:root {
  color-scheme: dark;
  --bg: #151519;
  --surface: #242428;
  --text: #f4f3fa;
  --muted: #bbb9c8;
  --accent: #a39bfa;
  --brand: #5e78f5;
  --line: #36363f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 "Segoe UI", system-ui, sans-serif; }
.wrap { width: min(1120px, calc(100% - 64px)); margin: auto; }
header { min-height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-size: 25px; font-weight: 650; letter-spacing: -.7px; }
.brand-logo { width: 40px; height: 40px; flex: none; }
.nav-link { color: var(--muted); text-decoration: none; font-size: 13px; }
.nav-link:hover { color: var(--text); }
.nav-link span { margin-left: 12px; }
.hero { padding: 80px 0 100px; }
.hero-copy { max-width: 820px; }
.product-visual { margin-bottom: 56px; }
.product-visual img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; }
.product-visual figcaption { margin-top: 14px; color: var(--muted); font-size: 13px; text-align: center; }
.eyebrow, .feature-number { font-size: 11px; letter-spacing: 2px; color: var(--accent); font-weight: 650; }
h1 { font-size: clamp(52px, 7.8vw, 94px); line-height: 1.08; font-weight: 650; letter-spacing: -4px; margin: 24px 0; }
h1 span { color: var(--accent); }
h2 { font-size: 25px; line-height: 1.25; font-weight: 650; letter-spacing: -.8px; }
.intro { font-size: 20px; color: var(--muted); max-width: 590px; margin: 28px 0 32px; }
.button { display: inline-flex; gap: 40px; align-items: center; padding: 14px 24px; background: var(--accent); color: #201d33; font-weight: 650; border: 1px solid transparent; border-radius: 8px; text-decoration: none; }
.button:hover { background: #bbb4ff; }
.download-icon { display: block; flex: none; }
.button:focus-visible, a:focus-visible { outline: 3px solid var(--brand); outline-offset: 5px; }
.button[hidden] { display: none; }
.fine { font-size: 12px; color: var(--muted); line-height: 1.7; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 45px; padding: 44px 0 56px; border-top: 1px solid var(--line); }
.features p { color: var(--muted); font-size: 14px; }
.features h2 { font-size: 21px; }
.download { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 40px; margin-bottom: 64px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.download h2 { font-size: 36px; }
.download p { color: var(--muted); max-width: 470px; }
.download .eyebrow { color: var(--accent); }
.download-action .fine { max-width: 360px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 12px; color: var(--muted); }
footer a { color: var(--muted); }
.prose { max-width: 720px; padding: 50px 0 90px; }
.prose h1 { font-size: 48px; letter-spacing: -2px; }
.prose p, .prose li { color: var(--muted); }
.prose a { color: var(--accent); text-underline-offset: 3px; overflow-wrap: anywhere; }
@media (max-width: 800px) {
  .wrap { width: calc(100% - 40px); }
  header { min-height: 90px; }
  .hero { padding: 38px 0 64px; }
  h1 { letter-spacing: -2.5px; }
  .intro { font-size: 18px; }
  .features { grid-template-columns: 1fr; gap: 18px; padding: 30px 0; }
  .download { grid-template-columns: 1fr; gap: 8px; padding: 24px; margin-bottom: 40px; }
  .download h2 { font-size: 30px; }
  footer { flex-wrap: wrap; }
  .nav-link { font-size: 11px; }
}
@media (max-width: 440px) {
  header { align-items: flex-start; padding-top: 24px; }
  .brand { font-size: 22px; gap: 9px; }
  .brand-logo { width: 34px; height: 34px; }
  .nav-link { max-width: 100px; text-align: right; }
  .nav-link span { margin-left: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }