:root {
  --primary: #6C63FF;
  --teal: #00C9A7;
  --dark: #1A1A2E;
  --text: #3D3D56;
  --muted: #8E8E9A;
  --bg: #F7F8FC;
  --card: #ffffff;
  --border: #EBEBF0;
  --danger: #FF3B30;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* NAV */
nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px #0000000a;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--primary); text-decoration: none; }
.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 20px;
  font-weight: 700 !important;
  font-size: 14px !important;
  transition: opacity .15s;
}
.nav-cta:hover { opacity: .88; text-decoration: none !important; }

/* HERO */
.hero {
  background: linear-gradient(135deg, #1A1A2E 0%, #2D2B55 60%, #3D3B6E 100%);
  color: #fff;
  padding: 100px 24px 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6C63FF33 0%, transparent 70%);
  top: -100px; left: 50%; transform: translateX(-50%);
  pointer-events: none;
}
.hero-badge {
  display: inline-block;
  background: #6C63FF22;
  border: 1px solid #6C63FF55;
  color: #a89fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero h1 .accent { color: #a89fff; }
.hero h1 .teal { color: #00C9A7; }
.hero p {
  font-size: clamp(16px, 2.5vw, 20px);
  color: #c0bfe0;
  max-width: 560px;
  margin: 0 auto 40px;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 16px 36px;
  border-radius: 28px;
  font-weight: 700;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 8px 24px #6C63FF44;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px #6C63FF55; text-decoration: none; }
.btn-secondary {
  background: #ffffff18;
  border: 1px solid #ffffff33;
  color: #fff;
  padding: 16px 32px;
  border-radius: 28px;
  font-weight: 600;
  font-size: 16px;
  transition: background .15s;
}
.btn-secondary:hover { background: #ffffff28; text-decoration: none; }
.hero-note { margin-top: 20px; font-size: 13px; color: #8885b0; }

/* MOCKUP */
.mockup-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 60px;
  flex-wrap: wrap;
}
.mockup-phone {
  width: 200px;
  background: #ffffff0d;
  border: 1px solid #ffffff1a;
  border-radius: 28px;
  padding: 24px 16px;
  text-align: center;
}
.mockup-screen {
  background: #F7F8FC;
  border-radius: 16px;
  padding: 16px 12px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mock-title { font-size: 13px; font-weight: 800; color: var(--dark); text-align: left; }
.mock-sub { font-size: 9px; color: var(--muted); text-align: left; margin-bottom: 4px; }
.mock-card {
  background: #fff;
  border-radius: 10px;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 6px #0000000a;
}
.mock-icon { font-size: 18px; }
.mock-info { flex: 1; text-align: left; }
.mock-name { font-size: 10px; font-weight: 700; color: var(--dark); }
.mock-time { font-size: 8px; color: var(--muted); }
.mock-play {
  width: 26px; height: 26px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
}
.mock-chain {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: var(--muted);
  gap: 4px;
  padding: 2px 0;
}
.mock-timer-screen {
  background: var(--dark);
  border-radius: 16px;
  padding: 20px 12px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.mock-ring {
  width: 100px; height: 100px;
  border-radius: 50%;
  border: 6px solid #6C63FF;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.mock-ring::before {
  content: '';
  position: absolute;
  top: -6px; left: -6px; right: -6px; bottom: -6px;
  border-radius: 50%;
  border: 6px solid #ffffff0f;
}
.mock-countdown { font-size: 22px; font-weight: 900; color: #fff; }
.mock-timer-name { font-size: 10px; color: #a89fff; font-weight: 600; }
.mock-controls { display: flex; gap: 12px; margin-top: 4px; }
.mock-ctrl { font-size: 16px; }

/* STATS */
.stats-bar {
  background: var(--primary);
  padding: 24px;
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}
.stat { text-align: center; color: #fff; }
.stat-num { font-size: 32px; font-weight: 900; }
.stat-label { font-size: 13px; opacity: .8; margin-top: 2px; }

/* SECTIONS */
section { padding: 80px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.section-tag.teal { background: var(--teal); }
h2 { font-size: clamp(26px, 4vw, 42px); font-weight: 800; color: var(--dark); margin-bottom: 12px; line-height: 1.2; }
.section-lead { font-size: 18px; color: var(--muted); max-width: 580px; }

/* FEATURES GRID */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  transition: box-shadow .2s, transform .2s;
}
.feature-card:hover { box-shadow: 0 8px 32px #0000000f; transform: translateY(-3px); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* HOW IT WORKS */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; margin-top: 48px; }
.step { text-align: center; }
.step-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.step h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* USE CASES */
.use-cases { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 40px; }
.use-case {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
}
.use-case .emoji { font-size: 36px; display: block; margin-bottom: 12px; }
.use-case h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.use-case p { font-size: 13px; color: var(--muted); }

/* TESTIMONIALS */
.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 48px; }
.testimonial {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
}
.testimonial-text { font-size: 16px; color: var(--dark); line-height: 1.6; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  background: var(--bg);
}
.author-name { font-weight: 700; font-size: 14px; color: var(--dark); }
.author-role { font-size: 12px; color: var(--muted); }
.stars { color: #FFB800; font-size: 14px; margin-bottom: 12px; }

/* CTA BANNER */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #9b94ff 100%);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { color: #e0dfff; font-size: 18px; margin-bottom: 36px; max-width: 500px; margin-left: auto; margin-right: auto; }
.btn-white {
  background: #fff;
  color: var(--primary);
  padding: 16px 40px;
  border-radius: 28px;
  font-weight: 700;
  font-size: 16px;
  display: inline-block;
  box-shadow: 0 8px 24px #00000022;
  transition: transform .15s;
}
.btn-white:hover { transform: translateY(-2px); text-decoration: none; }

/* FOOTER */
footer {
  background: var(--dark);
  color: #8885b0;
  padding: 40px 24px;
  text-align: center;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-links { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.footer-links a { color: #8885b0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-logo { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-copy { font-size: 13px; }

/* HELP PAGE */
.page-hero {
  background: linear-gradient(135deg, #1A1A2E 0%, #2D2B55 100%);
  color: #fff;
  padding: 60px 24px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(28px, 5vw, 48px); font-weight: 900; margin-bottom: 12px; }
.page-hero p { color: #c0bfe0; font-size: 17px; max-width: 500px; margin: 0 auto; }
.help-container { max-width: 800px; margin: 60px auto; padding: 0 24px 80px; }
.faq-section { margin-bottom: 48px; }
.faq-section h2 { font-size: 22px; font-weight: 800; color: var(--dark); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
.faq-item { margin-bottom: 24px; }
.faq-q { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; }
.faq-q::before { content: 'Q'; background: var(--primary); color: #fff; font-size: 11px; font-weight: 800; padding: 2px 6px; border-radius: 6px; flex-shrink: 0; margin-top: 2px; }
.faq-a { font-size: 15px; color: var(--text); line-height: 1.7; padding-left: 30px; }
.tip-box {
  background: #6C63FF0d;
  border: 1px solid #6C63FF33;
  border-radius: 14px;
  padding: 20px 24px;
  margin: 32px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.tip-icon { font-size: 22px; flex-shrink: 0; }
.tip-text { font-size: 14px; color: var(--text); line-height: 1.6; }
.tip-text strong { color: var(--primary); }

/* PRIVACY PAGE */
.privacy-container { max-width: 800px; margin: 60px auto; padding: 0 24px 80px; }
.privacy-container h2 { font-size: 22px; font-weight: 800; color: var(--dark); margin: 36px 0 12px; }
.privacy-container h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin: 20px 0 8px; }
.privacy-container p { font-size: 15px; color: var(--text); line-height: 1.8; margin-bottom: 12px; }
.privacy-container ul { padding-left: 20px; margin-bottom: 12px; }
.privacy-container li { font-size: 15px; color: var(--text); line-height: 1.8; margin-bottom: 4px; }
.privacy-date { font-size: 13px; color: var(--muted); margin-bottom: 32px; }
.privacy-intro { font-size: 17px; color: var(--text); line-height: 1.8; padding: 20px; background: var(--bg); border-radius: 12px; border-left: 4px solid var(--primary); }

/* RESPONSIVE */
@media (max-width: 600px) {
  .nav-links { gap: 16px; }
  .stats-bar { gap: 32px; }
  .mockup-phone:nth-child(3) { display: none; }
}