:root {
  --page: #ffffff;
  --ink: #172b4d;
  --accent: #163e70;
  --secondary: #596579;
  --tint: #f0f6fd;
  --tint-strong: #e0ecfa;
  --line: #dce5ef;
  --focus: #163e70;
  --ease: cubic-bezier(0.23,1,0.32,1);
  font-family: Inter, sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  -webkit-tap-highlight-color: transparent;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.6; font-variant-numeric: tabular-nums; }
a { color: var(--accent); text-underline-offset: 4px; }
button, a { touch-action: manipulation; }
a, button { transition: background-color 160ms var(--ease), transform 160ms var(--ease); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
::selection { background: var(--tint-strong); color: var(--ink); }
.container, .topbar-inner { max-width: 1152px; margin: 0 auto; padding-inline: 16px; }
.topbar { border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; min-height: 88px; flex-wrap: wrap; padding-block: 16px; }
.wordmark { color: var(--ink); font-weight: 700; font-size: 28px; letter-spacing: -1px; text-decoration: none; }
.wordmark span { color: var(--accent); }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { display: block; padding: 10px 12px; text-decoration: none; border-radius: 6px; font-size: 14px; font-weight: 500; }
nav a[aria-current] { background: var(--tint); color: var(--accent); }
.skip-link { position: absolute; top: 8px; left: 16px; padding: 12px; background: var(--page); z-index: 2; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.intro { padding-block: 72px 48px; max-width: 850px; }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 600; color: var(--ink); }
h1 { font-size: clamp(36px, 5vw, 60px); letter-spacing: -0.045em; margin: 0 0 20px; }
h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -0.03em; margin: 0 0 20px; }
h3 { font-size: 22px; letter-spacing: -0.02em; margin: 0 0 12px; }
h4 { font-size: 16px; margin: 24px 0 10px; }
p { margin: 0 0 16px; }
.lede { font-size: 18px; color: var(--secondary); max-width: 660px; }
.area { border-top: 1px solid var(--line); padding-block: 36px 44px; scroll-margin-top: 24px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px 24px; margin-bottom: 16px; }
.section-heading h2 { margin: 0; }
.count { display: inline-block; vertical-align: middle; font-size: 14px; font-weight: 500; letter-spacing: 0; border-radius: 6px; padding: 5px 9px; background: var(--tint); color: var(--accent); }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 11px 18px; min-height: 46px; font-weight: 600; font-size: 14px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; background: var(--tint); }
.primary { color: var(--page); background: var(--accent); border-color: var(--accent); }
.demo-link { margin-top: 12px; padding: 16px 24px; font-size: 16px; }
.button:active, button:active { transform: scale(0.97); }
.pattern-list { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 24px 0 0; gap: 8px; }
.pattern-list a { display: block; font-size: 14px; padding: 8px 12px; border-radius: 6px; background: var(--tint); text-decoration: none; }
.link-list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 40px; }
.link-list a { font-weight: 600; }
.link-list p { color: var(--secondary); margin-top: 8px; }
.component-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; }
.component-list li { padding: 20px 0; border-top: 1px solid var(--line); }
.component-list h3 { font-size: 18px; }
.component-list p { color: var(--secondary); margin: 0; }
.jump-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 24px; font-size: 14px; }
.brand, .recipe, .pairing { padding-block: 28px; border-bottom: 1px solid var(--line); }
.brand:last-child, .recipe:last-child, .pairing:last-child { border-bottom: 0; padding-bottom: 0; }
.note, .source { color: var(--secondary); font-size: 14px; }
.swatch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 24px 16px; margin-block: 24px; }
.swatch { min-width: 0; }
.swatch-button { display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--page); color: var(--ink); cursor: pointer; font: inherit; text-align: left; overflow: hidden; }
.swatch-fill { display: block; height: 88px; background: var(--swatch-colour); }
.swatch-button code { -webkit-user-select: text; user-select: text; display: block; padding: 10px 12px; font-size: 13px; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-variant-numeric: tabular-nums; }
.swatch h4 { margin: 12px 0 4px; overflow-wrap: anywhere; }
.swatch p { font-size: 13px; margin: 4px 0; color: var(--secondary); }
.swatch .ratio { color: var(--ink); font-weight: 500; }
.fields { margin: 0; }
.field { display: grid; grid-template-columns: minmax(120px, 24%) minmax(0, 1fr); gap: 16px; padding: 8px 0; border-top: 1px solid var(--line); }
dt { color: var(--secondary); font-size: 14px; }
dd { margin: 0; font-size: 14px; white-space: pre-wrap; }
.brand, .recipe, .pairing, dd, .source { overflow-wrap: anywhere; }
.recipe-text { white-space: pre-line; }
.footer { padding-block: 28px 40px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 13px; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--page); padding: 10px 18px; border-radius: 8px; font-size: 14px; max-width: calc(100% - 32px); width: max-content; pointer-events: none; opacity: 0; transition: opacity 150ms var(--ease); }
.toast.is-visible { opacity: 1; }
[data-reveal].reveal-ready { opacity: 0; transform: translateY(10px); }
[data-reveal].reveal-ready.is-visible { opacity: 1; transform: none; transition: opacity 260ms var(--ease), transform 260ms var(--ease); }
@media (hover: hover) and (pointer: fine) {
  nav a:hover, .pattern-list a:hover, .button:not(.primary):hover { background: var(--tint-strong); }
  .primary:hover { background: var(--ink); }
  .swatch-button:hover { border-color: var(--accent); }
  a:hover { text-decoration: underline; }
}
@media (max-width: 600px) {
  .topbar-inner { gap: 8px; }
  nav { gap: 0; }
  nav a { padding: 10px 8px; font-size: 13px; }
  .intro { padding-block: 48px 32px; }
  .link-list, .component-list { grid-template-columns: minmax(0, 1fr); }
  .field { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
  [data-reveal].reveal-ready, [data-reveal].reveal-ready.is-visible { transform: none; }
  .button:active, button:active { transform: none; }
}