/* Manifold shared styles — follows DESIGN-system.md component + pacing spec. */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Typography ---- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; color: var(--color-ink); margin: 0; }
h1 { font-size: clamp(3rem, 5vw, 5.25rem); line-height: .98; letter-spacing: -0.04em; }
h2 { font-size: clamp(2.25rem, 3.5vw, 4rem); line-height: 1.02; letter-spacing: -0.035em; }
h3 { font-size: 1.75rem; line-height: 1.12; letter-spacing: -0.02em; }
.display-sm { font-family: var(--font-display); font-weight: 500; font-size: 28px; line-height: 1.2; letter-spacing: -0.02em; }
p { margin: 0 0 var(--s-md); max-width: 68ch; line-height: 1.6; }
.lead { font-size: 1.375rem; color: var(--color-body-strong); line-height: 1.45; letter-spacing: -0.01em; }
.eyebrow { font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-muted); margin: 0 0 var(--s-md); }
.muted { color: var(--color-muted); }

/* ---- Layout ---- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s-lg); }
.section { padding: var(--s-section) 0; }
.section-tight { padding: var(--s-xxl) 0; }
.stack > * + * { margin-top: var(--s-md); }
.center { text-align: center; }
.grid { display: grid; gap: var(--s-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s-xs);
  font-family: var(--font-body); font-size: 14px; font-weight: 500; line-height: 1;
  height: var(--control-large); padding: 0 24px; border-radius: var(--radius-xs); border: 1px solid transparent;
  cursor: pointer; transition: background var(--duration-fast) var(--ease-standard),
  color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
  text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 3px; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--paper-000); color: var(--color-ink); border-color: var(--border-strong); }
.btn-primary:active { background: var(--color-primary-active); }
.btn-secondary { background: transparent; color: var(--color-ink); border-color: var(--border-default); }
.btn-secondary:hover { background: var(--color-ink); color: var(--color-on-primary); border-color: var(--color-ink); }
.btn-on-dark { background: var(--ivory-050); color: var(--ink-950); }
.btn-on-dark:hover { background: transparent; color: var(--color-on-dark); border-color: var(--stone-300); }
.btn-on-coral { background: var(--ivory-050); color: var(--ink-950); }
.btn-on-coral:hover { background: transparent; color: var(--color-on-dark); border-color: var(--stone-300); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-sm); }

/* ---- Top nav ---- */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--color-canvas) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid var(--border-subtle); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--color-ink); font-weight: 500; }
.brand:hover { text-decoration: none; }
.brand svg, .brand img { height: 26px; width: auto; display: block; }
.brand-word { font-family: var(--font-display); font-size: 17px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--color-ink); }
.nav-links { display: flex; align-items: center; gap: var(--s-lg); }
.nav-links a { font-family: var(--font-body); font-size: 14px; font-weight: 500; color: var(--color-ink); }
.nav-links a.plain { color: var(--color-muted); }
.nav-links a.plain:hover { color: var(--color-ink); text-decoration: none; }
.nav-links a.btn-primary { color: var(--color-on-primary); }
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; color: var(--color-ink); }

/* ---- Cards ---- */
.card { background: var(--color-surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); padding: var(--s-xl); }
.card-outline { background: var(--color-canvas); border: 1px solid var(--color-hairline); border-radius: var(--r-lg); padding: var(--s-xl); }
.card h3, .card .card-title { font-family: var(--font-body); font-weight: 600; font-size: 16px; letter-spacing: 0;
  color: var(--color-ink); line-height: 1.4; margin: 0 0 var(--s-xs); }
.card p { color: var(--color-body); margin-bottom: 0; }
.card-num { font-family: var(--font-display); font-weight: 500; font-size: 40px; color: var(--color-ink);
  letter-spacing: -0.04em; display: block; margin-bottom: var(--s-sm); font-variant-numeric: tabular-nums; }

/* ---- Dark product-mockup card ---- */
.mockup { background: var(--color-surface-dark); color: var(--color-on-dark); border-radius: var(--r-lg); padding: var(--s-xl); }
.mockup .win { background: var(--color-surface-dark-soft); border-radius: var(--r-md); padding: var(--s-lg); font-family: var(--font-mono); font-size: 13.5px; line-height: 1.7; color: var(--color-on-dark); overflow-x: auto; }
.win-bar { display: flex; gap: 6px; margin-bottom: var(--s-md); }
.win-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3733; display: inline-block; }
.tok-key { color: #e8a55a; } .tok-str { color: #9dc08b; } .tok-mut { color: var(--color-on-dark-soft); }
.tok-sig-order { color: #f0a35e; } .tok-sig-hold { color: #7fbf9a; } .tok-sig-stop { color: #d98c74; }
.mockup table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 13px; }
.mockup th { text-align: left; color: var(--color-on-dark-soft); font-weight: 400; padding: 6px 10px; border-bottom: 1px solid #34312d; }
.mockup td { padding: 6px 10px; border-bottom: 1px solid #2a2723; color: var(--color-on-dark); }
.mockup .cap { color: var(--color-on-dark-soft); font-family: var(--font-body); font-size: 13px; margin-top: var(--s-md); }

/* ---- Hero ---- */
.hero { padding: var(--s-section) 0 var(--s-xxl); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-xxl); align-items: center; }
.hero h1 { margin-bottom: var(--s-lg); }
.hero .lead { margin-bottom: var(--s-lg); }

/* ---- Proof strip ---- */
.proof { display: flex; flex-wrap: wrap; gap: var(--s-lg); border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline); padding: var(--s-lg) 0; }
.proof span { font-size: 14px; color: var(--color-muted); display: inline-flex; align-items: center; gap: var(--s-xs); }
.proof b { color: var(--color-ink); font-weight: 600; }

/* ---- Bands ---- */
.band-soft { background: var(--color-surface-soft); }
.band-dark { background: var(--color-surface-dark); color: var(--color-on-dark); }
.band-dark h2, .band-dark h3 { color: var(--color-on-dark); }
.callout { background: var(--ink-950); color: var(--color-on-dark); border-radius: var(--radius-none); padding: var(--s-xxl); }
.callout h2 { color: var(--color-on-dark); margin-bottom: var(--s-sm); }
.callout p { color: var(--stone-300); margin-bottom: var(--s-lg); }

/* ---- Steps ---- */
.step { display: flex; gap: var(--s-md); }
.step .n { flex: none; width: 34px; height: 34px; border-radius: var(--radius-xs);
  border: 1px solid var(--border-default); background: var(--paper-000);
  color: var(--color-ink); font-family: var(--font-mono); display: grid; place-items: center; font-size: 14px; }

/* ---- Badges ---- */
.badge { display: inline-block; background: var(--color-surface-card); color: var(--color-ink);
  font-size: 12px; font-weight: 500; border-radius: var(--radius-xs); padding: 4px 10px;
  border: 1px solid var(--border-subtle); font-family: var(--font-mono); letter-spacing: .04em; }
.badge-verify { background: #faedcf; color: var(--warning); border-color: #eadcb8; }

/* ---- Forms ---- */
.field { display: block; margin-bottom: var(--s-md); }
.field label { display: block; font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--s-xs); }
.field input, .field textarea { width: 100%; font-family: var(--font-body); font-size: 16px; color: var(--color-ink);
  background: var(--color-canvas); border: 1px solid var(--color-hairline); border-radius: var(--r-md); padding: 11px 14px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent); }

/* ---- Footer ---- */
.footer { background: var(--color-surface-dark); color: var(--color-on-dark-soft); padding: 64px 0 40px; }
.footer .brand-word, .footer .brand { color: var(--color-on-dark); }
.footer svg { filter: none; }
.footer-mark rect { fill: var(--color-on-dark); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s-xl); margin-bottom: var(--s-xl); }
.footer a { color: var(--color-on-dark-soft); font-size: 14px; display: block; margin-bottom: var(--s-xs); }
.footer a:hover { color: var(--color-on-dark); }
.footer h4 { color: var(--color-on-dark); font-family: var(--font-body); font-size: 13px; letter-spacing: 1px;
  text-transform: uppercase; margin: 0 0 var(--s-sm); font-weight: 500; }
.footer .fine { border-top: 1px solid #34312d; padding-top: var(--s-md); font-size: 13px; color: var(--color-muted-soft); }

/* ---- The Stack (work.html) ---- */
.stack-map-wrap { margin-top: var(--s-xl); }
.stack-map svg { width: 100%; height: auto; display: block; }
.stack-node { cursor: pointer; }
.stack-node rect { fill: var(--color-surface-dark-elevated); stroke: #34312d; stroke-width: 1; transition: stroke .15s ease, fill .15s ease; }
.stack-node:hover rect, .stack-node:focus rect, .stack-node.active rect { stroke-width: 1.5; fill: #2c2925; }
.stack-node text { font-family: var(--font-mono); font-size: 14px; fill: var(--color-on-dark); pointer-events: none; }
.stack-node .n-num { fill: var(--color-on-dark-soft); }
.stack-node:focus { outline: none; }
.stack-lane-h { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; }
.stack-lane-sub { font-family: var(--font-body); font-size: 12px; fill: var(--color-on-dark-soft); letter-spacing: 0.4px; }
.stack-src rect { fill: var(--color-surface-dark-soft); stroke: #34312d; }
.stack-flow { fill: none; stroke: #3a3733; stroke-width: 1.2; stroke-dasharray: 5 6; animation: stackflow 28s linear infinite; }
@keyframes stackflow { to { stroke-dashoffset: -1100; } }
@media (prefers-reduced-motion: reduce) { .stack-flow { animation: none; } }

/* Detail panel */
.stack-panel { border: 1px solid var(--color-hairline); border-radius: var(--r-lg); background: var(--color-canvas); padding: var(--s-xl); scroll-margin-top: 84px; }
.stack-label { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--color-muted); }
.stack-label b { font-weight: 500; }
.stack-panel h2 { margin-top: var(--s-sm); }
.stack-tag { font-size: 17px; color: var(--color-body-strong); margin-top: var(--s-xs); }
.stack-cols { display: grid; grid-template-columns: 1.15fr .85fr; gap: var(--s-xl); margin-top: var(--s-lg); }
.stack-h { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; color: var(--color-muted); margin: var(--s-lg) 0 var(--s-xs); }
.stack-h:first-child { margin-top: 0; }
.stack-impact { list-style: none; margin: 0; padding: 0; }
.stack-impact li { padding-left: 20px; position: relative; margin-bottom: var(--s-xs); }
.stack-impact li::before { content: "→"; position: absolute; left: 0; color: var(--signal-violet); }
.shot-frame { background: var(--color-surface-dark); border-radius: var(--r-md); padding: var(--s-md); }
.shot-frame .cap { color: var(--color-on-dark-soft); font-size: 12.5px; font-family: var(--font-mono); margin-top: var(--s-sm); }
.shot-slot { aspect-ratio: 16/10; border: 1px dashed #3a3733; border-radius: var(--r-sm); display: grid; place-items: center; color: var(--color-on-dark-soft); font-family: var(--font-mono); font-size: 12px; text-align: center; padding: var(--s-md); }
.shot-frame img { width: 100%; border-radius: var(--r-sm); display: block; }
.stat-card { background: var(--color-surface-soft); border-radius: var(--r-md); padding: var(--s-lg); margin-top: var(--s-lg); }
.stat-card .big { font-family: var(--font-display); font-weight: 500; font-size: 40px; color: var(--color-ink); letter-spacing: -0.04em; display: block; font-variant-numeric: tabular-nums; }
.stat-card p { font-size: 14.5px; margin: var(--s-xs) 0 0; }
.stat-card .src { font-size: 12.5px; color: var(--color-muted); }
.chips { display: flex; flex-wrap: wrap; gap: var(--s-xs); margin-top: var(--s-lg); }
.chip { font-family: var(--font-mono); font-size: 12px; color: var(--color-body); background: var(--color-surface-card); border-radius: var(--r-pill); padding: 4px 12px; }

/* ---- Flow diagram (light surface): sources → warehouse → outputs ---- */
.diagram { margin: var(--s-xl) 0; }
.diagram svg { width: 100%; height: auto; display: block; }
.dg-box { fill: var(--color-canvas); stroke: var(--color-hairline); stroke-width: 1.2; }
.dg-out { fill: var(--color-surface-card); stroke: none; }
.dg-hub { fill: var(--ink-950); }
.dg-t { font-family: var(--font-mono); font-size: 14px; fill: var(--color-ink); }
.dg-s { font-family: var(--font-body); font-size: 11.5px; fill: var(--color-muted); }
.dg-hub-t { font-family: var(--font-mono); font-size: 17px; fill: #faf9f5; }
.dg-hub-s { font-family: var(--font-body); font-size: 12px; fill: rgba(250,249,245,.75); }
.flow-light { fill: none; stroke: #cfc7bb; stroke-width: 1.2; stroke-dasharray: 5 6; animation: stackflow 28s linear infinite; }
@media (prefers-reduced-motion: reduce) { .flow-light { animation: none; } }
.dg-cap { font-size: 13px; color: var(--color-muted); margin-top: var(--s-sm); }

/* Stack teaser (homepage) */
.lane-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--s-sm); padding: var(--s-md) 0; border-bottom: 1px solid #34312d; }
.lane-row:last-child { border-bottom: 0; }
.lane-name { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; flex: 0 0 190px; }
.chip-dark { font-family: var(--font-mono); font-size: 12.5px; color: var(--color-on-dark); background: transparent;
  border: 1px solid var(--ink-800); border-radius: var(--radius-xs); padding: 7px 12px; text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-standard); }
.chip-dark:hover { border-color: var(--signal-violet); text-decoration: none; }
.chip-dark .n { color: var(--stone-400); margin-right: 8px; }
@media (max-width: 768px) { .lane-name { flex-basis: 100%; } }

/* ---- Charts ---- */
.chart { margin: var(--s-xl) 0 var(--s-sm); }
.chart svg { width: 100%; height: auto; display: block; }
.ch-grid { stroke: var(--color-hairline-soft); stroke-width: 1; }
.ch-axis { font-family: var(--font-mono); font-size: 11px; fill: var(--color-muted-soft); }
.ch-lbl { font-family: var(--font-mono); font-size: 12px; fill: var(--color-body-strong); }
.ch-bar rect.b { fill: var(--signal-violet); }
.ch-bar.mtd rect.b { fill: var(--color-primary); opacity: .55; }
.ch-bar text { opacity: 0; transition: opacity .12s ease; }
.ch-bar:hover text, .ch-bar.hot text { opacity: 1; }
.ch-line { fill: none; stroke: var(--signal-violet); stroke-width: 2; }
.ch-dot { fill: var(--signal-violet); stroke: var(--color-canvas); stroke-width: 2; }
.ch-s1 { stroke: #6d5ef7; } .ch-d1 { fill: #6d5ef7; }
.ch-s2 { stroke: #3676c8; } .ch-d2 { fill: #3676c8; }
.ch-legend { display: flex; flex-wrap: wrap; gap: var(--s-lg); margin: var(--s-md) 0 var(--s-xs); }
.ch-legend span { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--color-body); }
.ch-legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
.chart-table { margin-top: var(--s-xs); }
.chart-table summary { font-size: 13px; color: var(--color-muted); cursor: pointer; }
.chart-table table { border-collapse: collapse; font-size: 13.5px; margin-top: var(--s-xs); }
.chart-table th, .chart-table td { text-align: right; padding: 4px 12px; border-bottom: 1px solid var(--color-hairline-soft); }
.chart-table th:first-child, .chart-table td:first-child { text-align: left; }

/* Timeline */
.tl-axis { stroke: var(--color-hairline); stroke-width: 1.5; }
.tl-stem { stroke: var(--color-hairline); stroke-width: 1; }
.tl-dot { fill: var(--color-primary); }
.tl-t { font-family: var(--font-mono); font-size: 11.5px; fill: var(--color-body-strong); }
.tl-d { font-family: var(--font-mono); font-size: 10.5px; fill: var(--color-muted-soft); }

/* ---- The Console: command-palette product explorer ---- */
.console { background: var(--ink-950); border: 1px solid var(--ink-800); border-radius: var(--radius-sm); padding: var(--s-md); }
.console-search { display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  background: var(--color-surface-dark-soft); border: 1px solid #34312d; border-radius: var(--r-md); }
.console-search input { flex: 1; background: none; border: 0; outline: none; color: var(--color-on-dark);
  font-family: var(--font-mono); font-size: 15px; }
.console-search input::placeholder { color: #6f6b64; }
.console-search .slash { font-family: var(--font-mono); font-size: 11px; color: var(--color-on-dark-soft);
  border: 1px solid #3d3a35; border-radius: 4px; padding: 2px 6px; }
.console-filters { display: flex; flex-wrap: wrap; gap: 6px; margin: var(--s-sm) 0 var(--s-sm); }
.cf { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .6px; color: var(--color-on-dark-soft);
  border: 1px solid #34312d; border-radius: var(--r-pill); padding: 4px 11px; cursor: pointer; background: none; }
.cf:hover { color: var(--color-on-dark); }
.cf.on { background: var(--ivory-050); color: var(--ink-950); border-color: var(--ivory-050); }
.console-cols { display: grid; grid-template-columns: 340px 1fr; gap: var(--s-md); }
.console-list { max-height: 460px; overflow-y: auto; display: grid; gap: 2px; align-content: start; }
.console-group { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.6px; color: #6f6b64;
  padding: 10px 10px 4px; }
.ci { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--r-sm);
  cursor: pointer; border: 0; background: none; width: 100%; text-align: left; }
.ci:hover { background: #232019; }
.ci.on { background: var(--ink-800); box-shadow: inset 2px 0 0 var(--signal-violet); }
.ci .dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.ci .nm { font-family: var(--font-body); font-size: 14px; color: var(--color-on-dark); flex: 1; }
.ci .no { font-family: var(--font-mono); font-size: 11px; color: #6f6b64; }
.ci.on .no { color: rgba(255,255,255,.7); }
.console-preview { background: var(--color-surface-dark-soft); border: 1px solid #34312d;
  border-radius: var(--r-md); padding: var(--s-lg); min-height: 460px; }
.console-preview .pv-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.6px; }
.console-preview h3 { color: var(--color-on-dark); font-size: 26px; margin: 8px 0 6px; }
.console-preview .pv-tag { color: var(--color-on-dark-soft); font-size: 14.5px; margin: 0 0 var(--s-md); max-width: 54ch; }
.console-preview .figure-illus { background: #14120f; border-color: #2b2823; }
.console-preview .figure-illus .figure-title { color: var(--color-on-dark); }
.console-preview .figure-illus .figure-legend li { color: var(--color-on-dark-soft); }
.console-preview .figure-illus .cap { color: #6f6b64; }
.console-hint { display: flex; gap: 14px; padding: var(--s-sm) 4px 2px; font-family: var(--font-mono);
  font-size: 11px; color: #6f6b64; }
.console-empty { color: var(--color-on-dark-soft); font-family: var(--font-mono); font-size: 13px; padding: 20px 10px; }
@media (max-width: 900px) {
  .console-cols { grid-template-columns: 1fr; }
  .console-list { max-height: none; }
  .console-preview { min-height: 0; }
}

/* ---- Stylized product UI (illustrative, hand-built — not screenshots) ---- */
.ui { background: var(--color-canvas); border: 1px solid var(--color-hairline);
  border-radius: var(--r-md); overflow: hidden; font-size: 13px; }
.ui-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px;
  background: var(--color-surface-soft); border-bottom: 1px solid var(--color-hairline); }
.ui-bar i { width: 8px; height: 8px; border-radius: 50%; background: #d9d2c7; display: block; }
.ui-bar span { margin-left: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--color-muted); }
.ui-body { padding: var(--s-md); display: grid; gap: 10px; }
.ui-row { display: flex; align-items: center; gap: 8px; }
.ui-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--color-muted-soft); }
.ui-input { border: 1px solid var(--color-hairline); border-radius: var(--r-sm);
  padding: 9px 11px; color: var(--color-body-strong); background: #fff; }
.ui-input.mono { font-family: var(--font-mono); font-size: 12.5px; }
.ui-chip { border: 1px solid var(--color-hairline); border-radius: var(--r-pill);
  padding: 3px 10px; font-size: 12px; color: var(--color-body); background: #fff; white-space: nowrap; }
.ui-chip.on { background: var(--violet-surface); border-color: #d9d3ff; color: #4a3fd0; }
.ui-chip.warn { background: #f6ecd9; border-color: #e8dcc0; color: #8a6d1f; }
.ui-chip.good { background: #e9f2e9; border-color: #cfe1cf; color: #3f6b46; }
.ui-btn { background: var(--ink-950); color: var(--ivory-050); border-radius: var(--radius-xs);
  padding: 8px 14px; font-size: 12.5px; display: inline-block; }
.ui-btn.ghost { background: #fff; color: var(--color-ink); border: 1px solid var(--color-hairline); }
.ui-tile { border: 1px solid var(--color-hairline); border-radius: var(--r-sm); padding: 10px 12px; background: #fff; }
.ui-tile b { display: block; font-family: var(--font-display); font-weight: 500; font-size: 24px; color: var(--color-ink);
  letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.ui-tile span { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--color-muted-soft); }
.ui-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ui-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ui-line { height: 8px; border-radius: 4px; background: var(--color-surface-cream-strong); }
.ui-line.p { background: var(--color-primary); }
.ui-list { display: grid; gap: 6px; }
.ui-item { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1px solid var(--color-hairline); border-radius: var(--r-sm); padding: 9px 11px; background: #fff; }
.ui-item .who { display: flex; align-items: center; gap: 8px; color: var(--color-body-strong); }
.ui-avatar { width: 22px; height: 22px; border-radius: 50%; background: var(--color-surface-cream-strong);
  flex: none; display: grid; place-items: center; font-size: 10px; color: var(--color-muted); font-family: var(--font-mono); }
.ui-num { font-family: var(--font-mono); font-size: 12.5px; color: var(--color-ink); }
.ui-bubble { border-radius: 12px; padding: 8px 12px; font-size: 12.5px; max-width: 82%; }
.ui-bubble.them { background: var(--color-surface-card); color: var(--color-body-strong); }
.ui-bubble.us { background: var(--ink-900); color: var(--ivory-050); margin-left: auto; }
.ui-note { font-family: var(--font-mono); font-size: 11px; color: var(--color-muted-soft); }
.ui-answer { border-left: 2px solid var(--signal-violet); padding-left: 12px; }
.ui-answer b { font-family: var(--font-display); font-weight: 500; font-size: 30px; color: var(--color-ink); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }

.figure-illus { background: var(--color-surface-soft); border: 1px solid var(--color-hairline);
  border-radius: var(--r-lg); padding: var(--s-md); }
.figure-illus .figure-title { color: var(--color-ink); font-size: 14.5px; font-weight: 600; margin: 2px 0 10px; }
.figure-illus .cap { color: var(--color-muted); font-family: var(--font-mono); font-size: 11px;
  margin-top: var(--s-sm); line-height: 1.5; }
.figure-illus .figure-legend { margin-top: var(--s-md); }
.figure-illus .figure-legend li { color: var(--color-body); font-size: 13.5px; }
.figure-illus .figure-legend .k { background: var(--signal-violet); color: #fff; }

/* ---- Annotated product figure ---- */
.figure { background: var(--color-surface-dark); border-radius: var(--r-lg); padding: var(--s-md); }
.figure-frame { position: relative; border-radius: var(--r-sm); overflow: hidden; background: #fff; }
.figure-frame img { width: 100%; display: block; }
/* dim + spotlight */
.figure-frame .spot { position: absolute; border: 2px solid var(--color-accent-amber);
  border-radius: 6px; box-shadow: 0 0 0 9999px rgba(11,10,9,.46); pointer-events: none; }
.pin { position: absolute; width: 26px; height: 26px; border-radius: var(--radius-round); background: var(--signal-violet);
  color: #1c1608; font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  display: grid; place-items: center; transform: translate(-50%, -50%);
  box-shadow: 0 0 0 3px rgba(11,10,9,.55); }
.figure-legend { list-style: none; margin: var(--s-md) 0 0; padding: 0; display: grid; gap: 8px; }
.figure-legend li { display: flex; gap: 10px; align-items: flex-start; color: var(--color-on-dark);
  font-size: 14px; line-height: 1.45; }
.figure-legend .k { flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-accent-amber); color: #1c1608; font-family: var(--font-mono); font-size: 12px;
  display: grid; place-items: center; margin-top: 1px; }
.figure .cap { color: var(--color-on-dark-soft); font-size: 12.5px; font-family: var(--font-mono);
  margin-top: var(--s-md); }
.figure-title { color: var(--color-on-dark); font-size: 15px; font-weight: 500; margin: 0 0 var(--s-sm); }

/* Product index grid */
.stack-index .card { display: block; color: inherit; }
.stack-index a.card:hover { text-decoration: none; outline: 2px solid var(--color-primary); outline-offset: 0; }
.cat-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; }

@media (max-width: 900px) {
  .stack-map-wrap { display: none; }
  .stack-cols { grid-template-columns: 1fr; }
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column;
    align-items: flex-start; gap: var(--s-md); background: var(--color-canvas); padding: var(--s-lg);
    border-bottom: 1px solid var(--color-hairline); }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-xl); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .callout { padding: var(--s-xl); }
}

/* ---- Logo lockup (design.md §7): emblem left, VESPOKE wordmark right ---- */
.brand { gap: 12px; }
.footer .brand-word { color: var(--color-on-dark); }

/* ---- Footer: dense grid directory, compact uppercase headings ---- */
.footer { background: var(--ink-1000); color: var(--stone-300); }
.footer h4 { font-family: var(--font-mono); letter-spacing: .12em; font-size: 11px; }
.footer .fine { font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em;
  border-top: 1px solid var(--ink-800); color: var(--stone-400); }
.footer a { color: var(--stone-300); }
.footer a:hover { color: #fff; }

/* ---- Dark bands use the ink scale ---- */
.band-dark { background: var(--ink-950); }
.mockup { background: var(--ink-900); border: 1px solid var(--ink-800); border-radius: var(--radius-md); }
.mockup .win { background: var(--ink-1000); border-radius: var(--radius-xs); }
.win-bar i { background: var(--ink-700); }
.card-outline { border-color: var(--border-subtle); border-radius: var(--radius-sm); }
.band-soft { background: var(--color-surface-soft); }

/* ---- Section rhythm: 128 / 80 / 64 ---- */
@media (max-width: 1024px) { .section { padding: 80px 0; } }

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Terminal syntax → semantic dark-mode colors (design.md §4: data colors keep meaning) */
.tok-key { color: var(--warning-dark); }
.tok-str { color: var(--success-dark); }
.tok-mut { color: var(--stone-400); }
.tok-sig-order { color: var(--warning-dark); }
.tok-sig-hold  { color: var(--success-dark); }
.tok-sig-stop  { color: var(--danger-dark); }
.mockup th { border-bottom-color: var(--ink-800); }
.mockup td { border-bottom-color: var(--ink-900); }

/* ---- Layered sections: visual first, depth on demand (NN/g progressive disclosure) ---- */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border-subtle);
  border: 1px solid var(--border-subtle); margin: var(--s-lg) 0; }
.tile { background: var(--color-canvas); padding: var(--s-lg); }
.tile b { display: block; font-family: var(--font-display); font-weight: 500; font-size: 34px;
  letter-spacing: -0.04em; color: var(--color-ink); font-variant-numeric: tabular-nums; line-height: 1; }
.tile span { display: block; font-size: 13.5px; color: var(--color-body); margin-top: 8px; line-height: 1.4; }
.tile em { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--color-muted-soft); font-style: normal; margin-top: 6px; }
@media (max-width: 900px) { .tiles { grid-template-columns: repeat(2, 1fr); } }

.vtable { width: 100%; border-collapse: collapse; margin: var(--s-lg) 0; font-size: 14.5px; }
.vtable th { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--color-muted-soft); text-align: left; font-weight: 500; padding: 0 16px 10px 0;
  border-bottom: 1px solid var(--border-default); }
.vtable td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--border-subtle);
  color: var(--color-body); vertical-align: top; line-height: 1.45; }
.vtable td:first-child { color: var(--color-ink); font-weight: 500; white-space: nowrap; }
.vtable tr:last-child td { border-bottom: 0; }

details.more { margin-top: var(--s-md); border-top: 1px solid var(--border-subtle); padding-top: var(--s-sm); }
details.more > summary { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--color-muted); cursor: pointer; list-style: none; padding: 4px 0; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::after { content: " +"; color: var(--signal-violet); }
details.more[open] > summary::after { content: " –"; }
details.more > summary:hover { color: var(--color-ink); }
details.more .stack { margin-top: var(--s-md); }
.band-dark details.more { border-top-color: var(--ink-800); }
.band-dark details.more > summary { color: var(--stone-400); }
.tile b.sm { font-size: 26px; }

/* ---- Operator note: the one place first person is allowed ---- */
.opnote { border-left: 2px solid var(--signal-violet); padding: 2px 0 2px var(--s-lg); }
.opnote .who { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--color-muted-soft); margin: 0 0 var(--s-sm); }
.opnote .said { font-family: var(--font-display); font-weight: 500; font-size: 26px; line-height: 1.22;
  letter-spacing: -0.02em; color: var(--color-ink); margin: 0 0 var(--s-md); max-width: 26ch; }
.opnote p { color: var(--color-body); }

/* ---- Hero flow diagram ---- */
.flow-wrap { margin-top: var(--s-xxl); }
.diagram-tall { display: none; }
.dg-lane { font-family: var(--font-mono); font-size: 9px; letter-spacing: .14em; fill: var(--color-muted-soft); }
@media (max-width: 780px) {
  .diagram-wide { display: none; }
  .diagram-tall { display: block; }
  .hero { padding: var(--s-xxl) 0 var(--s-lg); }
  .flow-wrap { margin-top: var(--s-lg); }
}

/* ---- Mobile: restack tables, tighten rhythm, cap heading size ---- */
@media (max-width: 780px) {
  .vtable, .vtable thead, .vtable tbody, .vtable tr, .vtable th, .vtable td { display: block; width: auto; }
  .vtable thead { display: none; }
  .vtable tr { border-bottom: 1px solid var(--border-subtle); padding: 14px 0; }
  .vtable tr:last-child { border-bottom: 0; }
  .vtable td { border: 0; padding: 2px 0; }
  .vtable td:first-child { font-weight: 600; color: var(--color-ink); white-space: normal; }
  .vtable td[data-l]::before { content: attr(data-l) " · "; font-family: var(--font-mono);
    font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-muted-soft); }

  h1 { font-size: clamp(2.25rem, 11vw, 3rem); }
  h2 { font-size: clamp(1.75rem, 7.5vw, 2.25rem); }
  .lead { font-size: 1.125rem; }
  .section { padding: 56px 0; }
  .section-tight { padding: 40px 0; }
  .tiles { grid-template-columns: 1fr; }
  .tile { padding: var(--s-md); }
  .tile b { font-size: 28px; }
  .callout { padding: var(--s-lg); }
  .chart svg, .diagram svg { min-width: 0; }
  details.more > summary { padding: 8px 0; }
}

/* ---- Grid min-width:auto fix: tracks must be allowed to shrink ---- */
.console-cols { grid-template-columns: minmax(0, 340px) minmax(0, 1fr); }
.console-list, .console-preview { min-width: 0; }
.ci { min-width: 0; }
.ci .nm { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.console-preview .figure-illus, .console-preview .ui { max-width: 100%; }
.ui, .ui-body, .ui-item, .ui-row { min-width: 0; }
.ui-row { flex-wrap: wrap; }
.ui-item .who { min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 900px) {
  .console-cols { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 780px) {
  .console { padding: var(--s-sm); }
  .console-search input { font-size: 16px; min-width: 0; }
  .console-list { max-height: 320px; }
  .console-preview { padding: var(--s-md); }
  .ui-grid2, .ui-grid3 { grid-template-columns: 1fr; }
  .figure-legend li { font-size: 13px; }
}

/* ---- Console on mobile: accordion, no nested scroll ---- */
@media (max-width: 900px) {
  .console-list { max-height: none; overflow: visible; gap: 0; }
  .console-preview { min-height: 0; }
  .console-preview.inline { margin: 4px 0 12px; border-color: var(--ink-700); }
  .ci { padding: 13px 10px; border-bottom: 1px solid var(--ink-900); }
  .ci .nm { font-size: 15px; }
  .ci::after { content: "+"; font-family: var(--font-mono); color: var(--stone-400); margin-left: 6px; }
  .ci.on::after { content: "–"; color: var(--signal-violet-soft); }
  .console-group { padding-top: 14px; }
  .console-hint { flex-wrap: wrap; gap: 10px; }
}

/* ---- Tap targets: 44px minimum on touch (design.md §13 / WCAG 2.2) ----
   Inline links inside prose are exempt (WCAG inline exception) and stay as-is. */
@media (max-width: 900px) {
  .nav-toggle { min-width: 44px; min-height: 44px; display: none; place-items: center; }
  .nav-toggle { line-height: 1; }
  .brand { min-height: 44px; align-items: center; }
  .chip-dark { min-height: 44px; display: inline-flex; align-items: center; }
  .cf { min-height: 44px; display: inline-flex; align-items: center; }
  .footer a { display: inline-block; min-height: 44px; line-height: 44px; margin-bottom: 0; }
  .footer .brand a, .footer .brand { line-height: normal; }
  .console-search { min-height: 48px; align-items: center; }
  .console-search input { min-height: 24px; }
  .chart-table summary, details.more > summary { min-height: 44px; display: flex; align-items: center; }
  .nav-links a { min-height: 44px; display: inline-flex; align-items: center; }
}
@media (max-width: 768px) { .nav-toggle { display: grid; } }
.lane-links { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
@media (max-width: 900px) {
  .lane-links a { min-height: 44px; display: inline-flex; align-items: center; }
  .console-search input { min-height: 44px; }
}

/* Tile grids as classes (inline styles beat media queries — do not inline these) */
.tiles-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.tiles-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.tiles-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.tiles { grid-template-columns: repeat(auto-fit, minmax(0,1fr)); }
@media (max-width: 900px) { .tiles, .tiles-2, .tiles-3, .tiles-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .tiles, .tiles-2, .tiles-3, .tiles-4 { grid-template-columns: minmax(0,1fr); } }