/* The app's own palette, from ios/WhipupUI/Sources/WhipupDesign/Palette.swift.
   Single dark theme by product decision — there is no light variant. */
:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #181818;
  --surface-raised: #242424;
  --line: #2a2a2a;
  --text: #f5f5f5;
  --text-dim: #9a9a9a;
  --accent: #fe2c55;
  --accent-small: #ff5c7b;
  --measure: 34rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 24px 96px;
}

/* ---- the mark ---- */
.mark {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none;
}
.mark i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

header.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
  flex-wrap: wrap;
}
header.bar nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
}
header.bar nav a { color: var(--text-dim); text-decoration: none; }
header.bar nav a:hover, header.bar nav a:focus-visible { color: var(--text); }

/* ---- landing ---- */
.hero { padding: 40px 0 8px; }
.hero h1 {
  font-size: clamp(34px, 8vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0;
  text-wrap: balance;
}
.hero h1 span { color: var(--accent); }
.hero p.lede {
  font-size: clamp(17px, 2.6vw, 20px);
  line-height: 1.5;
  color: var(--text-dim);
  max-width: var(--measure);
  margin: 20px 0 0;
}

.phone-row {
  display: flex;
  gap: 18px;
  margin: 44px 0 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}
.phone {
  flex: 0 0 auto;
  width: 214px;
  aspect-ratio: 377 / 584;
  border-radius: 26px;
  background: var(--surface);
  box-shadow: inset 0 0 0 0.5px rgb(255 255 255 / 0.08);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.phone::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 50% 15%, var(--glow, #2a1a3a) 0%, transparent 70%);
}
.phone b {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
}
.phone small {
  position: relative;
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--text-dim);
}

.points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px 34px;
  margin: 56px 0 0;
  padding: 34px 0 0;
  border-top: 1px solid var(--line);
}
.points h2 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 7px;
}
.points p { margin: 0; font-size: 14.5px; color: var(--text-dim); line-height: 1.55; }

/* ---- documents ---- */
main.doc { padding-top: 20px; }
main.doc h1 {
  font-size: clamp(28px, 5.5vw, 38px);
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 24px 0 6px;
  text-wrap: balance;
}
main.doc .updated {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0 0 36px;
}
main.doc h2 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.018em;
  margin: 40px 0 10px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  text-wrap: balance;
}
main.doc h3 {
  font-size: 15.5px;
  font-weight: 600;
  margin: 24px 0 6px;
}
main.doc p, main.doc li {
  max-width: var(--measure);
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.65;
}
main.doc p { margin: 0 0 14px; }
main.doc strong { color: var(--text); font-weight: 600; }
main.doc ul { margin: 0 0 16px; padding-left: 20px; }
main.doc li { margin-bottom: 9px; }
main.doc a { color: var(--accent-small); }

.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 22px 0;
  max-width: var(--measure);
}
.callout p:last-child { margin-bottom: 0; }

table.data {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 22px;
  font-size: 14.5px;
}
table.data th, table.data td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--text-dim);
}
table.data th {
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  background: var(--surface);
}
table.data td:first-child { color: var(--text); }
.tablewrap { overflow-x: auto; }
table.data { min-width: 30rem; }

a.button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 22px;
  border-radius: 999px;
  margin-top: 8px;
}
a.button:hover, a.button:focus-visible { background: #e51f46; }

:focus-visible { outline: 2px solid var(--accent-small); outline-offset: 3px; border-radius: 3px; }

footer.foot {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px 28px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--text-dim);
}
footer.foot nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer.foot a { color: var(--text-dim); text-decoration: none; }
footer.foot a:hover, footer.foot a:focus-visible { color: var(--text); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}