/* The landing page uses the workspace's surfaces, typography and actual components. */
.welcome { --l-radius: 10px; --l-radius-lg: 10px; --muted: inherit; --ink3: inherit; color: var(--text); }
[data-theme="light"] .welcome { --muted: #52645c; --ink3: #52645c; --bg-2: #f1f6f4; --panel-border: #dce5e1; --line-strong: #bdcec7; --grid-line: #e5ece8; }
[data-theme="dark"] .welcome { --muted: #a9bab5; --ink3: #a9bab5; }
.welcome :is(h1, h2, h3, h4, strong, .stat-value) { color: var(--heading); }
.welcome .hero { background: var(--bg); }
.welcome .hero h1 { background: none; color: var(--heading); letter-spacing: -.035em; }
.welcome .hero-inner { padding-top: 24px; gap: 48px; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); align-items: center; }
.landing-controls { max-width: calc(var(--l-max) + 2 * var(--l-pad)); padding: 20px var(--l-pad) 0; margin: auto; display: flex; justify-content: flex-end; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.landing-controls .select { width: auto; min-width: 95px; border-radius: 7px; background: var(--panel); }
.welcome .btn { border-radius: 7px; box-shadow: none; }
.welcome .btn.outline { border-width: 1px; }
.welcome .btn.soft { color: var(--accent-ink); background: transparent; padding-left: 0; padding-right: 0; border-color: transparent; white-space: normal; text-align: left; }
.welcome .btn:hover { transform: none; box-shadow: none; }
.welcome .btn.primary { color: var(--on-accent); }
.welcome .card { border-radius: 10px; box-shadow: none; background: var(--panel); }
.welcome .trust-line span::before { content: none; }
.welcome .trust-line span:not(:last-child)::after { content: '·'; margin-left: 10px; color: var(--muted); }
.welcome .drop-zone { background: transparent; color: var(--muted); }
.welcome .drop-zone:hover { background: var(--bg-2); border-color: var(--line-strong); }
.welcome .l-eyebrow { font-family: var(--font); font-size: 12px; font-weight: 700; letter-spacing: .09em; }
.hero-preview { display: block; padding: 24px; border: 1px solid var(--panel-border); border-radius: 10px; background: var(--panel); }
.preview-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.preview-head h2 { font-size: 20px; margin: 0; letter-spacing: -.02em; }
.preview-head > span { font-size: 13px; color: var(--muted); }
.preview-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.welcome .preview-stats .stat { padding: 12px 10px; border-radius: 7px; border: 1px solid var(--panel-border); background: var(--panel); min-height: 0; }
.welcome .preview-stats .stat-value { font-size: 32px; margin-top: 5px; }
.welcome .preview-stats .stat-label { font-size: 12px; gap: 7px; }
.welcome .preview-stats .topic-icon { width: 20px; height: 20px; flex-basis: 20px; }
.preview-instruction { margin: 22px 0 12px; font-size: 14px; color: var(--muted); }
.preview-branch { padding: 0 2px; position: relative; }
.branch-links { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.branch-generation { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
.branch-generation:not(:last-child) { padding-bottom: 26px; }
.welcome .preview-branch .chip { position: relative; z-index: 1; width: 100%; max-width: none; display: grid; grid-template-columns: 7px minmax(0, 1fr); gap: 2px 9px; padding: 10px 11px; border: 1px solid var(--panel-border); border-radius: 7px; background: var(--panel); text-align: left; cursor: pointer; line-height: 1.4; }
.welcome .preview-branch .chip .dot { grid-row: 1 / span 2; align-self: center; }
.welcome .preview-branch .chip-name { font-size: 13px; white-space: normal; overflow-wrap: anywhere; }
.welcome .preview-branch .chip small { grid-column: 2; font-size: 11px; }
.welcome .preview-branch .chip:hover { background: var(--hover); }
.welcome .preview-branch .chip[aria-pressed="true"] { background: var(--bg-2); border-color: var(--accent); outline: 1px solid var(--accent); outline-offset: -1px; }
.preview-source { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.preview-person { margin: 16px 0; padding-top: 16px; border-top: 1px solid var(--panel-border); min-height: 155px; }
.preview-person-heading { display: flex; align-items: baseline; gap: 8px 16px; justify-content: space-between; flex-wrap: wrap; line-height: 1.4; }
.preview-person-heading strong { font-size: 16px; }
.preview-person-heading span { color: var(--muted); font-size: 12px; }
.preview-person .kv { margin: 12px 0 4px; grid-template-columns: 48px minmax(0, 1fr); gap: 7px 12px; font-size: 12px; }
.preview-person .kv dd { line-height: 1.5; }
.welcome .hero-preview > .btn { width: 100%; justify-content: center; white-space: normal; text-align: center; }
.discovery-story { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); gap: 48px; align-items: center; padding: 48px 0; border-top: 1px solid var(--panel-border); }
.discovery-copy h3 { font-size: clamp(26px, 2.6vw, 34px); letter-spacing: -.025em; line-height: 1.16; margin: 0 0 18px; }
.discovery-copy > p:not(.l-eyebrow) { color: var(--muted); font-size: 16px; line-height: 1.65; }
.discovery-copy .btn { margin-top: 12px; white-space: normal; text-align: left; }
.connection-preview { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; min-width: 0; }
.connection-preview .card { padding: 22px 26px; }
.connection-preview .card-head { margin-bottom: 8px; }
.connection-years { margin: 0 0 18px 34px; color: var(--muted); font-size: 14px; }
.connection-people { display: flex; flex-wrap: wrap; gap: 6px; }
.connection-preview .kv { grid-template-columns: 75px minmax(0, 1fr); gap: 12px; font-size: 14px; }
.connection-preview .chip { border-radius: 4px; max-width: 100%; white-space: normal; flex-wrap: wrap; }
.bio-excerpt h4 { font-family: var(--font); font-size: 15px; margin: 18px 0 10px; }
.bio-excerpt p { font-size: 15px; line-height: 1.75; margin: 6px 0; }
.timeline-preview { padding: 26px; border: 1px solid var(--panel-border); border-radius: 10px; background: var(--panel); min-width: 0; }
.timeline-control { display: flex; justify-content: space-between; align-items: baseline; }
.timeline-control label { font-size: 15px; font-weight: 600; }
.timeline-control output { font-size: 36px; line-height: 1.3; color: var(--heading); font-weight: 750; font-variant-numeric: tabular-nums; }
.timeline-preview input[type="range"] { width: 100%; height: 36px; margin: 8px 0 0; padding: 0; accent-color: var(--accent); cursor: pointer; }
.timeline-range { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.timeline-alive { display: grid; gap: 6px; margin: 22px 0 18px; }
.timeline-alive strong { font-size: 16px; line-height: 1.5; }
.timeline-alive span { font-size: 12px; line-height: 1.6; color: var(--muted); min-height: 39px; }
.timeline-chart { width: 100%; overflow-x: auto; }
.timeline-chart svg { display: block; min-width: 550px; width: 100%; }
.timeline-chart svg text { fill: var(--text); }
.timeline-chart .grid line { stroke: var(--grid-line); }
.timeline-chart .outside-year > rect:nth-of-type(2) { fill: var(--line-strong); opacity: .5; }
.timeline-chart svg > line:last-child { stroke: var(--accent); }
.timeline-context { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--panel-border); }
.timeline-context .card-heading-text { font-size: 14px; }
.timeline-context p { margin: 10px 0 6px; font-size: 14px; line-height: 1.6; }
.timeline-context small { font-size: 11px; color: var(--muted); }
.migration-preview { margin: 0; border: 1px solid var(--panel-border); border-radius: 10px; overflow: hidden; background: var(--panel); }
.migration-map { display: block; width: 100%; height: auto; background: var(--bg-2); }
.migration-map .map-land { fill: var(--panel); stroke: var(--line-strong); stroke-width: 1; }
.migration-link { stroke: var(--card-icon-places); stroke-width: 2.5; stroke-dasharray: 7 6; }
.migration-map .map-point { fill: var(--card-icon-places); stroke: var(--panel); stroke-width: 3; }
.migration-map .map-label { fill: var(--heading); font-size: 19px; font-weight: 650; paint-order: stroke; stroke: var(--bg-2); stroke-width: 5px; stroke-linejoin: round; }
.migration-caption { padding: 20px 26px; }
.migration-caption p { margin: 0 0 18px; font-size: 16px; line-height: 1.6; }
.migration-dates { list-style: none; display: flex; justify-content: space-between; gap: 15px; padding: 0; margin: 0 0 15px; font-size: 14px; }
.migration-dates li { display: grid; }
.migration-dates span { color: var(--muted); font-size: 12px; }
.migration-caption small { display: block; color: var(--muted); font-size: 11px; }
.map-credit { margin-top: 8px; }
.discovery-features { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }
.discovery-features .card { display: flex; flex-direction: column; padding: 24px 20px; }
.discovery-features .card-head { margin-bottom: 0; }
.discovery-features p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 14px 0 20px; }
.discovery-features .btn { margin-top: auto; font-size: 12px; }
.product-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.product-shot { padding: 0; border: 1px solid var(--panel-border); border-radius: 10px; overflow: hidden; color: var(--text); background: var(--panel); text-align: left; cursor: zoom-in; }
.product-shot:hover { border-color: var(--line-strong); }
.product-shot img { display: block; width: 100%; height: auto; border-bottom: 1px solid var(--panel-border); }
.product-shot > span { padding: 16px 20px; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 14px; }
.product-shot > span > span { font-size: 12px; color: var(--accent-ink); }
.welcome .book-promo { display: grid; grid-template-columns: minmax(0, 1fr) 190px; align-items: center; padding: 40px; gap: 28px 40px; border-color: var(--panel-border); background: var(--panel); box-shadow: none; }
.book-promo-text { grid-column: 1; grid-row: 1; }
.welcome .book-promo-text p { max-width: 80ch; }
.welcome .book-promo-text .l-eyebrow { color: var(--accent-ink); }
.welcome .book-promo-art { display: contents; }
.book-promo-art button { border: 1px solid var(--line-strong); padding: 0; background: #fff; cursor: zoom-in; border-radius: 0; width: 100%; }
.book-cover-preview { grid-column: 2; grid-row: 1; }
.book-promo-art img { display: block; width: 100%; height: auto; }
.book-spread-preview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-column: 1 / -1; grid-row: 2; }
.book-spread-preview img:first-child { border-right: 1px solid #d9d5cc; }
.book-preview-hint { grid-column: 1 / -1; grid-row: 3; text-align: center; font-size: 13px; color: var(--accent-ink); }
.welcome .cta { background: var(--panel); border-color: var(--panel-border); }
.welcome .step .num { background: transparent; color: var(--accent-ink); width: auto; }
.landing-lightbox { width: min(96vw, 1600px); max-width: 96vw; max-height: 94vh; padding: 20px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--panel); color: var(--text); }
.landing-lightbox::backdrop { background: rgba(5, 12, 13, .8); }
.lightbox-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 16px; position: sticky; top: -20px; background: var(--panel); padding: 12px 0; z-index: 1; }
.lightbox-head h2 { margin: 0; font-size: 16px; }
.lightbox-head .btn { flex: none; }
.lightbox-images { display: flex; justify-content: center; align-items: start; gap: 1px; }
.lightbox-images img { display: block; width: 100%; height: auto; max-width: 100%; }
.lightbox-images.book-spread img { width: 50%; max-width: 50%; object-fit: contain; }
.lightbox-images.book-spread img:only-child { width: auto; max-width: min(100%, 794px); }
@media (max-width: 1100px) {
  .welcome .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { max-width: 760px; }
  .welcome .hero h1 { font-size: clamp(34px, 6vw, 56px); }
  .hero-preview { width: 100%; max-width: 800px; }
  .discovery-story { grid-template-columns: 1fr; gap: 24px; }
  .discovery-copy { max-width: 720px; }
  .connection-preview { grid-template-columns: 1fr 1fr; }
  .discovery-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .welcome { --l-pad: 18px; }
  .hero-preview { padding: 18px 14px; }
  .preview-stats { gap: 6px; }
  .welcome .preview-stats .stat { padding: 10px 7px; display: grid; grid-template-rows: 1fr auto; }
  .welcome .preview-stats .stat-label { flex-direction: column; align-items: flex-start; gap: 6px; font-size: 11px; line-height: 1.4; }
  .welcome .preview-stats .stat-label-text { min-height: 2.8em; }
  .welcome .preview-stats .stat-value { font-size: 30px; }
  .branch-generation { column-gap: 18px; }
  .welcome .preview-branch .chip { padding: 9px 7px; column-gap: 5px; }
  .welcome .preview-branch .chip-name { font-size: 12px; }
  .welcome .preview-branch .chip small { font-size: 10px; }
  .preview-person { min-height: 185px; }
  .preview-person .kv { grid-template-columns: 1fr; gap: 3px; }
  .preview-person .kv dd { margin-bottom: 5px; }
  .connection-preview, .product-gallery, .discovery-features { grid-template-columns: 1fr; }
  .connection-preview .card, .timeline-preview, .migration-caption { padding: 20px 16px; }
  .connection-preview .kv { grid-template-columns: 1fr; gap: 6px; }
  .connection-preview .kv dd { margin-bottom: 10px; }
  .discovery-story { padding: 36px 0; }
  .landing-section { padding-top: 56px; }
  .welcome .book-promo { padding: 24px 18px; }
  .welcome .book-promo { grid-template-columns: 1fr; }
  .book-cover-preview { max-width: 190px; justify-self: center; grid-column: 1; grid-row: 2; }
  .book-spread-preview { grid-row: 3; }
  .book-preview-hint { grid-row: 4; }
  .migration-map .map-label { font-size: 38px; stroke-width: 7px; }
  .migration-map .map-point { r: 12px; }
  .migration-link { stroke-width: 4; }
  .landing-lightbox { padding: 12px; }
  .lightbox-images.book-spread { overflow-x: auto; justify-content: start; }
  .lightbox-images.book-spread img { max-width: none; width: 75vw; max-height: none; flex: 0 0 auto; }
}