:root {
  --paper: #f5f2ec;
  --surface: #fbf8f3;
  --surface-soft: #eee8df;
  --line: #d9cec0;
  --text: #1f1813;
  --secondary: #514438;
  --muted: #7a6c5e;
  --accent: #9a4b2e;
  --accent-dark: #71341f;
  --moss: #5b6658;
  --display: "Crimson Text", Georgia, serif;
  --body: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
  --max: 1180px;
  --shadow: 0 18px 55px rgba(45, 30, 20, 0.09);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 3%, rgba(154, 75, 46, 0.09), transparent 25rem),
    radial-gradient(circle at 0% 42%, rgba(91, 102, 88, 0.07), transparent 24rem),
    var(--paper);
  font: 16px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  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='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 30; padding: 10px 14px; background: var(--text); color: white; }
.skip-link:focus { top: 12px; }

.nav { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: baseline; gap: 5px; color: var(--text); font: 700 28px/1 var(--display); text-decoration: none; letter-spacing: -0.04em; }
.brand em { color: var(--accent); }
.brand small { margin-left: 10px; color: var(--muted); font: 400 10px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--muted); font: 500 10px/1 var(--mono); letter-spacing: 0.11em; text-decoration: none; text-transform: uppercase; }
.nav-links a:hover { color: var(--text); }

.hero { padding: 88px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.75fr); gap: clamp(48px, 8vw, 110px); align-items: end; }
.eyebrow { color: var(--muted); font: 500 10px/1.2 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--display); letter-spacing: -0.045em; line-height: 0.98; }
h1 { max-width: 800px; margin-top: 20px; font-size: clamp(54px, 7vw, 92px); }
h1 em { color: var(--accent); font-weight: 600; }
h2 { font-size: clamp(36px, 5vw, 58px); }
h3 { font-size: 28px; }
.lede { max-width: 720px; margin: 30px 0 0; color: var(--secondary); font-size: clamp(17px, 2vw, 21px); line-height: 1.7; }
.prompt-card { max-width: 760px; margin: 32px 0 0; padding: 22px 24px; border-left: 3px solid var(--accent); background: rgba(251, 248, 243, 0.72); box-shadow: 0 10px 35px rgba(45, 30, 20, 0.05); }
.prompt-card figcaption { color: var(--accent); font: 500 10px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.prompt-card blockquote { margin: 12px 0 0; color: var(--text); font: 600 clamp(18px, 1.9vw, 22px)/1.55 var(--display); }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; gap: 16px; border-radius: 99px; padding: 13px 21px; color: #fff9f1; background: var(--accent); font-weight: 700; text-decoration: none; }
.button:hover { color: #fff9f1; background: var(--accent-dark); }
.text-link { font: 500 11px/1 var(--mono); letter-spacing: 0.06em; }
.answer-card { position: relative; padding: 28px; border: 1px solid var(--line); background: rgba(251, 248, 243, 0.78); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.answer-card::before { content: ""; position: absolute; width: 70px; height: 18px; top: -11px; left: 50%; background: rgba(217, 206, 192, 0.65); transform: translateX(-50%) rotate(-2deg); }
.answer-label { font: 500 10px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.answer-number { color: var(--accent); font: 700 clamp(70px, 9vw, 112px)/0.9 var(--display); letter-spacing: -0.07em; margin-top: 18px; }
.answer-unit { font: 700 25px/1 var(--display); }
.answer-card p { margin: 22px 0 0; color: var(--secondary); }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.metrics article { padding: 28px 22px; border-left: 1px solid var(--line); }
.metrics article:first-child { border-left: 0; }
.metrics strong { display: block; font: 700 42px/1 var(--display); }
.metrics span { display: block; margin-top: 8px; color: var(--muted); font: 500 10px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

.showcases, .findings, .leaderboard, .explorer, .method { padding: 100px 0; }
.showcases { display: grid; gap: 96px; }
.showcase { min-width: 0; }
.carousel-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 34px; }
.carousel-heading h2 { margin-top: 14px; }
.carousel-controls { display: flex; align-items: center; gap: 8px; }
.carousel-position { min-width: 58px; margin-right: 8px; color: var(--muted); font: 500 10px/1 var(--mono); text-align: right; }
.carousel-button { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; color: var(--text); background: var(--surface); font: 20px/1 var(--body); cursor: pointer; }
.carousel-button:hover { color: white; background: var(--accent); border-color: var(--accent); }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(310px, 41%); gap: 16px; overflow-x: auto; padding: 2px 2px 18px; scroll-behavior: smooth; scroll-snap-type: x mandatory; overscroll-behavior-inline: contain; scrollbar-color: var(--accent) var(--surface-soft); }
.carousel-card { min-height: 300px; display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); background: rgba(251, 248, 243, 0.64); scroll-snap-align: start; }
.pirate-track .carousel-card { height: 460px; }
.haiku-track .carousel-card { height: 360px; }
.carousel-card:nth-child(3n + 2) { background: rgba(238, 232, 223, 0.72); }
.carousel-card:nth-child(3n) { background: rgba(91, 102, 88, 0.08); }
.carousel-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font: 500 10px/1.4 var(--mono); }
.carousel-model { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pirate-copy { display: -webkit-box; overflow: hidden; margin: auto 0; padding: 28px 0; color: var(--text); font: 600 clamp(21px, 2.2vw, 28px)/1.28 var(--display); letter-spacing: -0.02em; -webkit-box-orient: vertical; -webkit-line-clamp: 8; }
.haiku-copy { display: grid; gap: 8px; margin: auto 0; padding: 28px 0; color: var(--text); font: 600 clamp(25px, 3vw, 36px)/1.2 var(--display); letter-spacing: -0.025em; }
.carousel-card-footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font: 500 10px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
.carousel-card-footer a { white-space: nowrap; }
.section-heading { max-width: 750px; }
.section-heading h2 { margin-top: 16px; }
.finding-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; margin-top: 44px; }
.finding { min-height: 260px; display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); background: rgba(251, 248, 243, 0.5); }
.finding-featured { background: var(--text); color: var(--paper); border-color: var(--text); }
.finding-index { color: var(--muted); font: 500 10px/1 var(--mono); }
.finding h3 { margin-top: auto; }
.finding p { margin: 16px 0 0; color: var(--muted); }
.finding-featured p { color: #cbbfb1; }
.finding code { padding: 2px 5px; background: rgba(154, 75, 46, 0.18); color: inherit; font-family: var(--mono); font-size: 0.8em; }

.leaderboard { border-top: 1px solid var(--line); }
.split-heading { max-width: none; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.7fr); gap: 70px; align-items: end; }
.split-heading p { max-width: 470px; margin: 0; color: var(--muted); }
.bars { margin-top: 48px; border-top: 1px solid var(--line); }
.bar-row { display: grid; grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1.8fr) 60px; gap: 20px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line); }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 500 12px/1.2 var(--mono); }
.bar-track { height: 8px; background: var(--surface-soft); overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); transform-origin: left; animation: grow 600ms ease both; }
.bar-score { text-align: right; font: 700 24px/1 var(--display); }
@keyframes grow { from { transform: scaleX(0); } }

.explorer { border-top: 1px solid var(--line); }
.controls { display: grid; grid-template-columns: 1.5fr 1fr auto; gap: 14px; align-items: end; margin-top: 42px; }
.controls label span { display: block; margin-bottom: 7px; color: var(--muted); font: 500 10px/1 var(--mono); letter-spacing: 0.09em; text-transform: uppercase; }
input, select { width: 100%; min-height: 44px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 0; color: var(--text); background: var(--surface); font: 15px var(--body); }
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.result-count { padding-bottom: 13px; color: var(--muted); font: 500 10px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; }
.table-shell { margin-top: 18px; overflow-x: auto; border: 1px solid var(--line); background: rgba(251, 248, 243, 0.5); }
table { width: 100%; border-collapse: collapse; min-width: 780px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); background: var(--surface-soft); font: 500 10px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
th button { padding: 0; border: 0; color: inherit; background: transparent; font: inherit; letter-spacing: inherit; text-transform: inherit; cursor: pointer; }
th button:hover { color: var(--accent); }
td { font-size: 13px; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface); }
.model-name { font-family: var(--mono); font-size: 11px; }
.score { font: 700 22px/1 var(--display); }
.grade { display: inline-grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; background: var(--moss); color: white; font: 700 12px/1 var(--mono); }
.grade-b { background: var(--muted); }
.response-link { font: 500 10px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; }
.loading, .empty { padding: 32px; color: var(--muted); text-align: center; }

.method { border-top: 1px solid var(--line); }
.method-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(50px, 10vw, 130px); }
.method h2 { margin-top: 16px; }
.method-copy { color: var(--secondary); font-size: 17px; }
.method-copy p { margin: 0 0 18px; }
.method-links { display: flex; flex-wrap: wrap; gap: 14px 24px; margin-top: 28px; }
.method-links a { font: 500 11px/1.3 var(--mono); }
.footer { display: flex; justify-content: space-between; padding: 34px 0 55px; border-top: 1px solid var(--line); color: var(--muted); font: 500 10px/1.4 var(--mono); letter-spacing: 0.07em; text-transform: uppercase; }
.footer p { margin: 0; }
.noscript { padding: 20px; background: var(--accent); color: white; text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

@media (max-width: 780px) {
  .container { width: min(calc(100% - 32px), var(--max)); }
  .nav { align-items: flex-start; }
  .brand small { display: none; }
  .nav-links { gap: 14px; padding-top: 5px; }
  .nav-links a:nth-child(2) { display: none; }
  .hero { padding: 58px 0; }
  .hero-grid, .split-heading, .method-grid { grid-template-columns: 1fr; gap: 40px; }
  h1 { font-size: clamp(48px, 15vw, 72px); }
  .answer-card { max-width: 420px; transform: none; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .metrics article:nth-child(4) { border-top: 1px solid var(--line); }
  .showcases, .findings, .leaderboard, .explorer, .method { padding: 72px 0; }
  .showcases { gap: 72px; }
  .carousel-heading { align-items: center; }
  .carousel-heading h2 { font-size: 38px; }
  .carousel-position { display: none; }
  .carousel-track { grid-auto-columns: 88%; }
  .pirate-track .carousel-card { height: 420px; }
  .haiku-track .carousel-card { height: 330px; }
  .finding-grid { grid-template-columns: 1fr; }
  .finding { min-height: 220px; }
  .controls { grid-template-columns: 1fr 1fr; }
  .result-count { grid-column: 1 / -1; }
  .bar-row { grid-template-columns: minmax(130px, 1fr) 1.3fr 45px; gap: 10px; }
  .footer { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bar-fill { animation: none; }
}