:root {
  color-scheme: light;
  --ink: #24215b;
  --muted: #716d98;
  --paper: #f4f0ff;
  --surface: rgba(255, 255, 255, 0.9);
  --line: rgba(80, 64, 148, 0.14);
  --accent: #7756e8;
  --accent-dark: #5b39c8;
  --mint: #67d7b1;
  --yellow: #ffd24f;
  --shadow: 0 18px 48px rgba(78, 55, 151, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, rgba(185, 157, 248, 0.38), transparent 30rem),
    radial-gradient(circle at 84% 28%, rgba(103, 215, 177, 0.28), transparent 26rem),
    var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-dark); text-underline-offset: 3px; }
.page { width: min(1080px, calc(100% - 36px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 240, 255, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.site-header .page { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: var(--ink); font-weight: 850; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 13px; color: white; background: var(--accent); box-shadow: 0 8px 18px rgba(91, 57, 200, 0.24); }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); font-size: 0.92rem; font-weight: 650; text-decoration: none; }
.nav .download { color: white; background: var(--accent); padding: 8px 16px; border-radius: 12px; }
.hero { min-height: 650px; display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 48px; padding: 72px 0 58px; }
.eyebrow { color: var(--accent); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { margin: 10px 0 18px; font-size: clamp(2.7rem, 6vw, 5rem); line-height: 0.98; letter-spacing: -0.045em; }
.hero h1 span { color: var(--accent); }
.hero p { max-width: 620px; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border-radius: 17px; color: white; background: var(--accent); font-weight: 800; text-decoration: none; box-shadow: 0 12px 24px rgba(91, 57, 200, 0.24); }
.button.secondary { color: var(--ink); background: white; box-shadow: var(--shadow); }
.phone { width: min(320px, 84vw); aspect-ratio: 0.52; margin: auto; padding: 18px; border: 9px solid #171326; border-radius: 48px; background: linear-gradient(165deg, #eadfff, #d9f8f0); box-shadow: 0 34px 74px rgba(36, 33, 91, 0.28); }
.phone-top { height: 24%; display: flex; align-items: end; justify-content: space-between; }
.phone-title { font-size: 1.6rem; font-weight: 900; line-height: 1.05; }
.pip { width: 78px; height: 78px; border-radius: 30px 30px 22px 22px; background: linear-gradient(150deg, #b99df8, #7756e8); position: relative; }
.pip::before, .pip::after { content: ""; position: absolute; top: 22px; width: 13px; height: 13px; border-radius: 50%; background: white; }
.pip::before { left: 20px; } .pip::after { right: 20px; }
.pair-demo { margin-top: 32px; padding: 18px; border-radius: 26px; background: rgba(255,255,255,.9); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; box-shadow: var(--shadow); }
.pair-card { aspect-ratio: 1; display: grid; place-items: center; border-radius: 22px; background: #f3efff; border: 2px solid #cfc0ff; font-size: 2.2rem; }
.pair-card.word { background: #ecfff7; border-color: var(--mint); font-size: 1.35rem; font-weight: 900; }
.pair-link { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 14px; background: var(--accent); color: white; font-weight: 900; }
.phone-caption { margin-top: 24px; padding: 16px; border-radius: 20px; background: rgba(255,255,255,.78); color: var(--muted); font-size: .88rem; font-weight: 700; text-align: center; }
.stats, .features { display: grid; gap: 16px; }
.stats { grid-template-columns: repeat(4, 1fr); padding-bottom: 72px; }
.stat, .feature { border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.stat { padding: 24px 18px; text-align: center; }
.stat strong { display: block; font-size: 1.65rem; }
.stat span { color: var(--muted); font-size: .9rem; font-weight: 700; }
.section { padding: 72px 0; }
.section-heading { max-width: 700px; margin: 0 auto 34px; text-align: center; }
.section-heading h2 { margin: 0 0 10px; font-size: clamp(2rem, 4vw, 3rem); }
.section-heading p { margin: 0; color: var(--muted); }
.features { grid-template-columns: repeat(3, 1fr); }
.feature { padding: 26px; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; background: #eee8ff; font-size: 1.35rem; }
.feature h3 { margin: 16px 0 7px; }
.feature p { margin: 0; color: var(--muted); }
.cta { margin: 56px 0 72px; padding: 48px 24px; border-radius: 34px; color: white; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); text-align: center; box-shadow: 0 24px 55px rgba(91,57,200,.24); }
.cta h2 { margin: 0 0 8px; font-size: clamp(2rem, 4vw, 3rem); }
.cta p { margin: 0 0 24px; color: rgba(255,255,255,.8); }
.cta .button { color: var(--ink); background: white; }
.legal { width: min(800px, calc(100% - 36px)); margin: 0 auto; padding: 64px 0 80px; }
.legal h1 { font-size: clamp(2.35rem, 6vw, 4rem); line-height: 1; margin-bottom: 10px; }
.legal h2 { margin-top: 40px; font-size: 1.5rem; }
.legal h3 { margin-top: 26px; }
.legal .meta, .legal .summary { color: var(--muted); }
.legal .summary { padding: 20px; border-radius: 18px; background: white; border: 1px solid var(--line); }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 30px; }
.support-card { padding: 24px; border-radius: 22px; background: white; border: 1px solid var(--line); box-shadow: var(--shadow); }
.support-card h2 { margin-top: 0; }
.site-footer { padding: 28px 0 40px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; gap: 18px; }
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 52px; }
  .hero-text { text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .actions { justify-content: center; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav a:not(.download) { display: none; }
  .hero { gap: 34px; }
  .stats, .support-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}