/* davidfaux.com - design system from the Claude Design canvas ("dark direction").
   Palette mirrors the Roll Cleaner app: ink ground, amber accent, four bucket
   tones. Pages are fixed dark by design; color-scheme is pinned so form
   controls and scrollbars match. */

:root {
  color-scheme: dark;
  --ink: #0E1013;
  --ink-top: #14171D;
  --surface-hi: #1D212A;
  --surface-lo: #14171D;
  --hairline: rgba(255, 255, 255, 0.09);
  --chalk: #F2F4F7;
  --body: #D6DAE1;
  --mute: #8C93A0;
  --faint: #5A606C;
  --amber: #E7B24A;
  --amber-hi: #F2C86B;
  --amber-edge: rgba(231, 178, 74, 0.35);
  --haze: #7FA9C0;
  --iris: #9E8CC7;
  --jade: #63B894;
  --ember: #E0563F;
  --sans: -apple-system, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-hi); }
a.quiet { color: var(--mute); }
a.quiet:hover { color: var(--chalk); }

.wrap { max-width: 1312px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* Mono, letter-spaced section labels */
.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2.5px;
  color: var(--mute);
  text-transform: uppercase;
}
.label.amber { color: var(--amber); }

/* The roll-bar mark: the app icon's 3x3 grid, scaled via --mark-size */
.mark {
  --mark-size: 34px;
  width: var(--mark-size);
  height: var(--mark-size);
  border-radius: calc(var(--mark-size) * 0.235);
  background: linear-gradient(160deg, #1C202A, #08090C);
  padding: calc(var(--mark-size) * 0.118);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: calc(var(--mark-size) * 0.03);
  flex: none;
}
.mark > div { border-radius: calc(var(--mark-size) * 0.09); }
.mark .m-amber { grid-column: 1 / 3; grid-row: 1 / 3; background: linear-gradient(135deg, #F0C876, #E7B24A); }
.mark .m-haze { background: var(--haze); }
.mark .m-iris { grid-column: 3; grid-row: 2; background: var(--iris); }
.mark .m-jade { background: var(--jade); }
.mark .m-dim { background: #212530; }

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--hairline);
}
.site-header .brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 2.5px;
  color: var(--chalk);
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 36px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.2px;
}

/* Cards */
.card {
  background: linear-gradient(180deg, var(--surface-hi), var(--surface-lo));
  border: 1px solid var(--hairline);
  border-radius: 18px;
}
.card.amber-edge { border-color: var(--amber-edge); }

/* Footer */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 32px;
  padding-bottom: 40px;
  border-top: 1px solid var(--hairline);
  font-size: 13.5px;
}
.site-footer .links { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.site-footer .fine { font-size: 13px; color: var(--faint); }

/* App Store badge (placeholder frame; swap in Apple's official badge
   artwork from their marketing tools once the app record exists) */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 26px;
  background: var(--chalk);
  border-radius: 14px;
  color: var(--ink);
}
.appstore-badge .lines { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.appstore-badge .small { font-size: 11px; font-weight: 500; }
.appstore-badge .big { font-size: 18px; font-weight: 650; letter-spacing: -0.01em; }

@media (max-width: 880px) {
  .site-header nav { gap: 20px; }
  .site-footer { justify-content: center; text-align: center; }
}