/* =========================================================
   AI Qadam Brand Guidelines — page chrome
   Shared by index.html (landing), brand.html, system.html.
   Component & token rules live in components.css and tokens.css.
   ========================================================= */

/* Sticky header is 56px; offset anchor jumps so headings clear it. */
html { scroll-padding-top: 80px; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ---------- TOC layout ---------- */
.toc-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 64px;
  padding: 40px 0 120px;
}
@media (max-width: 1024px) {
  .toc-layout { grid-template-columns: 1fr; gap: 24px; }
  .toc { display: none; }
}
.toc {
  position: sticky;
  top: 80px;
  align-self: start;
  font-size: 13px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.toc-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  margin: 0 0 14px 0;
  padding: 0 12px;
}
.toc a {
  display: block;
  padding: 6px 12px;
  color: var(--muted-foreground);
  border-left: 1px solid var(--border);
  transition: color 150ms var(--ease-out), border-color 150ms var(--ease-out);
}
.toc a:hover { color: var(--foreground); border-left-color: color-mix(in oklch, var(--primary) 60%, transparent); }
.toc a.section { color: var(--foreground); font-weight: 500; margin-top: 12px; }
.toc a.sub { padding-left: 24px; font-size: 12px; }
.toc a.active { color: var(--primary); border-left-color: var(--primary); }
.toc a.sub.active { font-weight: 500; }

/* ---------- Page overview cards (above the fold map) ---------- */
.page-overview {
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
}
.page-overview-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  margin: 0 0 20px 0;
}
.page-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.page-overview-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  text-decoration: none;
  transition: border-color 150ms var(--ease-out), background 150ms var(--ease-out), transform 150ms var(--ease-out);
}
.page-overview-card:hover {
  border-color: color-mix(in oklch, var(--primary) 50%, var(--border));
  background: color-mix(in oklch, var(--card) 92%, var(--primary));
  transform: translateY(-1px);
}
.page-overview-card .num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  text-transform: uppercase;
}
.page-overview-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--foreground);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-overview-card p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted-foreground);
  margin: 0;
}

/* ---------- Hero ---------- */
.doc-hero { padding: 64px 0 32px; }
.doc-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 60px;
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 0 0 20px 0;
}
.doc-hero .tagline {
  font-size: 18px;
  color: var(--muted-foreground);
  max-width: 640px;
  line-height: 1.5;
  margin: 0 0 32px 0;
}
.doc-hero .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
}
.doc-hero .meta-row .item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ---------- Color swatches ---------- */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.swatch {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}
.swatch-color { height: 64px; border-bottom: 1px solid var(--border); }
.swatch-meta {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.swatch-name { font-size: 13px; font-weight: 500; color: var(--foreground); }
.swatch-value { font-family: var(--font-mono); font-size: 11px; color: var(--muted-foreground); word-break: break-all; }

/* ---------- Type specimen ---------- */
.type-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.type-row:last-child { border-bottom: 0; }
.type-key { font-family: var(--font-mono); font-size: 11px; color: var(--muted-foreground); line-height: 1.5; }
.type-key .px { display: block; color: var(--foreground); font-size: 13px; margin-top: 2px; }
.type-sample.geist { font-family: var(--font-display); font-weight: 600; }
.type-sample.inter { font-family: var(--font-sans); }
.type-sample.mono  { font-family: var(--font-mono); }

/* ---------- Spacing scale ---------- */
.space-row {
  display: grid;
  grid-template-columns: 120px 80px 1fr;
  gap: 16px;
  align-items: center;
  padding: 8px 0;
}
.space-bar { height: 16px; background: var(--primary); border-radius: 3px; opacity: 0.85; }

/* ---------- Radius scale ---------- */
.radius-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
.radius-tile {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  background: var(--card);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
}
.radius-tile .lab { font-family: var(--font-mono); font-size: 11px; color: var(--muted-foreground); }
.radius-tile .val { font-family: var(--font-mono); font-size: 11px; color: var(--foreground); margin-top: 2px; }

/* ---------- Component preview blocks ---------- */
.preview {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(var(--background), var(--background)),
    repeating-linear-gradient(45deg, transparent, transparent 11px, color-mix(in oklch, var(--muted) 60%, transparent) 11px, color-mix(in oklch, var(--muted) 60%, transparent) 12px);
  padding: 32px;
  margin-bottom: 16px;
}
.preview-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.preview-row + .preview-row { margin-top: 16px; }
.preview-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  margin-bottom: 14px;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 720px) { .two-col { grid-template-columns: 1fr; } }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }

/* ---------- Mockup-specific ---------- */
.mockup .home-hero {
  padding: 56px 48px 48px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.mockup .home-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.mockup .home-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 20px 0;
}
.mockup .home-hero p { font-size: 16px; color: var(--muted-foreground); line-height: 1.55; margin: 0 0 28px 0; max-width: 460px; }
.mockup .home-hero .actions { display: flex; gap: 10px; }
.mockup .home-hero .feat-cover { aspect-ratio: 4 / 3; height: auto; }

.mockup-section { padding: 48px; border-bottom: 1px solid var(--border); }
.mockup-section:last-child { border-bottom: 0; }
.mockup-section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.015em;
  margin: 0 0 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mockup-section h2 .all {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-foreground);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.event-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .event-grid-3 { grid-template-columns: 1fr; } }

.about-row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.about-row h3 { font-family: var(--font-display); font-weight: 600; font-size: 20px; margin: 0 0 10px 0; letter-spacing: -0.01em; }
.about-row p { font-size: 14px; color: var(--muted-foreground); line-height: 1.6; margin: 0; }

.partners-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.partner {
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
  letter-spacing: 0.04em;
}

/* ---------- Event detail mockup ---------- */
.event-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  padding: 48px;
}
.event-detail .sidebar {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: var(--card);
  align-self: start;
  position: sticky;
  top: 80px;
}
.event-detail .sidebar .price {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.event-detail .sidebar .price-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  margin-bottom: 16px;
}
.event-detail .sidebar .info-row {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}
.event-detail .sidebar .info-row:last-of-type { border-bottom: 1px solid var(--border); }
.event-detail .sidebar .info-row svg { width: 16px; height: 16px; color: var(--muted-foreground); margin-top: 2px; }
.event-detail .sidebar .info-row .v-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.event-detail .sidebar .info-row .v-value { font-size: 13px; color: var(--foreground); line-height: 1.4; }
.event-detail .sidebar .full-btn { width: 100%; margin-top: 16px; }
.event-detail .main h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 24px 0 12px 0;
}
.event-detail .main .tag-row { display: flex; gap: 8px; margin-bottom: 24px; }
.event-detail .main section { margin-top: 40px; }
.event-detail .main section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 0 0 14px 0;
}
.event-detail .main p { font-size: 15px; color: var(--muted-foreground); line-height: 1.65; margin: 0 0 10px 0; }

.agenda-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.agenda-row:last-child { border-bottom: 1px solid var(--border); }
.agenda-row .time { font-family: var(--font-mono); font-size: 12px; color: var(--muted-foreground); }
.agenda-row .item-title { font-size: 14px; color: var(--foreground); font-weight: 500; margin-bottom: 2px; }
.agenda-row .item-who { font-size: 12px; color: var(--muted-foreground); font-family: var(--font-mono); }

/* ---------- Profile mockup ---------- */
.profile-header {
  padding: 48px 48px 32px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: center;
}
.profile-header .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.02em;
  margin: 0 0 4px 0;
}
.profile-header .handle { font-family: var(--font-mono); font-size: 13px; color: var(--muted-foreground); margin-bottom: 14px; }
.profile-header .bio { font-size: 14px; color: var(--foreground); line-height: 1.55; max-width: 560px; margin-bottom: 14px; }
.profile-header .meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
}
.profile-header .meta .item { display: inline-flex; align-items: center; gap: 6px; }
.profile-header .meta svg { width: 14px; height: 14px; }

.profile-section { padding: 32px 48px; border-bottom: 1px solid var(--border); }
.profile-section:last-child { border-bottom: 0; }
.profile-section h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.profile-section h2 .count { font-family: var(--font-mono); font-size: 12px; font-weight: 400; color: var(--muted-foreground); }

.heatmap-wrap { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.heatmap-legend { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--muted-foreground); }
.heatmap-legend .heatmap-cell { width: 12px; height: 12px; }

/* ---------- Footer ---------- */
.doc-footer {
  padding: 64px 0 40px;
  text-align: center;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.doc-footer .row + .row { margin-top: 8px; }
.doc-footer a { color: var(--muted-foreground); border-bottom: 1px solid transparent; transition: color 150ms var(--ease-out), border-color 150ms var(--ease-out); }
.doc-footer a:hover { color: var(--foreground); border-bottom-color: var(--border); }
.doc-footer details.footer-licenses { display: inline-block; }
.doc-footer details.footer-licenses summary { cursor: pointer; list-style: none; display: inline-block; }
.doc-footer details.footer-licenses summary::-webkit-details-marker { display: none; }
.doc-footer details.footer-licenses summary::after { content: " ▾"; font-size: 10px; opacity: 0.6; margin-left: 4px; }
.doc-footer details.footer-licenses[open] summary::after { content: " ▴"; }
.doc-footer details.footer-licenses .licenses-list { margin-top: 8px; }

/* ---------- Form preview ---------- */
.form-row { margin-bottom: 16px; }
.form-row:last-child { margin-bottom: 0; }

/* =========================================================
   Brand pillar
   ========================================================= */
.brand-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--primary) 8%, var(--background)),
      var(--background) 70%);
}
.brand-positioning {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 8px 0;
}
.brand-tagline {
  font-size: 16px;
  color: var(--muted-foreground);
  margin: 0 0 20px 0;
  font-style: italic;
}
.brand-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.brand-hashtag { font-size: 12px; color: var(--primary); margin: 0; }

.logo-showcase { gap: 16px; }
.logo-cell {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--card);
}
.logo-cell-stage {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 32px;
  min-height: 220px;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 11px, color-mix(in oklch, var(--muted) 60%, transparent) 11px, color-mix(in oklch, var(--muted) 60%, transparent) 12px);
}
.logo-cell-meta { padding: 16px 20px; border-top: 1px solid var(--border); }
.cell-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  margin: 0 0 4px 0;
  letter-spacing: -0.01em;
}
.cell-desc { font-size: 13px; color: var(--muted-foreground); margin: 0 0 8px 0; line-height: 1.55; }
.cell-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.logo-sizes {
  display: flex;
  gap: 40px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}
.size-cell { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.size-cell span { font-family: var(--font-mono); font-size: 11px; color: var(--muted-foreground); }

.dont-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.dont-cell {
  display: flex;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}
.dont-mark { color: var(--destructive); font-weight: 600; font-size: 16px; flex-shrink: 0; line-height: 1.4; }
.dont-cell p { font-size: 13px; color: var(--muted-foreground); line-height: 1.5; margin: 0; }
.dont-cell p em { color: var(--foreground); font-style: normal; }

.brand-color-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}
.brand-color-chip { height: 140px; background: var(--primary); border-radius: var(--radius); }
.brand-color-tokens { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
@media (max-width: 720px) {
  .brand-color-row { grid-template-columns: 1fr; }
  .brand-color-chip { height: 80px; }
}

.principle-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.principle {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}
.principle-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin: 0 0 8px 0;
}
.principle-name { font-family: var(--font-display); font-weight: 600; font-size: 16px; letter-spacing: -0.01em; margin: 0 0 6px 0; }
.principle-desc { font-size: 13px; color: var(--muted-foreground); line-height: 1.55; margin: 0; }

.naming-grid { gap: 12px; }
.naming-cell {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
}
.naming-do { font-size: 22px; font-weight: 500; color: var(--foreground); margin: 6px 0 8px 0; letter-spacing: 0; }
.naming-dont {
  font-size: 14px;
  color: var(--muted-foreground);
  text-decoration: line-through;
  text-decoration-color: var(--destructive);
  margin: 6px 0 8px 0;
  letter-spacing: 0;
}

/* ---------- Iconography + Merch stubs ---------- */
.icon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
.icon-cell {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.icon-cell svg { width: 32px; height: 32px; color: var(--primary); }
.icon-cell span { font-family: var(--font-mono); font-size: 11px; color: var(--muted-foreground); }

/* =========================================================
   Products pillar — stream cards
   ========================================================= */
.streams-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.stream-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
  transition: border-color 150ms var(--ease-out), transform 150ms var(--ease-out);
}
.stream-card:hover { border-color: color-mix(in oklch, var(--primary) 40%, transparent); }
.stream-card .stream-status {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--muted-foreground);
}
.stream-card.live  .stream-status { color: var(--success); border-color: color-mix(in oklch, var(--success) 30%, transparent); background: color-mix(in oklch, var(--success) 8%, transparent); }
.stream-card.draft .stream-status { color: var(--warning); border-color: color-mix(in oklch, var(--warning) 30%, transparent); background: color-mix(in oklch, var(--warning) 8%, transparent); }
.stream-card .stream-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.015em;
  margin: 0;
}
.stream-card .stream-desc { font-size: 13px; color: var(--muted-foreground); line-height: 1.55; margin: 0; flex: 1; }
.stream-card .stream-uses {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.stream-card .stream-uses .codechip { background: transparent; }
.stream-card a.stream-link {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}
.stream-card .merch-photo {
  display: block;
  width: calc(100% + 48px);
  height: 220px;
  object-fit: contain;
  background: color-mix(in oklch, var(--background) 40%, var(--card));
  padding: 16px;
  box-sizing: border-box;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin: -24px -24px 4px;
  cursor: zoom-in;
  transition: filter 150ms var(--ease-out);
}
.stream-card .merch-photo:hover { filter: brightness(1.04); }

/* ---------- Lightbox modal ---------- */
dialog.lightbox {
  border: none;
  padding: 0;
  margin: 0;
  max-width: 100vw;
  max-height: 100vh;
  width: 100vw;
  height: 100vh;
  background: transparent;
  color: var(--foreground);
  overflow: hidden;
}
dialog.lightbox[open] {
  display: flex;
  align-items: center;
  justify-content: center;
}
dialog.lightbox::backdrop {
  background: color-mix(in oklch, var(--background) 70%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
dialog.lightbox .lightbox-image {
  display: block;
  max-width: 92vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: 0 24px 64px color-mix(in oklch, var(--background) 30%, #000);
  cursor: zoom-out;
}
dialog.lightbox .lightbox-close {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in oklch, var(--card) 85%, transparent);
  color: var(--foreground);
  cursor: pointer;
  transition: border-color 150ms var(--ease-out), color 150ms var(--ease-out);
}
dialog.lightbox .lightbox-close:hover {
  border-color: var(--primary);
  color: var(--primary);
}
dialog.lightbox .lightbox-close svg { width: 18px; height: 18px; }

/* =========================================================
   Landing — umbrella pillar CTAs
   ========================================================= */
.umbrella-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}
@media (max-width: 900px) { .umbrella-grid { grid-template-columns: 1fr; } }
.umbrella-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: border-color 150ms var(--ease-out), transform 150ms var(--ease-out);
  min-height: 280px;
}
.umbrella-card:hover {
  border-color: color-mix(in oklch, var(--primary) 50%, transparent);
  transform: translateY(-2px);
}
.umbrella-card .pillar-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.umbrella-card .pillar-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0;
}
.umbrella-card .pillar-desc {
  font-size: 14px;
  color: var(--muted-foreground);
  line-height: 1.55;
  flex: 1;
}
.umbrella-card .pillar-go {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.umbrella-card .pillar-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.landing-meta {
  margin-top: 40px;
  padding: 32px 0;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  border-top: 1px solid var(--border);
}
@media (max-width: 720px) { .landing-meta { grid-template-columns: 1fr; } }
.landing-meta h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin: 0 0 8px 0;
}
.landing-meta p { font-size: 13px; color: var(--foreground); margin: 0; line-height: 1.55; }

/* =========================================================
   Legal docs — rendered markdown / plain-text artefacts
   (BRAND-USE.md, LICENSE, LICENSE-content)
   ========================================================= */
.legal-doc {
  max-width: 720px;
  margin: 0 auto 96px;
  padding: 40px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  font-size: 15px;
  line-height: 1.65;
  color: var(--foreground);
}
.legal-doc > *:first-child { margin-top: 0; }
.legal-doc > *:last-child { margin-bottom: 0; }
.legal-doc h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 40px 0 12px;
}
.legal-doc h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 40px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.legal-doc h2:first-of-type { border-top: 0; padding-top: 0; }
.legal-doc h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  margin: 28px 0 8px;
}
.legal-doc h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  margin: 24px 0 8px;
}
.legal-doc p { margin: 0 0 14px; }
.legal-doc strong { color: var(--foreground); font-weight: 600; }
.legal-doc em { color: var(--muted-foreground); font-style: italic; }
.legal-doc a { color: var(--primary); border-bottom: 1px solid color-mix(in oklch, var(--primary) 40%, transparent); transition: border-color 150ms var(--ease-out); }
.legal-doc a:hover { border-bottom-color: var(--primary); }
.legal-doc ul, .legal-doc ol { margin: 0 0 16px; padding-left: 22px; }
.legal-doc li { margin-bottom: 4px; }
.legal-doc li > p { margin-bottom: 4px; }
.legal-doc code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--foreground);
}
.legal-doc pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: normal;
  margin: 0;
}
.legal-doc.plain { padding: 24px; }
.legal-doc.plain pre {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted-foreground);
}
.legal-doc hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.legal-doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 14px;
}
.legal-doc th, .legal-doc td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.legal-doc th {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
  font-weight: 500;
  border-bottom-color: color-mix(in oklch, var(--foreground) 30%, var(--border));
}
.legal-doc blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--primary);
  background: color-mix(in oklch, var(--primary) 6%, transparent);
  color: var(--muted-foreground);
  font-style: italic;
}

/* ---------- Fork-me-on-GitHub corner ---------- */
/* Reserves 80px on the right of the header so the corner doesn't overlap the theme toggle. */
.app-header-inner { padding-right: 80px; }
@media (max-width: 640px) {
  .app-header-inner { padding-right: 56px; }
}
.github-corner {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 50;
  display: block;
  line-height: 0;
  text-decoration: none;
}
.github-corner svg {
  display: block;
  width: 80px;
  height: 80px;
  fill: var(--primary);
  color: var(--primary-foreground);
}
.github-corner .octo-arm { transform-origin: 130px 106px; }
.github-corner:hover .octo-arm { animation: octocat-wave 560ms ease-in-out; }
@keyframes octocat-wave {
  0%, 100% { transform: rotate(0); }
  20%, 60% { transform: rotate(-25deg); }
  40%, 80% { transform: rotate(10deg); }
}
@media (prefers-reduced-motion: reduce) {
  .github-corner:hover .octo-arm { animation: none; }
}
@media (max-width: 640px) {
  .github-corner svg { width: 56px; height: 56px; }
}

/* ---------- AI Qadam Build recognition badge ---------- */
/* Used in footers of AI Qadam Build projects, including this site itself. */
.aiq-build-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 150ms var(--ease-out);
}
.aiq-build-badge:hover { color: var(--foreground); }
.aiq-build-badge .aiq-build-mark {
  width: 14px;
  height: 14px;
  display: block;
}
.doc-footer .build-tag { margin-top: 8px; }