:root {
  color-scheme: dark;
  --background: #0b1714;
  --surface: #13231f;
  --text: #f4f8f6;
  --muted: #bdcbc6;
  --accent: #75dfbc;
  --accent-text: #092018;
  --line: #2d443d;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; color: var(--text); background: var(--background); line-height: 1.65; }
a { color: var(--accent); }
.skip-link { position: absolute; left: -9999px; top: 0; padding: .7rem 1rem; color: var(--accent-text); background: var(--accent); z-index: 10; }
.skip-link:focus { left: .5rem; top: .5rem; }
.site-header, main, footer { width: min(68rem, calc(100% - 2rem)); margin-inline: auto; }
.site-header { display: flex; align-items: center; gap: 1.25rem; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); font-size: 1.4rem; font-weight: 800; letter-spacing: -.03em; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .8rem; }
.main-nav { margin-left: auto; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { color: var(--accent); }
.language-nav { padding-left: 1rem; border-left: 1px solid var(--line); font-size: .82rem; font-weight: 700; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(10rem, 18rem); align-items: center; gap: clamp(2rem, 8vw, 6rem); padding-block: clamp(4rem, 11vw, 8rem); }
.app-icon { width: 100%; height: auto; border-radius: 24%; }
.eyebrow { margin: 0 0 .75rem; color: var(--accent); font-size: .82rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.18; }
h1 { max-width: 18ch; margin: 0; font-size: clamp(2.5rem, 7vw, 5rem); letter-spacing: -.05em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -.035em; }
.intro { max-width: 42rem; margin-block: 1.4rem; color: var(--muted); font-size: clamp(1.05rem, 2.5vw, 1.3rem); }
.availability { display: inline-block; margin: 0; padding: .55rem .85rem; border-radius: 999px; color: var(--accent-text); background: var(--accent); font-weight: 800; }
.features { padding-block: 1rem 5rem; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.feature-grid article { padding: 1.4rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); }
.feature-grid h3 { margin-top: 0; }
.feature-grid p, .release-note p { margin-bottom: 0; color: var(--muted); }
.release-note { max-width: 52rem; padding-block: 1rem 6rem; }
.legal-page { max-width: 52rem; padding-block: 4rem 6rem; }
.legal-page h1 { max-width: none; margin-bottom: 1.5rem; font-size: clamp(2.4rem, 6vw, 4rem); }
.legal-intro { padding: 1.1rem 1.2rem; border-left: .25rem solid var(--accent); background: var(--surface); }
.legal-page h2 { margin-top: 2.5rem; font-size: 1.45rem; letter-spacing: -.015em; }
.legal-page p, .legal-page li { color: var(--muted); }
.legal-page strong { color: var(--text); }
footer { display: flex; flex-wrap: wrap; gap: .7rem 1.4rem; padding-block: 2rem 3rem; border-top: 1px solid var(--line); color: var(--muted); }
footer a { text-decoration: none; }
footer span { margin-right: auto; }

@media (max-width: 46rem) {
  .site-header { align-items: flex-start; flex-wrap: wrap; }
  .main-nav { margin-left: auto; }
  .language-nav { width: 100%; padding: .75rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .hero { grid-template-columns: 1fr; padding-top: 3rem; }
  .app-icon { grid-row: 1; width: min(45vw, 11rem); }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }