/* FORMULA3 site styles. Plain CSS, no build step. */

:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #eef1f7;
  --text: #0f172a;
  --text-2: #334155;
  --muted: #5b6678;
  --line: #dde3ec;
  --accent: #0d7680;
  --accent-strong: #0a5c64;
  --accent-soft: #e0f3f2;
  --violet: #6d28d9;
  --focus: #6d28d9;

  /* Thrust colors, matching the project diagram */
  --t1: #2563eb; --t1-soft: #e6eefd;
  --t2: #d9480f; --t2-soft: #fdece4;
  --t3: #15803d; --t3-soft: #e5f4ea;
  --t4: #a16207; --t4-soft: #fbf3dc;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px -12px rgba(15, 23, 42, .12);
  --wrap: 1140px;
  --gutter: 24px;

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --surface: #111a2e;
    --surface-2: #17213a;
    --text: #e7ecf5;
    --text-2: #c3cbd9;
    --muted: #94a0b5;
    --line: #233049;
    --accent: #3cc9c1;
    --accent-strong: #6ee0d9;
    --accent-soft: #10302f;
    --violet: #a78bfa;
    --focus: #a78bfa;

    --t1: #6b9bff; --t1-soft: #15233f;
    --t2: #ff8a57; --t2-soft: #33201a;
    --t3: #4ade80; --t3-soft: #13291c;
    --t4: #f4c34d; --t4-soft: #2d2613;

    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px -14px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; letter-spacing: -.015em; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--surface); color: var(--text); padding: 10px 14px; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow { max-width: 820px; }
@media (max-width: 600px) { :root { --gutter: 16px; } }

.kicker, .eyebrow {
  font: 500 .78rem/1.3 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .9rem;
}
.kicker a { color: inherit; text-decoration: none; }
.kicker a:hover { text-decoration: underline; }
.lede { font-size: clamp(1.08rem, 1.6vw, 1.25rem); color: var(--text-2); max-width: 760px; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header { background: var(--bg); }
}
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 66px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font: 700 1.15rem/1.1 var(--font-head); letter-spacing: .01em; }
.brand-sub { font: 500 .66rem/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 2px; margin: 0; padding: 0; }
.site-nav a {
  display: block; padding: 8px 12px; border-radius: 999px;
  color: var(--text-2); text-decoration: none; font-weight: 500; font-size: .95rem;
}
.site-nav a:hover { background: var(--surface-2); color: var(--text); }
.site-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-strong); }

.nav-button { display: none; }

@media (max-width: 860px) {
  .js .nav-button {
    display: inline-flex; align-items: center; justify-content: center;
    margin-left: auto; width: 44px; height: 44px; border-radius: 10px;
    border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer;
  }
  .nav-button-bars, .nav-button-bars::before, .nav-button-bars::after {
    display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: transform .2s ease;
  }
  .nav-button-bars::before, .nav-button-bars::after { content: ""; position: absolute; left: 0; }
  .nav-button-bars::before { top: -6px; }
  .nav-button-bars::after { top: 6px; }
  .nav-button[aria-expanded="true"] .nav-button-bars { background: transparent; }
  .nav-button[aria-expanded="true"] .nav-button-bars::before { transform: translateY(6px) rotate(45deg); }
  .nav-button[aria-expanded="true"] .nav-button-bars::after { transform: translateY(-6px) rotate(-45deg); }

  .site-nav { width: 100%; margin: 0; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: block; padding-bottom: 12px; }
  .site-nav ul { flex-direction: column; gap: 2px; }
  .js .site-nav a { padding: 12px 14px; border-radius: 10px; font-size: 1rem; }
  html:not(.js) .site-nav ul { flex-direction: row; padding-bottom: 10px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  font: 600 .98rem/1 var(--font-body); text-decoration: none;
  border: 1px solid transparent; transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: #2dd4bf; color: #04201d; }
.btn-primary:hover { background: #5eead4; color: #04201d; }
.btn-ghost { border-color: rgba(255, 255, 255, .28); color: #e7ecf5; }
.btn-ghost:hover { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-outline { border-color: var(--line); color: var(--text); background: var(--surface); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-strong); }

/* ---------- Home hero (always dark) ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(109, 40, 217, .35), transparent 60%),
    radial-gradient(700px 500px at 10% 100%, rgba(20, 184, 166, .22), transparent 60%),
    #070b18;
  color: #e7ecf5;
  padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 7vw, 88px);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 30%, transparent 75%);
}
.hero > .wrap { position: relative; }
.hero .eyebrow { color: #5eead4; display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hero .eyebrow .pill { border: 1px solid rgba(94, 234, 212, .35); border-radius: 999px; padding: 5px 10px; }
.hero h1 { color: #fff; font-size: clamp(2.8rem, 7vw, 5.2rem); letter-spacing: -.03em; margin-bottom: .15em; }
.hero h1 .three {
  background: linear-gradient(120deg, #2dd4bf, #a78bfa);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-head { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 20px clamp(28px, 5vw, 64px); align-items: end; margin-bottom: clamp(28px, 4vw, 44px); }
.hero-title-long { font: 500 clamp(1rem, 1.6vw, 1.15rem)/1.5 var(--font-head); color: #b8c3d9; max-width: 600px; margin: 0; }
.hero-title-long b { color: #fff; font-weight: 700; }
.hero-lede { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: #e7ecf5; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.4rem; }
@media (max-width: 860px) { .hero-head { grid-template-columns: 1fr; } }

/* The lab: room, side panel, timeline */
.lab {
  margin: 0; padding: clamp(14px, 1.6vw, 18px); border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .025));
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 40px 100px -40px rgba(0, 0, 0, .85);
}
.lab-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 10px; }
.lab-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; font: 500 .72rem/1.2 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #5eead4; }
.lab-head h2 { margin: 0; color: #fff; font-size: clamp(1.1rem, 1.8vw, 1.35rem); }
.lab-head-right { flex: none; display: flex; align-items: center; }
.seg-scene .seg-opts span { padding: 7px 13px; }
.lab-badge { flex: none; display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; font-size: .64rem !important; border-radius: 999px; border: 1px solid rgba(94, 234, 212, .35); font: 500 .7rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #5eead4; }
.lab-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2dd4bf; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(45, 212, 191, .55); } 70% { box-shadow: 0 0 0 8px rgba(45, 212, 191, 0); } 100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0); } }
@media (prefers-reduced-motion: reduce) { .lab-badge::before { animation: none; } }
@media (min-width: 901px) { .lab-caption { min-height: 6em; } }
.lab-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(300px, 1fr); grid-template-areas: "room side" "tl tl"; gap: 14px; }
.lab-room { grid-area: room; min-width: 0; }
.lab-side { grid-area: side; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.lab-timeline { grid-area: tl; min-width: 0; padding: 10px 12px 8px; border-radius: 14px; background: rgba(255, 255, 255, .035); border: 1px solid rgba(255, 255, 255, .08); }
.lab-caption { margin: 10px 2px 0; font-size: .76rem; line-height: 1.5; color: #8d98ad; max-width: 980px; }
@media (max-width: 900px) {
  .lab-grid { grid-template-columns: 1fr; grid-template-areas: "room" "tl" "side"; }
  .lab-head { flex-direction: column; }
  .lab-head-right { justify-content: flex-start; }
}

.sim-canvas-wrap { position: relative; aspect-ratio: 10 / 7.1; border-radius: 14px; overflow: hidden; background: #0a1124; }
.sim-canvas-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sim-fallback { position: absolute; inset: 0; display: grid; place-items: center; color: #94a3b8; font-size: .9rem; padding: 20px; text-align: center; }
.js .sim-fallback { display: none; }

.sim-controls { display: grid; grid-template-columns: repeat(2, max-content); justify-content: start; gap: 10px 16px; }
.sim-controls .seg:first-child { grid-column: 1 / -1; }
.seg { border: 0; margin: 0; padding: 0; min-width: 0; }
.seg legend { padding: 0; margin-bottom: 5px; font: 500 .68rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #94a3b8; }
.seg-opts { display: inline-flex; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); border-radius: 999px; padding: 3px; }
.seg-opts label { position: relative; cursor: pointer; }
.seg-opts input { position: absolute; inset: 0; margin: 0; opacity: 0; cursor: pointer; }
.seg-opts span { display: block; padding: 7px 12px; border-radius: 999px; font: 600 .84rem/1 var(--font-body); color: #cbd5e1; transition: background .15s ease, color .15s ease; }
.seg-opts label:hover span { color: #fff; }
.seg-opts input:checked + span { background: #e2e8f0; color: #0b1020; }
.seg-opts input:focus-visible + span { outline: 2px solid #5eead4; outline-offset: 2px; }

.sim-now { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; padding: 7px 12px 8px; border-radius: 12px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08); }
.sim-now-label { width: 100%; font: 500 .68rem/1.2 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #94a3b8; }
.sim-now-value { font: 500 1.05rem/1.1 var(--font-body); color: #cbd5e1; }
.sim-now-value b { display: inline-block; min-width: 2.6ch; font: 700 2.05rem/1 var(--font-body); color: #fff; }
.sim-status { margin-left: auto; padding: 5px 10px; border-radius: 999px; font: 600 .8rem/1 var(--font-body); }
.sim-status.is-ok { background: rgba(12, 163, 12, .16); color: #7ee07e; }
.sim-status.is-below { background: rgba(208, 59, 59, .2); color: #ff9b9b; }
.sim-takeaway { margin: 0; padding-left: 12px; border-left: 2px solid #2dd4bf; font-size: .88rem; line-height: 1.45; color: #dbe3f0; }

.sim-compare { width: 100%; border-collapse: collapse; color: #cbd5e1; font-size: .82rem; }
.sim-compare caption { text-align: left; padding: 0 2px 4px; font: 500 .66rem/1.45 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: #94a3b8; }
.sim-compare caption span { color: #6f7b91; }
.sim-compare th, .sim-compare td { padding: 1px 2px; vertical-align: middle; }
.sim-compare thead th { text-align: left; font: 600 .74rem/1.2 var(--font-body); color: #aab4c8; padding: 0 6px 4px; }
.sim-compare thead th:first-child { padding-left: 2px; }
.sim-compare tbody th { text-align: left; white-space: nowrap; font: 600 .84rem/1.2 var(--font-body); color: #e2e8f0; padding-right: 6px; }
.sim-compare tbody th small { display: block; font: 500 .64rem/1.3 var(--font-mono); color: #8d98ad; }
.cmp-cell {
  position: relative; box-sizing: border-box; display: flex; flex-direction: column; gap: 1px;
  width: 100%; padding: 2px 6px; margin: 0; border: 0; border-radius: 8px;
  background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer;
}
.cmp-cell:hover { background: rgba(255, 255, 255, .05); }
.cmp-cell[aria-pressed="true"] { background: rgba(255, 255, 255, .1); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22); }
.cmp-cell:focus-visible { outline: 2px solid #5eead4; outline-offset: 1px; }
.cmp-cell .pct { font: 600 .9rem/1.2 var(--font-body); font-variant-numeric: tabular-nums; color: #f1f5f9; white-space: nowrap; }
.cmp-cell .avg { font-size: .68rem; line-height: 1.2; color: #8d98ad; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cmp-cell .cbar { display: flex; gap: 2px; height: 5px; margin-top: 2px; }
.cmp-cell .cbar span { display: block; height: 100%; border-radius: 3px; }
.cmp-cell .cbar .ok, .cmp-legend .ok { background: #199e70; }
.cmp-cell .cbar .below, .cmp-legend .below { background: #d03b3b; }
.cmp-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 2px 2px 0; font-size: .72rem; color: #aab4c8; }
.cmp-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cmp-legend i { display: inline-block; width: 12px; height: 6px; border-radius: 3px; }

.tl-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 16px; margin-bottom: 4px; }
.tl-buttons { display: flex; align-items: center; gap: 8px; }
.tl-time { margin-left: 4px; font: 600 .9rem/1 var(--font-mono); color: #e2e8f0; font-variant-numeric: tabular-nums; }
.sim-btn { width: 32px; height: 32px; display: inline-grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .06); color: #f1f5f9; cursor: pointer; font: 600 1rem/1 var(--font-body); }
.sim-btn:hover { background: rgba(255, 255, 255, .12); }
.sim-btn:focus-visible { outline: 2px solid #5eead4; outline-offset: 2px; }
.sim-play span { display: block; width: 12px; height: 12px; }
.sim-play.is-playing span { border-left: 4px solid currentColor; border-right: 4px solid currentColor; width: 12px; box-sizing: border-box; }
.sim-play.is-paused span { width: 0; height: 0; border-top: 7px solid transparent; border-bottom: 7px solid transparent; border-left: 11px solid currentColor; margin-left: 3px; }
.tl-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0; padding: 0; list-style: none; font-size: .76rem; color: #aab4c8; }
.tl-legend li { display: inline-flex; align-items: center; gap: 6px; }
.tl-legend i { display: inline-block; font-style: normal; }
.tl-legend .lg-line { width: 16px; height: 2px; background: #199e70; border-radius: 2px; }
.tl-legend .lg-target { width: 16px; border-top: 1px dashed rgba(203, 213, 225, .7); }
.tl-legend .lg-below { width: 12px; height: 7px; background: #d03b3b; border-radius: 2px; }
.tl-legend .lg-ev { font-size: .55rem; letter-spacing: -1px; color: #cbd5e1; }
.tl-legend .lg-car { width: 8px; height: 8px; background: #cbd5e1; border-radius: 1px; }
#pwe-strip { display: block; width: 100%; height: 98px; cursor: pointer; touch-action: none; border-radius: 6px; }
#pwe-strip:focus-visible { outline: 2px solid #5eead4; outline-offset: 3px; }

/* Results (dumbbell) */
.results-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.results-grid .section-head { margin-bottom: 0; }
.results-note { font-size: .88rem !important; color: var(--muted) !important; }
@media (max-width: 900px) { .results-grid { grid-template-columns: 1fr; } }
.dumbbell-card {
  --db-before: #86b6ef; --db-after: #256abf;
  margin: 0; padding: 22px 24px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
@media (prefers-color-scheme: dark) { .dumbbell-card { --db-before: #1c5cab; --db-after: #6da7ec; } }
.dumbbell-card figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; margin-bottom: 18px; }
.db-title { font: 600 1rem/1.3 var(--font-head); color: var(--text); }
.db-legend { display: inline-flex; gap: 14px; font-size: .84rem; color: var(--text-2); }
.db-legend span { display: inline-flex; align-items: center; gap: 6px; }
.db-key { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.db-key.before { background: var(--db-before); }
.db-key.after { background: var(--db-after); }
.db-group + .db-group { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.db-note { margin: 14px 0 0; font-size: .84rem; color: var(--muted); }
.db-group-title { margin: 0 0 4px; font: 500 .72rem/1.2 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
.db-row { display: grid; grid-template-columns: 96px minmax(0, 1fr); align-items: center; gap: 12px; min-height: 58px; }
.db-label { font: 600 .95rem/1.2 var(--font-head); color: var(--text); }
.db-label small { display: block; font: 500 .7rem/1.3 var(--font-mono); color: var(--muted); }
.db-track { position: relative; height: 44px; margin: 0 14px; border-bottom: 1px solid var(--line); }
.db-line { position: absolute; top: 28px; height: 3px; margin-top: -1.5px; background: var(--line); border-radius: 2px; }
.db-dot { position: absolute; top: 28px; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; box-shadow: 0 0 0 2px var(--surface); }
.db-dot.before { background: var(--db-before); }
.db-dot.after { background: var(--db-after); }
.db-val { position: absolute; top: 2px; transform: translateX(-50%); font: 600 .8rem/1.2 var(--font-body); white-space: nowrap; color: var(--text-2); }
.db-val.after { color: var(--text); }
.db-off { position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%); font-size: .86rem; line-height: 1.35; color: var(--muted); }
.db-axis { min-height: 0; }
.db-axis .db-track { height: 20px; border-bottom: 0; }
.db-axis .db-track span { position: absolute; top: 2px; transform: translateX(-50%); white-space: nowrap; font: 500 .72rem/1 var(--font-mono); color: var(--muted); }

/* Who benefits */
.benefits { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 860px) { .benefits { grid-template-columns: 1fr; } }
.benefit { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.benefit .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; background: var(--accent-soft); color: var(--accent); }
.benefit .icon svg { width: 24px; height: 24px; }
.benefit h3 { margin-bottom: .5em; }
.benefit p { font-size: .95rem; color: var(--text-2); margin-bottom: .7em; }
.benefit p:last-child { margin-bottom: 0; }
.benefit b { color: var(--text); }
.benefit .need { padding-bottom: .7em; border-bottom: 1px solid var(--line); }

/* Before -> after targets */
.ba-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 760px) { .ba-grid { grid-template-columns: 1fr; } }
.ba { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.ba h3 { font-size: 1.08rem; margin-bottom: 14px; }
.ba p { margin: 14px 0 0; font-size: .93rem; color: var(--text-2); }
.ba-pair { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 12px; }
.ba-now, .ba-goal { display: flex; flex-direction: column; gap: 3px; padding: 12px 14px; border-radius: 10px; }
.ba-now { background: var(--surface-2); }
.ba-goal { background: var(--accent-soft); }
.ba-tag { font: 500 .68rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.ba-goal .ba-tag { color: var(--accent-strong); }
.ba-val { font: 700 clamp(1.5rem, 3vw, 2rem)/1.1 var(--font-head); color: var(--text-2); }
.ba-goal .ba-val { color: var(--text); }
.ba-val sup { font-size: .55em; line-height: 0; vertical-align: .8em; }
.ba-note { font-size: .82rem; color: var(--muted); line-height: 1.3; }
.ba-arrow { font-size: 1.4rem; color: var(--accent); }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-tight { padding: clamp(40px, 6vw, 72px) 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 1000px; margin-bottom: clamp(28px, 4vw, 44px); }
.section-head p { color: var(--text-2); font-size: 1.08rem; max-width: 760px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* The research question */
.question {
  font: 500 clamp(1.4rem, 2.8vw, 2.1rem)/1.3 var(--font-head);
  letter-spacing: -.015em; max-width: 920px; margin: 0;
}
.question em { font-style: normal; color: var(--accent); }

/* Spectrum strip */
.spectrum { margin-top: 36px; }
.spectrum-bar { display: grid; grid-template-columns: 1.1fr 1.7fr 1.5fr; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.spectrum-bar > div { padding: 16px 18px; min-height: 104px; display: flex; flex-direction: column; justify-content: space-between; gap: 10px; }
.band-name { font: 600 1.05rem/1.2 var(--font-head); }
.band-range { font: 500 .78rem/1.2 var(--font-mono); color: var(--muted); }
.band-note { font-size: .86rem; color: var(--text-2); }
.band-sub6 { background: var(--surface-2); }
.band-mmw { background: var(--surface-2); }
.band-fr3 {
  position: relative; color: #fff;
  background: linear-gradient(110deg, #0d7680, #4c1d95);
}
.band-fr3 .band-range, .band-fr3 .band-note { color: rgba(255, 255, 255, .85); }
.band-fr3 .band-name { color: #fff; }
.band-fr3::after { content: "FORMULA3"; position: absolute; top: 12px; right: 14px; font: 600 .65rem/1 var(--font-mono); letter-spacing: .1em; border: 1px solid rgba(255, 255, 255, .5); border-radius: 999px; padding: 4px 7px; }
.spectrum-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.spectrum-facts p { margin: 0; color: var(--text-2); font-size: .95rem; }
.spectrum-facts strong { display: block; font: 600 1.4rem/1.2 var(--font-head); color: var(--text); }
@media (max-width: 720px) {
  .spectrum-bar { grid-template-columns: 1fr; }
  .spectrum-bar > div { min-height: 0; }
  .spectrum-facts { grid-template-columns: 1fr; }
}

/* Approach loop */
.loop { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; position: relative; }
.loop li {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px 20px; box-shadow: var(--shadow);
}
.loop li:not(:last-child)::after {
  content: ""; position: absolute; top: 44px; right: -13px; width: 10px; height: 10px; z-index: 2;
  border-top: 2px solid var(--muted); border-right: 2px solid var(--muted); transform: rotate(45deg);
}
.loop .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; background: var(--accent-soft); color: var(--accent); }
.loop .icon svg { width: 24px; height: 24px; }
.loop h3 { margin-bottom: .3em; }
.loop p { color: var(--text-2); font-size: .95rem; margin: 0; }
.loop .step { position: absolute; top: 18px; right: 18px; font: 500 .72rem/1 var(--font-mono); color: var(--muted); }
.loop-note { margin-top: 18px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .92rem; }
.loop-note svg { width: 20px; height: 20px; flex: none; color: var(--accent); }
@media (max-width: 900px) {
  .loop { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .loop li:nth-child(2)::after { display: none; }
}
@media (max-width: 520px) {
  .loop { grid-template-columns: 1fr; }
  .loop li::after { display: none; }
}

/* Thrust cards */
.thrusts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.thrust-card {
  --c: var(--t1); --c-soft: var(--t1-soft);
  position: relative; display: block; text-decoration: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 24px 22px 28px; box-shadow: var(--shadow); overflow: hidden;
  transition: transform .18s ease, border-color .18s ease;
}
.thrust-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--c); }
.thrust-card:hover { transform: translateY(-2px); border-color: var(--c); color: var(--text); }
.thrust-card .tag { display: inline-block; font: 600 .78rem/1 var(--font-mono); color: var(--c); background: var(--c-soft); border-radius: 6px; padding: 6px 8px; margin-bottom: 12px; }
.thrust-card h3 { margin-bottom: .4em; }
.thrust-card p { color: var(--text-2); margin: 0; font-size: .97rem; }
.thrust-card .more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: .92rem; color: var(--c); }
.t1 { --c: var(--t1); --c-soft: var(--t1-soft); }
.t2 { --c: var(--t2); --c-soft: var(--t2-soft); }
.t3 { --c: var(--t3); --c-soft: var(--t3-soft); }
.t4 { --c: var(--t4); --c-soft: var(--t4-soft); }
@media (max-width: 720px) { .thrusts { grid-template-columns: 1fr; } }

/* Targets */
.targets-note { margin-top: 22px; font-size: .86rem; color: var(--muted); }

/* Partners */
.partners { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.partner {
  display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 12px;
  text-decoration: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 12px 14px; text-align: center; transition: border-color .18s ease, transform .18s ease;
}
.partner:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text); }
.partner .logo-tile { width: 100%; height: 84px; display: grid; place-items: center; background: #fff; border-radius: 10px; padding: 10px; }
.partner img { max-height: 64px; width: auto; }
.partner .p-name { font-weight: 600; font-size: .92rem; line-height: 1.3; }
.partner .p-place { font: 500 .7rem/1.2 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 900px) { .partners { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .partners { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Funding band */
.funding-band { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.funding-band .funding-logos { display: flex; align-items: center; gap: 24px; flex: none; max-width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 22px; }
.funding-band .nsf { width: 72px; height: 72px; }
.funding-band .rcf { width: auto; height: 80px; }
@media (max-width: 560px) {
  .funding-band .funding-logos { gap: 16px; padding: 10px 14px; }
  .funding-band .nsf { width: 56px; height: 56px; }
  .funding-band .rcf { flex: 0 1 auto; min-width: 0; width: 100%; max-width: 230px; height: auto; }
}
.funding-band p { margin: 0; flex: 1 1 320px; color: var(--text-2); }
.funding-band strong { color: var(--text); }

/* News list */
.news-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.news-item a {
  display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 20px; align-items: baseline;
  padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); text-decoration: none; color: var(--text);
  transition: border-color .18s ease;
}
.news-item a:hover { border-color: var(--accent); color: var(--text); }
.news-item time { font: 500 .8rem/1.4 var(--font-mono); color: var(--muted); }
.news-item h3 { font-size: 1.15rem; margin: 0 0 .3em; }
.news-item p { margin: 0; color: var(--text-2); font-size: .96rem; }
@media (max-width: 600px) { .news-item a { grid-template-columns: 1fr; gap: 6px; } }

.section-cta { margin-top: 24px; }

/* ---------- Interior pages ---------- */
.page-hero {
  padding: clamp(44px, 6vw, 76px) 0 clamp(28px, 4vw, 44px);
  background:
    radial-gradient(700px 260px at 90% 0%, color-mix(in srgb, var(--violet) 14%, transparent), transparent 70%),
    radial-gradient(600px 260px at 0% 100%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { margin-bottom: .3em; }
.page-hero .lede { margin: 0; }
.page-body { padding-bottom: clamp(56px, 8vw, 96px); }
.page-body > .wrap:first-child, .page-body > section:first-child { padding-top: clamp(32px, 5vw, 56px); }

.prose { max-width: 760px; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose p, .prose li { color: var(--text-2); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }
.prose strong { color: var(--text); }
.back-link { margin-top: 2.4em; }
.col-narrow { max-width: 860px; }
.news-article .prose { padding-top: clamp(28px, 4vw, 44px); padding-bottom: clamp(48px, 7vw, 88px); }

/* Sub-navigation (Research page) */
.subnav { position: sticky; top: 66px; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.subnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: block; white-space: nowrap; padding: 12px 12px; font-size: .9rem; font-weight: 500; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; }
.subnav a:hover { color: var(--text); }
.subnav a.is-active { color: var(--text); border-bottom-color: var(--accent); }

.research-section { padding: clamp(48px, 7vw, 80px) 0 0; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.cards-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 860px) { .cards-3 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card h3 { font-size: 1.1rem; }
.card p { color: var(--text-2); font-size: .96rem; margin: 0; }
.card .card-label { font: 500 .72rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; display: block; }

.arrow-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.arrow-list li { position: relative; padding-left: 28px; color: var(--text-2); }
.arrow-list li::before { content: ""; position: absolute; left: 4px; top: .62em; width: 8px; height: 8px; border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); transform: rotate(45deg); }
.arrow-list strong { color: var(--text); }

.surfaces { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 8px; }
.surface { border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: 14px 16px; background: var(--surface); }
.surface b { font-family: var(--font-head); font-size: 1.05rem; display: block; }
.surface span { font-size: .9rem; color: var(--text-2); }
@media (max-width: 640px) { .surfaces { grid-template-columns: 1fr; } }

/* Thrust diagram */
.diagram { display: grid; grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr); grid-template-areas: "t1 t1 t1" "f1 f1 f1" "t2 ai t3" "f2 f2 f2" "t4 t4 t4"; gap: 0; }
.dg-box { --c: var(--t1); --c-soft: var(--t1-soft); border: 2px solid var(--c); background: var(--c-soft); border-radius: var(--radius); padding: 16px; }
.dg-box h3 { font-size: 1rem; margin: 0 0 12px; color: var(--text); }
.dg-box h3 span { font-family: var(--font-mono); color: var(--c); margin-right: 6px; }
.dg-tasks { display: grid; gap: 8px; }
.dg-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.dg-task { background: var(--surface); border: 1px solid color-mix(in srgb, var(--c) 45%, transparent); border-radius: 8px; padding: 9px 11px; font-size: .88rem; line-height: 1.35; color: var(--text-2); }
.dg-task b { font: 600 .74rem/1 var(--font-mono); color: var(--c); display: block; margin-bottom: 4px; }
.dg-t1 { grid-area: t1; } .dg-t2 { grid-area: t2; --c: var(--t2); --c-soft: var(--t2-soft); } .dg-t3 { grid-area: t3; --c: var(--t3); --c-soft: var(--t3-soft); } .dg-t4 { grid-area: t4; --c: var(--t4); --c-soft: var(--t4-soft); }
.dg-flow { display: flex; justify-content: center; gap: 18%; align-items: center; height: 44px; font: 500 .72rem/1 var(--font-mono); color: var(--muted); letter-spacing: .04em; }
.dg-flow span { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; }
.dg-flow span::after { content: "↓"; font-size: 1rem; color: var(--muted); }
.dg-f1 { grid-area: f1; } .dg-f2 { grid-area: f2; }
.dg-ai { grid-area: ai; display: flex; flex-direction: column; align-items: center; justify-content: center; font: 500 .7rem/1.2 var(--font-mono); color: var(--muted); text-align: center; }
.dg-ai::after { content: "→"; font-size: 1.2rem; }
@media (max-width: 720px) {
  .diagram { grid-template-columns: 1fr; grid-template-areas: "t1" "f1" "t2" "ai" "t3" "f2" "t4"; }
  .dg-ai { height: 40px; flex-direction: row; gap: 8px; }
  .dg-ai::after { content: "↓"; }
  .dg-row { grid-template-columns: 1fr; }
}

/* Thrust detail blocks */
.thrust-detail { --c: var(--t1); --c-soft: var(--t1-soft); margin-top: clamp(36px, 5vw, 56px); padding-top: clamp(28px, 4vw, 40px); border-top: 1px solid var(--line); scroll-margin-top: 130px; }
.thrust-detail.t2 { --c: var(--t2); --c-soft: var(--t2-soft); }
.thrust-detail.t3 { --c: var(--t3); --c-soft: var(--t3-soft); }
.thrust-detail.t4 { --c: var(--t4); --c-soft: var(--t4-soft); }
.thrust-detail header { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
.thrust-detail .badge { flex: none; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--c); color: #fff; font: 700 1.05rem/1 var(--font-mono); }
.thrust-detail h2 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); margin: 4px 0 .3em; }
.thrust-detail header p { margin: 0; color: var(--text-2); max-width: 760px; }
.task-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.task { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.task .tid { font: 600 .76rem/1 var(--font-mono); color: var(--c); display: inline-block; background: var(--c-soft); border-radius: 6px; padding: 5px 7px; margin-bottom: 10px; }
.task h3 { font-size: 1.05rem; margin-bottom: .45em; }
.task p { font-size: .94rem; color: var(--text-2); margin: 0; }
.task .lead { margin-top: 12px; font-size: .82rem; color: var(--muted); }

/* Research vectors */
.vectors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.vector { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.vector .code { font: 700 1.6rem/1 var(--font-head); color: var(--accent); }
.vector h3 { margin: 10px 0 .5em; font-size: 1.1rem; }
.vector ul { margin: 0; padding-left: 1.1em; color: var(--text-2); font-size: .94rem; }
@media (max-width: 860px) { .vectors { grid-template-columns: 1fr; } }

/* Timeline (Gantt) */
.gantt-scroll { position: relative; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.gantt { width: 100%; min-width: 760px; border-collapse: collapse; font-size: .9rem; }
.gantt th, .gantt td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: middle; }
.gantt thead th { font: 500 .72rem/1.3 var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); }
.gantt thead .yr th { text-align: center; border-left: 1px solid var(--line); }
.gantt thead .hf th.p { text-align: center; border-left: 1px solid var(--line); font-size: .66rem; }
.gantt tbody tr:last-child th, .gantt tbody tr:last-child td { border-bottom: 0; }
.gantt .task-cell { min-width: 300px; }
.gantt .task-cell b { font: 600 .76rem/1 var(--font-mono); margin-right: 8px; }
.gantt .task-cell small { display: block; color: var(--muted); font-size: .78rem; margin-top: 3px; }
.gantt td.p { padding: 6px 0; border-left: 1px solid var(--line); width: 9%; }
.gantt td.p.on .bar { height: 14px; background: var(--c); margin: 0 -1px; }
.gantt td.p.on.start .bar { border-radius: 7px 0 0 7px; margin-left: 6px; }
.gantt td.p.on.end .bar { border-radius: 0 7px 7px 0; margin-right: 6px; }
.gantt td.p.on.start.end .bar { border-radius: 7px; }
.gantt tr.t1 { --c: var(--t1); } .gantt tr.t2 { --c: var(--t2); } .gantt tr.t3 { --c: var(--t3); } .gantt tr.t4 { --c: var(--t4); }
.gantt tr.t1 .task-cell b { color: var(--t1); } .gantt tr.t2 .task-cell b { color: var(--t2); } .gantt tr.t3 .task-cell b { color: var(--t3); } .gantt tr.t4 .task-cell b { color: var(--t4); }
.gantt-note { margin-top: 12px; font-size: .86rem; color: var(--muted); }

/* Glossary */
.glossary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; margin: 0; }
.glossary div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.glossary dt { font: 600 1rem/1.3 var(--font-head); }
.glossary dt abbr { text-decoration: none; color: var(--accent); margin-right: 6px; }
.glossary dd { margin: 4px 0 0; color: var(--text-2); font-size: .94rem; }
@media (max-width: 720px) { .glossary { grid-template-columns: 1fr; } }

/* Team */
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.person { display: flex; flex-direction: column; gap: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.person-top { display: flex; gap: 16px; align-items: center; }
.avatar { flex: none; width: 68px; height: 68px; border-radius: 50%; overflow: hidden; display: grid; place-items: center; font: 600 1.3rem/1 var(--font-head); color: #fff; background: linear-gradient(135deg, #0d7680, #6d28d9); }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.person h3 { font-size: 1.2rem; margin: 0 0 4px; }
.person h3 a { color: inherit; text-decoration: none; }
.person h3 a:hover { color: var(--accent); }
.person .role { font: 500 .74rem/1.3 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--accent); }
.person .inst { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--text-2); margin-top: 2px; }
.person .flag { font: 500 .66rem/1 var(--font-mono); color: var(--muted); border: 1px solid var(--line); padding: 3px 5px; border-radius: 4px; }
.person .title { font-size: .86rem; color: var(--muted); margin: 0; line-height: 1.5; }
.person .expertise { margin: 0; color: var(--text-2); font-size: .95rem; }
.person .focus { margin: 0; font-size: .92rem; color: var(--text-2); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 4px; }
.chip { font: 600 .74rem/1 var(--font-mono); padding: 6px 8px; border-radius: 6px; text-decoration: none; background: var(--c-soft, var(--surface-2)); color: var(--c, var(--text-2)); }
.chip:hover { filter: brightness(.95); color: var(--c, var(--text)); }
.chip.t1 { --c: var(--t1); --c-soft: var(--t1-soft); } .chip.t2 { --c: var(--t2); --c-soft: var(--t2-soft); } .chip.t3 { --c: var(--t3); --c-soft: var(--t3-soft); } .chip.t4 { --c: var(--t4); --c-soft: var(--t4-soft); }
.chips-label { width: 100%; font: 500 .7rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }

.empty-state { border: 1px dashed var(--line); border-radius: var(--radius); padding: 28px; text-align: center; color: var(--muted); background: color-mix(in srgb, var(--surface) 60%, transparent); }
.empty-state p { margin: 0 auto; max-width: 560px; }
.empty-state p + p { margin-top: 8px; }

/* Publications */
.pub-year { font: 600 1.05rem/1 var(--font-mono); color: var(--muted); margin: 2em 0 .8em; }
.pubs { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.pub { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.pub .pub-title { font: 600 1.02rem/1.4 var(--font-head); color: var(--text); margin: 0 0 6px; }
.pub .pub-authors { margin: 0; color: var(--text-2); font-size: .92rem; }
.pub .pub-venue { margin: 2px 0 0; font-size: .9rem; color: var(--muted); font-style: italic; }
.pub-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; margin-top: 10px; }
.pub-meta .topic { font: 500 .7rem/1 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 5px 7px; border-radius: 5px; }
.pub-meta a { font-size: .86rem; font-weight: 600; }

/* Datasets */
.datasets { display: grid; gap: 18px; }
.dataset { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.dataset h2 { font-size: 1.35rem; margin-bottom: .35em; }
.dataset p { color: var(--text-2); }
.dataset ul { margin: 0; padding-left: 1.1em; color: var(--text-2); font-size: .95rem; }
.dataset li { margin-bottom: 4px; }
.dataset aside { border-left: 1px solid var(--line); padding-left: 24px; display: flex; flex-direction: column; gap: 14px; }
.dataset dl { margin: 0; display: grid; gap: 12px; }
.dataset dt { font: 500 .7rem/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.dataset dd { margin: 4px 0 0; font-size: .95rem; }
.status { display: inline-flex; align-items: center; gap: 7px; font: 600 .78rem/1 var(--font-mono); padding: 6px 9px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); width: fit-content; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-planned { color: var(--muted); }
.status-in-progress { color: var(--t4); background: var(--t4-soft); }
.status-released { color: var(--t3); background: var(--t3-soft); }
@media (max-width: 760px) {
  .dataset { grid-template-columns: 1fr; }
  .dataset aside { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
}

/* Outreach */
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 760px) { .feature-grid { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feature .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; background: var(--accent-soft); color: var(--accent); }
.feature .icon svg { width: 24px; height: 24px; }
.feature h3 { margin-bottom: .45em; }
.feature p, .feature li { color: var(--text-2); font-size: .97rem; }
.feature ul { padding-left: 1.1em; margin: 0; }
.feature p:last-child { margin-bottom: 0; }

.demo-flow { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; counter-reset: d; }
.demo-flow li { counter-increment: d; background: var(--surface-2); border-radius: 10px; padding: 12px 14px; font-size: .9rem; color: var(--text-2); }
.demo-flow li::before { content: counter(d, decimal-leading-zero); display: block; font: 600 .72rem/1 var(--font-mono); color: var(--accent); margin-bottom: 6px; }
@media (max-width: 760px) { .demo-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- Footer ---------- */
.site-footer { background: #070b18; color: #aab4c8; padding: 56px 0 24px; font-size: .92rem; }
.site-footer a { color: #d6dcea; }
.site-footer a:hover { color: #fff; }
.site-footer .brand { color: #fff; }
.site-footer .brand-sub { color: #8d98ad; }
.site-footer h2 { font: 500 .72rem/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #8d98ad; margin: 6px 0 14px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr 1.6fr; gap: 40px; }
.footer-about p { margin: 14px 0 0; max-width: 380px; line-height: 1.55; }
.footer-partners { font-size: .86rem; }
.footer-partners a { text-decoration: none; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-nav a { text-decoration: none; }
.footer-funding .funding-logos { display: flex; align-items: center; gap: 22px; margin-bottom: 14px; }
.footer-funding .funding-logos a { display: inline-flex; }
.footer-funding .funding-logos .rcf { width: auto; height: 56px; }
.footer-funding p { margin: 0; line-height: 1.55; }
.disclaimer { margin: 14px 0 0; font-size: .8rem; color: #7f8aa0; line-height: 1.5; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .84rem; color: #7f8aa0; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-funding { grid-column: 1 / -1; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* 404 */
.not-found { padding: clamp(80px, 12vw, 160px) 0; text-align: center; }
.not-found .code { font: 700 clamp(4rem, 12vw, 8rem)/1 var(--font-head); background: linear-gradient(120deg, #14b8a6, #6d28d9); -webkit-background-clip: text; background-clip: text; color: transparent; }