:root {
  --lab-bg: #0d0f0f;
  --lab-deep: #090b0b;
  --lab-surface: #151817;
  --lab-paper: #eeeae1;
  --lab-muted: #9b9c96;
  --lab-faint: #626561;
  --lab-line: rgba(238, 234, 225, 0.14);
  --lab-line-strong: rgba(238, 234, 225, 0.28);
  --lobster: #ff5a36;
  --public: #7ebc8b;
  --private: #d4a95c;
  --retired: #8c9295;
  --display: "Manrope", "Noto Sans SC", sans-serif;
  --body: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", monospace;
  --page: min(1240px, calc(100vw - 64px));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--lab-paper);
  background: radial-gradient(circle at 82% 9%, rgba(255, 90, 54, 0.08), transparent 28rem), var(--lab-bg);
  font-family: var(--body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; content: ""; opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--lobster); outline-offset: 5px; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 14px; color: var(--lab-deep); background: var(--lab-paper); font: 500 .78rem var(--mono); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-frame { width: var(--page); margin: 0 auto; }

.site-header { display: flex; min-height: 92px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--lab-line); }
.wordmark { display: inline-flex; min-height: 44px; align-items: center; gap: 14px; color: var(--lab-paper); font: 600 .76rem var(--mono); letter-spacing: .12em; text-decoration: none; }
.wordmark-mark { display: grid; width: 38px; height: 38px; place-items: center; color: var(--lab-deep); background: var(--lobster); font-weight: 500; letter-spacing: -.08em; }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav a { position: relative; display: inline-flex; min-height: 44px; align-items: center; color: var(--lab-muted); font: 400 .7rem var(--mono); letter-spacing: .1em; text-decoration: none; transition: color 180ms ease; }
.primary-nav a::after { position: absolute; right: 0; bottom: 7px; left: 0; height: 1px; content: ""; background: var(--lobster); transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--lab-paper); }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.primary-nav .external-nav { margin-left: 12px; padding: 0 14px; color: var(--lab-paper); border: 1px solid var(--lab-line-strong); }
.primary-nav .external-nav::after { display: none; }
.primary-nav .external-nav:hover { color: var(--lab-deep); background: var(--lab-paper); }
.mobile-nav-toggle { display: none; }

.hero { position: relative; min-height: calc(100vh - 92px); padding: clamp(72px, 10vw, 144px) 0 64px; overflow: hidden; border-bottom: 1px solid var(--lab-line); }
.hero-grid { position: absolute; top: 0; right: 0; width: min(58vw, 720px); height: 100%; opacity: .22; background-image: linear-gradient(var(--lab-line) 1px, transparent 1px), linear-gradient(90deg, var(--lab-line) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(90deg, transparent, black 35%); }
.hero-grid::before, .hero-grid::after { position: absolute; content: ""; border: 1px solid var(--lobster); }
.hero-grid::before { top: 18%; right: 14%; width: 210px; height: 210px; border-radius: 50%; opacity: .42; }
.hero-grid::after { top: calc(18% + 102px); right: calc(14% + 102px); width: 8px; height: 8px; background: var(--lobster); transform: rotate(45deg); }
.hero-coordinate { position: relative; z-index: 1; display: flex; width: min(520px, 100%); justify-content: space-between; margin: 0 0 42px; color: var(--lab-faint); font: 400 .66rem var(--mono); letter-spacing: .08em; }
.hero h1 { position: relative; z-index: 1; display: flex; margin: 0; flex-direction: column; font: 600 clamp(4.8rem, 12.8vw, 11rem)/.78 var(--display); letter-spacing: -.09em; }
.hero h1 span { display: block; }
.outline-word { width: fit-content; color: transparent; -webkit-text-stroke: 1.5px var(--lobster); transform: translateX(clamp(72px, 17vw, 240px)); }
.hero-bottom { position: relative; z-index: 1; display: grid; width: min(860px, 78%); margin-top: 72px; margin-left: auto; grid-template-columns: 1.15fr .85fr; gap: 72px; }
.hero-lede, .hero-note { margin: 0; }
.hero-lede { color: var(--lab-paper); font: 500 clamp(1.3rem, 2.2vw, 2rem)/1.5 var(--display); letter-spacing: -.03em; }
.hero-note { align-self: end; color: var(--lab-muted); font-size: .92rem; }
.hero-scroll { position: absolute; bottom: 28px; left: 0; display: flex; min-height: 44px; align-items: center; gap: 16px; color: var(--lab-muted); font: 400 .68rem var(--mono); letter-spacing: .08em; text-decoration: none; }
.hero-scroll:hover { color: var(--lobster); }

.page-section { padding: 120px 0; border-bottom: 1px solid var(--lab-line); }
.section-heading { display: grid; margin-bottom: 64px; grid-template-columns: minmax(80px, .27fr) 1fr; gap: 32px; }
.section-index, .eyebrow { color: var(--lobster); font: 400 .68rem var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.section-index { padding-top: 8px; }
.eyebrow { margin: 0 0 12px; }
.section-heading h2, .page-hero h1, .principles-section h2, .archive-invite h2 { margin: 0; font-family: var(--display); font-weight: 500; letter-spacing: -.055em; }
.section-heading h2 { font-size: clamp(2.2rem, 5vw, 4.5rem); line-height: 1.08; }
.section-intro { width: min(560px, 100%); margin: 20px 0 0; color: var(--lab-muted); }

.featured-list { display: grid; gap: 84px; }
.featured-system { display: grid; min-height: 520px; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); border: 1px solid var(--lab-line); background: var(--lab-deep); }
.featured-system.is-reversed .system-copy { order: 2; }
.featured-system.is-reversed .system-visual { order: 1; }
.system-copy { display: flex; padding: clamp(32px, 5vw, 64px); flex-direction: column; }
.system-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--lab-faint); font: 400 .66rem var(--mono); letter-spacing: .09em; }
.state-label { display: inline-flex; min-height: 26px; align-items: center; padding: 4px 8px; border: 1px solid currentColor; font: 500 .58rem var(--mono); letter-spacing: .08em; white-space: nowrap; }
.state-public { color: var(--public); }
.state-private { color: var(--private); }
.state-retired { color: var(--retired); }
.system-copy h3, .knowledge-card h3 { margin: 42px 0 18px; font-family: var(--display); font-weight: 500; letter-spacing: -.045em; }
.system-copy h3 { font-size: clamp(2rem, 4vw, 4rem); line-height: 1.04; }
.system-description { margin: 0; color: var(--lab-muted); font-size: 1rem; }
.io-pair { display: grid; margin: auto 0 0; padding-top: 48px; grid-template-columns: 1fr 1fr; gap: 28px; }
.io-pair div { padding-top: 12px; border-top: 1px solid var(--lab-line); }
.io-pair dt { color: var(--lab-faint); font: 400 .58rem var(--mono); letter-spacing: .1em; }
.io-pair dd { margin: 8px 0 0; color: var(--lab-paper); font-size: .8rem; }
.tag-list { display: flex; margin: 24px 0 0; padding: 0; flex-wrap: wrap; gap: 8px; list-style: none; }
.tag-list li { padding: 5px 8px; color: var(--lab-muted); background: var(--lab-surface); font: 400 .6rem var(--mono); }
.system-action { margin-top: 34px; }
.project-link, .section-link { display: inline-flex; min-height: 44px; align-items: center; gap: 12px; color: var(--lab-paper); font: 500 .72rem var(--mono); letter-spacing: .06em; text-decoration: none; border-bottom: 1px solid var(--lobster); transition: gap 180ms ease, color 180ms ease; }
.project-link:hover, .section-link:hover { gap: 18px; color: var(--lobster); }
.private-note { color: var(--private); font: 400 .7rem var(--mono); }
.system-visual { position: relative; min-height: 100%; overflow: hidden; background: linear-gradient(135deg, rgba(255, 90, 54, .07), transparent 52%), var(--lab-surface); border-left: 1px solid var(--lab-line); }
.featured-system.is-reversed .system-visual { border-right: 1px solid var(--lab-line); border-left: 0; }
.system-visual img { width: 100%; height: 100%; object-fit: cover; object-position: top left; filter: saturate(.86) contrast(1.04); transition: transform 500ms cubic-bezier(.2, .75, .3, 1), filter 300ms ease; }
.featured-system:hover .system-visual img { filter: saturate(1) contrast(1.02); transform: scale(1.018); }
.visual-corner { position: absolute; right: 20px; bottom: 20px; width: 28px; height: 28px; border-right: 1px solid var(--lobster); border-bottom: 1px solid var(--lobster); }

.automation-list { border-top: 1px solid var(--lab-line-strong); }
.automation-row { display: grid; padding: 28px 0; grid-template-columns: .8fr 1fr .9fr; gap: 32px; border-bottom: 1px solid var(--lab-line); }
.automation-heading { display: flex; align-items: flex-start; flex-direction: column; gap: 12px; font-family: var(--display); font-weight: 600; }
.automation-title { text-decoration: none; }
.automation-title:hover { color: var(--lobster); }
.automation-row p { margin: 0; color: var(--lab-muted); font-size: .88rem; }
.automation-flow { display: grid; align-items: center; grid-template-columns: 1fr auto 1fr; gap: 10px; color: var(--lab-faint); font: 400 .63rem/1.5 var(--mono); }
.automation-flow span:nth-child(2) { color: var(--lobster); }
.section-link { margin-top: 40px; }

.knowledge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.knowledge-grid-full .knowledge-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
.knowledge-card { display: flex; min-width: 0; flex-direction: column; background: var(--lab-deep); border: 1px solid var(--lab-line); }
.knowledge-visual { overflow: hidden; aspect-ratio: 16 / 10; background: var(--lab-surface); border-bottom: 1px solid var(--lab-line); }
.knowledge-visual img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 500ms cubic-bezier(.2, .75, .3, 1); }
.knowledge-card:hover .knowledge-visual img { transform: scale(1.02); }
.knowledge-copy { display: flex; min-height: 300px; padding: 32px; flex-direction: column; }
.knowledge-meta { display: flex; justify-content: flex-end; }
.knowledge-card h3 { margin-top: 30px; margin-bottom: 12px; font-size: clamp(1.5rem, 3vw, 2.5rem); }
.knowledge-card p { margin: 0; color: var(--lab-muted); }
.knowledge-card .project-link { width: fit-content; margin-top: auto; padding-top: 28px; }

.principles-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 96px; }
.principles-section > .eyebrow { grid-column: 1 / -1; }
.principles-section h2 { font-size: clamp(2.5rem, 6vw, 5.5rem); line-height: 1.08; }
.principles-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--lab-line-strong); }
.principles-list li { display: grid; padding: 24px 0; grid-template-columns: 52px 1fr; gap: 12px; border-bottom: 1px solid var(--lab-line); font-family: var(--display); font-size: 1.1rem; }
.principles-list span { color: var(--lobster); font: 400 .65rem var(--mono); }

.archive-invite { position: relative; margin: 120px 0; padding: clamp(36px, 7vw, 88px); overflow: hidden; color: var(--lab-deep); background: var(--lobster); }
.archive-invite::after { position: absolute; right: -.05em; bottom: -.42em; content: "ARCHIVE"; color: rgba(13, 15, 15, .1); font: 700 clamp(5rem, 16vw, 12rem) var(--display); letter-spacing: -.09em; pointer-events: none; }
.archive-invite .eyebrow, .archive-invite .project-link { color: var(--lab-deep); }
.archive-invite h2 { position: relative; z-index: 1; max-width: 780px; font-size: clamp(2.6rem, 6vw, 6rem); line-height: 1; }
.archive-invite p:not(.eyebrow) { position: relative; z-index: 1; max-width: 520px; margin: 30px 0 24px; }
.archive-invite .project-link { position: relative; z-index: 1; border-color: var(--lab-deep); }

.page-hero { display: grid; min-height: 520px; padding: 100px 0 72px; align-content: center; border-bottom: 1px solid var(--lab-line); }
.page-hero h1 { max-width: 980px; font-size: clamp(3.2rem, 8vw, 7.8rem); line-height: .98; }
.page-hero > p:last-child { max-width: 580px; margin: 36px 0 0 auto; color: var(--lab-muted); font-size: 1rem; }
.research-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--lab-line-strong); }
.research-list a { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 24px; color: var(--lab-paper); text-decoration: none; border-bottom: 1px solid var(--lab-line); }
.research-list a:hover { color: var(--lobster); }
.research-list time { color: var(--lab-faint); font: 400 .66rem var(--mono); }
.archive-note { display: grid; margin: 120px 0; grid-template-columns: .55fr 1.45fr; gap: 64px; }
.archive-note blockquote { margin: 0; font: 500 clamp(1.6rem, 3.6vw, 3.6rem)/1.35 var(--display); letter-spacing: -.04em; }
.site-footer { display: flex; min-height: 140px; align-items: center; justify-content: space-between; gap: 30px; color: var(--lab-faint); font: 400 .64rem var(--mono); letter-spacing: .04em; border-top: 1px solid var(--lab-line); }
.legacy-forward { width: min(760px, calc(100vw - 40px)); margin: 18vh auto 0; padding: 56px 0; border-top: 1px solid var(--lab-line-strong); }
.legacy-forward h1 { max-width: 680px; margin: 18px 0 28px; font: 500 clamp(2.4rem, 7vw, 5.8rem)/1.05 var(--display); letter-spacing: -.055em; }
.legacy-forward > p:not(.eyebrow) { max-width: 520px; color: var(--lab-muted); }

.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 600ms ease, transform 600ms cubic-bezier(.2, .75, .3, 1); }
.js [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Historical article compatibility */
.container { width: min(820px, calc(100vw - 48px)); margin: 0 auto; padding: 56px 0; }
.container .header { margin-bottom: 56px; }
.container .logo { margin-bottom: 20px; font: 600 1.2rem var(--mono); }
.container .logo a { text-decoration: none; }
.container .claw, .article strong, .article h2, .article th { color: var(--lobster); }
.container nav, .container .nav-links { display: flex; flex-wrap: wrap; gap: 20px; }
.container nav a, .back-link { color: var(--lab-muted); font: 400 .72rem var(--mono); text-decoration: none; }
.article h1, .article h2, .article h3 { font-family: var(--display); }
.article p, .article li { color: var(--lab-paper); }
.article a { color: var(--lobster); }
.article table { max-width: 100%; }

@media (max-width: 980px) {
  .primary-nav { gap: 16px; }
  .featured-system { min-height: 460px; }
  .system-copy { padding: 34px; }
  .automation-row { grid-template-columns: .85fr 1.15fr; }
  .automation-flow { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --page: calc(100vw - 32px); }
  .site-header { position: relative; min-height: 76px; }
  .mobile-nav-toggle { display: inline-flex; min-width: 76px; min-height: 44px; align-items: center; justify-content: space-between; padding: 0; color: var(--lab-paper); background: transparent; border: 0; font: 400 .67rem var(--mono); letter-spacing: .08em; }
  .menu-glyph { color: var(--lobster); font-size: 1rem; transition: transform 180ms ease; }
  .mobile-nav-toggle[aria-expanded="true"] .menu-glyph { transform: rotate(45deg); }
  .primary-nav { position: absolute; top: 76px; right: 0; left: 0; z-index: 20; display: none; padding: 20px 0 26px; align-items: stretch; flex-direction: column; gap: 0; background: rgba(13, 15, 15, .98); border-bottom: 1px solid var(--lab-line-strong); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { min-height: 48px; }
  .primary-nav a::after { bottom: 5px; }
  .primary-nav .external-nav { width: fit-content; margin: 12px 0 0; }
  .hero { min-height: calc(100svh - 76px); padding: 72px 0 78px; }
  .hero-grid { width: 100%; opacity: .14; }
  .hero-coordinate { margin-bottom: 36px; }
  .hero h1 { font-size: clamp(4rem, 22vw, 7rem); }
  .outline-word { transform: translateX(14vw); }
  .hero-bottom { width: 100%; margin-top: 70px; grid-template-columns: 1fr; gap: 24px; }
  .hero-note { max-width: 430px; }
  .page-section { padding: 80px 0; }
  .section-heading { margin-bottom: 40px; grid-template-columns: 42px 1fr; gap: 12px; }
  .section-heading h2 { font-size: 2.4rem; }
  .featured-list { gap: 44px; }
  .featured-system, .featured-system.is-reversed { grid-template-columns: 1fr; }
  .featured-system .system-copy, .featured-system.is-reversed .system-copy { order: 1; }
  .featured-system .system-visual, .featured-system.is-reversed .system-visual { order: 2; min-height: auto; aspect-ratio: 16 / 10; border-top: 1px solid var(--lab-line); border-right: 0; border-left: 0; }
  .system-copy { min-height: 500px; padding: 28px 22px; }
  .system-copy h3 { margin-top: 34px; font-size: 2.25rem; }
  .io-pair { grid-template-columns: 1fr; gap: 20px; }
  .automation-row { padding: 24px 0; grid-template-columns: 1fr; gap: 18px; }
  .automation-flow { grid-column: auto; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .knowledge-grid-full .knowledge-card:last-child:nth-child(odd) { grid-column: auto; }
  .principles-section { grid-template-columns: 1fr; gap: 46px; }
  .principles-section > .eyebrow { grid-column: auto; }
  .archive-invite { margin: 80px 0; }
  .page-hero { min-height: 440px; padding: 72px 0 56px; }
  .page-hero h1 { font-size: clamp(3rem, 14vw, 5.4rem); }
  .page-hero > p:last-child { margin-left: 0; }
  .archive-note { margin: 80px 0; grid-template-columns: 1fr; gap: 24px; }
  .site-footer { min-height: 130px; align-items: flex-start; justify-content: center; flex-direction: column; }
}

@media (max-width: 420px) {
  .wordmark > span:last-child { display: none; }
  .hero-coordinate span { display: none; }
  .hero h1 { font-size: 21vw; }
  .system-meta { align-items: flex-start; flex-direction: column; }
  .knowledge-copy { min-height: 330px; padding: 26px 22px; }
  .automation-flow { grid-template-columns: 1fr; }
  .automation-flow span:nth-child(2) { transform: rotate(90deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
}