:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #e9f8ff;
  background: #06151e;
  --ice: #e9f8ff;
  --cyan: #2cb4fb;
  --gold: #ffb454;
  --muted: #a7c3d2;
  --line: rgb(173 220 241 / 17%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 280px; font-size: 16px; line-height: 1.7; }
a { color: var(--cyan); text-underline-offset: 4px; overflow-wrap: anywhere; }
a:hover { color: var(--ice); }
a:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
svg { display: block; }
p, ul, ol { margin: 0 0 20px; }
strong { color: var(--ice); }
code { color: var(--cyan); font: .9em ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace; overflow-wrap: anywhere; }
.skip { position: fixed; top: 12px; left: 12px; z-index: 5; padding: 12px; background: #06151e; transform: translateY(-180%); }
.skip:focus { transform: none; }

.page {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: 0 clamp(24px, 5.5vw, 88px);
  background:
    radial-gradient(ellipse at 91% 20%, rgb(44 180 251 / 15%), transparent 51%),
    radial-gradient(ellipse at 69% 92%, rgb(255 180 84 / 7%), transparent 36%),
    linear-gradient(125deg, #06151e 12%, #091e29 59%, #0e2d3e);
}
.page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .2;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(90deg, transparent 24%, #000);
}
.masthead, main, .site-footer { width: min(100%, 1280px); margin-inline: auto; }
.masthead { min-height: 106px; display: flex; align-items: center; justify-content: space-between; gap: 20px 32px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 14px; color: var(--ice); text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 36px; height: 36px; fill: var(--cyan); }
.brand-name { display: grid; gap: 4px; }
.brand-name small { color: var(--muted); font-size: 9px; font-weight: 600; letter-spacing: .3em; line-height: 1.2; }
.brand-name strong { font-size: 20px; letter-spacing: .15em; line-height: 1; }
.site-nav, .footer-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 24px; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; color: #c1d7e2; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ice); text-decoration: underline; }
.site-nav .main-site-link { color: var(--gold); gap: 8px; }
main { flex: 1; min-width: 0; }
.eyebrow, .label, .date, .site-footer { font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace; }
.eyebrow { margin: 0 0 24px; color: var(--cyan); font-size: 11px; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 1px; margin-right: 12px; vertical-align: middle; background: var(--cyan); }
h1 { margin: 0; font-size: clamp(46px, 6.2vw, 89px); font-weight: 780; letter-spacing: -.065em; line-height: 1.02; }
h1 .accent { color: var(--cyan); }
h2 { margin: 0 0 24px; font-size: clamp(25px, 3vw, 34px); line-height: 1.2; font-weight: 650; letter-spacing: -.03em; }
h3 { margin: 0 0 10px; font-size: 19px; line-height: 1.4; letter-spacing: -.02em; }
.intro { max-width: 560px; margin: 26px 0 0; color: #c1d7e2; font-size: clamp(16px, 1.35vw, 19px); line-height: 1.7; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: clamp(32px, 5vw, 72px); padding-block: 70px 76px; }
.hero > * { min-width: 0; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 24px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 48px; padding: 13px 19px; border: 1px solid var(--cyan); border-radius: 4px; background: var(--cyan); color: #041722; font-size: 14px; font-weight: 750; line-height: 1.5; text-decoration: none; transition: background .15s, border-color .15s; }
.button:hover { background: #77d1ff; border-color: #77d1ff; color: #041722; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 13px; color: #c1d7e2; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.install-note { max-width: 540px; margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.permission-panel::before { content: ""; position: absolute; top: -1px; left: -1px; width: 48px; height: 3px; background: var(--gold); }
.label { font-size: 10px; text-transform: uppercase; letter-spacing: .13em; color: var(--gold); }
main > section { padding-block: 48px; border-top: 1px solid var(--line); scroll-margin-top: 20px; }
.steps { padding-left: 24px; max-width: 850px; color: var(--muted); }
.steps li { padding-left: 8px; margin-bottom: 20px; }
.steps li::marker { color: var(--gold); font-family: ui-monospace, monospace; }
.prose { max-width: 850px; color: var(--muted); }
.prose p:last-child { margin-bottom: 0; }
.notice { padding: 20px 24px; border: 1px solid var(--line); border-left: 3px solid var(--gold); border-radius: 4px; background: rgb(6 21 30 / 65%); }
.site-footer { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px 28px; padding-block: 24px; border-top: 1px solid var(--line); color: #91b0c0; font-size: 11px; line-height: 1.6; }
.site-footer p { margin: 0; }
.footer-nav { gap: 4px 20px; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 40px; color: #a7c3d2; text-decoration: none; }
.footer-nav a:hover, .footer-nav a[aria-current="page"] { color: var(--ice); text-decoration: underline; }

main.document { width: min(100%, 860px); padding-block: 58px 70px; }
.document h1 { font-size: clamp(38px, 5vw, 58px); letter-spacing: -.05em; line-height: 1.12; }
.document .date { margin: 18px 0 32px; font-size: 12px; color: var(--gold); }
.document h2 { margin: 36px 0 14px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 24px; scroll-margin-top: 24px; }
.document p, .document li { color: #c1d7e2; }
.document ul { padding-left: 24px; }
.document li { margin-bottom: 12px; padding-left: 4px; }
.install-hero { align-items: start; }
.install-hero h1 { font-size: clamp(42px, 5.6vw, 72px); }
.install-hero .notice { margin-top: 28px; max-width: 580px; font-size: 14px; color: #c1d7e2; }
.permission-panel { position: relative; padding: 28px; border: 1px solid var(--line); border-radius: 4px; background: rgb(6 21 30 / 65%); }
.permission-panel h2 { margin-bottom: 20px; font-size: 25px; }
.permission-list { margin: 0; }
.permission-list dt { margin-top: 20px; color: var(--ice); font-weight: 650; }
.permission-list dd { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.permission-panel .install-note { padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; }
.install-steps { padding-left: 24px; }
.install-steps li { color: var(--muted); margin-bottom: 22px; padding-left: 10px; }
.install-steps li::marker { color: var(--gold); font-family: ui-monospace, monospace; }
.install-steps h3 { color: var(--ice); }
.install-steps p { margin-bottom: 0; max-width: 850px; }

.product-hero { grid-template-columns: minmax(0, .82fr) minmax(0, 1.3fr); align-items: center; gap: clamp(28px, 4vw, 56px); padding-block: 48px 60px; }
.product-hero h1 { font-size: clamp(46px, 4.7vw, 66px); }
.product-intro .intro { font-size: 17px; }
.product-points { display: grid; gap: 10px; margin: 30px 0 26px; padding-left: 18px; color: #c1d7e2; font-size: 14px; }
.product-points li { padding-left: 4px; }
.product-points li::marker { color: var(--cyan); }
.section-intro { max-width: 760px; margin-bottom: 32px; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 36px; }
.feature-card { padding-top: 20px; border-top: 1px solid var(--line); }
.feature-card .label { margin-bottom: 12px; color: var(--cyan); }
.feature-card p:last-child { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.feature-card strong { font-weight: 550; }
.source-explainer { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 64px; }
.source-explainer .section-intro { margin-bottom: 0; }
.source-list { margin: 0; }
.source-list > div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.source-list > div:first-child { padding-top: 0; }
.source-list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.source-list dt { color: var(--ice); font-weight: 650; }
.source-list dd { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

@media (max-width: 1100px) {
  .product-hero { grid-template-columns: 1fr; align-items: start; }
  .product-intro { max-width: 720px; }
  .product-intro h1 br:first-of-type { display: none; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .masthead { flex-wrap: wrap; padding-block: 22px 14px; }
  .site-nav { gap: 4px 20px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-block: 46px 52px; }
  .hero h1 { font-size: clamp(46px, 8vw, 76px); }
  .source-explainer { grid-template-columns: 1fr; }
  main > section { padding-block: 36px; }
  main.document { padding-block: 38px 48px; }
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; gap: 24px; }
  .product-intro h1 br:first-of-type { display: initial; }
}
@media (max-width: 420px) {
  .page { padding-inline: 20px; }
  .site-nav { gap: 0 16px; }
  .site-nav a { font-size: 12px; }
  .hero h1 { font-size: clamp(38px, 11vw, 46px); }
  .permission-panel { padding: 22px; }
  .notice { padding: 18px; }
  .footer-nav { gap: 0 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media (forced-colors: active) {
  .page { background: Canvas; }
  .page::before { display: none; }
  .brand-mark { fill: CanvasText; }
  .button { color: ButtonText; border-color: ButtonText; background: ButtonFace; }
  .permission-panel, .notice { border-color: CanvasText; }
  .eyebrow, .label, h1 .accent { color: CanvasText; }
}