@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

/* =========================================
   CROVENIQ EDUCATION - CSS VARIABLES
   ========================================= */
:root {
  --primary: #6C3FC5;
  --primary-light: #8B5CF6;
  --primary-dark: #4C2D8F;
  --secondary: #F4A535;
  --secondary-light: #FBBF5E;
  --secondary-dark: #D4861A;
  --accent: #2DCBA8;
  --accent-light: #5DE8CB;
  --accent-dark: #1A9A80;
  --bg-main: #F7F5FF;
  --bg-card: #FFFFFF;
  --bg-dark: #1A1040;
  --bg-section: #EDE9FF;
  --text-primary: #1A1040;
  --text-secondary: #4A4068;
  --text-muted: #8B82A8;
  --text-light: #FFFFFF;
  --border-color: #D8D0F5;
  --border-focus: #6C3FC5;
  --shadow-sm: 0 2px 8px rgba(108, 63, 197, 0.08);
  --shadow-md: 0 4px 20px rgba(108, 63, 197, 0.15);
  --shadow-lg: 0 8px 40px rgba(108, 63, 197, 0.22);
  --shadow-xl: 0 16px 60px rgba(108, 63, 197, 0.28);
  --gradient-primary: linear-gradient(135deg, #6C3FC5 0%, #8B5CF6 50%, #A78BFA 100%);
  --gradient-secondary: linear-gradient(135deg, #F4A535 0%, #FBBF5E 100%);
  --gradient-hero: linear-gradient(135deg, #1A1040 0%, #2D1A6E 40%, #4C2D8F 100%);
  --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #F3EEFF 100%);
  --gradient-accent: linear-gradient(135deg, #2DCBA8 0%, #5DE8CB 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
  --transition-slow: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* =========================================
   GLOBAL RESET & BASE
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   CUSTOM SCROLLBAR
   ========================================= */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-section);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-section);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
}

/* =========================================
   STICKY HEADER
   ========================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(108, 63, 197, 0.1);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.99);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 72px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary);
  transition: opacity var(--transition-fast);
}

.site-logo:hover {
  opacity: 0.85;
}

.site-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(108, 63, 197, 0.35);
}

/* Desktop Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 0.9rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1.8rem);
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(108, 63, 197, 0.07);
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(108, 63, 197, 0.1);
  font-weight: 600;
}

.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--bg-section);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--primary);
  font-size: 1.35rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: rgba(108, 63, 197, 0.12);
  border-color: var(--primary-light);
}

/* Mobile Menu */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.99);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 9998;
  padding: 1rem 1.5rem 1.5rem;
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-menu .nav-link {
  display: flex;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.mobile-menu .nav-link::after {
  display: none;
}

.mobile-menu .header-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu .header-actions .btn {
  width: 100%;
  justify-content: center;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.65rem 1.4rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
  letter-spacing: 0.2px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(108, 63, 197, 0.35);
  border-color: transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 63, 197, 0.48);
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(108, 63, 197, 0.3);
}

/* Secondary Button */
.btn-secondary {
  background: var(--gradient-secondary);
  color: #1A1040;
  box-shadow: 0 4px 15px rgba(244, 165, 53, 0.3);
  border-color: transparent;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(244, 165, 53, 0.45);
  filter: brightness(1.06);
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(108, 63, 197, 0.3);
  transform: translateY(-2px);
}

/* Ghost Button */
.btn-ghost {
  background: rgba(108, 63, 197, 0.08);
  color: var(--primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: rgba(108, 63, 197, 0.15);
  transform: translateY(-1px);
}

/* Accent Button */
.btn-accent {
  background: var(--gradient-accent);
  color: #0D4A3C;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(45, 203, 168, 0.3);
  border-color: transparent;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 203, 168, 0.45);
}

/* White/Light Button */
.btn-white {
  background: #FFFFFF;
  color: var(--primary);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Dark Button */
.btn-dark {
  background: var(--bg-dark);
  color: var(--text-light);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

.btn-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: #2D1A6E;
}

/* Button Sizes */
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
  letter-spacing: 0.3px;
}

.btn-full {
  width: 100%;
}

.btn-icon {
  padding: 0.65rem;
  border-radius: var(--radius-md);
  aspect-ratio: 1;
}

/* =========================================
   COOKIE BANNER
   ========================================= */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99999;
  width: calc(100% - 3rem);
  max-width: 720px;
  background: var(--bg-dark);
  border: 1px solid rgba(108, 63, 197, 0.35);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(26, 16, 64, 0.55), 0 0 0 1px rgba(139, 92, 246, 0.15);
  padding: 1.4rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  animation: cookieFadeUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes cookieFadeUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.cookie-banner-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(108, 63, 197, 0.2);
  border: 1.5px solid rgba(139, 92, 246, 0.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--secondary-light);
}

.cookie-banner-text {
  flex: 1;
  min-width: 0;
}

.cookie-banner-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.2rem;
}

.cookie-banner-text p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
}

.cookie-banner-text a {
  color: var(--accent-light);
  text-decoration: underline;
  text-decoration-style: dotted;
  transition: color var(--transition-fast);
}

.cookie-banner-text a:hover {
  color: var(--accent);
}

.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.cookie-accept {
  background: var(--gradient-primary);
  color: white;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.cookie-accept:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 14px rgba(108, 63, 197, 0.4);
  transform: translateY(-1px);
}

.cookie-decline {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.cookie-decline:hover {
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.9);
}

/* =========================================
   FORMS
   ========================================= */
.form-group {
  margin-bottom: 1.35rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.form-group:focus-within .form-label {
  color: var(--primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1.1rem;
  font-size: 0.95rem;
  font-family: var(--font-main);
  color: var(--text-primary);
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--primary-light);
  background: #FAFAFF;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background: #FAFAFF;
  box-shadow: 0 0 0 4px rgba(108, 63, 197, 0.12);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
  line-height: 1.65;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236C3FC5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.8rem;
  cursor: pointer;
}

/* Form with icon */
.form-input-icon {
  position: relative;
}

.form-input-icon .form-input {
  padding-left: 2.8rem;
}

.form-input-icon .input-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.15rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-input-icon:focus-within .input-icon {
  color: var(--primary);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  cursor: pointer;
}

.form-check-input {
  width: 18px;
  height: 18px;
  min-width: 18px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  margin-top: 2px;
}

.form-check-input:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.form-check-input:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  border: none;
}

.form-check-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.form-check-label a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* Form validation states */
.form-input.is-valid,
.form-textarea.is-valid {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 203, 168, 0.12);
}

.form-input.is-invalid,
.form-textarea.is-invalid {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: #EF4444;
  font-weight: 500;
}

.form-hint {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* =========================================
   CARDS
   ========================================= */
.card {
  background: var(--gradient-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 63, 197, 0.25);
}

.card-body {
  padding: 1.75rem;
}

.card-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(108, 63, 197, 0.04);
}

.card-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-color);
  background: rgba(108, 63, 197, 0.03);
}

/* Course Card */
.course-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.course-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-xl);
  border-color: rgba(108, 63, 197, 0.3);
}

.course-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.course-card:hover .course-card-image {
  transform: scale(1.05);
}

.course-card-image-wrapper {
  overflow: hidden;
  position: relative;
}

.course-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--gradient-secondary);
  color: #1A1040;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(244, 165, 53, 0.4);
}

.course-card-body {
  padding: 1.35rem 1.5rem;
}

.course-card-category {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-light);
  margin-bottom: 0.5rem;
}

.course-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.7rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.course-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.course-price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}

.course-price-old {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 0.35rem;
  font-weight: 400;
}

/* Stats Card */
.stat-card {
  background: var(--gradient-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Feature Card */
.feature-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 63, 197, 0.2);
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(108, 63, 197, 0.12), rgba(139, 92, 246, 0.08));
  border: 1.5px solid rgba(108, 63, 197, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 1.25rem;
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(108, 63, 197, 0.35);
  transform: scale(1.1) rotate(-3deg);
}

/* Testimonial Card */
.testimonial-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 5rem;
  line-height: 1;
  color: rgba(108, 63, 197, 0.1);
  font-family: Georgia, serif;
  font-weight: 900;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(108, 63, 197, 0.2);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2.5px solid rgba(108, 63, 197, 0.25);
}

.testimonial-avatar-placeholder {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Instructor Card */
.instructor-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.instructor-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 63, 197, 0.25);
}

.instructor-card-image-wrapper {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.instructor-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.instructor-card:hover img {
  transform: scale(1.06);
}

.instructor-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(26, 16, 64, 0.7), transparent);
}

.instructor-card-body {
  padding: 1.25rem 1.35rem;
}

.instructor-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.instructor-card-subject {
  font-size: 0.83rem;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 0.65rem;
}

.instructor-social {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.instructor-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(108, 63, 197, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.instructor-social a:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
}

/* =========================================
   ACCORDION
   ========================================= */
.accordion {
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: background var(--transition-fast);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-item.active {
  background: rgba(108, 63, 197, 0.03);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  gap: 1rem;
}

.accordion-header:hover {
  background: rgba(108, 63, 197, 0.05);
}

.accordion-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
  flex: 1;
}

.accordion-item.active .accordion-title {
  color: var(--primary);
}

.accordion-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(108, 63, 197, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  background: var(--primary);
  color: white;
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), padding var(--transition-base);
  padding: 0 1.5rem;
}

.accordion-item.active .accordion-body {
  max-height: 500px;
  padding: 0 1.5rem 1.35rem;
}

.accordion-content {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 6rem 0 5rem;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(45, 203, 168, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--secondary-light);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
  letter-spacing: 0.5px;
}

.hero-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 900;
  color: white;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero-title .highlight {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 1.75rem;
  font-weight: 900;
  color: white;
  line-height: 1;
  margin-bottom: 0.2rem;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

/* =========================================
   SECTION STYLES
   ========================================= */
.section {
  padding: 5rem 0;
}

.section-sm {
  padding: 3.5rem 0;
}

.section-lg {
  padding: 7rem 0;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section-light {
  background: var(--bg-section);
}

.section-white {
  background: var(--bg-card);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(108, 63, 197, 0.1);
  border: 1px solid rgba(108, 63, 197, 0.2);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-dark .section-title {
  color: white;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.title-underline {
  position: relative;
  display: inline-block;
}

.title-underline::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
}

/* =========================================
   GRID LAYOUTS
   ========================================= */
.grid-layout {
  display: grid;
  gap: 1.75rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* =========================================
   RATING STARS
   ========================================= */
.stars {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--secondary);
  font-size: 0.9rem;
}

.stars-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-left: 4px;
}

/* =========================================
   PROGRESS BAR
   ========================================= */
.progress-bar-wrapper {
  background: rgba(108, 63, 197, 0.1);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35));
  animation: shimmer 2s ease infinite;
}

@keyframes shimmer {
  0% { opacity: 0; }
  50% { opacity: 1; }
  100% { opacity: 0; }
}

/* =========================================
   BADGE / PILL
   ========================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.badge-primary {
  background: rgba(108, 63, 197, 0.12);
  color: var(--primary);
  border: 1px solid rgba(108, 63, 197, 0.2);
}

.badge-secondary {
  background: rgba(244, 165, 53, 0.15);
  color: var(--secondary-dark);
  border: 1px solid rgba(244, 165, 53, 0.3);
}

.badge-accent {
  background: rgba(45, 203, 168, 0.12);
  color: var(--accent-dark);
  border: 1px solid rgba(45, 203, 168, 0.25);
}

.badge-dark {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* =========================================
   LOADING SPINNER
   ========================================= */
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid rgba(108, 63, 197, 0.15);
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 22px;
  height: 22px;
  border-width: 2px;
}

.spinner-lg {
  width: 56px;
  height: 56px;
  border-width: 4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Gradient spinner */
.spinner-gradient {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--primary) 0%, transparent 100%);
  animation: spin 0.9s linear infinite;
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), white calc(100% - 4px));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), white calc(100% - 4px));
}

/* Loading dots */
.loading-dots {
  display: flex;
  align-items: center;
  gap: 5px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  animation: dotBounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0.32s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* =========================================
   TABS
   ========================================= */
.tabs-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(108, 63, 197, 0.06);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.35rem;
  width: fit-content;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary);
  background: rgba(108, 63, 197, 0.08);
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.tab-content {
  display: none;
  animation: fadeInTab 0.3s ease forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   NOTIFICATION / TOAST
   ========================================= */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 99990;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 340px;
}

.toast {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: toastSlideIn 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(100%) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

.toast-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.toast-success .toast-icon { background: rgba(45, 203, 168, 0.12); color: var(--accent); }
.toast-error .toast-icon { background: rgba(239, 68, 68, 0.1); color: #EF4444; }
.toast-warning .toast-icon { background: rgba(244, 165, 53, 0.12); color: var(--secondary); }
.toast-info .toast-icon { background: rgba(108, 63, 197, 0.1); color: var(--primary); }

.toast-body { flex: 1; }
.toast-title { font-size: 0.875rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.2rem; }
.toast-message { font-size: 0.82rem; color: var(--text-muted); }

/* =========================================
   BREADCRUMB
   ========================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb-item a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--primary);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 600;
}

.breadcrumb-sep {
  color: var(--border-color);
  font-size: 0.75rem;
}

/* =========================================
   PAGINATION
   ========================================= */