:root {
  --primary: #7C3AED;
  --primary-dark: #5B21B6;
  --primary-light: #A78BFA;
  --primary-lighter: #EDE9FE;
  --secondary: #F59E0B;
  --secondary-dark: #D97706;
  --secondary-light: #FCD34D;
  --success: #10B981;
  --success-light: #D1FAE5;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --info: #3B82F6;
  --info-light: #DBEAFE;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --dark: #1E1B4B;
  --darker: #0F0A2E;
  --white: #FFFFFF;
  --body-bg: #FAFBFC;
  --card-bg: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;

  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 24px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.04);
  --shadow-2xl: 0 32px 64px rgba(0,0,0,0.12);
  --shadow-primary: 0 4px 14px rgba(124,58,237,0.3);

  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--body-bg);
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
}

::selection { background: var(--primary); color: #fff; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; padding: 0; margin: 0; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}
h1 { font-size: 3rem; letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

@media (max-width: 767px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  .navbar-logo { height: 42px; }
  .brand-text { font-size: 1rem; letter-spacing: 0.5px; }
  .footer-logo { height: 26px; }
  .auth-logo { height: 32px; }
  .auth-hero-logo { height: 48px; }
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Section Common ===== */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  background: var(--primary-lighter);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.section-header h2 { font-weight: 800; margin-bottom: 0.75rem; }
.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Navbar ===== */
.navbar {
  background: var(--darker);
  padding: 0;
  transition: var(--transition-slow);
  min-height: 64px;
}
.navbar.navbar-scrolled {
  background: rgba(15, 10, 46, 0.97);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.navbar-spacer {
  display: block;
  width: 100%;
  height: 64px;
}
.navbar .container { display: flex; align-items: center; height: 64px; }
.navbar .navbar-brand {
  font-weight: 800;
  font-size: 1.35rem;
  color: #fff;
  display: flex; align-items: center;
  letter-spacing: -0.5px;
  gap: 10px;
}
.navbar .navbar-brand i { color: var(--secondary); font-size: 1.4rem; margin-right: 8px; }
.navbar .navbar-brand span { color: var(--secondary); }
.navbar .navbar-brand span{ padding: 0;}
.navbar-logo {
  height: 60px;
  width: 80px;
  display: block;
  flex-shrink: 0;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}
.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
}
.navbar .navbar-nav { gap: 2px; }
.navbar .nav-link {
  color: rgba(255,255,255,0.75) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius);
  transition: var(--transition);
}
.navbar .nav-link:hover,
.navbar .nav-link.active { color: #fff !important; background: rgba(255,255,255,0.08); }
.navbar .nav-link.dropdown-toggle::after { display: none; }

.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-search-toggle {
  background: none; border: none; color: rgba(255,255,255,0.7);
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  font-size: 1rem;
}
.nav-search-toggle:hover { background: rgba(255,255,255,0.1); color: #fff; }

.btn-login {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-login:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn-signup {
  background: var(--primary);
  color: #fff;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-signup:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }

.notif-indicator {
  position: relative;
  background: none; border: none; color: rgba(255,255,255,0.7);
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  font-size: 1.1rem;
}
.notif-indicator:hover { background: rgba(255,255,255,0.1); color: #fff; }
.notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--darker);
}

/* Mega Menu */
.dropdown-mega { position: static; }
.mega-menu {
  background: #fff;
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  padding: 1.5rem;
  margin-top: 0.5rem;
  min-width: 680px;
  border: 1px solid var(--gray-100);
  animation: megaFadeIn 0.25s ease;
}
@keyframes megaFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 992px) {
  .dropdown-mega .mega-menu {
    display: block !important;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    animation: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    margin-top: 0;
    transform: translateY(8px);
  }
  .dropdown-mega.show .mega-menu,
  .dropdown-mega .mega-menu:hover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
  .dropdown-mega.show .dropdown-arrow {
    transform: rotate(180deg);
  }
  /* Hover bridge - invisible area connecting nav link to dropdown */
  .dropdown-mega .mega-menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
  }
}
.mega-menu-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-100);
}
.mega-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  transition: var(--transition);
  font-weight: 500;
  font-size: 0.875rem;
}
.mega-menu-item i {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-50);
  border-radius: var(--radius);
  color: var(--primary);
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.mega-menu-item:hover {
  background: var(--primary-lighter);
  color: var(--primary);
}
.mega-menu-item:hover i { background: #fff; }

/* User Dropdown */
.user-dropdown .dropdown-toggle {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  border-radius: var(--radius-full);
  padding: 0.3rem 0.8rem 0.3rem 0.3rem;
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.user-dropdown .dropdown-toggle:hover { background: rgba(255,255,255,0.15); }
.user-dropdown .dropdown-toggle::after { display: none; }
.user-dropdown .avatar-xs {
  width: 28px; height: 28px;
  border-radius: 50%;
  object-fit: cover;
}
.user-dropdown .dropdown-menu {
  margin-top: 8px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  min-width: 200px;
}
.user-dropdown .dropdown-item {
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: flex; align-items: center; gap: 10px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.user-dropdown .dropdown-item:hover { background: var(--gray-50); color: var(--primary); }
.user-dropdown .dropdown-item i { width: 18px; text-align: center; }

/* Mobile Nav */
.navbar-toggler {
  border: none; padding: 0;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 1.3rem;
  position: relative;
  z-index: 10000;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler:hover { color: #fff; }

@media (max-width: 991px) {
  .navbar-logo { height: 42px; }
  .brand-text { font-size: 1.1rem; letter-spacing: 0.5px; }
  .footer-logo { height: 30px; }
  .sidebar-logo { height: 28px; }
  .admin-logo { height: 28px; }
  .auth-logo { height: 38px; }
  .auth-hero-logo { height: 60px; }
  .mobile-nav-close {
    position: absolute; top: 1rem; right: 1rem;
    background: none; border: none; color: #fff; font-size: 1.5rem;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10001;
  }
  .mobile-nav-close:hover { background: rgba(255,255,255,0.1); }
  .mega-menu { min-width: auto; box-shadow: none; border: none; padding: 0.5rem 0; }
  .mega-menu .container { padding: 0; }
  #mainNavbar .nav-actions { display: none; }
  .mobile-nav-actions { display: flex; gap: 10px; margin-top: 1.5rem; }
  .mobile-nav-actions .btn { flex: 1; text-align: center; }
  .navbar .navbar-toggler { display: flex; }
}

@media (min-width: 992px) {
  .mobile-nav-close, .mobile-nav-actions { display: none; }
}

/* ===== Buttons ===== */
.btn {
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius);
  transition: var(--transition);
  font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 8px;
  justify-content: center;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background: transparent;
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}
.btn-secondary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: #fff;
  transform: translateY(-1px);
}
.btn-light {
  background: #fff;
  border-color: #fff;
  color: var(--dark);
}
.btn-light:hover {
  background: var(--gray-50);
  transform: translateY(-1px);
}
.btn-outline-light {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #059669; border-color: #059669; color: #fff; transform: translateY(-1px); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #DC2626; border-color: #DC2626; color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--gray-100); color: var(--text-primary); }
.btn-lg { padding: 0.7rem 2rem; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.35rem 1rem; font-size: 0.8rem; }
.btn-xs { padding: 0.25rem 0.7rem; font-size: 0.75rem; }
.btn-pill { border-radius: var(--radius-full); }
.btn-icon { width: 40px; height: 40px; padding: 0; display: flex; align-items: center; justify-content: center; border-radius: var(--radius); }
.btn-icon.btn-sm { width: 32px; height: 32px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 40%, var(--primary-dark) 100%);
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
  min-height: 88vh;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(167,139,250,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245,158,11,0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(124,58,237,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 1.5rem;
}
.hero-badge i { color: var(--secondary); font-size: 0.7rem; }
.hero h1 { font-size: 3.5rem; font-weight: 800; color: #fff; line-height: 1.1; letter-spacing: -0.02em; }
.hero h1 .highlight { color: var(--secondary); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.65); max-width: 520px; line-height: 1.7; }
.hero-search {
  background: #fff;
  border-radius: var(--radius-full);
  padding: 4px;
  max-width: 520px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  display: flex;
}
.hero-search .form-control {
  border: none;
  padding: 0.9rem 1.5rem;
  font-size: 0.95rem;
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  background: transparent;
}
.hero-search .form-control:focus { box-shadow: none; }
.hero-search .btn {
  border-radius: var(--radius-full);
  padding: 0.7rem 1.5rem;
  margin: 2px;
}
.hero-stats { display: flex; gap: 2.5rem; margin-top: 2rem; }
.hero-stat h3 { color: #fff; font-weight: 800; margin: 0; font-size: 1.8rem; letter-spacing: -0.02em; }
.hero-stat p { color: rgba(255,255,255,0.5); margin: 0; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }
.hero-visual { position: relative; }
.hero-visual .main-image {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
}
.hero-floating-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  animation: float 3s ease-in-out infinite;
}
.hero-floating-card i { font-size: 1.1rem; }
.hero-floating-card.card-1 { top: 8%; right: -8%; animation-delay: 0s; }
.hero-floating-card.card-2 { bottom: 12%; left: -10%; animation-delay: 1.5s; }
.hero-floating-card.card-3 { top: 50%; right: -12%; animation-delay: 0.8s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== Course Cards ===== */
.course-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-slow);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.course-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-3px);
}
.course-card .card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--gray-100);
}
.course-card .card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.course-card:hover .card-image img { transform: scale(1.06); }
.course-card .card-badge {
  position: absolute; top: 10px; left: 10px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.course-card .card-badge.beginner { background: #D1FAE5; color: #065F46; }
.course-card .card-badge.intermediate { background: #FEF3C7; color: #92400E; }
.course-card .card-badge.advanced { background: #FEE2E2; color: #991B1B; }
.course-card .card-badge.all { background: #DBEAFE; color: #1E40AF; }
.course-card .card-wishlist {
  position: absolute; top: 10px; right: 10px;
  background: #fff; border: none;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  font-size: 0.85rem;
  z-index: 2;
}
.course-card .card-wishlist:hover { color: var(--danger); background: var(--danger-light); }
.course-card .card-wishlist.active { color: var(--danger); background: var(--danger-light); }
.course-card .card-wishlist.active i { font-weight: 900; }
.course-card .card-body { padding: 1rem 1.25rem; flex: 1; }
.course-card .card-meta-top {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 0.4rem;
}
.course-card .card-category {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--primary-lighter);
  padding: 2px 8px;
  border-radius: 3px;
}
.course-card .card-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.4rem;
}
.course-card .card-title a { color: var(--text-primary); }
.course-card .card-title a:hover { color: var(--primary); }
.course-card .card-instructor {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.course-card .card-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}
.course-card .card-rating .stars { color: var(--secondary); font-size: 0.75rem; letter-spacing: 1px; }
.course-card .card-rating .rating-num { font-weight: 700; color: var(--text-primary); }
.course-card .card-rating .rating-count { color: var(--text-muted); }
.course-card .card-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.course-card .card-price { font-size: 1.1rem; font-weight: 800; color: var(--text-primary); }
.course-card .card-price .original {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 6px;
}
.course-card .card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.course-card .card-meta i { margin-right: 4px; font-size: 0.75rem; }

/* ===== Category Cards ===== */
.category-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
}
.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.category-card .icon {
  width: 56px; height: 56px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.3rem;
  color: var(--primary);
  transition: var(--transition);
}
.category-card:hover .icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.category-card h5 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.3rem; }
.category-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* ===== Instructor Cards ===== */
.instructor-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition-slow);
  height: 100%;
}
.instructor-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.instructor-card .avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--border-light);
  transition: var(--transition);
}
.instructor-card:hover .avatar { border-color: var(--primary-light); }
.instructor-card h5 { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
.instructor-card .title { font-size: 0.85rem; color: var(--primary); font-weight: 500; }
.instructor-card .stats {
  display: flex; justify-content: center; gap: 1.5rem;
  margin: 1rem 0; font-size: 0.8rem; color: var(--text-muted);
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-slow);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-card .quote-icon {
  font-size: 1.5rem;
  color: var(--primary);
  opacity: 0.2;
  margin-bottom: 0.75rem;
}
.testimonial-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.testimonial-card .stars { color: var(--secondary); font-size: 0.85rem; letter-spacing: 2px; }
.testimonial-card .author {
  display: flex; align-items: center; gap: 12px;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}
.testimonial-card .author img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial-card .author h6 { margin: 0; font-size: 0.9rem; font-weight: 600; }
.testimonial-card .author span { font-size: 0.8rem; color: var(--text-muted); }

/* ===== Stats Section ===== */
.stats-section {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
  padding: 4rem 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(167,139,250,0.06) 0%, transparent 50%);
}
.stat-item { text-align: center; position: relative; }
.stat-item .number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-item .label { font-size: 0.85rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; }

/* ===== Features List ===== */
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 1rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.feature-item:hover { background: var(--gray-50); }
.feature-item .icon-box {
  width: 44px; height: 44px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== Process Steps ===== */
.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}
.process-step::after {
  content: '';
  position: absolute; top: 2.5rem; right: -1rem;
  width: 2rem; height: 2px;
  background: linear-gradient(90deg, var(--primary-light), transparent);
}
@media (max-width: 991px) { .process-step::after { display: none; } }
.process-step:last-child::after { display: none; }
.process-step .step-num {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto 1rem;
  transition: var(--transition-bounce);
}
.process-step:hover .step-num { transform: scale(1.1); }
.process-step h5 { font-weight: 700; margin-bottom: 0.4rem; }
.process-step p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 4.5rem 0;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.cta-section h2 { font-weight: 800; position: relative; }
.cta-section p { opacity: 0.9; max-width: 560px; margin: 0 auto 1.5rem; position: relative; }

/* ===== Accordion / FAQ ===== */
.accordion-item {
  border: 1px solid var(--border);
  margin-bottom: 8px;
  border-radius: var(--radius-lg) !important;
  overflow: hidden;
}
.accordion-button {
  font-weight: 600;
  color: var(--text-primary);
  padding: 1.1rem 1.3rem;
  background: #fff;
  font-size: 0.95rem;
}
.accordion-button:not(.collapsed) {
  background: var(--primary-lighter);
  color: var(--primary);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: none; border-color: var(--border); }
.accordion-body { padding: 1rem 1.3rem 1.3rem; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ===== Newsletter ===== */
.newsletter-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 4rem 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.newsletter-section::before {
  content: '';
  position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}
.newsletter-form { max-width: 480px; margin: 0 auto; position: relative; }
.newsletter-form .input-group {
  background: #fff;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  padding: 4px;
}
.newsletter-form .form-control {
  border: none;
  padding: 0.9rem 1.5rem;
  font-size: 0.95rem;
  background: transparent;
}
.newsletter-form .form-control:focus { box-shadow: none; }
.newsletter-form .btn {
  border-radius: var(--radius-full);
  padding: 0.7rem 1.8rem;
  background: var(--dark);
  border-color: var(--dark);
  font-weight: 700;
  margin: 2px;
}
.newsletter-form .btn:hover { background: #000; }

/* ===== Footer ===== */
.site-footer {
  background: var(--darker);
  color: rgba(255,255,255,0.7);
}
.footer-main { padding: 4rem 0 2rem; }
.footer-brand a {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  display: flex; align-items: center; gap: 8px;
}
.footer-brand a i { color: var(--secondary); }
.footer-brand a span { color: var(--secondary); }
.footer-logo { height: 32px; width: auto; display: block; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-top: 1rem; }
.footer-title {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.25rem;
}
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
}
.footer-links a:hover { color: var(--secondary); transform: translateX(4px); }
.footer-contact li {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 0.75rem;
  font-size: 0.88rem;
}
.footer-contact i { color: var(--secondary); width: 18px; font-size: 0.9rem; }
.social-links { display: flex; gap: 8px; }
.social-link {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  transition: var(--transition-bounce);
  font-size: 0.9rem;
}
.social-link:hover {
  background: var(--secondary);
  color: #fff;
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 1.2rem 0;
  font-size: 0.85rem;
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
  margin-left: 1.5rem;
  font-size: 0.85rem;
}
.footer-bottom a:hover { color: var(--secondary); }

/* ===== Scroll to Top ===== */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px;
  width: 42px; height: 42px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 99;
  opacity: 0; visibility: hidden;
  transition: var(--transition-slow);
  border: none; cursor: pointer;
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--primary-dark); color: #fff; transform: translateY(-3px); }

/* ===== Page Header ===== */
.page-header {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--primary-dark) 100%);
  padding: 5.5rem 0 3.5rem;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 20%, rgba(167,139,250,0.08) 0%, transparent 50%);
}
.page-header .container { position: relative; }
.page-header h1 { font-weight: 800; font-size: 2.5rem; color: #fff; }
.page-header p { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 500px; margin: 0 auto; }
.breadcrumb { justify-content: center; background: transparent; margin: 0 0 1rem; }
.breadcrumb-item, .breadcrumb-item a { color: rgba(255,255,255,0.55); font-size: 0.85rem; }
.breadcrumb-item.active { color: var(--secondary); }
.breadcrumb-item+.breadcrumb-item::before { color: rgba(255,255,255,0.3); }

/* ===== Auth Pages ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  background: var(--body-bg);
}
.auth-left {
  flex: 1;
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
  display: none;
  align-items: center; justify-content: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.auth-left::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(167,139,250,0.06) 0%, transparent 50%);
}
.auth-left-content { text-align: center; color: #fff; position: relative; max-width: 400px; }
.auth-left-content h2 { font-weight: 800; color: #fff; margin-bottom: 1rem; }
.auth-left-content p { color: rgba(255,255,255,0.6); line-height: 1.7; }
.auth-left-content .auth-stat {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
}
.auth-right {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
}
.auth-card {
  width: 100%; max-width: 420px;
  background: #fff;
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.auth-card .logo { text-align: center; margin-bottom: 1.5rem; }
.auth-card .logo a {
  font-size: 1.5rem; font-weight: 800; color: var(--dark);
  display: inline-flex; align-items: center; gap: 8px;
}
.auth-card .logo a i { color: var(--secondary); }
.auth-card .logo a span { color: var(--secondary); }
.auth-logo { height: 40px; width: auto; display: block; margin: 0 auto; }
.auth-hero-logo { height: 64px; width: auto; display: block; margin: 0 auto 1rem; }
.auth-card .auth-title { text-align: center; font-weight: 700; margin-bottom: 0.3rem; }
.auth-card .auth-subtitle { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.auth-card .form-label { font-weight: 600; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.auth-card .form-control {
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: var(--transition);
}
.auth-card .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.auth-card .form-control.is-invalid { border-color: var(--danger); background-image: none; }
.auth-card .input-group .form-control { border-radius: var(--radius) 0 0 var(--radius); }
.auth-card .input-group .btn { border-radius: 0 var(--radius) var(--radius) 0; }
.auth-card .form-check-label { font-size: 0.88rem; color: var(--text-secondary); }
.auth-footer { text-align: center; font-size: 0.9rem; color: var(--text-muted); }
.auth-footer a { font-weight: 600; }

@media (min-width: 992px) { .auth-left { display: flex; } }

/* ===== Filter Sidebar ===== */
.filter-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.filter-card .filter-header {
  background: var(--gray-50);
  font-weight: 700;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.filter-card .filter-body { padding: 1rem 1.2rem; }
.filter-card .filter-body .form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.filter-card .form-check-label { font-size: 0.88rem; color: var(--text-secondary); }
.filter-card .form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }
.filter-card .form-check-input:focus { box-shadow: 0 0 0 2px rgba(124,58,237,0.15); }
.filter-card .form-check-input:not(:checked):hover { border-color: var(--primary); }
.filter-card .form-check-label:hover { color: var(--text-primary); }

/* ===== Course Detail ===== */
.course-hero {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--primary-dark) 100%);
  padding: 4rem 0 3rem;
  color: #fff;
}
.course-hero h1 { font-weight: 800; color: #fff; margin-bottom: 0.75rem; }
.course-hero .meta { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; }
.course-hero .meta-item { font-size: 0.85rem; color: rgba(255,255,255,0.65); display: flex; align-items: center; gap: 6px; }
.course-hero .meta-item i { width: 16px; }
.course-hero .instructor-summary {
  display: flex; align-items: center; gap: 12px;
  margin-top: 1.5rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.course-hero .instructor-summary img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(255,255,255,0.2); }
.sidebar-card {
  background: #fff;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: sticky;
  top: 84px;
}
.sidebar-card .card-img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.sidebar-card .card-body { padding: 1.75rem; }
.sidebar-card .price { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); }
.sidebar-card .price .original { font-size: 1rem; color: var(--text-muted); text-decoration: line-through; font-weight: 400; }
.content-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}
.content-card:hover {
  box-shadow: var(--shadow-md);
}
.content-card .card-body { padding: 1.75rem; }
.content-card .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 1rem; }

/* Curriculum */
.lesson-list .lesson-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.88rem;
  transition: var(--transition);
  cursor: pointer;
}
.lesson-list .lesson-item:last-child { border-bottom: none; }
.lesson-list .lesson-item:hover { background: var(--gray-50); }
.lesson-list .lesson-item i { color: var(--primary); margin-right: 10px; }
.lesson-list .lesson-item .duration { color: var(--text-muted); font-size: 0.82rem; }

/* ===== Dashboard ===== */
.dashboard-wrapper { display: flex; min-height: 100vh; }
.dashboard-sidebar {
  width: 250px;
  background: var(--darker);
  color: #fff;
  position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transition: var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.dashboard-sidebar .sidebar-header {
  padding: 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.dashboard-sidebar .sidebar-header a {
  color: #fff; font-weight: 800;
  display: flex; align-items: center; gap: 8px;
}
.dashboard-sidebar .sidebar-header a i { color: var(--secondary); }
.dashboard-sidebar .sidebar-header a span { color: var(--secondary); }
.sidebar-logo { height: 30px; width: auto; display: block; }
.dashboard-sidebar .sidebar-user {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 10px;
}
.dashboard-sidebar .sidebar-user img {
  width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
}
.dashboard-sidebar .sidebar-user h6 { color: #fff; font-size: 0.85rem; margin: 0; }
.dashboard-sidebar .sidebar-user span { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.dashboard-sidebar .nav { flex: 1; padding: 0.5rem 0; }
.dashboard-sidebar .nav-link {
  color: rgba(255,255,255,0.55);
  padding: 0.7rem 1.2rem;
  display: flex; align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.dashboard-sidebar .nav-link:hover,
.dashboard-sidebar .nav-link.active {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-left-color: var(--secondary);
  transform: translateX(2px);
}
.dashboard-sidebar .nav-link i { width: 18px; text-align: center; font-size: 0.95rem; }
.dashboard-sidebar .sidebar-footer { padding: 0.8rem 1.2rem; border-top: 1px solid rgba(255,255,255,0.06); }
.dashboard-main {
  margin-left: 250px;
  flex: 1;
  background: var(--body-bg);
  min-height: 100vh;
}
.dashboard-topbar {
  background: #fff;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
  position: sticky; top: 0; z-index: 100;
}
.dashboard-content { padding: 1.5rem; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}
.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}
.stat-card .icon-box {
  width: 48px; height: 48px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.stat-card h3 { margin: 0; font-weight: 800; font-size: 1.4rem; letter-spacing: -0.02em; }
.stat-card p { margin: 0; font-size: 0.82rem; color: var(--text-muted); }

/* ===== Video Player ===== */
.video-wrapper { background: #000; position: relative; display: flex; }
.video-wrapper video { width: 100%; max-height: 75vh; object-fit: contain; }
.video-sidebar {
  width: 340px;
  background: #fff;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  max-height: 100vh;
}
.video-sidebar .sidebar-title {
  padding: 1rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.video-sidebar .lesson-scroll {
  flex: 1;
  overflow-y: auto;
}
.video-sidebar .lesson-item {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}
.video-sidebar .lesson-item:hover,
.video-sidebar .lesson-item.active {
  background: var(--gray-50);
  color: var(--primary);
}
.video-sidebar .lesson-item.active { border-left: 3px solid var(--primary); }
.video-sidebar .lesson-item i { font-size: 0.75rem; color: var(--text-muted); }
.video-sidebar .lesson-item.active i,
.video-sidebar .lesson-item.completed i { color: var(--success); }
.video-sidebar .lesson-item .lesson-duration { margin-left: auto; font-size: 0.75rem; color: var(--text-muted); }

/* ===== Tabs ===== */
.nav-tabs { border-bottom: 1px solid var(--border); }
.nav-tabs .nav-link {
  color: var(--text-secondary);
  font-weight: 600;
  border: none;
  padding: 0.8rem 1.2rem;
  margin-bottom: -1px;
  font-size: 0.88rem;
  transition: var(--transition);
}
.nav-tabs .nav-link:hover { color: var(--primary); }
.nav-tabs .nav-link.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  background: transparent;
}

/* ===== Partners ===== */
.partner-logo {
  padding: 1rem;
  text-align: center;
  opacity: 0.4;
  transition: var(--transition);
  filter: grayscale(100%);
}
.partner-logo:hover { opacity: 1; filter: grayscale(0); }
.partner-logo img { max-height: 44px; margin: 0 auto; }

/* ===== Pagination ===== */
.pagination-custom { display: flex; align-items: center; gap: 4px; justify-content: center; }
.pagination-custom a,
.pagination-custom span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px;
  padding: 0 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.pagination-custom a:hover { background: var(--gray-50); border-color: var(--primary); color: var(--primary); }
.pagination-custom .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Alerts ===== */
.alert { border-radius: var(--radius-lg); border: none; padding: 1rem 1.25rem; font-size: 0.9rem; }
.alert-success { background: var(--success-light); color: #065F46; }
.alert-danger { background: var(--danger-light); color: #991B1B; }
.alert-info { background: var(--info-light); color: #1E40AF; }
.alert-warning { background: var(--warning-light); color: #92400E; }

/* ===== Badges ===== */
.badge { font-weight: 600; font-size: 0.72rem; padding: 0.25rem 0.65rem; border-radius: var(--radius-full); }
.badge-primary { background: var(--primary-lighter); color: var(--primary); }
.badge-success { background: var(--success-light); color: #065F46; }
.badge-danger { background: var(--danger-light); color: #991B1B; }
.badge-warning { background: var(--warning-light); color: #92400E; }

/* ===== Progress ===== */
.progress-track {
  height: 6px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-track .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

/* ===== Modals ===== */
.modal-content { border: none; border-radius: var(--radius-xl); box-shadow: var(--shadow-2xl); }
.modal-header { border-bottom: 1px solid var(--border-light); padding: 1.25rem 1.5rem; }
.modal-body { padding: 1.5rem; }
.modal-footer { border-top: 1px solid var(--border-light); padding: 1rem 1.5rem; }

/* ===== Tables ===== */
.table-custom { width: 100%; border-collapse: separate; border-spacing: 0; }
.table-custom th {
  padding: 0.8rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: var(--gray-50);
  border-bottom: 1px solid var(--border);
}
.table-custom td {
  padding: 0.8rem 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
.table-custom tr:hover td { background: var(--gray-50); }

/* ===== Empty States ===== */
.empty-state { text-align: center; padding: 3rem 1rem; }
.empty-state .icon {
  width: 72px; height: 72px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.8rem;
  color: var(--text-muted);
}
.empty-state h5 { margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }

/* ===== Tabs ===== */
.section-tabs { display: flex; gap: 4px; background: var(--gray-100); padding: 4px; border-radius: var(--radius-lg); }
.section-tabs .tab-btn {
  padding: 0.5rem 1.2rem;
  border: none;
  background: transparent;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.section-tabs .tab-btn.active { background: #fff; color: var(--text-primary); box-shadow: var(--shadow-sm); }
.section-tabs .tab-btn:hover:not(.active) { color: var(--text-primary); }

/* ===== Animations ===== */
/* No-JS fallback: keep content visible if JavaScript is unavailable */
html.no-js .fade-in,
html.no-js .fade-in-left,
html.no-js .fade-in-right,
html.no-js .fade-in-down,
html.no-js .fade-in-scale,
html.no-js .zoom-in,
html.no-js .slide-up,
html.no-js .stagger-children > *,
html.no-js .alt-slide > *,
html.no-js .trending-carousel,
html.no-js .trending-carousel .owl-item {
  opacity: 1 !important;
  transform: none !important;
}
.fade-in,
.fade-in-left,
.fade-in-right,
.fade-in-down,
.fade-in-scale,
.zoom-in,
.slide-up,
.stagger-children > * {
  will-change: transform, opacity;
  backface-visibility: hidden;
}
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }
.fade-in-down { opacity: 0; transform: translateY(-20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-down.visible { opacity: 1; transform: translateY(0); }
.fade-in-scale { opacity: 0; transform: scale(0.95); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in-scale.visible { opacity: 1; transform: scale(1); }
.zoom-in { opacity: 0; transform: scale(0.9); transition: opacity 0.6s ease, transform 0.6s ease; }
.zoom-in.visible { opacity: 1; transform: scale(1); }
.slide-up { opacity: 0; transform: translateY(40px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.slide-up.visible { opacity: 1; transform: translateY(0); }
.stagger-children > * { opacity: 0; transform: translateY(15px); transition: opacity 0.5s ease, transform 0.5s ease; }
.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.16s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.24s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.32s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.48s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.56s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.64s; }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.72s; }
.stagger-children.visible > * { opacity: 1; transform: translateY(0); }

/* Alternating left/right slide-in for category & course grids */
/* Odd cards slide in from the left, even cards from the right */
/* Each card is observed individually and settles to its fixed grid position */
.alt-slide > * {
  opacity: 0;
  backface-visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.alt-slide > *:nth-child(odd):not(.in-view) { transform: translateX(-40px); }
.alt-slide > *:nth-child(even):not(.in-view) { transform: translateX(40px); }
.alt-slide > *.in-view {
  opacity: 1;
  transform: translateX(0);
}
/* Compact per-row cascade so cards settle one after another */
.alt-slide > *.in-view:nth-child(1) { transition-delay: 0s; }
.alt-slide > *.in-view:nth-child(2) { transition-delay: 0.06s; }
.alt-slide > *.in-view:nth-child(3) { transition-delay: 0.12s; }
.alt-slide > *.in-view:nth-child(4) { transition-delay: 0.18s; }
.alt-slide > *.in-view:nth-child(5) { transition-delay: 0.24s; }
.alt-slide > *.in-view:nth-child(6) { transition-delay: 0.3s; }
.alt-slide > *.in-view:nth-child(n+7) { transition-delay: 0.3s; }

/* Smaller slide distance on phones for a subtle, elegant feel.
   :not(.in-view) guarantees the settled state always wins, so every card
   permanently returns to its original centered grid position after animating. */
@media (max-width: 767px) {
  .alt-slide > *:nth-child(odd):not(.in-view) { transform: translateX(-24px); }
  .alt-slide > *:nth-child(even):not(.in-view) { transform: translateX(24px); }
}

/* Trending courses carousel entrance.
   The container is a visibility gate (opacity only, no transform/transition) so
   nothing can flash before Owl Carousel wraps the cards; the owl-item wrappers
   then rise and cascade into view once the section scrolls into view (.visible).
   Animating the wrapper (not .course-card) keeps the card's own hover lift intact. */
.trending-carousel { opacity: 0; }
.trending-carousel .owl-item {
  opacity: 0;
  transform: translateY(28px);
  will-change: transform, opacity;
  backface-visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.trending-carousel.visible { opacity: 1; }
.trending-carousel.visible .owl-item {
  opacity: 1;
  transform: translateY(0);
}
.trending-carousel.visible .owl-item:nth-child(1) { transition-delay: 0.05s; }
.trending-carousel.visible .owl-item:nth-child(2) { transition-delay: 0.12s; }
.trending-carousel.visible .owl-item:nth-child(3) { transition-delay: 0.19s; }
.trending-carousel.visible .owl-item:nth-child(4) { transition-delay: 0.26s; }
.trending-carousel.visible .owl-item:nth-child(5) { transition-delay: 0.33s; }
.trending-carousel.visible .owl-item:nth-child(n+6) { transition-delay: 0.4s; }
/* Smaller rise distance on phones; :not-based state keeps the settled (0) state winning */
@media (max-width: 767px) {
  .trending-carousel .owl-item { transform: translateY(20px); }
  .trending-carousel.visible .owl-item { transform: translateY(0); }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .fade-in-left,
  .fade-in-right,
  .fade-in-down,
  .fade-in-scale,
  .zoom-in,
  .slide-up,
  .stagger-children > *,
  .alt-slide > *,
  .trending-carousel,
  .trending-carousel .owl-item {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ===== Utilities ===== */
.text-primary { color: var(--primary) !important; }
.bg-primary-light { background-color: var(--primary-lighter) !important; }
.bg-success-light { background-color: var(--success-light) !important; }
.bg-danger-light { background-color: var(--danger-light) !important; }
.bg-warning-light { background-color: var(--warning-light) !important; }
.bg-info-light { background-color: var(--info-light) !important; }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-hover { transition: var(--transition-slow); }
.shadow-hover:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.lh-1 { line-height: 1; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .hero h1 { font-size: 2.8rem; }
  .hero-floating-card.card-1 { right: -4%; }
  .hero-floating-card.card-2 { left: -6%; }
  .hero-floating-card.card-3 { display: none; }
}

@media (max-width: 991.98px) {
  .hero { min-height: auto; padding: 5rem 0 3rem; text-align: center; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { margin: 0 auto; }
  .hero-search { margin: 0 auto; justify-content: center; }
  .hero-stats { justify-content: center; flex-wrap: wrap; gap: 1.5rem; }
  .hero-visual { margin-top: 2rem; }
  .hero-floating-card { display: none; }
  .section { padding: 3.5rem 0; }
  .page-header { padding: 4rem 0 2.5rem; }
  .page-header h1 { font-size: 1.8rem; }
  .dashboard-sidebar { transform: translateX(-100%); width: 280px; }
  .dashboard-sidebar.show { transform: translateX(0); }
  .dashboard-main { margin-left: 0; }
  .video-sidebar { display: none; }
  .video-sidebar.show-mobile { display: flex; position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 1000; }
}

@media (max-width: 767.98px) {
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.95rem; }
  .hero-stats { gap: 1rem; }
  .hero-stat h3 { font-size: 1.3rem; }
  .hero-stat p { font-size: 0.72rem; }
  .hero-search { flex-direction: column; border-radius: var(--radius-lg); padding: 8px; }
  .hero-search .form-control { border-radius: var(--radius); }
  .hero-search .btn { border-radius: var(--radius); margin: 0; }
  .stats-section .stat-item { margin-bottom: 1.5rem; }
  .section-header p { font-size: 0.95rem; }
  .auth-card { padding: 1.5rem; }
  .course-hero { padding: 3rem 0 2rem; }
  .sidebar-card { position: static !important; }
  .dashboard-content { padding: 1rem; }
  .footer-main { padding: 2.5rem 0 1.5rem; }
}

@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .hero-search .form-control { padding: 0.6rem 1rem; }
  .hero-search .btn { padding: 0.6rem 1.2rem; font-size: 0.85rem; }
  .stat-card { padding: 1rem; }
  .stat-card .icon-box { width: 40px; height: 40px; font-size: 1rem; }
  .content-card .card-body { padding: 1.25rem; }
  .view-all-cats-btn { padding: 0.65rem 1.75rem !important; font-size: 0.9rem !important; width: 100%; }
}

/* ===== Categories Page ===== */
.categories-hero {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--primary-dark) 100%);
  padding: 5.5rem 0 3.5rem;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.categories-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 20%, rgba(167,139,250,0.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(245,158,11,0.05) 0%, transparent 50%);
}
.categories-hero .container { position: relative; }
.categories-hero h1 { font-weight: 800; font-size: 2.5rem; color: #fff; margin-bottom: 0.75rem; }
.categories-hero p { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 560px; margin: 0 auto 1.5rem; }
.categories-hero .hero-count {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
}
.categories-hero .hero-count i { color: var(--secondary); }

/* Category Card (Large - for categories page) */
.cat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}
.cat-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  transform: translateY(-4px);
}
.cat-card .cat-icon {
  width: 64px; height: 64px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.cat-card:hover .cat-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05) rotate(-3deg);
}
.cat-card h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.cat-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
  flex: 1;
}
.cat-card .cat-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-light);
}
.cat-card .cat-count {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}
.cat-card .cat-count i { margin-right: 5px; color: var(--primary); }
.cat-card .cat-btn {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
}
.cat-card .cat-btn i { font-size: 0.7rem; transition: var(--transition); }
.cat-card:hover .cat-btn i { transform: translateX(3px); }

/* Category Card (Small - for homepage) */
.cat-card-sm {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
  cursor: pointer;
}
.cat-card-sm:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-3px);
}
.cat-card-sm .cat-icon-sm {
  width: 52px; height: 52px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.85rem;
  font-size: 1.2rem;
  color: var(--primary);
  transition: var(--transition);
}
.cat-card-sm:hover .cat-icon-sm {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.cat-card-sm h6 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.cat-card-sm .cat-count-sm {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}
.cat-card-all {
  border-style: dashed !important;
  border-color: var(--gray-300) !important;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.cat-card-all:hover {
  border-color: var(--primary) !important;
  background: var(--primary-lighter);
}

/* Category Showcase Card (featured categories) */
.cat-showcase {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: var(--transition-slow);
  height: 100%;
}
.cat-showcase:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.cat-showcase .showcase-top {
  padding: 1.5rem 1.5rem 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.cat-showcase .showcase-icon {
  width: 56px; height: 56px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  flex-shrink: 0;
}
.cat-showcase .showcase-content { flex: 1; }
.cat-showcase .showcase-content h5 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.cat-showcase .showcase-content p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; margin: 0; }
.cat-showcase .showcase-body { padding: 0.5rem 1.5rem 1.25rem; }
.cat-showcase .showcase-body .topic-list { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-showcase .showcase-body .topic-tag {
  font-size: 0.72rem;
  padding: 0.2rem 0.7rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: var(--transition);
}
.cat-showcase .showcase-body .topic-tag:hover {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
}
.cat-showcase .showcase-footer {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cat-showcase .showcase-footer .count {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.cat-showcase .showcase-footer .count i { margin-right: 5px; color: var(--primary); }
.cat-showcase .showcase-footer .btn-showcase {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.cat-showcase .showcase-footer .btn-showcase i { font-size: 0.7rem; transition: var(--transition); }
.cat-showcase:hover .showcase-footer .btn-showcase i { transform: translateX(3px); }

/* ===== Mega Menu Enhanced ===== */
.mega-menu-enhanced {
  padding: 2rem;
  min-width: 760px;
}
.mega-menu-enhanced .mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.mega-menu-enhanced .mega-col-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem 0.3rem;
  margin-bottom: 2px;
}
.mega-menu-enhanced .mega-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  transition: var(--transition);
  font-weight: 500;
  font-size: 0.85rem;
}
.mega-menu-enhanced .mega-item i {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-50);
  border-radius: var(--radius);
  color: var(--primary);
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.mega-menu-enhanced .mega-item:hover {
  background: var(--primary-lighter);
  color: var(--primary);
}
.mega-menu-enhanced .mega-item:hover i { background: #fff; }
.mega-menu-enhanced .mega-footer {
  border-top: 1px solid var(--border-light);
  margin-top: 1rem;
  padding-top: 1rem;
  text-align: center;
}
.mega-menu-enhanced .mega-footer a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.mega-menu-enhanced .mega-footer a:hover { gap: 10px; }

@media (max-width: 991px) {
  .mega-menu-enhanced { min-width: auto; padding: 0.75rem 0; }
  .mega-menu-enhanced .mega-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Category Detail Page Enhanced ===== */
.category-hero {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--primary-dark) 100%);
  padding: 5rem 0 3rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 20%, rgba(167,139,250,0.08) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(245,158,11,0.05) 0%, transparent 50%);
}
.category-hero .container { position: relative; }
.category-hero .hero-badge-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.category-hero .hero-badge-cat i {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: var(--secondary);
  font-size: 0.9rem;
}
.category-hero h1 {
  font-weight: 800;
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 0.75rem;
}
.category-hero .hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.category-hero .hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}
.category-hero .hero-stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.category-hero .hero-stat-item .stat-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--secondary);
}
.category-hero .hero-stat-item .stat-num {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.category-hero .hero-stat-item .stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Subcategory pills */
.subcat-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.subcat-pills .pill {
  padding: 0.4rem 1.1rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.subcat-pills .pill:hover,
.subcat-pills .pill.active {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
}

/* Learning Path Card */
.path-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: var(--transition-slow);
  height: 100%;
}
.path-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  transform: translateY(-3px);
}
.path-card .path-level {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.path-card .path-level.beginner { background: var(--success-light); color: #065F46; }
.path-card .path-level.intermediate { background: var(--warning-light); color: #92400E; }
.path-card .path-level.advanced { background: var(--danger-light); color: #991B1B; }
.path-card h6 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.path-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 0.75rem; }
.path-card .path-meta { font-size: 0.8rem; color: var(--text-muted); }
.path-card .path-meta i { margin-right: 4px; color: var(--primary); }

/* Trending topic tags */
.topic-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.topic-pills .topic-pill {
  padding: 0.35rem 1rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
}
.topic-pills .topic-pill:hover {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

/* Related Categories */
.related-cat-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.related-cat-pills .related-pill {
  padding: 0.45rem 1.2rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
}
.related-cat-pills .related-pill i { color: var(--primary); font-size: 0.75rem; }
.related-cat-pills .related-pill:hover {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

/* Sort bar for category page */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.5rem;
}
.sort-bar .result-count {
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.sort-bar .result-count strong { color: var(--text-primary); }
.sort-bar .sort-options { display: flex; align-items: center; gap: 10px; }
.sort-bar .sort-options label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}
.sort-bar .sort-options select {
  padding: 0.35rem 2rem 0.35rem 0.75rem;
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text-secondary);
  min-width: 150px;
}

/* Category section description */
.section-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Filter toggle button (mobile) */
.filter-toggle-btn {
  display: none;
  padding: 0.5rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.filter-toggle-btn:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 991px) {
  .filter-toggle-btn { display: inline-flex; align-items: center; gap: 6px; }
  .filter-col { display: none; }
  .filter-col.show { display: block; }
}

/* ===== Career Opportunities ===== */
.career-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: var(--transition-slow);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
}
.career-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.career-card .career-icon {
  width: 48px; height: 48px;
  background: var(--success-light);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--success);
  flex-shrink: 0;
}
.career-card h6 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.15rem; }
.career-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* ===== Instructor Highlight ===== */
.instructor-row-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
}
.instructor-row-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.instructor-row-card img {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.instructor-row-card .info h6 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.1rem; }
.instructor-row-card .info span { font-size: 0.78rem; color: var(--text-muted); }
.instructor-row-card .info .courses-count { font-size: 0.78rem; color: var(--primary); font-weight: 500; }

/* ===== Feature Highlight ===== */
.feature-highlight {
  text-align: center;
  padding: 1.5rem 1rem;
}
.feature-highlight .fh-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.75rem;
  font-size: 1.3rem;
}
.feature-highlight h6 { font-size: 0.92rem; font-weight: 700; margin-bottom: 0.25rem; }
.feature-highlight p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* ===== Duration filter chips ===== */
.duration-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.duration-chips .chip {
  padding: 0.3rem 0.8rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.duration-chips .chip:hover,
.duration-chips .chip.active {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== Category Card with Description (homepage) ===== */
.cat-card-hp {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem;
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}
.cat-card-hp:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  transform: translateY(-4px);
}
.cat-card-hp .hp-icon {
  width: 56px; height: 56px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 1rem;
  transition: var(--transition);
}
.cat-card-hp:hover .hp-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05) rotate(-3deg);
}
.cat-card-hp h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.cat-card-hp p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0.75rem;
  flex: 1;
}
.cat-card-hp .hp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  margin-top: auto;
  border-top: 1px solid var(--border-light);
}
.cat-card-hp .hp-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.cat-card-hp .hp-count i { margin-right: 5px; color: var(--primary); }
.cat-card-hp .hp-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.cat-card-hp .hp-link i { font-size: 0.7rem; transition: var(--transition); }
.cat-card-hp:hover .hp-link i { transform: translateX(3px); }

/* ===== View All Categories Button ===== */
.view-all-cats-btn {
  border-radius: var(--radius-full);
  padding: 0.75rem 2.5rem;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.3px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(108, 60, 225, 0.3);
}
.view-all-cats-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(108, 60, 225, 0.45);
}
.view-all-cats-btn i {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
}
.view-all-cats-btn:hover i {
  transform: translateX(5px);
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.cta-banner * { position: relative; }
.cta-banner h3 { font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
.cta-banner p { opacity: 0.9; max-width: 560px; margin: 0 auto 1.5rem; font-size: 1rem; }

/* ===== Category Page Responsive ===== */
@media (max-width: 767px) {
  .categories-hero h1,
  .category-hero h1 { font-size: 1.6rem; }
  .categories-hero p,
  .category-hero .hero-desc { font-size: 0.92rem; }
  .category-hero .hero-stats-row { gap: 1rem; }
  .mega-menu-enhanced .mega-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { padding: 2rem 1.5rem; }
  .cat-card-hp { padding: 1.25rem; }
  .career-card { padding: 1rem; }
}

/* ===== Category Detail Premium Redesign ===== */
.cat-detail-hero {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 40%, var(--primary-dark) 100%);
  padding: 5rem 0 4rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cat-detail-hero-bg {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 40%, rgba(167,139,250,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(245,158,11,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.cat-detail-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}
.cat-detail-hero .breadcrumb { justify-content: flex-start; margin-bottom: 1.5rem; }
.cat-detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.cat-detail-badge i {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: var(--secondary);
  font-size: 0.9rem;
}
.cat-detail-title {
  font-weight: 800;
  font-size: 2.6rem;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.cat-detail-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.cat-detail-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.cat-detail-stat {
  display: flex;
  align-items: center;
  gap: 10px;
}
.cat-detail-stat-icon {
  width: 42px; height: 42px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--secondary);
}
.cat-detail-stat-num {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.cat-detail-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cat-detail-hero-visual {
  position: relative;
}
.cat-detail-hero-img {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.cat-detail-float-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-primary);
  animation: catFloat 3s ease-in-out infinite;
}
.cat-detail-float-card i { font-size: 1rem; }
.cat-detail-float-card.card-1 { top: 10%; right: -8%; animation-delay: 0s; }
.cat-detail-float-card.card-2 { bottom: 15%; left: -8%; animation-delay: 1.5s; }
@keyframes catFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.cat-detail-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.cat-detail-intro h2 { font-weight: 800; margin-bottom: 0.75rem; }
.cat-detail-intro > p { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }
.cat-detail-intro-stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: var(--transition-slow);
}
.cat-detail-intro-stat:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary);
}
.cat-detail-intro-stat .intro-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 0.2rem;
}
.cat-detail-intro-stat .intro-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}
.cat-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cat-detail-tags .cat-tag {
  padding: 0.4rem 1.1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.cat-detail-tags .cat-tag:hover,
.cat-detail-tags .cat-tag.active {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
}
.cat-detail-sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.cat-detail-result-count {
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.cat-detail-result-count strong { color: var(--text-primary); }
.cat-detail-instructor-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-slow);
  height: 100%;
}
.cat-detail-instructor-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: transparent;
}
.cat-detail-instructor-card .instructor-card-top {
  background: linear-gradient(135deg, var(--primary-lighter), var(--gray-50));
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
}
.cat-detail-instructor-card .instructor-card-top img {
  width: 100px; height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: var(--shadow);
  margin: 0 auto;
}
.cat-detail-instructor-card .instructor-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
  text-align: center;
}
.cat-detail-instructor-card .instructor-card-body h5 {
  font-weight: 700;
  margin-bottom: 0.15rem;
}
.cat-detail-instructor-card .instructor-card-body .instructor-role {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 0.75rem;
  display: block;
}
.cat-detail-instructor-card .instructor-stat-row {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.cat-detail-instructor-card .instructor-stat-row i { margin-right: 4px; color: var(--primary); }
.cat-detail-instructor-card .instructor-card-body p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.cat-detail-path-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.75rem;
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.cat-detail-path-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
}
.cat-detail-path-card.begin::before { background: var(--success); }
.cat-detail-path-card.inter::before { background: var(--secondary); }
.cat-detail-path-card.adv::before { background: var(--danger); }
.cat-detail-path-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.cat-detail-path-card .path-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.cat-detail-path-card.begin .path-icon { background: var(--success-light); color: var(--success); }
.cat-detail-path-card.inter .path-icon { background: var(--warning-light); color: var(--secondary); }
.cat-detail-path-card.adv .path-icon { background: var(--danger-light); color: var(--danger); }
.cat-detail-path-card .path-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.cat-detail-path-card.begin .path-badge { background: var(--success-light); color: #065F46; }
.cat-detail-path-card.inter .path-badge { background: var(--warning-light); color: #92400E; }
.cat-detail-path-card.adv .path-badge { background: var(--danger-light); color: #991B1B; }
.cat-detail-path-card h4 { font-weight: 700; margin-bottom: 0.5rem; }
.cat-detail-path-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 1rem; }
.cat-detail-path-card .path-stat { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 1rem; }
.cat-detail-path-card .path-stat i { margin-right: 4px; color: var(--primary); }
.cat-detail-path-card .path-btn {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.cat-detail-path-card .path-btn i { font-size: 0.7rem; transition: var(--transition); }
.cat-detail-path-card:hover .path-btn i { transform: translateX(4px); }
.cat-detail-career-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: var(--transition-slow);
  height: 100%;
}
.cat-detail-career-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.cat-detail-career-card .career-icon {
  width: 48px; height: 48px;
  background: var(--primary-lighter);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.75rem;
  font-size: 1.1rem;
  color: var(--primary);
  transition: var(--transition);
}
.cat-detail-career-card:hover .career-icon { background: var(--primary); color: #fff; }
.cat-detail-career-card h6 { font-size: 0.92rem; font-weight: 700; margin-bottom: 0.3rem; }
.cat-detail-career-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; line-height: 1.5; }
.cat-detail-related-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cat-detail-related-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0.65rem 1.25rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition-slow);
  text-decoration: none;
}
.cat-detail-related-item:hover {
  background: var(--primary-lighter);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.cat-detail-related-item i:first-child {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-50);
  border-radius: var(--radius);
  color: var(--primary);
  font-size: 0.8rem;
  flex-shrink: 0;
}
.cat-detail-related-item:hover i:first-child { background: #fff; }
.cat-detail-related-item div strong { display: block; font-size: 0.85rem; }
.cat-detail-related-item div span { font-size: 0.75rem; color: var(--text-muted); }
.cat-detail-related-item > i:last-child { font-size: 0.65rem; color: var(--text-muted); margin-left: auto; }
.cat-detail-related-item:hover > i:last-child { color: var(--primary); }
.cat-detail-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 3rem;
  position: relative;
  overflow: hidden;
}
.cat-detail-cta::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.cat-detail-cta * { position: relative; }
.cat-detail-cta .cta-content { flex: 1; }
.cat-detail-cta .cta-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.1);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.cat-detail-cta h3 { font-weight: 800; color: #fff; font-size: 1.75rem; margin-bottom: 0.5rem; }
.cat-detail-cta p { opacity: 0.9; font-size: 0.95rem; max-width: 480px; margin-bottom: 1.25rem; }
.cat-detail-cta .cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cat-detail-cta .cta-visual img {
  border-radius: var(--radius-xl);
  max-width: 280px;
  box-shadow: var(--shadow-2xl);
}
@media (max-width: 991px) {
  .cat-detail-title { font-size: 2rem; }
  .cat-detail-float-card { display: none; }
  .cat-detail-cta { flex-direction: column; text-align: center; padding: 2rem 1.5rem; }
  .cat-detail-cta p { max-width: 100%; }
  .cat-detail-cta .cta-actions { justify-content: center; }
  .cat-detail-cta .cta-visual { display: none; }
}
@media (max-width: 767px) {
  .cat-detail-title { font-size: 1.5rem; }
  .cat-detail-hero { padding: 4rem 0 2.5rem; }
  .cat-detail-stats { gap: 1rem; }
}

/* ===== Course Detail Premium Redesign ===== */
.course-detail-hero {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 40%, var(--primary-dark) 100%);
  padding: 4.5rem 0 3rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.course-detail-hero-bg {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 40%, rgba(167,139,250,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(245,158,11,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.course-detail-hero .breadcrumb { justify-content: flex-start; margin-bottom: 1.25rem; }
.course-detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.course-detail-badge .dot {
  width: 4px; height: 4px;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
}
.course-detail-title {
  font-weight: 800;
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.course-detail-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 1rem;
}
.course-detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  align-items: center;
  margin-bottom: 1.25rem;
}
.course-detail-meta-item {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 6px;
}
.course-detail-meta-item i { font-size: 0.8rem; width: 16px; }
.course-detail-meta-item strong { color: var(--secondary); }
.course-detail-instructor-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.course-detail-instructor-strip img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.2);
}
.course-detail-instructor-strip div span { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.course-detail-instructor-strip div strong { font-size: 0.88rem; color: #fff; }
.course-detail-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  margin-bottom: 1rem;
}
.course-detail-section h3 { font-size: 1.15rem; }
.course-detail-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.course-detail-description p { margin-bottom: 0.75rem; }
.course-detail-video-wrapper {
  margin-bottom: 1rem;
}
.shadow-xs { box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
.curriculum-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.88rem;
  transition: var(--transition);
  cursor: default;
}
.curriculum-item:last-child { border-bottom: none; }
.curriculum-item:hover { background: var(--gray-50); }
.curriculum-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.curriculum-item-left i { font-size: 0.85rem; flex-shrink: 0; }
.curriculum-item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.curriculum-item-free {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--success-light);
  color: var(--success);
  padding: 1px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.curriculum-item-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: 12px;
}
.curriculum-item-duration {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.course-detail-rating-summary {
  text-align: center;
  padding: 1.5rem;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}
.rating-summary-main { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.rating-summary-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.rating-summary-stars { font-size: 0.9rem; letter-spacing: 2px; }
.rating-summary-total {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}
.rating-bars { display: flex; flex-direction: column; gap: 6px; }
.rating-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.rating-bar-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 32px;
  text-align: right;
}
.rating-bar-track {
  flex: 1;
  height: 8px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.rating-bar-fill {
  height: 100%;
  background: var(--secondary);
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}
.rating-bar-count {
  font-size: 0.82rem;
  color: var(--text-muted);
  min-width: 24px;
}
.course-detail-reviews-list { margin-top: 1rem; }
.review-item {
  display: flex;
  gap: 14px;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
}
.review-item:last-child { border-bottom: none; }
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.review-content { flex: 1; min-width: 0; }
.review-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.review-header strong { font-size: 0.9rem; }
.review-stars { font-size: 0.75rem; letter-spacing: 1px; }
.review-date { font-size: 0.78rem; color: var(--text-muted); margin-left: auto; }
.review-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.course-detail-sidebar {
  position: sticky;
  top: 84px;
  background: #fff;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.course-detail-sidebar .sidebar-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--gray-100);
}
.course-detail-sidebar .sidebar-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-sale-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: 4px;
}
.sidebar-pricing { padding: 1.25rem 1.5rem 0; }
.sidebar-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sidebar-price-original {
  font-size: 1rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
}
.sidebar-discount-badge {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--success-light);
  color: var(--success);
  padding: 2px 8px;
  border-radius: 4px;
}
.sidebar-actions { padding: 1rem 1.5rem; }
.sidebar-actions .btn-outline-secondary {
  color: var(--text-secondary);
  border-color: var(--border);
}
.sidebar-actions .btn-outline-secondary:hover {
  background: var(--gray-50);
  border-color: var(--primary);
  color: var(--primary);
}
.sidebar-includes {
  padding: 0 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}
.sidebar-includes h6 {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.sidebar-includes ul { list-style: none; padding: 0; margin: 0; }
.sidebar-includes li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.35rem 0;
  font-size: 0.85rem;
  color: var(--gray-600);
}
.sidebar-includes li i { width: 16px; color: var(--primary); font-size: 0.8rem; }
.sidebar-progress-info { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-light); }
.sidebar-meta { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-light); }
.sidebar-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.4rem 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.sidebar-meta-item i { width: 16px; color: var(--primary); font-size: 0.8rem; }
.sidebar-meta-item strong { color: var(--text-primary); }
.sidebar-share {
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sidebar-share > span { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
.sidebar-share-icons { display: flex; gap: 6px; flex-wrap: wrap; }
.sidebar-share-icons .share-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  color: #fff;
  transition: var(--transition);
  font-size: 0.82rem;
  border: none;
  cursor: pointer;
}
.sidebar-share-icons .share-icon:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-sale-badge {
  position: absolute; top: 10px; right: 10px;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 3px;
  z-index: 3;
}
.course-detail-cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.course-detail-cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.course-detail-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  position: relative;
}
.course-detail-cta-inner .cta-text { flex: 1; }
.course-detail-cta-inner .cta-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.08);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.course-detail-cta-inner h2 {
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}
.course-detail-cta-inner p {
  color: rgba(255,255,255,0.8);
  max-width: 480px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.course-detail-cta-inner .cta-features {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.course-detail-cta-inner .cta-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #fff;
  padding: 1.25rem 1.5rem;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  min-width: 100px;
}
.course-detail-cta-inner .cta-feature i { font-size: 1.3rem; color: var(--secondary); }
.course-detail-cta-inner .cta-feature span { font-size: 0.82rem; font-weight: 500; }
@media (max-width: 991px) {
  .course-detail-title { font-size: 1.6rem; }
  .course-detail-sidebar { position: static !important; }
  .course-detail-cta-inner { flex-direction: column; text-align: center; }
  .course-detail-cta-inner p { max-width: 100%; }
  .course-detail-cta-inner .cta-features { justify-content: center; }
}
@media (max-width: 767px) {
  .course-detail-hero { padding: 3rem 0 2rem; }
  .course-detail-title { font-size: 1.3rem; }
  .course-detail-meta-row { gap: 0.5rem 1rem; }
  .course-detail-section { padding: 1.25rem; }
  .sidebar-pricing { padding: 1rem 1.25rem 0; }
  .sidebar-actions { padding: 0.75rem 1.25rem; }
  .sidebar-includes, .sidebar-progress-info, .sidebar-meta, .sidebar-share { padding-left: 1.25rem; padding-right: 1.25rem; }
}

/* ===== Course Page Premium Additions ===== */
.course-premium-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.course-premium-image-wrapper img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.course-premium-image-wrapper:hover img { transform: scale(1.03); }
.course-premium-image-wrapper .play-overlay {
  position: absolute; inset: 0;
  background: rgba(15,10,46,0.3);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-slow);
  cursor: pointer;
}
.course-premium-image-wrapper .play-overlay:hover { background: rgba(15,10,46,0.4); }
.course-premium-image-wrapper .play-btn {
  width: 72px; height: 72px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  transition: var(--transition-bounce);
}
.course-premium-image-wrapper .play-btn:hover { transform: scale(1.1); }

.learning-obj-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 1rem 1.25rem;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--success);
  transition: var(--transition-slow);
  height: 100%;
}
.learning-obj-card:hover {
  background: var(--success-light);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
.learning-obj-card .check-icon {
  width: 28px; height: 28px;
  background: var(--success);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.course-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.25rem;
}
.course-section-title .sec-icon {
  width: 36px; height: 36px;
  background: var(--primary-lighter);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.course-section-title h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.course-stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.25rem 1.75rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.course-stats-bar .stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.course-stats-bar .stat-item .stat-icon {
  width: 40px; height: 40px;
  background: var(--primary-lighter);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--primary);
  flex-shrink: 0;
}
.course-stats-bar .stat-item .stat-info strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.2;
}
.course-stats-bar .stat-item .stat-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.audience-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
  height: 100%;
}
.audience-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.audience-card .audience-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.audience-card h6 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.25rem; }
.audience-card p { font-size: 0.82rem; color: var(--text-muted); margin: 0; line-height: 1.5; }

.instructor-premium-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: var(--transition-slow);
}
.instructor-premium-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-2px);
}
.instructor-premium-card img {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-lighter);
  flex-shrink: 0;
}
.instructor-premium-card .inst-info h5 {
  font-weight: 700;
  margin-bottom: 0.15rem;
}
.instructor-premium-card .inst-info .inst-role {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.5rem;
}
.instructor-premium-card .inst-info .inst-bio {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.faq-premium-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-premium-item:hover { border-color: var(--primary-light); }
.faq-premium-item .faq-q {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #fff;
  transition: var(--transition);
  border: none;
  width: 100%;
  text-align: left;
}
.faq-premium-item .faq-q:hover { background: var(--gray-50); }
.faq-premium-item .faq-q i { transition: var(--transition); color: var(--primary); font-size: 0.8rem; }
.faq-premium-item .faq-q[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-premium-item .faq-a {
  padding: 0 1.25rem 1rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.course-cta-premium {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 3rem;
  position: relative;
  overflow: hidden;
}
.course-cta-premium::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.06) 0%, transparent 50%);
}
.course-cta-premium * { position: relative; }
.course-cta-premium .cta-content { flex: 1; }
.course-cta-premium h3 { font-weight: 800; color: #fff; font-size: 1.65rem; margin-bottom: 0.5rem; }
.course-cta-premium p { opacity: 0.9; font-size: 0.95rem; margin-bottom: 1.25rem; max-width: 480px; }
.course-cta-premium .cta-features {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.course-cta-premium .cta-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.6rem 1rem;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
}
.course-cta-premium .cta-feature i { color: var(--secondary); font-size: 0.85rem; }
.course-cta-premium .cta-visual img {
  border-radius: var(--radius-xl);
  max-width: 240px;
  box-shadow: var(--shadow-2xl);
}
@media (max-width: 991px) {
  .course-cta-premium { flex-direction: column; text-align: center; padding: 2rem 1.5rem; }
  .course-cta-premium p { max-width: 100%; }
  .course-cta-premium .cta-features { justify-content: center; }
  .course-cta-premium .cta-visual { display: none; }
  .course-stats-bar { padding: 1rem; gap: 1rem; }
  .course-stats-bar .stat-item .stat-icon { width: 34px; height: 34px; font-size: 0.8rem; }
}

/* ===== Category Learning Outcomes ===== */
.cat-detail-outcome-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem;
  transition: var(--transition-slow);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.cat-detail-outcome-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.cat-detail-outcome-card:hover::after { transform: scaleX(1); }
.cat-detail-outcome-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.cat-detail-outcome-card .outcome-icon {
  width: 48px; height: 48px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 1rem;
  transition: var(--transition);
}
.cat-detail-outcome-card:hover .outcome-icon {
  transform: scale(1.05);
}
.cat-detail-outcome-card h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.cat-detail-outcome-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Star Rating Input */
.star-rating-input {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 0.25rem;
}
.star-rating-input input { display: none; }
.star-rating-input label {
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--gray-200);
  transition: color 0.2s;
}
.star-rating-input label:hover,
.star-rating-input label:hover ~ label,
.star-rating-input input:checked ~ label {
  color: var(--secondary);
}
.star-rating-input label:hover i,
.star-rating-input label:hover ~ label i,
.star-rating-input input:checked ~ label i {
  color: var(--secondary);
}

/* Review Form */
.review-form-wrapper {
  padding: 1.5rem;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}
.review-form .form-label { font-weight: 600; font-size: 0.9rem; }
.review-feedback.alert {
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
}

/* ===== Dashboard Enhancements ===== */
.stat-card .icon-box.purple { background: var(--primary-lighter); color: var(--primary); }
.stat-card .icon-box.green { background: var(--success-light); color: var(--success); }
.stat-card .icon-box.yellow { background: var(--warning-light); color: var(--warning); }
.stat-card .icon-box.blue { background: var(--info-light); color: var(--info); }
.stat-card .icon-box.red { background: #FEE2E2; color: var(--danger); }
.stat-card .icon-box.info { background: var(--info-light); color: var(--info); }

.dashboard-sidebar hr { margin: 0.3rem 1.2rem; opacity: 0.3; }
.dashboard-sidebar .badge { font-size: 0.6rem; font-weight: 600; padding: 0.15rem 0.45rem; }

.dashboard-topbar .btn-outline-light { border-color: var(--border); color: var(--text-secondary); }
.dashboard-topbar .btn-outline-light:hover { background: var(--gray-50); border-color: var(--gray-300); color: var(--text-primary); }

.min-w-0 { min-width: 0; }
.alert-auto { margin-bottom: 0; }

.curriculum-list .list-group-item.active { background: var(--primary); border-color: var(--primary); }
.curriculum-list .list-group-item.active small { color: rgba(255,255,255,0.75) !important; }
.curriculum-list .list-group-item.active .text-muted { color: rgba(255,255,255,0.5) !important; }
.curriculum-list .list-group-item .fa-play-circle { color: var(--primary); }
.curriculum-list .list-group-item.active .fa-play-circle { color: #fff; }

.curriculum-list .list-group-item { transition: var(--transition); }
.curriculum-list .list-group-item:hover:not(.active) { background: var(--gray-50); }
.curriculum-list .list-group-item.active:hover { background: var(--primary-dark); }

.card-header .nav-tabs .nav-link { padding: 0.5rem 1rem; font-size: 0.85rem; }
.card-header .nav-tabs .nav-link.active { border-bottom-color: var(--primary); }

@media (max-width: 991.98px) {
  .curriculum-list { max-height: none !important; }
  .curriculum-list.show-mobile { display: block !important; }
  .dashboard-topbar .text-muted.small { display: none; }
}

@media (max-width: 575.98px) {
  .dashboard-topbar .dropdown-menu { width: 280px !important; }
}

/* ===== Dashboard Premium Enhancements ===== */
.dashboard-sidebar {
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.dashboard-sidebar::-webkit-scrollbar { width: 3px; }
.dashboard-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
.sidebar-header a { font-size: 1.15rem; letter-spacing: -0.5px; }
.admin-logo { height: 30px; width: auto; display: block; }
.cert-logo { height: 56px; width: auto; display: block; margin: 0 auto; }
.sidebar-user { position: relative; overflow: hidden; }
.sidebar-user::after {
  content: ''; position: absolute; bottom: 0; left: 1.2rem; right: 1.2rem;
  height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}
.sidebar-user img { box-shadow: 0 2px 8px rgba(0,0,0,0.2); border: 2px solid rgba(255,255,255,0.1); }
.dashboard-sidebar nav { flex: 1; padding: 0.6rem 0; }
.dashboard-sidebar nav .nav-link {
  margin: 2px 0.6rem;
  border-radius: var(--radius);
  border-left: none;
  padding: 0.65rem 0.8rem;
  font-weight: 500;
}
.dashboard-sidebar nav .nav-link i {
  width: 20px; font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
  transition: var(--transition);
}
.dashboard-sidebar nav .nav-link:hover i,
.dashboard-sidebar nav .nav-link.active i { color: var(--secondary); }
.dashboard-sidebar nav .nav-link:hover,
.dashboard-sidebar nav .nav-link.active {
  background: linear-gradient(90deg, rgba(124,58,237,0.12), transparent);
  color: #fff;
  border-left: none;
}
.dashboard-sidebar nav .nav-link .badge {
  margin-left: auto;
  font-size: 0.6rem;
  padding: 0.15rem 0.45rem;
}
.sidebar-footer { padding: 0.8rem 1.2rem; }
.sidebar-footer .nav-link {
  border-radius: var(--radius);
  padding: 0.65rem 0.8rem;
  margin: 0;
  font-size: 0.85rem;
  transition: var(--transition);
}
.sidebar-footer .nav-link:hover { background: rgba(239,68,68,0.1); }
.dashboard-topbar {
  padding: 0.7rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
}
.dashboard-topbar .form-control-sm {
  background: var(--gray-50);
  border: 1px solid var(--border);
  font-size: 0.82rem;
}
.dashboard-topbar .form-control-sm:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.08);
}
.dashboard-content { padding: 1.5rem; }
.stat-card {
  position: relative;
  overflow: hidden;
  border: none;
  box-shadow: var(--shadow-xs);
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card .icon-box {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  font-size: 1.1rem;
}
.stat-card h3 { font-size: 1.5rem; }
.dashboard-content .card {
  border: none;
  box-shadow: var(--shadow-xs);
  transition: var(--transition-slow);
}
.dashboard-content .card:hover { box-shadow: var(--shadow-md); }
.dashboard-content .card-header {
  background: #fff;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}
.dashboard-content .card-header h6 { font-size: 0.9rem; }
.dashboard-content .card-body { padding: 1.25rem; }
.dashboard-content .course-card .card-img-top {
  height: 160px; object-fit: cover;
  transition: var(--transition-slow);
}
.dashboard-content .course-card:hover .card-img-top { transform: scale(1.03); }
.dashboard-content .course-card .card-img-top { border-radius: var(--radius) var(--radius) 0 0; }
.dashboard-content .empty-state {
  background: var(--card-bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1rem;
}
.dashboard-content .empty-state i {
  font-size: 2.5rem;
  color: var(--text-muted);
  opacity: 0.3;
  margin-bottom: 0.75rem;
}
.dashboard-content .empty-state h6 { font-size: 1rem; margin-bottom: 0.3rem; }
.dashboard-content .empty-state p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }

@media (max-width: 991.98px) {
  .dashboard-sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  .dashboard-sidebar.show { transform: translateX(0); }
  .dashboard-main { margin-left: 0; }
  .dashboard-content { padding: 1rem; }
  .dashboard-content .course-card .card-img-top { height: 140px; }
}
@media (max-width: 767.98px) {
  .dashboard-topbar { padding: 0.6rem 1rem; }
  .dashboard-search { display: none !important; }
  .dashboard-content .row.g-4 { --bs-gutter-y: 1rem; }
  .stat-card { padding: 1rem; }
  .stat-card .icon-box { width: 38px; height: 38px; font-size: 0.95rem; }
  .stat-card h3 { font-size: 1.25rem; }
}
@media (max-width: 575.98px) {
  .dashboard-content { padding: 0.75rem; }
  .dashboard-content .card-body { padding: 1rem; }
  .dashboard-topbar .text-muted.small { display: none; }
}
.progress-track { height: 8px; }
.course-card .progress-track { margin: 0.5rem 0; }
.curriculum-list .list-group-item {
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}
.curriculum-list .list-group-item:hover:not(.active) { border-left-color: var(--primary-light); }
.curriculum-list .list-group-item.active { border-left-color: var(--secondary); }
.dashboard-content .table-custom th {
  font-size: 0.75rem;
  letter-spacing: 0.3px;
  padding: 0.7rem 0.8rem;
}
.dashboard-content .table-custom td {
  padding: 0.7rem 0.8rem;
  font-size: 0.85rem;
}
.notif-item { transition: var(--transition); }
.notif-item:hover { background: var(--gray-50); }
.danger-zone-card {
  border: 1px solid rgba(239,68,68,0.15) !important;
  background: linear-gradient(135deg, #fff, #FEF2F2);
}
.danger-zone-card .card-body { padding: 1.25rem; }
.dashboard-profile-avatar {
  width: 100px; height: 100px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--primary-lighter);
  box-shadow: 0 4px 16px rgba(124,58,237,0.15);
}
@media (max-width: 767.98px) {
  .dashboard-profile-avatar { width: 80px; height: 80px; }
}
.dashboard-content .cert-card {
  transition: var(--transition-slow);
}
.dashboard-content .cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.analytics-bar {
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 4px;
  transition: var(--transition-slow);
}
.analytics-bar:hover { opacity: 0.8; }
.welcome-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.welcome-section::before {
  content: ''; position: absolute;
  top: -50%; right: -20%;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.welcome-section h4 { color: #fff; font-size: 1.3rem; }
.welcome-section p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.up-next-alert {
  border: none;
  background: linear-gradient(135deg, var(--info-light), #fff) !important;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--info) !important;
}
.toast-notification { z-index: 99999; }
.modal-receipt .modal-body i { font-size: 2.5rem; }
@media print {
  .dashboard-sidebar, .dashboard-topbar, .no-print { display: none !important; }
  .dashboard-main { margin-left: 0 !important; }
  .dashboard-content { padding: 0 !important; }
}

/* ========================================================================
   RESPONSIVE OPTIMIZATION ENHANCEMENTS
   ======================================================================== */

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(0,0,0,0.5);
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  -webkit-tap-highlight-color: transparent;
}
.mobile-menu-overlay.active {
  opacity: 1; visibility: visible;
}

/* Mobile Nav - Enhanced Transitions */
@media (max-width: 991px) {
  .navbar .navbar-collapse {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15,10,46,0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem;
    display: flex !important; flex-direction: column;
    z-index: 9999;
    transform: translateX(100%);
    opacity: 0; visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.35s ease, visibility 0.35s ease;
    overflow-y: auto;
  }
  .navbar .navbar-collapse.show {
    transform: translateX(0);
    opacity: 1; visibility: visible;
  }
  .navbar .navbar-collapse .navbar-nav { flex: 1; margin-top: 2rem; }
  .navbar .navbar-collapse .nav-link {
    font-size: 1.1rem; padding: 0.8rem 1rem !important;
    border-radius: var(--radius);
    color: rgba(255,255,255,0.8) !important;
  }
  /* Mobile dropdown accordion */
  .navbar .navbar-collapse .dropdown-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%;
  }
  .navbar .navbar-collapse .dropdown-toggle::after { display: none !important; }
  .navbar .navbar-collapse .dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
    transform: rotate(180deg);
  }
  .dropdown-arrow {
    transition: transform 0.25s ease;
  }
  .navbar .navbar-collapse .dropdown-menu {
    position: static !important;
    background: rgba(255,255,255,0.04) !important;
    border: 1px solid rgba(255,255,255,0.06) !important;
    border-radius: var(--radius-lg);
    box-shadow: none !important;
    margin-top: 4px;
    min-width: auto;
    animation: none;
    overflow: hidden;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    transition: max-height 0.35s ease, padding 0.35s ease, opacity 0.25s ease;
    display: block;
    visibility: visible;
  }
  .navbar .navbar-collapse .dropdown-menu.show {
    max-height: 80vh;
    padding: 0.5rem;
    opacity: 1;
    overflow-y: auto;
  }
  .navbar .navbar-collapse .dropdown-menu .mega-menu-title {
    color: rgba(255,255,255,0.4);
    border-bottom-color: rgba(255,255,255,0.06);
  }
  .navbar .navbar-collapse .dropdown-menu .mega-item {
    color: rgba(255,255,255,0.65);
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
  }
  .navbar .navbar-collapse .dropdown-menu .mega-item:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
  }
  .navbar .navbar-collapse .dropdown-menu .mega-item i {
    background: rgba(255,255,255,0.08);
    color: var(--primary-light);
  }
  .navbar .navbar-collapse .dropdown-menu .mega-item,
  .navbar .navbar-collapse .dropdown-menu .dropdown-item {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .navbar .navbar-collapse .nav-link {
    min-height: 48px;
    display: flex;
    align-items: center;
  }
  .navbar .navbar-collapse .dropdown-menu .mega-footer {
    border-top-color: rgba(255,255,255,0.06);
  }
  .navbar .navbar-collapse .dropdown-menu .mega-footer a {
    color: var(--primary-light);
  }
  /* Ensure mega menu grid works on mobile */
  .mega-menu .mega-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  @media (max-width: 480px) {
    .mega-menu .mega-grid { grid-template-columns: 1fr; }
  }
}

/* Improved Grid - Equal height cards */
.row-eq-height { display: flex; flex-wrap: wrap; }
.row-eq-height > [class*="col-"] { display: flex; flex-direction: column; }
.row-eq-height > [class*="col-"] > .course-card,
.row-eq-height > [class*="col-"] > .cat-card,
.row-eq-height > [class*="col-"] > .cat-card-hp,
.row-eq-height > [class*="col-"] > .category-card,
.row-eq-height > [class*="col-"] > .instructor-card,
.row-eq-height > [class*="col-"] > .stat-card,
.row-eq-height > [class*="col-"] > .cat-showcase,
.row-eq-height > [class*="col-"] > .path-card,
.row-eq-height > [class*="col-"] > .cat-detail-path-card,
.row-eq-height > [class*="col-"] > .cat-detail-instructor-card,
.row-eq-height > [class*="col-"] > .cat-detail-outcome-card,
.row-eq-height > [class*="col-"] > .cat-detail-career-card,
.row-eq-height > [class*="col-"] > .career-card,
.row-eq-height > [class*="col-"] > .feature-highlight { height: 100%; }

/* Mobile text alignment fixes */
@media (max-width: 575px) {
  .text-sm-center { text-align: center !important; }
  .text-sm-start { text-align: left !important; }
  .text-sm-end { text-align: right !important; }
}
@media (max-width: 767px) {
  .text-md-center { text-align: center !important; }
}

/* Better mobile spacing */
@media (max-width: 575px) {
  .section { padding: 2.5rem 0; }
  .section-sm { padding: 2rem 0; }
  .section-header { margin-bottom: 2rem; }
  .section-header h2 { font-size: 1.5rem; }
  .section-header .label { font-size: 0.7rem; padding: 0.25rem 0.8rem; }
  .container { padding-left: 12px; padding-right: 12px; }
  .row.g-4 { --bs-gutter-x: 0.75rem; --bs-gutter-y: 0.75rem; }
  .row.g-3 { --bs-gutter-x: 0.5rem; --bs-gutter-y: 0.5rem; }
}

/* Responsive tables - horizontal scroll on small screens */
.table-responsive-sm {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-responsive-sm .table-custom { min-width: 600px; }

/* Improved touch targets for mobile */
@media (max-width: 767px) {
  .btn { min-height: 44px; }
  .nav-link, .dropdown-item, .pagination-custom a, .pagination-custom span,
  .filter-toggle-btn, .social-link, .share-icon { min-height: 44px; display: inline-flex; align-items: center; justify-items: center; }
  input, select, textarea, .form-control, .form-select { font-size: 16px !important; }
}

/* Footer mobile improvements */
@media (max-width: 575px) {
  .footer-main { padding: 2rem 0 1rem; }
  .footer-title { margin-bottom: 0.75rem; font-size: 0.8rem; }
  .footer-links li { margin-bottom: 0.4rem; }
  .footer-contact li { margin-bottom: 0.5rem; }
  .footer-bottom .row > div { text-align: center !important; }
  .footer-bottom a { margin: 0 0.5rem; }
}

/* Stats section responsive */
@media (max-width: 575px) {
  .stats-section { padding: 2.5rem 0; }
  .stat-item .number { font-size: 1.8rem; }
  .stat-item .label { font-size: 0.7rem; }
}

/* Hero mobile improvements */
@media (max-width: 575px) {
  .hero { padding: 4rem 0 2.5rem; }
  .hero h1 { font-size: 1.5rem; }
  .hero .hero-badge { font-size: 0.7rem; padding: 0.25rem 0.75rem; }
  .hero p { font-size: 0.88rem; }
  .hero-stats { gap: 0.75rem; }
  .hero-stat h3 { font-size: 1.1rem; }
  .hero-stat p { font-size: 0.65rem; }
}

/* Course cards mobile */
@media (max-width: 575px) {
  .course-card .card-body { padding: 0.75rem 1rem; }
  .course-card .card-footer { padding: 0.6rem 1rem; }
  .course-card .card-title { font-size: 0.88rem; }
  .course-card .card-price { font-size: 0.95rem; }
  .course-card .card-category { font-size: 0.68rem; }
  .course-card .card-instructor { font-size: 0.75rem; }
  .course-card .card-rating { font-size: 0.72rem; flex-wrap: wrap; }
}

/* Category cards mobile */
@media (max-width: 575px) {
  .cat-card { padding: 1.25rem 1rem; }
  .cat-card .cat-icon { width: 48px; height: 48px; font-size: 1.1rem; }
  .cat-card h5 { font-size: 0.92rem; }
  .cat-card p { font-size: 0.78rem; }
  .cat-card-hp { padding: 1.25rem; }
  .cat-card-hp h5 { font-size: 0.92rem; }
  .cat-card-hp p { font-size: 0.78rem; }
  .cat-card-hp .hp-icon { width: 44px; height: 44px; font-size: 1rem; }
  .cat-showcase .showcase-top { flex-direction: column; align-items: flex-start; }
}

/* Search page responsive */
@media (max-width: 575px) {
  .hero-search { flex-direction: column; border-radius: var(--radius-lg); padding: 6px; background: #fff; }
  .hero-search .form-control { border-radius: var(--radius); margin-bottom: 4px; }
  .hero-search .btn { border-radius: var(--radius); width: 100%; }
}

/* Accordion mobile */
@media (max-width: 575px) {
  .accordion-button { font-size: 0.85rem; padding: 0.9rem 1rem; }
  .accordion-body { font-size: 0.82rem; padding: 0 1rem 0.9rem; }
}

/* Newsletter mobile */
@media (max-width: 575px) {
  .newsletter-section { padding: 2.5rem 0; }
  .newsletter-form .form-control { padding: 0.7rem 1rem; }
  .newsletter-form .btn { padding: 0.6rem 1.2rem; }
}

/* Process steps mobile */
@media (max-width: 575px) {
  .process-step { padding: 1.5rem 0.75rem; }
  .process-step .step-num { width: 44px; height: 44px; font-size: 1rem; }
}

/* Partner logos mobile */
@media (max-width: 575px) {
  .partner-logo img { max-height: 32px; }
}

/* CTA section mobile */
@media (max-width: 575px) {
  .cta-section { padding: 3rem 0; }
  .cta-section h2 { font-size: 1.5rem; }
  .cta-section .btn-lg { padding: 0.6rem 1.5rem; font-size: 0.9rem; }
}

/* Auth pages mobile */
@media (max-width: 575px) {
  .auth-right { padding: 1rem; }
  .auth-card { padding: 1.25rem; border-radius: var(--radius-xl); }
  .auth-card .auth-title { font-size: 1.2rem; }
  .auth-card .form-control { padding: 0.6rem 0.85rem; font-size: 0.85rem; }
}

/* Dashboard mobile improvements */
@media (max-width: 575px) {
  .dashboard-topbar { padding: 0.5rem 0.75rem; }
  .dashboard-topbar .btn { font-size: 0.8rem; padding: 0.35rem 0.7rem; }
  .dashboard-content .stat-card .icon-box { width: 36px; height: 36px; font-size: 0.85rem; }
  .welcome-section { padding: 1rem 1.25rem; border-radius: var(--radius-lg); }
  .welcome-section h4 { font-size: 1.1rem; }
}

/* Instructor cards mobile */
@media (max-width: 575px) {
  .instructor-card { padding: 1.25rem 1rem; }
  .instructor-card .avatar { width: 64px; height: 64px; }
  .instructor-card h5 { font-size: 0.88rem; }
  .instructor-card .stats { gap: 1rem; flex-wrap: wrap; }
}

/* Page header mobile */
@media (max-width: 575px) {
  .page-header { padding: 3.5rem 0 2rem; }
  .page-header h1 { font-size: 1.5rem; }
  .page-header p { font-size: 0.9rem; }
  .breadcrumb-item, .breadcrumb-item a { font-size: 0.78rem; }
}

/* Sort bar mobile */
@media (max-width: 575px) {
  .sort-bar { flex-direction: column; align-items: flex-start; }
  .sort-bar .sort-options { width: 100%; }
  .sort-bar .sort-options select { min-width: 100%; }
  .cat-detail-sort-bar { flex-direction: column; align-items: flex-start; }
}

/* Empty states mobile */
@media (max-width: 575px) {
  .empty-state { padding: 2rem 0.75rem; }
  .empty-state .icon { width: 56px; height: 56px; font-size: 1.3rem; }
}

/* Modal mobile */
@media (max-width: 575px) {
  .modal-dialog { margin: 0.5rem; }
  .modal-body { padding: 1rem; }
  .modal-header { padding: 1rem; }
  .modal-footer { padding: 0.75rem 1rem; }
}

/* Pagination mobile */
@media (max-width: 575px) {
  .pagination-custom { flex-wrap: wrap; }
  .pagination-custom a, .pagination-custom span { min-width: 32px; height: 32px; font-size: 0.78rem; }
}

/* Filter card mobile */
@media (max-width: 575px) {
  .filter-card .filter-header { padding: 0.7rem 1rem; font-size: 0.82rem; }
  .filter-card .filter-body { padding: 0.75rem 1rem; }
}

/* Category hero mobile */
@media (max-width: 575px) {
  .categories-hero { padding: 4rem 0 2.5rem; }
  .categories-hero h1 { font-size: 1.5rem; }
  .categories-hero .hero-count { font-size: 0.78rem; padding: 0.35rem 0.9rem; }
}

/* Course detail mobile */
@media (max-width: 575px) {
  .course-detail-section { padding: 1rem; }
  .course-detail-section h3 { font-size: 1rem; }
  .course-detail-meta-item { font-size: 0.78rem; }
  .curriculum-item { padding: 0.6rem 0.75rem; font-size: 0.82rem; flex-wrap: wrap; }
  .curriculum-item-right { margin-left: 0; width: 100%; justify-content: flex-end; margin-top: 4px; }
  .instructor-premium-card { flex-direction: column; align-items: center; text-align: center; padding: 1.25rem; }
  .instructor-premium-card img { width: 64px; height: 64px; }
  .review-item { flex-direction: column; }
  .review-header { flex-direction: column; align-items: flex-start; }
  .review-date { margin-left: 0; }
}

/* Learning objectives mobile */
@media (max-width: 575px) {
  .learning-obj-card { padding: 0.75rem 1rem; }
  .learning-obj-card .check-icon { width: 24px; height: 24px; font-size: 0.6rem; }
}

/* For very small screens */
@media (max-width: 380px) {
  .col-6 { width: 100%; flex: 0 0 100%; max-width: 100%; }
  .hero-stats { justify-content: space-between; }
  .hero-stat h3 { font-size: 1rem; }
  .course-card .card-footer { flex-direction: column; align-items: flex-start; gap: 8px; }
  .course-card .card-footer .btn { width: 100%; }
  .cat-card-hp .hp-footer { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* Ensure no horizontal scroll */
html { overflow-x: hidden; }
body { overflow-x: hidden; width: 100%; }
img, video, canvas, svg, iframe { max-width: 100%; height: auto; }
pre, code { white-space: pre-wrap; word-break: break-word; }
table { word-break: break-word; }
input, select, textarea, button { max-width: 100%; }

/* Helper utilities */
.d-grid-gap-2 { gap: 0.5rem; }
.min-h-0 { min-height: 0; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.touch-manipulation { touch-action: manipulation; }
.user-select-none { -webkit-user-select: none; user-select: none; }
.overflow-ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Card equal height helper (Bootstrap row replacement) */
.row-cards { display: flex; flex-wrap: wrap; }
.row-cards > [class*="col-"] { display: flex; }
.row-cards > [class*="col-"] > * { width: 100%; }

/* Smooth scrollbar for mobile nav */
#mainNavbar { -webkit-overflow-scrolling: touch; }

/* ===== Owl Carousel Fallback (visible before JS init) ===== */
.owl-carousel:not(.owl-loaded) {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.owl-carousel:not(.owl-loaded) > * {
  width: calc(25% - 18px);
  flex-shrink: 0;
}
.courses-carousel:not(.owl-loaded) > *,
.instructors-carousel:not(.owl-loaded) > *,
.partners-carousel:not(.owl-loaded) > *,
.categories-carousel:not(.owl-loaded) > * {
  margin-bottom: 0;
}
.instructor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px;
  align-items: center;
}
@media (max-width: 991px) {
  .instructor-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}
@media (max-width: 767px) {
  .instructor-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
@media (max-width: 575px) {
  .instructor-grid { grid-template-columns: 1fr; gap: 20px; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 400px) {
  .partner-grid { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 991px) {
  .owl-carousel:not(.owl-loaded) > * { width: calc(33.33% - 16px); }
}
@media (max-width: 767px) {
  .owl-carousel:not(.owl-loaded) > * { width: calc(50% - 12px); }
}
@media (max-width: 575px) {
  .owl-carousel:not(.owl-loaded) > * { width: 100%; }
  .owl-carousel:not(.owl-loaded) { gap: 16px; }
}