:root {
  --ink: #f1f4ec;
  --muted: #a7afa5;
  --dim: #707971;
  --paper: #0b0e0d;
  --panel: #111513;
  --panel-2: #161b18;
  --line: #28302b;
  --green: #c5fa59;
  --green-dark: #18230f;
  --amber: #ffb44a;
  --blue: #7dcfff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(rgba(255,255,255,.021) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.021) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 1000; background: var(--green); color: #0b0e0d; padding: 12px 16px; font-weight: 800; text-decoration: none; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: min(calc(100% - 40px), var(--max));
  margin: 16px auto 0;
  padding: 12px 14px 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(11, 14, 13, .82);
  border: 1px solid rgba(197, 250, 89, .18);
  backdrop-filter: blur(18px);
  border-radius: 12px;
}
.wordmark { display: flex; align-items: center; gap: 7px; color: var(--ink); font: 800 14px/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-decoration: none; letter-spacing: .08em; }
.cursor { width: 7px; height: 15px; background: var(--green); animation: blink 1.1s steps(1) infinite; }
.site-header nav { display: flex; gap: 4px; }
.site-header nav a { padding: 8px 13px; border-radius: 7px; color: var(--muted); text-decoration: none; font-size: 13px; }
.site-header nav a:hover, .site-header nav a:focus-visible { background: var(--panel-2); color: var(--ink); outline: none; }

main, footer { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.intro {
  min-height: 72vh;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: 72px;
  align-items: center;
  padding: clamp(80px, 11vw, 150px) 0 90px;
}
.eyebrow { margin: 0 0 18px; color: var(--green); font: 700 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { max-width: 790px; margin-bottom: 24px; font-size: clamp(46px, 7.1vw, 92px); line-height: .98; letter-spacing: -.055em; font-weight: 760; }
.lede { max-width: 720px; margin-bottom: 34px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { padding: 12px 17px; border: 1px solid var(--line); border-radius: 9px; text-decoration: none; font-weight: 700; font-size: 14px; }
.button.primary { background: var(--green); color: #0d120a; border-color: var(--green); }
.button.primary:hover { background: #d4ff77; }
.button.secondary:hover { border-color: var(--muted); }

.signal-board { background: rgba(17,21,19,.92); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 30px 90px rgba(0,0,0,.26); overflow: hidden; }
.signal-head, .signal-foot { display: flex; justify-content: space-between; padding: 13px 15px; color: var(--dim); font: 700 10px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .09em; text-transform: uppercase; }
.signal-head { border-bottom: 1px solid var(--line); }
.signal-foot { border-top: 1px solid var(--line); line-height: 1.5; }
.status { display: flex; align-items: center; gap: 6px; color: var(--green); }
.status i { width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 12px var(--green); }
.signal-board dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; }
.signal-board dl div { min-height: 132px; padding: 23px 20px; border-bottom: 1px solid var(--line); }
.signal-board dl div:nth-child(odd) { border-right: 1px solid var(--line); }
.signal-board dt { font: 700 clamp(30px, 3.2vw, 45px)/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.04em; color: var(--ink); }
.signal-board dd { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.4; }

.build-index { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel); }
.build-index a { padding: 18px 16px; border-right: 1px solid var(--line); color: var(--muted); text-decoration: none; font-size: 13px; white-space: nowrap; }
.build-index a:last-child { border-right: 0; }
.build-index a:hover { background: var(--panel-2); color: var(--ink); }
.build-index span { margin-right: 9px; color: var(--green); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }

.projects { padding: 130px 0 40px; }
.section-heading { display: grid; grid-template-columns: .7fr 1fr; gap: 20px 60px; margin-bottom: 80px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.section-heading h2, .contact h2 { margin-bottom: 0; font-size: clamp(36px, 5vw, 62px); line-height: 1.02; letter-spacing: -.045em; }
.section-heading > p:last-child { max-width: 520px; color: var(--muted); font-size: 18px; }

.project { position: relative; display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 28px; padding: 64px 0 96px; border-top: 1px solid var(--line); scroll-margin-top: 96px; }
.project-number { position: sticky; top: 94px; align-self: start; color: var(--green); font: 700 13px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.project-number::after { content: ""; display: block; width: 26px; height: 1px; margin-top: 14px; background: var(--green); }
.project-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.project-kicker { margin-bottom: 11px; color: var(--dim); font: 700 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.project h3 { margin-bottom: 0; max-width: 830px; font-size: clamp(34px, 5vw, 64px); line-height: 1; letter-spacing: -.045em; }
.project-link { flex: 0 0 auto; padding-bottom: 4px; border-bottom: 1px solid var(--green); color: var(--green); text-decoration: none; font-size: 13px; font-weight: 800; }
.project-link:hover { color: var(--ink); border-color: var(--ink); }
.review-badge { flex: 0 0 auto; padding: 8px 11px; color: var(--amber); border: 1px solid rgba(255,180,74,.36); background: rgba(255,180,74,.06); border-radius: 99px; font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.project-summary { max-width: 850px; margin-bottom: 40px; color: #d4d9d2; font-size: clamp(19px, 2.2vw, 25px); line-height: 1.48; letter-spacing: -.01em; }

.product-window { margin: 48px 0; border: 1px solid #314036; border-radius: 14px; overflow: hidden; background: #edf4e7; color: #172019; box-shadow: 0 24px 70px rgba(0,0,0,.24); }
.window-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: #dbe8d5; border-bottom: 1px solid #c4d1bf; }
.window-bar i { width: 8px; height: 8px; border-radius: 50%; background: #a8b6a3; }
.window-bar i:first-child { background: #fd8c73; }
.window-bar i:nth-child(2) { background: #f5c966; }
.window-bar i:nth-child(3) { background: #75c585; }
.window-bar span { margin-left: 8px; color: #667265; font: 600 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.paper-builder { display: grid; grid-template-columns: 1.2fr .8fr .55fr; gap: 28px; align-items: center; padding: clamp(25px, 5vw, 55px); }
.micro-label { display: block; margin-bottom: 7px; color: #667265; font: 800 10px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }
.builder-copy strong { display: block; font-size: clamp(24px, 3vw, 38px); line-height: 1.08; letter-spacing: -.03em; }
.builder-copy p { margin: 9px 0 0; color: #667265; font-size: 13px; }
.difficulty { display: flex; flex-direction: column; gap: 6px; }
.difficulty span { display: block; padding: 8px 11px; border-radius: 7px; font: 800 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; }
.easy { background: #d8efc1; } .medium { background: #fff1be; } .hard { background: #ffd3c8; }
.generate { padding: 15px; background: #172019; color: white; border-radius: 9px; font-weight: 800; font-size: 12px; text-align: center; }
.generate span { display: block; margin-top: 3px; color: #a8b6a3; font: 600 9px ui-monospace, SFMono-Regular, Menlo, monospace; }

.project-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.project-grid.three { grid-template-columns: repeat(3, 1fr); }
.project-grid > div { min-height: 205px; padding: 27px; background: var(--panel); }
.project-grid h4 { margin-bottom: 12px; color: var(--green); font: 800 11px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.project-grid p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 1px 0 0; padding: 0; list-style: none; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.metrics li { min-height: 112px; padding: 23px; background: var(--panel-2); }
.metrics strong { display: block; color: var(--ink); font: 720 28px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.metrics span { display: block; margin-top: 9px; color: var(--dim); font-size: 12px; line-height: 1.35; }
.metrics.slim { margin-top: 1px; }

.research-arc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 45px 0; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.research-arc > div { padding: 24px; background: var(--panel); }
.research-arc span { color: var(--green); font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.research-arc strong { display: block; margin-top: 27px; font-size: 21px; }
.research-arc p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.research-figure { margin: 40px 0; background: #f8f8f6; border-radius: 12px; overflow: hidden; }
.research-figure img { display: block; width: 100%; height: auto; }
.research-figure figcaption { padding: 20px 24px; color: #273029; background: #e5ebe2; font-size: 13px; }
.status-note { margin-top: 18px; padding: 19px 21px; border-left: 3px solid var(--amber); background: rgba(255,180,74,.055); color: var(--muted); font-size: 13px; }
.status-note span { display: block; margin-bottom: 4px; color: var(--amber); font: 800 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }

.agent-lab { position: relative; min-height: 420px; margin: 46px 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: radial-gradient(circle at 70% 20%, #19291e, #0e1210 55%); }
#agent-canvas { display: block; width: 100%; height: 420px; }
.lab-overlay { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; padding: 22px 24px; background: linear-gradient(transparent, rgba(6,9,7,.92) 36%); pointer-events: none; }
.lab-overlay strong { display: block; max-width: 520px; font-size: 17px; }
.token-row { display: flex; align-items: center; gap: 6px; }
.token-row span, .token-row b { padding: 4px 7px; border: 1px solid rgba(197,250,89,.25); color: var(--green); border-radius: 99px; font: 700 9px ui-monospace, SFMono-Regular, Menlo, monospace; }
.token-row b { color: var(--blue); border-color: rgba(125,207,255,.25); }
.token-row i { margin: 0 3px; color: var(--dim); font-style: normal; }

.project-compact { padding-bottom: 78px; }
.small-things { padding: 110px 0; border-top: 1px solid var(--line); }
.section-heading.narrow { grid-template-columns: 1fr; max-width: 780px; }
.thread-list { margin-left: 100px; border-top: 1px solid var(--line); }
.thread-list article { display: grid; grid-template-columns: 140px 1fr 1.3fr; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.thread-list span { color: var(--green); font: 700 10px ui-monospace, SFMono-Regular, Menlo, monospace; }
.thread-list h3 { margin: 0; font-size: 17px; }
.thread-list p { margin: 0; color: var(--muted); font-size: 14px; }

.principle { display: grid; grid-template-columns: .5fr 1.2fr .8fr; gap: 50px; align-items: start; padding: 90px 0; border-top: 1px solid var(--line); }
.principle blockquote { margin: 0; font-size: clamp(32px, 4.2vw, 55px); line-height: 1.08; letter-spacing: -.04em; font-weight: 730; }
.principle > p:last-child { color: var(--muted); font-size: 15px; }

.contact { padding: 110px 0 90px; border-top: 1px solid var(--line); }
.contact h2 { max-width: 720px; margin-bottom: 50px; }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.contact-grid a { position: relative; min-height: 145px; padding: 22px; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); text-decoration: none; transition: transform .18s ease, border-color .18s ease; }
.contact-grid a:hover { transform: translateY(-3px); border-color: var(--green); }
.contact-grid span { display: block; color: var(--dim); font: 700 10px ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; }
.contact-grid strong { display: block; margin-top: 47px; font-size: 18px; }
.contact-grid i { position: absolute; right: 20px; bottom: 18px; color: var(--green); font-style: normal; }

footer { display: flex; justify-content: space-between; padding: 27px 0 60px; border-top: 1px solid var(--line); color: var(--dim); font: 600 11px ui-monospace, SFMono-Regular, Menlo, monospace; }

@keyframes blink { 0%, 47% { opacity: 1; } 48%, 100% { opacity: .18; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

@media (max-width: 900px) {
  .intro { grid-template-columns: 1fr; gap: 45px; padding-top: 100px; }
  .signal-board { max-width: 590px; }
  .build-index { grid-template-columns: 1fr 1fr; }
  .build-index a { border-bottom: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; }
  .project-grid.three { grid-template-columns: 1fr; }
  .paper-builder { grid-template-columns: 1fr .7fr; }
  .generate { grid-column: 1 / -1; }
  .thread-list { margin-left: 0; }
  .principle { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .site-header { width: calc(100% - 24px); margin-top: 10px; }
  .site-header nav a { padding-inline: 9px; }
  main, footer { width: calc(100% - 28px); }
  .intro { min-height: auto; padding: 82px 0 65px; }
  h1 { font-size: clamp(43px, 14.5vw, 68px); }
  .build-index { grid-template-columns: 1fr; }
  .build-index a { border-right: 0; }
  .projects { padding-top: 95px; }
  .section-heading { margin-bottom: 55px; }
  .project { grid-template-columns: 1fr; gap: 16px; padding: 50px 0 72px; }
  .project-number { position: static; }
  .project-number::after { display: inline-block; vertical-align: middle; margin: 0 0 0 9px; }
  .project-title-row { align-items: flex-start; flex-direction: column; }
  .project-grid { grid-template-columns: 1fr; }
  .project-grid > div { min-height: 0; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .paper-builder { grid-template-columns: 1fr; }
  .generate { grid-column: auto; }
  .research-arc { grid-template-columns: 1fr; }
  .research-figure figcaption { padding: 16px; }
  .agent-lab, #agent-canvas { min-height: 470px; height: 470px; }
  .lab-overlay { align-items: flex-start; flex-direction: column; }
  .token-row { flex-wrap: wrap; }
  .thread-list article { grid-template-columns: 1fr; gap: 8px; }
  .contact-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 5px; }
}