/* ============================================
   CORPR WEBSITE — Design System
   Colors from iOS app Color+Theme.swift
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-main: #0D0F14;
  --bg-secondary: #131722;
  --bg-elevated: #181D2A;
  --bg-hover: #1D2332;
  --border-subtle: #232938;
  --primary: #0A84FF;
  --primary-hover: #339CFF;
  --primary-soft: #11263D;
  --primary-glow: #4DA3FF;
  --text-primary: #F5F7FA;
  --text-secondary: #B2BAC8;
  --text-muted: #7D8696;
  --bull-green: #30D158;
  --bear-red: #FF453A;
  --warning: #FF9F0A;
  --graph-purple: #BF5AF2;
  --graph-cyan: #64D2FF;
  --info-blue: #3498DB;
  --teal: #1ABC9C;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }

/* ---- NAV ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 48px; height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(13,15,20,0.75);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(35,41,56,0.5);
  transition: all 0.3s ease;
}
.nav.scrolled { background: rgba(13,15,20,0.95); }
.nav-logo {
  font-size: 24px; font-weight: 800; letter-spacing: -1px;
  color: var(--text-primary);
}
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--primary); font-weight: 700; }
.nav-cta {
  padding: 10px 24px; border-radius: 12px; font-size: 14px; font-weight: 700;
  background: var(--primary); color: #fff !important;
  transition: all 0.3s ease;
}
.nav-cta:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(10,132,255,0.3); }

.nav-hamburger { display: none; flex-direction: column; gap: 5px; background: none; padding: 8px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: 0.3s; }

/* ---- HERO ---- */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 120px 48px 80px; position: relative; overflow: hidden;
}
.hero-bg-glow {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(10,132,255,0.15) 0%, transparent 70%);
  top: 10%; left: 50%; transform: translateX(-50%);
  animation: pulse-glow 6s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.15); }
}
.hero-content {
  max-width: 1200px; width: 100%; display: flex; align-items: center;
  gap: 80px; position: relative; z-index: 2;
}
.hero-text { flex: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 100px; font-size: 13px; font-weight: 600;
  background: var(--primary-soft); color: var(--primary); border: 1px solid rgba(10,132,255,0.2);
  margin-bottom: 24px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--bull-green); animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-title {
  font-size: 64px; font-weight: 900; letter-spacing: -2px; line-height: 1.05; margin-bottom: 24px;
}
.hero-title .gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--graph-cyan) 50%, var(--graph-purple) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px; color: var(--text-secondary); line-height: 1.7; max-width: 500px; margin-bottom: 40px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: 16px; font-size: 16px; font-weight: 700;
  background: var(--primary); color: #fff;
  transition: all 0.3s ease;
  box-shadow: 0 4px 24px rgba(10,132,255,0.25);
}
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(10,132,255,0.4); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: 16px; font-size: 16px; font-weight: 600;
  background: var(--bg-elevated); color: var(--text-secondary);
  border: 1px solid var(--border-subtle); transition: all 0.3s ease;
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--text-muted); }

.hero-mockup { flex: 0 0 650px; position: relative; }
.hero-mockup video {
  width: 100%;
  animation: float 6s ease-in-out infinite;
  background: transparent;
}
.hero-mockup img {
  width: 100%;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* ---- TICKER BAR ---- */
.ticker-bar {
  overflow: hidden; background: var(--bg-secondary); border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle); padding: 16px 0;
}
.ticker-track {
  display: flex; gap: 48px; animation: scroll-ticker 30s linear infinite; width: max-content;
}
.ticker-item { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.ticker-item .name { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.ticker-item .price { font-size: 14px; font-weight: 500; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.ticker-item .change { font-size: 13px; font-weight: 700; }
.ticker-item .change.up { color: var(--bull-green); }
.ticker-item .change.down { color: var(--bear-red); }
@keyframes scroll-ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ---- SECTION SHARED ---- */
.section { padding: 120px 48px; max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary); margin-bottom: 16px;
}
.section-title { font-size: 48px; font-weight: 800; letter-spacing: -1.5px; margin-bottom: 16px; line-height: 1.1; }
.section-subtitle { font-size: 18px; color: var(--text-secondary); max-width: 600px; line-height: 1.7; margin-bottom: 64px; }
.section-center { text-align: center; }
.section-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ---- FEATURES ---- */
.features-bg { background: var(--bg-secondary); }
.app-branding {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: -30px;
  margin-bottom: 20px;
}
.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 26px;
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.3);
}
.app-name {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
}
.app-name span {
  color: var(--primary);
}
#features .section {
  padding-bottom: 20px;
}
#analysis {
  padding-top: 20px;
}
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  padding: 40px 32px; border-radius: 24px; background: var(--bg-elevated);
  border: 1px solid var(--border-subtle); transition: all 0.4s ease;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--graph-cyan));
  opacity: 0; transition: opacity 0.4s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(10,132,255,0.3); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 24px;
}
.feature-icon.blue { background: rgba(10,132,255,0.15); color: var(--primary); }
.feature-icon.green { background: rgba(48,209,88,0.15); color: var(--bull-green); }
.feature-icon.purple { background: rgba(191,90,242,0.15); color: var(--graph-purple); }
.feature-icon.orange { background: rgba(255,159,10,0.15); color: var(--warning); }
.feature-icon.red { background: rgba(255,69,58,0.15); color: var(--bear-red); }
.feature-icon.teal { background: rgba(26,188,156,0.15); color: var(--teal); }
.feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.feature-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }

/* ---- SHOWCASE ---- */
.showcase-row {
  display: flex; align-items: center; gap: 80px;
  min-height: 80vh;
}
.showcase-row.reverse { flex-direction: row-reverse; }
.showcase-text { flex: 1; }
.showcase-text h3 { font-size: 36px; font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.showcase-text p { font-size: 18px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
.showcase-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.showcase-tag {
  padding: 6px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
  background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border-subtle);
}
.showcase-mockup { flex: 0 0 580px; }
.showcase-mockup img {
  width: 100%;
  transition: transform 0.5s ease;
}
.showcase-mockup img:hover { transform: scale(1.03); }

/* ---- STATS ---- */
.stats-section {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-elevated));
  border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 48px; text-align: center; }
.stat-number {
  font-size: 48px; font-weight: 900; letter-spacing: -2px;
  background: linear-gradient(135deg, var(--primary), var(--graph-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 8px; font-weight: 500; }

/* ---- COURSES ---- */
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.course-card {
  padding: 28px; border-radius: 20px; background: var(--bg-elevated);
  border: 1px solid var(--border-subtle); transition: all 0.3s ease;
}
.course-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.1); }
.course-icon { font-size: 32px; margin-bottom: 16px; }
.course-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.course-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.course-lessons { font-size: 12px; font-weight: 600; color: var(--primary); margin-top: 12px; }

/* ---- TESTIMONIALS ---- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  padding: 32px; border-radius: 20px; background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}
.testimonial-stars { color: #FFD60A; font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card blockquote { font-size: 15px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft); color: var(--primary); font-weight: 700; font-size: 16px;
}
.testimonial-name { font-size: 14px; font-weight: 700; }
.testimonial-role { font-size: 12px; color: var(--text-muted); }

/* ---- PRICING ---- */
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 800px; margin: 0 auto; }
.pricing-card {
  padding: 40px; border-radius: 24px; background: var(--bg-elevated);
  border: 1px solid var(--border-subtle); position: relative;
}
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 40px rgba(10,132,255,0.15);
}
.pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 6px 20px; border-radius: 100px; font-size: 12px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--graph-purple));
  color: #fff;
}
.pricing-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.pricing-price { font-size: 48px; font-weight: 900; letter-spacing: -2px; margin-bottom: 4px; }
.pricing-price span { font-size: 16px; font-weight: 500; color: var(--text-muted); }
.pricing-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 32px; }
.pricing-features { list-style: none; margin-bottom: 32px; }
.pricing-features li {
  padding: 10px 0; font-size: 14px; color: var(--text-secondary);
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid rgba(35,41,56,0.5);
}
.pricing-features li::before { content: '✓'; color: var(--bull-green); font-weight: 700; }
.pricing-btn {
  width: 100%; padding: 16px; border-radius: 14px; font-size: 16px; font-weight: 700;
  text-align: center; transition: all 0.3s;
}
.pricing-btn.primary { background: var(--primary); color: #fff; }
.pricing-btn.primary:hover { background: var(--primary-hover); }
.pricing-btn.secondary { background: var(--bg-hover); color: var(--text-secondary); border: 1px solid var(--border-subtle); }
.pricing-btn.secondary:hover { color: var(--text-primary); }

/* ---- CTA ---- */
.cta-section {
  text-align: center; padding: 120px 48px;
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
  position: relative;
}
.cta-glow {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(10,132,255,0.12) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.cta-section h2 { font-size: 48px; font-weight: 900; letter-spacing: -1.5px; margin-bottom: 16px; position: relative; }
.cta-section p { font-size: 18px; color: var(--text-secondary); max-width: 500px; margin: 0 auto 40px; position: relative; }
.cta-section .btn-primary { position: relative; }

/* ---- FOOTER ---- */
.footer {
  padding: 64px 48px 32px; border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}
.footer-content { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; gap: 64px; flex-wrap: wrap; }
.footer-brand { max-width: 300px; }
.footer-brand h3 { font-size: 24px; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.footer-brand h3 span { color: var(--primary); }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: var(--text-secondary); padding: 4px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  max-width: 1200px; margin: 40px auto 0; padding-top: 24px;
  border-top: 1px solid var(--border-subtle); display: flex; justify-content: space-between;
  font-size: 13px; color: var(--text-muted);
}

/* ---- ANIMATIONS ---- */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---- MOBILE NAV ---- */
.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: rgba(13,15,20,0.97); backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center; gap: 32px; z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 20px; font-weight: 600; color: var(--text-primary); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero-content { flex-direction: column; text-align: center; gap: 48px; }
  .hero-title { font-size: 48px; }
  .hero-subtitle { margin: 0 auto 40px; }
  .hero-buttons { justify-content: center; }
  .hero-mockup { flex: none; max-width: 320px; width: 100%; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-row, .showcase-row.reverse { flex-direction: column; text-align: center; gap: 48px; }
  .showcase-mockup { flex: none; max-width: 400px; margin: 0 auto; width: 100%; }
  .showcase-tags { justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 100px 24px 60px; }
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .section { padding: 80px 24px; }
  .section-title { font-size: 32px; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-number { font-size: 36px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}