:root {
  color-scheme: light;
  --bg: #fff;
  --panel: #fafafa;
  --line: #eaeaea;
  --muted: #666;
  --text: #171717;
  --accent: #171717;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 14px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--text); outline-offset: 4px; }
::selection { background: #171717; color: #fff; }
.header, main, footer { max-width: 1200px; margin: auto; }
.header { height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 32px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 650; letter-spacing: -.8px; }
.brand svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 2; }
.brand-label { margin-left: 12px; font: 10px ui-monospace, monospace; letter-spacing: 1px; color: var(--muted); }
.header nav { display: flex; align-items: center; gap: 26px; font-size: 13px; color: var(--muted); }
.header nav a:hover { color: var(--text); }
.header nav a:last-child { border: 1px solid var(--text); border-radius: 6px; padding: 11px 18px; background: var(--text); color: #fff; font-weight: 600; box-shadow: 0 3px 8px #00000014; transition: background .2s; }
.header nav a:last-child:hover { background: #383838; }
.header nav span { margin-left: 8px; }
main { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.hero { position: relative; padding: 76px 32px 24px; text-align: center; overflow: hidden; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 80px 80px; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 30%, #fff 30%, #ffffffb3 60%, transparent 100%); pointer-events: none; }
.hero-copy, .signal-map { position: relative; }
.eyebrow { display: flex; align-items: center; gap: 9px; font: 10px ui-monospace, monospace; letter-spacing: 1.5px; color: var(--muted); }
.hero .eyebrow { justify-content: center; }
.square { display: inline-block; width: 5px; height: 5px; background: currentColor; }
.hero h1 { font-size: clamp(44px, 5.3vw, 72px); line-height: 1.2; letter-spacing: -3px; font-weight: 650; margin: 28px 0 24px; }
.hero h1 br { display: none; }
.highlight { color: #737373; }
.hero-description { color: var(--muted); font-size: 15px; line-height: 1.9; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; padding: 13px 20px; margin-top: 17px; border: 1px solid #171717; border-radius: 6px; background: #171717; color: white; font-size: 13px; font-weight: 500; transition: background .2s; }
.button:hover { background: #383838; }
.hero-footnote { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 11px; color: var(--muted); margin: 22px 0 0; }
.hero-footnote > span { width: 4px; height: 4px; background: #888; border-radius: 50%; }
.hero-footnote i { font-style: normal; color: #ccc; }
.signal-map { height: 320px; width: 540px; max-width: 100%; margin: 16px auto 0; overflow: hidden; }
.map-grid { position: absolute; inset: 0; background-image: radial-gradient(#bbb 1px, transparent 1px); background-size: 16px 16px; mask-image: radial-gradient(ellipse, #000, transparent 68%); }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid #e5e5e5; border-radius: 50%; transform: translate(-50%, -50%); aspect-ratio: 1; }
.orbit-one { width: 160px; }
.orbit-two { width: 270px; }
.orbit-three { width: 380px; border-style: dashed; }
.connections { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: #ccc; stroke-width: 1; }
.connections .flow-line { stroke: #555; stroke-dasharray: 22 580; animation: signal 9s linear infinite; }
@keyframes signal { to { stroke-dashoffset: -602; } }
.signal-core { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 94px; height: 94px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 9px; background: #fff; border: 1px solid #ccc; border-radius: 12px; box-shadow: 0 4px 16px #00000008; }
.signal-core svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.signal-core span { font-size: 11px; letter-spacing: -.3px; }
.map-node { position: absolute; display: flex; align-items: center; gap: 10px; padding: 11px 14px; border: 1px solid #ddd; background: #fff; border-radius: 6px; font-size: 11px; }
.map-node > span { font-size: 22px; color: #666; }
.map-node small { display: block; margin-top: 5px; font: 8px ui-monospace, monospace; letter-spacing: 1px; color: var(--muted); }
.node-exchange { left: 1%; top: 19%; }
.node-chain { right: 0; top: 22%; }
.node-social { left: 0; bottom: 24%; }
.node-launch { right: 0; bottom: 20%; }
.map-label { position: absolute; left: 50%; transform: translateX(-50%); font: 8px ui-monospace, monospace; letter-spacing: 1.5px; color: #777; white-space: nowrap; }
.label-top { top: 5%; }
.label-bottom { bottom: 5%; }
.map-coordinate { display: none; }
.overview { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); }
.overview > div { padding: 28px 32px; display: flex; flex-direction: column; gap: 10px; }
.overview > div + div { border-left: 1px solid var(--line); }
.overview strong { font-size: 28px; font-weight: 550; letter-spacing: -1px; }
.overview span { color: var(--muted); font-size: 11px; line-height: 1.6; }
.coverage, .flow, .getting-started { padding: 72px 32px 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 32px; }
.section-heading h2 { font-size: 30px; line-height: 1.45; font-weight: 600; letter-spacing: -1px; margin: 18px 0 0; }
.section-heading > p { color: var(--muted); font-size: 13px; line-height: 1.9; margin-bottom: 4px; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.filters { display: flex; flex-wrap: wrap; gap: 4px; }
.filters button { background: transparent; border: 1px solid transparent; border-radius: 5px; color: var(--muted); padding: 9px 10px; font-size: 12px; white-space: nowrap; transition: background .2s, color .2s; }
.filters button:hover { background: #f5f5f5; color: var(--text); }
.filters button[aria-pressed=true] { background: #171717; color: #fff; }
.search { display: flex; align-items: center; gap: 8px; border: 1px solid #ddd; border-radius: 6px; padding: 9px 10px; background: #fafafa; min-width: 195px; }
.search:focus-within { border-color: #888; box-shadow: 0 0 0 2px #0000000a; }
.search > span { font-size: 20px; line-height: 12px; color: var(--muted); }
.search input { width: 140px; min-width: 0; border: 0; background: transparent; color: var(--text); font-size: 12px; }
.search input:focus-visible { outline: none; }
.search input::placeholder { color: #777; opacity: 1; }
.search kbd { color: #777; border: 1px solid #ddd; border-radius: 3px; padding: 0 4px; font-size: 10px; }
.results-meta { font: 11px ui-monospace, monospace; color: var(--muted); margin: 22px 0 18px; }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.project-card { border: 1px solid #e5e5e5; border-radius: 8px; background: var(--bg); padding: 24px; min-height: 268px; display: flex; flex-direction: column; transition: border-color .2s, box-shadow .2s; }
.project-card:hover { border-color: #aaa; box-shadow: 0 3px 12px #00000006; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 24px; }
.project-icon { font: 13px ui-monospace, monospace; width: 36px; height: 36px; flex-shrink: 0; display: grid; place-items: center; border: 1px solid #e5e5e5; border-radius: 6px; color: #444; background: #fafafa; }
.card-category { font-size: 11px; color: var(--muted); }
.project-card h3 { font-weight: 600; font-size: 18px; line-height: 1.45; letter-spacing: -.4px; margin: 0 0 11px; }
.project-card p { font-size: 13px; color: var(--muted); line-height: 1.85; margin: 0 0 24px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tags span { font-size: 10px; line-height: 1.5; padding: 3px 6px; color: #666; background: #fafafa; border: 1px solid #eee; border-radius: 4px; }
.project-card.token-push { border-color: #ccc; }
.token-push .project-icon { background: #171717; color: #fff; border-color: #171717; }
.project-icon.has-logo { display: flex; gap: 6px; width: auto; border: 0; background: transparent; }
.project-icon img { display: block; width: 36px; height: 36px; object-fit: contain; padding: 5px; background: #fff; border: 1px solid #e5e5e5; border-radius: 6px; }
.project-icon img.logo-dark { background: #171717; border-color: #171717; }
.token-push-heading { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; }
.token-push-badge { display: inline-flex; align-items: center; gap: 6px; color: #444; font-size: 10px; }
.token-push-badge::before { content: ""; width: 4px; height: 4px; background: #444; border-radius: 50%; }
.token-push:hover { border-color: #888; }
.empty { text-align: center; padding: 60px 0; color: var(--muted); }
.empty button { background: #171717; border: 1px solid #171717; color: #fff; padding: 10px 15px; border-radius: 6px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); }
.steps article { padding: 28px; }
.steps article + article { border-left: 1px solid var(--line); }
.step-number { font: 11px ui-monospace, monospace; color: #777; }
.steps h3 { display: flex; justify-content: space-between; gap: 12px; font-size: 18px; font-weight: 550; margin-top: 26px; }
.steps h3 span { color: #888; font-size: 14px; }
.steps p { color: var(--muted); font-size: 13px; line-height: 1.85; }
.steps small { display: block; color: #777; font: 9px ui-monospace, monospace; line-height: 1.8; letter-spacing: .4px; margin-top: 25px; }
.closing { display: flex; align-items: center; gap: 14px; padding: 52px 32px; margin-top: 72px; border-top: 1px solid var(--line); background: #fafafa; }
.closing p { font-size: 19px; font-weight: 550; }
.closing p span { color: var(--muted); }
.closing > a { margin-left: auto; font-size: 12px; color: var(--muted); }
.closing > a:hover { color: var(--text); }
footer { border-top: 1px solid var(--line); padding: 26px 32px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
footer .brand { font-size: 16px; }
footer p { font-size: 11px; color: var(--muted); }
.skip { position: fixed; top: -70px; left: 12px; background: #171717; color: #fff; padding: 12px; z-index: 10; }
.skip:focus { top: 10px; }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.button-secondary { background: #fff; color: var(--text); border-color: #ddd; }
.button-secondary:hover { background: #f5f5f5; }
.hero-links { display: flex; justify-content: center; gap: 24px; margin-top: 20px; color: var(--muted); font-size: 12px; }
.hero-links a:hover, footer nav a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }
.extension-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-bottom: 32px; }
.extension-features article { padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.extension-features h3 { margin: 20px 0 12px; font-size: 18px; font-weight: 550; }
.extension-features p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.start-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; }
.resource-list { border-top: 1px solid var(--line); }
.resource-link { display: flex; align-items: center; gap: 22px; padding: 25px 16px; border-bottom: 1px solid var(--line); transition: background .2s; }
.resource-link:hover { background: var(--panel); }
.resource-number { font: 11px ui-monospace, monospace; color: var(--muted); }
.resource-link h3 { font-size: 16px; font-weight: 600; margin: 0 0 9px; }
.resource-link p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.resource-arrow { margin-left: auto; font-size: 20px; }
.service-card { padding: 32px; border: 1px solid var(--text); border-radius: 8px; background: var(--text); color: #fff; display: flex; flex-direction: column; align-items: flex-start; }
.service-card .eyebrow { color: #aaa; margin: 0; }
.service-card h3 { font-size: 26px; font-weight: 550; line-height: 1.5; letter-spacing: -.8px; margin: 26px 0 12px; }
.service-card > p:not(.eyebrow) { color: #ccc; font-size: 13px; line-height: 1.9; margin: 0 0 24px; }
.service-card .button { background: #fff; color: var(--text); width: 100%; margin-top: auto; border-color: #fff; }
.service-card .button:hover { background: #e5e5e5; }
.service-card small { color: #aaa; font-size: 11px; line-height: 1.8; margin-top: 14px; }
.social-follow { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; }
.social-follow strong { font-size: 14px; font-weight: 550; }
.social-follow p { font-size: 12px; color: var(--muted); line-height: 1.8; margin: 8px 0 0; }
.social-follow > a { font-size: 13px; white-space: nowrap; border-bottom: 1px solid #ccc; padding: 8px 0; }
.social-follow > a:hover { border-color: var(--text); }
.social-follow > a span { margin-left: 16px; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12px; color: var(--muted); }
@media (max-width: 1050px) {
  .toolbar { align-items: stretch; flex-direction: column; }
  .search { max-width: 320px; }
  .search input { width: 100%; }
  .brand-label { display: none; }
  .overview > div { padding: 24px; }
  .project-card { padding: 20px; }
}
@media (max-width: 760px) {
  .header { padding: 16px 20px; min-height: 68px; height: auto; flex-wrap: wrap; gap: 16px; }
  .start-grid, .extension-features { grid-template-columns: 1fr; }
  .extension-features { gap: 12px; }
  .resource-link { gap: 16px; padding: 24px 8px; }
  .service-card { padding: 28px; }
  .social-follow { align-items: flex-start; flex-direction: column; gap: 12px; }
  footer { flex-wrap: wrap; }
  footer nav { margin-left: auto; }
  .header nav { gap: 16px; font-size: 11px; }
  .header nav a:last-child { padding: 10px 12px; }
  .brand { font-size: 19px; }
  .brand svg { width: 26px; height: 26px; }
  .hero { padding: 56px 20px 20px; background-size: 56px 56px; }
  .hero h1 { font-size: 52px; letter-spacing: -2px; }
  .hero h1 br { display: block; }
  .hero-description { font-size: 13px; }
  .signal-map { height: 300px; margin-top: 24px; }
  .map-node { padding: 10px; font-size: 10px; gap: 7px; }
  .map-node > span { font-size: 18px; }
  .map-node small { font-size: 7px; }
  .map-label { font-size: 7px; }
  .signal-core { width: 82px; height: 82px; }
  .signal-core svg { width: 28px; }
  .overview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview > div { padding: 22px 20px; }
  .overview > div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .overview > div:nth-child(4) { border-top: 1px solid var(--line); }
  .overview strong { font-size: 24px; }
  .overview span { font-size: 10px; }
  .coverage, .flow, .getting-started { padding: 48px 20px 0; }
  .section-heading { display: block; margin-bottom: 26px; }
  .section-heading h2 { font-size: 27px; }
  .section-heading > p { margin-top: 16px; }
  .filters { gap: 4px; }
  .filters button { padding: 8px 10px; }
  .search { max-width: none; }
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-card { padding: 18px; }
  .project-card h3 { font-size: 17px; }
  .card-category { font-size: 10px; }
  .steps { grid-template-columns: 1fr; }
  .steps article { padding: 24px; }
  .steps article + article { border-left: 0; border-top: 1px solid var(--line); }
  .steps h3 { margin-top: 20px; }
  .closing { flex-wrap: wrap; padding: 32px 20px; margin-top: 48px; gap: 10px; }
  .closing p { font-size: 16px; }
  .closing > a { margin-left: 15px; }
  footer { padding: 24px 20px; align-items: flex-start; }
  footer p { margin: 3px 0; max-width: 150px; text-align: right; font-size: 10px; }
}
@media (max-width: 450px) {
  .header nav { gap: 12px; }
  .header nav span { display: none; }
  .hero h1 { font-size: 44px; }
  .hero .eyebrow { font-size: 8px; letter-spacing: 1px; }
  .desktop-break { display: none; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { padding: 24px; min-height: 240px; }
  .project-card h3 { font-size: 19px; }
  .card-top { margin-bottom: 22px; }
  .closing p span { display: block; margin-top: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .connections .flow-line { animation: none; }
  * { transition: none !important; }
}

/* Deployment snapshot: labels remain readable without relying on color. */
.runtime-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 18px; }
.runtime-caption { margin: 0 0 6px; font-size: 12px; font-weight: 550; }
.runtime-disclaimer { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.status-filter { display: flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 12px; color: var(--muted); }
.status-filter select { padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; }
.status-filter select:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.runtime-info { display: flex; align-items: flex-start; flex-direction: column; gap: 8px; margin: 0 0 16px; }
.runtime-info small { color: var(--muted); font-size: 11px; line-height: 1.7; }
.runtime-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; border-radius: 4px; font-size: 11px; line-height: 1.4; font-weight: 550; }
.runtime-badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.runtime-running { color: #17603a; background: #edf7f0; }
.runtime-partial { color: #88530b; background: #fff4dd; }
.runtime-stopped { color: #974040; background: #fff0ee; }
.runtime-unknown { color: #666; background: #f2f2f2; }
@media (max-width: 760px) {
  .runtime-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; }
}
