/* ============================================================
   HouseCorr3D · Morpheus — project page
   Aesthetic: 3D-vision instrument. Near-black, hairline glass,
   tetrahedral wireframe motif, cyan→magenta correspondence beam.
   ============================================================ */

:root {
  /* — surfaces — */
  --bg:        #ffffff;
  --bg-2:      #f5f7fa;
  --panel:     #f7f9fc;
  --panel-2:   #eef2f8;
  --glass:     rgba(255, 255, 255, .7);
  --line:      #e4e9f0;
  --line-2:    #cdd5e2;

  /* — ink — */
  --ink:       #0c1320;
  --ink-dim:   #4a566b;
  --ink-faint: #8a94a6;

  /* — accents (deepened for contrast on a white ground) — */
  --cyan:      #0fb2a7;
  --cyan-deep: #0a857d;
  --magenta:   #e5337f;
  --magenta-d: #c41f68;
  --amber:     #d98a1a;
  --violet:    #7c6af0;

  --beam: linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--magenta));
  --beam-warm: linear-gradient(90deg, var(--amber), var(--magenta));

  /* — type — */
  --display: "Bricolage Grotesque", "Hanken Grotesk", sans-serif;
  --body:    "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* — geometry — */
  --r:    16px;
  --r-sm: 10px;
  --maxw: 1160px;
  --pad:  clamp(20px, 5vw, 64px);

  --shadow: 0 20px 50px -28px rgba(15,23,42,.25);
  --ring: 0 0 0 1px var(--line);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Atmosphere ---------- */
#mesh-canvas {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: .9;
}
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(15,178,167,.07), transparent 55%),
    radial-gradient(90% 70% at 100% 0%, rgba(229,51,127,.05), transparent 50%),
    radial-gradient(140% 120% at 50% 120%, rgba(245,247,250,.9), transparent 60%);
}
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, .nav, .footer { position: relative; z-index: 2; }

/* ---------- Selection ---------- */
::selection { background: rgba(15,178,167,.22); color: #06120f; }

/* ---------- Links / buttons ---------- */
a { color: inherit; text-decoration: none; }

.btn {
  --bh: 42px;
  display: inline-flex; align-items: center; gap: .5em;
  height: var(--bh); padding: 0 18px;
  border-radius: 999px;
  font-family: var(--mono); font-size: .82rem; font-weight: 500;
  letter-spacing: .02em;
  border: 1px solid var(--line-2);
  color: var(--ink);
  background: var(--panel);
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); border-color: var(--cyan); box-shadow: 0 10px 30px -16px rgba(15,178,167,.45); }
.btn__ic { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
/* Multi-color brand logos: keep each path's own fill, drop the stroke outline */
.btn__ic--logo { width: 18px; height: 18px; stroke: none; }
.btn__ic--logo path { stroke: none; }
/* Monochrome brand logos: solid fill in the current text color */
.btn__ic--mono { fill: currentColor; stroke: none; }
.btn--solid {
  border-color: transparent;
  background: linear-gradient(180deg, #1a2536, #0d1420);
  box-shadow: inset 0 0 0 1px rgba(15,178,167,.45), 0 12px 30px -18px rgba(12,19,32,.45);
  color: #eafffd;
}
.btn--solid:hover { box-shadow: inset 0 0 0 1px var(--cyan), 0 14px 34px -16px rgba(15,178,167,.5); }
.btn--ghost { background: transparent; }
.btn--mini { --bh: 32px; padding: 0 12px; font-size: .72rem; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  padding: 12px var(--pad);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.34));
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.is-stuck { border-color: var(--line); background: rgba(255,255,255,.9); }
.nav__brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; }
.nav__mark { width: 26px; height: 26px; fill: none; stroke: var(--ink-dim); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.nav__mark .mk-stem { stroke: var(--ink-faint); stroke-width: 1; opacity: .6; }
.nav__mark .mk-link { stroke-width: 2.35; }
.nav__mark .mk-link-a { stroke: var(--cyan); }
.nav__mark .mk-link-b { stroke: var(--magenta); }
.nav__mark .mk-a { fill: var(--cyan); stroke: none; }
.nav__mark .mk-b { fill: var(--magenta); stroke: none; }
.nav__word { font-size: 1.06rem; letter-spacing: -.01em; }
.nav__sup { font-size: .62em; color: var(--cyan); vertical-align: super; font-family: var(--mono); }
.nav__links { display: flex; gap: 22px; margin-left: auto; font-family: var(--mono); font-size: .8rem; }
.nav__links a { color: var(--ink-dim); position: relative; padding: 4px 0; transition: color .2s ease; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1.5px;
  background: var(--beam); transition: right .25s ease;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav__links a:hover::after, .nav__links a.is-active::after { right: 0; }
.nav__actions { display: flex; gap: 10px; }
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav { gap: 12px; }
  .nav__brand { margin-right: auto; }
}
@media (max-width: 520px) { .nav__actions .btn--ghost { display: none; } }

/* ---------- Layout primitives ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(64px, 9vw, 130px) var(--pad); }
.section--alt { position: relative; }
.section--alt::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, transparent, rgba(18,26,42,.045) 12%, rgba(18,26,42,.045) 88%, transparent);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.section__head { display: flex; gap: 22px; align-items: flex-start; margin-bottom: clamp(32px, 5vw, 56px); }
.section__idx {
  font-family: var(--mono); font-size: .82rem; color: var(--cyan);
  border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 10px;
  margin-top: 6px; flex: none;
}
.section__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.05; margin: 0; letter-spacing: -.02em; }
.section__sub { color: var(--ink-dim); margin: 10px 0 0; font-size: clamp(1rem, 2vw, 1.12rem); }

.mini-h { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-dim); margin: 0 0 16px; }

/* ---------- Accent text ---------- */
.grad { background: var(--beam); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-warm { background: var(--beam-warm); -webkit-background-clip: text; background-clip: text; color: transparent; }
.outline {
  color: transparent; -webkit-text-stroke: 1px var(--ink-dim);
  text-stroke: 1px var(--ink-dim);
}
.m { font-family: var(--mono); font-size: .94em; color: #243154; white-space: nowrap; }
.m sub, .m sup { font-size: .7em; }

/* ---------- HERO ---------- */
.hero { max-width: var(--maxw); margin: 0 auto; padding: clamp(48px, 9vw, 110px) var(--pad) clamp(24px, 4vw, 48px); }
.hero__inner { max-width: 920px; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-dim); border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 14px;
  background: var(--glass); backdrop-filter: blur(6px);
}
.kicker__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.hero__title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 26px 0 0;
  text-wrap: balance;
  overflow-wrap: break-word;
}
.hero__lede { font-size: clamp(1.05rem, 2.3vw, 1.32rem); color: var(--ink-dim); max-width: 60ch; margin: 24px 0 0; }
.hero__lede strong { color: var(--ink); }
.hero__lede em { color: var(--cyan); font-style: normal; }

.authors { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 22px; padding: 0; margin: 30px 0 8px; font-size: 1.04rem; }
.authors a { font-weight: 600; border-bottom: 1px solid transparent; transition: border-color .2s, color .2s; }
.authors a:hover { color: var(--cyan); border-color: var(--cyan); }
.aff { font-family: var(--mono); font-size: .58em; color: var(--ink-dim); vertical-align: super; margin-left: 1px; }
.affil { color: var(--ink-faint); font-size: .92rem; margin: 6px 0 0; line-height: 1.7; }
.affil sup { color: var(--ink-dim); }
.affil__sep { margin: 0 8px; opacity: .5; }
.affil__note { font-family: var(--mono); font-size: .8rem; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 34px 0 0; }

/* ---------- Figures / placeholders ---------- */
.fig { margin: clamp(32px, 5vw, 56px) 0 0; }
.fig--teaser { margin-top: clamp(40px, 6vw, 72px); }
.fig--qualitative { margin-bottom: clamp(36px, 6vw, 80px); }
.fig--qualitative + .results-bottom { margin-top: clamp(36px, 6vw, 80px); }
/* White matte behind every figure (consistent diagram framing) */
.fig__img { width: 100%; height: auto; display: block; border-radius: var(--r); border: 1px solid var(--line); background: #fff; padding: clamp(12px, 2vw, 24px); }
.fig__slot, .compare__slot {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 8px;
  min-height: clamp(200px, 34vw, 360px);
  border-radius: var(--r);
  border: 1.5px dashed var(--line-2);
  background:
    repeating-linear-gradient(45deg, rgba(53,224,212,.03) 0 12px, transparent 12px 24px),
    var(--panel);
  color: var(--ink-dim);
  padding: 28px;
}
.fig__slot-tag { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; color: var(--cyan); }
.fig__slot-name { font-size: .98rem; color: var(--ink); }
.fig__slot-name code, .fig__slot-sub code, .demo__note code, .figcaption code { font-family: var(--mono); font-size: .86em; background: rgba(15,178,167,.12); padding: 1px 6px; border-radius: 5px; color: var(--cyan-deep); }
.fig__slot-sub { font-size: .85rem; color: var(--ink-faint); max-width: 46ch; }
figcaption { margin-top: 14px; font-size: .9rem; color: var(--ink-dim); }
.figcaption__lab { font-family: var(--mono); color: var(--cyan); font-size: .8rem; margin-right: 8px; }

/* ---------- OVERVIEW strip ---------- */
.strip { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad) clamp(40px, 6vw, 80px); }
.strip__tldr {
  display: flex; gap: 18px; align-items: flex-start;
  border: 1px solid var(--line); border-left: 3px solid var(--cyan);
  border-radius: var(--r); background: var(--glass); backdrop-filter: blur(8px);
  padding: 22px 24px; margin-bottom: 36px;
}
.strip__tldr p { margin: 0; font-size: 1.06rem; color: var(--ink-dim); }
.strip__tldr strong { color: var(--ink); }
.strip__tldr em { color: var(--magenta); font-style: normal; }
.tag {
  flex: none; font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
  color: #04110f; background: var(--cyan); padding: 4px 9px; border-radius: 6px; font-weight: 700; margin-top: 3px;
}

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 0; }
.stat {
  border: 1px solid var(--line); border-radius: var(--r); padding: 24px 22px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  position: relative; overflow: hidden;
}
.stat::after { content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 100%; background: var(--beam); opacity: .5; }
.stat__num { font-family: var(--display); font-weight: 800; font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1; margin: 0; letter-spacing: -.02em; }
.stat__num span { background: linear-gradient(180deg, #0c1320, #3a4860); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__lab { font-family: var(--mono); font-size: .76rem; color: var(--ink-dim); margin: 10px 0 0; letter-spacing: .02em; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

.abstract { margin-top: 28px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); overflow: hidden; }
.abstract summary { cursor: pointer; list-style: none; padding: 16px 22px; font-family: var(--mono); font-size: .85rem; color: var(--ink-dim); display: flex; align-items: center; gap: 12px; user-select: none; }
.abstract summary::-webkit-details-marker { display: none; }
.abstract__chev { width: 9px; height: 9px; border-right: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan); transform: rotate(45deg); transition: transform .25s ease; }
.abstract[open] .abstract__chev { transform: rotate(-135deg); }
.abstract p { margin: 0; padding: 0 24px 24px; color: var(--ink-dim); }
.abstract em, .abstract strong { color: var(--ink); font-style: normal; }

/* ---------- TASK ---------- */
.task-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 4vw, 48px); align-items: start; }
@media (max-width: 900px) { .task-grid { grid-template-columns: 1fr; } }
.prose p { color: var(--ink-dim); font-size: 1.06rem; margin: 0 0 16px; }
.prose strong { color: var(--ink); }
.prose em { color: var(--cyan); font-style: normal; }
.prose--wide { max-width: 80ch; }

.def { margin: 24px 0 0; border: 1px solid var(--line-2); border-radius: var(--r); background: var(--panel); padding: 22px 24px; }
.def__cap { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--magenta); margin-bottom: 12px; }
.def__body { margin: 0; color: var(--ink); font-size: 1rem; }
.def__map { margin: 18px 0 0; padding-top: 16px; border-top: 1px dashed var(--line-2); text-align: center; }
.def__map .m { font-size: 1.16rem; color: var(--cyan); }

.why { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.why__item { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 18px 20px; background: var(--panel); transition: border-color .2s, transform .2s; }
.why__item:hover { transform: translateX(4px); border-color: var(--line-2); }
.why__ic { font-size: 1.3rem; line-height: 1; display: inline-block; margin-bottom: 8px; }
.why__ic[data-accent="cyan"] { color: var(--cyan); }
.why__ic[data-accent="amber"] { color: var(--amber); }
.why__ic[data-accent="magenta"] { color: var(--magenta); }
.why__item h3 { margin: 0 0 4px; font-size: 1.05rem; font-family: var(--display); }
.why__item p { margin: 0; color: var(--ink-dim); font-size: .95rem; }
.why__item em { color: var(--ink); font-style: normal; }

/* ---------- DEMO ---------- */
.demo {
  margin-top: clamp(40px, 6vw, 64px);
  border: 1px solid var(--line-2); border-radius: var(--r);
  background: linear-gradient(180deg, var(--panel-2), var(--bg-2));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.demo__bar { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); background: rgba(18,26,42,.045); }
.demo__title { font-family: var(--display); font-weight: 700; font-size: 1.02rem; display: flex; align-items: center; gap: 10px; }
.demo__live { font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; color: var(--magenta); border: 1px solid var(--magenta-d); border-radius: 5px; padding: 3px 6px; animation: pulse 2.6s ease-in-out infinite; }
.demo__controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.seg { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .1em; }
.select {
  font-family: var(--mono); font-size: .8rem; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 10px; cursor: pointer;
}
.select:focus-visible { outline: 2px solid var(--cyan); outline-offset: 1px; }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .76rem; color: var(--ink-dim); background: none; border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 12px; cursor: pointer; transition: border-color .2s, color .2s; }
.toggle__box { width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--line-2); position: relative; transition: all .2s; }
.toggle[aria-pressed="true"] { color: var(--amber); border-color: var(--amber); }
.toggle[aria-pressed="true"] .toggle__box { background: var(--amber); border-color: var(--amber); }
.toggle[aria-pressed="true"] .toggle__box::after { content: "✓"; position: absolute; inset: 0; color: #1a1206; font-size: 10px; line-height: 12px; text-align: center; font-weight: 700; }

.demo__stage { position: relative; padding: 8px; }
#demo-svg { width: 100%; height: auto; display: block; touch-action: manipulation; }
.demo__panels { position: absolute; top: 18px; left: 0; right: 0; display: flex; justify-content: space-between; padding: 0 6%; font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); letter-spacing: .06em; }
.demo__panels sup { font-size: .8em; }

.demo__hint { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: space-between; align-items: baseline; padding: 12px 18px 18px; margin: 0; font-size: .92rem; color: var(--ink-dim); border-top: 1px solid var(--line); }
.demo__hint strong { color: var(--ink); }
#demo-readout b { color: var(--cyan); }
.demo__note { font-family: var(--mono); font-size: .74rem; color: var(--ink-faint); }

/* SVG demo element styles */
.kp { cursor: pointer; transition: r .15s ease; }
.kp__hit { fill: transparent; cursor: pointer; }
.kp__dot { stroke: #06080d; stroke-width: 1.5; transition: filter .2s ease; }
.kp.is-amodal .kp__dot { stroke-dasharray: 2 2; opacity: .55; }
.kp:hover .kp__dot, .kp.is-sel .kp__dot { filter: drop-shadow(0 0 6px currentColor); }
.kp.is-sel .kp__dot { r: 9; }
.kp__ring { fill: none; stroke: currentColor; opacity: 0; transform-origin: center; }
.kp.is-sel .kp__ring { opacity: .9; animation: kpring 1.6s ease-out infinite; }
@keyframes kpring { 0% { r: 8; opacity: .8; } 100% { r: 20px; opacity: 0; } }
.obj-shape { fill: rgba(18,26,42,.04); stroke: var(--line-2); stroke-width: 1.5; }
.obj-wire { fill: none; stroke: rgba(124,106,240,.3); stroke-width: .75; }
.corr-line { stroke-width: 2.4; fill: none; stroke-linecap: round; filter: drop-shadow(0 0 5px rgba(53,224,212,.5)); }
.kp-label { font-family: var(--mono); font-size: 11px; fill: var(--ink); pointer-events: none; }
.kp-label__bg { fill: rgba(255,255,255,.9); stroke: var(--line-2); }

/* ---------- BENCHMARK ---------- */
.bench-intro { margin-bottom: 36px; }
.cats { display: flex; flex-wrap: wrap; gap: 14px 28px; margin: 0 0 clamp(32px,5vw,48px); }
.cats__fam { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.cats__lab { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); margin-right: 4px; }
.chip {
  font-family: var(--mono); font-size: .8rem; color: var(--ink);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 13px;
  background: var(--panel); transition: transform .18s, border-color .18s, color .18s;
}
.chip:hover { transform: translateY(-2px); border-color: var(--cyan); color: var(--cyan); }
.chip--more { color: var(--magenta); border-color: var(--magenta-d); border-style: dashed; }

.features { list-style: none; padding: 0; margin: clamp(32px,5vw,48px) 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .features { grid-template-columns: 1fr; } }
.feature { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 20px; background: var(--panel); position: relative; }
.feature h3 { margin: 0 0 8px; font-size: 1rem; font-family: var(--display); display: flex; align-items: center; gap: 10px; }
.feature__k { font-family: var(--mono); font-size: .8rem; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 7px; color: #04110f; background: var(--cyan); font-weight: 700; flex: none; }
.feature:nth-child(2) .feature__k { background: var(--amber); }
.feature:nth-child(3) .feature__k { background: var(--violet); color: #0a0814; }
.feature:nth-child(4) .feature__k { background: var(--magenta); color: #1a0410; }
.feature p { margin: 0; color: var(--ink-dim); font-size: .92rem; }

/* ---------- TABLES ---------- */
.tablewrap { margin: clamp(32px,5vw,52px) 0; }
.tablewrap__head { margin-bottom: 16px; }
.tablewrap__head h3 { margin: 0 0 4px; font-family: var(--display); font-size: 1.15rem; }
.tablewrap__head p { margin: 0; color: var(--ink-dim); font-size: .92rem; }
.tablewrap__unit { font-family: var(--mono); font-size: .78rem; color: var(--ink-faint); font-weight: 400; }
.tablescroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); -webkit-overflow-scrolling: touch; }
.tbl { width: 100%; border-collapse: collapse; min-width: 540px; }
.tbl th, .tbl td { padding: 13px 16px; text-align: center; font-size: .9rem; border-bottom: 1px solid var(--line); }
.tbl thead th { font-family: var(--mono); font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-dim); background: #eef2f8; font-weight: 500; position: sticky; top: 0; }
.tbl tbody th[scope="row"] { text-align: left; font-weight: 600; color: var(--ink); white-space: nowrap; }
.tbl td { font-family: var(--mono); color: var(--ink-dim); }
.tbl tbody tr:last-child th, .tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: rgba(53,224,212,.04); }
.tbl .ok { color: var(--cyan); font-weight: 700; }
.tbl .x { color: var(--ink-faint); }
.tbl .na { color: var(--ink-faint); font-style: italic; }
.tbl .muted { color: var(--ink-faint); font-weight: 400; font-family: var(--body); }
.tbl__hl { background: linear-gradient(90deg, rgba(53,224,212,.10), rgba(255,77,151,.08)) !important; }
.tbl__hl th[scope="row"], .tbl__hl td { color: var(--ink); border-bottom: none; }
.tbl__hl b { color: var(--cyan); }
.ours { font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: #04110f; background: var(--cyan); padding: 2px 6px; border-radius: 5px; margin-left: 8px; vertical-align: middle; }
.dag { color: var(--amber); font-size: .8em; }
.tbl--results tbody tr:last-child { box-shadow: inset 0 0 0 1px rgba(53,224,212,.3); }

/* ---------- Bench bottom (protocol + metric) ---------- */
.bench-bottom { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; margin-top: clamp(24px,4vw,40px); }
@media (max-width: 820px) { .bench-bottom { grid-template-columns: 1fr; } }
.protocol, .metric { border: 1px solid var(--line); border-radius: var(--r); padding: 26px; background: var(--panel); }
.timeline { list-style: none; counter-reset: t; margin: 0; padding: 0; }
.timeline li { position: relative; padding: 0 0 18px 30px; color: var(--ink-dim); font-size: .94rem; border-left: 1px solid var(--line-2); margin-left: 8px; }
.timeline li:last-child { padding-bottom: 0; border-left-color: transparent; }
.timeline li::before { counter-increment: t; content: counter(t); position: absolute; left: -13px; top: -2px; width: 24px; height: 24px; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--cyan); color: var(--cyan); font-family: var(--mono); font-size: .72rem; display: grid; place-items: center; }
.timeline__t { color: var(--ink); font-weight: 600; }
.metric__name { font-family: var(--display); font-weight: 800; font-size: 2rem; margin: 0; background: var(--beam); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric__formula { margin: 10px 0; padding: 12px; border: 1px dashed var(--line-2); border-radius: 10px; text-align: center; }
.metric__formula .m { color: var(--ink); font-size: .95rem; }
.metric__exp { margin: 0; color: var(--ink-dim); font-size: .92rem; }
.metric__exp strong { color: var(--ink); }

/* ---------- METHOD ---------- */
.transfer { display: flex; flex-wrap: wrap; align-items: stretch; gap: 10px; margin: clamp(32px,5vw,48px) 0; }
.transfer__step { flex: 1 1 160px; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 18px; background: var(--panel); position: relative; }
.transfer__step--key { border-color: var(--cyan); box-shadow: inset 0 0 0 1px rgba(53,224,212,.25); }
.transfer__n { font-family: var(--mono); font-size: .72rem; color: var(--cyan); border: 1px solid var(--line-2); border-radius: 6px; padding: 2px 7px; }
.transfer__step h4 { margin: 12px 0 4px; font-family: var(--display); font-size: 1.02rem; }
.transfer__step p { margin: 0; color: var(--ink-dim); font-size: .88rem; }
.transfer__arr { align-self: center; color: var(--ink-faint); font-family: var(--mono); }
@media (max-width: 700px) { .transfer__arr { transform: rotate(90deg); align-self: center; } .transfer { flex-direction: column; } }

.components { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: clamp(32px,5vw,48px) 0; }
@media (max-width: 820px) { .components { grid-template-columns: 1fr; } }
.comp { border: 1px solid var(--line); border-radius: var(--r); padding: 24px; background: linear-gradient(180deg, var(--panel-2), var(--panel)); position: relative; overflow: hidden; }
.comp::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--beam); }
.comp__tag { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; color: var(--cyan); }
.comp h3 { font-family: var(--display); font-size: 1.2rem; margin: 10px 0 10px; }
.comp p { margin: 0; color: var(--ink-dim); font-size: .95rem; }
.comp strong { color: var(--ink); }

.train { border: 1px solid var(--line); border-radius: var(--r); padding: clamp(22px,3vw,32px); background: var(--panel); }
.train__sub { font-family: var(--body); text-transform: none; letter-spacing: 0; color: var(--ink-faint); }
.train__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 22px; }
@media (max-width: 820px) { .train__grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px) { .train__grid { grid-template-columns: 1fr; } }
.obj { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 16px; background: var(--bg-2); }
.obj__k { font-family: var(--mono); font-size: .72rem; color: var(--cyan); border: 1px solid var(--cyan-deep); border-radius: 6px; padding: 3px 7px; flex: none; }
.obj h4 { margin: 0 0 3px; font-size: .98rem; font-family: var(--display); }
.obj p { margin: 0; color: var(--ink-dim); font-size: .86rem; }
.callout { display: flex; gap: 14px; align-items: center; border-radius: var(--r-sm); padding: 18px 22px; background: linear-gradient(90deg, rgba(255,180,84,.12), rgba(255,77,151,.08)); border: 1px solid rgba(255,180,84,.3); }
.callout__bolt { font-size: 1.4rem; flex: none; }
.callout p { margin: 0; color: var(--ink); font-size: 1rem; }
.callout strong { color: var(--amber); }
.callout em { color: var(--ink); font-style: normal; }

/* ---------- RESULTS ---------- */
.results-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; margin-top: clamp(36px, 6vw, 80px); }
@media (max-width: 820px) { .results-bottom { grid-template-columns: 1fr; } }
.tablewrap--small { margin: 0; }
.takeaways { border: 1px solid var(--line); border-radius: var(--r); padding: 26px; background: var(--panel); }
.takeaways__list { margin: 0; padding-left: 0; list-style: none; }
.takeaways__list li { position: relative; padding-left: 22px; margin-bottom: 12px; color: var(--ink-dim); font-size: .95rem; }
.takeaways__list li::before { content: "▸"; position: absolute; left: 0; color: var(--cyan); }
.takeaways__list strong { color: var(--ink); }
.limits { margin-top: 16px; border-top: 1px dashed var(--line-2); padding-top: 14px; }
.limits summary { cursor: pointer; font-family: var(--mono); font-size: .8rem; color: var(--magenta); list-style: none; }
.limits summary::-webkit-details-marker { display: none; }
.limits summary::before { content: "+ "; }
.limits[open] summary::before { content: "– "; }
.limits p { margin: 12px 0 0; color: var(--ink-dim); font-size: .9rem; }

/* ---------- Compare slider ---------- */
.compare { position: relative; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: var(--panel); user-select: none; }
.compare__pane { position: absolute; inset: 0; }
.compare__pane img { width: 100%; height: 100%; object-fit: cover; display: block; }
.compare__pane--b { clip-path: inset(0 0 0 50%); }
.compare__slot { position: static; }
.compare[data-has-images="true"] .compare__slot { display: none; }
.compare[data-has-images="true"] { min-height: clamp(220px, 38vw, 420px); }
.compare__label { position: absolute; top: 12px; font-family: var(--mono); font-size: .72rem; padding: 4px 9px; border-radius: 6px; background: rgba(255,255,255,.85); border: 1px solid var(--line-2); z-index: 3; }
.compare__label--a { left: 12px; color: var(--ink-dim); }
.compare__label--b { right: 12px; color: var(--cyan); }
.compare[data-has-images="false"] .compare__label, .compare[data-has-images="false"] .compare__range, .compare[data-has-images="false"] .compare__handle { display: none; }
.compare__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; z-index: 4; margin: 0; }
.compare__handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--beam); transform: translateX(-50%); z-index: 3; pointer-events: none; }
.compare__handle span { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 34px; height: 34px; border-radius: 50%; background: #0d1420; border: 2px solid var(--cyan); box-shadow: 0 0 18px rgba(15,178,167,.45); }
.compare__handle span::before, .compare__handle span::after { content: ""; position: absolute; top: 50%; width: 0; height: 0; border: 5px solid transparent; }
.compare__handle span::before { left: 5px; border-right-color: var(--cyan); transform: translateY(-50%); }
.compare__handle span::after { right: 5px; border-left-color: var(--cyan); transform: translateY(-50%); }

/* ---------- CITE ---------- */
.cite { position: relative; border: 1px solid var(--line-2); border-radius: var(--r); background: var(--panel-2); overflow: hidden; }
.cite__pre { margin: 0; padding: 26px 24px; overflow-x: auto; }
.cite code { font-family: var(--mono); font-size: .86rem; line-height: 1.85; color: #2a3650; }
.cite__copy { position: absolute; top: 14px; right: 14px; display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: .76rem; color: var(--ink-dim); background: var(--panel); border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 12px; cursor: pointer; transition: all .2s; }
.cite__copy svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.cite__copy:hover { color: var(--cyan); border-color: var(--cyan); }
.cite__copy.is-done { color: #04110f; background: var(--cyan); border-color: var(--cyan); }

/* ---------- FOOTER ---------- */
.footer { border-top: 1px solid var(--line); margin-top: clamp(40px,6vw,90px); padding: clamp(40px,6vw,64px) var(--pad); max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.footer__top { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; }
.footer__brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.1rem; }
.footer__brand .nav__mark { stroke: var(--ink-faint); }
.footer__links { display: flex; gap: 20px; font-family: var(--mono); font-size: .82rem; }
.footer__links a { color: var(--ink-dim); transition: color .2s; }
.footer__links a:hover { color: var(--cyan); }
.footer__affil { color: var(--ink-dim); margin: 24px 0 6px; font-size: .92rem; }
.footer__ack { color: var(--ink-faint); font-size: .82rem; max-width: 70ch; margin: 0 0 18px; line-height: 1.7; }
.footer__fine { color: var(--ink-faint); font-family: var(--mono); font-size: .74rem; margin: 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .kicker__dot, .demo__live { animation: none; }
  .kp.is-sel .kp__ring { animation: none; opacity: .5; }
}

/* ---------- Focus visibility ---------- */
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }