/* Split-View PDFs project page */
:root {
  --bg: #f6f2ea;
  --bg2: #efe8dc;
  --card: #fffdf9;
  --ink: #1b1b1d;
  --ink2: #3b3832;
  --muted: #776f60;
  --line: #e3dac9;
  --dark: #141518;
  --dark2: #1e2026;
  --see: #0a6fd6;
  --read: #d0342c;
  --ok: #23824f;
  --f-override: #6250d6;
  --f-hidden: #eb6834;
  --f-order: #1baf7a;
  --f-font: #c2489a;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
code, .mono { font-family: var(--mono); }
button { font: inherit; color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.glance > *, .explorer > *, .res-grid > *, .fp > *, .cite-grid > *, .case-body > *, .tri > *, .eg-grid > * { min-width: 0; }

/* ---------- masthead ---------- */
.masthead {
  background: var(--dark);
  color: #eee;
  text-align: center;
  padding: 40px 0 128px;
  position: relative;
  overflow: hidden;
}
.masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.masthead .wrap { position: relative; }
.venue { display: inline-block; font: 600 12px/1 var(--mono); letter-spacing: .12em; color: #ffcf6b; border: 1px solid #5c4d26; background: rgba(255, 207, 107, .06); padding: 7px 12px; border-radius: 6px; margin-bottom: 18px; }
.masthead h1 { margin: 0; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.06; letter-spacing: -.025em; font-weight: 800; }
.masthead h1 .neq { color: #ff8a80; }
.masthead .subtitle { margin: 12px auto 0; font-size: clamp(16px, 2vw, 21px); color: #b9b9be; font-weight: 400; max-width: 760px; }
.authors { margin: 18px 0 0; font-size: 17px; color: #e6e6e6; }
.authors a { text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.25); }
.authors a:hover { border-color: #fff; }
.authors span + span::before { content: "·"; margin: 0 12px; color: #666; }
.affil { margin: 4px 0 0; color: #9a9aa0; font-size: 14.5px; }
.btn-row { display: flex; gap: 10px; justify-content: center; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; border: 1px solid #3a3b42; background: #1c1d22; color: #f1f1f1; font-size: 14.5px; font-weight: 500; text-decoration: none; transition: background .2s, border-color .2s, transform .2s; }
.btn:hover { background: #26272e; border-color: #5a5b64; transform: translateY(-1px); }
.btn svg { width: 16px; height: 16px; }
.badges { display: flex; gap: 8px; justify-content: center; }
.badges img { width: 46px; height: 46px; }
.btn-row .badges { margin-left: 8px; }

/* ---------- hero ---------- */
.hero { margin-top: -100px; position: relative; z-index: 2; }
.hero-fit { position: relative; width: 100%; }
.hero-note { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 14px; font-size: 13px; color: var(--muted); }
.hero-note p { margin: 0; max-width: 820px; }
.pill-btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--card); padding: 6px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; color: var(--ink2); transition: border-color .2s; }
.pill-btn:hover { border-color: #b9ad97; }

/* ---------- sections ---------- */
.sec { padding: 104px 0 24px; }
.sec-head { display: flex; align-items: center; gap: 12px; font: 600 12.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.sec-head .num { color: var(--read); }
.sec-head::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.sec h2 { font-size: clamp(28px, 3.6vw, 42px); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 16px; font-weight: 800; max-width: 900px; }
.sec h3 { font-size: 21px; letter-spacing: -.01em; margin: 0 0 8px; }
.lead { font-size: 18.5px; color: var(--ink2); max-width: 820px; margin: 0 0 36px; }
.see { color: var(--see); font-weight: 600; }
.read { color: var(--read); font-weight: 600; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.caption { font-size: 13.5px; color: var(--muted); margin-top: 12px; }
.kicker { font: 600 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- 02 glance ---------- */
.glance { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: start; }
.glance .tldr { font-size: 18px; color: var(--ink2); margin: 0; }
.glance .tldr p { margin: 0 0 16px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { padding: 20px 18px 18px; }
.stat b { display: block; font-size: 40px; line-height: 1; letter-spacing: -.03em; font-weight: 800; font-variant-numeric: tabular-nums; }
.stat span { display: block; margin-top: 8px; font-size: 13.5px; color: var(--muted); line-height: 1.4; }
.stat.hl { background: var(--dark); border-color: var(--dark); color: #fff; }
.stat.hl span { color: #a9a9b0; }
.findings { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.finding { padding: 18px 20px; font-size: 15px; color: var(--ink2); }
.finding b { display: block; font-size: 15.5px; color: var(--ink); margin-bottom: 4px; }

/* ---------- 03 mechanism ---------- */
.paths { padding: 26px 18px 18px; overflow: hidden; }
.paths svg { width: 100%; height: auto; display: block; }
.paths .flow { stroke-dasharray: 6 8; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -28; } }
.fam-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 44px 0 14px; }
.fam-tab { display: inline-flex; align-items: center; gap: 9px; padding: 10px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font-size: 15px; font-weight: 600; color: var(--ink2); transition: all .2s; }
.fam-tab i { width: 10px; height: 10px; border-radius: 3px; display: block; }
.fam-tab small { font: 500 11.5px var(--mono); color: var(--muted); }
.fam-tab[aria-selected="true"] { background: var(--dark); border-color: var(--dark); color: #fff; }
.fam-tab[aria-selected="true"] small { color: #9a9aa0; }
.fam-panel { padding: 22px; }
.fam-panel[hidden] { display: none; }
.fam-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.fam-top p { margin: 0; color: var(--ink2); max-width: 720px; font-size: 15.5px; }
.seg { display: inline-flex; background: var(--bg2); padding: 3px; border-radius: 10px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 8px; font-size: 13px; cursor: pointer; color: var(--ink2); white-space: nowrap; }
.seg button[aria-pressed="true"] { background: var(--card); box-shadow: 0 1px 3px rgba(0,0,0,.12); color: var(--ink); font-weight: 600; }
.tri { display: grid; grid-template-columns: 1fr 1.05fr 1fr; gap: 14px; align-items: stretch; }
.tri > div { border-radius: 12px; padding: 14px 16px; min-width: 0; display: flex; flex-direction: column; }
.tri .lbl { font: 600 11px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.tri .v-see { background: #fff; border: 1px solid var(--line); }
.tri .v-see .lbl { color: var(--see); }
.tri .v-code { background: var(--dark2); color: #c9d1d9; font: 12.5px/1.75 var(--mono); }
.tri .v-code .lbl { color: #8b949e; }
.tri .v-read { background: #fdf6f4; border: 1px solid #f1d6d1; }
.tri .v-read .lbl { color: var(--read); }
.v-code pre { margin: 0; white-space: pre-wrap; word-break: break-word; font: inherit; }
.v-code .k { color: #ff7b72; } .v-code .s { color: #a5d6ff; } .v-code .c { color: #6e7681; } .v-code .n { color: #d2a8ff; }
.v-code .hot { background: rgba(255, 123, 114, .18); border-radius: 3px; color: #ffa198; transition: background .3s; }
.mini-page { flex: 1; background: #fff; border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,.12); padding: 18px 18px 22px; font-family: Helvetica, Arial, sans-serif; color: #111; position: relative; overflow: hidden; min-height: 150px; }
.mini-page .doc-title { font-weight: 700; font-size: 15px; margin-bottom: 10px; }
.mini-page .doc-line { font-size: 14px; line-height: 1.8; }
.out { flex: 1; font: 14px/1.75 var(--mono); color: #3c3631; white-space: pre-wrap; word-break: break-word; }
.out .bad, .bad-txt { color: var(--read); background: rgba(208, 52, 44, .08); border-radius: 3px; font-weight: 600; }
.exposure { margin-top: 12px; font-size: 12.5px; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.exposure b { color: var(--ink2); font-variant-numeric: tabular-nums; }
.eg-chip { display: inline-flex; align-items: center; gap: 6px; font: 600 11.5px/1 var(--mono); padding: 5px 8px; border-radius: 6px; background: var(--bg2); color: var(--ink2); border: 0; cursor: pointer; text-decoration: none; }
.eg-chip:hover { background: #e4dccd; }
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 13.5px; color: var(--ink2); user-select: none; border: 0; background: none; padding: 0; }
.switch .track { width: 38px; height: 22px; border-radius: 999px; background: #d5ccbb; position: relative; transition: background .25s; flex: none; }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.3); transition: transform .25s cubic-bezier(.4,0,.2,1); }
.switch[aria-checked="true"] .track { background: var(--read); }
.switch[aria-checked="true"] .track::after { transform: translateX(16px); }
/* hidden semantic injection: one slider drives each technique */
.hid-seg { margin-bottom: 12px; }
.hid-bar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.hid-range { display: inline-flex; align-items: center; gap: 10px; font: 600 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); flex: 1; min-width: 240px; max-width: 460px; }
.hid-range input { flex: 1; accent-color: var(--read); cursor: pointer; }
.hid-wrap { position: relative; flex: 1; display: flex; flex-direction: column; min-height: 214px; }
.hid-page { position: relative; height: 214px; min-height: 0; flex: none; overflow: hidden; transform-origin: 50% 0; transition: transform .6s cubic-bezier(.2,.8,.2,1), box-shadow .4s; }
.hid-page .pl-row { position: absolute; left: 18px; top: 132px; height: 20px; line-height: 20px; white-space: nowrap; font-size: 14px; }
.hid-page .pl { display: inline-block; transform-origin: 0 50%; border-radius: 2px; }
.pl-ghost { position: absolute; left: 0; top: 0; color: rgba(208, 52, 44, .6); outline: 1.5px dashed var(--read); outline-offset: 2px; border-radius: 2px; opacity: 0; transition: opacity .3s; pointer-events: none; }
.rv-ghost .pl-ghost { opacity: 1; }
.rv-select .doc-title, .rv-select .doc-line, .rv-select .pl { background: rgba(56, 132, 255, .32); }
.rv-zoom .hid-page { transform: scale(.62); overflow: visible; box-shadow: 0 0 0 2px var(--see), 0 1px 4px rgba(0,0,0,.12); }
.rv-zoom .hid-page::after { content: "page box"; position: absolute; left: 0; top: -22px; font: 600 15px/1 var(--mono); color: var(--see); }
.rv-zoom .pl { outline: 2px dashed var(--read); outline-offset: 3px; }
.clip-box { position: absolute; left: 10px; right: 10px; top: 14px; border: 1.5px dashed var(--see); border-radius: 4px; pointer-events: none; }
.clip-box span { position: absolute; right: 6px; bottom: 3px; font: 600 10px/1 var(--mono); color: var(--see); }
.cover-box { position: absolute; left: 12px; top: 128px; width: 320px; height: 28px; background: #fff; }
.rv-cover .cover-box { background: rgba(255, 255, 255, .5); outline: 1.5px dashed var(--read); }
.rv-cover .cover-box::after { content: "white box, painted later"; position: absolute; right: 4px; top: -16px; font: 600 10px/1 var(--mono); color: var(--read); }
.layers { position: absolute; right: 8px; top: 8px; display: flex; flex-direction: column; gap: 1px; padding: 6px 9px; border: 1px solid #ddd; border-radius: 6px; background: #f7f7f7; font: 11px/1.45 -apple-system, BlinkMacSystemFont, sans-serif; color: #333; }
.layers b { font-size: 10px; color: #888; text-transform: uppercase; letter-spacing: .06em; }
.lens { position: absolute; left: 6px; top: 86px; width: 116px; height: 116px; border-radius: 50%; border: 3px solid #2b2b2b; background: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.25); overflow: hidden; display: flex; align-items: center; transform: scale(0); transform-origin: 30% 60%; transition: transform .45s cubic-bezier(.3,1.4,.5,1); pointer-events: none; }
.lens span { white-space: nowrap; font-size: 22px; padding-left: 10px; color: #111; }
.lens i { position: absolute; right: 18px; bottom: 14px; font: 700 10px/1 var(--mono); font-style: normal; color: var(--read); }
.rv-lens .lens { transform: scale(1); }
.rv-paint .pl { background: linear-gradient(90deg, #ff6a3d, #c2489a 50%, #6250d6); -webkit-background-clip: text; background-clip: text; color: transparent !important; }
/* reading order grid */
.ro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 26px; margin-top: 6px; }
.ro-cell { font-size: 15px; letter-spacing: .02em; padding: 6px 8px; border-radius: 5px; position: relative; transition: background .3s, color .3s; }
.ro-cell .ord { position: absolute; top: -6px; right: -6px; width: 19px; height: 19px; border-radius: 50%; font: 700 10.5px/19px var(--mono); text-align: center; color: #fff; background: var(--read); opacity: 0; transform: scale(.5); transition: all .3s cubic-bezier(.3,1.6,.5,1); }
.ro-cell.lit { background: rgba(208, 52, 44, .1); }
.ro-cell.lit .ord { opacity: 1; transform: none; }
.ro-cell.lit.geo { background: rgba(10, 111, 214, .1); }
.ro-cell.lit.geo .ord { background: var(--see); }
.tok { display: inline-block; animation: tokin .35s cubic-bezier(.2,.8,.2,1); }
@keyframes tokin { from { opacity: 0; transform: translateY(6px); } }
/* font decoding */
.glyph-row { display: flex; gap: 10px; justify-content: center; margin: 4px 0 10px; }
.glyph { width: 54px; text-align: center; font-size: 11.5px; font-family: var(--mono); color: var(--muted); }
.glyph b { display: block; font: 400 38px/1.15 "Comic Sans MS", "Chalkboard SE", "Marker Felt", var(--sans); color: #111; }
.pairs { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.pair { border-radius: 8px; border: 1px solid #f1d6d1; background: #fff; padding: 6px 8px; text-align: center; font: 12px/1.5 var(--mono); color: var(--muted); min-width: 64px; opacity: .25; transition: opacity .35s, transform .35s; transform: translateY(4px); }
.pair.on { opacity: 1; transform: none; }
.pair b { display: block; font: 600 26px/1.25 var(--sans); color: var(--read); }

/* ---------- 04 explorer ---------- */
.explorer { display: grid; grid-template-columns: 330px 1fr; gap: 22px; align-items: start; }
.eg-legend { display: flex; flex-direction: column; gap: 14px; }
.eg-fam .kicker { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.eg-fam .kicker i { width: 10px; height: 10px; border-radius: 3px; display: block; }
.eg-tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.eg-tile { aspect-ratio: 1.25; border-radius: 8px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font: 600 12.5px/1 var(--mono); color: var(--ink2); position: relative; transition: transform .15s, border-color .15s, background .15s; padding: 0; }
.eg-tile:hover { transform: translateY(-2px); border-color: #b9ad97; }
.eg-tile[aria-pressed="true"] { background: var(--dark); color: #fff; border-color: var(--dark); }
.eg-tile .bar { position: absolute; left: 6px; right: 6px; bottom: 5px; height: 3px; border-radius: 2px; }
.eg-detail { padding: 22px 24px 24px; min-width: 0; }
.eg-detail .hd { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.eg-detail .hd b { font: 700 24px/1.1 var(--mono); }
.eg-detail .hd .fam { font-size: 13px; font-weight: 600; padding: 3px 9px; border-radius: 6px; color: #fff; }
.eg-detail .construct { font-size: 17px; font-weight: 600; margin: 8px 0 4px; }
.eg-detail .conflict { font-size: 14.5px; color: var(--ink2); margin: 0 0 18px; }
.eg-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 18px; align-items: start; }
.eg-render { background: #e4e1dc; border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.eg-render img { background: #fff; border-radius: 4px; box-shadow: 0 1px 4px rgba(0,0,0,.15); width: 100%; height: auto; max-height: 230px; object-fit: contain; object-position: left top; }
.eg-render small { font-size: 12px; color: var(--muted); }
.eg-outs { display: flex; flex-direction: column; gap: 4px; }
.eg-out { display: grid; grid-template-columns: 112px 1fr; gap: 10px; align-items: baseline; font-size: 13px; padding: 5px 8px; border-radius: 6px; }
.eg-out:nth-child(odd) { background: rgba(0,0,0,.025); }
.eg-out .who { display: flex; align-items: center; gap: 7px; color: var(--ink2); font-weight: 500; }
.eg-out .txt { font: 12.5px/1.5 var(--mono); color: #3c3631; white-space: pre-wrap; word-break: break-word; max-height: 4.5em; overflow: hidden; }
.eg-out .txt.empty { color: #aaa; font-style: italic; font-family: var(--sans); }
.dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; flex: none; }
.dot.x { background: var(--read); } .dot.o { background: var(--ok); } .dot.n { background: #b9b3a8; }
.eg-pipes { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--ink2); align-items: center; }
.eg-pipes span { display: inline-flex; align-items: center; gap: 6px; }
.legend-row { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.legend-row span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 05 cases ---------- */
.case-nav { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.case-nav .count { font: 600 13px var(--mono); color: var(--muted); }
.case-nav .count b { color: var(--ink); font-size: 17px; }
.case-dots { display: flex; gap: 6px; }
.case-dots button { border: 1px solid var(--line); background: var(--card); border-radius: 8px; padding: 7px 12px; font-size: 13.5px; cursor: pointer; color: var(--ink2); }
.case-dots button[aria-selected="true"] { background: var(--dark); color: #fff; border-color: var(--dark); }
.arrow { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); cursor: pointer; display: grid; place-items: center; font-size: 16px; color: var(--ink2); margin-left: auto; }
.arrow + .arrow { margin-left: 0; }
.case { padding: 24px; }
.case[hidden] { display: none; }
.case-hd { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 18px; }
.case-hd h3 { font-size: 23px; margin: 6px 0 6px; }
.case-hd p { margin: 0; color: var(--ink2); max-width: 700px; font-size: 15.5px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font: 600 11.5px/1 var(--mono); padding: 5px 8px; border-radius: 6px; background: var(--bg2); color: var(--ink2); }
.case-body { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 20px; align-items: start; }
.doc-view { background: #e4e1dc; border-radius: 12px; padding: 14px; }
.doc-view .lbl, .model-view .lbl { font: 600 11px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; margin-bottom: 10px; display: block; }
.doc-view .lbl { color: var(--see); }
.doc-view img { width: 100%; height: auto; border-radius: 4px; box-shadow: 0 1px 5px rgba(0,0,0,.16); background: #fff; }
.doc-view .note { font-size: 13px; color: var(--ink2); margin-top: 10px; }
.model-view .lbl { color: var(--read); }
.vid-tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.vid-tabs button { border: 1px solid var(--line); background: var(--card); padding: 6px 12px; border-radius: 8px; font-size: 13.5px; cursor: pointer; color: var(--ink2); }
.vid-tabs button small { font: 500 11px var(--mono); color: var(--muted); margin-left: 4px; }
.vid-tabs button[aria-pressed="true"] { border-color: var(--read); color: var(--ink); box-shadow: inset 0 0 0 1px var(--read); }
.vid-frame { background: #000; border-radius: 12px; overflow: hidden; position: relative; aspect-ratio: 1280 / 748; }
.vid-frame video { width: 100%; height: 100%; object-fit: contain; }
.vid-cap { margin-top: 10px; font-size: 14px; color: var(--ink2); }
.vid-cap q { font-style: italic; }
.qa { display: flex; flex-direction: column; gap: 10px; }
.qa .prompt { background: var(--dark2); color: #d6dbe1; border-radius: 10px; padding: 12px 14px; font: 12.5px/1.6 var(--mono); white-space: pre-wrap; }
.qa .prompt .c { color: #7d8590; }
.ans { display: grid; grid-template-columns: 150px 1fr auto; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); }
.ans .who { font-weight: 600; font-size: 14px; }
.ans .who small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.ans .said { font: 600 18px/1.3 var(--mono); }
.ans .rate { font: 600 12.5px/1 var(--mono); padding: 6px 8px; border-radius: 6px; white-space: nowrap; }
.ans.fooled .said { color: var(--read); }
.ans.fooled .rate { background: #fbe4e1; color: #a3261f; }
.ans.held .said { color: var(--ok); }
.ans.held .rate { background: #dff1e6; color: #1b6b40; }
.qa .foot { font-size: 13.5px; color: var(--muted); }

/* ---------- 06 results ---------- */
.res-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 18px; }
.chart { padding: 22px 24px 20px; min-width: 0; }
.chart h3 { font-size: 18px; margin: 0 0 4px; }
.chart .sub { font-size: 13.5px; color: var(--muted); margin: 0 0 16px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12.5px; color: var(--ink2); margin-bottom: 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: block; }
.hbar { display: grid; grid-template-columns: 96px 1fr 34px; gap: 10px; align-items: center; height: 30px; }
.hbar .nm { font-size: 13.5px; color: var(--ink2); text-align: right; white-space: nowrap; }
.hbar .track { height: 18px; display: flex; gap: 2px; position: relative; }
.hbar .track::before { content: ""; position: absolute; inset: 0; right: 0; background: repeating-linear-gradient(90deg, transparent 0 calc(100% / 25 - 1px), rgba(0,0,0,.05) calc(100% / 25 - 1px) calc(100% / 25)); border-radius: 4px; }
.hbar .seg-b { height: 100%; position: relative; transition: filter .15s, width .9s cubic-bezier(.2,.8,.2,1); cursor: default; }
.hbar .seg-b:first-child { border-radius: 4px 0 0 4px; }
.hbar .seg-b:last-child { border-radius: 0 4px 4px 0; }
.hbar .seg-b:hover { filter: brightness(1.12); }
.hbar .tot { font: 700 14px var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.axis { display: grid; grid-template-columns: 96px 1fr 34px; gap: 10px; margin-top: 4px; }
.axis div { display: flex; justify-content: space-between; font: 11px var(--mono); color: var(--muted); }
.tooltip { position: fixed; z-index: 60; pointer-events: none; background: var(--dark); color: #f3f3f3; font-size: 12.5px; line-height: 1.45; padding: 8px 10px; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.25); opacity: 0; transition: opacity .12s; max-width: 260px; }
.tooltip b { color: #fff; }
.tooltip.on { opacity: 1; }
.dumb { display: grid; grid-template-columns: 96px 1fr 70px; gap: 10px; align-items: center; height: 32px; }
.dumb .nm { font-size: 13.5px; color: var(--ink2); text-align: right; white-space: nowrap; }
.dumb .line { position: relative; height: 18px; }
.dumb .line::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--line); }
.dumb .conn { position: absolute; top: calc(50% - 1px); height: 2px; background: #b9b0a0; }
.dumb .pt { position: absolute; top: 50%; width: 12px; height: 12px; border-radius: 50%; transform: translate(-50%, -50%); border: 2px solid var(--card); }
.dumb .pt.api { background: var(--dark); }
.dumb .pt.web { background: var(--see); }
.dumb .delta { font: 600 12.5px var(--mono); text-align: left; white-space: nowrap; }
.doors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.door { padding: 18px 18px 16px; }
.door .kicker { margin-bottom: 10px; }
.door .big { font: 800 26px/1.1 var(--sans); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.door .big .arr { color: var(--muted); font-weight: 400; margin: 0 4px; }
.door p { font-size: 13.5px; color: var(--ink2); margin: 8px 0 0; }
.door .mini { font: 500 11.5px/1.4 var(--mono); color: var(--muted); margin-top: 2px; }
.door ul { list-style: none; padding: 0; margin: 4px 0 0; font-size: 13.5px; }
.door li { display: flex; justify-content: space-between; padding: 3px 0; border-bottom: 1px dashed var(--line); }
.door li:last-child { border-bottom: 0; }
.door li b { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- 07 fingerprint ---------- */
.fp { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 18px; align-items: start; }
.probe { padding: 18px 20px; }
.probe + .probe { margin-top: 12px; }
.probe .hd { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.probe .vis { font: 15px var(--sans); }
.probe .vis code { font-size: 14px; }
.loader-pick { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.loader-pick button { border: 1px solid var(--line); background: var(--card); padding: 7px 11px; border-radius: 8px; font: 500 13px var(--mono); cursor: pointer; color: var(--ink2); }
.loader-pick button[aria-pressed="true"] { background: var(--dark); color: #fff; border-color: var(--dark); }
.sig { background: var(--dark2); border-radius: 12px; padding: 16px 18px; color: #d6dbe1; font: 14px/1.7 var(--mono); }
.sig .row { display: grid; grid-template-columns: 70px 1fr; gap: 10px; }
.sig .row span:first-child { color: #7d8590; }
.sig .val { color: #ffa198; min-height: 1.7em; overflow-wrap: anywhere; }
.sig-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 13px; }
.sig-table th { text-align: left; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--line); }
.sig-table td { padding: 6px 8px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 12.5px; transition: background .25s; overflow-wrap: anywhere; }
.sig-table td:first-child { font-family: var(--sans); font-weight: 500; font-size: 13px; }
.sig-table tr.hit td { background: #fbe9e4; }

/* ---------- 09 cite ---------- */
.cite-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; align-items: start; }
.bib { position: relative; background: var(--dark2); color: #d6dbe1; border-radius: 14px; padding: 20px 22px; font: 13px/1.7 var(--mono); white-space: pre; overflow-x: auto; }
.bib button { position: absolute; top: 12px; right: 12px; border: 1px solid #3a3d45; background: #262931; color: #ddd; padding: 5px 10px; border-radius: 7px; font-size: 12px; cursor: pointer; font-family: var(--sans); }
.res-links { padding: 20px 22px; }
.res-links a { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-weight: 500; }
.res-links a:last-of-type { border-bottom: 0; }
.res-links a span { color: var(--muted); font-size: 13px; font-weight: 400; }
.disclosure { margin-top: 18px; padding: 18px 22px; font-size: 14.5px; color: var(--ink2); }
.disclosure b { color: var(--ink); }
footer { padding: 70px 0 120px; text-align: center; font-size: 13px; color: var(--muted); }

/* ---------- dock nav ---------- */
.dock { position: fixed; left: 50%; bottom: 16px; transform: translate(-50%, 140%); z-index: 50; display: flex; gap: 2px; background: rgba(20, 21, 24, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 5px; border-radius: 999px; box-shadow: 0 10px 30px rgba(0,0,0,.25); transition: transform .45s cubic-bezier(.2,.8,.2,1); max-width: calc(100vw - 24px); overflow-x: auto; scrollbar-width: none; }
.dock::-webkit-scrollbar { display: none; }
.dock.show { transform: translate(-50%, 0); }
.dock a { font: 500 12.5px/1 var(--mono); color: #b8b8be; text-decoration: none; padding: 9px 13px; border-radius: 999px; white-space: nowrap; transition: color .2s, background .2s; }
.dock a:hover { color: #fff; }
.dock a.on { color: #fff; background: rgba(208, 52, 44, .9); }

/* ---------- reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.rv.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .glance, .explorer, .res-grid, .fp, .cite-grid, .case-body { grid-template-columns: 1fr; }
  .doors { grid-template-columns: repeat(2, 1fr); }
    .eg-tiles { grid-template-columns: repeat(9, 1fr); }
}
@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 16px; }
  .masthead { padding: 52px 0 120px; }
  .hero { margin-top: -96px; }
  .sec { padding-top: 76px; }
  .lead { font-size: 16.5px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat b { font-size: 32px; }
  .findings { grid-template-columns: 1fr; }
  .tri { grid-template-columns: 1fr; }
  .eg-tiles { grid-template-columns: repeat(5, 1fr); }
  .eg-grid { grid-template-columns: 1fr; }
  .eg-out { grid-template-columns: 96px 1fr; }
  .eg-out .txt { font-size: 11.5px; overflow-wrap: anywhere; }
  .doors { grid-template-columns: 1fr; }
  .ans { grid-template-columns: 1fr auto; }
  .ans .who { grid-column: 1 / -1; }
  .hbar, .axis { grid-template-columns: 74px 1fr 30px; }
  .dumb { grid-template-columns: 74px 1fr 56px; }
  .case { padding: 18px 16px; }
  .fam-panel { padding: 16px; }
  .bib { font-size: 11.5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .paths .flow { animation: none; }
}