/* =============================================================================
   AI-Native transformation map · v5 round 2 · direction B «Отчёт» (annual research report)
   Primary reference: AI in Design Report 2026 (Mobbin sections 39444485, 208f8efe, b6c5bbfe, bde9e82a,
   a5ae62f7, 7111c093, 9c3f760d). Component references are cited next to each block.
   One grid: 12 columns, 24px gutters. Story pages: labels/numbers in cols 1–5, headings/text from col 6.
   Catalogue rows: index col 1, text cols 2–9, picture cols 10–12.
   Seven type styles: Display, H2, H3, Lead, Body, Caption, Label. Nothing below 13px.
   Orange is a surface colour only (covers, sheet header, next band, contact band).
   ============================================================================= */

/* ---------- Fonts (OFL, self-hosted, Latin + Cyrillic) ---------- */
@font-face { font-family: "Inter Tight"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(fonts/intertight-var-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter Tight"; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(fonts/intertight-var-cyrillic.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url(fonts/inter-var-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url(fonts/inter-var-cyrillic.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600; font-display: swap;
  src: url(fonts/jetbrainsmono-var-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600; font-display: swap;
  src: url(fonts/jetbrainsmono-var-cyrillic.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }

/* ---------- Tokens ---------- */
:root {
  /* colour */
  --white: #ffffff;
  --tint: #f6f5f1;           /* hover tint, plates */
  --tint-2: #eeede8;         /* skeleton */
  --ink: #0b0b0b;
  --text: #2b2b28;           /* body, 13.9:1 */
  --muted: #5d5d58;          /* captions, 6.6:1 */
  --hair: #dad9d3;
  --hair-2: #ebeae5;
  --orange: #fe7241;         /* surfaces only */
  --orange-hover: #f2622f;
  --orange-ink: #3d1a0b;     /* text on orange, 8:1 */
  --lavender: #cdaafe;
  --lavender-soft: #f2eafe;
  --dark: #111110;
  --on-dark: #f4f3ef;
  --on-dark-2: #b9b8b2;
  --on-dark-3: #92918b;
  --focus: #0b0b0b;

  /* type — seven styles */
  --display: "Inter Tight", "Inter", ui-sans-serif, system-ui, sans-serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --f-display: 500 144px/128px var(--display);
  --f-h2: 500 56px/60px var(--display);
  --f-h3: 500 28px/36px var(--display);
  --f-lead: 400 22px/32px var(--sans);
  --f-body: 400 18px/28px var(--sans);
  --f-caption: 400 15px/22px var(--sans);
  --f-label: 500 14px/20px var(--mono);
  --t-display: -0.045em;
  --t-h2: -0.035em;
  --t-h3: -0.02em;
  --t-label: 0.06em;

  /* space — 8px grid */
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px; --s5: 40px; --s6: 48px; --s7: 64px; --s8: 80px; --s9: 96px; --s10: 128px; --s11: 160px;

  /* layout */
  --margin: 32px;
  --gap: 24px;
  --bar-h: 56px;
  --sheet-w: 960px;

  /* motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --t-fast: 140ms;
  --t-med: 280ms;
}
:root:lang(ru) { --t-display: -0.03em; --t-h2: -0.022em; --t-h3: -0.012em; }
@media (max-width: 1099px) {
  :root { --margin: 24px; --f-display: 500 104px/96px var(--display); }
}
@media (max-width: 400px) {
  :root { --f-h2: 500 30px/36px var(--display); --f-display: 500 48px/50px var(--display); }
}
@media (max-width: 760px) {
  :root {
    --margin: 20px; --gap: 16px; --bar-h: 52px;
    --f-display: 500 56px/56px var(--display);
    --f-h2: 500 36px/40px var(--display);
    --f-h3: 500 22px/30px var(--display);
    --f-lead: 400 19px/28px var(--sans);
    --f-body: 400 17px/26px var(--sans);
    --f-label: 500 13px/18px var(--mono);
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--bar-h) + 24px); }
body { margin: 0; background: var(--white); color: var(--text); font: var(--f-body); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; font-feature-settings: "cv11" 1; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4, figure, blockquote { margin: 0; }
h1, h2, h3, h4 { font-weight: 500; color: var(--ink); text-wrap: balance; hyphens: manual; -webkit-hyphens: manual; overflow-wrap: break-word; }
p { text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
img { display: block; max-width: 100%; }
svg { display: block; }
.tnum { font-variant-numeric: tabular-nums lining-nums; font-feature-settings: "tnum" 1, "lnum" 1, "cv11" 1; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.on-dark :focus-visible, .site-foot :focus-visible, .lightbox :focus-visible { outline-color: var(--white); }
.bar-logo:focus-visible, .bar-short:focus-visible, .btn.black:focus-visible, .btn-bar:focus-visible, .seg button[aria-checked="true"]:focus-visible { outline: 2px solid var(--lavender); outline-offset: -5px; }
.skip { position: absolute; left: 8px; top: -64px; z-index: 100; padding: 12px 16px; background: var(--ink); color: var(--white); font: var(--f-caption); }
.skip:focus { top: 8px; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
html.is-locked, html.is-locked body { overflow: hidden; }
.nc { text-transform: none; }

/* ---------- Grid ---------- */
.g12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); padding: 0 var(--margin); }
.c-label { grid-column: 1 / span 5; }
.c-main { grid-column: 6 / -1; }
.c-full { grid-column: 1 / -1; }
.rule { height: 0; border: 0; border-top: 1px solid var(--ink); margin: 0 var(--margin); }
.wrap { padding: 0 var(--margin); }
.g12n { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); }
@media (max-width: 760px) {
  .g12, .g12n { grid-template-columns: minmax(0, 1fr); }
  .c-label, .c-main, .c-full { grid-column: 1; }
}

/* ---------- The seven styles ---------- */
.display { font: var(--f-display); letter-spacing: var(--t-display); color: var(--ink); }
.h2 { font: var(--f-h2); letter-spacing: var(--t-h2); color: var(--ink); }
.h3 { font: var(--f-h3); letter-spacing: var(--t-h3); color: var(--ink); }
.lead { font: var(--f-lead); letter-spacing: -0.01em; color: var(--text); max-width: 34em; }
.body { font: var(--f-body); color: var(--text); max-width: 38em; }
.caption { font: var(--f-caption); color: var(--muted); }
.label { font: var(--f-label); letter-spacing: var(--t-label); text-transform: uppercase; color: var(--ink); }
.label.muted { color: var(--muted); }

/* footnote-style credit */
.credit { display: flex; gap: 10px; align-items: baseline; margin-top: var(--s3); font: var(--f-caption); color: var(--muted); max-width: 40em; }
.credit .fnm { font: var(--f-label); letter-spacing: 0; color: var(--ink); }
.on-dark .credit { color: var(--on-dark-3); }
.on-dark .credit .fnm { color: var(--on-dark-2); }

/* ---------- Icons ---------- */
.i { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.i-s { width: 16px; height: 16px; }
.i-l { width: 24px; height: 24px; }

/* =============================================================================
   Top bar — the only sticky bar. Before the cover is scrolled away its centre lists the pages;
   afterwards it shows «04 Функции отрасли / 03 Мерчандайзинг ▾», opening a named list.
   References: AI in Design header (b6c5bbfe), Origin «Jump to» (2fa79f49)
   ============================================================================= */
.bar { position: sticky; top: 0; z-index: 30; display: flex; align-items: stretch; height: var(--bar-h); background: var(--white); border-bottom: 1px solid var(--ink); }
.bar-logo { display: flex; align-items: center; gap: 10px; padding: 0 20px 0 var(--margin); background: var(--ink); color: var(--white); font: 600 21px/1 var(--display); letter-spacing: -0.03em; white-space: nowrap; }
.bar-logo svg { width: 20px; height: 20px; }
.bar-title { display: flex; align-items: center; padding: 0 20px; background: var(--orange); color: var(--ink); font: 500 15px/1 var(--sans); white-space: nowrap; }
.bar-mid { position: relative; display: flex; align-items: stretch; flex: 1; min-width: 0; }
.bar-pages { display: flex; align-items: stretch; min-width: 0; overflow: hidden; padding-left: 8px; transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease); }
.bar-pages a { position: relative; display: flex; align-items: center; gap: 8px; padding: 0 16px; font: 450 15px/1 var(--sans); color: #4a4a47; white-space: nowrap; transition: color var(--t-fast); }
.bar-pages a .n { font: 500 13px/1 var(--mono); color: var(--muted); }
.bar-pages a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: -1px; height: 3px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease); }
.bar-pages a:hover { color: var(--ink); }
.bar-pages a[aria-current="page"] { color: var(--ink); }
.bar-pages a[aria-current="page"]::after { transform: none; }
.bar-pages a[aria-current="page"] .n { color: var(--ink); }
.bar-where { position: absolute; inset: 0; display: flex; align-items: center; padding: 0 16px; opacity: 0; transform: translateY(6px); pointer-events: none; transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease); }
.bar.is-deep .bar-pages { opacity: 0; transform: translateY(-6px); pointer-events: none; }
.bar.is-deep .bar-where { opacity: 1; transform: none; pointer-events: auto; }
.where-btn { display: inline-flex; align-items: center; gap: 12px; height: 40px; max-width: 100%; padding: 0 14px; border: 1px solid transparent; font: 500 16px/1 var(--sans); color: var(--ink); white-space: nowrap; transition: border-color var(--t-fast), background var(--t-fast); }
.where-btn:hover, .where-btn[aria-expanded="true"] { border-color: var(--ink); }
.where-btn .pg { color: var(--muted); }
.where-btn .pg .n, .where-btn .cur .n { font: 500 13px/1 var(--mono); margin-right: 8px; }
.where-btn .sl { color: var(--hair); }
.where-btn .cur { overflow: hidden; text-overflow: ellipsis; min-width: 0; max-width: 480px; }
.where-btn svg { flex: none; transition: transform var(--t-med) var(--ease); }
.where-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.bar-end { display: flex; align-items: stretch; margin-left: auto; }
.bar-short { display: flex; align-items: center; gap: 12px; padding: 0 var(--margin) 0 20px; background: var(--ink); color: var(--white); font: 500 15px/1 var(--sans); white-space: nowrap; transition: background var(--t-fast); }
.bar-short:hover { background: #262624; }
.bar-short[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--lavender); }
.bar-short .i { display: none; }
.bar-short .count { display: inline-grid; place-items: center; min-width: 24px; height: 24px; padding: 0 6px; background: var(--lavender); color: var(--ink); font: 600 14px/1 var(--sans); }
.bar-short .count.zero { background: #2e2e2c; color: var(--on-dark-2); }
.bar-short .count.bump { animation: bump .5s var(--ease); }
@keyframes bump { 0% { transform: scale(1); } 35% { transform: scale(1.25); } 100% { transform: scale(1); } }
.bar-menu { display: none; }

/* named list under the bar */
.where-pop { position: fixed; z-index: 35; top: calc(var(--bar-h) + 8px); width: 480px; max-width: calc(100vw - 32px); max-height: calc(100vh - var(--bar-h) - 32px); overflow-y: auto; background: var(--white); border: 1px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); opacity: 0; transform: translateY(-6px); pointer-events: none; transition: opacity var(--t-fast), transform var(--t-med) var(--ease); }
.where-pop.is-open { opacity: 1; transform: none; pointer-events: auto; }
.where-pop, .menu-sheet, .popover, .lightbox, .sheet { visibility: hidden; transition-property: opacity, transform, visibility; transition-duration: var(--t-med), var(--t-med), 0s; transition-delay: 0s, 0s, var(--t-med); }
.where-pop.is-open, html.menu-open .menu-sheet, .popover.is-open, .lightbox.is-open, .sheet.is-open { visibility: visible; transition-delay: 0s; }
.where-pop .label { display: block; padding: 16px 20px 8px; color: var(--muted); }
.where-pop a { display: grid; grid-template-columns: 40px 1fr auto; align-items: baseline; gap: 12px; padding: 12px 20px; font: 450 17px/24px var(--sans); color: var(--ink); }
.where-pop a .n, .where-pop a .c { font: 500 13px/24px var(--mono); color: var(--muted); }
.where-pop a:hover { background: var(--tint); }
.where-pop a.is-current { background: var(--ink); color: var(--white); }
.where-pop a.is-current .n, .where-pop a.is-current .c { color: var(--on-dark-2); }
.where-pop hr { margin: 8px 0; border: 0; border-top: 1px solid var(--hair); }

@media (max-width: 1499px) { .bar-title { display: none; } }
@media (max-width: 1219px) { .bar-pages a .n { display: none; } .bar-pages a { padding: 0 12px; } }
@media (max-width: 1099px) {
  .bar-pages { display: none; }
  .bar-menu { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; padding: 0 16px; background: var(--orange); color: var(--ink); font: 500 15px/1 var(--sans); white-space: nowrap; }
  .bar-menu .t { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
  .bar-menu .n { font: 500 13px/1 var(--mono); }
  .bar-where { display: none; }
  .bar-mid { flex: 1; }
  .bar.is-deep .bar-menu { background: var(--white); }
}
@media (max-width: 760px) {
  .bar-logo { padding: 0 16px; } .bar-logo .t { display: none; }
  .bar-short { gap: 8px; padding: 0 var(--margin) 0 14px; } .bar-short .t { display: none; } .bar-short .i { display: block; }
  .bar-menu { padding: 0 12px; }
}

/* mobile menu — the same named list, full screen */
.menu-sheet { position: fixed; inset: var(--bar-h) 0 0 0; z-index: 29; background: var(--white); padding: 8px var(--margin) var(--s6); overflow-y: auto; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease); }
html.menu-open .menu-sheet { opacity: 1; transform: none; pointer-events: auto; }
.menu-sheet .label { display: block; padding: 24px 0 8px; color: var(--muted); }
.menu-sheet a { display: grid; grid-template-columns: 40px 1fr auto; align-items: baseline; gap: 8px; padding: 14px 0; border-top: 1px solid var(--hair); font: 500 20px/28px var(--sans); letter-spacing: -0.015em; color: var(--ink); }
.menu-sheet a .n, .menu-sheet a .c { font: 500 13px/28px var(--mono); color: var(--muted); }
.menu-sheet a.is-current { font-weight: 600; }
.menu-sheet a.is-current .n { color: var(--ink); }

/* =============================================================================
   Chapter cover — orange surface, display title, numbers with dividers.
   Reference: AI in Design chapter (39444485), «01 Tools» index (bde9e82a)
   ============================================================================= */
.cover { background: var(--orange); color: var(--ink); padding-top: var(--s5); }
.cover .head { padding: 0 var(--margin); }
.cover .head .label { display: block; margin-bottom: var(--s4); }
.cover .display { max-width: 11em; margin-left: -0.05em; overflow-wrap: normal; }
.cover .row1 { padding-top: var(--s3); padding-bottom: var(--s8); }
.cover .row1 .h3 { max-width: 17em; }
.cover .row1 .body { margin-top: var(--s2); color: var(--orange-ink); max-width: 30em; }
.cover .row2 { padding-top: var(--s3); padding-bottom: var(--s8); }
.cover .row2 > .label { padding-top: 4px; }
.cover .label { color: var(--ink); }
.cover .lang-note { display: block; margin-top: var(--s1); }
.cover.compact { padding-top: var(--s4); }
.cover.compact .head .label { margin-bottom: var(--s3); }
.cover.compact .display { line-height: 120px; }
.cover.compact hr.rule { margin-top: var(--s4); }
.cover.compact .row1 { padding-bottom: var(--s7); }
.cover.compact .controls { margin-top: var(--s3); gap: var(--s2); }
.cover.compact .control .caption { max-width: none; }
.cover.compact .control > .label { margin-bottom: 8px; }
.cover.compact .picker-btn { height: 48px; font: 500 18px/1 var(--sans); letter-spacing: -0.01em; padding: 0 16px 0 18px; }
.cover.compact .seg button { height: 48px; font-size: 15px; }
.cover.compact .control .caption { margin-top: 8px; }
.cover.compact + .cat > .fn:first-child { padding-top: var(--s6); }

/* numbers with dividers (report stats row) */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat { display: flex; flex-direction: column; min-width: 0; padding: 0 var(--s3) 0; border-left: 1px solid var(--ink); }
.stat .c { overflow-wrap: break-word; hyphens: auto; -webkit-hyphens: auto; }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat .v { font: var(--f-h2); letter-spacing: var(--t-h2); color: var(--ink); white-space: nowrap; margin-left: -0.04em; }
.stat .c { margin-top: var(--s3); font: var(--f-caption); color: var(--orange-ink); max-width: 15em; }
.white-stats .stat { border-left-color: var(--hair); }
.white-stats .stat .c { color: var(--muted); }

/* chapter index */
.index { border-top: 1px solid var(--ink); }
.index li { border-bottom: 1px solid var(--ink); }
.index a { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 16px; min-height: 56px; padding: 12px 0; font: 450 19px/24px var(--sans); color: var(--ink); transition: padding var(--t-med) var(--ease); }
.index a .n { font: var(--f-label); }
.index a svg { opacity: 0; transform: translateY(-4px); transition: opacity var(--t-fast), transform var(--t-med) var(--ease); }
.index a:hover { padding-left: 8px; }
.index a:hover svg { opacity: 1; transform: none; }
@media (max-width: 760px) {
  .cover.compact .display { line-height: 56px; }
  .cover { padding-top: var(--s4); }
  .cover .row1 { padding-bottom: var(--s6); }
  .cover hr.rule:first-of-type { margin-top: 48px !important; }
  .cover .row1 .c-main, .cover .row2 .c-main { margin-top: var(--s4); }
  .cover .row2 { padding-bottom: var(--s6); }
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: 0; padding: 16px 0; border-top: 1px solid var(--ink); flex-direction: row; align-items: baseline; gap: 16px; }
  .stat:first-child { border-top: 0; padding-top: 0; }
  .stat .v { min-width: 3.4em; }
  .stat .c { margin-top: 0; }
  .white-stats .stat { border-top-color: var(--hair); }
  .index a { grid-template-columns: 40px 1fr auto; font-size: 17px; }
}

/* =============================================================================
   Story sections (home)
   ============================================================================= */
.sec { padding: var(--s4) 0 var(--s10); }
.sec + .sec { border-top: 1px solid var(--ink); }
.sec-head > .label { padding-top: 10px; }
.sec-head .h2 { max-width: 14em; }
.sec-head .lead { margin-top: var(--s4); }
.sec-body { margin-top: var(--s8); }
@media (max-width: 760px) {
  .sec { padding-bottom: var(--s8); }
  .sec-head > .label { margin-bottom: var(--s3); padding-top: 0; }
  .sec-body { margin-top: var(--s6); }
}

/* theses — numbered findings. References: AI in Design «What we learned» (7111c093), Intercom findings (d4b94185) */
.theses li { padding: var(--s4) 0 var(--s7); border-top: 1px solid var(--ink); }
.theses li:first-child { border-top: 0; padding-top: 0; }
.thesis-fig .label { display: block; margin-bottom: var(--s2); }
.thesis-fig .fig { font: var(--f-display); letter-spacing: var(--t-display); color: var(--ink); margin-left: -0.05em; white-space: nowrap; }
.thesis-fig .caption { margin-top: var(--s2); max-width: 20em; }
.thesis-text .h3 { max-width: 22em; }
.thesis-text .body { margin-top: var(--s2); }
@media (max-width: 760px) { .thesis-fig { margin-bottom: var(--s3); } }

/* charts — one per row, cols 6–12, finding-style title.
   References: AI in Design finding with chart (208f8efe) and block chart (a5ae62f7); Manus GAIA (8c5370ca);
   Contra Labs baseline (02d9a4e4); Aside ranked bars (4f0a6897) */
.finding + .finding { margin-top: var(--s10); }
.finding { align-items: start; }
.finding-txt { position: sticky; top: 96px; }
.finding-txt > .label { display: block; margin-bottom: var(--s2); }
.finding .h3 { max-width: 16em; }
.finding .body { margin-top: var(--s2); max-width: 26em; }
.chart { margin: 0; }
@media (max-width: 760px) { .finding-txt { position: static; } .chart { margin-top: var(--s4); } }
.chart-title { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s3); padding-bottom: 12px; border-bottom: 1px solid var(--ink); font: 500 18px/28px var(--sans); color: var(--ink); }
.chart-title .caption { text-align: right; max-width: 20em; }
.chart-body { position: relative; margin-top: var(--s3); }
.chart [data-chart] > svg { width: 100%; height: auto; overflow: visible; }
.chart .grid-line { stroke: var(--hair-2); stroke-width: 1; }
.chart .axis-line { stroke: var(--ink); stroke-width: 1; }
.chart .tick { font: 500 13px var(--mono); fill: var(--muted); }
.chart .era { fill: var(--tint); }
.chart .era-label { font: 500 13px var(--mono); fill: var(--muted); letter-spacing: .04em; }
.chart .line { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .pt { fill: var(--white); stroke: var(--ink); stroke-width: 1.5; }
.chart .pt.key { fill: var(--ink); }
.chart .pt.last { fill: var(--orange); stroke: var(--ink); stroke-width: 1.5; }
.chart .pt-name { font: 500 14px var(--sans); fill: var(--ink); paint-order: stroke; stroke: var(--white); stroke-width: 4px; stroke-linejoin: round; }
.chart .pt-val { font: 500 13px var(--mono); fill: var(--muted); paint-order: stroke; stroke: var(--white); stroke-width: 4px; stroke-linejoin: round; }
.chart .era ~ .pt-name, .chart .era ~ .pt-val { stroke: var(--white); }
.chart .callout-big { font: 500 28px var(--display); fill: var(--ink); letter-spacing: -0.02em; }
.chart .callout-txt { font: 400 15px var(--sans); fill: var(--muted); }
.chart .leader { stroke: var(--ink); stroke-width: 1; }
.takeaway { margin-top: var(--s3); font: var(--f-body); color: var(--ink); }
.takeaway b { font-weight: 600; }

.hbars { display: grid; gap: 10px; }
.hbar { display: grid; grid-template-columns: 200px minmax(0, 1fr); align-items: center; column-gap: var(--s3); }
.hbar .who { display: grid; gap: 2px; min-width: 0; }
.hbar .who b { font: 500 15px/20px var(--sans); color: var(--ink); text-wrap: balance; }
.hbar .who span { font: 500 13px/16px var(--mono); color: var(--muted); }
.hbar .track { position: relative; height: 36px; }
.hbar .fill { position: absolute; inset: 0 auto 0 0; background: var(--ink); }
.hbar.last .fill { background: var(--orange); }
.hbar .val { position: absolute; top: 50%; transform: translateY(-50%); padding-left: 8px; font: 500 18px/1 var(--sans); color: var(--ink); white-space: nowrap; }
.callout-html { display: grid; gap: 4px; margin-top: var(--s2); }
.callout-html b { font: var(--f-h3); letter-spacing: var(--t-h3); color: var(--ink); }
.callout-html span { font: var(--f-caption); color: var(--muted); }
.hbars .ref { position: absolute; top: -10px; bottom: -10px; width: 0; border-left: 1.5px dashed var(--ink); pointer-events: none; }
.hbars .plot { position: relative; display: grid; gap: 10px; }
.ref-label { position: absolute; top: -34px; transform: translateX(-50%); padding: 2px 8px; background: var(--white); border: 1px solid var(--ink); font: 500 13px/18px var(--mono); color: var(--ink); white-space: nowrap; }
@media (max-width: 760px) {
  .hbar { grid-template-columns: 1fr; row-gap: 6px; }
  .hbar .track { height: 32px; }
  .chart-title { flex-direction: column; gap: 4px; }
  .chart-title .caption { text-align: left; }
}

/* six layers — number + name in the label columns, parts in the content columns */
.layers .group { padding: 12px 0; }
.layer { padding: var(--s3) 0; border-top: 1px solid var(--hair); }
.layer:first-of-type { border-top: 1px solid var(--ink); }
.layer .head { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: var(--s2); align-items: start; }
.layer .n { display: grid; place-items: center; width: 48px; height: 48px; font: 500 22px/1 var(--display); }
.layer.tech .n { background: var(--lavender); color: var(--ink); }
.layer.org .n { background: var(--ink); color: var(--white); }
.layer .h3 { padding-top: 6px; }
.layer .caption { margin-top: 6px; max-width: 24em; }
.layer .parts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px var(--gap); align-content: start; padding-top: 8px; }
.layer .parts li { position: relative; padding-left: 20px; font: var(--f-body); color: var(--text); }
.layer .parts li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; background: var(--ink); }
.layer-group-label { padding: var(--s4) 0 var(--s2); }
@media (max-width: 760px) { .layer .parts { grid-template-columns: 1fr; margin-top: var(--s2); padding-left: 64px; } }

/* bolt-on vs rebuild — old in the label columns, new in the content columns.
   Reference: Ploy reframe table (9138eef2) */
.cmp-head { padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.cmp-head .label { display: flex; align-items: center; gap: 10px; }
.cmp-head .sq { width: 12px; height: 12px; border: 1px solid var(--ink); }
.cmp-head .new .sq { background: var(--ink); }
.cmp-row { padding: var(--s3) 0; border-bottom: 1px solid var(--hair); }
.cmp-row .old { font: var(--f-body); color: var(--muted); max-width: 26em; }
.cmp-row .new { display: grid; grid-template-columns: 32px 1fr; gap: 8px; font: var(--f-lead); color: var(--ink); }
.cmp-row .new svg { margin-top: 6px; }
@media (max-width: 760px) {
  .cmp-head .c-main { margin-top: 8px; }
  .cmp-row .new { margin-top: 12px; font: 500 17px/26px var(--sans); }
}

/* dark band — AI-native companies in numbers */
.band { background: var(--dark); color: var(--on-dark); }
.band .h2, .band .label { color: var(--on-dark); }
.band .label.muted { color: var(--on-dark-3); }
.band .lead { color: var(--on-dark-2); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--gap); border-top: 1px solid #3a3a37; }
.fact { display: flex; flex-direction: column; padding-top: var(--s4); }
.fact + .fact { border-left: 1px solid #3a3a37; padding-left: var(--s3); margin-left: calc(var(--gap) * -1 / 2); }
.fact .v { font: var(--f-h2); letter-spacing: var(--t-h2); color: var(--white); white-space: nowrap; margin-left: -0.04em; }
.fact .v .u { font: var(--f-h3); letter-spacing: var(--t-h3); margin-left: .2em; color: var(--on-dark-2); }
.fact .l { margin-top: var(--s3); font: var(--f-caption); color: var(--on-dark-2); max-width: 18em; flex: 1; }
@media (max-width: 1099px) { .facts { grid-template-columns: 1fr 1fr; row-gap: var(--s4); } .fact:nth-child(3) { border-left: 0; padding-left: 0; margin-left: 0; } }
@media (max-width: 760px) { .facts { grid-template-columns: 1fr; } .fact + .fact { border-left: 0; padding-left: 0; margin-left: 0; border-top: 1px solid #3a3a37; } .fact { padding-bottom: var(--s3); } }

/* logo walls — one ink colour, equal visual size, 4:3 cells.
   References: Vucko client grid (822f8e3a), Cursor logo cells (1ffcbd94) */
.wall + .wall { margin-top: var(--s9); }
.wall .h3 { max-width: 14em; }
.wall .note { margin-top: var(--s3); display: flex; align-items: baseline; gap: 12px; }
.wall .note b { font: var(--f-h2); letter-spacing: var(--t-h2); color: var(--ink); }
.logos { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--hair); border-left: 1px solid var(--hair); }
.logo-cell { display: grid; place-items: center; aspect-ratio: 4 / 3; padding: 16px; border-right: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.logo-cell { min-width: 0; }
.logo-cell img { width: auto; height: 26px; max-width: 100% !important; object-fit: contain; filter: brightness(0); }
@media (max-width: 1099px) and (min-width: 761px) { .wall .c-label, .wall .c-main { grid-column: 1 / -1; } .wall .c-main { margin-top: var(--s4); } }
.logo-cell img.knock { filter: grayscale(1) contrast(12) brightness(.9); }
.logo-cell .fallback { font: 600 18px/24px var(--display); color: var(--ink); }
@media (max-width: 760px) { .wall .c-main { margin-top: var(--s4); } .logos { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* next band (orange surface) */
.next { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); min-height: 120px; padding: 0 var(--margin); background: var(--orange); color: var(--ink); transition: background var(--t-fast); }
.next:hover { background: var(--orange-hover); }
.next .t { display: flex; align-items: baseline; gap: var(--s3); font: var(--f-h3); letter-spacing: var(--t-h3); }
.next .t .label { color: var(--orange-ink); }
.next svg { width: 32px; height: 32px; transition: transform var(--t-med) var(--ease); }
.next:hover svg { transform: translateX(6px); }
@media (max-width: 760px) { .next { min-height: 88px; } .next .t { flex-direction: column; gap: 4px; } }

/* =============================================================================
   Catalogue — report finding rows on white, rule-separated.
   References: Intercom key findings rows (d4b94185), AI in Design «01 Tools» (bde9e82a)
   ============================================================================= */
.cat { padding-bottom: var(--s10); }
.cat-key { display: flex; gap: var(--s4); padding: var(--s3) 0 0; }
.cat-key span { display: inline-flex; align-items: center; gap: 10px; }
.fn { padding-top: var(--s9); }
.fn-head { padding-top: var(--s3); border-top: 1px solid var(--ink); }
.fn-head .head-txt { grid-column: 2 / span 9; }
.fn-head .head-txt .label { display: block; margin-bottom: 12px; }
.fn-intro { margin-top: var(--s3); }
.fn-intro > div { grid-column: 2 / span 8; }
.fn-intro .lead { color: var(--ink); max-width: 36em; }
.fn-intro .body { margin-top: var(--s2); }
.rows { margin-top: var(--s5); border-top: 1px solid var(--ink); }
.row { position: relative; padding: var(--s4) 0; border-bottom: 1px solid var(--hair); cursor: pointer; }
.row::before { content: ""; position: absolute; inset: 0 -16px; background: var(--tint); opacity: 0; transition: opacity var(--t-fast); }
.row:hover::before { opacity: 1; }
.row > * { position: relative; }
.row .idx { grid-column: 1; display: flex; align-items: baseline; gap: 8px; padding-top: 6px; font: var(--f-label); color: var(--muted); }
.row .idx .org { color: var(--ink); font-family: var(--sans); font-size: 15px; }
.row .txt { grid-column: 2 / span 7; display: flex; flex-direction: column; min-width: 0; }
.row .h3 a { background-image: linear-gradient(var(--ink), var(--ink)); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size var(--t-med) var(--ease); }
.row:hover .h3 a { background-size: 100% 1px; }
.row .desc { margin-top: 8px; font: var(--f-body); color: var(--text); max-width: 34em; }
.row .desc.clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.row .meta { display: flex; align-items: baseline; gap: var(--s4); margin-top: var(--s2); }
.row .meta .caption { display: inline-flex; align-items: center; gap: 8px; }
.pick { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 6px; padding: 4px 0; font: 500 15px/22px var(--sans); color: var(--ink); white-space: nowrap; text-decoration: underline; text-decoration-color: var(--hair); text-decoration-thickness: 1px; text-underline-offset: 5px; transition: text-decoration-color var(--t-fast); }
.pick:hover { text-decoration-color: var(--ink); }
.pick[aria-pressed="true"] { text-decoration-color: var(--ink); text-decoration-thickness: 2px; }
.row .pic { grid-column: 9 / -1; }
.row.is-selected .idx { color: var(--ink); }
.row.is-selected::after { content: ""; position: absolute; left: -16px; top: 0; bottom: 0; width: 3px; background: var(--ink); }

/* pictures: fixed 16:10 boxes, lazy, quiet skeleton */
.pic-box { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--tint-2); border: 1px solid var(--hair); }
.pic-box img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity var(--t-med) var(--ease); }
.pic-box img.crop { left: 0; top: 0; width: 150%; height: auto; max-width: none; object-fit: initial; -webkit-mask-image: linear-gradient(90deg, #000 56%, transparent 66.6%); mask-image: linear-gradient(90deg, #000 56%, transparent 66.6%); }
.pic-box img.is-loaded { opacity: 1; }
.pic-box.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hair); }
.pic-box.ba > div { position: relative; overflow: hidden; background: var(--tint-2); }
.pic-box.ba img { object-position: center 18%; }
.pic-box.ba .tag { position: absolute; z-index: 1; left: 0; bottom: 0; padding: 4px 8px; background: var(--white); font: 500 13px/16px var(--mono); color: var(--ink); }
.pic-box.ba .tag.after { background: var(--ink); color: var(--white); }
.pic-box.mini { background: var(--white); }
.pic-box.mini svg { width: 100%; height: 100%; }
.skeleton { background-color: var(--tint-2); background-image: repeating-linear-gradient(135deg, transparent 0 10px, rgba(11, 11, 11, .03) 10px 11px); }
.mini .mh { font: 500 13px var(--mono); fill: var(--ink); letter-spacing: .04em; }
@media (max-width: 1439px) { .mini .mh, .mini .mr { display: none; } }
.mini .mr { stroke: var(--ink); stroke-width: 1; }
.mini .bx-in { fill: var(--white); stroke: var(--ink); stroke-width: 1; }
.mini .bx-ai { fill: var(--lavender); }
.mini .bx-h { fill: var(--ink); }
.mini .bx-h { fill: var(--ink); }
.mini .bx-out { fill: var(--white); stroke: var(--ink); stroke-width: 2; }
.mini .tw { font: 500 12px var(--sans); fill: var(--ink); }
.mini .tw.inv { fill: var(--white); }
.mini .ar { stroke: var(--ink); stroke-width: 1.5; fill: none; }
.mini .ah { fill: var(--ink); }

@media (max-width: 1099px) {
  .row .txt { grid-column: 2 / span 6; }
  .row .pic { grid-column: 8 / -1; }
}
@media (max-width: 760px) {
  .fn { padding-top: var(--s7); }
  .fn-head .head-txt, .fn-intro > div { grid-column: 1; }
  .row { display: grid; grid-template-columns: minmax(0, 1fr); padding: 24px 0; }
  .row .idx { grid-column: 1; padding-top: 0; margin-bottom: 6px; }
  .row .txt { grid-column: 1; grid-row: 2; }
  .row .pic { grid-column: 1; grid-row: 3; margin-top: 16px; }
  .row .meta { flex-wrap: wrap; gap: 8px 24px; }
  .mini .tw, .mini .mh { display: none; }
}

/* =============================================================================
   Industry controls on the cover.
   References: Behance searchable picker (d7ba0551), Slite filter dropdown (4d8c7d18)
   ============================================================================= */
.controls { display: grid; gap: var(--s4); }
.control { min-width: 0; }
.control > .label { display: block; margin-bottom: 12px; }
.picker-btn > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.picker-btn { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; height: 64px; padding: 0 20px 0 24px; background: var(--white); border: 1px solid var(--ink); font: var(--f-h3); letter-spacing: var(--t-h3); color: var(--ink); transition: box-shadow var(--t-fast); }
.picker-btn:hover, .picker-btn[aria-expanded="true"] { box-shadow: 4px 4px 0 var(--ink); }
.picker-btn svg { transition: transform var(--t-med) var(--ease); }
.picker-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.seg { display: flex; background: var(--white); border: 1px solid var(--ink); }
.seg button { flex: 1; height: 56px; padding: 0 12px; border-left: 1px solid var(--ink); font: 500 16px/1 var(--sans); color: var(--text); white-space: nowrap; transition: background var(--t-fast), color var(--t-fast); }
.seg button:first-child { border-left: 0; }
.seg button:hover { background: var(--lavender-soft); }
.seg button[aria-checked="true"] { background: var(--ink); color: var(--white); }
.control .caption { margin-top: 12px; color: var(--orange-ink); max-width: 36em; }
.popover { position: fixed; z-index: 60; width: 560px; max-width: calc(100vw - 32px); background: var(--white); border: 1px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); opacity: 0; transform: translateY(-6px); pointer-events: none; transition: opacity var(--t-fast), transform var(--t-med) var(--ease); }
.popover.is-open { opacity: 1; transform: none; pointer-events: auto; }
.pop-search { display: flex; align-items: center; gap: 12px; padding: 0 16px; height: 56px; border-bottom: 1px solid var(--ink); }
.pop-search input { flex: 1; height: 100%; border: 0; background: none; font: var(--f-body); outline: none; }
.pop-search input::placeholder { color: var(--muted); }
.pop-search kbd { font: 500 13px/1 var(--mono); color: var(--muted); padding: 4px 6px; border: 1px solid var(--hair); }
.pop-list { padding: 8px 0 12px; max-height: min(560px, 70vh); overflow-y: auto; overscroll-behavior: contain; }
.pop-group { break-inside: avoid; padding: 8px 0 4px; }
.pop-group .label { display: block; padding: 8px 20px 6px; color: var(--muted); }
.pop-opt { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 40px; padding: 8px 20px; text-align: left; font: 450 16px/22px var(--sans); color: var(--text); }
.pop-opt:hover, .pop-opt.is-hl { background: var(--lavender-soft); color: var(--ink); }
.pop-opt[aria-selected="true"] { font-weight: 600; color: var(--ink); }
.pop-opt .tick { opacity: 0; }
.pop-opt[aria-selected="true"] .tick { opacity: 1; }
.pop-empty { padding: 24px 20px; font: var(--f-caption); color: var(--muted); }
.pop-backdrop { position: fixed; inset: 0; z-index: 59; background: rgba(11, 11, 11, .45); }
.pop-backdrop[hidden] { display: none; }
@media (max-width: 760px) {
  /* phone: bottom sheet; search stays on top, the list scrolls inside the sheet */
  .popover { left: 0 !important; right: 0; top: auto !important; bottom: 0; width: 100%; max-width: 100%; box-shadow: none; border-width: 1px 0 0;
             display: flex; flex-direction: column; max-height: 85vh; max-height: 85dvh; padding-bottom: env(safe-area-inset-bottom); }
  .pop-search { flex: none; }
  .pop-search kbd { display: none; }
  .pop-search input { font-size: 16px; }
  .pop-list { flex: 1 1 auto; min-height: 0; max-height: none !important; overflow-y: auto; -webkit-overflow-scrolling: touch; touch-action: pan-y; }
  .pop-opt { min-height: 48px; }
  .seg button { height: 52px; font-size: 15px; padding: 0 6px; }
  .picker-btn { height: 56px; }
}

/* =============================================================================
   Detail sheet — side sheet ≥900px, full screen on mobile.
   Reference: Deel side panel (d4e5f55c)
   ============================================================================= */
.scrim { position: fixed; inset: 0; z-index: 40; background: rgba(255, 255, 255, .6); backdrop-filter: blur(8px) grayscale(1); -webkit-backdrop-filter: blur(8px) grayscale(1); opacity: 0; pointer-events: none; transition: opacity var(--t-med) var(--ease); }
.scrim.is-open { opacity: 1; pointer-events: auto; }
.sheet { position: fixed; z-index: 41; top: 0; right: 0; bottom: 0; width: var(--sheet-w); max-width: 100%; display: flex; flex-direction: column; background: var(--white); border-left: 1px solid var(--ink); box-shadow: none; transform: translateX(100%); transition: transform var(--t-med) var(--ease); }
.sheet.is-open { transform: none; box-shadow: -24px 0 64px rgba(11, 11, 11, .12); }
.sheet-scroll { flex: 1; overflow-y: auto; overscroll-behavior: contain; }
.sh-head { background: var(--orange); padding: 20px 40px 40px; }
.sh-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.sh-x { display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 14px; border: 1px solid var(--ink); background: var(--white); font: 500 15px/1 var(--sans); color: var(--ink); transition: box-shadow var(--t-fast); }
.sh-x:hover { box-shadow: 3px 3px 0 var(--ink); }
.sh-title { margin-top: var(--s5); font: var(--f-h2); letter-spacing: var(--t-h2); color: var(--ink); max-width: 15em; outline: none; }
.sh-org { display: inline-flex; align-items: center; gap: 10px; margin-top: var(--s3); padding: 8px 12px; background: var(--ink); color: var(--white); font: var(--f-label); letter-spacing: var(--t-label); text-transform: uppercase; }
.sh-org::before { content: "◆"; font-family: var(--sans); font-size: 13px; }
.sh-body { padding: 0 40px var(--s7); }
.sh-sec { display: grid; grid-template-columns: 200px minmax(0, 1fr); column-gap: var(--s4); padding: var(--s4) 0; border-top: 1px solid var(--ink); }
.sh-sec:first-child { border-top: 0; }
.sh-sec > .label { padding-top: 4px; }
.sh-sec.wide { display: block; }
.sh-sec.wide > .label { display: block; margin-bottom: var(--s3); }
.sh-what { font: var(--f-lead); color: var(--ink); }
.sh-pair { display: grid; grid-template-columns: 1fr 1fr; column-gap: var(--s4); border-top: 1px solid var(--ink); }
.sh-pair > div { padding: var(--s4) 0; }
.sh-pair > div + div { padding-left: var(--s4); border-left: 1px solid var(--hair); }
.sh-pair .label { display: block; margin-bottom: var(--s2); }
.steps li { display: grid; grid-template-columns: 48px minmax(0, 1fr); padding: 14px 0; border-top: 1px solid var(--hair); }
.steps li:first-child { border-top: 0; padding-top: 2px; }
.steps .n { font: var(--f-label); color: var(--ink); padding-top: 4px; }
.sh-under { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; height: 32px; padding: 0 12px; border: 1px solid var(--hair); font: var(--f-caption); color: var(--text); white-space: nowrap; }
.layer-mark { display: flex; align-items: center; gap: 16px; margin-bottom: var(--s2); }
.layer-mark .stack6 { display: flex; flex-direction: column-reverse; gap: 3px; width: 40px; }
.layer-mark .stack6 i { height: 6px; background: var(--hair); }
.layer-mark .stack6 i.on { background: var(--ink); }
.sh-foot { flex: none; display: grid; grid-template-columns: 1fr auto; border-top: 1px solid var(--ink); background: var(--white); }
.btn-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 72px; padding: 0 28px 0 40px; background: var(--ink); color: var(--white); font: 500 19px/1 var(--sans); transition: background var(--t-fast); }
.btn-bar:hover { background: #262624; }
.btn-bar[aria-pressed="true"] { background: var(--lavender); color: var(--ink); }
.btn-side { display: flex; align-items: center; gap: 10px; height: 72px; padding: 0 28px; border-left: 1px solid var(--ink); font: 500 16px/1 var(--sans); color: var(--ink); transition: background var(--t-fast); }
.btn-side:hover { background: var(--tint); }
@media (max-width: 1000px) { :root { --sheet-w: 100%; } }
@media (max-width: 760px) {
  .sheet { border-left: 0; }
  .sh-head { padding: 16px 20px 28px; }
  .sh-title { margin-top: var(--s3); }
  .sh-body { padding: 0 20px var(--s6); }
  .sh-sec { grid-template-columns: 1fr; row-gap: 12px; }
  .sh-pair { grid-template-columns: 1fr; }
  .sh-pair > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--hair); }
  .btn-bar { height: 64px; padding: 0 20px; font-size: 17px; }
  .btn-side { height: 64px; padding: 0 18px; }
  .btn-side .t { display: none; }
}

/* one image plate, click to zoom */
.vis { margin: 0; }
.plate { position: relative; display: block; width: 100%; border: 1px solid var(--hair); background: var(--tint); overflow: hidden; cursor: zoom-in; }
.plate.ui { aspect-ratio: 3 / 2; }
.plate img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity var(--t-med) var(--ease); }
.plate img.is-loaded { opacity: 1; }
.plate .zoom { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--white); border: 1px solid var(--ink); font: 500 13px/16px var(--mono); color: var(--ink); opacity: 0; transition: opacity var(--t-fast); }
.plate:hover .zoom, .plate:focus-visible .zoom { opacity: 1; }
.vis figcaption { margin-top: 12px; font: var(--f-caption); color: var(--muted); }
.ba2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ba2 .plate { aspect-ratio: 2 / 3; }
.ba2 .tag { position: absolute; z-index: 1; top: 0; left: 0; padding: 6px 10px; font: 500 15px/20px var(--sans); background: var(--white); color: var(--ink); border-right: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.ba2 .tag.after { background: var(--ink); color: var(--white); border: 0; }
.placeholder { display: grid; place-items: center; align-content: center; gap: 12px; width: 100%; aspect-ratio: 3 / 2; padding: 32px; text-align: center; border: 1px solid var(--hair); }
.placeholder p { font: var(--f-h3); letter-spacing: var(--t-h3); color: var(--ink); max-width: 18em; }

/* schema: Sources → AI → Person → Result. Reference: OpenAI step diagram (688ad284) */
.schema { position: relative; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); column-gap: 48px; }
.sc-col { display: flex; flex-direction: column; }
.sc-head { padding-bottom: 8px; margin-bottom: 16px; border-bottom: 1px solid var(--ink); font: var(--f-label); letter-spacing: var(--t-label); text-transform: uppercase; color: var(--ink); }
.sc-boxes { flex: 1; display: grid; grid-auto-rows: minmax(56px, 1fr); gap: 12px; align-content: center; }
.sc-box { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; text-align: center; padding: 10px 12px; border: 1px solid var(--ink); background: var(--white); font: 500 15px/20px var(--sans); color: var(--ink); }
.sc-col.ai .sc-box { background: var(--lavender); border-color: var(--lavender); }
.sc-col.human .sc-box { background: var(--ink); color: var(--white); }
.sc-col.out .sc-box { border-width: 2px; }
.sc-arrows { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: visible; }
.sc-arrows path { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.sc-arrows .hd { fill: var(--ink); stroke: none; }
@media (max-width: 760px) {
  .schema { grid-auto-flow: row; grid-auto-columns: auto; row-gap: 40px; }
  .sc-arrows { display: none; }
  .sc-col + .sc-col::before { content: "↓"; display: block; margin: -32px 0 8px; font: 500 20px/24px var(--sans); color: var(--ink); text-align: center; }
  .ba2 { gap: 8px; }
}

/* lightbox. Reference: Google AI Studio image viewer (fc0432fa) */
.lightbox { position: fixed; inset: 0; z-index: 70; display: grid; grid-template-rows: auto 1fr; background: rgba(11, 11, 11, .92); color: var(--white); opacity: 0; pointer-events: none; transition: opacity var(--t-med) var(--ease); }
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lb-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; padding: 0 24px; border-bottom: 1px solid #2c2c2a; }
.lb-top .label { color: var(--on-dark-2); }
.lb-x { display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 14px; border: 1px solid #3c3c39; font: 500 15px/1 var(--sans); color: var(--white); }
.lb-x:hover { border-color: var(--white); }
.lb-stage { display: grid; place-items: center; padding: 24px; min-height: 0; }
.lb-stage img { max-width: 100%; max-height: calc(100vh - 160px); width: auto; height: auto; box-shadow: 0 24px 64px rgba(0, 0, 0, .5); }
.lb-cap { padding: 16px 24px 24px; font: var(--f-caption); color: var(--on-dark-2); text-align: center; }

/* toast */
.toast { position: fixed; z-index: 80; left: 50%; bottom: 24px; display: flex; align-items: center; gap: 12px; padding: 14px 20px; background: var(--ink); color: var(--white); font: 500 15px/20px var(--sans); transform: translate(-50%, 16px); opacity: 0; pointer-events: none; transition: opacity var(--t-fast), transform var(--t-med) var(--ease); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.toast svg { color: var(--lavender); }

/* =============================================================================
   Shortlist — a mini report
   ============================================================================= */
.name-field { display: inline; min-width: 2ch; background: transparent; font: inherit; letter-spacing: inherit; color: var(--ink); outline: none; text-decoration: underline dashed 3px; text-underline-offset: 12px; text-decoration-skip-ink: none; }
.name-field:focus { text-decoration-style: solid; }
.name-field:empty::before { content: attr(data-ph); color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 56px; padding: 0 22px; border: 1px solid var(--ink); background: var(--white); font: 500 16px/1 var(--sans); color: var(--ink); transition: box-shadow var(--t-fast), background var(--t-fast); }
.btn:hover { box-shadow: 4px 4px 0 var(--ink); }
.btn.black { background: var(--ink); color: var(--white); }
.btn.black:hover { box-shadow: 4px 4px 0 var(--lavender); }
.btn[disabled] { background: transparent; color: rgba(11, 11, 11, .4); border-color: rgba(11, 11, 11, .4); box-shadow: none; pointer-events: none; }
.row .rm { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px; border: 1px solid var(--hair); background: var(--white); font: 500 15px/1 var(--sans); color: var(--muted); opacity: 0; transition: opacity var(--t-fast), border-color var(--t-fast), color var(--t-fast); }
.row:hover .rm, .row .rm:focus-visible, .row:focus-within .rm { opacity: 1; }
.row .rm:hover { border-color: var(--ink); color: var(--ink); }
@media (hover: none) { .row .rm { opacity: 1; } }
.build li { padding: var(--s4) 0; border-bottom: 1px solid var(--hair); }
.build .idx { grid-column: 1; padding-top: 6px; font: var(--f-label); color: var(--muted); }
.build .txt { grid-column: 2 / span 7; }
.build .desc { margin-top: 8px; font: var(--f-body); color: var(--text); }
.build .need { grid-column: 10 / -1; justify-self: end; padding-top: 8px; color: var(--muted); }
@media (max-width: 760px) { .build .idx, .build .txt, .build .need { grid-column: 1; justify-self: start; } }
.contact { background: var(--orange); }
.contact .g12 { padding-top: var(--s7); padding-bottom: var(--s8); }
.contact .c-head { grid-column: 2 / span 6; }
.contact .c-head .label { display: block; margin-bottom: var(--s3); }
.contact .c-head .lead { margin-top: var(--s3); color: var(--ink); }
.contact .c-det { grid-column: 9 / -1; }
@media (max-width: 1099px) { .contact .c-head, .contact .c-det { grid-column: 2 / -1; } .contact .c-det { margin-top: var(--s5); } }
@media (max-width: 760px) { .contact .c-head, .contact .c-det { grid-column: 1; } }
.contact .h2 { max-width: 12em; }
.contact dl { display: grid; grid-template-columns: 160px 1fr; gap: 12px var(--s3); margin: 0 0 var(--s5); }
.contact dt { font: var(--f-label); letter-spacing: var(--t-label); text-transform: uppercase; color: var(--orange-ink); padding-top: 4px; }
.contact dd { margin: 0; font: var(--f-lead); color: var(--ink); }
.contact dd a { border-bottom: 1px solid var(--ink); }
.empty { padding: var(--s9) 0 var(--s10); }
.empty .body { margin-top: var(--s3); }
.empty .actions { margin-top: var(--s5); }
@media (max-width: 760px) {
  .contact dl { grid-template-columns: 1fr; }
  .actions .btn { flex: 1 1 auto; justify-content: center; }
  .contact .c-head, .contact .c-det { grid-column: 1; }
}

/* =============================================================================
   Footer — black, giant wordmark. References: AI in Design footer (9c3f760d), Runway colophon (4ae489e5)
   ============================================================================= */
.site-foot { background: var(--ink); color: var(--on-dark); padding-top: var(--s7); overflow: hidden; }
.site-foot .cols { row-gap: var(--s5); }
.site-foot .col > .label { display: block; margin-bottom: var(--s2); color: var(--on-dark-3); }
.site-foot .col li + li { margin-top: 8px; }
.site-foot .col a, .site-foot .col span { font: var(--f-caption); color: var(--on-dark); }
.site-foot .col a:hover { color: var(--lavender); }
.site-foot .c1 { grid-column: 1 / span 5; }
.site-foot .c2 { grid-column: 6 / span 3; }
.site-foot .c3 { grid-column: 9 / -1; }
.site-foot .c1 .h3 { color: var(--on-dark); max-width: 14em; }
.site-foot .c1 .caption { margin-top: var(--s2); color: var(--on-dark-2); max-width: 26em; }
.wordmark { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-top: var(--s8); padding: 0 var(--margin); }
.wordmark span { font: 500 200px/150px var(--display); letter-spacing: -0.06em; color: var(--white); margin-left: -0.05em; white-space: nowrap; }
.wordmark .y { color: var(--orange); }
.legal { display: flex; justify-content: space-between; gap: 16px; margin-top: var(--s3); padding: 16px var(--margin) 24px; border-top: 1px solid #2c2c2a; font: var(--f-caption); color: var(--on-dark-3); }
@media (max-width: 1099px) { .wordmark span { font-size: 128px; line-height: 104px; } }
@media (max-width: 760px) {
  .site-foot .c1, .site-foot .c2, .site-foot .c3 { grid-column: 1; }
  .wordmark span { font-size: 60px; line-height: 52px; }
  .legal { flex-direction: column; }
}

/* narrow phones (≤400px): smaller display sizes, wrapping segmented buttons, reference label inside the chart */
@media (max-width: 400px) {
  .hbars .ref-label { transform: translateX(calc(-100% - 6px)); }
  .seg button, .cover.compact .seg button { flex: 1 1 0; min-width: 0; white-space: normal; line-height: 1.15; padding: 0 4px; font-size: 14px; hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
  .wordmark span { font-size: 44px; line-height: 40px; }
}

/* =============================================================================
   Motion preferences
   ============================================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* =============================================================================
   Print — A4 shortlist. Running header/footer come from @page margin boxes injected by app.js.
   Reference: GetYourGuide document layout (44469bb9)
   ============================================================================= */
.print-only { display: none; }
@media print {
  .bar, .where-pop, .menu-sheet, .scrim, .sheet, .lightbox, .popover, .toast, .skip { display: none !important; }
  .cover, .contact, .next { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  html.pr-mode, html.pr-mode body { background: var(--white); }
  html.pr-mode body > *:not(.print-only) { display: none !important; }
  html.pr-mode .print-only { display: block; font: 400 10.5pt/15pt var(--sans); color: var(--ink); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .print-only p, .print-only li { text-wrap: pretty; }
  .pr-cover { display: flex; flex-direction: column; justify-content: space-between; height: 297mm; padding: 22mm 16mm 18mm; background: var(--orange); break-after: page; page-break-after: always; }
  .pr-cover .k { font: 500 10pt/13pt var(--mono); text-transform: uppercase; letter-spacing: .06em; }
  .pr-cover h1 { margin-top: 14mm; font: 500 52pt/52pt var(--display); letter-spacing: -0.03em; text-wrap: balance; }
  .pr-cover .sub { margin-top: 8mm; font: 500 15pt/20pt var(--sans); }
  .pr-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1pt solid var(--ink); padding-top: 6mm; }
  .pr-stats div { display: flex; flex-direction: column; padding-left: 5mm; border-left: 1pt solid var(--ink); }
  .pr-stats div:first-child { padding-left: 0; border-left: 0; }
  .pr-stats b { font: 500 34pt/36pt var(--display); letter-spacing: -0.03em; }
  .pr-stats span { margin-top: 3mm; font: 400 10.5pt/14pt var(--sans); color: var(--orange-ink); }
  .pr-cover .who { padding-top: 5mm; border-top: 1pt solid var(--ink); font: 600 11pt/15pt var(--sans); }
  .pr-group { margin-top: 10pt; }
  .pr-group > h2 { padding: 6pt 0; border-bottom: 1pt solid var(--ink); break-after: avoid; page-break-after: avoid; font: 500 10pt/13pt var(--mono); text-transform: uppercase; letter-spacing: .06em; }
  .pr-item { display: grid; grid-template-columns: 22pt 1fr 52mm; column-gap: 10pt; padding: 11pt 0 13pt; border-bottom: .5pt solid #bbb; break-inside: avoid; page-break-inside: avoid; }
  .pr-item .n { font: 500 10pt/16pt var(--mono); }
  .pr-item h3 { font: 600 13pt/17pt var(--sans); letter-spacing: -0.01em; text-wrap: balance; }
  .pr-item .what { margin-top: 3pt; font: 400 10.5pt/15pt var(--sans); color: #222; }
  .pr-item .k { display: block; margin-top: 8pt; font: 500 10pt/13pt var(--mono); text-transform: uppercase; letter-spacing: .04em; color: #555; }
  .pr-item ol { margin-top: 3pt; }
  .pr-item ol li { position: relative; padding-left: 16pt; font: 400 10pt/14pt var(--sans); }
  .pr-item ol li .sn { position: absolute; left: 0; font: 500 10pt/14pt var(--mono); }
  .pr-item .human { margin-top: 3pt; font: 400 10pt/14pt var(--sans); }
  .pr-item .org { display: inline-block; margin-top: 6pt; padding: 2pt 5pt; border: 1pt solid var(--ink); font: 500 10pt/13pt var(--mono); text-transform: uppercase; letter-spacing: .04em; }
  .pr-pic { position: relative; width: 52mm; aspect-ratio: 16 / 10; overflow: hidden; border: .5pt solid #bbb; align-self: start; }
  .pr-pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
  .pr-pic.ui img { width: 150%; height: auto; object-fit: initial; }
  .pr-pic.mini svg { width: 100%; height: 100%; }
  .pr-build li { padding: 6pt 0; border-bottom: .5pt solid #bbb; break-inside: avoid; }
  .pr-build b { font: 600 11pt/15pt var(--sans); }
  .pr-build span { display: block; font: 400 10pt/14pt var(--sans); color: #333; }
  .pr-keep { break-inside: avoid; page-break-inside: avoid; }
  .pr-contact { margin-top: 16pt; padding: 12mm 10mm; background: var(--orange); break-inside: avoid; page-break-inside: avoid; }
  .pr-contact .k { font: 500 10pt/13pt var(--mono); text-transform: uppercase; letter-spacing: .06em; }
  .pr-contact .big { margin: 5mm 0; font: 500 20pt/25pt var(--display); letter-spacing: -0.02em; }
  .pr-contact p:last-child { font: 500 11pt/16pt var(--sans); }
  a { color: inherit; }
}