/* ============================================
   Price Action Mastery — Trading Academy
   Professional dark trading education theme
   ============================================ */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2332;
  --bg-card: #151b2c;
  --bg-elevated: #1e2638;
  --border: #2a3447;
  --border-light: #3a455e;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --bull: #10b981;
  --bull-glow: rgba(16, 185, 129, 0.25);
  --bear: #ef4444;
  --bear-glow: rgba(239, 68, 68, 0.25);
  --gold: #fbbf24;
  --gold-glow: rgba(251, 191, 36, 0.2);
  --blue: #3b82f6;
  --purple: #8b5cf6;

  --gradient-primary: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  --gradient-bull: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-bear: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  --gradient-hero: linear-gradient(135deg, #0a0e17 0%, #1a1042 50%, #0a0e17 100%);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.15);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { color: var(--text-secondary); }
a { color: var(--blue); text-decoration: none; transition: 0.2s; }
a:hover { color: var(--bull); }
code, .mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 0.9em; }

/* ====== LAYOUT ====== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section-sm { padding: 48px 0; }
.grid { display: grid; gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-bull { color: var(--bull); }
.text-bear { color: var(--bear); }
.text-gold { color: var(--gold); }

/* ====== NAVBAR ====== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.navbar-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; }
.logo-mark {
  width: 36px; height: 36px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; color: #000; font-size: 1.1rem;
  box-shadow: var(--shadow-glow);
}
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a { color: var(--text-secondary); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text-primary); }

/* ====== BUTTONS ====== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  border: none; transition: all 0.2s; white-space: nowrap;
  text-decoration: none;
}
.btn-primary { background: var(--gradient-primary); color: #000; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(16,185,129,0.35); }
.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-light); }
.btn-secondary:hover { background: var(--bg-tertiary); border-color: var(--bull); }
.btn-ghost { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-card); border-color: var(--bull); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ====== HERO ====== */
.hero {
  position: relative; overflow: hidden;
  padding: 100px 0 60px;
  background: var(--gradient-hero);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(16,185,129,0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(59,130,246,0.08) 0%, transparent 40%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  color: var(--bull); font-size: 0.85rem; font-weight: 600;
  margin-bottom: 20px;
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--bull); border-radius: 50%; box-shadow: 0 0 8px var(--bull); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero h1 { margin-bottom: 24px; }
.hero h1 .gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 32px; max-width: 540px; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; }
.hero-stat-value { font-size: 1.8rem; font-weight: 800; color: var(--bull); }
.hero-stat-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-image {
  position: relative; aspect-ratio: 4/3;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-image-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,14,23,0.6) 100%);
}

/* ====== TICKER ====== */
.ticker {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  overflow: hidden;
}
.ticker-track { display: flex; gap: 60px; animation: scroll 30s linear infinite; white-space: nowrap; }
.ticker-item { display: flex; align-items: center; gap: 8px; font-family: 'JetBrains Mono', monospace; font-size: 0.9rem; }
.ticker-symbol { color: var(--text-primary); font-weight: 700; }
.ticker-price { color: var(--text-secondary); }
.ticker-change.up { color: var(--bull); }
.ticker-change.down { color: var(--bear); }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ====== STATS BAR ====== */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: -40px; position: relative; z-index: 2; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  text-align: center; box-shadow: var(--shadow-md);
}
.stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elevated); margin-bottom: 12px;
}
.stat-value { font-size: 2rem; font-weight: 800; margin-bottom: 4px; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ====== SECTION HEADERS ====== */
.section-header { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-eyebrow {
  display: inline-block; color: var(--bull);
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.15em; margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-desc { font-size: 1.1rem; color: var(--text-secondary); }

/* ====== CURRICULUM ====== */
.curriculum-tabs {
  display: flex; gap: 8px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 20px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 999px;
  color: var(--text-secondary); font-weight: 600; cursor: pointer; font-size: 0.9rem;
  transition: all 0.2s;
}
.tab-btn.active { background: var(--gradient-primary); color: #000; border-color: transparent; }
.tab-btn:hover:not(.active) { border-color: var(--bull); color: var(--text-primary); }

.modules-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.module-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: all 0.3s; cursor: pointer; position: relative; overflow: hidden;
}
.module-card::before {
  content: ''; position: absolute; top: 0; left: 0; height: 3px; width: 0;
  background: var(--gradient-primary); transition: width 0.3s;
}
.module-card:hover { border-color: var(--bull); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.module-card:hover::before { width: 100%; }
.module-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.module-num {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--bull); font-size: 1.1rem;
}
.module-meta { display: flex; gap: 12px; font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.module-meta span { display: flex; align-items: center; gap: 4px; }
.module-card h3 { margin-bottom: 8px; font-size: 1.15rem; }
.module-card p { font-size: 0.9rem; margin-bottom: 12px; }
.module-chapters { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.module-chapter {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  background: var(--bg-secondary); border-radius: 8px; font-size: 0.85rem;
  color: var(--text-secondary); border: 1px solid transparent; cursor: pointer;
  transition: all 0.2s;
}
.module-chapter:hover { background: var(--bg-elevated); color: var(--text-primary); border-color: var(--border); }
.module-chapter.completed { color: var(--bull); }
.module-chapter.completed::before { content: '✓'; color: var(--bull); font-weight: 700; }
.module-chapter.locked { opacity: 0.5; cursor: not-allowed; }

/* ====== FEATURES ====== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: all 0.3s;
}
.feature-card:hover { border-color: var(--bull); transform: translateY(-4px); }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-icon.bull { background: var(--bull-glow); color: var(--bull); }
.feature-icon.bear { background: var(--bear-glow); color: var(--bear); }
.feature-icon.gold { background: var(--gold-glow); color: var(--gold); }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; }

/* ====== INSTRUCTOR ====== */
.instructor { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: center; }
.instructor-photo {
  aspect-ratio: 1; border-radius: var(--radius-xl);
  background: var(--bg-card); border: 1px solid var(--border);
  overflow: hidden; position: relative;
}
.instructor-photo img { width: 100%; height: 100%; object-fit: cover; }
.instructor-credentials { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.credential { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border); }
.credential-badge { width: 32px; height: 32px; border-radius: 8px; background: var(--bull-glow); color: var(--bull); display: flex; align-items: center; justify-content: center; font-weight: 700; }

/* ====== TESTIMONIALS ====== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  position: relative;
}
.testimonial-quote {
  position: absolute; top: 20px; right: 24px;
  font-size: 3rem; color: var(--border-light); font-family: serif; line-height: 1;
}
.testimonial-stars { color: var(--gold); margin-bottom: 12px; font-size: 1.1rem; }
.testimonial-text { font-style: italic; margin-bottom: 20px; color: var(--text-primary); font-size: 0.95rem; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-primary); color: #000;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.testimonial-name { font-weight: 700; font-size: 0.9rem; }
.testimonial-role { font-size: 0.8rem; color: var(--text-muted); }

/* ====== PRICING ====== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px;
  position: relative; transition: all 0.3s;
}
.price-card.featured {
  border-color: var(--bull); transform: scale(1.04);
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(16,185,129,0.04) 100%);
  box-shadow: 0 0 0 1px var(--bull), 0 20px 50px rgba(16,185,129,0.15);
}
.price-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-primary); color: #000;
  padding: 6px 16px; border-radius: 999px; font-size: 0.75rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.price-name { font-size: 1rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 8px; }
.price-currency { font-size: 1.4rem; color: var(--text-muted); }
.price-value { font-size: 3rem; font-weight: 800; }
.price-period { color: var(--text-muted); font-size: 0.9rem; }
.price-features { list-style: none; margin: 24px 0; display: flex; flex-direction: column; gap: 10px; }
.price-features li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--text-secondary); }
.price-features li::before { content: '✓'; color: var(--bull); font-weight: 700; }

/* ====== FAQ ====== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
}
.faq-question {
  width: 100%; padding: 20px 24px; background: transparent;
  border: none; color: var(--text-primary); font-size: 1rem; font-weight: 600;
  text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.faq-icon { transition: transform 0.3s; color: var(--bull); font-size: 1.3rem; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s, padding 0.3s;
  padding: 0 24px; color: var(--text-secondary); font-size: 0.95rem;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 24px 20px; }

/* ====== CTA SECTION ====== */
.cta {
  background: linear-gradient(135deg, rgba(16,185,129,0.1) 0%, rgba(59,130,246,0.1) 100%);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: 60px 40px; text-align: center; margin: 60px 0;
}

/* ====== FOOTER ====== */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 60px 0 30px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; color: var(--text-primary); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: 0.9rem; }
.footer-col a:hover { color: var(--bull); }
.footer-bottom { padding-top: 30px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; color: var(--text-muted); font-size: 0.85rem; }

/* ====== MODAL / LESSON VIEWER ====== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; transition: opacity 0.3s;
}
.modal-overlay.active { display: flex; opacity: 1; }
.modal {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-xl); width: 100%; max-width: 1100px;
  max-height: 90vh; overflow: hidden;
  display: flex; flex-direction: column;
  transform: translateY(20px); transition: transform 0.3s;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.modal-title { font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 12px; }
.modal-close {
  width: 36px; height: 36px; border-radius: 8px; background: var(--bg-elevated);
  border: 1px solid var(--border); color: var(--text-primary); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.modal-close:hover { background: var(--bear); border-color: var(--bear); }
.modal-body { flex: 1; overflow-y: auto; display: grid; grid-template-columns: 1fr 280px; }
.lesson-content { padding: 40px 48px; overflow-y: auto; }
.lesson-sidebar { background: var(--bg-secondary); border-left: 1px solid var(--border); overflow-y: auto; padding: 20px; }
.lesson-progress-bar {
  position: sticky; top: 0; background: var(--bg-secondary);
  padding: 12px 20px; border-bottom: 1px solid var(--border); margin: -20px -20px 20px;
}
.progress-bar { height: 4px; background: var(--bg-elevated); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--gradient-primary); width: 0; transition: width 0.3s; }

.lesson h1 { font-size: 2rem; margin-bottom: 8px; }
.lesson-meta { display: flex; gap: 16px; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 32px; }
.lesson h2 { font-size: 1.4rem; margin: 32px 0 16px; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }
.lesson h2 .h2-num { color: var(--bull); font-weight: 800; }
.lesson h3 { font-size: 1.1rem; margin: 20px 0 10px; }
.lesson p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.75; }
.lesson ul, .lesson ol { margin: 16px 0 16px 24px; color: var(--text-secondary); }
.lesson li { margin-bottom: 8px; line-height: 1.7; }
.lesson strong { color: var(--text-primary); }
.lesson .callout {
  background: var(--bg-card); border-left: 3px solid var(--bull);
  padding: 16px 20px; border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 20px 0;
}
.lesson .callout.warn { border-left-color: var(--bear); }
.lesson .callout.gold { border-left-color: var(--gold); }
.lesson .callout-title { font-weight: 700; margin-bottom: 6px; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.lesson .callout p { margin: 0; }
.lesson .chart-frame {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px; margin: 20px 0;
}
.lesson .chart-frame svg { width: 100%; height: auto; display: block; }
.lesson .chart-caption { text-align: center; font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }
.lesson .key-points { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 24px; margin: 24px 0; }
.lesson .key-points h4 { color: var(--bull); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.lesson .key-points ul { margin: 0; padding-left: 0; list-style: none; }
.lesson .key-points li { padding-left: 24px; position: relative; margin-bottom: 8px; }
.lesson .key-points li::before { content: '→'; color: var(--bull); position: absolute; left: 0; font-weight: 700; }

.lesson-nav { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; margin-top: 40px; border-top: 1px solid var(--border); gap: 12px; }

.sidebar-section { margin-bottom: 20px; }
.sidebar-section h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 12px; padding-left: 8px; }
.sidebar-lesson {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border-radius: 8px; cursor: pointer; font-size: 0.85rem; color: var(--text-secondary);
  border: 1px solid transparent; transition: all 0.2s; margin-bottom: 4px;
}
.sidebar-lesson:hover { background: var(--bg-elevated); color: var(--text-primary); }
.sidebar-lesson.active { background: var(--bg-elevated); color: var(--text-primary); border-color: var(--bull); }
.sidebar-lesson .check {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  background: var(--bg-elevated); border: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: center; font-size: 0.7rem; color: transparent;
}
.sidebar-lesson.completed .check { background: var(--bull); border-color: var(--bull); color: #000; }

/* ====== QUIZ ====== */
.quiz-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; margin: 32px 0; }
.quiz-section h3 { color: var(--gold); margin-bottom: 20px; }
.quiz-question { margin-bottom: 24px; }
.quiz-q-text { font-weight: 600; margin-bottom: 12px; color: var(--text-primary); }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-md); cursor: pointer; transition: all 0.2s;
}
.quiz-option:hover { border-color: var(--bull); background: var(--bg-elevated); }
.quiz-option.selected { border-color: var(--gold); background: rgba(251,191,36,0.08); }
.quiz-option.correct { border-color: var(--bull); background: rgba(16,185,129,0.1); }
.quiz-option.wrong { border-color: var(--bear); background: rgba(239,68,68,0.1); }
.quiz-option input { accent-color: var(--bull); }
.quiz-result { padding: 16px; border-radius: var(--radius-md); margin-top: 16px; font-weight: 600; display: none; }
.quiz-result.show { display: block; }
.quiz-result.pass { background: rgba(16,185,129,0.1); color: var(--bull); border: 1px solid var(--bull); }
.quiz-result.fail { background: rgba(239,68,68,0.1); color: var(--bear); border: 1px solid var(--bear); }

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .instructor { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .modal-body { grid-template-columns: 1fr; }
  .lesson-sidebar { display: none; }
  .lesson-content { padding: 24px; }
  .nav-links { display: none; }
}
@media (max-width: 500px) {
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .section { padding: 60px 0; }
}

/* ====== UTILITIES ====== */
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; } .mb-8 { margin-bottom: 32px; }
.gap-2 { gap: 8px; } .gap-4 { gap: 16px; }

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--bull); }