:root {
  --ink: #07111f;
  --ink-2: #0b1727;
  --panel: #101f31;
  --panel-2: #14263b;
  --text: #eef7fb;
  --muted: #a7bcc7;
  --muted-2: #748b98;
  --line: rgba(170, 204, 215, 0.18);
  --line-strong: rgba(170, 204, 215, 0.34);
  --cyan: #65e4ed;
  --cyan-dim: rgba(101, 228, 237, 0.13);
  --green: #80e5bd;
  --green-dim: rgba(128, 229, 189, 0.13);
  --gold: #e5c47b;
  --gold-dim: rgba(229, 196, 123, 0.13);
  --danger: #ff9e9e;
  --max: 1160px;
  --radius: 12px;
  --radius-lg: 18px;
  --focus: 0 0 0 2px var(--ink), 0 0 0 4px var(--cyan);
  --sans: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--ink);
  font: 400 1.03rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image: linear-gradient(rgba(116, 170, 182, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(116, 170, 182, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: #b7f6fa; }
button, input { font: inherit; }
button { color: inherit; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 5px; }

.wrap { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 200; top: 0.7rem; left: 1rem; padding: 0.6rem 0.85rem; color: var(--ink); background: var(--cyan); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.eyebrow, .route-label { color: var(--cyan); font: 600 0.73rem/1.2 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow { margin-bottom: 0.8rem; }
.route-label { display: inline-flex; align-items: center; gap: 0.55rem; margin-bottom: 1.2rem; color: var(--muted); }
.route-label::before { width: 1.8rem; height: 1px; content: ""; background: var(--cyan); }
.muted { color: var(--muted); }
.small { color: var(--muted-2); font-size: 0.88rem; }
.prose { max-width: 70ch; }
.prose p + p { margin-top: 1rem; }
.prose ul { display: grid; gap: 0.65rem; margin-top: 1.1rem; }
.prose li { position: relative; padding-left: 1.2rem; color: var(--muted); }
.prose li::before { position: absolute; top: 0.75em; left: 0; width: 0.4rem; height: 1px; content: ""; background: var(--cyan); }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid var(--line); background: rgba(7, 17, 31, 0.94); backdrop-filter: blur(14px); }
.header-inner { display: flex; min-height: 4.4rem; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--text); font-weight: 650; text-decoration: none; }
.brand:hover { color: var(--text); }
.brand-mark { width: 2rem; height: 2rem; flex: 0 0 auto; }
.brand-word { letter-spacing: -0.025em; }
.nav-desktop { display: none; align-items: center; gap: 0.2rem; }
.nav-desktop a, .footer-nav a { padding: 0.55rem 0.7rem; color: var(--muted); font-size: 0.91rem; text-decoration: none; }
.nav-desktop a:hover, .footer-nav a:hover { color: var(--text); background: var(--panel); }
.header-cta { display: none; }
.menu-toggle { display: grid; width: 2.8rem; height: 2.8rem; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.menu-toggle svg { width: 1.2rem; height: 1.2rem; }
.menu-toggle .close { display: none; }
.menu-toggle[aria-expanded="true"] .open { display: none; }
.menu-toggle[aria-expanded="true"] .close { display: block; }
.nav-mobile { display: none; padding: 0.45rem 1rem 1rem; border-top: 1px solid var(--line); background: var(--ink-2); }
.nav-mobile.is-open { display: grid; }
.nav-mobile a { padding: 0.78rem 0.4rem; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; }
.nav-mobile a:last-child { border-bottom: 0; }

.button { display: inline-flex; min-height: 2.9rem; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.72rem 1rem; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); background: transparent; font-size: 0.93rem; font-weight: 650; text-decoration: none; }
.button.header-cta { display: none; }
.button:hover { border-color: var(--cyan); color: var(--text); background: var(--panel); }
.button-primary { border-color: var(--cyan); color: var(--ink); background: var(--cyan); }
.button-primary:hover { border-color: #b7f6fa; color: var(--ink); background: #b7f6fa; }
.button-gold { border-color: var(--gold); color: var(--ink); background: var(--gold); }
.button-gold:hover { border-color: #f1d99e; color: var(--ink); background: #f1d99e; }
.button-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.text-link { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 650; text-decoration: none; }

.page-hero { padding: clamp(3.8rem, 8vw, 6.5rem) 0 clamp(3.2rem, 7vw, 5rem); border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; gap: 2rem; align-items: end; }
.page-hero h1 { max-width: 15ch; font-size: clamp(2.4rem, 6.5vw, 4.6rem); letter-spacing: -0.055em; line-height: 1.02; }
.page-hero .lead { max-width: 62ch; margin-top: 1.3rem; color: var(--muted); font-size: clamp(1.07rem, 2vw, 1.25rem); }
.hero { padding: clamp(4.5rem, 10vw, 8rem) 0 clamp(4.6rem, 10vw, 8rem); }
.hero-grid { display: grid; gap: 3rem; align-items: center; }
.hero h1 { max-width: 12ch; font-size: clamp(3rem, 7vw, 5.5rem); letter-spacing: -0.07em; line-height: 0.98; }
.hero-lead { max-width: 43ch; margin: 1.6rem 0 1.8rem; color: var(--muted); font-size: clamp(1.12rem, 2.3vw, 1.35rem); }
.hero-kicker { max-width: 48ch; margin-bottom: 1.2rem; color: var(--muted); font: 600 0.8rem/1.4 var(--mono); letter-spacing: 0.07em; text-transform: uppercase; }
.hero-visual { position: relative; min-height: 19rem; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--ink-2); }
.hero-visual::after { position: absolute; inset: 1.5rem; content: ""; border: 1px solid rgba(101, 228, 237, 0.3); border-radius: 50%; }
.hero-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-visual .signal { position: absolute; z-index: 1; top: 50%; left: 50%; width: 8rem; height: 8rem; border: 1px solid var(--cyan); transform: translate(-50%, -50%) rotate(45deg); }
.hero-visual .signal::before, .hero-visual .signal::after { position: absolute; content: ""; background: var(--cyan); }
.hero-visual .signal::before { top: 50%; right: -1.1rem; left: -1.1rem; height: 1px; }
.hero-visual .signal::after { top: -1.1rem; bottom: -1.1rem; left: 50%; width: 1px; }
.hero-visual .hero-caption { position: absolute; z-index: 2; right: 1.2rem; bottom: 1rem; left: 1.2rem; display: flex; justify-content: space-between; color: var(--muted-2); font: 0.7rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

.section { padding: clamp(3.7rem, 8vw, 6.5rem) 0; }
.section-tint { border-block: 1px solid var(--line); background: rgba(11, 23, 39, 0.76); }
.section-head { display: grid; gap: 0.75rem; max-width: 45rem; margin-bottom: 2.1rem; }
.section-head h2, .section-title { font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.045em; line-height: 1.07; }
.section-head p:not(.eyebrow) { color: var(--muted); }
.section-intro { max-width: 70ch; margin-bottom: 2rem; color: var(--muted); }
.section-divider { height: 1px; margin: 0; border: 0; background: var(--line); }
.grid-2, .grid-3, .grid-4, .answer-grid, .stats { display: grid; gap: 0.9rem; }
.grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
.card { height: 100%; padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.card:hover { border-color: var(--line-strong); background: var(--panel-2); }
.card h3 { margin-bottom: 0.55rem; font-size: 1.08rem; letter-spacing: -0.02em; line-height: 1.25; }
.card p { color: var(--muted); font-size: 0.95rem; line-height: 1.55; }
.card-top { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 0.8rem; margin-bottom: 0.85rem; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem; margin-top: 1.15rem; }
.project-card { display: flex; flex-direction: column; }
.project-card .card-summary { flex: 1; }
.project-card .card-links { margin-top: 1.1rem; }
.project-card .card-links a { font-size: 0.88rem; }
.project-card .card-links a + a { margin-left: 0.85rem; }
.card-accent { border-top: 2px solid var(--cyan); }
.card-accent-gold { border-top: 2px solid var(--gold); }
.card-accent-green { border-top: 2px solid var(--green); }
.tag, .status { display: inline-flex; align-items: center; gap: 0.4rem; width: fit-content; padding: 0.28rem 0.55rem; border-radius: 999px; font: 600 0.68rem/1.2 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.status { white-space: normal; overflow-wrap: anywhere; }
.tag { border: 1px solid var(--line); color: var(--muted); }
.status::before { width: 0.38rem; height: 0.38rem; content: ""; border-radius: 50%; background: currentColor; }
.status-active, .status-live { color: var(--green); background: var(--green-dim); }
.status-development, .status-prototype { color: var(--cyan); background: var(--cyan-dim); }
.status-research, .status-early { color: var(--gold); background: var(--gold-dim); }
.status-private { color: var(--muted-2); background: rgba(116, 139, 152, 0.13); }
.status-neutral { color: var(--text); background: rgba(238, 247, 251, 0.1); }
.repo-line { display: flex; align-items: flex-start; gap: 0.65rem; margin-top: 1.15rem; color: var(--muted-2); font: 0.76rem/1.4 var(--mono); word-break: break-word; }
.repo-line svg { width: 1rem; height: 1rem; flex: 0 0 auto; margin-top: 0.1rem; }
.registry-summary { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-bottom: 1.4rem; }
.registry-summary .tag { padding: 0.45rem 0.7rem; }
.filters { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 1.4rem; }
.filter-button { padding: 0.55rem 0.75rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: transparent; font: 600 0.78rem var(--mono); }
.filter-button:hover, .filter-button[aria-pressed="true"] { border-color: var(--cyan); color: var(--ink); background: var(--cyan); }
.empty-state { padding: 1.3rem; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--muted); }

.stat-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem; margin-top: 1.7rem; }
.stat { padding: 1rem; border-left: 2px solid var(--cyan); background: var(--cyan-dim); }
.stat strong { display: block; font-size: 1.45rem; letter-spacing: -0.04em; }
.stat span { display: block; color: var(--muted); font-size: 0.78rem; }
.callout { padding: 1.25rem 1.35rem; border-left: 2px solid var(--cyan); background: var(--cyan-dim); }
.callout.gold { border-left-color: var(--gold); background: var(--gold-dim); }
.callout.green { border-left-color: var(--green); background: var(--green-dim); }
.callout strong { display: block; margin-bottom: 0.35rem; }
.callout p { color: var(--muted); }
.architecture { display: grid; gap: 0.75rem; padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink-2); }
.architecture-row { display: grid; gap: 0.75rem; align-items: stretch; }
.architecture-node { display: grid; min-height: 5rem; align-content: center; gap: 0.25rem; padding: 0.9rem; border: 1px solid var(--line-strong); background: var(--panel); }
.architecture-node strong { font-size: 0.95rem; }
.architecture-node span { color: var(--muted); font-size: 0.8rem; }
.architecture-arrow { display: grid; place-items: center; color: var(--cyan); font: 1.4rem var(--mono); }
.answer-grid { margin-top: 1.7rem; }
.answer { padding-top: 1.1rem; border-top: 1px solid var(--line); }
.answer h2 { margin-bottom: 0.55rem; font-size: 1.24rem; letter-spacing: -0.025em; }
.answer p, .answer li { color: var(--muted); }
.answer ul { display: grid; gap: 0.55rem; margin-top: 0.75rem; }
.answer li { position: relative; padding-left: 1.05rem; }
.answer li::before { position: absolute; top: 0.75em; left: 0; width: 0.35rem; height: 1px; content: ""; background: var(--cyan); }
.evidence-list { display: grid; gap: 0.75rem; }
.evidence-list li { display: grid; gap: 0.2rem; padding: 0.85rem 1rem; border: 1px solid var(--line); background: var(--panel); }
.evidence-list a, .evidence-list span { overflow-wrap: anywhere; }
.evidence-list span { color: var(--muted-2); font-size: 0.82rem; }
.faq { display: grid; gap: 0.9rem; }
.faq details { padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.faq summary { cursor: pointer; font-weight: 650; }
.faq details p { margin-top: 0.75rem; color: var(--muted); }
.reviewed { display: inline-flex; align-items: center; gap: 0.45rem; margin-top: 1.25rem; color: var(--muted-2); font: 0.75rem var(--mono); }
.reviewed::before { width: 0.42rem; height: 0.42rem; content: ""; border-radius: 50%; background: var(--green); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.8rem; color: var(--muted-2); font: 0.76rem var(--mono); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span::before { margin-right: 0.45rem; content: "/"; color: var(--muted-2); }

.process { counter-reset: process; display: grid; gap: 0.8rem; }
.process li { position: relative; min-height: 8rem; padding: 1.2rem 1.2rem 1.2rem 4rem; border: 1px solid var(--line); background: var(--panel); counter-increment: process; }
.process li::before { position: absolute; top: 1.3rem; left: 1.2rem; content: counter(process, decimal-leading-zero); color: var(--cyan); font: 600 0.8rem var(--mono); }
.process h3 { margin-bottom: 0.35rem; font-size: 1rem; }
.process p { color: var(--muted); font-size: 0.92rem; }
.contact-panel { display: grid; gap: 1.6rem; padding: clamp(1.5rem, 4vw, 2.4rem); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--panel); }
.contact-panel h2 { max-width: 14ch; font-size: clamp(1.8rem, 4vw, 2.7rem); letter-spacing: -0.05em; line-height: 1.05; }
.contact-panel p { max-width: 50ch; margin-top: 0.9rem; color: var(--muted); }
.contact-list { display: grid; gap: 0.75rem; }
.contact-list a { display: block; padding: 0.8rem 0; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; }
.contact-list a:hover { color: var(--cyan); }
.contact-list span { display: block; color: var(--muted-2); font: 0.7rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

.site-footer { padding: 3rem 0 1.5rem; border-top: 1px solid var(--line); background: var(--ink-2); }
.footer-top { display: grid; gap: 1.5rem; align-items: start; }
.footer-tagline { margin-top: 0.65rem; color: var(--muted); font-size: 0.9rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.2rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.7rem; padding-top: 1.5rem; margin-top: 2rem; border-top: 1px solid var(--line); color: var(--muted-2); font-size: 0.82rem; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-meta a { color: var(--muted); }

@media (min-width: 620px) {
  .grid-2, .answer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-strip { grid-template-columns: repeat(4, 1fr); }
  .architecture-row { grid-template-columns: 1fr auto 1fr auto 1fr; }
  .architecture-arrow { transform: none; }
  .process { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 820px) {
  .nav-desktop, .header-cta, .button.header-cta { display: flex; }
  .menu-toggle, .nav-mobile { display: none !important; }
  .page-hero-grid, .hero-grid { grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr); }
  .hero-grid { gap: 4rem; }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .contact-panel { grid-template-columns: 1.05fr 0.95fr; }
  .footer-top { grid-template-columns: 1fr auto; }
}
@media (min-width: 1080px) {
  .wrap { width: min(calc(100% - 3rem), var(--max)); }
  .process { grid-template-columns: repeat(4, 1fr); }
}