:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --navy: #16213a;
  --text: #101828;
  --muted: #5f6c80;
  --faint: #7b8799;
  --line: #d7dee8;
  --line-strong: #bcc8d8;
  --brand: #3157d5;
  --brand-dark: #2445b5;
  --teal: #0f8f83;
  --mint: #14866d;
  --amber: #a96312;
  --red: #c83b50;
  --shadow: 0 24px 70px rgba(22, 33, 58, .10), 0 2px 8px rgba(22, 33, 58, .05);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
.hidden { display: none !important; }
html { background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
:where(a, button):focus-visible { outline: 2px solid var(--brand); outline-offset: 4px; border-radius: 9px; }

.site-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(760px 460px at 84% -10%, rgba(49, 87, 213, .10), transparent 72%), radial-gradient(560px 380px at -8% 26%, rgba(15, 143, 131, .06), transparent 72%);
}
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 40; padding: 9px 13px; color: #fff; background: var(--brand); transform: translateY(-180%); }
.skip-link:focus { transform: none; }

.site-header, main, .site-footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 20; min-height: 76px;
  display: flex; align-items: center; gap: 28px;
  border-bottom: 1px solid rgba(188, 200, 216, .72);
  background: rgba(246, 248, 251, .88); backdrop-filter: blur(18px) saturate(130%);
}
.site-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); text-decoration: none; white-space: nowrap; }
.site-brand img { border-radius: 9px; box-shadow: 0 8px 24px rgba(49, 87, 213, .14); }
.site-brand b { color: var(--text); }
.site-header nav { display: flex; align-items: center; gap: 4px; margin-right: auto; }
.site-header nav a { padding: 8px 10px; color: var(--muted); font-size: 13px; font-weight: 620; text-decoration: none; border-radius: 8px; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--brand); background: rgba(49, 87, 213, .07); }

.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 16px;
  color: var(--brand); font-size: 13px; font-weight: 760; text-decoration: none;
  border: 1px solid rgba(49, 87, 213, .42); border-radius: 9px; background: var(--surface);
  box-shadow: 0 1px 2px rgba(22, 33, 58, .04); transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.button:hover { color: var(--brand-dark); border-color: var(--brand); background: #f8faff; transform: translateY(-1px); }
.button.primary { color: #fff; border-color: var(--brand); background: var(--brand); box-shadow: 0 12px 30px rgba(49, 87, 213, .20); }
.button.primary:hover { color: #fff; background: var(--brand-dark); }
.button.quiet { min-height: 38px; padding-block: 8px; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }

.eyebrow { margin: 0 0 16px; color: var(--teal); font-size: 11px; font-weight: 850; letter-spacing: .17em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--navy); letter-spacing: -.04em; }
.home-hero { display: grid; grid-template-columns: 1fr .92fr; align-items: center; gap: 72px; padding: 92px 0 78px; }
h1 { margin-bottom: 25px; font-size: clamp(46px, 5.2vw, 68px); line-height: .98; letter-spacing: -.052em; }
h1 span { color: var(--brand); }
.lede { max-width: 710px; margin-bottom: 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.65; }
.access-note { margin: 16px 0 0; color: var(--faint); font-size: 12px; }

.hero-proof { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.hero-proof img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border-block: 1px solid var(--line); background: var(--navy); }
.proof-top { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 8px; padding: 13px 16px; color: var(--navy); font-size: 11px; }
.proof-top span:last-child { color: var(--muted); text-align: right; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(20, 134, 109, .09); }
.hero-proof dl { margin: 0; padding: 8px 17px 13px; }
.hero-proof dl div { display: flex; justify-content: space-between; gap: 22px; padding: 8px 0; font-size: 11px; border-bottom: 1px solid #e9edf3; }
.hero-proof dl div:last-child { border: 0; }
.hero-proof dt { color: var(--faint); }
.hero-proof dd { margin: 0; color: var(--navy); font-weight: 650; text-align: right; }

.fact-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--line); box-shadow: 0 10px 32px rgba(22, 33, 58, .05); }
.fact-strip span { padding: 17px; color: var(--navy); font-size: 12px; font-weight: 720; text-align: center; background: var(--surface); }
.section { padding: 112px 0 10px; }
.section-lead { max-width: 760px; margin-bottom: 43px; }
.section-lead h2, .split-feature h2, .callout h2, .doc-hero h1 { margin-bottom: 17px; font-size: clamp(34px, 5vw, 58px); line-height: 1.06; }
.section-lead > p:last-child, .split-feature p, .callout p { max-width: 680px; color: var(--muted); font-size: 16px; line-height: 1.7; }

.three-grid, .status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card, .status-grid article { padding: 27px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: 0 12px 36px rgba(22, 33, 58, .045); }
.index { display: block; margin-bottom: 34px; color: var(--brand); font: 800 11px/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.card h3, .status-grid h3 { margin-bottom: 11px; font-size: 20px; }
.card p, .status-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.split-feature { display: grid; grid-template-columns: 1fr .72fr; align-items: center; gap: 76px; }
.text-link { color: var(--brand); font-size: 14px; font-weight: 750; text-decoration: none; }
.text-link:hover { color: var(--brand-dark); }

.zone-visual { position: relative; min-height: 360px; overflow: hidden; display: grid; place-content: center; text-align: center; border: 1px solid rgba(15, 143, 131, .24); border-radius: 18px; background: radial-gradient(circle, rgba(49, 87, 213, .08), rgba(15, 143, 131, .025) 58%, transparent 70%), var(--surface); }
.zone-ring { position: absolute; inset: 50%; border: 1px solid rgba(49, 87, 213, .28); border-radius: 50%; transform: translate(-50%, -50%); }
.zone-ring.outer { width: 300px; height: 300px; }
.zone-ring.inner { width: 180px; height: 180px; background: rgba(49, 87, 213, .04); }
.zone-pin { width: 17px; height: 17px; margin: 0 auto 16px; border: 4px solid #fff; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 12px rgba(15, 143, 131, .13); }
.zone-visual span, .zone-visual small { position: relative; display: block; }
.zone-visual span { color: var(--navy); font-weight: 800; }
.zone-visual small { margin-top: 7px; color: var(--muted); }

.status { display: inline-block; margin-bottom: 26px; padding: 5px 8px; font-size: 10px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; border: 1px solid; border-radius: 999px; }
.status.working { color: var(--mint); border-color: rgba(20, 134, 109, .30); background: rgba(20, 134, 109, .06); }
.status.experimental { color: var(--amber); border-color: rgba(169, 99, 18, .30); background: rgba(169, 99, 18, .06); }
.status.partial { color: var(--brand); border-color: rgba(49, 87, 213, .28); background: rgba(49, 87, 213, .06); }

.callout { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin: 100px 0 80px; padding: 45px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(135deg, #fff, #f0f4fa); box-shadow: 0 18px 55px rgba(22, 33, 58, .06); }
.callout .button-row { flex: none; }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 30px; padding: 34px 0 48px; color: var(--muted); border-top: 1px solid var(--line); }
.site-footer p { margin: 8px 0 0; font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 22px; }
.site-footer nav a { color: var(--muted); font-size: 12px; text-decoration: none; }
.site-footer nav a:hover { color: var(--brand); }
.footer-note { grid-column: 1 / -1; color: var(--faint); }

.hardware-hero { display: grid; grid-template-columns: 1fr .65fr; align-items: center; gap: 70px; padding: 92px 0 52px; }
.hardware-hero h1 { margin-bottom: 25px; }
.alpha-panel { padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.alpha-panel h2 { margin: 0 0 13px; font-size: 27px; line-height: 1.1; }
.alpha-panel p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.product-section { display: grid; grid-template-columns: 1fr 410px; align-items: center; gap: 80px; }
.product-section.reverse { grid-template-columns: 410px 1fr; }
.product-section.reverse .product-copy { grid-column: 2; }
.product-section.reverse .product-card { grid-column: 1; grid-row: 1; }
.product-copy h2 { margin-bottom: 18px; font-size: clamp(36px, 5vw, 58px); }
.product-copy > p { color: var(--muted); font-size: 16px; line-height: 1.72; }
.feature-list { display: grid; gap: 10px; padding: 0; margin: 28px 0; list-style: none; }
.feature-list li { position: relative; padding-left: 27px; color: var(--navy); font-size: 14px; font-weight: 650; line-height: 1.5; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 900; }
.source-note { font-size: 12px !important; }
.source-note a { color: var(--brand); }
.product-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.product-kicker { color: var(--teal); font-size: 11px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.product-mark { display: grid; place-content: center; width: 150px; height: 150px; margin: 30px auto; color: #fff; text-align: center; border-radius: 34px; background: linear-gradient(145deg, var(--brand), #17398f); box-shadow: 0 20px 44px rgba(49, 87, 213, .24); }
.product-mark span { font-size: 55px; font-weight: 850; line-height: .9; letter-spacing: -.06em; }
.product-mark small { margin-top: 8px; font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.product-mark.server { background: linear-gradient(145deg, var(--teal), #075b59); }
.product-card dl { margin: 0 0 22px; }
.product-card dl div { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid #e9edf3; font-size: 12px; }
.product-card dt { color: var(--faint); }
.product-card dd { margin: 0; color: var(--navy); font-weight: 750; text-align: right; }
.full-width { width: 100%; margin-top: 10px; }
button.button:disabled { color: var(--faint); border-color: var(--line); background: var(--surface-2); box-shadow: none; cursor: not-allowed; transform: none; }
.order-note, .microcopy, .mission-card p { color: var(--muted); font-size: 12px; line-height: 1.55; }
.microcopy { margin: 14px 0 0; }
.mission-card h3 { margin-bottom: 10px; font-size: 22px; }
.os-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.os-grid article { padding: 27px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.os-grid h3 { margin-bottom: 10px; font-size: 24px; }
.os-grid p { min-height: 115px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.order-result { max-width: 780px; min-height: 68vh; display: flex; flex-direction: column; justify-content: center; padding: 70px 0; }
.result-icon { display: grid; place-content: center; width: 58px; height: 58px; margin-bottom: 24px; color: #fff; font-size: 25px; font-weight: 900; border-radius: 50%; background: var(--mint); }
.order-result h1 { margin-bottom: 20px; }
.public-phone-layout { min-height: 690px; display: grid; grid-template-columns: 1fr 410px; align-items: center; gap: 80px; padding: 80px 0 48px; }
.public-phone-layout h1 { margin-bottom: 24px; }
.public-warning { max-width: 700px; margin: 28px 0 20px; padding: 18px 20px; color: #733c08; border: 1px solid rgba(169, 99, 18, .28); border-radius: 11px; background: rgba(169, 99, 18, .07); }
.public-warning p { margin: 6px 0 0; color: #795b3b; font-size: 13px; line-height: 1.6; }
.public-open { min-width: 220px; }
.public-phone-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.public-screen { display: grid; place-content: center; width: 180px; height: 260px; margin: 10px auto 28px; color: #fff; text-align: center; border: 8px solid var(--navy); border-radius: 28px; background: linear-gradient(160deg, var(--teal), #0b5f69); box-shadow: 0 22px 48px rgba(22, 33, 58, .18); }
.public-screen span { font-size: 28px; font-weight: 900; letter-spacing: .08em; }
.public-screen small { margin-top: 8px; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.public-phone-card dl { margin: 0; }
.public-phone-card dl div { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-bottom: 1px solid #e9edf3; font-size: 12px; }
.public-phone-card dl div:last-child { border: 0; }
.public-phone-card dt { color: var(--faint); }
.public-phone-card dd { margin: 0; color: var(--navy); font-weight: 750; text-align: right; }

.doc-hero { max-width: 850px; padding: 86px 0 44px; }
.doc-hero .lede { max-width: 760px; }
.docs-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 52px; padding-bottom: 90px; }
.docs-nav { position: sticky; top: 100px; align-self: start; display: grid; gap: 4px; }
.docs-nav a { padding: 8px 10px; color: var(--muted); font-size: 13px; text-decoration: none; border-radius: 8px; }
.docs-nav a:hover, .docs-nav a[aria-current="page"] { color: var(--brand); background: rgba(49, 87, 213, .07); }
.prose { min-width: 0; }
.prose section { padding: 0 0 46px; scroll-margin-top: 110px; }
.prose h2 { margin-bottom: 14px; font-size: 30px; }
.prose h3 { margin: 28px 0 10px; font-size: 19px; }
.prose p, .prose li { color: var(--muted); font-size: 15px; line-height: 1.72; }
.prose a { color: var(--brand); }
.prose code { color: var(--navy); font: 12px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; }
.code-block { position: relative; overflow: auto; padding: 18px; border: 1px solid #26354e; border-radius: 10px; background: var(--navy); }
.code-block code { color: #e7edf8; white-space: pre; }
.note { padding: 17px 19px; color: var(--navy); border-left: 3px solid var(--brand); border-radius: 7px; background: rgba(49, 87, 213, .06); }
.note.warning { border-color: var(--amber); background: rgba(169, 99, 18, .06); }
.link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.link-card { padding: 20px; text-decoration: none; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.link-card b, .link-card span { display: block; }
.link-card span { margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.link-card:hover { border-color: rgba(49, 87, 213, .52); box-shadow: 0 12px 36px rgba(22, 33, 58, .06); }

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .home-hero, .split-feature { grid-template-columns: 1fr; }
  .home-hero { gap: 42px; }
  .three-grid, .status-grid { grid-template-columns: 1fr; }
  .fact-strip { grid-template-columns: 1fr 1fr; }
  .callout { align-items: flex-start; flex-direction: column; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; grid-template-columns: repeat(2, 1fr); }
  .hardware-hero, .product-section, .product-section.reverse { grid-template-columns: 1fr; gap: 42px; }
  .product-section.reverse .product-copy, .product-section.reverse .product-card { grid-column: auto; grid-row: auto; }
  .os-grid { grid-template-columns: 1fr; }
  .os-grid p { min-height: 0; }
  .public-phone-layout { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 600px) {
  .site-header, main, .site-footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 66px; gap: 12px; }
  .site-header .button { margin-left: auto; padding-inline: 11px; }
  .home-hero { padding-top: 60px; }
  .hero-proof dl div { display: block; }
  .hero-proof dd { margin-top: 3px; text-align: left; }
  .fact-strip, .link-grid { grid-template-columns: 1fr; }
  .section { padding-top: 82px; }
  .split-feature { gap: 35px; }
  .callout { margin-top: 76px; padding: 29px; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .docs-nav { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button:hover { transform: none; }
}