:root {
  color-scheme: light dark;
  --surface: #F5F5F9;
  --surface-raised: #FFFFFF;
  --line: #DDDEE8;
  --ink: #16171F;
  --ink-muted: #5C5E6E;
  --lift: #3D4FD1;
  --on-lift: #FFFFFF;
  --periwinkle: #E4E8FF;
  --mint: #D5F3E5;
  --peach: #FFE2D3;
  --peach-deep: #A9461C;
  --lilac: #ECE2FC;
  --butter: #FFF0C4;
}
@media (prefers-color-scheme: dark) {
  :root {
  --surface: #121318;
  --surface-raised: #1C1D24;
  --line: #2D2F3A;
  --ink: #F1F1F6;
  --ink-muted: #A3A5B5;
  --lift: #AEBBFF;
  --on-lift: #121318;
  --periwinkle: #262C52;
  --mint: #173B2E;
  --peach: #4A2A1E;
  --peach-deep: #FFB899;
  --lilac: #33274D;
  --butter: #3D3214;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
h1, h2, .brand, .subtitle, .badge { font-family: ui-rounded, "SF Pro Rounded", -apple-system, sans-serif; }
a { color: var(--lift); text-underline-offset: 2px; }
strong { font-weight: 650; }

.mark { display: block; }
.mark-plate { fill: var(--peach); }
.mark-ink { fill: var(--lift); }
.mark-ink-stroke { stroke: var(--lift); }
.mark-face { stroke: var(--on-lift); }
.mark-cheek { fill: #FFB899; }

.top { max-width: 760px; margin: 0 auto; padding: 20px 16px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; }
.brand .mark { width: 36px; height: 36px; }

main { max-width: 760px; margin: 0 auto; padding: 0 16px; }

.hero { text-align: center; padding: 56px 0 32px; }
.hero .mark { width: 112px; height: 112px; margin: 0 auto 20px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 0; letter-spacing: -0.01em; }
.subtitle { font-size: 22px; font-weight: 600; color: var(--ink-muted); margin: 8px 0 20px; }
.lead { font-size: 19px; max-width: 34em; margin: 0 auto; }
.badge {
  display: inline-block; margin: 28px 0 0; padding: 14px 22px; border-radius: 999px;
  background: var(--surface-raised); color: var(--ink); font-weight: 650; border: 1px solid var(--line);
}

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; }
.card { border-radius: 24px; padding: 22px 22px 24px; }
.card h2 { font-size: 21px; margin: 0 0 6px; }
.card p { margin: 0; }
.tint-periwinkle { background: var(--periwinkle); }
.tint-mint { background: var(--mint); }
.tint-peach { background: var(--peach); }
.tint-lilac { background: var(--lilac); }
.tint-butter { background: var(--butter); }

.notes { color: var(--ink-muted); text-align: center; padding: 24px 0 8px; }
.notes p { max-width: 36em; margin: 8px auto; }

.doc { padding-top: 24px; }
.doc h1 { font-size: 34px; line-height: 1.15; margin: 8px 0 4px; }
.doc h2 { font-size: 22px; margin: 32px 0 6px; }
.doc .meta { color: var(--ink-muted); margin-top: 0; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 4px 0; }

footer { max-width: 760px; margin: 48px auto 0; padding: 20px 16px 40px; border-top: 1px solid var(--line); color: var(--ink-muted); font-size: 15px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer p { margin: 12px 0 0; }

@media (max-width: 480px) {
  .hero { padding-top: 40px; }
  .hero h1 { font-size: 36px; }
  .cards { grid-template-columns: 1fr; }
}