:root {
  color-scheme: light;
  --page: #f4f3ef;
  --surface: #fbfaf7;
  --text: #292824;
  --muted: #6e6b64;
  --faint: #8e8a81;
  --line: #d9d6ce;
  --line-strong: #bdb8ae;
  --accent: #9b4c2f;
  --dark: #292824;
  --measure: 1080px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip-link {
  position: fixed;
  z-index: 10;
  top: 12px;
  left: 50%;
  padding: 8px 12px;
  background: var(--dark);
  color: #fff;
  transform: translate(-50%, -150%);
}
.skip-link:focus-visible { transform: translate(-50%, 0); }
.site-header,
main,
.site-footer {
  width: min(var(--measure), calc(100% - 48px));
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}
.wordmark { font-size: 20px; font-weight: 700; letter-spacing: -0.06em; text-decoration: none; }
.site-nav { display: flex; gap: 26px; color: var(--muted); font-size: 13px; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: var(--text); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: clamp(48px, 10vw, 132px);
  align-items: end;
  padding: 128px 0 136px;
}
.eyebrow { margin: 0 0 12px; color: var(--faint); font-size: 11px; letter-spacing: .08em; }
h1, h2, p { margin-top: 0; }
h1, h2 { letter-spacing: -0.04em; line-height: 1.15; }
h1 { max-width: 680px; margin-bottom: 24px; font-size: clamp(44px, 7vw, 78px); font-weight: 650; }
h2 { margin-bottom: 0; font-size: clamp(26px, 4vw, 36px); font-weight: 630; }
.hero-copy { max-width: 570px; margin-bottom: 32px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.primary-link,
.download-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
.primary-link { padding: 10px 15px; background: var(--dark); color: #fff; }
.primary-link:hover { background: #111214; }
.text-link { color: var(--muted); font-size: 13px; text-decoration: none; }
.text-link:hover { color: var(--accent); }
.hero-index { margin: 0 0 2px; border-top: 1px solid var(--line-strong); color: var(--muted); }
.hero-index-heading,
.hero-index-entry { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; gap: 14px; align-items: baseline; }
.hero-index-heading { padding: 12px 0 18px; color: var(--faint); font-size: 11px; letter-spacing: .06em; }
.hero-index-heading span:last-child { text-align: right; letter-spacing: 0; }
.hero-index-entry { min-height: 52px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 13px; }
.hero-index-entry strong { color: var(--text); font-weight: 560; }
.hero-index-entry span:last-child { color: var(--faint); font-size: 11px; }
.hero-index-entry.is-current strong { color: var(--accent); }
.entry-time { color: var(--faint); font: 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.hero-index figcaption { padding-top: 18px; color: var(--faint); font-size: 12px; }
.download-section { padding: 36px 0 120px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.section-heading .eyebrow { margin-bottom: 8px; }
.version { color: var(--faint); font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.download-list { border-top: 1px solid var(--line-strong); }
.download-row {
  display: grid;
  grid-template-columns: minmax(120px, .7fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.download-row:hover { color: var(--accent); }
.download-platform { font-weight: 600; }
.download-detail { color: var(--muted); font-size: 13px; }
.download-action { color: var(--text); white-space: nowrap; }
.download-row:hover .download-action { color: var(--accent); }
.download-note { max-width: 640px; margin: 20px 0 0; color: var(--faint); font-size: 12px; }
.download-note a { color: var(--muted); }
.principles { padding: 36px 0 120px; border-top: 1px solid var(--line); }
.principles h2 { max-width: 520px; margin-bottom: 38px; }
.principle-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.principle-list p { display: grid; gap: 6px; margin: 0; }
.principle-list strong { font-size: 14px; }
.principle-list span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 18px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 12px;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (max-width: 640px) {
  .site-header, main, .site-footer { width: min(100% - 32px, var(--measure)); }
  .site-header { min-height: 60px; }
  .site-nav { gap: 16px; }
  .hero { display: block; padding: 78px 0 88px; }
  h1 { font-size: clamp(40px, 13vw, 58px); }
  .hero-copy { font-size: 16px; }
  .hero-index { margin-top: 64px; }
  .download-section, .principles { padding-bottom: 80px; }
  .download-row { grid-template-columns: 1fr auto; gap: 2px 16px; padding-block: 16px; }
  .download-detail { grid-column: 1; }
  .download-action { grid-column: 2; grid-row: 1 / span 2; }
  .principle-list { grid-template-columns: 1fr; gap: 20px; }
  .site-footer { display: grid; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }