:root{
  --bg:#000; --bg2:#08080a;
  --surface:rgba(255,255,255,.045);
  --surface-h:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --txt:#f5f5f7; --txt-2:#c7c7cc; --dim:#86868b;
  --q:#30d158; --k:#ff9f0a; --v:#bf5af2; --orig:#8e8e93;
  --r:16px; --r-lg:22px; --max:1160px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",
    "Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;line-height:1.5;letter-spacing:.01em}
em{font-style:normal;color:#fff;font-weight:600}
b{font-weight:600}

/* ---------- hero (typography matched to feature-visualization) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;
  overflow:hidden;padding:96px 28px}
.hero-glow{position:absolute;inset:0;pointer-events:none;opacity:.9;
  background:
    radial-gradient(46vw 46vw at 22% 6%, rgba(255,159,10,.18), transparent 62%),
    radial-gradient(42vw 42vw at 86% 26%, rgba(48,209,88,.14), transparent 62%),
    radial-gradient(50vw 42vw at 60% 108%, rgba(191,90,242,.12), transparent 62%);
  filter:blur(26px)}
.hero-inner{position:relative;max-width:760px;text-align:center}
.eyebrow{font-size:12px;font-weight:590;letter-spacing:.32em;text-transform:uppercase;
  color:var(--dim);margin-bottom:26px}
.hero h1{font-size:clamp(56px,10vw,116px);line-height:.95;font-weight:700;
  letter-spacing:-.045em;margin-bottom:34px}
.hero h1 .grad{background:linear-gradient(110deg,#ff9f0a 0%,#7bd88f 52%,#30d158 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lede{font-size:clamp(17px,1.7vw,21px);color:var(--txt-2);max-width:600px;
  margin:0 auto 16px;line-height:1.62;letter-spacing:0}
.lede em{color:#fff;font-style:normal;font-weight:600}
.sub{font-size:14px;color:var(--dim);max-width:520px;margin:0 auto 40px}
.scrollcue{display:inline-flex;align-items:center;gap:8px;font-size:13px;
  color:var(--dim);text-decoration:none;letter-spacing:.02em}
.scrollcue span{display:inline-block;animation:bob 1.8s ease-in-out infinite}
.scrollcue:hover{color:var(--txt)}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ---------- stage ---------- */
.stage{max-width:var(--max);margin:0 auto;padding:8px 24px 56px}
.toolbar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 18px;margin-bottom:22px}
.tabs{display:flex;gap:6px}
.tab{border:none;background:transparent;color:var(--dim);font-family:inherit;font-size:14px;
  padding:7px 16px;border-radius:100px;cursor:pointer;transition:.2s var(--ease)}
.tab.active{background:#fff;color:#000;font-weight:600}
.tab:not(.active):hover{color:var(--txt)}
.ctl{display:flex;align-items:center;gap:10px}
.ctl .label{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.val{font-variant-numeric:tabular-nums;color:var(--txt);min-width:18px;text-align:center}
input[type=range]{-webkit-appearance:none;width:160px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,#ff9f0a,#30d158);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;
  border-radius:50%;background:#fff;cursor:pointer;box-shadow:0 1px 4px #000a}
.pills{display:flex;gap:3px;flex-wrap:wrap;max-width:340px}
.pills button{border:none;background:var(--surface-h);color:var(--txt-2);font-family:inherit;
  font-size:11px;width:24px;height:24px;border-radius:7px;cursor:pointer;transition:.15s}
.pills button.active{background:var(--q);color:#fff;font-weight:600}
.hint{margin-left:auto;font-size:13px;color:var(--dim)}

/* ---------- sample selector ---------- */
.samples{display:flex;gap:10px;overflow-x:auto;padding:2px 2px 16px;margin-bottom:6px}
.sample{flex:0 0 auto;border:1px solid var(--line);background:var(--surface);border-radius:12px;
  padding:0;cursor:pointer;overflow:hidden;width:78px;transition:.15s var(--ease);
  display:flex;flex-direction:column;align-items:center;font-family:inherit}
.sample img{width:78px;height:60px;object-fit:cover;display:block}
.sample span{font-size:11px;color:var(--txt-2);padding:5px 4px}
.sample:hover{transform:translateY(-2px)}
.sample.active{border-color:var(--k);box-shadow:0 0 0 1px var(--k)}
.sample.active span{color:var(--txt)}

/* ---------- panels ---------- */
.panels{display:flex;gap:20px;align-items:stretch;flex-wrap:wrap}
/* input image + per-query patch heatmap, beside the attention map */
.qrow{display:flex;gap:12px;margin-bottom:16px}
.qrow figure{flex:1;margin:0}
.qfig{width:100%;aspect-ratio:1/1;display:block;border-radius:8px;border:1px solid var(--line);
  object-fit:cover}
canvas#qheat{image-rendering:pixelated;background:#0d0f17}
.qrow figcaption{font-size:11px;color:var(--dim);text-align:center;margin-top:5px}
.scene-wrap{flex:1.5;min-width:340px;position:relative;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:radial-gradient(ellipse at 50% 35%,#12141d,#070809);min-height:480px}
#scene{display:block;width:100%;height:100%}
.labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.wlabel{position:absolute;transform:translate(-50%,-50%);
  background:rgba(8,9,14,.82);border:1px solid var(--line);border-radius:7px;
  padding:2px 7px;font-size:11px;font-variant-numeric:tabular-nums;color:#cfe0ff;white-space:nowrap}
.legend{position:absolute;left:0;right:0;top:12px;display:flex;gap:14px;flex-wrap:wrap;
  font-size:11px;color:var(--txt-2);align-items:center;justify-content:center}
.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:4px;vertical-align:middle}
.legend .sep{color:var(--line)}
.legend .linek{color:#8ce6a8}.legend .linev{color:#d6a8f5}

.map-wrap{flex:1;min-width:300px;display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;background:var(--bg2)}
.map-title{font-size:14px;font-weight:600;margin-bottom:12px}
.map-title .dim{font-weight:400;font-size:12px;color:var(--dim);margin-left:6px}
.map-grid{display:grid;grid-template-columns:18px 1fr;grid-template-rows:1fr 18px;
  grid-template-areas:"ay map" ". ax";gap:6px;align-items:center}
.axis-y{grid-area:ay;writing-mode:vertical-rl;transform:rotate(180deg);
  text-align:center;font-size:11px;color:var(--dim)}
.axis-x{grid-area:ax;text-align:center;font-size:11px;color:var(--dim)}
.map-canvas-box{grid-area:map;position:relative;aspect-ratio:1/1;width:100%}
#map{width:100%;height:100%;image-rendering:pixelated;border-radius:8px;
  border:1px solid var(--line);cursor:crosshair;display:block}
.cbar-wrap{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:11px;color:var(--dim)}
.cbar-cap{margin-right:2px}
.cbar-end{font-variant-numeric:tabular-nums}
#cbar{height:12px;border-radius:6px;border:1px solid var(--line);flex:0 0 auto}
.selinfo{margin-top:14px;font-size:13px;line-height:1.6}
.dim{color:var(--dim)}
.selinfo .row{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px solid var(--line)}
.selinfo .row b{color:var(--txt)}

/* ---------- section headers (editorial) ---------- */
.sec-head{margin:48px 0 72px}
.sec-top{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.sec-kicker{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--dim);white-space:nowrap}
.sec-head h2{font-size:clamp(27px,3.6vw,40px);font-weight:680;letter-spacing:-.026em;margin:0}
.sec-rule{height:1px;margin:20px 0 30px;
  background:linear-gradient(90deg,rgba(255,255,255,.55),rgba(255,255,255,.14) 58%,rgba(255,255,255,.03))}
.sec-body{display:block}
.sec-desc{font-size:15px;color:var(--txt-2);line-height:1.78;letter-spacing:.005em;margin:0}

/* ---------- layer visualization: tilted cascading deck ---------- */
.layerviz{margin-top:56px;border-top:1px solid var(--line);padding-top:56px}
.lv-scroll{overflow-x:auto;overflow-y:visible;padding:118px 16px 28px}
.lv-deck{display:flex;width:max-content;min-height:150px}
.lv-card{flex:0 0 auto;width:132px;height:132px;margin-left:-84px;border-radius:11px;overflow:hidden;
  border:1px solid var(--line);background:#0d0f17;box-shadow:-7px 9px 22px #000a;cursor:pointer;
  transform:rotate(-15deg);transform-origin:center bottom;position:relative;
  transition:transform .26s var(--ease), box-shadow .26s var(--ease)}
.lv-card:first-child{margin-left:0}
.lv-card img{width:100%;height:100%;object-fit:cover;display:block}
.lv-card.pca img{image-rendering:pixelated}
.lv-card .lv-tag{position:absolute;left:8px;top:7px;font-size:10px;font-weight:600;color:#fff;
  text-shadow:0 1px 3px #000d;font-variant-numeric:tabular-nums}
.lv-card:hover{transform:translateY(-46px) scale(1.45) rotate(0deg);z-index:60;
  box-shadow:-12px 18px 40px #000e}

.foot{display:flex;flex-direction:column;gap:7px;align-items:center;text-align:center;
  color:var(--dim);font-size:12px;padding:48px 28px 64px;
  border-top:1px solid var(--line);line-height:1.5}
.foot a{color:#8ce6a8;text-decoration:none}
.foot a:hover{text-decoration:underline}