@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');

/* ============================================
   ADRIORYX - Education Website CSS
   ============================================ */

/* CSS Variables - Unique Color Scheme */
:root {
  --primary: #6C3FC5;
  --primary-light: #8B5CF6;
  --primary-dark: #4C2A8A;
  --secondary: #F97316;
  --secondary-light: #FB923C;
  --secondary-dark: #C2570F;
  --accent: #06B6D4;
  --accent-light: #22D3EE;
  --accent-dark: #0891B2;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --bg-primary: #0F0A1E;
  --bg-secondary: #1A1035;
  --bg-card: #231848;
  --bg-light: #F5F0FF;
  --text-primary: #1A0A3C;
  --text-secondary: #6B7280;
  --text-light: #F9F5FF;
  --text-muted: #9CA3AF;
  --border-color: #3D2A72;
  --border-light: #E5D9FF;
  --shadow-sm: 0 2px 8px rgba(108, 63, 197, 0.12);
  --shadow-md: 0 4px 20px rgba(108, 63, 197, 0.2);
  --shadow-lg: 0 8px 40px rgba(108, 63, 197, 0.3);
  --shadow-glow: 0 0 30px rgba(108, 63, 197, 0.4);
  --gradient-primary: linear-gradient(135deg, #6C3FC5 0%, #8B5CF6 50%, #06B6D4 100%);
  --gradient-secondary: linear-gradient(135deg, #F97316 0%, #FBBF24 100%);
  --gradient-hero: linear-gradient(135deg, #0F0A1E 0%, #1A1035 40%, #231848 100%);
  --gradient-card: linear-gradient(145deg, #231848 0%, #1A1035 100%);
  --gradient-light: linear-gradient(135deg, #F5F0FF 0%, #EDE9FE 100%);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;
}

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

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-secondary);
}

/* Selection */
::selection {
  background-color: var(--primary-light);
  color: #fff;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

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

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 10, 30, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(108, 63, 197, 0.2);
  transition: all var(--transition-base);
  padding: 0;
}

.site-header.scrolled {
  background: rgba(15, 10, 30, 0.98);
  border-bottom-color: rgba(108, 63, 197, 0.4);
  box-shadow: var(--shadow-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  gap: 2rem;
}

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

.site-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.site-logo .logo-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
  animation: logo-shine 3s infinite;
}

@keyframes logo-shine {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

.site-logo .logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

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

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

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-link:hover {
  color: #fff;
  background: rgba(108, 63, 197, 0.15);
}

.nav-link:hover::after {
  left: 1rem;
  right: 1rem;
}

.nav-link.active {
  color: #fff;
  background: rgba(108, 63, 197, 0.2);
}

.nav-link.active::after {
  left: 1rem;
  right: 1rem;
}

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

/* Hamburger Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  background: rgba(108, 63, 197, 0.2);
  border: 1px solid rgba(108, 63, 197, 0.4);
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 5px;
  transition: all var(--transition-base);
  padding: 0;
}

.mobile-menu-btn:hover {
  background: rgba(108, 63, 197, 0.4);
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  background: rgba(15, 10, 30, 0.98);
  border-top: 1px solid rgba(108, 63, 197, 0.2);
  padding: 1rem 0;
  animation: slideDown var(--transition-base);
}

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

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.875rem 2rem;
  transition: all var(--transition-base);
  border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
  color: #fff;
  background: rgba(108, 63, 197, 0.15);
  border-left-color: var(--primary-light);
}

.mobile-nav-link i {
  font-size: 1.2rem;
  color: var(--primary-light);
}

/* Dropdown Navigation */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: rgba(26, 16, 53, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(108, 63, 197, 0.3);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px);
  transition: all var(--transition-base);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.nav-dropdown-item:hover {
  color: #fff;
  background: rgba(108, 63, 197, 0.2);
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 63, 197, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(108, 63, 197, 0.6);
  transform: translateY(-2px);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 20px rgba(108, 63, 197, 0.4);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
}

.btn-secondary:hover {
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.6);
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-ghost {
  background: rgba(108, 63, 197, 0.1);
  color: var(--primary);
  border: 1px solid rgba(108, 63, 197, 0.2);
}

.btn-ghost:hover {
  background: rgba(108, 63, 197, 0.2);
  border-color: rgba(108, 63, 197, 0.4);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

.btn-xl {
  padding: 1.2rem 3rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.btn-icon-lg {
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ============================================
   COOKIE BANNER
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: calc(100% - 3rem);
  max-width: 900px;
  background: rgba(26, 16, 53, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(108, 63, 197, 0.4);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(108, 63, 197, 0.1);
  animation: cookieSlideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cookieSlideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.cookie-content {
  flex: 1;
  min-width: 200px;
}

.cookie-content h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.cookie-content p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
  line-height: 1.5;
}

.cookie-content a {
  color: var(--primary-light);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.cookie-content a:hover {
  color: var(--accent-light);
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-btn-accept {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(108, 63, 197, 0.4);
  white-space: nowrap;
}

.cookie-btn-accept:hover {
  box-shadow: 0 8px 25px rgba(108, 63, 197, 0.6);
  transform: translateY(-2px);
}

.cookie-btn-decline {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.cookie-btn-decline:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.cookie-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.9rem;
}

.cookie-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}

.form-label-light {
  color: rgba(255, 255, 255, 0.85);
}

.form-label span.required {
  color: var(--danger);
  margin-left: 0.2rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: #fff;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

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

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(108, 63, 197, 0.15);
  background: #fff;
}

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

.form-control-dark {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(108, 63, 197, 0.3);
  color: #fff;
}

.form-control-dark:hover {
  border-color: rgba(108, 63, 197, 0.6);
  background: rgba(255, 255, 255, 0.1);
}

.form-control-dark:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 4px rgba(108, 63, 197, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.form-control-dark::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%236C3FC5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 20px;
  padding-right: 3rem;
  cursor: pointer;
}

.form-icon {
  position: relative;
}

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

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

.form-icon .form-control:focus + .icon,
.form-icon:focus-within .icon {
  color: var(--primary);
}

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

.form-error {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.form-success {
  font-size: 0.8rem;
  color: var(--success);
  margin-top: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.form-control.is-error {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.form-control.is-success {
  border-color: var(--success);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

/* Custom Checkbox */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--transition-base);
}

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

.form-check-input:checked::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

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

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

/* Custom Radio */
.form-radio {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.form-radio-input {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-radius: 50%;
  background: #fff;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

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

.form-radio-input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

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

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

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(108, 63, 197, 0.5);
}

/* Form Card */
.form-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: 0 10px 60px rgba(108, 63, 197, 0.12);
  border: 1px solid var(--border-light);
}

.form-card-dark {
  background: var(--bg-card);
  border-color: rgba(108, 63, 197, 0.2);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

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

.form-divider span {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

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

.hero-section {
  min-height: 100vh;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero-bg-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 350px;
  height: 350px;
  background: var(--secondary);
  bottom: -100px;
  left: -100px;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 250px;
  height: 250px;
  background: var(--accent);
  top: 50%;
  left: 40%;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(108, 63, 197, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 63, 197, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(108, 63, 197, 0.2);
  border: 1px solid rgba(108, 63, 197, 0.4);
  border-radius: var(--radius-full);
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.6s ease;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
  animation: fadeInUp 0.7s ease 0.2s both;
}

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

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.7s ease 0.4s both;
  flex-wrap: wrap;
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.25rem;
}

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

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

.card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 63, 197, 0.2);
}

.card-dark {
  background: var(--gradient-card);
  border-color: rgba(108, 63, 197, 0.2);
}

.card-dark:hover {
  border-color: rgba(108, 63, 197, 0.5);
  box-shadow: 0 20px 50px rgba(108, 63, 197, 0.25);
}

.card-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

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

.card-body {
  padding: 1.75rem;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(108, 63, 197, 0.1);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.card-tag-secondary {
  background: rgba(249, 115, 22, 0.1);
  color: var(--secondary);
}

.card-tag-accent {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-dark);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.4;
  transition: color var(--transition-base);
}

.card:hover .card-title {
  color: var(--primary);
}

.card-title-light {
  color: #fff;
}

.card:hover .card-title-light {
  color: var(--primary-light);
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-text-light {
  color: rgba(255, 255, 255, 0.65);
}

.card-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-footer-dark {
  border-top-color: rgba(108, 63, 197, 0.2);
}

/* Course Card Specific */
.course-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 60px rgba(108, 63, 197, 0.2);
  border-color: rgba(108, 63, 197, 0.3);
}

.course-card-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.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(1.08);
}

.course-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(15, 10, 30, 0.8) 100%);
}

.course-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.3rem;
  transition: all var(--transition-base);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.course-card:hover .course-card-play {
  transform: translate(-50%, -50%) scale(1);
}

.course-card-level {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 10, 30, 0.8);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.course-card-wishlist {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: rgba(15, 10, 30, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1rem;
}

.course-card-wishlist:hover {
  background: rgba(239, 68, 68, 0.9);
  color: #fff;
  border-color: transparent;
}

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

.course-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.course-card-category {
  display: inline-flex;
  align-items: center;
  background: rgba(108, 63, 197, 0.1);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.course-card-rating {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--warning);
  font-size: 0.85rem;
  font-weight: 600;
}

.course-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-instructor {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.course-card-instructor img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.course-card-stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

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

.course-card-stat i {
  font-size: 1rem;
  color: var(--primary-light);
}

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

.course-price {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.course-price-original {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-left: 0.3rem;
}

.course-price-free {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--success);
}

/* Feature Card */
.feature-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108, 63, 197, 0.2);
}

.feature-card-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.5rem;
  transition: all var(--transition-base);
}

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

.icon-primary {
  background: rgba(108, 63, 197, 0.1);
  color: var(--primary);
}

.icon-secondary {
  background: rgba(249, 115, 22, 0.1);
  color: var(--secondary);
}

.icon-accent {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-dark);
}

.icon-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.icon-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

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

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 5rem;
  font-family: Georgia, serif;
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
}

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

.testimonial-stars {
  display: flex;
  gap: 0.2rem;
  margin-bottom: 1rem;
  color: var(--warning);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-light);
}

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

.testimonial-role {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Instructor Card */
.instructor-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  text-align: center;
}

.instructor-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.instructor-card-header {
  padding: 2rem 2rem 0;
  background: var(--gradient-light);
}

.instructor-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: var(--shadow-md);
  margin-bottom: 1rem;
}

.instructor-card-body {
  padding: 1.25rem 2rem 2rem;
}

.instructor-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

.instructor-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.instructor-stat strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Pricing Card */
.pricing-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 2px solid var(--border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

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

.pricing-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--gradient-secondary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-tier {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 1rem;
}

.pricing-card.featured .pricing-tier {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-amount {
  display: flex;
  align-items: flex-end;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 2;
}

.pricing-card.featured .pricing-currency {
  color: #fff;
}

.pricing-price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-card.featured .pricing-price {
  color: #fff;
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.pricing-card.featured .pricing-period {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-light);
}

.pricing-card.featured .pricing-description {
  color: rgba(255, 255, 255, 0.8);
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
}

.pricing-feature i {
  color: var(--success);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pricing-feature.disabled {