/* ==========================================================================
   Lionbio — brand stylesheet
   Tokens follow the LionBio Brand Guidelines (NEN Creative), see design-ref/BRAND.md
   ========================================================================== */
:root {
  /* core palette */
  --white: #ffffff;
  --gray: #f7f7f7;
  --black: #0f0f0f;
  --mist: #edf3f4;
  --seafoam: #d6ecef;
  --teal: #508d98;
  --slate: #4e5c65;
  /* neutrals */
  --n100: #eff1f5; --n200: #dfe1e5; --n300: #c7c9cd; --n400: #afb1b5;
  --n500: #97999d; --n600: #7f8185; --n700: #67696d; --n800: #2b2d31;
  /* gradients */
  --grad-light: linear-gradient(180deg, #edf3f4 0%, #d7e4e6 55%, #c0d7db 100%);
  --grad-dark: linear-gradient(160deg, #737799 0%, #4e637c 38%, #394d5d 70%, #1c222b 100%);

  /* semantic */
  --bg: var(--white);
  --bg-2: var(--mist);
  --text: var(--black);
  --muted: var(--n700);
  --dim: var(--n500);
  --line: var(--n200);
  --line-2: var(--n300);
  --accent: var(--teal);
  --accent-soft: var(--seafoam);
  --accent-ink: #3c6f79;          /* teal darkened for small text on white (AA) */
  --on-dark: #ffffff;
  --on-dark-muted: rgba(255, 255, 255, 0.72);
  --on-dark-dim: rgba(255, 255, 255, 0.5);
  --on-dark-line: rgba(255, 255, 255, 0.16);

  --heading: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, monospace;

  --radius: 12px;
  --radius-sm: 6px;
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1320px;
  --nav-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; max-width: 100%; }
::selection { background: var(--accent-soft); color: var(--black); }
main, footer, header { position: relative; z-index: 1; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; text-transform: uppercase; line-height: 1; }
.muted { color: var(--muted); }
.dim { color: var(--dim); }
.accent { color: var(--accent-ink); }
.teal { color: var(--accent); }

/* type scale ------------------------------------------------------------- */
h1, h2, h3, .display { font-family: var(--heading); font-weight: 400; letter-spacing: -0.025em; }
h1.display { font-size: clamp(42px, 6vw, 88px); line-height: 1.02; font-weight: 300; }
h2 { font-size: clamp(32px, 4.2vw, 60px); line-height: 1.08; max-width: 920px; }
h2 .muted { color: var(--dim); }
h3 { font-size: 22px; line-height: 1.2; letter-spacing: -0.02em; }
.lede { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.45; color: var(--muted); }

/* section label: teal dot + mono */
.label { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; text-transform: uppercase; color: var(--muted); }
.label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
.on-dark .label { color: var(--on-dark-muted); }

/* dot pattern (brand "Pattern") ------------------------------------------ */
.dots {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.42) 1.1px, transparent 1.6px);
  background-size: 16px 16px;
  -webkit-mask-image: radial-gradient(ellipse at 100% 100%, #000 0%, transparent 62%);
  mask-image: radial-gradient(ellipse at 100% 100%, #000 0%, transparent 62%);
  opacity: 0.9;
}
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.16; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .3s, box-shadow .3s; }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 24px; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 18px; width: auto; }
.logo .wm-dark { display: none; }
.nav-links { display: flex; align-items: center; gap: 4px; background: var(--slate); border-radius: 4px; padding: 4px; }
.nav-links a { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; color: rgba(255,255,255,0.78); padding: 9px 14px; border-radius: 3px; transition: color .2s, background .2s; }
.nav-links a:hover { color: #fff; }
.nav-links a.active { background: var(--accent-soft); color: var(--black); }
.menu-btn { display: none; background: var(--slate); border: 0; color: #fff; font-family: var(--mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; padding: 10px 14px; border-radius: 4px; cursor: pointer; }

/* nav on light background once scrolled, or on light pages */
.nav.scrolled { background: rgba(255, 255, 255, 0.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.nav.scrolled .logo .wm-light { display: none; }
.nav.scrolled .logo .wm-dark { display: block; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; gap: 6px;
    position: absolute; top: var(--nav-h); left: var(--gutter); right: var(--gutter);
    padding: 10px; border-radius: 8px; box-shadow: 0 20px 50px -20px rgba(0,0,0,.4);
  }
  .nav.open .nav-links a { font-size: 13px; padding: 14px 16px; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 18px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase;
  border: 1px solid var(--line-2); border-radius: 3px;
  background: transparent; color: inherit;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.btn:hover { border-color: var(--text); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--black); border-color: var(--black); color: #fff; }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(3px); }
/* on dark surfaces */
.on-dark .btn { border-color: var(--on-dark-line); color: #fff; }
.on-dark .btn:hover { border-color: #fff; }
.on-dark .btn.primary { background: var(--accent-soft); color: var(--black); border-color: var(--accent-soft); }
.on-dark .btn.primary:hover { background: #fff; border-color: #fff; color: var(--black); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; background: var(--grad-dark); color: var(--on-dark); }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 40%, rgba(255,255,255,0.10), transparent 55%); pointer-events: none; }
#core { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero .wrap { position: relative; z-index: 2; padding-top: calc(var(--nav-h) + 40px); padding-bottom: 90px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.hero-copy { max-width: 640px; }
.hero-side { max-width: 320px; justify-self: end; color: var(--on-dark-muted); font-size: 15px; line-height: 1.5; padding-bottom: 6px; }
.eyebrow { margin-bottom: 26px; }
h1.display em { font-style: normal; color: var(--accent-soft); }
.hero p.lede { margin-top: 24px; color: var(--on-dark-muted); max-width: 540px; }
.hero .ctas { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { position: absolute; z-index: 2; left: var(--gutter); right: var(--gutter); bottom: 22px; display: flex; justify-content: space-between; gap: 20px; color: var(--on-dark-dim); font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; text-transform: uppercase; }
.scroll-cue { display: inline-flex; align-items: center; gap: 10px; }
.scroll-cue span { width: 1px; height: 28px; background: linear-gradient(rgba(255,255,255,.7), transparent); animation: drip 2s infinite; }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

@media (max-width: 860px) {
  .hero { align-items: flex-end; }
  .hero .wrap { grid-template-columns: 1fr; padding-top: 48vh; padding-bottom: 80px; gap: 20px; }
  .hero-side { justify-self: start; max-width: none; }
  .hero-note { bottom: 18px; }
  .hero-note > :last-child { display: none; }
}

/* ---------- sections ---------- */
section { position: relative; }
.sec { padding: clamp(80px, 11vw, 150px) 0; }
.sec.alt { background: var(--bg-2); }
.sec-head { display: grid; grid-template-columns: 200px 1fr; gap: 40px; margin-bottom: 56px; align-items: start; }
.sec-head .idx { padding-top: 12px; }
.rule { border-top: 1px solid var(--line); }
@media (max-width: 860px) { .sec-head { grid-template-columns: 1fr; gap: 14px; margin-bottom: 40px; } .sec-head .idx { padding-top: 0; } }

/* small investigational note used near claims */
.reg-note { font-size: 12.5px; line-height: 1.5; color: var(--dim); max-width: 720px; }
.reg-note strong { font-weight: 500; color: var(--muted); }

/* ---------- the stat strip ---------- */
.problem { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
.bignum { font-family: var(--heading); font-size: clamp(110px, 16vw, 220px); line-height: 0.85; letter-spacing: -0.05em; font-weight: 300; color: var(--text); }
.bignum sup { font-size: 0.3em; vertical-align: top; position: relative; top: 0.4em; margin-left: 2px; letter-spacing: 0; color: var(--accent); }
.problem p { font-size: clamp(20px, 2vw, 26px); line-height: 1.3; letter-spacing: -0.01em; font-family: var(--heading); }
.problem p + p { margin-top: 18px; color: var(--muted); font-size: 17px; line-height: 1.5; letter-spacing: 0; font-family: var(--sans); }
@media (max-width: 860px) { .problem { grid-template-columns: 1fr; } }

/* ---------- route comparison ---------- */
.routes { display: grid; gap: 16px; }
.route { border: 1px solid var(--line); background: var(--white); padding: 26px 28px 22px; border-radius: var(--radius); position: relative; overflow: hidden; }
.route.ours { background: #e2eff1; border-color: transparent; }
.route-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.route-top .tag { padding: 6px 10px; border-radius: 99px; background: var(--n100); color: var(--muted); }
.route.ours .tag { background: var(--accent); color: #fff; }
.route svg { width: 100%; height: auto; overflow: visible; }
.route svg text { font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; text-transform: uppercase; }
.route-foot { display: flex; gap: 28px; margin-top: 14px; flex-wrap: wrap; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step { padding: 28px 24px 30px; background: var(--mist); border-radius: var(--radius); position: relative; min-height: 280px; display: flex; flex-direction: column; transition: transform .25s; }
.step:hover { transform: translateY(-3px); }
.step .n { color: var(--accent-ink); margin-bottom: auto; }
.step .glyph { width: 56px; height: 56px; margin: 34px 0 26px; }
.step p { color: var(--muted); font-size: 15px; margin-top: 8px; line-height: 1.45; }
@media (max-width: 960px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } .step { min-height: 0; } }

/* ---------- metrics ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric { background: var(--mist); border-radius: var(--radius); padding: 28px 24px 26px; display: flex; flex-direction: column; opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.1,1), transform .7s cubic-bezier(.2,.7,.1,1); }
.metric.in { opacity: 1; transform: none; }
.metric:nth-child(2) { transition-delay: .08s; } .metric:nth-child(3) { transition-delay: .16s; } .metric:nth-child(4) { transition-delay: .24s; }
.metric .mono { color: var(--muted); }
.metric .v { font-family: var(--heading); font-weight: 300; font-size: clamp(44px, 5vw, 72px); letter-spacing: -0.04em; line-height: 1; margin: 22px 0 14px; color: var(--text); }
.metric .v small { font-size: 0.42em; letter-spacing: -0.01em; color: var(--muted); margin-left: 4px; }
.metric p { color: var(--muted); font-size: 15px; line-height: 1.45; flex: 1; }
.metric .bar { height: 3px; background: var(--n200); border-radius: 2px; margin-top: 22px; position: relative; overflow: hidden; }
.metric .src { margin-top: 12px; font-size: 11.5px; color: var(--dim); }
.metric .bar i { position: absolute; inset: 0; background: var(--accent); transform-origin: left; transform: scaleX(0); transition: transform 1.6s cubic-bezier(.2,.7,.1,1); }
.metric.in .bar i { transform: scaleX(var(--p, 1)); transition-delay: .35s; }
@media (max-width: 960px) { .metrics { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .metrics { grid-template-columns: 1fr; } }

/* ---------- horizon ---------- */
.horizon { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { border-radius: var(--radius); background: var(--mist); padding: 26px; position: relative; overflow: hidden; transition: transform .3s; }
.card:hover { transform: translateY(-3px); }
.card .mono { color: var(--accent-ink); }
.card h3 { margin: 40px 0 10px; }
.card p { color: var(--muted); font-size: 15px; line-height: 1.45; }
.card.dark { background: var(--black); color: #fff; }
.card.dark .mono { color: var(--accent-soft); }
.card.dark p { color: var(--on-dark-muted); }
.card.dark .arc { position: absolute; right: -40px; top: -70px; width: 72%; opacity: .55; pointer-events: none; }
.card.dark h3, .card.dark p, .card.dark .mono { position: relative; }
@media (max-width: 860px) { .horizon { grid-template-columns: 1fr; } }

/* ---------- backers ---------- */
.backers { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.backer-list { display: grid; }
.backer { display: flex; align-items: center; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.backer:first-child { border-top: 1px solid var(--line); }
.backer img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; flex: none; }
.backer .name { font-family: var(--heading); font-size: clamp(20px, 2vw, 26px); letter-spacing: -0.02em; display: block; }
.backer .mono { display: block; margin-top: 6px; color: var(--muted); }
.logos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.logos > div { background: var(--white); border-radius: var(--radius); min-height: 104px; display: grid; place-items: center; padding: 18px; }
.logos img { max-height: 34px; max-width: 130px; width: auto; filter: grayscale(1); opacity: .7; transition: opacity .2s, filter .2s; }
.logos img.tall { max-height: 56px; }
.logos img.inv { filter: grayscale(1) invert(1); }
.logos img.inv:hover { filter: invert(1); }
.logos img:hover { filter: none; opacity: 1; }
@media (max-width: 860px) { .backers { grid-template-columns: 1fr; gap: 36px; } .logos { grid-template-columns: repeat(2, 1fr); } }

/* ---------- cta ---------- */
.cta-block { text-align: center; padding: clamp(100px, 15vw, 180px) 0; position: relative; overflow: hidden; background: var(--grad-dark); color: #fff; }
.cta-block h2 { margin: 0 auto; font-weight: 300; }
.cta-block .ctas { justify-content: center; display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }
.cta-block .horizon-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; opacity: .5; pointer-events: none; mix-blend-mode: screen; -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 45%, #000 100%); mask-image: linear-gradient(180deg, transparent 0%, #000 45%, #000 100%); }
.cta-block .wrap { position: relative; z-index: 1; }

/* ---------- footer ---------- */
footer { background: var(--black); color: #fff; padding: 72px 0 36px; position: relative; overflow: hidden; }
footer .wrap { position: relative; z-index: 1; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.foot .logo img { height: 16px; }
.foot h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--on-dark-dim); text-transform: uppercase; font-weight: 400; margin-bottom: 16px; }
.foot ul { list-style: none; display: grid; gap: 10px; }
.foot a { color: var(--on-dark-muted); font-size: 15px; transition: color .2s; }
.foot a:hover { color: #fff; }
.foot .tag { margin-top: 16px; font-size: 15px; max-width: 280px; color: var(--on-dark-muted); }
.disclaimer { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--on-dark-line); color: var(--on-dark-dim); font-size: 12px; line-height: 1.6; display: flex; justify-content: space-between; gap: 40px; }
.disclaimer p { max-width: 760px; }
@media (max-width: 860px) { .foot { grid-template-columns: 1fr 1fr; } .disclaimer { flex-direction: column; gap: 16px; } }

/* ---------- page header (inner pages) ---------- */
.page-head { padding: calc(var(--nav-h) + 90px) 0 80px; position: relative; overflow: hidden; background: var(--grad-dark); color: #fff; }
.page-head h1 { font-size: clamp(48px, 8vw, 120px); line-height: 0.95; letter-spacing: -0.04em; font-weight: 300; }
.page-head h1 .dim { color: var(--on-dark-dim); }
.page-head .sub { margin-top: 28px; display: flex; gap: 40px; justify-content: space-between; align-items: end; flex-wrap: wrap; }
.page-head .sub p { font-size: clamp(17px, 1.6vw, 21px); color: var(--on-dark-muted); max-width: 560px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; text-transform: uppercase; padding: 7px 10px; border-radius: 99px; background: var(--n100); color: var(--muted); white-space: nowrap; }
.chip.on { background: var(--accent-soft); color: var(--black); }
.on-dark .chip { background: rgba(255,255,255,.1); color: var(--on-dark-muted); }
.on-dark .chip.on { background: var(--accent-soft); color: var(--black); }

/* ---------- research ---------- */
.tldr { background: var(--mist); border-radius: var(--radius); padding: 32px; display: grid; grid-template-columns: 160px 1fr; gap: 32px; position: relative; margin-top: -40px; z-index: 2; }
.tldr ol { list-style: none; display: grid; gap: 14px; counter-reset: t; }
.tldr li { counter-increment: t; position: relative; padding-left: 34px; font-size: 18px; line-height: 1.4; font-family: var(--heading); }
.tldr li::before { content: "0" counter(t); position: absolute; left: 0; top: 5px; font-family: var(--mono); font-size: 12px; color: var(--accent-ink); }
@media (max-width: 760px) { .tldr { grid-template-columns: 1fr; gap: 18px; padding: 24px; } }

.r-layout { display: grid; grid-template-columns: 220px 1fr; gap: 64px; padding: 90px 0 40px; }
.toc { position: sticky; top: calc(var(--nav-h) + 30px); align-self: start; display: grid; gap: 2px; }
.toc a { display: grid; grid-template-columns: 30px 1fr; padding: 8px 0 8px 14px; font-size: 14px; color: var(--dim); border-left: 1px solid var(--line); transition: all .25s; }
.toc a span { font-family: var(--mono); font-size: 11px; padding-top: 2px; }
.toc a.on { color: var(--text); border-left-color: var(--accent); }
.toc a.on span { color: var(--accent-ink); }
@media (max-width: 960px) { .r-layout { grid-template-columns: 1fr; gap: 0; padding-top: 60px; } .toc { display: none; } }

.finding { padding: 0 0 100px; scroll-margin-top: calc(var(--nav-h) + 30px); }
.finding-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; color: var(--accent-ink); }
.finding-head .line { flex: 1; height: 1px; background: var(--line); }
.finding h2 { font-size: clamp(28px, 3.4vw, 48px); max-width: 820px; }
.finding .body { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 32px; align-items: start; }
.finding .body p { color: var(--muted); font-size: 17px; line-height: 1.5; }
.finding .body p + p { margin-top: 14px; }
.viz { background: var(--mist); border-radius: var(--radius); padding: 24px; position: relative; }
.viz svg { width: 100%; height: auto; }
.viz svg text { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.02em; text-transform: uppercase; }
.viz .cap { margin-top: 14px; color: var(--dim); }
@media (max-width: 860px) { .finding .body { grid-template-columns: 1fr; } }

.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.vs > div { background: var(--mist); border-radius: var(--radius); padding: 22px; }
.vs > div.win { background: var(--accent-soft); }
.vs .verdict { font-family: var(--heading); font-size: 28px; letter-spacing: -0.03em; margin: 14px 0 6px; }
.vs p { font-size: 14px !important; color: var(--muted) !important; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.stat-grid > div { background: var(--mist); border-radius: var(--radius); padding: 28px; }
.stat-grid .v { font-family: var(--heading); font-weight: 300; font-size: clamp(48px, 5.4vw, 80px); letter-spacing: -0.04em; line-height: 1; margin: 18px 0 10px; }
.stat-grid p { color: var(--muted); font-size: 15px; line-height: 1.45; }
@media (max-width: 600px) { .stat-grid { grid-template-columns: 1fr; } }

.matrix { display: grid; gap: 18px; }
.matrix-row { display: grid; grid-template-columns: 110px 1fr; gap: 16px; align-items: center; }
.matrix .chip { background: var(--white); }
.matrix .chip.on { background: var(--accent-soft); }

/* ---------- references ---------- */
sup.fn { font-family: var(--mono); font-size: 10px; color: var(--accent-ink); margin-left: 2px; vertical-align: super; line-height: 0; }
sup.fn a { text-decoration: none; }
.refs { padding: 60px 0 20px; }
.refs ol { list-style: none; counter-reset: r; display: grid; gap: 10px; max-width: 860px; }
.refs li { counter-increment: r; position: relative; padding-left: 34px; font-size: 13.5px; line-height: 1.5; color: var(--muted); scroll-margin-top: 100px; }
.refs li::before { content: "[" counter(r) "]"; position: absolute; left: 0; top: 3px; font-family: var(--mono); font-size: 11px; color: var(--accent-ink); }
.refs a { color: var(--accent-ink); }
.unknowns { background: var(--mist); border-radius: var(--radius); padding: 28px 32px; }
.unknowns ol { list-style: none; counter-reset: u; display: grid; gap: 12px; }
.unknowns li { counter-increment: u; position: relative; padding-left: 34px; font-size: 16px; line-height: 1.45; }
.unknowns li::before { content: "0" counter(u); position: absolute; left: 0; top: 4px; font-family: var(--mono); font-size: 12px; color: var(--accent-ink); }

/* ---------- team ---------- */
.team-group { padding: 70px 0 30px; }
.team-group-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--line); gap: 20px; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 1000px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .team-grid { grid-template-columns: 1fr; } }

.unit { background: var(--mist); border-radius: var(--radius); position: relative; overflow: hidden; transition: transform .3s; display: flex; flex-direction: column; }
.unit:hover { transform: translateY(-4px); }
.portrait { aspect-ratio: 5 / 4; position: relative; overflow: hidden; background: var(--n200); }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.unit-body { padding: 22px 22px 18px; display: flex; flex-direction: column; flex: 1; }
.unit-body .role { color: var(--accent-ink); margin-bottom: 8px; }
.unit-body h3 { font-size: 24px; letter-spacing: -0.02em; }
.unit-body .hook { margin: 10px 0 16px; font-size: 16px; line-height: 1.4; color: var(--muted); }
.unit-body .chips { margin-bottom: 18px; }
.unit-body .chip { background: var(--white); }
.unit details { margin-top: auto; border-top: 1px solid var(--n200); }
.unit summary { list-style: none; cursor: pointer; padding: 14px 0 2px; display: flex; justify-content: space-between; color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
.unit summary::-webkit-details-marker { display: none; }
.unit summary:hover { color: var(--text); }
.unit summary .plus { transition: transform .25s; }
.unit details[open] summary .plus { transform: rotate(45deg); }
.unit details p { color: var(--muted); font-size: 14.5px; padding: 10px 0 6px; line-height: 1.55; }

.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.why > div { background: var(--mist); border-radius: var(--radius); padding: 28px 24px; }
.why .w { font-family: var(--heading); font-size: 28px; letter-spacing: -0.02em; margin-top: 30px; }
@media (max-width: 760px) { .why { grid-template-columns: 1fr; } }

.role-row { display: grid; grid-template-columns: 1fr auto auto auto; gap: 32px; align-items: center; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s; }
.role-row:hover { background: var(--gray); }
.role-row .t { font-family: var(--heading); font-size: clamp(24px, 2.6vw, 34px); letter-spacing: -0.02em; }
@media (max-width: 760px) { .role-row { grid-template-columns: 1fr; gap: 12px; } }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(20px); transition: opacity .8s cubic-bezier(.2,.7,.1,1), transform .8s cubic-bezier(.2,.7,.1,1); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .08s; } .rv.d2 { transition-delay: .16s; } .rv.d3 { transition-delay: .24s; }

/* hero intro — pure CSS, never blocks on JS */
.boot { opacity: 0; transform: translateY(16px); animation: boot .9s cubic-bezier(.2,.7,.1,1) forwards; }
.boot.b2 { animation-delay: .12s; } .boot.b3 { animation-delay: .24s; } .boot.b4 { animation-delay: .36s; }
@keyframes boot { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv, .boot { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}