/* Drapa public demo (/demo). Drapa look: ground #F5F4F0, ink #0B0B0B, Geist, square corners. */
@font-face { font-family: 'Geist'; src: url('assets/fit3d-geist.woff2') format('woff2'); font-weight: 400 700; font-display: swap; }
@font-face { font-family: 'Geist Mono'; src: url('assets/fit3d-geist-mono.woff2') format('woff2'); font-weight: 400 500; font-display: swap; }
:root {
  --ground: #f5f4f0;
  --ink: #0b0b0b;
  --muted: #5d5b56;
  --rule: #d9d6cf;
  --soft: #ebe9e3;
  --sans: 'Geist', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ground); color: var(--ink); }
body { font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
.demo { max-width: 1180px; margin: 0 auto; padding: 0 32px 64px; }
.demo-mono { font: 500 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--ink); }
.demo-brand { font: 700 20px var(--sans); letter-spacing: -0.02em; }
.demo-notice { margin: 0; padding: 6px 10px; border: 1px solid var(--ink); }

.demo-hero { padding: 56px 0 40px; display: grid; gap: 14px; max-width: 720px; }
.demo-hero h1 { margin: 0; font: 500 52px/1.02 var(--sans); letter-spacing: -0.035em; }
.demo-hero p { margin: 0; color: var(--muted); max-width: 56ch; }

.demo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--rule); }
.demo-card { display: flex; flex-direction: column; gap: 12px; padding: 22px 20px 24px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--ground); }
.demo-card .demo-mono { color: var(--muted); }
.demo-index { font: 500 12px var(--mono); }
.demo-card h3 { margin: 0; font: 500 22px/1.15 var(--sans); letter-spacing: -0.02em; }
.demo-card p { margin: 0; font-size: 14px; color: var(--muted); }
.demo-badge { align-self: flex-start; padding: 3px 7px; border: 1px solid var(--ink); font: 500 10px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.demo-sizes { display: flex; flex-wrap: wrap; gap: 0; margin-top: auto; }
.demo-sizes label { position: relative; }
.demo-sizes input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.demo-sizes span { display: block; min-width: 42px; padding: 8px 6px; border: 1px solid var(--rule); margin: 0 -1px -1px 0; text-align: center; font: 500 13px var(--sans); }
.demo-sizes input:checked + span { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.demo-sizes input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.demo-launch { width: 100%; padding: 13px 16px; border: 1px solid var(--ink); border-radius: 0; background: var(--ink); color: var(--ground); font: 500 15px var(--sans); cursor: pointer; }
.demo-launch:hover { background: #2a2a2a; }
a.demo-launch { display: block; box-sizing: border-box; text-align: center; text-decoration: none; }
.demo-launch[aria-busy='true'] { opacity: 0.6; cursor: progress; }

.demo-how { padding: 56px 0 0; }
.demo-how h2 { margin: 0 0 20px; font: 500 30px/1.1 var(--sans); letter-spacing: -0.03em; }
.demo-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.demo-steps li { padding: 18px 20px 0 0; display: grid; gap: 6px; align-content: start; }
.demo-steps strong { font: 500 18px var(--sans); }
.demo-steps p { margin: 0; color: var(--muted); font-size: 15px; }

.demo-foot { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.demo-foot a { color: inherit; }

@media (max-width: 960px) {
  .demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .demo { padding: 0 16px 48px; }
  .demo-top { flex-direction: column; align-items: flex-start; gap: 10px; }
  .demo-hero { padding: 36px 0 28px; }
  .demo-hero h1 { font-size: 38px; }
  .demo-grid { grid-template-columns: minmax(0, 1fr); }
  .demo-steps { grid-template-columns: minmax(0, 1fr); }
  .demo-steps li { padding: 16px 0; border-bottom: 1px solid var(--rule); }
}

/* Page layout */
.demo-tag { color: var(--muted); }
.demo-group { padding-top: 36px; }
.demo-group-title { margin: 0 0 14px; font: 500 13px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.demo-card { min-height: 236px; }
.demo-card p { min-height: 2.9em; }
.demo-sizes { margin-top: auto; padding-top: 4px; }

/* The finder's 3D room on the demo: size, fit and colour only; no fabric or sample-note text. A
   faint tiled mark crosses the 3D view so a screen grab carries the name. */
.f3d-fabric, .f3d-note, .f3d-preview-badge, [data-fit='fitted'] { display: none !important; }
.f3d-stage-wrap::after {
  content: ''; position: absolute; inset: 0; z-index: 6; pointer-events: none; opacity: 0.08;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='340' height='212'><text x='170' y='112' text-anchor='middle' font-family='Arial,sans-serif' font-size='26' font-weight='700' letter-spacing='3' fill='%230b0b0b' transform='rotate(-24 170 106)'>DRAPA</text></svg>") 0 0 / 340px 212px;
}