@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');

/* ============================================
   ADRIVEXA - EDUCATION WEBSITE
   Custom CSS Variables & Theme
   ============================================ */

:root {
  /* Primary Color Palette - Deep Ink & Amber */
  --color-primary: #2D1B69;
  --color-primary-light: #4A2FA8;
  --color-primary-dark: #1A0F3E;
  --color-secondary: #F4A226;
  --color-secondary-light: #F7B84B;
  --color-secondary-dark: #C8821A;
  --color-accent: #E8423F;
  --color-accent-light: #F06562;
  --color-accent-soft: #FDE8E8;

  /* Neutral Tones */
  --color-background: #F9F7FF;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F0EDFF;
  --color-border: #DDD7F5;
  --color-border-soft: #EDE9FF;

  /* Text Colors */
  --color-text-primary: #1A0F3E;
  --color-text-secondary: #5B4B8A;
  --color-text-muted: #9589BE;
  --color-text-inverse: #FFFFFF;

  /* Gradient Definitions */
  --gradient-primary: linear-gradient(135deg, #2D1B69 0%, #4A2FA8 50%, #6B4FCC 100%);
  --gradient-secondary: linear-gradient(135deg, #F4A226 0%, #F7B84B 100%);
  --gradient-hero: linear-gradient(135deg, #1A0F3E 0%, #2D1B69 40%, #4A2FA8 70%, #6B4FCC 100%);
  --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #F0EDFF 100%);
  --gradient-accent: linear-gradient(135deg, #E8423F 0%, #F06562 100%);
  --gradient-warm: linear-gradient(135deg, #F4A226 0%, #E8423F 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(45, 27, 105, 0.08);
  --shadow-md: 0 4px 20px rgba(45, 27, 105, 0.12);
  --shadow-lg: 0 8px 40px rgba(45, 27, 105, 0.18);
  --shadow-xl: 0 16px 60px rgba(45, 27, 105, 0.24);
  --shadow-glow: 0 0 30px rgba(74, 47, 168, 0.35);
  --shadow-amber: 0 8px 30px rgba(244, 162, 38, 0.3);
  --shadow-card: 0 4px 24px rgba(45, 27, 105, 0.10);

  /* Typography */
  --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-padding: 5rem 0;
  --container-max: 1280px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   BASE STYLES
   ============================================ */

*,
*::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-background);
  color: var(--color-text-primary);
  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-surface-alt);
  border-radius: var(--radius-full);
}

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

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

/* ============================================
   STICKY HEADER
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 1.5rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce), box-shadow var(--transition-base);
}

.site-logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.08);
  box-shadow: var(--shadow-glow);
}

.site-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.site-logo .logo-tagline {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  margin-top: -4px;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 70%;
  height: 2px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-bounce);
}

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

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

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-surface-alt);
  font-weight: 600;
}

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-primary);
  font-size: 1.35rem;
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* Mobile Navigation */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 90vw);
  background: var(--color-surface);
  z-index: 1100;
  padding: 1.5rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 15, 62, 0.6);
  z-index: 1050;
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-alt);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition-base);
}

.mobile-menu-close:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mobile-nav-link i {
  font-size: 1.1rem;
  color: var(--color-primary-light);
}

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

/* ============================================
   BUTTON STYLES
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--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;
  outline: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  border-color: transparent;
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(74, 47, 168, 0);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(74, 47, 168, 0.15);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(244, 162, 38, 0.45);
}

.btn-secondary:active {
  transform: translateY(0);
}

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

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

/* Ghost Button */
.btn-ghost {
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-border);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Accent Button */
.btn-accent {
  background: var(--gradient-accent);
  color: white;
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(232, 66, 63, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(232, 66, 63, 0.4);
}

/* Button Sizes */
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
  border-radius: var(--radius-xl);
}

/* Icon Button */
.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: 9999;
  width: min(680px, calc(100vw - 2rem));
  background: var(--color-primary-dark);
  color: white;
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  animation: slideUpFade 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  backdrop-filter: blur(20px);
}

.cookie-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(74, 47, 168, 0.4) 0%, rgba(45, 27, 105, 0.2) 100%);
  border-radius: inherit;
  pointer-events: none;
}

.cookie-banner-icon {
  font-size: 2rem;
  flex-shrink: 0;
  filter: grayscale(0);
}

.cookie-banner-content {
  flex: 1;
}

.cookie-banner-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.25rem;
}

.cookie-banner-text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.cookie-banner-text a {
  color: var(--color-secondary-light);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.cookie-banner-text a:hover {
  color: white;
  text-decoration: underline;
}

.cookie-banner-actions {
  display: flex;
  gap: 0.625rem;
  flex-shrink: 0;
}

.cookie-accept {
  background: var(--gradient-secondary);
  color: var(--color-primary-dark);
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-bounce);
  white-space: nowrap;
}

.cookie-accept:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-amber);
}

.cookie-decline {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.cookie-decline:hover {
  background: rgba(255, 255, 255, 0.18);
  color: white;
}

/* ============================================
   FORM STYLES
   ============================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.form-label.required::after {
  content: '*';
  color: var(--color-accent);
  font-size: 1rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-family: var(--font-body);
  outline: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary-light);
  background: var(--color-surface);
  box-shadow: 0 0 0 4px rgba(74, 47, 168, 0.1);
}

.form-input:hover:not(:focus),
.form-textarea:hover:not(:focus),
.form-select:hover:not(:focus) {
  border-color: var(--color-primary-light);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235B4B8A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Input with icon */
.input-wrapper {
  position: relative;
}

.input-wrapper .input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: color var(--transition-base);
  pointer-events: none;
}

.input-wrapper .form-input {
  padding-left: 2.75rem;
}

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

/* Input States */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: #22C55E;
  background: #F0FDF4;
}

.form-error {
  font-size: 0.78rem;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 500;
  margin-top: 0.25rem;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin-top: 2px;
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  line-height: 1.5;
}

/* Range Slider */
.form-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

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

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

/* ============================================
   HERO SECTION
   ============================================ */

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

.hero-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(107, 79, 204, 0.25) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(244, 162, 38, 0.12) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(244, 162, 38, 0.15);
  color: var(--color-secondary-light);
  border: 1px solid rgba(244, 162, 38, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  color: white;
  line-height: 1.15;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

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

.hero-description {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  display: block;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* Floating Elements */
.hero-floating-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  animation: floatUpDown 3s ease-in-out infinite;
}

/* ============================================
   SECTION STYLES
   ============================================ */

.section {
  padding: var(--section-padding);
}

.section-alt {
  background: var(--color-surface-alt);
}

.section-dark {
  background: var(--color-primary-dark);
  color: white;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-surface-alt);
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
}

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

.section-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ============================================
   CARD STYLES
   ============================================ */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-soft);
  transition: all var(--transition-slow);
  position: relative;
}

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

/* Course Card */
.course-card {
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-slow);
  cursor: pointer;
}

.course-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-xl);
  border-color: rgba(74, 47, 168, 0.2);
}

.course-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--gradient-primary);
}

.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-badge {
  position: absolute;
  top: 0.875rem;
  left: 0.875rem;
  background: var(--gradient-secondary);
  color: var(--color-primary-dark);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.course-card-category {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.course-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.35;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  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-soft);
}

.course-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
}

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

/* Feature Card */
.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--color-border-soft);
  transition: all var(--transition-slow);
  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-base);
  transform-origin: left;
}

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

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary-light);
  margin-bottom: 1.25rem;
  transition: all var(--transition-bounce);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  color: white;
  transform: scale(1.1) rotate(-5deg);
  box-shadow: var(--shadow-glow);
}

/* Instructor Card */
.instructor-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-slow);
}

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

.instructor-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  position: relative;
  overflow: hidden;
  border: 4px solid var(--color-border-soft);
  transition: border-color var(--transition-base);
}

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

.instructor-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Testimonial Card */
.testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-slow);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-size: 5rem;
  font-weight: 900;
  color: var(--color-border);
  line-height: 1;
  font-family: Georgia, serif;
  pointer-events: none;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(74, 47, 168, 0.15);
}

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

/* Stats Card */
.stats-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 2rem;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stats-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 50%;
}

.stats-number {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 1.75rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: 1.5rem;
}

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: 1.5rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

/* ============================================
   ACCORDION / COLLAPSE STYLES
   ============================================ */

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.accordion-item.open {
  box-shadow: var(--shadow-md);
  border-color: rgba(74, 47, 168, 0.2);
}

.accordion-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  transition: all var(--transition-base);
  font-family: var(--font-body);
}

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

.accordion-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: var(--color-surface-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  font-size: 0.85rem;
  transition: all var(--transition-bounce);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.open .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  border-top: 1px solid var(--color-border-soft);
  padding-top: 1rem;
  margin-top: 0;
}

/* ============================================
   TABS
   ============================================ */

.tabs-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-soft);
}

.tabs-nav {
  display: flex;
  background: var(--color-surface-alt);
  padding: 0.5rem;
  gap: 0.25rem;
  border-bottom: 1px solid var(--color-border-soft);
  overflow-x: auto;
}

.tab-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: var(--font-body);
}

.tab-btn:hover {
  color: var(--color-primary);
  background: var(--color-surface);
}

.tab-btn.active {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.tab-content {
  padding: 2rem;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

/* ============================================
   PROGRESS BAR
   ============================================ */

.progress-bar {
  background: var(--color-border);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
}

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

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 1.8s ease-in-out infinite;
}

/* ============================================
   BADGE & TAGS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
}

.badge-primary {
  background: rgba(74, 47, 168, 0.1);
  color: var(--color-primary-light);
  border: 1px solid rgba(74, 47, 168, 0.15);
}

.badge-secondary {
  background: rgba(244, 162, 38, 0.12);
  color: var(--color-secondary-dark);
  border: 1px solid rgba(244, 162, 38, 0.2);
}

.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: #16A34A;
  border: 1px solid rgba(34, 197, 94, 0.15);
}

.badge-accent {
  background: rgba(232, 66, 63, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(232, 66, 63, 0.15);
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
  width: 44px;
  height: 44px;
  display: inline-block;
  position: relative;
}

.spinner::before,
.spinner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.spinner::before {
  border: 3px solid var(--color-border);
}

.spinner::after {
  border: 3px solid transparent;
  border-top-color: var(--color-primary);
  border-right-color: var(--color-secondary);
  animation: spin 0.8s linear infinite;
}

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

.spinner-sm::before { border-width: 2px; }
.spinner-sm::after { border-width: 2px; }

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

/* Page Loader */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  z-index: 99999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  font-size: 2rem;
  font-weight: 900;
  color: white;
  letter-spacing: -0.04em;
}

.loader-bar {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
  animation: loadBar 1.5s ease forwards;
}

/* ============================================
   NOTIFICATION / TOAST
   ============================================ */

.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 360px;
}

.toast {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-soft);
  animation: slideInRight 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
}

.toast.success::before { background: linear-gradient(180deg, #22C55E, #16A34A); }
.toast.error::before { background: var(--gradient-accent); }
.toast.warning::before { background: var(--gradient-secondary); }

.toast-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

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

.toast-message {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* ============================================
   SEARCH BAR
   ============================================ */

.search-bar {
  display: flex;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.search-bar:focus-within {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md), 0 0 0 4px rgba(74, 47, 168, 0.1);
}

.search-input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  font-size: 0.9rem;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text-primary);
  font-family: var(--font-body);
}

.search-btn {
  padding: 0.875rem 1.5rem;
  background: var(--gradient-primary);
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.search-btn:hover {
  background: var(--gradient-warm);
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

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

.breadcrumbs .separator {
  color: var(--color-text-muted);
  font-size: 0.7rem;
}

.breadcrumbs .current {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ============================================
   PRICING CARDS
   ============================================ */

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 2px solid var(--color-border-soft);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: scale(1.04);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 1.25rem;
  right: -2rem;
  background: var(--gradient-secondary);
  color: var(--color-primary-dark);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.25rem 2.5rem;
  transform: rotate(35deg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: 130px;
  text-align: center;
}

.pricing-card:not(.featured):hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(74, 47, 168, 0.2);
}

.pricing-amount {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing-period {
  font-size: 0.85rem;
  opacity: 0.7;
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
}

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