:root {
  color-scheme: light dark;
  --bg: #f8faff;
  --surface: #ffffff;
  --ink: #161f35;
  --muted: #53617a;
  --line: #dce3ef;
  --accent: #285cdb;
  --glow: #e6eeff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1423; --surface: #151f31; --ink: #f2f5ff; --muted: #a9b7d0;
    --line: #2b374d; --accent: #94b5ff; --glow: #14264b;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 1rem; line-height: 1.6; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.skip { position: fixed; top: .7rem; left: 1rem; padding: .7rem 1rem; background: var(--surface); z-index: 10; transform: translateY(-200%); }
.skip:focus { transform: none; }
.shell { max-width: 70rem; margin-inline: auto; padding-inline: clamp(1.25rem, 5vw, 4rem); }
.header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 6.5rem; }
.brand { color: var(--ink); font-size: 1.5rem; font-weight: 750; text-decoration: none; letter-spacing: -.06em; }
.navigation { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.4rem; }
.navigation > a { font-size: .9rem; color: var(--muted); text-decoration: none; padding-block: .65rem; }
.navigation > a:hover { color: var(--accent); }
.hero { text-align: center; padding-block: clamp(2.5rem, 6vw, 5rem) 4rem; }
.app-icon { display: block; width: 7.5rem; height: 7.5rem; border-radius: 27%; margin: 0 auto 1.8rem; box-shadow: 0 1rem 3.5rem -1.5rem var(--accent); }
.eyebrow { color: var(--muted); font-size: .9rem; font-weight: 550; margin: 0 0 1.2rem; }
h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); letter-spacing: -.06em; line-height: 1.08; font-weight: 720; margin: 0 0 1.6rem; text-wrap: balance; }
h1 span { display: block; color: var(--accent); }
.intro { max-width: 39rem; margin: 0 auto; font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--muted); line-height: 1.75; text-wrap: pretty; }
.hero-note { font-size: .9rem; color: var(--muted); margin: 1.6rem 0 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); padding-block: 2rem; gap: 2.5rem; }
.features h2 { font-size: 1rem; letter-spacing: -.02em; margin: 0 0 .45rem; }
.features p { color: var(--muted); font-size: .95rem; line-height: 1.65; margin: 0; }
.footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-block: 2rem; color: var(--muted); font-size: .875rem; }
.footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.footer a { color: var(--muted); padding-block: .5rem; }
.legal { max-width: 47rem; margin-inline: auto; padding-block: 3.5rem; }
.legal h1 { font-size: clamp(2.6rem, 6vw, 3.8rem); }
.legal .intro { font-size: 1.15rem; max-width: none; }
.legal .updated { margin: 1.5rem 0 3rem; font-size: .875rem; color: var(--muted); }
.legal section { margin-block: 2rem; }
.legal h2 { font-size: 1.2rem; line-height: 1.4; letter-spacing: -.02em; margin: 0 0 .65rem; }
.legal section p { color: var(--muted); margin: 0; line-height: 1.8; overflow-wrap: anywhere; }
.legal .policy-links { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; font-size: .9rem; margin-block: 2rem; }
.error { min-height: 60vh; display: grid; align-content: center; padding-block: 4rem; }
@media (max-width: 640px) {
  .header { min-height: 5.5rem; gap: .5rem; flex-wrap: wrap; padding-block: 1rem; }
  .navigation { gap: .75rem; }
  .hero { padding-block: 2.5rem 3rem; }
  .app-icon { width: 6.5rem; height: 6.5rem; }
  h1 { letter-spacing: -.045em; }
  .features { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer { align-items: flex-start; flex-direction: column; }
  .legal { padding-block: 2.5rem; }
}