:root {
  color-scheme: dark;
  --ink: #eff0e7;
  --muted: #a1aaa0;
  --quiet: #747f75;
  --paper: #101712;
  --panel: #151f19;
  --line: #2d3b31;
  --acid: #d1fb67;
  --orange: #f5a16c;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 15px; line-height: 1.55; }
body::before { position: fixed; z-index: -1; inset: 0; content: ""; pointer-events: none; opacity: .18; background-image: linear-gradient(rgba(222,242,224,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(222,242,224,.05) 1px, transparent 1px); background-size: 68px 68px; mask-image: linear-gradient(to bottom, #000, transparent 78%); }
a { color: inherit; }
.topbar { width: min(1120px, calc(100% - 64px)); height: 78px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 13px; font-weight: 760; letter-spacing: .08em; }
.mark { width: 28px; height: 28px; display: grid; place-items: center; color: var(--paper); background: var(--acid); border-radius: 50%; font-family: Georgia, serif; font-size: 17px; font-weight: 700; letter-spacing: 0; }
.wordmark-muted { color: var(--quiet); font-weight: 500; }
.topbar-right { display: flex; gap: 18px; align-items: center; color: var(--muted); font: 10px var(--mono); letter-spacing: .08em; }
.env { color: var(--acid); display: flex; align-items: center; gap: 8px; }
.env i, .route-foot-dot { width: 6px; height: 6px; display: inline-block; border-radius: 50%; background: var(--acid); box-shadow: 0 0 10px #d1fb6770; }
.topbar-rule { height: 17px; border-left: 1px solid var(--line); }
.topbar-host { color: var(--quiet); }
main { width: min(1120px, calc(100% - 64px)); margin: 0 auto; }
.hero { min-height: 455px; padding: 78px 0 63px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; border-bottom: 1px solid var(--line); }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0; color: var(--quiet); font: 10px var(--mono); letter-spacing: .16em; }
.eyebrow-line { display: inline-block; width: 25px; margin: 0 9px 3px 0; border-top: 1px solid var(--orange); }
h1 { margin: 24px 0 18px; font-size: clamp(50px, 6.1vw, 78px); line-height: .99; font-weight: 530; letter-spacing: -.07em; }
h1 em { color: var(--acid); font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.065em; }
.intro { max-width: 405px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.intro strong { color: var(--ink); font-weight: 590; }
.check-button { display: flex; width: 205px; height: 47px; margin-top: 27px; padding: 0 14px; align-items: center; gap: 11px; border: 1px solid #d1fb6780; border-radius: 3px; background: var(--acid); color: #172013; cursor: pointer; font: 650 12px var(--sans); transition: background .2s, transform .2s; }
.check-button:hover { background: #e0ffa0; transform: translateY(-2px); }
.check-button:focus-visible, a:focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }
.button-icon { font-size: 15px; }
.button-arrow { margin-left: auto; font-size: 17px; }
.check-result { min-height: 18px; margin: 9px 0 0 2px; color: var(--quiet); font: 10px var(--mono); }
.check-result.ok { color: var(--acid); }
.check-result.error { color: var(--orange); }
.hero-art { height: 310px; position: relative; display: grid; place-items: center; overflow: hidden; }
.hero-art::before { position: absolute; width: 265px; height: 265px; border-radius: 50%; content: ""; background: radial-gradient(circle, #d1fb6711, transparent 70%); }
.planet { width: 180px; height: 180px; position: relative; display: grid; place-items: center; border: 1px solid #d1fb6745; border-radius: 50%; background: radial-gradient(circle at 32% 30%, #38503b 0, #233329 33%, #17221b 70%); box-shadow: inset -25px -15px 35px #070e0b99, 0 0 50px #d1fb6714; }
.planet::after { position: absolute; inset: 10px; border: 1px dashed #d1fb6735; border-radius: 50%; content: ""; }
.planet-core { width: 19px; height: 19px; z-index: 1; border-radius: 50%; background: var(--acid); box-shadow: 0 0 35px #d1fb67a0; }
.planet-ring { position: absolute; z-index: 2; width: 250px; height: 67px; border: 1px solid #f5a16c; border-radius: 50%; transform: rotate(-22deg); box-shadow: 0 0 16px #f5a16c24; }
.orbit { position: absolute; width: 280px; height: 280px; border: 1px solid #dcebdd14; border-radius: 50%; }
.orbit-two { width: 355px; height: 355px; border-style: dashed; border-color: #dcebdd15; }
.art-coordinate { position: absolute; z-index: 3; color: #879288; font: 9px var(--mono); letter-spacing: .12em; }
.coordinate-top { top: 13px; right: 22px; }
.coordinate-bottom { left: 22px; bottom: 12px; color: var(--acid); }
.spark { position: absolute; color: var(--acid); font-size: 13px; }
.spark-one { top: 70px; left: 19%; color: var(--orange); }
.spark-two { right: 15%; bottom: 69px; }
.spark-three { top: 30%; right: 19%; color: var(--orange); font-size: 36px; }
.route-panel { padding: 31px 0 28px; border-bottom: 1px solid var(--line); }
.panel-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 26px; }
.panel-heading h2 { margin: 6px 0 0; font-size: 21px; font-weight: 540; letter-spacing: -.035em; }
.panel-index { color: var(--quiet); font: 10px var(--mono); letter-spacing: .1em; }
.route-flow { display: grid; grid-template-columns: 1fr 70px 1fr 70px 1fr; align-items: center; }
.route-node { min-height: 93px; position: relative; padding: 18px 14px 12px 59px; display: grid; grid-template-columns: 1fr; align-content: center; border: 1px solid var(--line); background: #131c16; }
.node-number { position: absolute; top: 9px; right: 11px; color: #69766c; font: 9px var(--mono); }
.node-icon { position: absolute; left: 17px; top: 31px; width: 29px; height: 29px; display: grid; place-content: center; color: var(--acid); border: 1px solid #d1fb6740; border-radius: 50%; }
.browser-icon { display: flex; gap: 2px; height: 23px; width: 29px; top: 35px; padding: 6px 5px 0; align-content: start; border-radius: 4px; }
.browser-icon i { width: 3px; height: 3px; border-radius: 50%; background: var(--acid); }
.proxy-icon { font: 19px var(--sans); }
.server-icon { display: flex; width: 28px; height: 28px; flex-direction: column; gap: 3px; padding: 6px; border-radius: 5px; }
.server-icon i { width: 100%; border-top: 1px solid var(--acid); }
.node-label { display: block; color: var(--quiet); font: 9px var(--mono); letter-spacing: .1em; }
.route-node strong { display: block; margin-top: 1px; color: var(--ink); font-size: 13px; font-weight: 590; }
.node-detail { margin-top: 4px; color: var(--quiet); font-size: 10px; }
.route-connector { height: 1px; position: relative; display: block; background: var(--line); }
.route-connector::after { position: absolute; top: -3px; right: 0; width: 6px; height: 6px; content: ""; border-top: 1px solid var(--quiet); border-right: 1px solid var(--quiet); transform: rotate(45deg); }
.route-connector i { position: absolute; top: -1px; left: 0; width: 28px; border-top: 1px solid var(--acid); opacity: .7; }
.route-foot { margin-top: 15px; display: flex; align-items: center; gap: 9px; color: var(--quiet); font: 10px var(--mono); }
.route-foot code { color: var(--orange); font: inherit; }
.route-foot-dot { width: 5px; height: 5px; }
.details-grid { padding: 31px 0 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.detail-card { min-height: 226px; padding: 25px 27px; border: 1px solid var(--line); background: var(--panel); }
.detail-card-main { background: linear-gradient(115deg, #19261d, #141e18); }
.detail-card h2 { margin: 17px 0 11px; font-size: 23px; font-weight: 540; letter-spacing: -.045em; line-height: 1.24; }
.detail-card h2 span { color: var(--acid); font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-style: italic; }
.detail-card p:not(.eyebrow) { max-width: 440px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.text-link { display: inline-flex; gap: 9px; margin-top: 19px; color: var(--acid); font: 11px var(--mono); text-decoration-color: #d1fb6750; text-underline-offset: 4px; }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.meta-symbol { color: var(--orange); font-size: 20px; }
dl { margin: 19px 0 0; }
dl div { padding: 7px 0; display: grid; grid-template-columns: 1fr 1.25fr; border-top: 1px solid #2d3b3180; }
dt { color: var(--quiet); font-size: 11px; }
dd { margin: 0; color: #d8dfd4; font: 10px var(--mono); text-align: right; }
footer { width: min(1120px, calc(100% - 64px)); min-height: 53px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; color: var(--quiet); font: 9px var(--mono); letter-spacing: .1em; }
.footer-right { letter-spacing: 0; }
.footer-right span { margin-left: 5px; color: var(--orange); }

@media (max-width: 760px) {
  .topbar, main, footer { width: min(100% - 36px, 540px); }
  .topbar { height: 66px; }
  .topbar-right { gap: 10px; font-size: 8px; }
  .topbar-host, .topbar-rule { display: none; }
  .hero { padding: 58px 0 37px; grid-template-columns: 1fr; }
  h1 { font-size: clamp(58px, 14vw, 78px); }
  .hero-art { height: 260px; margin-top: 14px; }
  .planet { width: 150px; height: 150px; }
  .planet-ring { width: 218px; height: 58px; }
  .orbit { width: 235px; height: 235px; }
  .orbit-two { width: 305px; height: 305px; }
  .route-flow { grid-template-columns: 1fr; gap: 0; }
  .route-node { min-height: 82px; }
  .route-connector { width: 1px; height: 23px; margin-left: 38px; }
  .route-connector::after { top: auto; right: -3px; bottom: 0; transform: rotate(135deg); }
  .route-connector i { top: 0; left: -1px; width: 1px; height: 10px; border-top: 0; border-left: 1px solid var(--acid); }
  .route-foot { align-items: flex-start; line-height: 1.6; }
  .route-foot-dot { flex: 0 0 5px; margin-top: 4px; }
  .details-grid { grid-template-columns: 1fr; gap: 12px; }
  .detail-card { min-height: 0; padding: 22px; }
  footer { gap: 10px; align-items: flex-start; flex-direction: column; justify-content: center; padding: 13px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}