@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&display=swap');

:root {
  --primary: #FF6B35;
  --primary-dark: #E85520;
  --primary-light: #FF8C5A;
  --secondary: #1A1A2E;
  --accent: #00C2CB;
  --accent2: #FFD700;
  --bg: #F8F7F4;
  --bg-dark: #0F0F1A;
  --white: #FFFFFF;
  --gray-100: #F4F3F0;
  --gray-200: #E8E6E1;
  --gray-400: #9B9590;
  --gray-600: #6B6560;
  --gray-800: #2D2B28;
  --success: #22C55E;
  --danger: #EF4444;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.16);
  --shadow-primary: 0 8px 32px rgba(255,107,53,0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --font-display: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font-body); }

/* ─── NAVBAR ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(248,247,244,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 2rem;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 800; font-size: 1.5rem;
  color: var(--secondary);
}
.nav-logo span { color: var(--primary); }
.nav-logo-icon {
  width: 38px; height: 38px;
  background: var(--primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.1rem; font-weight: 800;
}
.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
  font-size: 0.9rem; font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-xl);
  font-weight: 600; font-size: 0.9rem;
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline {
  border: 2px solid var(--gray-200);
  background: transparent;
  color: var(--gray-800);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255,107,53,0.4);
}
.btn-secondary {
  background: var(--secondary);
  color: white;
}
.btn-secondary:hover { background: #2a2a4a; transform: translateY(-2px); }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }
.btn-accent {
  background: var(--accent);
  color: white;
}
.btn-accent:hover { background: #00a8b0; transform: translateY(-2px); }

.cart-btn {
  position: relative;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gray-100);
  border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.cart-btn:hover { background: var(--primary); color: white; }
.cart-badge {
  position: absolute; top: -4px; right: -4px;
  width: 18px; height: 18px;
  background: var(--primary);
  color: white; font-size: 0.65rem; font-weight: 700;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--bg);
}

/* ─── HERO ─── */
.hero {
  padding: 120px 2rem 80px;
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #FFF8F5 0%, #F8F7F4 50%, #F0F8FF 100%);
}
.hero-blob {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4; pointer-events: none;
}
.hero-blob-1 { width: 600px; height: 600px; background: var(--primary); top: -200px; right: -100px; }
.hero-blob-2 { width: 400px; height: 400px; background: var(--accent); bottom: -100px; left: -100px; }

.hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: white; border: 1px solid var(--gray-200);
  padding: 0.4rem 1rem; border-radius: var(--radius-xl);
  font-size: 0.8rem; font-weight: 600; color: var(--primary);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease both;
}
.hero-badge-dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }

.hero-title {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-title .highlight {
  color: var(--primary);
  position: relative; display: inline-block;
}
.hero-title .highlight::after {
  content: ''; position: absolute; bottom: 2px; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px; opacity: 0.4;
}

.hero-subtitle {
  font-size: 1.1rem; color: var(--gray-600);
  margin-bottom: 2rem; max-width: 480px;
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-actions {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeInUp 0.6s ease 0.3s both;
}
.hero-stats {
  display: flex; gap: 2rem;
  animation: fadeInUp 0.6s ease 0.4s both;
}
.hero-stat { }
.hero-stat-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--secondary); }
.hero-stat-label { font-size: 0.8rem; color: var(--gray-400); }

.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease 0.2s both;
}
.hero-card {
  background: white; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-card-header {
  background: linear-gradient(135deg, var(--secondary), #2D2B6E);
  padding: 1.5rem; color: white;
  display: flex; align-items: center; gap: 1rem;
}
.hero-card-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.hero-card-course { font-family: var(--font-display); font-size: 0.9rem; font-weight: 600; }
.hero-card-instructor { font-size: 0.75rem; opacity: 0.7; }
.hero-card-body { padding: 1.5rem; }
.hero-progress-label { display: flex; justify-content: space-between; margin-bottom: 0.5rem; font-size: 0.85rem; }
.hero-progress-bar { height: 8px; background: var(--gray-200); border-radius: 4px; overflow: hidden; margin-bottom: 1rem; }
.hero-progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 4px; width: 65%; }
.hero-lessons { display: flex; flex-direction: column; gap: 0.5rem; }
.hero-lesson {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.6rem; border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.hero-lesson.done { background: #F0FFF4; }
.hero-lesson.active { background: #FFF5F0; font-weight: 600; }
.hero-lesson-icon { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.65rem; flex-shrink: 0; }
.hero-lesson.done .hero-lesson-icon { background: var(--success); color: white; }
.hero-lesson.active .hero-lesson-icon { background: var(--primary); color: white; }

.floating-card {
  position: absolute;
  background: white; border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.8rem; font-weight: 600;
}
.floating-card-1 { top: -20px; right: -30px; animation: float 3s ease-in-out infinite; }
.floating-card-2 { bottom: 30px; left: -40px; animation: float 3s ease-in-out infinite 1.5s; }
.floating-card-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }

/* ─── SECTIONS ─── */
.section { padding: 80px 2rem; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block;
  background: #FFF0EB; color: var(--primary);
  padding: 0.3rem 1rem; border-radius: var(--radius-xl);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.section-title { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 800; margin-bottom: 1rem; }
.section-subtitle { font-size: 1rem; color: var(--gray-600); max-width: 540px; margin: 0 auto; }

/* ─── CATEGORIES ─── */
.categories-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.category-card {
  background: white; border-radius: var(--radius-md);
  padding: 1.5rem; text-align: center;
  border: 2px solid var(--gray-200);
  transition: var(--transition);
  cursor: pointer;
}
.category-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.category-icon {
  width: 60px; height: 60px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin: 0 auto 1rem;
}
.category-name { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; margin-bottom: 0.25rem; }
.category-count { font-size: 0.8rem; color: var(--gray-400); }

/* ─── COURSE CARDS ─── */
.courses-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.course-card {
  background: white; border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.course-thumb {
  position: relative; height: 180px;
  background: linear-gradient(135deg, var(--secondary), #2D2B6E);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; overflow: hidden;
}
.course-thumb-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--primary); color: white;
  padding: 0.2rem 0.6rem; border-radius: var(--radius-xl);
  font-size: 0.7rem; font-weight: 700;
}
.course-thumb-rating {
  position: absolute; top: 12px; right: 12px;
  background: rgba(255,215,0,0.95); color: #333;
  padding: 0.2rem 0.5rem; border-radius: var(--radius-xl);
  font-size: 0.7rem; font-weight: 700;
}
.course-body { padding: 1.25rem; }
.course-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.75rem; }
.course-meta-item { display: flex; align-items: center; gap: 0.3rem; font-size: 0.75rem; color: var(--gray-400); }
.course-title {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  margin-bottom: 0.5rem; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.course-instructor { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 1rem; }
.course-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; border-top: 1px solid var(--gray-200);
}
.course-price { font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; color: var(--primary); }
.course-price-old { font-size: 0.8rem; color: var(--gray-400); text-decoration: line-through; }
.course-action-btn {
  padding: 0.45rem 1rem;
  background: var(--primary); color: white;
  border-radius: var(--radius-xl);
  font-size: 0.8rem; font-weight: 600;
  transition: var(--transition);
  border: none; cursor: pointer;
}
.course-action-btn:hover { background: var(--primary-dark); transform: scale(1.05); }

/* ─── WHY US ─── */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.why-card {
  background: white; border-radius: var(--radius-md); padding: 2rem;
  border: 1px solid var(--gray-200); transition: var(--transition);
  position: relative; overflow: hidden;
}
.why-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transition: var(--transition); transform-origin: left;
}
.why-card:hover::before { transform: scaleX(1); }
.why-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.why-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.why-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; }
.why-desc { font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; }

/* ─── TESTIMONIALS ─── */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial-card {
  background: white; border-radius: var(--radius-md); padding: 1.75rem;
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-stars { font-size: 0.9rem; margin-bottom: 1rem; }
.testimonial-text { font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
}
.testimonial-name { font-weight: 600; font-size: 0.9rem; }
.testimonial-course { font-size: 0.75rem; color: var(--gray-400); }

/* ─── CTA BANNER ─── */
.cta-banner {
  background: linear-gradient(135deg, var(--secondary) 0%, #2D2B6E 100%);
  border-radius: var(--radius-lg); padding: 4rem;
  text-align: center; color: white; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute;
  width: 300px; height: 300px; border-radius: 50%;
  background: var(--primary); opacity: 0.15;
  top: -100px; right: -50px;
}
.cta-banner-title { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; }
.cta-banner-sub { opacity: 0.8; margin-bottom: 2rem; font-size: 1.05rem; }
.cta-banner-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.btn-white { background: white; color: var(--secondary); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }

/* ─── FOOTER ─── */
.footer {
  background: var(--secondary); color: white;
  padding: 4rem 2rem 2rem;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo { margin-bottom: 1rem; }
.footer-about { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 1.5rem; }
.footer-socials { display: flex; gap: 0.75rem; }
.footer-social {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); font-size: 0.9rem;
}
.footer-social:hover { background: var(--primary); }
.footer-col-title { font-family: var(--font-display); font-weight: 700; margin-bottom: 1.25rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-newsletter p { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 1rem; }
.footer-newsletter-form { display: flex; gap: 0.5rem; }
.footer-newsletter-form input {
  flex: 1; padding: 0.65rem 1rem;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl); color: white; font-size: 0.85rem;
  font-family: var(--font-body);
}
.footer-newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
}

/* ─── PAGE HEADER ─── */
.page-header {
  background: linear-gradient(135deg, var(--secondary) 0%, #2D2B6E 100%);
  padding: 120px 2rem 60px;
  text-align: center; color: white;
}
.page-header h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 1rem; }
.page-header p { opacity: 0.8; font-size: 1.05rem; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  margin-top: 1rem; font-size: 0.85rem; opacity: 0.7;
}
.breadcrumb a:hover { opacity: 1; text-decoration: underline; }

/* ─── FILTER BAR ─── */
.filter-bar {
  background: white; border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  box-shadow: var(--shadow-sm); margin-bottom: 2rem;
  border: 1px solid var(--gray-200);
}
.filter-search {
  flex: 1; min-width: 200px;
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--gray-100); border-radius: var(--radius-xl);
  padding: 0.6rem 1rem;
}
.filter-search input {
  flex: 1; background: none; border: none; outline: none;
  font-family: var(--font-body); font-size: 0.9rem;
}
.filter-select {
  padding: 0.6rem 1rem;
  border: 1px solid var(--gray-200); border-radius: var(--radius-xl);
  background: white; font-family: var(--font-body); font-size: 0.85rem;
  color: var(--gray-600); cursor: pointer; outline: none;
}

/* ─── COURSE DETAIL ─── */
.course-detail-header {
  background: linear-gradient(135deg, var(--secondary) 0%, #1a1a4e 100%);
  padding: 110px 2rem 40px; color: white;
}
.course-detail-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 380px; gap: 3rem; align-items: start;
}
.course-detail-badge { display: inline-block; background: var(--primary); padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.75rem; font-weight: 700; margin-bottom: 1rem; }
.course-detail-title { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; line-height: 1.3; color: #ffffff; }
.course-detail-desc { opacity: 0.85; margin-bottom: 1.5rem; font-size: 0.95rem; line-height: 1.7; }
.course-detail-meta { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 1.5rem; font-size: 0.85rem; opacity: 0.8; }
.course-detail-meta span { display: flex; align-items: center; gap: 0.4rem; }
.course-detail-instructor { display: flex; align-items: center; gap: 0.75rem; }
.instructor-avatar-sm {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--primary); display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}

.course-sticky-card {
  background: white; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); overflow: hidden;
  position: sticky; top: 90px; color: var(--gray-800);
  margin-top: -120px;
}
.course-sticky-thumb {
  height: 200px; background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; position: relative;
}
.course-sticky-play {
  position: absolute;
  width: 56px; height: 56px; border-radius: 50%;
  background: white; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; box-shadow: var(--shadow-md);
  color: var(--primary);
}
.course-sticky-body { padding: 1.5rem; }
.course-sticky-price { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.course-sticky-old { font-size: 0.9rem; color: var(--gray-400); text-decoration: line-through; margin-bottom: 1.25rem; }
.course-sticky-actions { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.25rem; }
.course-sticky-features { display: flex; flex-direction: column; gap: 0.6rem; }
.course-sticky-feature { display: flex; align-items: center; gap: 0.6rem; font-size: 0.85rem; color: var(--gray-600); }

.course-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--gray-200); margin-bottom: 2rem; overflow-x: auto; }
.course-tab {
  padding: 1rem 1.5rem; font-weight: 600; font-size: 0.9rem;
  color: var(--gray-400); cursor: pointer; white-space: nowrap;
  border-bottom: 3px solid transparent; margin-bottom: -2px;
  transition: var(--transition);
}
.course-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.course-tab:hover { color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Curriculum */
.curriculum-section { margin-bottom: 1rem; }
.curriculum-section-header {
  background: var(--gray-100); padding: 1rem 1.25rem;
  border-radius: var(--radius-sm); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600;
}
.curriculum-lessons { border: 1px solid var(--gray-200); border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.curriculum-lesson {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem 1.25rem; border-bottom: 1px solid var(--gray-200);
  font-size: 0.9rem;
}
.curriculum-lesson:last-child { border-bottom: none; }
.lesson-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--gray-100); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; flex-shrink: 0; }
.lesson-title { flex: 1; }
.lesson-duration { font-size: 0.8rem; color: var(--gray-400); }
.lesson-preview { font-size: 0.75rem; color: var(--primary); font-weight: 600; }

/* ─── CART & CHECKOUT ─── */
.cart-page, .checkout-page { max-width: 1200px; margin: 0 auto; padding: 100px 2rem 60px; }
.cart-grid { display: grid; grid-template-columns: 1fr 360px; gap: 2rem; align-items: start; }
.cart-items { display: flex; flex-direction: column; gap: 1rem; }
.cart-item {
  background: white; border-radius: var(--radius-md);
  padding: 1.25rem; display: flex; gap: 1.25rem; align-items: start;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
}
.cart-item-thumb {
  width: 100px; height: 70px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--secondary), #2D2B6E);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.25rem; }
.cart-item-instructor { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 0.5rem; }
.cart-item-meta { display: flex; gap: 1rem; font-size: 0.8rem; color: var(--gray-400); }
.cart-item-price { font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; color: var(--primary); white-space: nowrap; }
.cart-item-remove { font-size: 0.8rem; color: var(--danger); cursor: pointer; margin-top: 0.5rem; background: none; border: none; }

.cart-summary {
  background: white; border-radius: var(--radius-md);
  padding: 1.75rem; border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm); position: sticky; top: 90px;
}
.cart-summary h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; margin-bottom: 1.5rem; }
.cart-summary-row { display: flex; justify-content: space-between; margin-bottom: 0.75rem; font-size: 0.9rem; }
.cart-summary-total { display: flex; justify-content: space-between; padding-top: 1rem; border-top: 2px solid var(--gray-200); font-weight: 700; font-size: 1.05rem; margin-top: 1rem; }
.cart-summary-total span:last-child { color: var(--primary); font-size: 1.3rem; }
.coupon-form { display: flex; gap: 0.5rem; margin: 1.25rem 0; }
.coupon-form input { flex: 1; padding: 0.6rem 1rem; border: 1px solid var(--gray-200); border-radius: var(--radius-xl); font-family: var(--font-body); font-size: 0.85rem; }

.checkout-grid { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; align-items: start; }
.checkout-form { background: white; border-radius: var(--radius-md); padding: 2rem; border: 1px solid var(--gray-200); }
.checkout-form h3 { font-family: var(--font-display); font-weight: 700; margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.form-group input, .form-group select {
  width: 100%; padding: 0.7rem 1rem;
  border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.9rem; outline: none;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,107,53,0.15); }

.payment-methods { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.5rem; }
.payment-method {
  border: 2px solid var(--gray-200); border-radius: var(--radius-md);
  padding: 1rem 1.25rem; cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; gap: 1rem;
}
.payment-method.selected { border-color: var(--primary); background: #FFF5F0; }
.payment-method-radio { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--gray-400); flex-shrink: 0; }
.payment-method.selected .payment-method-radio { border-color: var(--primary); background: var(--primary); }
.payment-method-name { font-weight: 600; font-size: 0.9rem; }
.payment-method-desc { font-size: 0.8rem; color: var(--gray-400); }

.bank-transfer-info {
  background: var(--gray-100); border-radius: var(--radius-md);
  padding: 1.5rem; margin-top: 1rem; display: none;
}
.bank-transfer-info.show { display: block; }
.bank-account {
  background: white; border-radius: var(--radius-sm); padding: 1rem;
  margin-bottom: 0.75rem; border: 1px solid var(--gray-200);
}
.bank-account:last-child { margin-bottom: 0; }
.bank-name { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.25rem; }
.bank-number { font-size: 1.1rem; font-weight: 800; color: var(--primary); font-family: var(--font-display); letter-spacing: 0.1em; }
.bank-holder { font-size: 0.8rem; color: var(--gray-400); }

/* ─── DASHBOARD ─── */
.dashboard-layout {
  display: flex; min-height: 100vh; padding-top: 72px;
}
.sidebar {
  width: 260px; flex-shrink: 0;
  background: var(--secondary); color: white;
  padding: 2rem 0; position: fixed; top: 72px; left: 0;
  height: calc(100vh - 72px); overflow-y: auto;
}
.sidebar-user { padding: 0 1.5rem 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 0.75rem;
}
.sidebar-name { font-family: var(--font-display); font-weight: 700; margin-bottom: 0.2rem; }
.sidebar-email { font-size: 0.75rem; opacity: 0.5; }
.sidebar-nav { padding: 1.5rem 0; }
.sidebar-nav-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1.5rem; font-size: 0.9rem;
  color: rgba(255,255,255,0.6); cursor: pointer; transition: var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav-item:hover { color: white; background: rgba(255,255,255,0.05); }
.sidebar-nav-item.active { color: white; border-left-color: var(--primary); background: rgba(255,107,53,0.15); }
.sidebar-nav-item .icon { width: 20px; text-align: center; font-size: 1rem; }

.dashboard-main { flex: 1; margin-left: 260px; padding: 2rem; }
.dashboard-header { margin-bottom: 2rem; }
.dashboard-header h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.25rem; }
.dashboard-header p { color: var(--gray-400); font-size: 0.9rem; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
  background: white; border-radius: var(--radius-md); padding: 1.5rem;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
}
.stat-card-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.stat-card-num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--secondary); margin-bottom: 0.2rem; }
.stat-card-label { font-size: 0.8rem; color: var(--gray-400); }

.my-courses-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.my-course-card {
  background: white; border-radius: var(--radius-md); padding: 1.25rem;
  display: flex; gap: 1rem; align-items: start;
  border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.my-course-card:hover { box-shadow: var(--shadow-md); }
.my-course-thumb {
  width: 90px; height: 65px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--secondary), #2D2B6E);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; flex-shrink: 0;
}
.my-course-title { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.25rem; }
.my-course-instructor { font-size: 0.75rem; color: var(--gray-400); margin-bottom: 0.75rem; }
.progress-bar { height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; margin-bottom: 0.35rem; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 3px; }
.progress-label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--gray-400); }
.my-course-action { margin-top: 0.75rem; }

/* ─── TOAST ─── */
.toast-container { position: fixed; top: 90px; right: 1.5rem; z-index: 9999; display: flex; flex-direction: column; gap: 0.5rem; }
.toast {
  background: var(--secondary); color: white;
  padding: 1rem 1.5rem; border-radius: var(--radius-md);
  display: flex; align-items: center; gap: 0.75rem;
  box-shadow: var(--shadow-lg); min-width: 280px;
  animation: slideInRight 0.4s ease;
  border-left: 4px solid var(--primary);
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

/* ─── ANIMATIONS ─── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { display: none; }
  .course-detail-inner { grid-template-columns: 1fr; }
  .course-sticky-card { position: static; margin-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .my-courses-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 1rem; }
  .nav-links { display: none; }
  .courses-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .cart-grid, .checkout-grid { grid-template-columns: 1fr; }
  .dashboard-layout { flex-direction: column; }
  .sidebar { position: static; width: 100%; height: auto; }
  .dashboard-main { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 100px 1rem 60px; }
  .section { padding: 60px 1rem; }
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.7rem; font-weight: 700; }
.badge-success { background: #DCFCE7; color: #16A34A; }
.badge-warning { background: #FEF9C3; color: #CA8A04; }
.badge-primary { background: #FFF0EB; color: var(--primary); }