:root {
  --ink: #071927;
  --paper: #f4f1e9;
  --paper-deep: #e8e3d8;
  --white: #fffdf8;
  --cyan: #4bd6d0;
  --blue: #2364d8;
  --coral: #f06d50;
  --muted: #65717a;
  --border: rgba(7, 25, 39, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; padding: .75rem 1rem; background: white; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  width: min(1180px, calc(100% - 40px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,.18);
  color: white;
}
.brand { display: flex; align-items: baseline; gap: 11px; text-decoration: none; }
.brand span { font: 600 1.45rem/1 "Newsreader", serif; letter-spacing: .02em; }
.brand small { font: 500 .65rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .14em; opacity: .68; }
nav { display: flex; gap: 30px; }
nav a { font-size: .78rem; font-weight: 600; text-decoration: none; }
nav a:hover { color: var(--cyan); }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 790px;
  padding: 170px max(40px, calc((100vw - 1180px) / 2)) 80px;
  color: white;
  background: var(--ink);
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: 70px;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(75,214,208,.2);
  border-radius: 50%;
  box-shadow: 0 0 0 110px rgba(75,214,208,.035), 0 0 0 220px rgba(75,214,208,.02);
}
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
.hero > *:not(.hero-grid) { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 11px; font: 500 .68rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .14em; color: var(--cyan); }
.eyebrow .dot { width: 4px; height: 4px; background: var(--coral); border-radius: 50%; }
.hero h1 { max-width: 940px; margin: 38px 0 28px; font: 500 clamp(4.3rem, 8.6vw, 8.6rem)/.88 "Newsreader", serif; letter-spacing: -.055em; }
.hero h1 em { color: var(--cyan); font-weight: 500; }
.hero-copy { max-width: 700px; margin: 0; color: rgba(255,255,255,.72); font-size: 1.14rem; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-width: 210px; padding: 13px 17px; border: 1px solid transparent; font: 600 .76rem/1.2 "Manrope", sans-serif; text-decoration: none; }
.button.primary { background: var(--coral); color: var(--ink); }
.button.primary:hover { background: #ff8063; }
.button.secondary { border-color: rgba(255,255,255,.34); color: white; }
.button.secondary:hover { border-color: var(--cyan); color: var(--cyan); }
.text-link { padding: 13px; color: rgba(255,255,255,.68); font: 500 .72rem/1 "DM Mono", monospace; text-underline-offset: 4px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); width: min(650px, 100%); margin-top: 78px; border-top: 1px solid rgba(255,255,255,.18); }
.hero-facts div { display: flex; flex-direction: column; padding: 20px 20px 0 0; }
.hero-facts strong { font: 500 2rem/1 "Newsreader", serif; color: var(--cyan); }
.hero-facts span { margin-top: 5px; font-size: .67rem; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .08em; }

.section { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 120px 0; }
.section-label { font: 500 .65rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .13em; color: var(--blue); }
.intro { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.section-copy { display: grid; grid-template-columns: 1.5fr 1fr; gap: 70px; align-items: end; }
.section h2, .granularity h2, .method-detail h2, .section-heading h2, .openclaw h2, .citation h2 { margin: 0; font: 500 clamp(2.7rem, 5vw, 4.6rem)/.98 "Newsreader", serif; letter-spacing: -.035em; }
.section-copy p { margin: 0; color: var(--muted); }

.track-strip { display: grid; grid-template-columns: repeat(2, 1fr); color: white; background: #0c2536; border-bottom: 1px solid rgba(255,255,255,.14); }
.track-strip article { display: grid; grid-template-columns: auto 1fr; gap: 22px; padding: 38px max(40px, calc((100vw - 1180px) / 2)); }
.track-strip article:first-child { padding-right: 50px; border-right: 1px solid rgba(255,255,255,.14); }
.track-strip article:last-child { padding-left: 50px; }
.track-number { padding-top: 5px; font: 500 .62rem/1 "DM Mono", monospace; color: var(--coral); }
.track-strip h2 { margin: 0; font: 500 1.6rem/1.05 "Newsreader", serif; }
.track-strip p { margin: 9px 0 16px; color: rgba(255,255,255,.62); font-size: .78rem; }
.track-strip a { grid-column: 2; width: fit-content; color: var(--cyan); font: 500 .65rem/1 "DM Mono", monospace; text-underline-offset: 5px; }

.figure-shell { width: min(1300px, calc(100% - 40px)); margin: 0 auto 30px; padding: 28px; background: var(--white); border: 1px solid var(--border); box-shadow: 0 24px 70px rgba(7,25,39,.08); }
.figure-heading { display: flex; justify-content: space-between; margin-bottom: 25px; font: 500 .62rem/1 "DM Mono", monospace; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }

.roles { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.role-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-left: 1px solid var(--border); border-top: 1px solid var(--border); }
.role-grid article { min-height: 265px; padding: 28px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.role-number { font: 500 .65rem/1 "DM Mono", monospace; color: var(--coral); }
.role-grid h3 { margin: 58px 0 12px; font: 500 2rem/1 "Newsreader", serif; }
.role-grid p { margin: 0; color: var(--muted); font-size: .91rem; }

.method-detail { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 700px; color: white; background: var(--ink); }
.method-copy { padding: 100px 70px 100px max(40px, calc((100vw - 1180px) / 2)); }
.method-copy > p { color: rgba(255,255,255,.66); }
.method-copy ol { margin: 38px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.16); }
.method-copy li { padding: 15px 0; color: rgba(255,255,255,.64); border-bottom: 1px solid rgba(255,255,255,.16); font-size: .8rem; }
.method-copy li span { display: inline-block; min-width: 78px; color: var(--cyan); font: 500 .68rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.method-figure { align-self: center; margin: 55px max(40px, calc((100vw - 1180px) / 2)) 55px 0; padding: 28px; color: var(--ink); background: var(--white); box-shadow: 0 25px 80px rgba(0,0,0,.25); }
.method-figure .figure-heading { margin-bottom: 22px; }

.granularity { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 650px; background: var(--paper-deep); }
.granularity-copy { padding: 100px max(40px, calc((100vw - 1180px) / 2)) 100px max(40px, calc((100vw - 1180px) / 2)); }
.granularity > img { width: 100%; height: 100%; object-fit: contain; padding: 50px; background: var(--white); }
.kicker { display: block; margin-bottom: 28px; font: 500 .65rem/1 "DM Mono", monospace; color: var(--coral); text-transform: uppercase; letter-spacing: .13em; }
.granularity-copy p { max-width: 520px; color: var(--muted); }
.granularity ul { margin: 36px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--border); }
.granularity li { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--border); color: var(--muted); font-size: .82rem; }
.granularity li span { color: var(--ink); font-weight: 700; }

.results { padding: 120px max(40px, calc((100vw - 1180px) / 2)); color: white; background: var(--blue); }
.section-label.light { color: var(--cyan); }
.results-header { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; margin-bottom: 70px; }
.results h2 { margin: 0; font: 500 clamp(3.4rem, 7vw, 6.5rem)/.9 "Newsreader", serif; letter-spacing: -.045em; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.3); border-left: 1px solid rgba(255,255,255,.3); }
.metric-grid article { min-height: 280px; padding: 24px; border-right: 1px solid rgba(255,255,255,.3); border-bottom: 1px solid rgba(255,255,255,.3); }
.metric-grid span { display: block; min-height: 36px; font: 500 .62rem/1.5 "DM Mono", monospace; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .08em; }
.metric-grid strong { display: block; margin: 45px 0 24px; font: 500 3.8rem/1 "Newsreader", serif; color: var(--cyan); }
.metric-grid p { margin: 0; color: rgba(255,255,255,.74); font-size: .83rem; }
.footnote { margin: 22px 0 0; color: rgba(255,255,255,.58); font-size: .72rem; }

.section-wide { padding: 120px max(40px, calc((100vw - 1180px) / 2)); }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; margin-bottom: 58px; }
.section-heading .section-label { display: block; margin-bottom: 28px; }
.section-heading > p, .section-heading .case-notes { margin: 0; color: var(--muted); }

.benchmark { background: var(--white); }
.table-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; align-items: start; }
.table-card { min-width: 0; border: 1px solid var(--border); background: var(--paper); }
.table-title { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.table-title span { font: 500 1.35rem/1 "Newsreader", serif; }
.table-title small { color: var(--muted); font: 500 .58rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .73rem; font-variant-numeric: tabular-nums; }
th, td { padding: 12px 15px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font: 500 .58rem/1.25 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .05em; background: rgba(7,25,39,.025); }
th:first-child, td:first-child { text-align: left; }
tbody tr:last-child td { border-bottom: 0; }
td.best { color: var(--blue); font-weight: 700; }
tr.average { font-weight: 700; background: rgba(75,214,208,.1); }
.table-note { max-width: 780px; margin: 26px 0 0 auto; color: var(--muted); font-size: .78rem; }

.analysis { padding: 120px max(40px, calc((100vw - 1180px) / 2)); color: white; background: #0c2536; }
.light-heading > p { color: rgba(255,255,255,.62); }
.analysis-figures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.analysis-figures figure { margin: 0; padding: 14px; background: var(--white); }
.analysis-figures img { width: 100%; aspect-ratio: 1.22; object-fit: contain; }
.analysis-figures figcaption { padding: 13px 2px 1px; color: var(--ink); font: 500 .62rem/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.analysis-tables { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 22px; }
.dark-table { min-width: 0; border: 1px solid rgba(255,255,255,.18); }
.dark-table .table-title { border-color: rgba(255,255,255,.18); }
.dark-table .table-title small { color: rgba(255,255,255,.5); }
.dark-table th, .dark-table td { color: rgba(255,255,255,.74); border-color: rgba(255,255,255,.14); }
.dark-table th { color: rgba(255,255,255,.48); background: rgba(255,255,255,.03); }
.dark-table td.best { color: var(--cyan); }
.dark-table tr.average { background: rgba(75,214,208,.08); }
.dark-table > p { margin: 0; padding: 18px 20px; color: rgba(255,255,255,.56); border-top: 1px solid rgba(255,255,255,.14); font-size: .74rem; }

.case-study { background: var(--paper); }
.case-notes p { margin: 0 0 18px; }
.case-notes strong { color: var(--ink); }
.case-figure { margin: 0; padding: 28px; background: var(--white); border: 1px solid var(--border); box-shadow: 0 24px 70px rgba(7,25,39,.08); }
.case-figure img { width: 100%; }
.case-figure figcaption { margin-top: 20px; color: var(--muted); font-size: .72rem; }

.openclaw { display: grid; grid-template-columns: 1.2fr .8fr; gap: 100px; width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 130px 0; }
.openclaw-copy > p { max-width: 630px; color: var(--muted); }
.openclaw-copy .implementation-note { margin: 24px 0 0; padding-left: 18px; border-left: 3px solid var(--coral); font-size: .82rem; }
.terminal { overflow: hidden; margin: 38px 0 22px; color: white; background: var(--ink); border-radius: 4px; box-shadow: 0 24px 55px rgba(7,25,39,.16); }
.terminal-bar { display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; border-bottom: 1px solid rgba(255,255,255,.12); }
.terminal-bar i { width: 7px; height: 7px; background: var(--coral); border-radius: 50%; }
.terminal-bar i:nth-child(2) { background: #f5c650; }
.terminal-bar i:nth-child(3) { background: var(--cyan); }
.terminal-bar span { margin-left: auto; font: 400 .58rem/1 "DM Mono", monospace; color: rgba(255,255,255,.4); }
.terminal pre { overflow-x: auto; margin: 0; padding: 23px; font: 400 .68rem/1.9 "DM Mono", monospace; }
.terminal code span { color: var(--cyan); }
.button.dark { background: var(--ink); color: white; }
.button.dark:hover { background: var(--blue); }
.tool-list { align-self: center; border-top: 1px solid var(--border); }
.tool-list div { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.tool-list code { font: 500 .72rem/1 "DM Mono", monospace; }
.tool-list span { color: var(--muted); font-size: .72rem; }

.citation { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; padding: 100px max(40px, calc((100vw - 1180px) / 2)); background: var(--white); border-top: 1px solid var(--border); }
.citation .section-label { margin-bottom: 30px; }
.citation > div:last-child { max-width: 700px; }
.citation-links { display: flex; gap: 20px; margin-top: 26px; }
.citation-links a { font: 600 .72rem/1 "DM Mono", monospace; text-underline-offset: 5px; }

footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 42px max(40px, calc((100vw - 1180px) / 2)); color: rgba(255,255,255,.65); background: var(--ink); font-size: .68rem; }
.footer-brand { color: white; }
footer p { margin: 0; }
footer > div { display: flex; gap: 20px; }
footer > div a { text-underline-offset: 4px; }

@media (max-width: 900px) {
  nav a:not(:last-child) { display: none; }
  .hero { min-height: auto; padding-top: 145px; }
  .hero h1 { font-size: clamp(3.6rem, 15vw, 6rem); }
  .hero::after { width: 420px; height: 420px; opacity: .6; }
  .intro, .roles, .results-header { grid-template-columns: 1fr; }
  .section-copy { grid-template-columns: 1fr; gap: 25px; }
  .track-strip { grid-template-columns: 1fr; }
  .track-strip article, .track-strip article:first-child, .track-strip article:last-child { padding: 34px 40px; border-right: 0; }
  .track-strip article:first-child { border-bottom: 1px solid rgba(255,255,255,.14); }
  .method-detail { grid-template-columns: 1fr; }
  .method-copy { padding: 80px 40px 30px; }
  .method-figure { margin: 30px 40px 80px; }
  .granularity { grid-template-columns: 1fr; }
  .granularity-copy { padding: 80px 40px; }
  .granularity > img { max-height: 620px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading, .table-grid, .analysis-tables { grid-template-columns: 1fr; }
  .section-heading { gap: 26px; }
  .analysis-figures { grid-template-columns: 1fr; }
  .analysis-figures img { max-height: 520px; }
  .openclaw { grid-template-columns: 1fr; gap: 60px; }
  .citation { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .site-header { width: calc(100% - 28px); }
  .hero { padding-left: 20px; padding-right: 20px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .text-link { text-align: center; }
  .hero-facts { grid-template-columns: 1fr; margin-top: 55px; }
  .hero-facts div { flex-direction: row; align-items: baseline; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .hero-facts span { text-align: right; }
  .section { width: calc(100% - 32px); padding: 82px 0; }
  .track-strip article, .track-strip article:first-child, .track-strip article:last-child { grid-template-columns: auto 1fr; padding: 30px 20px; }
  .figure-shell { width: calc(100% - 20px); padding: 12px; }
  .figure-heading span:last-child { display: none; }
  .role-grid { grid-template-columns: 1fr; }
  .method-copy { padding: 75px 20px 25px; }
  .method-copy li span { display: block; margin-bottom: 7px; }
  .method-figure { margin: 25px 10px 70px; padding: 12px; }
  .granularity-copy { padding: 75px 20px; }
  .granularity > img { padding: 18px; }
  .granularity li { flex-direction: column; gap: 3px; }
  .results { padding: 85px 20px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid article { min-height: 235px; }
  .section-wide, .analysis { padding: 82px 20px; }
  .section-heading { margin-bottom: 38px; }
  .table-grid { gap: 14px; }
  .table-title { align-items: flex-start; flex-direction: column; gap: 7px; }
  th, td { padding: 11px 12px; }
  .analysis-figures, .analysis-tables { gap: 12px; }
  .case-figure { padding: 12px; }
  .openclaw { width: calc(100% - 32px); padding: 85px 0; }
  .tool-list div { flex-direction: column; align-items: flex-start; gap: 6px; }
  .citation { padding: 80px 20px; }
  .citation-links { flex-direction: column; }
  footer { flex-direction: column; align-items: flex-start; padding: 38px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}