/* Index / launcher page ================================================== */

.index-head { align-items: flex-end; padding: 40px 0 12px; }
.index-head h1 { font-size: clamp(30px, 4vw, 46px); margin: 0 0 12px; font-weight: 650; letter-spacing: -0.02em; line-height: 1.15; }
.index-head p { color: var(--muted); max-width: 720px; margin: 0; font-size: var(--text-md); line-height: 1.7; }

/* 6 product screens grid =============================================== */
.screen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.screen-grid-3 { grid-template-columns: repeat(3, 1fr); }

.screen-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: transform var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard);
  display: flex; flex-direction: column;
}
.screen-card:hover { border-color: #cfcfcf; transform: translateY(-2px); }
.screen-card:focus-visible { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 80%); }
.screen-card h3 { margin: 14px 20px 6px; font-size: var(--text-md); font-weight: 600; letter-spacing: -0.005em; }
.screen-card p { margin: 0 20px 20px; color: var(--muted); font-size: var(--text-sm); line-height: 1.55; }
.screen-card-doc { background: linear-gradient(180deg, var(--surface), color-mix(in oklab, var(--surface), white 30%)); }

.sc-tag {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: color-mix(in oklab, var(--fg), transparent 88%);
  color: var(--fg);
  font-weight: 500;
}
.sc-tag.is-primary { background: color-mix(in oklab, var(--accent), white 70%); color: white; }

/* Canvas previews (CSS-only wireframes) ================================ */
.sc-canvas {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
}

/* Login preview ====================================================== */
.sc-canvas-login { padding: 18px; display: grid; place-items: center; }
.lc-card {
  width: 60%;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: grid; gap: 8px;
}
.lc-title { font-size: 11px; font-weight: 600; }
.lc-input { height: 16px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); }
.lc-captcha { height: 16px; border: 1px solid var(--border); border-radius: 4px; background: color-mix(in oklab, var(--accent), white 80%); width: 60%; }
.lc-btn { height: 22px; border-radius: 4px; background: var(--accent); }

/* Dashboard preview ================================================== */
.sc-canvas-dashboard { padding: 10px; display: grid; grid-template-rows: auto auto 1fr; gap: 8px; }
.dc-topbar { height: 14px; display: flex; align-items: center; gap: 8px; padding: 0 4px; }
.dc-topbar span { display: block; width: 50px; height: 6px; background: var(--border); border-radius: 3px; }
.dc-toolbar { display: grid; grid-template-columns: 1fr auto; gap: 6px; }
.dc-search { height: 18px; border: 1px solid var(--border); border-radius: 4px; }
.dc-filters { display: flex; gap: 4px; }
.dc-filters::before { content: ""; width: 36px; height: 18px; background: var(--border); border-radius: 4px; }
.dc-filters::after { content: ""; width: 36px; height: 18px; background: var(--border); border-radius: 4px; }
.dc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.dc-tile { aspect-ratio: 1; background: white; border: 1px solid var(--border); border-radius: 4px; padding: 6px; display: grid; gap: 4px; align-content: end; }
.dc-tile i { display: block; height: 4px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 70%; }
.dc-tile i:nth-child(2) { width: 50%; background: color-mix(in oklab, var(--accent), white 60%); }

/* Workstation preview ================================================ */
.sc-canvas-workstation { display: grid; grid-template-columns: 60px 1fr 60px; gap: 4px; padding: 6px; }
.ws-left-mock { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 4px; display: grid; gap: 4px; }
.ws-th { aspect-ratio: 16/9; background: color-mix(in oklab, var(--fg), transparent 90%); border-radius: 2px; }
.ws-th.active { background: color-mix(in oklab, var(--accent), white 60%); border: 1px solid var(--accent); }
.ws-canvas-mock { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 10px; display: grid; gap: 6px; align-content: start; }
.wcm-title { height: 12px; background: var(--fg); border-radius: 2px; width: 60%; }
.wcm-rule { height: 1px; background: var(--border); }
.wcm-line { height: 4px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 80%; }
.ws-right-mock { background: color-mix(in oklab, var(--accent), white 92%); border: 1px solid color-mix(in oklab, var(--accent), white 70%); border-radius: 4px; padding: 6px; display: grid; gap: 4px; align-content: start; }
.wrm-pill { height: 14px; background: white; border: 1px solid var(--border); border-radius: 4px; }

/* Playback preview (dark) ============================================ */
.sc-canvas-playback { background: #0c0d10; padding: 0; display: grid; grid-template-rows: 18px 1fr 18px; gap: 4px; }
.pb-top { background: #14161a; }
.pb-stage-mock { background: white; margin: 6px; border-radius: 4px; padding: 12px; display: grid; gap: 4px; align-content: start; }
.psn { height: 6px; width: 30%; background: var(--muted); border-radius: 2px; }
.psn-title { height: 14px; background: var(--fg); border-radius: 2px; width: 50%; margin: 4px 0; }
.psn-line { height: 4px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 80%; }
.pb-controls-mock { background: #14161a; display: flex; align-items: center; gap: 6px; padding: 0 8px; }
.pctrl { width: 16px; height: 8px; background: #2a2c30; border-radius: 2px; }
.pbar { flex: 1; height: 3px; background: #2a2c30; border-radius: 999px; overflow: hidden; }
.pbar div { width: 30%; height: 100%; background: var(--accent); border-radius: 999px; }

/* AI preview ========================================================= */
.sc-canvas-ai { padding: 10px; display: grid; grid-template-rows: auto 1fr; gap: 8px; }
.ai-stepper { display: flex; gap: 6px; align-items: center; }
.ai-stepper span { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--border); display: inline-grid; place-items: center; font-size: 9px; background: white; color: var(--muted); }
.ai-stepper span.done { background: var(--success); color: white; border-color: var(--success); }
.ai-stepper span.active { background: var(--accent); color: white; border-color: var(--accent); }
.ai-card { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 10px; display: grid; gap: 4px; }
.ac-bar { height: 4px; width: 60%; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; }
.ac-bar.wide { width: 90%; }
.ai-diff-mock { display: grid; gap: 4px; }
.dm { display: grid; grid-template-columns: 16px 1fr; gap: 6px; padding: 6px 8px; border-radius: 4px; border: 1px solid var(--border); align-items: center; }
.dm span { font-family: var(--font-mono); font-size: 11px; font-weight: 600; }
.dm.add { border-left: 3px solid var(--success); }
.dm.add span { color: var(--success); }
.dm.mod { border-left: 3px solid var(--warn); }
.dm.mod span { color: var(--warn); }
.dm div { display: grid; gap: 3px; }
.dm div i { display: block; height: 3px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 80%; }

/* Export preview ====================================================== */
.sc-canvas-export { padding: 10px; display: grid; gap: 8px; }
.ex-card { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 10px; display: grid; gap: 6px; }
.ex-pill { height: 8px; background: color-mix(in oklab, var(--accent), white 60%); border-radius: 4px; width: 70%; }
.ex-pill.muted { background: var(--border); }
.ex-bar { height: 4px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 70%; }
.ex-bar.muted { background: var(--border); width: 50%; }
.ex-bar div { width: 60%; height: 100%; background: var(--accent); border-radius: 2px; }

/* Landing preview ====================================================== */
.sc-canvas-landing { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px; }
.ld-hero { display: grid; gap: 6px; align-content: center; }
.ld-h1 { height: 12px; background: var(--fg); border-radius: 2px; width: 80%; }
.ld-h1 + .ld-h1 { width: 60%; }
.ld-line { height: 4px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 90%; }
.ld-window-mock { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 8px; display: grid; gap: 4px; }
.ld-thumb { aspect-ratio: 16/9; background: color-mix(in oklab, var(--fg), transparent 92%); border-radius: 2px; }

/* Settings preview =================================================== */
.sc-canvas-settings { display: grid; grid-template-columns: 60px 1fr; gap: 6px; padding: 10px; }
.set-side { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 8px; display: grid; gap: 4px; align-content: start; }
.set-side i { display: block; height: 6px; background: var(--border); border-radius: 2px; width: 80%; }
.set-side i:nth-child(2) { background: color-mix(in oklab, var(--accent), white 70%); width: 60%; }
.set-main { background: white; border: 1px solid var(--border); border-radius: 4px; padding: 10px; display: grid; gap: 8px; }
.set-row { display: flex; align-items: center; justify-content: space-between; padding-bottom: 6px; border-bottom: 1px solid var(--border-soft); }
.set-row i { display: block; height: 6px; background: var(--border); border-radius: 2px; }
.set-row i:first-child { width: 40%; }
.set-row i:last-child { width: 18px; height: 12px; background: var(--accent); border-radius: 999px; }

/* Doc preview ========================================================= */
.sc-canvas-doc { padding: 14px; display: grid; gap: 6px; align-content: start; }
.doc-line { height: 4px; background: color-mix(in oklab, var(--fg), transparent 80%); border-radius: 2px; width: 60%; }
.doc-line.mid { width: 80%; }
.doc-line.long { width: 90%; }

/* System notes card ================================================== */
.system-notes { background: linear-gradient(180deg, var(--surface), color-mix(in oklab, var(--surface), white 30%)); }

@media (max-width: 1100px) {
  .screen-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .screen-grid, .screen-grid-3 { grid-template-columns: 1fr; }
  .index-head { flex-direction: column; align-items: flex-start; }
}
/* Promo video ======================================================== */
.promo-hero {
  margin: 20px 0 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 12px 32px color-mix(in oklab, var(--fg), transparent 92%);
}
.promo-hero video { display: block; width: 100%; aspect-ratio: 16 / 9; }