:root {
  color-scheme: light;
  --paper: #f3efe6;
  --card: #fffcf5;
  --ink: #20282b;
  --muted: #58615f;
  --line: #d3c9b9;
  --navy: #172d3b;
  --accent: #9c4529;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.wrap { width: min(100% - 44px, 1040px); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); }
.header-row { min-height: 61px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 20px; font-weight: 750; letter-spacing: -.035em; text-decoration: none; }
.index-link { font-size: 13px; font-weight: 650; color: var(--muted); text-decoration: none; }
.index-link span { margin-inline-start: 4px; color: var(--accent); }
.index-link:hover { color: var(--accent); }
.intro {
  display: grid; grid-template-columns: 1fr 195px; align-items: center; gap: 20px;
  margin-block: 25px 34px; padding: 34px clamp(21px, 5vw, 53px);
  border-radius: 16px; background: var(--navy); color: #f9f0dd;
}
.label { margin: 0; color: var(--accent); font: 700 11px/1.45 ui-monospace, monospace; letter-spacing: .12em; }
.intro .label { color: #eed5a6; }
.spot { display: inline-block; width: 7px; height: 7px; margin-inline-end: 4px; border-radius: 50%; background: #e5a971; }
h1 { margin: 13px 0 12px; font-size: clamp(39px, 6vw, 72px); line-height: .98; letter-spacing: -.069em; }
.intro-note { max-width: 43ch; margin: 0; color: #e0e1d9; line-height: 1.58; }
.stamp { margin: 6px 0; padding: 10px; border: 1px solid #728783; border-radius: 7px; transform: rotate(5deg); }
.stamp-swatch {
  height: 118px; border: 1px solid #728783; border-radius: 3px;
  background-color: #294555;
  background-image: radial-gradient(circle at center, #f2cf90 2px, transparent 3px),
                    linear-gradient(90deg, #6f8d8d 1px, transparent 1px),
                    linear-gradient(#6f8d8d 1px, transparent 1px);
  background-size: 26px 26px, 13px 13px, 13px 13px;
}
.stamp span { display: block; padding-top: 8px; font: 650 10px/1.4 ui-monospace, monospace; color: #eed5a6; letter-spacing: .07em; }
#swatches { scroll-margin-top: 15px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.section-head h2 { margin: 5px 0 0; font-size: clamp(27px, 4vw, 35px); line-height: 1.06; letter-spacing: -.05em; }
.total, .tile-id { color: var(--muted); font: 700 11px/1.5 ui-monospace, monospace; letter-spacing: .09em; }
.total { white-space: nowrap; margin: 0; }
.swatch-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; }
.tile { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--card); border-radius: 12px; padding: 8px; }
.tile > img { width: 100%; height: auto; aspect-ratio: 2; border-radius: 6px; }
.tile-copy { display: flex; flex-direction: column; align-items: start; flex: 1; padding: 10px 7px 6px; }
.tile-id { margin: 0 0 6px; color: var(--accent); }
.tile h3 { margin: 0; font-size: 20px; letter-spacing: -.036em; }
.tile h3 + p { flex: 1; margin: 6px 0 13px; color: var(--muted); font-size: 14px; line-height: 1.48; }
.download {
  display: inline-flex; align-items: center; gap: 8px; min-height: 35px; padding: 0 10px; border: 1px solid var(--line);
  border-radius: 7px; background: #f1ebde; color: var(--ink); font-size: 13px; font-weight: 650; text-decoration: none;
}
.download span { color: var(--accent); }
.download:hover { border-color: var(--accent); }
.notes { margin-top: 18px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); font-size: 14px; }
.notes summary { font-weight: 700; cursor: pointer; }
.notes p { color: var(--muted); }
.notes pre { padding: 12px; background: var(--paper); border-radius: 5px; white-space: pre-wrap; overflow-wrap: anywhere; }
.notes a { color: var(--accent); font-weight: 650; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; margin-top: 27px; padding-block: 15px 21px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer p { margin: 0; }
.footer span { margin-inline: 3px; }
.footer strong { color: var(--ink); }
@media (max-width: 740px) {
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intro { grid-template-columns: 1fr 115px; }
  .stamp-swatch { height: 77px; }
}
@media (max-width: 510px) {
  .wrap { width: calc(100% - 28px); }
  .intro { display: block; padding-block: 25px; margin-block: 17px 28px; }
  .stamp { display: none; }
  .swatch-grid { grid-template-columns: 1fr; gap: 11px; }
}