:root {
  --ink: #17221d;
  --muted: #66706a;
  --paper: #f4f1e8;
  --paper-2: #ece8dc;
  --white: #fffdf7;
  --green: #174d38;
  --green-2: #2f7a57;
  --lime: #c9ed72;
  --blue: #4657c6;
  --blue-soft: #e8ebff;
  --orange: #f16c4f;
  --orange-soft: #fff0e9;
  --line: rgba(23, 34, 29, .16);
  --radius: 24px;
  --shadow: 0 24px 80px rgba(23, 34, 29, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; display: block; }
.grain { position: fixed; inset: 0; pointer-events: none; opacity: .03; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { height: 76px; width: min(1320px, calc(100% - 48px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); position: relative; z-index: 10; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; font-size: 17px; letter-spacing: -.03em; }
.brand-mark { width: 24px; height: 24px; position: relative; display: inline-block; }
.brand-mark i { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.brand-mark i:nth-child(1) { left: 0; top: 8px; }
.brand-mark i:nth-child(2) { right: 0; top: 0; background: var(--orange); }
.brand-mark i:nth-child(3) { right: 0; bottom: 0; background: var(--blue); }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; height: 1.5px; width: 13px; left: 6px; background: var(--ink); transform-origin: left center; }
.brand-mark::before { top: 11px; transform: rotate(-31deg); }.brand-mark::after { top: 12px; transform: rotate(31deg); }
.site-header nav { display: flex; gap: 34px; font-size: 14px; font-weight: 650; }
.site-header nav a { position: relative; }.site-header nav a::after { content: ""; position: absolute; height: 1px; left: 0; right: 100%; bottom: -5px; background: var(--ink); transition: right .25s; }.site-header nav a:hover::after { right: 0; }
.header-paper { font-size: 14px; border-bottom: 1px solid var(--ink); padding: 8px 0 5px; font-weight: 750; }

.hero { min-height: 700px; padding: 104px 0 92px; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 72px; }
.eyebrow, .kicker { text-transform: uppercase; font-size: 11px; letter-spacing: .16em; font-weight: 800; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--green); margin-bottom: 28px; }.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--green-2); box-shadow: 0 0 0 5px rgba(47,122,87,.12); }
h1, h2, blockquote { font-family: Georgia, "Times New Roman", serif; letter-spacing: -.05em; font-weight: 400; }
h1 { font-size: clamp(58px, 6.2vw, 91px); line-height: .93; margin: 0; max-width: 790px; } h1 em, h2 em, blockquote em { color: var(--green-2); }
.dek { font-size: 19px; line-height: 1.65; color: var(--muted); max-width: 660px; margin: 33px 0; }.dek strong { color: var(--ink); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { border-radius: 999px; padding: 13px 20px; display: inline-flex; align-items: center; justify-content: center; gap: 26px; font-size: 14px; font-weight: 750; border: 1px solid var(--ink); transition: transform .2s, box-shadow .2s, background .2s; }.button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(23,34,29,.13); }.button-dark { background: var(--ink); color: var(--white); }.button-light { background: transparent; }.button.disabled { opacity: .55; pointer-events: none; }
.hero-visual { position: relative; height: 500px; border-radius: 50%; background: radial-gradient(circle, #fffdf8 0 44%, rgba(255,253,248,0) 70%); }
.hero-visual svg { width: 100%; height: 100%; overflow: visible; }.hero-links path { fill: none; stroke: url(#flow); stroke-width: 2; opacity: .4; stroke-dasharray: 5 5; animation: dash 10s linear infinite; }.hero-nodes circle { stroke-width: 5; }.hero-nodes.anchors circle { fill: var(--blue-soft); stroke: var(--blue); }.hero-nodes.probes circle { fill: var(--orange-soft); stroke: var(--orange); }
@keyframes dash { to { stroke-dashoffset: -100; } }
.temperature-label { position: absolute; top: 23px; font-size: 10px; letter-spacing: .16em; font-weight: 800; display: flex; align-items: center; gap: 8px; }.temperature-label b { font-size: 13px; letter-spacing: 0; border-radius: 99px; padding: 6px 9px; }.temperature-label.cool { left: 8%; color: var(--blue); }.temperature-label.cool b { background: var(--blue-soft); }.temperature-label.hot { right: 4%; color: var(--orange); }.temperature-label.hot b { background: var(--orange-soft); }
.visual-caption { position: absolute; left: 50%; bottom: 9px; transform: translateX(-50%); width: max-content; background: rgba(255,253,247,.85); backdrop-filter: blur(8px); padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; }.signal-dot { width: 7px; height: 7px; display: inline-block; background: var(--lime); border-radius: 50%; margin-right: 7px; }

.demo-section { background: var(--ink); color: var(--white); padding: 104px 0 110px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; margin-bottom: 50px; }.section-heading h2 { font-size: clamp(48px, 5.4vw, 76px); line-height: .98; margin: 13px 0 0; }.section-heading > p { width: 440px; color: #717b75; line-height: 1.7; margin: 0 0 5px; }
.demo-heading > p { color: #adb6b0; }.kicker { color: var(--green-2); }.kicker-light { color: var(--lime); }
.demo-card { background: #fbf9f2; color: var(--ink); border-radius: 28px; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,.28); }
.demo-toolbar { display: flex; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line); background: #f5f2e9; }
.example-picker { display: flex; align-items: center; gap: 13px; }.tab-caption { color: var(--muted); font-size: 9px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }.example-tabs { display: flex; gap: 7px; padding: 5px; background: #e8e5db; border: 1px solid rgba(23,34,29,.13); border-radius: 999px; }.example-tab, .replay { border: 0; background: transparent; color: #555f59; padding: 10px 15px; border-radius: 99px; font-size: 12px; font-weight: 800; cursor: pointer; }.example-tab span { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #43a876; margin-right: 6px; box-shadow: 0 0 0 3px rgba(67,168,118,.13); }.example-tab:nth-child(2) span { background: var(--orange); box-shadow: 0 0 0 3px rgba(241,108,79,.13); }.example-tab.active { color: var(--ink); background: white; box-shadow: 0 2px 10px rgba(23,34,29,.13); }.replay:hover { color: var(--ink); background: white; }.replay span { font-size: 17px; vertical-align: -1px; }
.stepper { display: grid; grid-template-columns: repeat(4,1fr); border-bottom: 1px solid var(--line); }.step { border: 0; border-right: 1px solid var(--line); background: #fbf9f2; display: flex; align-items: center; gap: 11px; padding: 18px 22px; cursor: pointer; color: #9ba19d; text-align: left; transition: color .3s, background .3s; position: relative; }.step:last-child { border-right: 0; }.step b { font-size: 9px; letter-spacing: .12em; border: 1px solid currentColor; border-radius: 50%; width: 25px; height: 25px; display: grid; place-items: center; }.step span { font-size: 13px; font-weight: 800; }.step.active { color: var(--ink); background: white; }.step.active::after { content: ""; position: absolute; height: 3px; background: var(--green-2); left: 0; bottom: -1px; animation: stepProgress 2.35s linear forwards; }.demo-card.paused .step.active::after { animation: none; width: 100%; }.step.complete { color: var(--green-2); }
@keyframes stepProgress { from { width: 0; } to { width: 100%; } }
.demo-stage { display: grid; grid-template-columns: .8fr 1.4fr 1.25fr .85fr; min-height: 430px; }.demo-stage > article { padding: 28px 24px; border-right: 1px solid var(--line); opacity: .22; filter: grayscale(1); transform: translateY(5px); transition: opacity .5s, filter .5s, transform .5s, background .5s; }.demo-stage > article:last-child { border-right: 0; }.demo-stage > article.visible { opacity: 1; filter: none; transform: none; }.demo-stage > article.current { background: rgba(255,255,255,.62); }
.pane-label { text-transform: uppercase; letter-spacing: .1em; font-size: 9px; font-weight: 850; color: var(--muted); display: flex; align-items: center; gap: 7px; }.pane-label span { display: grid; place-items: center; width: 23px; height: 23px; border: 1px solid currentColor; border-radius: 50%; }.pane-label small { margin-left: auto; letter-spacing: 0; text-transform: none; font-size: 9px; }.cool-label { color: var(--blue); }.hot-label { color: var(--orange); }
.prompt-pane > p { font-family: Georgia, serif; font-size: 25px; line-height: 1.25; margin: 28px 0; }.greedy-answer { border-top: 1px solid var(--line); padding-top: 18px; display: flex; flex-direction: column; gap: 6px; }.greedy-answer span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }.greedy-answer strong { font-size: 19px; }
.samples-pane { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }.sample-column + .sample-column { border-left: 1px solid var(--line); padding-left: 18px; }.response-list { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }.response { border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: 9px; background: white; padding: 9px 10px; font-size: 11px; line-height: 1.3; display: flex; gap: 7px; align-items: center; opacity: 0; transform: translateY(5px); }.visible .response { animation: responseIn .38s forwards; animation-delay: calc(var(--i) * .1s); }.probes-column .response { border-left-color: var(--orange); }.response i { font-style: normal; font-size: 8px; color: var(--muted); min-width: 15px; }.response.drift { background: #fff4ef; }
@keyframes responseIn { to { opacity: 1; transform: none; } }
.graph-pane { min-width: 0; }.graph-wrap { margin-top: 20px; }.graph-wrap svg { display: block; width: 100%; overflow: visible; }.graph-link { fill: none; stroke: #4f8068; stroke-width: 3px; stroke-linecap: round; opacity: calc(.12 + var(--weight) * .7); stroke-dasharray: 0 9; }.visible .graph-link { animation: revealLine .65s both; animation-delay: calc(var(--i) * .035s); }.graph-node.anchor { fill: var(--blue); }.graph-node.probe { fill: var(--orange); }.graph-node-label { fill: white; font: 700 11px Inter, sans-serif; text-anchor: middle; dominant-baseline: middle; }.graph-side-label { fill: var(--muted); font: 800 9px Inter, sans-serif; letter-spacing: 1px; }.graph-legend { font-size: 8px; color: var(--muted); display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; justify-content: center; }.node-key, .agreement-key { display: inline-flex; align-items: center; gap: 5px; }.graph-legend .legend-node { width: 8px; height: 8px; border: 0; border-radius: 50%; display: inline-block; opacity: 1; }.graph-legend .anchor-key { background: var(--blue); }.graph-legend .probe-key { background: var(--orange); }.graph-legend .legend-edge { width: 34px; height: 4px; border: 0; display: inline-block; background: radial-gradient(circle, #4f8068 1.5px, transparent 1.7px) 0 50% / 8px 4px repeat-x; }.graph-legend .low-edge { opacity: .22; }.graph-legend .high-edge { opacity: .82; }
@keyframes revealLine { from { opacity: 0; } }
.score-pane { display: flex; flex-direction: column; justify-content: space-between; }.score-copy > p { color: var(--muted); font-size: 12px; line-height: 1.5; margin: 22px 0 14px; }.formula { font-family: Georgia, serif; font-size: 18px; display: flex; align-items: center; gap: 6px; }.fraction { display: inline-flex; flex-direction: column; font-size: 12px; text-align: center; line-height: 1.3; }.fraction > span:first-child { border-bottom: 1px solid var(--ink); }.formula-legend { margin: 15px 0 5px; display: grid; gap: 6px; }.formula-legend > div { display: grid; grid-template-columns: 44px 1fr; gap: 6px; align-items: baseline; }.formula-legend dt { font-family: Georgia, serif; font-size: 11px; font-weight: 700; }.formula-legend dd { margin: 0; color: var(--muted); font-size: 8px; line-height: 1.25; }
.score-dial-wrap { text-align: center; }.score-dial { --score: 12%; width: 145px; aspect-ratio: 1; margin: 15px auto; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--green-2) var(--score), #dde1dc 0); position: relative; transform: scale(.8); opacity: 0; }.score-dial::before { content: ""; position: absolute; inset: 11px; border-radius: 50%; background: #fbf9f2; }.visible .score-dial { animation: dialIn .55s forwards .2s; }.score-dial > div { z-index: 1; display: flex; flex-direction: column; }.score-dial span { font-family: Georgia, serif; font-size: 35px; letter-spacing: -.05em; }.score-dial small { font-size: 7px; letter-spacing: .12em; font-weight: 800; color: var(--muted); }.score-dial-wrap > p { font-size: 10px; color: var(--muted); }.score-dial-wrap > p b { color: var(--green-2); margin-right: 4px; }.demo-card[data-state="uncertain"] .score-dial { background: conic-gradient(var(--orange) var(--score), #dde1dc 0); }.demo-card[data-state="uncertain"] .score-dial-wrap > p b { color: var(--orange); }
@keyframes dialIn { to { transform: scale(1); opacity: 1; } }

.properties-section { background: var(--green); color: white; padding: 115px 0; }.properties-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: center; }.properties-copy h2 { font-size: clamp(58px, 6vw, 82px); line-height: .95; margin: 18px 0 28px; }.properties-copy p { color: #bbcbc1; line-height: 1.7; max-width: 360px; }.property-stack { border-top: 1px solid rgba(255,255,255,.2); }.property-stack article { display: grid; grid-template-columns: 56px 1fr auto; gap: 20px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.2); padding: 27px 0; }.property-stack article > span { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); color: var(--lime); font-family: Georgia, serif; font-size: 21px; }.property-stack h3 { margin: 0 0 6px; font-size: 18px; }.property-stack p { margin: 0; font-size: 12px; color: #a9beb1; line-height: 1.5; }.property-stack article > b { font-family: Georgia, serif; color: var(--lime); font-size: 20px; }

.results-section { padding: 130px 0 100px; }.result-hero { display: grid; grid-template-columns: .65fr 1.35fr; gap: 60px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 48px 0; }.big-result { border-right: 1px solid var(--line); padding-right: 55px; }.big-result strong { font-family: Georgia, serif; font-weight: 400; font-size: clamp(100px, 13vw, 170px); line-height: .8; letter-spacing: -.09em; color: var(--green-2); }.big-result strong span { font-size: .34em; letter-spacing: -.02em; color: var(--ink); }.big-result p { max-width: 270px; font-size: 14px; color: var(--muted); line-height: 1.55; margin-top: 35px; }.result-bars { display: flex; flex-direction: column; gap: 29px; }.bar-group { display: grid; grid-template-columns: 115px 1fr; gap: 20px; }.bar-title { display: flex; flex-direction: column; font-size: 13px; }.bar-title span { font-size: 9px; color: var(--muted); margin-top: 4px; }.bars { display: flex; flex-direction: column; gap: 6px; }.bars > div { width: var(--w); min-width: 190px; height: 30px; display: flex; justify-content: space-between; align-items: center; padding: 0 9px; border-radius: 4px; font-size: 10px; animation: growBar .9s ease-out both; transform-origin: left; }.bars .baseline { background: #dddcd5; color: #555e59; }.bars .sure { background: var(--green-2); color: white; }.bars b { font-size: 11px; }
@keyframes growBar { from { transform: scaleX(.05); } }
.coverage-row { display: grid; grid-template-columns: repeat(3,1fr); border-bottom: 1px solid var(--line); }.coverage-row > div { padding: 32px 25px; border-right: 1px solid var(--line); display: flex; align-items: center; gap: 15px; }.coverage-row > div:last-child { border-right: 0; }.coverage-row span { font-family: Georgia, serif; color: var(--green-2); font-size: 42px; }.coverage-row p { color: var(--muted); font-size: 11px; line-height: 1.4; max-width: 130px; }.results-note { font-size: 10px; color: #8b918d; margin: 15px 0 0; }

.evidence-section { background: var(--paper-2); padding: 105px 0 115px; }.figure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }.figure-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(23,34,29,.1); transition: transform .3s, box-shadow .3s; }.figure-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }.figure-image { height: 300px; display: grid; place-items: center; overflow: hidden; background: white; border-bottom: 1px solid var(--line); padding: 17px; }.figure-image img { width: 100%; height: 100%; object-fit: contain; }.figure-card > div:last-child { padding: 26px; position: relative; }.figure-card span { color: var(--green-2); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }.figure-card h3 { margin: 9px 0 6px; font-size: 21px; }.figure-card p { color: var(--muted); font-size: 12px; margin: 0; }.figure-card b { position: absolute; right: 25px; top: 33px; font-size: 19px; }
.citation-section { background: var(--ink); color: white; padding: 95px 0; }.citation-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 90px; }.citation-grid h2 { font-size: 58px; margin: 15px 0; }.citation-grid p { color: #a9b2ad; font-size: 13px; line-height: 1.6; max-width: 300px; }.code-card { background: #233029; border: 1px solid rgba(255,255,255,.13); border-radius: 15px; position: relative; overflow: auto; }.code-card pre { margin: 0; padding: 31px; color: #d7e2da; font: 12px/1.8 Consolas, monospace; }.code-card button { position: absolute; right: 12px; top: 12px; color: var(--lime); background: #17221d; border: 1px solid rgba(255,255,255,.15); border-radius: 7px; padding: 7px 10px; font-size: 9px; font-weight: 800; cursor: pointer; }
.site-footer { height: 110px; display: flex; align-items: center; justify-content: space-between; }.site-footer p, .site-footer > a:last-child { font-size: 11px; color: var(--muted); }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; gap: 25px; padding-top: 75px; }.hero-visual { height: 420px; max-width: 680px; width: 100%; margin: auto; }.demo-stage { grid-template-columns: 1fr 1.3fr; }.demo-stage > article:nth-child(2) { border-right: 0; }.demo-stage > article { border-bottom: 1px solid var(--line); }.properties-grid { gap: 50px; }.citation-grid { gap: 40px; }
}
@media (max-width: 760px) {
  .shell, .site-header { width: min(100% - 28px, 1180px); }.site-header nav { display: none; }.header-paper { font-size: 12px; }.hero { min-height: auto; padding: 65px 0 70px; }.hero-copy { text-align: center; }.eyebrow { justify-content: center; }.dek { font-size: 16px; }.hero-actions { justify-content: center; }.hero-visual { height: 330px; }.visual-caption { font-size: 9px; }.section-heading { display: block; }.section-heading > p { width: auto; margin-top: 23px; }.demo-section { padding: 74px 0; }.demo-toolbar { align-items: center; flex-wrap: wrap; gap: 10px; }.example-picker { align-items: flex-start; flex-direction: column; gap: 6px; }.example-tabs { flex-direction: row; }.example-tab { padding: 9px 11px; font-size: 11px; }.replay { align-self: start; }.step { padding: 14px 8px; justify-content: center; }.step b { display: none; }.demo-stage { grid-template-columns: 1fr; }.demo-stage > article { border-right: 0; }.samples-pane { min-height: 360px; }.properties-section { padding: 85px 0; }.properties-grid { grid-template-columns: 1fr; }.property-stack article { grid-template-columns: 48px 1fr; }.property-stack article > b { grid-column: 2; }.result-hero { grid-template-columns: 1fr; }.big-result { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 30px; }.bar-group { grid-template-columns: 82px 1fr; }.coverage-row { grid-template-columns: 1fr; }.coverage-row > div { border-right: 0; }.figure-grid { grid-template-columns: 1fr; }.citation-grid { grid-template-columns: 1fr; }.site-footer p { display: none; }.code-card pre { font-size: 10px; padding: 25px 18px; }
}
@media (max-width: 450px) {
  h1 { font-size: 48px; }.hero-visual { height: 265px; }.temperature-label { top: 4px; }.visual-caption { bottom: 0; }.demo-stage > article { padding: 22px 17px; }.samples-pane { grid-template-columns: 1fr; }.sample-column + .sample-column { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }.coverage-row { grid-template-columns: 1fr; }.coverage-row > div { border-right: 0; }.figure-image { height: 220px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}