@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');

/* ============================================
   CROAVEXOR EDUCATION - CSS VARIABLES
   ============================================ */
:root {
  /* Primary Palette - Deep Amber & Indigo */
  --color-primary: #5C3D9E;
  --color-primary-light: #7B5DC4;
  --color-primary-dark: #3D2470;
  --color-secondary: #E8830A;
  --color-secondary-light: #F5A53C;
  --color-secondary-dark: #B5620A;
  --color-accent: #14B8A6;
  --color-accent-light: #5EEAD4;
  --color-accent-dark: #0D8A7D;

  /* Neutral Tones */
  --color-bg: #F7F5FF;
  --color-bg-alt: #EDE8FF;
  --color-surface: #FFFFFF;
  --color-surface-2: #F3F0FF;
  --color-border: #D5CCFF;
  --color-border-light: #EAE6FF;

  /* Text Colors */
  --color-text: #1E1433;
  --color-text-muted: #6B5E8A;
  --color-text-light: #9D8FBF;
  --color-text-on-primary: #FFFFFF;
  --color-text-on-secondary: #FFFFFF;

  /* Dark Mode Colors */
  --color-dark-bg: #0F0A1E;
  --color-dark-surface: #1A1030;
  --color-dark-border: #2D2050;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #5C3D9E 0%, #7B5DC4 50%, #3D2470 100%);
  --gradient-secondary: linear-gradient(135deg, #E8830A 0%, #F5A53C 100%);
  --gradient-hero: linear-gradient(135deg, #1E1433 0%, #3D2470 40%, #5C3D9E 100%);
  --gradient-card: linear-gradient(145deg, #F7F5FF 0%, #EDE8FF 100%);
  --gradient-accent: linear-gradient(135deg, #14B8A6 0%, #5EEAD4 100%);
  --gradient-warm: linear-gradient(135deg, #E8830A 0%, #F5A53C 50%, #FBBF24 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(92, 61, 158, 0.08);
  --shadow-md: 0 4px 20px rgba(92, 61, 158, 0.15);
  --shadow-lg: 0 8px 40px rgba(92, 61, 158, 0.2);
  --shadow-xl: 0 16px 60px rgba(92, 61, 158, 0.25);
  --shadow-glow: 0 0 30px rgba(92, 61, 158, 0.4);
  --shadow-secondary: 0 4px 20px rgba(232, 131, 10, 0.25);
  --shadow-accent: 0 4px 20px rgba(20, 184, 166, 0.25);

  /* Typography */
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  /* Spacing & Layout */
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 22px;
  --border-radius-xl: 32px;
  --border-radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index */
  --z-sticky: 100;
  --z-dropdown: 200;
  --z-modal: 300;
  --z-toast: 400;
  --z-cookie: 500;
}

/* ============================================
   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-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  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(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--border-radius-full);
  border: 2px solid var(--color-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

::-webkit-scrollbar-corner {
  background: var(--color-bg-alt);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-light);
}

/* ============================================
   STICKY HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(247, 245, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(247, 245, 255, 0.98);
  box-shadow: var(--shadow-md);
}

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

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce);
}

.logo-icon:hover {
  transform: rotate(-5deg) scale(1.08);
}

.logo-icon i {
  font-size: 1.4rem;
  color: #FFFFFF;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  position: relative;
  display: inline-block;
  padding: 0.5rem 0.9rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  transition: transform var(--transition-bounce);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

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

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.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;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.mobile-menu-toggle i {
  font-size: 1.5rem;
}

/* Mobile Navigation */
.mobile-menu {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-lg);
  padding: 1rem 1.5rem 1.5rem;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
}

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

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

.mobile-menu-footer {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--border-radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition-fast);
}

.btn:hover::before {
  background: rgba(255, 255, 255, 0.1);
}

.btn:active {
  transform: scale(0.96);
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px) scale(1.02);
  color: var(--color-text-on-primary);
}

/* Secondary Button */
.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--color-text-on-secondary);
  box-shadow: var(--shadow-secondary);
  border-color: transparent;
}

.btn-secondary:hover {
  box-shadow: 0 0 25px rgba(232, 131, 10, 0.45);
  transform: translateY(-2px) scale(1.02);
  color: var(--color-text-on-secondary);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Accent Button */
.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-text);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  box-shadow: 0 0 25px rgba(20, 184, 166, 0.45);
  transform: translateY(-2px) scale(1.02);
}

/* Ghost Button */
.btn-ghost {
  background: rgba(92, 61, 158, 0.08);
  color: var(--color-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: rgba(92, 61, 158, 0.15);
  transform: translateY(-1px);
}

/* Button Sizes */
.btn-sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1.05rem;
}

.btn-xl {
  padding: 1.1rem 2.8rem;
  font-size: 1.15rem;
}

.btn-block {
  width: 100%;
}

.btn i {
  font-size: 1.1em;
  transition: transform var(--transition-bounce);
}

.btn:hover i {
  transform: translateX(3px);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--border-radius-full);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(123, 93, 196, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(232, 131, 10, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(232, 131, 10, 0.15);
  border: 1px solid rgba(232, 131, 10, 0.3);
  color: var(--color-secondary-light);
  padding: 0.4rem 1rem;
  border-radius: var(--border-radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.6s ease;
}

.hero-badge i {
  font-size: 0.95rem;
}

.hero-title {
  color: #FFFFFF;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-title span {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.9;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3.5rem;
  animation: fadeInUp 0.7s ease 0.4s both;
}

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

.hero-stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #FFFFFF;
  font-family: var(--font-heading);
  line-height: 1;
}

.hero-stat-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.25rem;
}

.hero-image-wrapper {
  position: relative;
  animation: floatUpDown 4s ease-in-out infinite;
}

@keyframes floatUpDown {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

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

.section-sm {
  padding: 3rem 0;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-bg-alt);
  padding: 0.35rem 1rem;
  border-radius: var(--border-radius-full);
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.2;
}

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

.section-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 580px;
  line-height: 1.9;
}

.section-header-center {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-header-center .section-description {
  margin: 0 auto;
}

/* ============================================
   CARD COMPONENTS
   ============================================ */
.card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-border);
}

.card-gradient {
  background: var(--gradient-card);
}

.card-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
}

.card-secondary {
  background: var(--gradient-secondary);
  border: none;
  color: white;
}

.card-body {
  padding: 1.75rem;
}

.card-header {
  padding: 1.5rem 1.75rem 0;
}

.card-footer {
  padding: 0 1.75rem 1.75rem;
}

/* Course Cards */
.course-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.course-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: var(--color-primary-light);
}

.course-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

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

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

.course-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(30, 20, 51, 0.5) 100%);
}

.course-card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--gradient-secondary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-secondary);
}

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

.course-card-category {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.course-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.4;
  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: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.course-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

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

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

.course-price-original {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-decoration: line-through;
  margin-left: 0.35rem;
}

/* Feature Cards */
.feature-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-bounce);
  transform-origin: left;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  transition: transform var(--transition-bounce);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon-primary {
  background: rgba(92, 61, 158, 0.12);
  color: var(--color-primary);
}

.feature-icon-secondary {
  background: rgba(232, 131, 10, 0.12);
  color: var(--color-secondary);
}

.feature-icon-accent {
  background: rgba(20, 184, 166, 0.12);
  color: var(--color-accent);
}

/* Testimonial Cards */
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.08;
  font-family: var(--font-heading);
  font-weight: 900;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.testimonial-rating {
  display: flex;
  gap: 0.2rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  border: 2px solid var(--color-border);
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

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

/* ============================================
   FORM STYLES
   ============================================ */
.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  transition: color var(--transition-base);
}

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

.form-control {
  width: 100%;
  padding: 0.8rem 1.2rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  border: 2px solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  outline: none;
  transition: all var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
}

.form-control::placeholder {
  color: var(--color-text-light);
}

.form-control:hover {
  border-color: var(--color-border);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(92, 61, 158, 0.12);
  background: var(--color-surface);
}

.form-control.has-icon {
  padding-left: 3rem;
}

.form-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.1rem;
  pointer-events: none;
  transition: color var(--transition-base);
}

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

/* Textarea */
textarea.form-control {
  min-height: 140px;
  resize: vertical;
  padding-top: 0.9rem;
}

/* Select */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236B5E8A'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2rem;
  padding-right: 2.8rem;
  cursor: pointer;
}

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

.form-check-input {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  accent-color: var(--color-primary);
  transition: all var(--transition-base);
}

.form-check-input[type="radio"] {
  border-radius: var(--border-radius-full);
}

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

/* Form Error */
.form-error {
  font-size: 0.82rem;
  color: #DC2626;
  margin-top: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.form-control.error {
  border-color: #DC2626;
}

.form-control.success {
  border-color: #16A34A;
}

/* Form Card */
.form-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-xl);
  padding: 2.5rem;
}

.form-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  max-width: 520px;
  background: var(--color-dark-bg);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--border-radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(92, 61, 158, 0.2);
  z-index: var(--z-cookie);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: slideUpIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUpIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cookie-banner-icon {
  width: 48px;
  height: 48px;
  background: rgba(232, 131, 10, 0.15);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-secondary-light);
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.cookie-banner-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.cookie-banner-text {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.cookie-banner-text a {
  color: var(--color-secondary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.cookie-banner-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cookie-banner-actions .btn {
  flex: 1;
  min-width: 120px;
  font-size: 0.88rem;
  padding: 0.6rem 1rem;
}

.cookie-btn-accept {
  background: var(--gradient-primary);
  color: white;
  border: none;
}

.cookie-btn-decline {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

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

/* ============================================
   ACCORDION / COLLAPSE
   ============================================ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.accordion-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

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

.accordion-trigger:hover {
  background: var(--color-bg-alt);
}

.accordion-item.active .accordion-trigger {
  background: rgba(92, 61, 158, 0.05);
}

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

.accordion-icon {
  width: 28px;
  height: 28px;
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 1rem;
  transition: all var(--transition-bounce);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content {
  max-height: 800px;
}

.accordion-body {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--color-border-light);
  padding-top: 1.25rem;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid-courses {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.grid-testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stat-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-heading);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================
   LOADING SPINNER & ANIMATIONS
   ============================================ */
.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--color-border-light);
  border-top-color: var(--color-primary);
  border-radius: var(--border-radius-full);
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

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

.spinner-dots {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.spinner-dots span {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: var(--border-radius-full);
  animation: bounceDot 1.2s ease-in-out infinite;
}

.spinner-dots span:nth-child(2) { animation-delay: 0.2s; }
.spinner-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounceDot {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1.2); opacity: 1; }
}

/* Keyframe Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.85; }
}

@keyframes shimmer {
  from { background-position: -200% center; }
  to { background-position: 200% center; }
}

/* Animation Utilities */
.animate-fadeIn { animation: fadeIn 0.5s ease; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease; }
.animate-fadeInLeft { animation: fadeInLeft 0.6s ease; }
.animate-fadeInRight { animation: fadeInRight 0.6s ease; }
.animate-scaleIn { animation: scaleIn 0.4s ease; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Shimmer effect */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--color-bg-alt) 0%,
    var(--color-border-light) 50%,
    var(--color-bg-alt) 100%
  );
  background-size: 200% auto;
  animation: shimmer 1.5s linear infinite;
  border-radius: var(--border-radius-sm);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
  width: 100%;
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s linear infinite;
  background-size: 200% auto;
}

/* ============================================
   BADGE COMPONENTS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-primary {
  background: rgba(92, 61, 158, 0.12);
  color: var(--color-primary);
}

.badge-secondary {
  background: rgba(232, 131, 10, 0.12);
  color: var(--color-secondary);
}

.badge-accent {
  background: rgba(20, 184, 166, 0.12);
  color: var(--color-accent-dark);
}

.badge-success {
  background: rgba(22, 163, 74, 0.1);
  color: #15803D;
}

.badge-warning {
  background: rgba(234, 179, 8, 0.1);
  color: #A16207;
}

.badge-danger {
  background: rgba(220, 38, 38, 0.1);
  color: #B91C1C;
}

/* ============================================
   TAGS
   ============================================ */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: var(--border-radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: all var(--transition-base);
}

.tag:hover,
.tag.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   AVATAR & INSTRUCTOR
   ============================================ */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.avatar-sm { width: 36px; height: 36px; }
.avatar-lg { width: 64px; height: 64px; }
.avatar-xl { width: 96px; height: 96px; }

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--color-surface);
  margin-left: -12px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ============================================
   INSTRUCTOR CARD
   ============================================ */
.instructor-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 1.75rem;
  text-align: center;
  transition: all var(--transition-base);
}

.instructor-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.instructor-avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--color-border-light);
  display: block;
  transition: border-color var(--transition-base);
}

.instructor-card:hover .instructor-avatar {
  border-color: var(--color-primary);
}

.instructor-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.instructor-specialty {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.instructor-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.83rem;
  color: var(--color-text-light);
}

.instructor-stat-val {
  font-weight: 700;
  color: var(--color-text);
}

/* ============================================
   PRICING CARDS
   ============================================ */
.pricing-card {
  background: var(--color-surface);
  border-radius: var(--border-radius-xl);
  border: 2px solid var(--color-border-light);
  padding: 2.5rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
}

.pricing-card.featured {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pricing-card-badge {
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background: var(--gradient-secondary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 2.5rem;
  transform: rotate(35deg);
  letter-spacing: 0.05em;
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.featured .pricing-name {
  color: rgba(255,255,255,0.85);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1;
  font-family: var(--font-heading);
  margin-bottom: 0.25rem;
}

.featured .pricing-price {
  color: #FFFFFF;
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.featured .pricing-period {
  color: rgba(255,255,255,0.65);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.93rem;
  color: var(--color-text-muted);
}

.featured .pricing-features li {
  color: rgba(255,255,255,0.8);
}

.pricing-features li i {
  color: var(--color-accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.featured .pricing-features li i {
  color: var(--color-secondary-light);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.87rem;
  padding: 1rem 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-light);
}

.breadcrumb-item a {
  color: var