/* OPSIN concept, light edition */
:root {
  /* Layout idea: a lab notebook on paper. Ink for structure, two lights for meaning, one figure per claim. */
  --paper: #f6f6f2;
  --ink: #0e1316;
  --excite: #1f6fe5;     /* 470 nm, set for paper */
  --inhibit: #d98200;    /* 590 nm, set for paper */
  --chain: #138a7d;      /* anything on chain */
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --white: #ffffff;
  --ink-2: #3a4549;
  --dim: #69767a;
  --faint: #9aa4a6;
  --line: #e3e3db;
  --line-2: #cdcdc3;
  --eyespot: #f05a28;
  --alga: #4f8c13;
  --unres: #6d54e8;
  --ex-soft: #e8f0fe;
  --in-soft: #fcf0d9;
  --chain-soft: #e2f2ef;
  --burn-soft: #fde9e1;
  --r: 14px;
  --r-lg: 20px;
  --max: 1200px;
  --gut: clamp(18px, 4vw, 48px);
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16.5px/1.6 var(--sans); overflow-x: clip; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
p, h1, h2, h3, ol, ul, figure, blockquote { margin: 0; }
ol, ul { padding: 0; list-style: none; }
b { font-weight: 600; }
::selection { background: rgba(31, 111, 229, .18); }
:focus-visible { outline: 2px solid var(--excite); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: calc(var(--max) + 2 * var(--gut)); margin-inline: auto; padding-inline: var(--gut); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 10px; text-decoration: none; }
.skip:focus { top: 12px; }

/* ---------- type ---------- */
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.02em; text-wrap: balance; color: var(--ink); }
h1 { font-size: clamp(42px, 4.9vw, 72px); line-height: 1.03; }
h2 { font-size: clamp(32px, 3.5vw, 50px); line-height: 1.06; }
h3 { font: 500 18px/1.3 var(--sans); letter-spacing: -.01em; color: var(--ink); }
.lede { font-size: clamp(17px, 1.35vw, 19px); line-height: 1.55; color: var(--ink-2); max-width: 34ch; }
.sub { font-size: 17px; line-height: 1.55; color: var(--ink-2); max-width: 46ch; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 11.5px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.eyebrow::before { content: ""; width: 7px; height: 7px; background: var(--ink); flex: none; }
.eyebrow.ex::before { background: var(--excite); }
.eyebrow.in::before { background: var(--inhibit); }
.eyebrow.alga::before { background: var(--alga); }
.eyebrow.chain::before { background: var(--chain); }
.caption { font: 400 12px/1.4 var(--mono); color: var(--faint); }
.lit { color: var(--excite); }

/* ---------- surfaces ---------- */
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); }
.frame { position: relative; }
.frame::before { content: ""; position: absolute; inset: -7px; pointer-events: none; z-index: 2;
  background:
    linear-gradient(var(--ink), var(--ink)) top left / 16px 1.5px no-repeat,
    linear-gradient(var(--ink), var(--ink)) top left / 1.5px 16px no-repeat,
    linear-gradient(var(--ink), var(--ink)) top right / 16px 1.5px no-repeat,
    linear-gradient(var(--ink), var(--ink)) top right / 1.5px 16px no-repeat,
    linear-gradient(var(--ink), var(--ink)) bottom left / 16px 1.5px no-repeat,
    linear-gradient(var(--ink), var(--ink)) bottom left / 1.5px 16px no-repeat,
    linear-gradient(var(--ink), var(--ink)) bottom right / 16px 1.5px no-repeat,
    linear-gradient(var(--ink), var(--ink)) bottom right / 1.5px 16px no-repeat; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; font: 500 15px/1 var(--sans); text-decoration: none; padding: 13px 18px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; transition: background-color .2s, border-color .2s, transform .25s var(--ease); }
.btn svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: #24303a; }
.btn-line { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-line:hover { border-color: var(--ink); }

/* ---------- nav ---------- */
.nav::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1.5px; background: var(--excite); transform-origin: 0 50%; transform: scaleX(0); }
@supports (animation-timeline: scroll()) { .nav::after { animation: readprog linear both; animation-timeline: scroll(root); } @keyframes readprog { to { transform: scaleX(1); } } }
.nav { position: sticky; top: 0; z-index: 50; background: rgba(246, 246, 242, .82); -webkit-backdrop-filter: blur(12px) saturate(1.2); backdrop-filter: blur(12px) saturate(1.2); border-bottom: 1px solid var(--line); }
.nav-row { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; text-decoration: none; color: var(--ink); }
.logo-o { width: 26px; height: 26px; margin-right: 1px; overflow: visible; }
.logo-t { font: 600 21px/1 var(--sans); letter-spacing: .05em; }
.logo-t.pre { margin-right: 1px; }
.logo-t.sp { margin-left: 7px; }
.wn svg { width: 12px; height: 12px; }
.wn:hover { color: var(--ink); border-color: var(--ink); }
.logo.swap { animation: swapin .5s var(--ease); }
@keyframes swapin { from { opacity: .2; transform: translateY(3px); } }
.wn { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; background: transparent; font: 500 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); border: 1px solid var(--line-2); padding: 5px 7px; border-radius: 6px; }
.links { display: flex; gap: 2px; margin-left: auto; }
.links a { font: 500 14px/1 var(--sans); color: var(--ink-2); text-decoration: none; padding: 9px 11px; border-radius: 8px; transition: background-color .2s, color .2s; }
.links a:hover { background: rgba(14, 19, 22, .05); color: var(--ink); }
.links a.on { color: var(--ink); background: rgba(14, 19, 22, .06); }
.nav-cta { padding: 10px 14px; font-size: 14px; }
@media (max-width: 900px) { .links { display: none; } .nav-cta { margin-left: auto; } }

/* ---------- hero ---------- */
.hero { position: relative; isolation: isolate; padding-block: clamp(48px, 7vw, 96px) 40px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background-image: radial-gradient(rgba(14, 19, 22, .13) 1px, transparent 1.3px); background-size: 22px 22px; -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 95%); mask-image: linear-gradient(180deg, #000 30%, transparent 95%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 24px; align-items: center; }
.hero-copy { display: grid; gap: 26px; align-self: center; position: relative; z-index: 2; }
.hero-vis { --bleed: calc(var(--gut) + max(0px, (100vw - var(--max) - 2 * var(--gut)) / 2)); position: relative; height: clamp(500px, 44vw, 620px); margin-right: calc(-1 * var(--bleed)); }
.field { position: absolute; inset: 0; width: 100%; height: 100%; display: block; -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%), linear-gradient(180deg, transparent, #000 12%, #000 86%, transparent); mask-image: linear-gradient(90deg, transparent, #000 18%), linear-gradient(180deg, transparent, #000 12%, #000 86%, transparent); -webkit-mask-composite: source-in; mask-composite: intersect; }
.hero-copy h1 { max-width: 12ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; }

.trial { position: absolute; left: 0; bottom: 14px; z-index: 3; width: min(330px, 100%); padding: 16px 16px 14px; border-radius: 16px; background: rgba(255, 255, 255, .9); border: 1px solid var(--line); box-shadow: 0 24px 60px -30px rgba(14, 19, 22, .35); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); display: grid; gap: 8px; }
.trial-top { display: flex; align-items: center; gap: 8px; font: 500 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.trial-n { margin-left: auto; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--excite); box-shadow: 0 0 0 3px rgba(31, 111, 229, .15); animation: blink 1.6s steps(2, jump-none) infinite; }
@keyframes blink { 50% { opacity: .3; } }
.trial-agent { font: 400 12px/1.2 var(--mono); color: var(--dim); margin-top: 4px; }
.trial-part { font: 500 20px/1.2 var(--sans); letter-spacing: -.015em; }
.trial-arm { display: flex; align-items: center; gap: 8px; font: 500 12.5px/1 var(--sans); color: var(--excite); }
.trial-pairs { margin-left: auto; font: 400 12px/1 var(--mono); color: var(--dim); }
.trial-pairs b { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.tsw { position: relative; width: 30px; height: 17px; border-radius: 9px; background: var(--excite); transition: background-color .2s; }
.tsw i { position: absolute; top: 2px; left: 15px; width: 13px; height: 13px; border-radius: 50%; background: #fff; transition: left .2s var(--ease); }
.trial-arm[data-arm="off"] { color: var(--inhibit); }
.trial-arm[data-arm="off"] .tsw { background: var(--inhibit); }
.trial-arm[data-arm="off"] .tsw i { left: 2px; }
.trial-ci { position: relative; height: 22px; margin-top: 6px; }
.trial-ci::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--line-2); }
.ci-band { position: absolute; top: 3px; bottom: 3px; left: 38.3%; width: 23.4%; background: rgba(14, 19, 22, .05); border-radius: 3px; }
.ci-zero { position: absolute; top: 0; bottom: 0; left: 50%; width: 1.5px; background: var(--ink); opacity: .5; }
.ci-bar { position: absolute; top: 6px; height: 10px; left: 30%; width: 40%; border-radius: 5px; background: rgba(31, 111, 229, .22); border: 1px solid var(--excite); transition: background-color .3s, border-color .3s; }
.ci-dot { position: absolute; top: 4px; left: 50%; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%; background: #fff; border: 2px solid var(--excite); transition: border-color .3s; }
.trial-ci[data-tone="inhibits"] .ci-bar { background: rgba(217, 130, 0, .2); border-color: var(--inhibit); }
.trial-ci[data-tone="inhibits"] .ci-dot { border-color: var(--inhibit); }
.trial-ci[data-tone="inert"] .ci-bar { background: rgba(14, 19, 22, .1); border-color: var(--dim); }
.trial-ci[data-tone="inert"] .ci-dot { border-color: var(--dim); }
.trial-ax { display: flex; justify-content: space-between; font: 400 10.5px/1 var(--mono); color: var(--faint); }
.trial-out { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 10px; margin-top: 2px; border-top: 1px solid var(--line); }
.trial-est { font: 500 22px/1 var(--sans); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.verdict { font: 600 11px/1 var(--mono); letter-spacing: .12em; padding: 7px 9px; border-radius: 6px; border: 1.5px solid currentColor; color: var(--dim); transition: color .3s, background-color .3s; }
.verdict[data-v="excites"] { color: var(--excite); background: var(--ex-soft); }
.verdict[data-v="inhibits"] { color: var(--inhibit); background: var(--in-soft); }
.verdict[data-v="inert"] { color: var(--ink-2); background: #eeeee8; }
.verdict[data-v="run"] { color: var(--dim); border-style: dashed; }

.creds { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); margin-top: 28px; }
.creds li { display: grid; gap: 4px; padding: 16px 18px 0 0; font-size: 14.5px; line-height: 1.4; color: var(--ink); }
.creds li + li { padding-left: 18px; border-left: 1px solid var(--line); }
.cred-k { font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }

/* ---------- sections ---------- */
.sec { padding-block: clamp(80px, 9vw, 132px); position: relative; }
.sec-white { background: var(--white); border-block: 1px solid var(--line); }
.sec-head { display: grid; gap: 18px; align-content: start; }
.sec-head.center { justify-items: center; text-align: center; margin-bottom: 48px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: center; }

/* problem */
.stack { display: grid; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--white); overflow: hidden; }
.stack li { display: grid; grid-template-columns: 112px 1fr auto; align-items: center; gap: 14px; padding: 17px 20px; border-top: 1px solid var(--line); }
.stack li:first-child { border-top: 0; }
.st-k { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.st-v { font-size: 16px; color: var(--ink); }
.st-s { display: inline-flex; align-items: center; gap: 6px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 6px 8px; border-radius: 6px; }
.st-s.live { color: var(--chain); background: var(--chain-soft); }
.st-gap { position: relative; overflow: hidden; background: linear-gradient(90deg, var(--ex-soft), #fff 70%); box-shadow: inset 3px 0 0 var(--excite); }
.st-gap::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 30%, rgba(31, 111, 229, .14) 50%, transparent 70%); transform: translateX(-100%); animation: sweep 4.8s var(--ease) infinite 1s; pointer-events: none; }
@keyframes sweep { 0% { transform: translateX(-100%); } 45%, 100% { transform: translateX(100%); } }
.st-gap .st-k { color: var(--excite); }
.st-gap .st-v { font-weight: 500; }
.st-s.gap { color: #fff; background: var(--ink); padding: 6px 9px 6px 7px; }
.st-mark { width: 15px; height: 15px; color: #fff; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--ink); }
.stat { display: grid; gap: 8px; padding: 22px 24px 0 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }
.stat b { font: 400 clamp(40px, 4.4vw, 60px)/1 var(--serif); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat span { font-size: 15px; color: var(--ink-2); max-width: 26ch; }
.src-line { margin-top: 18px; font: 400 12px/1.4 var(--mono); color: var(--faint); }

/* science */
.split-sci { align-items: center; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.ncell { display: block; width: 100%; height: 300px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); }
.quote { font: italic 400 20px/1.45 var(--serif); color: var(--ink-2); padding-left: 16px; border-left: 2px solid var(--excite); max-width: 34ch; }
.neuron { padding: 16px; display: grid; gap: 12px; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); justify-self: start; }
.seg-b { display: inline-flex; align-items: center; gap: 8px; font: 500 13.5px/1 var(--sans); color: var(--ink-2); background: transparent; border: 0; padding: 9px 12px; border-radius: 9px; cursor: pointer; transition: background-color .2s, color .2s, box-shadow .2s; }
.seg-b:hover { color: var(--ink); }
.seg-b[aria-checked="true"] { background: var(--white); color: var(--ink); box-shadow: 0 1px 2px rgba(14, 19, 22, .12), 0 0 0 1px var(--line); }
.sd { width: 9px; height: 9px; border-radius: 50%; }
.sd.b { background: var(--excite); } .sd.a { background: var(--inhibit); } .sd.d { background: var(--white); box-shadow: inset 0 0 0 1.5px var(--line-2); }
.trace-wrap { position: relative; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); overflow: hidden; }
.trace { display: block; width: 100%; height: 210px; }
.trace-l { position: absolute; top: 8px; right: 10px; font: 400 10.5px var(--mono); color: var(--faint); }
.neuron-cap { font-size: 15px; color: var(--ink-2); min-height: 1.6em; }
.mapping { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: clamp(40px, 5vw, 64px); }
.mapping li { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 16px; border-radius: var(--r); border: 1px solid var(--line); background: var(--paper); font-size: 15px; }
.mapping svg { width: 15px; height: 15px; color: var(--faint); flex: none; }
.mp-a { color: var(--dim); }
.mp-b { color: var(--ink); font-weight: 500; }
.mp-b.ex { color: var(--excite); }
.mp-b.in { color: var(--inhibit); }

/* method */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step { display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; padding: 22px; }
.step-n { font: 500 12px/1 var(--mono); color: var(--faint); }
.step h3 { font: 400 28px/1.1 var(--serif); letter-spacing: -.015em; }
.step p { color: var(--ink-2); font-size: 15.5px; }
.fig { height: 92px; margin-top: 10px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); position: relative; }
.fig-switch { display: flex; align-items: center; justify-content: space-between; padding: 0 16px; }
.fig-switch .task { font: 500 12px/1 var(--mono); color: var(--ink); padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 8px; background: #fff; }
.fig-switch .arm { font: 600 11px/1 var(--mono); letter-spacing: .1em; padding: 8px 10px; border-radius: 8px; }
.fig-switch .arm.on { color: var(--excite); background: var(--ex-soft); box-shadow: inset 0 0 0 1.5px var(--excite); }
.fig-switch .arm.off { color: var(--inhibit); background: var(--in-soft); box-shadow: inset 0 0 0 1.5px var(--inhibit); }
.fig-switch::before, .fig-switch::after { content: ""; position: absolute; top: 50%; height: 1.5px; background: repeating-linear-gradient(90deg, var(--line-2) 0 4px, transparent 4px 8px); }
.fig-switch::before { left: 74px; right: calc(50% + 38px); }
.fig-switch::after { right: 82px; left: calc(50% + 38px); }
.fig-measure { padding: 14px 16px; display: grid; align-content: space-around; }
.fm-zero { position: absolute; top: 10px; bottom: 10px; left: 32%; width: 1.5px; background: var(--ink); opacity: .35; }
.fm-bar { position: relative; height: 8px; margin-left: var(--l); width: calc(var(--r) - var(--l)); border-radius: 4px; background: rgba(31, 111, 229, .18); border: 1px solid rgba(31, 111, 229, .5); transform-origin: 70% 50%; }
.fig-measure .fm-bar { animation: narrow 5s var(--ease) infinite; }
.fig-measure .fm-bar:nth-of-type(3) { animation-delay: .25s; }
.fig-measure .fm-bar:nth-of-type(4) { animation-delay: .5s; }
@keyframes narrow { 0% { transform: scaleX(1.35); opacity: .35; } 35%, 100% { transform: scaleX(1); opacity: 1; } }
.fm-last { background: rgba(31, 111, 229, .35); border-color: var(--excite); }
.fig-prove { display: grid; grid-template-columns: auto 1fr; align-content: center; gap: 8px 14px; padding: 0 16px; font: 400 12.5px/1 var(--mono); }
.rc-k { color: var(--dim); }
.rc-v { color: var(--chain); font-weight: 500; }
.verdicts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.verdicts li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border-radius: var(--r); background: var(--white); border: 1px solid var(--line); }
.verdicts b { font: 600 11.5px/1 var(--mono); letter-spacing: .12em; padding: 7px 9px; border-radius: 6px; border: 1.5px solid currentColor; }
.verdicts span { font-size: 14.5px; color: var(--ink-2); }
.verdicts [data-v="excites"] b { color: var(--excite); background: var(--ex-soft); }
.verdicts [data-v="inert"] b { color: var(--ink-2); background: #eeeee8; }
.verdicts [data-v="inhibits"] b { color: var(--inhibit); background: var(--in-soft); }
.verdicts [data-v="unresolved"] b { color: var(--unres); border-style: dashed; }
.fair { margin: 28px auto 0; max-width: 60ch; text-align: center; font: 400 13px/1.55 var(--mono); color: var(--dim); }

/* lab */
.split-lab { grid-template-columns: minmax(0, .95fr) minmax(0, 1fr); }
.plate-fig { margin: 7px; background: var(--paper); border-radius: 4px; padding: 18px 18px 12px; }
.plate { display: block; width: 100%; aspect-ratio: 132 / 166; }
.plate-fig figcaption { display: flex; justify-content: space-between; gap: 12px; padding-top: 10px; border-top: 1px solid var(--line); font: 400 12px/1.3 var(--mono); color: var(--dim); }
.plate-fig figcaption span:first-child { font-style: italic; font-family: var(--serif); font-size: 15px; color: var(--ink-2); }
.lab-copy { display: grid; gap: 20px; }
.agent-id { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: var(--r); border: 1px solid var(--line); background: var(--paper); }
.agent-id div { display: grid; gap: 2px; }
.agent-id b { font-size: 16px; }
.agent-id div span { font: 400 12.5px/1.3 var(--mono); color: var(--dim); }
.agent-live { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--chain); }
.agent-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--chain); box-shadow: 0 0 0 3px rgba(19, 138, 125, .15); animation: blink 1.6s steps(2, jump-none) infinite; }
.feed { display: grid; border-top: 1px solid var(--line); }
.feed li { display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink-2); }
.feed time { font: 400 12.5px/1.75 var(--mono); color: var(--faint); }
.feed .hot { color: var(--ink); }
.feed .hot time { color: var(--excite); }
.feed li.new { animation: feedin .6s var(--ease); }
@keyframes feedin { from { background: var(--ex-soft); } to { background: transparent; } }
.principles { display: flex; flex-wrap: wrap; gap: 8px; }
.principles li { font: 500 12px/1 var(--mono); padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line-2); color: var(--ink-2); }

/* use cases */
.uses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 44px; }
.use { display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; padding: 22px; transition: border-color .25s, transform .35s var(--ease), box-shadow .35s var(--ease); }
.use:hover { border-color: var(--accent, var(--line-2)); transform: translateY(-3px); box-shadow: 0 22px 44px -32px rgba(14, 19, 22, .4); }
.use:nth-child(1) { --accent: var(--ink-2); } .use:nth-child(2) { --accent: var(--chain); } .use:nth-child(3) { --accent: var(--eyespot); }
.use:nth-child(4) { --accent: var(--excite); } .use:nth-child(5) { --accent: var(--alga); } .use:nth-child(6) { --accent: var(--ink); }
.use .who { transition: color .25s; } .use:hover .who { color: var(--accent); }
.who { font: 500 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.use h3 { font: 400 25px/1.15 var(--serif); letter-spacing: -.012em; }
.use p { font-size: 15.5px; color: var(--ink-2); }
.mini { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; padding: 12px 14px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); font: 400 12.5px/1.2 var(--mono); color: var(--ink-2); min-height: 50px; }
.mini-card { display: grid; grid-template-columns: 1fr auto; gap: 8px 10px; }
.mk { color: var(--dim); }
.mv { justify-self: end; color: var(--ink); font-weight: 500; }
.mv[data-v="inert"] { font-size: 11px; letter-spacing: .1em; padding: 4px 6px; border: 1.5px solid var(--ink-2); border-radius: 5px; background: #eeeee8; }
.mini-rule b { color: var(--ink); font-weight: 500; }
.mini .ok { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; color: var(--chain); font-weight: 500; }
.mini .ok svg { width: 14px; height: 14px; }
.mini-queue b { color: var(--excite); font-weight: 600; }
.mini-queue .burn { margin-left: auto; color: var(--eyespot); }
.mini-mkt { gap: 3px; flex-wrap: nowrap; padding: 10px; }
.mm { height: 30px; display: flex; align-items: center; padding: 0 8px; border-radius: 6px; flex: 0 0 var(--w); white-space: nowrap; overflow: hidden; font-size: 11.5px; }
.mm[data-v="excites"] { background: var(--ex-soft); color: var(--excite); box-shadow: inset 0 0 0 1px rgba(31, 111, 229, .35); }
.mm[data-v="inert"] { background: #eeeee8; color: var(--ink-2); }
.mm[data-v="inhibits"] { background: var(--in-soft); box-shadow: inset 0 0 0 1px rgba(217, 130, 0, .4); }
.mini-badge svg { width: 22px; height: 22px; color: var(--ink); }
.mini-badge span { color: var(--ink); }
.mini-cmd { color: var(--ink); }
.mini-cmd .ps { color: var(--alga); }
.band { margin: 56px 7px 0; }
.band img { width: 100%; aspect-ratio: 21 / 8; object-fit: cover; border-radius: 4px; }
.band figcaption { margin-top: 14px; font: italic 400 19px/1.4 var(--serif); color: var(--ink-2); }

/* token */
.split-token { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.rules { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.rules li { font: 500 12.5px/1 var(--mono); padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line-2); color: var(--ink-2); }
.rules .r-burn { color: var(--eyespot); border-color: rgba(240, 90, 40, .45); background: var(--burn-soft); }
.coin { justify-self: end; width: min(400px, 100%); perspective: 900px; }
.dot-coin { display: block; }
.dot-coin.big { width: 100%; aspect-ratio: 1; animation: coinwob 9s ease-in-out infinite; }
@keyframes coinwob { 0%, 100% { transform: rotateY(-12deg) rotateX(4deg); } 50% { transform: rotateY(12deg) rotateX(-3deg); } }
.dot-coin.mini { width: 52px; height: 52px; flex: none; }
.utils { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: clamp(44px, 5vw, 72px); border-top: 1px solid var(--ink); }
.util { display: grid; gap: 10px; padding: 22px 22px 0 0; align-content: start; }
.util + .util { padding-left: 22px; border-left: 1px solid var(--line); }
.u-k { font: 500 12px/1 var(--mono); color: var(--faint); }
.util h3 { font: 400 24px/1.15 var(--serif); letter-spacing: -.012em; }
.util p { font-size: 15px; color: var(--ink-2); }

/* launch */
.launch { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-top: 44px; }
.pair, .fees { padding: 22px; display: grid; gap: 16px; align-content: start; }
.pair-h { display: flex; align-items: center; gap: 12px; }
.pair-av { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); flex: none; }
.pair-av svg { width: 26px; height: 26px; color: #fff; }
.pair-h b { font: 600 19px/1.1 var(--sans); }
.slash { color: var(--faint); margin: 0 5px; }
.nvda { color: var(--alga); }
.pair-h p { font: 400 12px/1.4 var(--mono); color: var(--dim); margin-top: 4px; }
.chip { margin-left: auto; font: 500 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 7px 9px; border-radius: 6px; color: var(--alga); background: #edf6e1; }
.curve { width: 100%; height: auto; display: block; }
.cv-ax { stroke: var(--line-2); }
.cv-path { fill: none; stroke: var(--line-2); stroke-width: 2; stroke-dasharray: 4 5; }
.cv-path.on { stroke: var(--alga); stroke-dasharray: none; stroke-width: 2.5; }
.cv-dot { fill: #fff; stroke: var(--alga); stroke-width: 2; }
.cv-th { stroke: var(--chain); stroke-dasharray: 3 4; }
.curve text { font: 400 11px var(--mono); fill: var(--dim); }
.fees h3 { font: 400 26px/1.15 var(--serif); letter-spacing: -.012em; }
.feebar { display: flex; gap: 3px; height: 50px; }
.fb { display: flex; align-items: center; padding-left: 12px; border-radius: 8px; min-width: 0; }
.fb b { font: 600 13.5px/1 var(--mono); }
.fb.dir { background: var(--excite); color: #fff; }
.fb.burn { background: var(--eyespot); color: #fff; }
.fb.quote { background: #a4dc5c; }
.fb.rest { background: #dcdcd3; color: var(--ink); }
.fee-l { display: grid; gap: 10px; }
.fee-l li { display: grid; grid-template-columns: 12px auto 1fr; align-items: center; gap: 10px; font-size: 15px; }
.fee-l i { width: 12px; height: 12px; border-radius: 3px; }
.fee-l i.dir { background: var(--excite); } .fee-l i.burn { background: var(--eyespot); } .fee-l i.quote { background: #a4dc5c; } .fee-l i.rest { background: #dcdcd3; }
.fee-l span { color: var(--dim); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 16px; border-top: 1px solid var(--line); }
.facts div { display: grid; gap: 6px; padding: 18px 18px 0 0; }
.facts div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.facts b { font: 500 19px/1.1 var(--sans); letter-spacing: -.01em; }
.facts span { font-size: 14px; color: var(--dim); }

/* roadmap */
.road { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 44px; position: relative; }
.road::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1.5px; background: var(--line-2); }
.road li { position: relative; display: grid; gap: 6px; padding: 30px 24px 0 0; }
.road li::before { content: ""; position: absolute; top: 0; left: 0; width: 15px; height: 15px; border-radius: 50%; background: var(--white); border: 1.5px solid var(--ink); }
.road li.now::before { background: var(--excite); border-color: var(--excite); box-shadow: 0 0 0 5px var(--ex-soft); }
.road span { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.road .now span { color: var(--excite); }
.road b { font: 400 26px/1.1 var(--serif); font-weight: 400; letter-spacing: -.012em; }
.road p { font-size: 15px; color: var(--ink-2); }

/* decide */
.qs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 40px; }
.q { margin: 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--r); background: var(--white); display: grid; gap: 12px; min-width: 0; align-content: start; }
.q legend { float: left; width: 100%; padding: 0; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.opts { clear: both; display: flex; flex-wrap: wrap; gap: 8px; }
.opts label { cursor: pointer; }
.opts input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opts label > span { display: inline-flex; align-items: center; gap: 8px; font: 500 15px/1 var(--sans); padding: 10px 13px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--paper); transition: border-color .2s, background-color .2s, color .2s, box-shadow .2s; }
.opts i { font: 500 10px/1 var(--mono); font-style: normal; letter-spacing: .06em; text-transform: uppercase; color: var(--chain); }
.opts label:hover > span { border-color: var(--ink); }
.opts input:focus-visible + span { outline: 2px solid var(--excite); outline-offset: 2px; }
.opts input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.opts input:checked + span i { color: #9fe3d8; }
.opt-mk { width: 20px; height: 20px; color: currentColor; }
.q-note { font: 400 12px/1.3 var(--mono); color: var(--inhibit); }
.dev, .q-notes textarea { width: 100%; font: 400 15px/1.45 var(--sans); color: var(--ink); background: var(--paper); border: 1px solid var(--line-2); border-radius: 10px; padding: 10px 12px; }
.dev:focus, .q-notes textarea:focus { outline: none; border-color: var(--excite); box-shadow: 0 0 0 3px rgba(31, 111, 229, .15); }
.q-notes label { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.q-notes textarea { resize: vertical; }
.sum { grid-column: 1 / -1; padding: 18px; display: grid; gap: 12px; }
.sum-h { display: flex; justify-content: space-between; align-items: baseline; }
.sum-h b { font: 400 24px/1.2 var(--serif); }
.sum-h span { font: 400 12.5px var(--mono); color: var(--dim); }
#summary { width: 100%; font: 400 13.5px/1.6 var(--mono); color: var(--ink-2); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; resize: vertical; }
.sum-a { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; color: var(--dim); }

/* causal card */
.split-card { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
.card-notes { display: grid; gap: 10px; margin-top: 6px; }
.card-notes li { font-size: 15.5px; color: var(--ink-2); padding-left: 14px; border-left: 2px solid var(--line-2); }
.card-notes b { font-weight: 600; color: var(--ink); }
.card-notes b.ex { color: var(--excite); } .card-notes b.in { color: var(--inhibit); }
.ccard { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: 0 40px 80px -50px rgba(14, 19, 22, .45), 0 1px 0 rgba(14, 19, 22, .04); overflow: hidden; }
.cc-h { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.cc-av { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--ink); flex: none; }
.cc-av svg { width: 26px; height: 26px; color: #fff; }
.cc-id { display: grid; gap: 3px; }
.cc-id b { font: 600 18px/1.1 var(--sans); letter-spacing: -.01em; }
.cc-id span { font: 400 12px/1.3 var(--mono); color: var(--dim); }
.cc-score { margin-left: auto; display: grid; justify-items: end; gap: 2px; }
.cc-score span { font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.cc-score b { font: 400 36px/1 var(--serif); letter-spacing: -.02em; color: var(--chain); }
.cc-score small { font: 400 14px var(--sans); color: var(--dim); margin-left: 2px; }
.cc-row { display: grid; grid-template-columns: minmax(0, 1.5fr) 104px minmax(0, 1.3fr) 60px; align-items: center; gap: 14px; padding: 13px 20px; border-top: 1px solid var(--line); font-size: 14.5px; }
.cc-head { border-top: 0; padding-block: 10px; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); background: var(--paper); }
.cc-p { font: 400 13.5px/1.3 var(--mono); color: var(--ink); }
.vchip { justify-self: start; font: 600 10.5px/1 var(--mono); letter-spacing: .1em; padding: 6px 7px; border-radius: 5px; border: 1.5px solid currentColor; }
.vchip[data-v="excites"] { color: var(--excite); background: var(--ex-soft); }
.vchip[data-v="inert"] { color: var(--ink-2); background: #eeeee8; }
.vchip[data-v="inhibits"] { color: var(--inhibit); background: var(--in-soft); }
.cc-e { position: relative; display: flex; align-items: center; gap: 10px; font: 500 13.5px/1 var(--mono); font-variant-numeric: tabular-nums; }
.cc-e i { position: relative; flex: 1; height: 16px; min-width: 60px; order: 2; background: linear-gradient(var(--ink-2), var(--ink-2)) 50% 50% / 1.5px 12px no-repeat; }
.cc-e i::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--line-2); }
.cc-e i::after { content: ""; position: absolute; top: 4px; height: 8px; left: var(--l); width: calc(var(--r) - var(--l)); border-radius: 4px; background: currentColor; opacity: .35; }
.cc-row:nth-child(3) .cc-e, .cc-row:nth-child(4) .cc-e { color: var(--excite); }
.cc-row:nth-child(5) .cc-e { color: var(--ink-2); }
.cc-row:nth-child(6) .cc-e { color: var(--inhibit); }
.cc-t { font: 400 13.5px/1 var(--mono); color: var(--dim); text-align: right; }
.cc-t.warn { color: var(--inhibit); font-weight: 500; }
.cc-f { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 13px 20px; border-top: 1px solid var(--line); background: var(--paper); font: 400 12px/1.3 var(--mono); color: var(--dim); }
.cc-chain { color: var(--chain); }
.cc-chain::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--chain); margin-right: 7px; vertical-align: 1px; }
.cc-cap { margin-top: 14px; text-align: right; }
@media (max-width: 1000px) { .split-card { grid-template-columns: minmax(0, 1fr); } .cc-cap { text-align: left; } }
@media (max-width: 680px) {
  .cc-row { grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; }
  .cc-head { display: none; }
  .cc-e { grid-column: 1; } .cc-t { grid-column: 2; }
  .cc-score b { font-size: 30px; }
}

/* footer */
.foot { padding-block: 40px 56px; border-top: 1px solid var(--line); }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--dim); }
.logo-s .logo-o { width: 20px; height: 20px; }
.logo-s .logo-t { font-size: 16px; }
.srcs { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 18px; font: 400 12.5px/1.4 var(--mono); }
.srcs a { color: var(--dim); text-underline-offset: 3px; text-decoration-color: var(--line-2); }
.srcs a:hover { color: var(--ink); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-grid { gap: 8px; }
  .hero-vis { --bleed: var(--gut); height: auto; margin-inline: calc(-1 * var(--gut)); }
  .field { position: relative; height: 320px; -webkit-mask-image: linear-gradient(180deg, transparent, #000 12%, #000 82%, transparent); mask-image: linear-gradient(180deg, transparent, #000 12%, #000 82%, transparent); }
  .trial { position: relative; left: auto; bottom: auto; margin: -28px var(--gut) 0; width: auto; max-width: 440px; }
  .split-sci { grid-template-columns: minmax(0, 1fr); }
  .coin { justify-self: start; }
  .split, .split-lab, .split-token, .launch { grid-template-columns: minmax(0, 1fr); }
  .steps, .uses { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .verdicts, .mapping { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .utils { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .util:nth-child(3) { padding-left: 0; border-left: 0; }
  .util:nth-child(n+3) { margin-top: 18px; border-top: 1px solid var(--line); }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .creds, .stats, .facts { grid-template-columns: minmax(0, 1fr); }
  .creds li + li, .stat + .stat, .facts div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); margin-top: 14px; }
  .steps, .uses, .verdicts, .mapping, .qs, .utils, .road { grid-template-columns: minmax(0, 1fr); }
  .util + .util { padding-left: 0; border-left: 0; margin-top: 18px; border-top: 1px solid var(--line); }
  .road::before { left: 7px; right: auto; top: 0; bottom: 0; width: 1.5px; height: auto; }
  .road li { padding: 0 0 22px 32px; }
  .stack li { grid-template-columns: 92px 1fr; }
  .stack .st-s { grid-column: 2; justify-self: start; }
  .hero-copy h1 { max-width: none; }
  .wn { font-size: 0; gap: 0; padding: 6px; }
  .ncell { height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}