:root {
  color-scheme: dark;
  --bg: #0B1211;
  --panel: #151D1C;
  --surface: #1E2625;
  --raised: #2A3433;
  --text: #E7ECEA;
  --muted: #96A19F;
  --faint: #83908B;
  --accent: #6EDDAD;
  --accent-soft: rgba(110, 221, 173, .12);
  --on-accent: #042317;
  --line: rgba(231, 236, 234, .09);
  --line-strong: rgba(231, 236, 234, .18);
  --glass: rgba(11, 18, 17, .9);
  --shadow: rgba(0, 0, 0, .28);
  --font: "MiSans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --radius-panel: 22px;
  --radius-inner: 14px;
  --radius-pill: 999px;
  --gutter: 32px;
  --section-space: clamp(72px, 8vw, 112px);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #EDF4F0;
  --panel: #FAFDFB;
  --surface: #DCE8E2;
  --raised: #FFFFFF;
  --text: #1B2A27;
  --muted: #4D5C58;
  --faint: #586660;
  --accent: #127250;
  --accent-soft: rgba(18, 114, 80, .09);
  --on-accent: #F6F9F7;
  --line: rgba(27, 42, 39, .12);
  --line-strong: rgba(27, 42, 39, .22);
  --glass: rgba(237, 244, 240, .92);
  --shadow: rgba(27, 42, 39, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.8 var(--font); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4, figure, dl, dd { margin: 0; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.3; text-wrap: balance; }
p { text-wrap: pretty; }
img, svg { vertical-align: middle; }
img { max-width: 100%; }
button, a, summary { touch-action: manipulation; }
button, .button, .icon-button, .text-link { transition: background-color .16s ease, color .16s ease, border-color .16s ease; }
button:active, .button:active { transform: scale(.98); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--on-accent); }
.wrap { width: min(calc(100% - var(--gutter) * 2), 1200px); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.icon { width: 22px; height: 22px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.icon.small { width: 17px; height: 17px; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; padding: 12px 20px; z-index: 100; border-radius: 12px; background: var(--accent); color: var(--on-accent); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; background: var(--glass); backdrop-filter: blur(16px); box-shadow: 0 1px var(--line); }
.header-inner { min-height: 76px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; min-height: 44px; gap: 11px; font-size: 17px; font-weight: 600; line-height: 1.25; letter-spacing: -.02em; white-space: nowrap; }
.brand img { flex: 0 0 auto; }
.header-tools, .site-nav { display: flex; align-items: center; gap: 8px; }
.header-tools { gap: 20px; }
.site-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 9px 15px; min-height: 44px; font-size: 14px; color: var(--muted); border-radius: var(--radius-pill); }
.site-nav a:hover { background: var(--surface); color: var(--text); }
.icon-button { display: inline-grid; place-items: center; width: 44px; height: 44px; flex: 0 0 auto; padding: 0; border-radius: 50%; border: 1px solid var(--line-strong); background: transparent; color: var(--muted); }
.icon-button:hover { color: var(--accent); background: var(--surface); }
.menu-toggle { display: none; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 20px; padding: 11px 25px; border-radius: var(--radius-pill); border: 1px solid transparent; font-size: 14px; font-weight: 600; text-align: center; }
.button.primary { color: var(--on-accent); background: var(--accent); }
.button.primary:hover { box-shadow: 0 0 0 5px var(--accent-soft); }
.button.secondary { border-color: var(--line-strong); background: var(--surface); }
.button.secondary:hover { border-color: var(--accent); color: var(--accent); }
.text-link { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; font-size: 14px; font-weight: 500; }
.text-link:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.eyebrow { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: .1em; }
.eyebrow-mark { width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }
.eyebrow-divider { color: var(--faint); margin-inline: 4px; }

.hero-top { display: grid; grid-template-columns: minmax(0, 1fr) 280px; align-items: center; gap: 72px; padding-block: 64px 48px; }
.hero h1 { margin-top: 22px; font-size: clamp(54px, 5.6vw, 80px); line-height: 1.16; letter-spacing: -.045em; }
.hero h1 span { color: var(--accent); }
.hero-description { margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin-top: 28px; }
.hero-aside { padding: 28px 0 28px 28px; border-left: 1px solid var(--line-strong); }
.aside-index { color: var(--faint); font-size: 9px; letter-spacing: .09em; }
.connection-mini { display: flex; align-items: center; gap: 12px; margin-block: 30px; color: var(--muted); }
.connection-mini > span { flex: 1; height: 1px; background: var(--line-strong); }
.hero-aside p { color: var(--text); line-height: 1.9; font-size: 18px; }
.aside-caption { display: block; margin-top: 14px; color: var(--faint); font-size: 12px; }
.showcase { background: var(--panel); border: 1px solid var(--line-strong); border-radius: var(--radius-panel); overflow: clip; }
.showcase-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; background: var(--surface); border-bottom: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.browser-dots { display: flex; gap: 6px; width: 122px; }
.browser-dots i { width: 7px; height: 7px; background: var(--faint); opacity: .5; border-radius: 50%; }
.showcase-label { font-size: 10px; }
.demo-body { display: grid; grid-template-columns: 174px minmax(0, 1fr); }
.demo-sidebar { display: flex; flex-direction: column; padding: 28px 16px 20px; border-right: 1px solid var(--line); }
.demo-brand { display: flex; gap: 10px; align-items: center; margin: 0 8px 30px; font-size: 12px; font-weight: 600; line-height: 1.35; }
.sidebar-label { margin: 0 12px 12px; color: var(--faint); font-size: 10px; }
.side-item { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; padding: 11px; color: var(--muted); font-size: 11px; border-radius: 9px; }
.side-item.selected { background: var(--accent-soft); color: var(--accent); }
.sidebar-foot { display: flex; align-items: center; gap: 9px; margin-top: auto; padding: 32px 8px 0; font-size: 11px; line-height: 1.5; }
.sidebar-foot small { display: block; color: var(--muted); font-size: 9px; }
.avatar { display: grid; place-items: center; width: 30px; height: 30px; background: var(--surface); border-radius: 50%; color: var(--accent); font-family: var(--mono); }
.demo-main { min-width: 0; padding: 22px 28px 28px; background: var(--bg); }
.demo-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.demo-title { font-size: 17px; font-weight: 600; letter-spacing: -.02em; }
.tab-list { display: inline-flex; gap: 4px; padding: 4px; background: var(--surface); border-radius: var(--radius-pill); }
.tab-list button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border: 0; border-radius: var(--radius-pill); padding: 7px 20px; color: var(--muted); background: transparent; white-space: nowrap; font-size: 12px; }
.tab-list button:hover { color: var(--text); }
.tab-list button[aria-selected="true"] { color: var(--text); background: var(--raised); box-shadow: 0 1px 4px var(--shadow); }
.demo-panel { min-height: 368px; }
.demo-panel + .demo-panel { margin-top: 32px; }
.js .demo-panel + .demo-panel { margin-top: 0; }
.js .demo-main { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; }
.js .demo-toolbar { grid-area: 1 / 1; }
.js .demo-panel { grid-area: 2 / 1; }
.js .demo-panel[hidden] { display: block !important; visibility: hidden; pointer-events: none; }
.demo-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.demo-stats > div { display: grid; padding: 14px 18px; border-radius: var(--radius-inner); background: var(--panel); }
.demo-stats > div > span { font-size: 11px; color: var(--muted); }
.demo-stats strong { font-family: var(--mono); font-size: 30px; line-height: 1.5; font-weight: 500; font-variant-numeric: tabular-nums; }
.demo-stats strong small { font-size: 12px; color: var(--faint); margin-left: 8px; }
.demo-stats > div > .stat-foot { color: var(--accent); font-size: 10px; }
.demo-overview-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 16px; }
.preview-card { padding: 16px 20px; background: var(--panel); border-radius: var(--radius-inner); min-width: 0; }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-heading h3 { font-size: 12px; }
.card-heading > span { color: var(--faint); font-size: 10px; }
.chart-legend { display: flex; align-items: center; gap: 14px; margin-top: 10px; color: var(--muted); font-size: 9px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 5px; }
.chart-legend span:last-child.mono { margin-left: auto; }
.chart-legend i { width: 6px; height: 6px; background: var(--accent); border-radius: 2px; }
.chart-legend i.peak { background: var(--faint); }
.bar-chart { display: flex; align-items: end; justify-content: space-around; gap: 14px; height: 118px; margin: 12px 0 24px; border-bottom: 1px solid var(--line-strong); }
.bar-pair { display: flex; align-items: end; justify-content: center; position: relative; gap: 4px; height: 100%; flex: 1; }
.bar-pair i { display: block; width: 11px; max-width: 40%; border-radius: 3px 3px 0 0; }
.bar-pair .average { height: var(--average); background: var(--accent); }
.bar-pair .peak { height: var(--peak); background: var(--faint); opacity: .8; }
.bar-pair > span { position: absolute; top: calc(100% + 6px); left: 0; width: 100%; text-align: center; color: var(--faint); font-size: 9px; }
.day-1 { --average: 60%; --peak: 87.14%; }
.day-2 { --average: 54.29%; --peak: 77.14%; }
.day-3 { --average: 48.57%; --peak: 70%; }
.day-4 { --average: 55.71%; --peak: 81.43%; }
.day-5 { --average: 44.29%; --peak: 61.43%; }
.day-6 { --average: 50%; --peak: 68.57%; }
.day-7 { --average: 40%; --peak: 55.71%; }
.tag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; font-size: 10px; line-height: 1.6; color: var(--accent); background: var(--accent-soft); border-radius: var(--radius-pill); white-space: nowrap; }
.tag.neutral { color: var(--muted); background: var(--surface); }
.service-row { display: flex; align-items: center; gap: 10px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.service-row:last-child { border-bottom: 0; padding-bottom: 2px; }
.service-icon { display: inline-grid; place-items: center; flex: 0 0 auto; width: 34px; height: 34px; background: var(--surface); color: var(--muted); border-radius: 10px; }
.service-name { flex: 1; min-width: 0; }
.service-name strong, .service-name small { display: block; overflow-wrap: anywhere; }
.service-name strong { font-size: 11px; font-weight: 500; }
.service-name small { color: var(--faint); font-family: var(--mono); font-size: 9px; line-height: 1.6; }
.service-status { flex-shrink: 0; color: var(--accent); font-size: 10px; }
.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; padding: 10px 0 24px; }
.panel-heading h2 { font-size: 20px; }
.panel-heading p { color: var(--muted); font-size: 12px; margin-top: 8px; }
.tunnel-list { background: var(--panel); padding-inline: 20px; border-radius: var(--radius-inner); }
.tunnel-row { display: grid; grid-template-columns: 34px 100px minmax(0, 1fr) auto; align-items: center; gap: 14px; padding-block: 18px; border-bottom: 1px solid var(--line); }
.tunnel-row:last-child { border: 0; }
.tunnel-row strong, .tunnel-row small { display: block; }
.tunnel-row strong { font: 12px/1.8 var(--mono); }
.tunnel-row small { font-size: 10px; color: var(--faint); }
.tunnel-route { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; font: 10px/1.7 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.tunnel-route .icon { color: var(--accent); }
.panel-note { margin-top: 18px; font-size: 11px; color: var(--muted); }
.dns-table { padding: 0 18px; background: var(--panel); border-radius: var(--radius-inner); }
table { width: 100%; border-collapse: collapse; text-align: left; }
.dns-table th, .dns-table td { padding: 16px 10px; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 400; }
.dns-table thead th { color: var(--muted); font-size: 11px; }
.dns-table tbody tr:last-child > * { border: 0; }
.dns-table tbody th, .dns-table td:nth-child(2) { font-family: var(--mono); }
.showcase-caption { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; padding-block: 16px 28px; font-size: 12px; }
.showcase-caption p { color: var(--muted); }
.showcase-caption > span { color: var(--faint); font-size: 10px; }
.product-facts { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px 24px; padding-block: 24px; border-block: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.product-facts span { display: inline-flex; align-items: center; gap: 8px; }
.product-facts .icon { color: var(--accent); }

.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 48px; }
.section-heading h2, .android-copy h2, .deploy-copy h2, .faq h2 { margin-top: 18px; font-size: clamp(30px, 3.5vw, 46px); line-height: 1.3; letter-spacing: -.035em; }
.section-heading > p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.feature-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; gap: 80px; }
.connection-map { background: var(--panel); border-radius: var(--radius-panel); padding: 28px; }
.map-label { display: block; color: var(--faint); font-size: 10px; letter-spacing: .07em; margin-bottom: 24px; }
.map-node { display: flex; align-items: center; gap: 14px; padding: 18px; background: var(--surface); border-radius: var(--radius-inner); }
.map-node > div { flex: 1; min-width: 0; }
.map-node strong, .map-node small { display: block; }
.map-node strong { font-size: 14px; font-weight: 500; }
.map-node small { font-size: 10px; margin-top: 3px; color: var(--muted); overflow-wrap: anywhere; }
.map-node > .mono { font-size: 10px; color: var(--faint); }
.map-icon { width: 44px; height: 44px; display: grid; place-items: center; color: var(--muted); flex-shrink: 0; }
.accent-node { border: 1px solid var(--line-strong); background: var(--accent-soft); }
.map-connector { position: relative; height: 44px; margin-left: 40px; padding-left: 30px; border-left: 1px dashed var(--faint); display: flex; align-items: center; }
.map-connector span { color: var(--faint); font-size: 10px; }
.map-foot { margin-top: 24px; color: var(--faint); font-size: 11px; }
.feature-list { list-style: none; margin: 0; padding: 0; }
.feature-list li { display: flex; gap: 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.feature-list li:first-child { padding-top: 0; }
.feature-list li:last-child { padding-bottom: 0; border: 0; }
.feature-index { padding-top: 5px; color: var(--accent); font-size: 11px; }
.feature-list h3 { font-size: 21px; letter-spacing: -.02em; }
.feature-list p { max-width: 40ch; margin-top: 12px; font-size: 14px; color: var(--muted); }
.feature-list .text-link { margin-top: 6px; font-size: 12px; }
.more-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 28px; margin-top: 44px; padding-block: 20px 0; border-top: 1px solid var(--line); font-size: 12px; }
.more-tools > span { color: var(--faint); margin-right: auto; }
.more-tools a { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; }
.more-tools a:hover { color: var(--accent); }
.mini-label { color: var(--faint); border: 1px solid var(--line-strong); border-radius: 5px; padding: 0 5px; font-size: 9px; }

.android-section { background: var(--panel); border-block: 1px solid var(--line); }
.android-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 72px; }
.android-copy h2 { font-size: clamp(34px, 4vw, 52px); }
.android-copy h2 span { color: var(--accent); }
.section-intro { margin-top: 22px; font-size: 16px; line-height: 1.9; color: var(--muted); }
.android-points { display: grid; gap: 24px; margin: 32px 0; padding: 0; list-style: none; }
.android-points li { display: flex; align-items: start; gap: 14px; }
.android-points .icon { color: var(--accent); margin-top: 2px; }
.android-points h3 { font-size: 15px; font-weight: 500; }
.android-points p { margin-top: 5px; color: var(--muted); font-size: 13px; }
.android-note { margin-top: 14px; color: var(--faint); font-size: 10px; }
.phone-figure { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 24px; min-width: 0; }
.phone-figure figcaption { color: var(--faint); font-size: 10px; text-align: center; line-height: 1.7; }
.phone { width: 320px; max-width: 100%; border: 6px solid var(--raised); border-radius: 42px; background: var(--bg); padding: 12px 8px 9px; box-shadow: 0 0 0 1px var(--line-strong), 0 28px 60px var(--shadow); }
.phone-status { position: relative; display: flex; justify-content: space-between; align-items: center; padding: 0 16px 14px; font: 10px/1.5 var(--mono); }
.camera-dot { position: absolute; left: calc(50% - 3px); top: 2px; width: 6px; height: 6px; background: var(--faint); opacity: .5; border-radius: 50%; }
.phone-appbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 2px 12px 12px; font-size: 11px; font-weight: 500; }
.phone-appbar > span { display: flex; align-items: center; gap: 7px; }
.phone-appbar > .icon { color: var(--muted); }
.phone-content { padding: 8px 10px 16px; }
.native-eyebrow { font-size: 9px; color: var(--muted); }
.phone-content > h3 { margin: 4px 0 16px; font-size: 22px; }
.phone-content > h3 > span { color: var(--accent); }
.native-card { padding: 14px; border-radius: 18px; background: var(--panel); }
.native-card-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 10px; }
.native-card-title > span:first-child { display: inline-flex; align-items: center; gap: 6px; }
.native-card-title > span:last-child { font-size: 8px; color: var(--faint); }
.status-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.native-health { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-block: 16px; }
.native-health h4 { font-size: 20px; }
.native-health p { margin-top: 4px; font-size: 8px; color: var(--muted); }
.health-ring { flex: 0 0 auto; width: 60px; height: 60px; border: 4px solid var(--accent); border-radius: 50%; display: grid; place-items: center; color: var(--accent); }
.native-path { display: flex; align-items: center; justify-content: space-between; gap: 4px; border-top: 1px solid var(--line); padding-top: 10px; color: var(--muted); font-size: 8px; }
.native-path span { color: var(--accent); }
.native-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-block: 10px; }
.native-stats > div { display: grid; gap: 3px; padding: 13px 14px; border-radius: 18px; background: var(--panel); }
.native-stats span { font-size: 9px; color: var(--muted); }
.native-stats strong { font: 26px/1.5 var(--mono); }
.native-stats small { margin-left: 6px; font-size: 10px; color: var(--faint); }
.native-stats em { font-size: 8px; font-style: normal; color: var(--accent); }
.native-chart .bar-chart { height: 75px; gap: 7px; margin-top: 16px; }
.native-chart .bar-pair { gap: 3px; }
.native-chart .bar-pair > span { font-size: 8px; }
.native-trend .chart-legend { font-size: 8px; justify-content: center; margin-top: 8px; }
.bottom-nav { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-inline: 6px; padding: 8px 13px; background: var(--surface); border: 1px solid var(--line); border-radius: 28px; }
.bottom-nav > span { display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 8px; color: var(--faint); }
.bottom-nav .icon { width: 17px; height: 17px; }
.bottom-nav .active { color: var(--accent); }
.bottom-nav > .nav-add { width: 34px; height: 34px; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); border-radius: 50%; }
.gesture-bar { width: 82px; height: 3px; margin: 12px auto 0; border-radius: 2px; background: var(--faint); opacity: .6; }

.ownership-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 72px; align-items: center; }
.storage-feature { padding: 32px; border: 1px solid var(--line-strong); border-radius: var(--radius-panel); background: var(--panel); }
.storage-icon { width: 32px; height: 32px; color: var(--accent); margin-bottom: 24px; }
.storage-feature h3 { font-size: 25px; margin-block: 10px 16px; letter-spacing: -.025em; }
.storage-feature > p:not(.eyebrow) { color: var(--muted); font-size: 14px; }
.storage-options { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-block: 24px; padding-block: 20px; border-block: 1px solid var(--line); font: 15px/1.8 var(--mono); }
.storage-options span + span { padding-left: 16px; border-left: 1px solid var(--line); }
.storage-options small { display: block; font: 11px/1.8 var(--font); color: var(--faint); }
.storage-feature > p.storage-note { font-size: 12px; }
.storage-feature .text-link { margin-top: 12px; font-size: 12px; }
.ownership-list > div { padding-block: 26px; border-bottom: 1px solid var(--line); }
.ownership-list > div:first-child { padding-top: 0; }
.ownership-list > div:last-child { padding-bottom: 0; border: 0; }
.ownership-list dt { display: flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 500; }
.ownership-list dt .icon { color: var(--accent); }
.ownership-list dd { margin-top: 12px; padding-left: 34px; color: var(--muted); font-size: 14px; }

.deploy-section { border-block: 1px solid var(--line); background: var(--panel); }
.deploy-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 72px; align-items: start; }
.setup-steps { display: grid; gap: 12px; margin: 28px 0 20px; padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.setup-steps li { display: flex; align-items: baseline; gap: 12px; }
.setup-steps span { width: 23px; height: 23px; text-align: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--accent); font: 11px/21px var(--mono); flex-shrink: 0; }
.install-card { min-width: 0; border: 1px solid var(--line-strong); padding: 8px; background: var(--bg); border-radius: var(--radius-panel); }
.install-tabs { display: flex; width: 100%; border-radius: 16px; background: var(--panel); }
.install-tabs > button { flex: 1; border-radius: 12px; }
.install-panel { display: flex; flex-direction: column; align-items: start; min-height: 352px; padding: 24px; }
.js .install-card { display: grid; grid-template-columns: minmax(0, 1fr); }
.js .install-tabs { grid-area: 1 / 1; }
.js .install-panel { grid-area: 2 / 1; }
.js .install-panel[hidden] { display: flex !important; visibility: hidden; pointer-events: none; }
.js .install-footer { grid-area: 3 / 1; }
.install-intro h3 { font-size: 18px; }
.install-intro p { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.command-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; width: 100%; margin-top: 22px; color: var(--faint); font-size: 10px; }
.command-heading > span { display: inline-flex; align-items: center; gap: 8px; }
.copy-button { min-height: 44px; display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px; background: transparent; border: 0; border-radius: var(--radius-pill); font-size: 10px; color: var(--muted); }
.copy-button:hover { color: var(--accent); background: var(--surface); }
pre { max-width: 100%; width: 100%; margin: 6px 0 16px; padding: 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); color: var(--text); overflow-x: auto; font: 11px/2 var(--mono); text-align: left; }
.install-panel > .text-link { margin-top: auto; font-size: 12px; }
.install-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 24px; padding: 8px 24px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.install-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.install-footer a:hover { color: var(--accent); }
.android-install { display: flex; align-items: center; gap: 16px; margin-block: 26px 20px; }
.android-install > .icon { width: 32px; height: 32px; color: var(--accent); }
.android-install strong, .android-install span { display: block; }
.android-install strong { font-size: 14px; font-weight: 500; }
.android-install span, .install-note { color: var(--faint); font-size: 11px; }
.install-note { margin-bottom: 18px; }
.faq { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 72px; }
.faq h2 { font-size: clamp(28px, 3vw, 38px); }
.faq > div > .text-link { margin-top: 24px; color: var(--muted); font-size: 12px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 22px; cursor: pointer; list-style: none; font-size: 14px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .icon { color: var(--faint); }
.faq-list details[open] summary .icon { transform: rotate(45deg); color: var(--accent); }
.faq-list p { padding-bottom: 24px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.faq-list p a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.closing { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 72px; padding: 32px; border-block: 1px solid var(--line-strong); }
.closing > div { display: flex; align-items: center; gap: 20px; }
.closing p { font-size: 25px; font-weight: 500; letter-spacing: -.035em; }
.closing p span { color: var(--accent); }
.closing .button { font-size: 12px; }

.site-footer { padding-block: 36px 28px; border-top: 1px solid var(--line); }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-top .brand { font-size: 15px; }
.footer-top p { font-size: 12px; color: var(--muted); }
.footer-top .text-link { font-size: 12px; }
.footer-bottom { margin-top: 36px; color: var(--faint); font-size: 10px; }
.footer-bottom nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 24px; }
.footer-bottom nav a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-bottom nav a:hover { color: var(--accent); }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 50; width: max-content; max-width: calc(100% - 32px); padding: 12px 22px; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--raised); color: var(--text); box-shadow: 0 8px 24px var(--shadow); transform: translate(-50%, 12px); opacity: 0; pointer-events: none; font-size: 13px; transition: transform .16s ease, opacity .16s ease; }
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }

.doc { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px 80px; padding-block: 72px 96px; align-items: start; }
.doc-head { position: sticky; top: 124px; }
.doc-head h1 { margin-block: 18px 24px; font-size: clamp(34px, 4vw, 52px); letter-spacing: -.03em; }
.doc-head > p:not(.eyebrow) { color: var(--muted); font-size: 14px; }
.doc-head > p.doc-meta { margin-top: 24px; color: var(--faint); font: 11px/1.8 var(--mono); }
.doc-body { display: grid; gap: 32px; min-width: 0; }
.doc-body section { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.doc-body h2 { margin-bottom: 16px; font-size: 21px; }
.doc-body h3 { margin-bottom: 12px; font-size: 17px; }
.doc-body p, .doc-body ul, .doc-body ol, .doc-body dd { color: var(--muted); font-size: 14px; line-height: 1.9; }
.doc-body p + p { margin-top: 12px; }
.doc-body ul, .doc-body ol { padding-left: 20px; }
.doc-body li { margin-bottom: 8px; }
.doc-body a, .doc-nav a { color: var(--accent); overflow-wrap: anywhere; }
.doc-body a:hover, .doc-nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.doc-body code { padding: 3px 6px; background: var(--surface); border-radius: 5px; font-family: var(--mono); font-size: .86em; overflow-wrap: anywhere; }
.doc-card { display: grid; gap: 20px; padding: 24px; border-radius: var(--radius-panel); background: var(--panel); margin-bottom: 20px; }
.doc-card dt { font-size: 15px; font-weight: 500; margin-bottom: 5px; }
.doc-note { padding: 20px 24px; border-radius: var(--radius-inner); background: var(--surface); font-size: 13px; }
.doc-nav { grid-column: 2; display: flex; flex-wrap: wrap; gap: 8px 24px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; }
.doc-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.error-page { min-height: 66vh; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 22px; padding-block: 72px; text-align: center; }
.error-code { color: var(--accent); font: 500 clamp(72px, 15vw, 148px)/1 var(--mono); letter-spacing: -.08em; }
.error-page h1 { font-size: clamp(25px, 4vw, 38px); }
.error-page > p:not(.error-code) { max-width: 42ch; color: var(--muted); font-size: 14px; }
.error-actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 20px; }

@media (max-width: 1100px) {
  .hero-top { gap: 36px; grid-template-columns: minmax(0, 1fr) 240px; }
  .feature-layout, .ownership-grid, .deploy-layout, .faq { gap: 40px; }
  .demo-body { grid-template-columns: 144px minmax(0, 1fr); }
  .demo-sidebar { padding-inline: 10px; }
  .demo-main { padding: 20px; }
  .tunnel-row { grid-template-columns: 34px 90px minmax(0, 1fr) auto; gap: 10px; }
  .tunnel-route { font-size: 9px; }
}

@media (max-width: 900px) {
  .hero-top { grid-template-columns: minmax(0, 1fr); }
  .hero-aside { display: none; }
  .hero h1 { font-size: clamp(52px, 8vw, 70px); }
  .demo-sidebar { display: none; }
  .demo-body { display: block; }
  .section-heading { align-items: start; gap: 28px; }
  .section-heading > p { max-width: 30ch; }
  .feature-layout, .ownership-grid, .deploy-layout, .faq { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .feature-layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px; }
  .connection-map { padding: 20px; }
  .map-node { padding: 14px; gap: 10px; }
  .map-node > .mono { display: none; }
  .map-node strong { font-size: 12px; }
  .map-node small { font-size: 9px; }
  .map-node > img, .map-icon { width: 30px; height: 30px; }
  .map-connector { margin-left: 28px; padding-left: 16px; }
  .map-connector span { font-size: 9px; }
  .feature-list h3 { font-size: 18px; }
  .feature-list li { gap: 14px; }
  .android-layout { gap: 32px; }
  .android-copy h2 { font-size: 36px; }
  .doc { grid-template-columns: minmax(0, 1fr); gap: 40px; max-width: 720px; }
  .doc-head { position: static; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
  .doc-nav { grid-column: 1; }
  .closing { padding-inline: 0; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; --section-space: 72px; }
  html { scroll-padding-top: 88px; }
  .site-header { background: var(--bg); backdrop-filter: none; }
  .header-inner { min-height: 68px; flex-wrap: wrap; gap: 8px; padding-block: 12px; }
  .brand { font-size: 15px; gap: 9px; }
  .brand img { width: 30px; height: 30px; }
  .header-tools { gap: 8px; }
  .site-nav { flex-wrap: wrap; gap: 4px; }
  .site-nav a { padding-inline: 10px; font-size: 12px; }
  .js .header-inner { flex-wrap: nowrap; }
  .js .site-nav { display: none; position: absolute; top: calc(100% + 8px); left: var(--gutter); right: var(--gutter); padding: 8px; background: var(--raised); border: 1px solid var(--line-strong); border-radius: 18px; box-shadow: 0 16px 32px var(--shadow); }
  .js .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; }
  .js .site-nav a { padding: 11px 16px; font-size: 14px; }
  .menu-toggle { display: inline-grid; }
  .icon-button { width: 44px; height: 44px; }
  .hero-top { padding-block: 48px 32px; gap: 0; }
  .hero h1 { margin-top: 20px; font-size: clamp(38px, 10vw, 58px); }
  .hero-description { margin-top: 20px; font-size: 14px; }
  .hero-description br { display: none; }
  .eyebrow { font-size: 9px; gap: 8px; }
  .hero-actions { gap: 22px; margin-top: 24px; }
  .button { min-height: 48px; padding: 11px 22px; font-size: 13px; gap: 16px; }
  .text-link { font-size: 12px; }
  .showcase { border-radius: 18px; }
  .showcase-bar { padding: 11px 16px; gap: 8px; }
  .showcase-bar > .mono { font-size: 9px; }
  .browser-dots { width: auto; gap: 4px; }
  .browser-dots i { width: 5px; height: 5px; }
  .showcase-label { font-size: 8px; }
  .demo-main { padding: 18px 14px; }
  .demo-toolbar { flex-direction: column; align-items: stretch; gap: 16px; margin-bottom: 16px; }
  .demo-title { font-size: 17px; }
  .demo-toolbar .tab-list { align-self: stretch; }
  .demo-toolbar .tab-list button { flex: 1; padding-inline: 10px; }
  .demo-stats { gap: 8px; margin-bottom: 12px; }
  .demo-stats > div { padding: 12px 10px; border-radius: 12px; }
  .demo-stats > div > span { font-size: 9px; }
  .demo-stats strong { font-size: 26px; line-height: 1.6; }
  .demo-stats strong small { font-size: 9px; margin-left: 4px; }
  .demo-stats > div > .stat-foot { font-size: 8px; }
  .demo-overview-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .demo-panel { min-height: 592px; }
  .preview-card { padding: 16px; }
  .card-heading h3 { font-size: 13px; }
  .bar-chart { height: 120px; }
  .service-card { padding-bottom: 16px; }
  .service-row { padding-block: 12px; }
  .service-name strong { font-size: 12px; }
  .service-name small { font-size: 10px; }
  .service-status { font-size: 11px; }
  .panel-heading { flex-direction: column; gap: 12px; padding: 4px 0 20px; }
  .panel-heading h2 { font-size: 18px; }
  .tunnel-list { padding-inline: 14px; }
  .tunnel-row { grid-template-columns: 34px minmax(0, 1fr) auto; gap: 10px; padding-block: 20px; }
  .tunnel-route { grid-row: 2; grid-column: 1 / -1; justify-content: start; font-size: 9px; padding-top: 4px; }
  .tunnel-row > .tag { grid-column: 3; grid-row: 1; }
  .dns-table { padding-inline: 6px; }
  .dns-table th, .dns-table td { padding: 18px 7px; font-size: 10px; }
  .dns-table thead th { font-size: 10px; }
  .dns-table .tag { padding-inline: 6px; font-size: 9px; }
  .showcase-caption { padding-block: 16px 24px; gap: 4px; }
  .showcase-caption p { width: 100%; font-size: 12px; }
  .product-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 12px; padding-block: 20px; font-size: 10px; }
  .section-heading { display: block; margin-bottom: 32px; }
  .section-heading h2, .deploy-copy h2 { font-size: 34px; }
  .section-heading > p { margin-top: 20px; font-size: 13px; }
  .feature-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .connection-map { padding: 24px; }
  .map-node { padding: 16px; }
  .map-node strong { font-size: 13px; }
  .map-node small { font-size: 10px; }
  .map-node > img, .map-icon { width: 36px; height: 36px; }
  .map-connector { margin-left: 34px; }
  .map-connector span { font-size: 10px; }
  .feature-list li { gap: 20px; }
  .feature-list h3 { font-size: 20px; }
  .more-tools { gap: 4px 22px; margin-top: 32px; }
  .more-tools > span { width: 100%; }
  .android-layout { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .android-copy h2 { font-size: 38px; }
  .section-intro { font-size: 14px; }
  .phone-figure { padding-inline: 8px; }
  .ownership-grid { gap: 32px; }
  .storage-feature { padding: 24px; }
  .storage-feature h3 { font-size: 22px; }
  .storage-options { gap: 12px; font-size: 12px; }
  .storage-options span + span { padding-left: 12px; }
  .storage-options small { font-size: 10px; }
  .ownership-list dt { font-size: 16px; }
  .ownership-list dd { font-size: 13px; }
  .install-card { padding: 6px; }
  .install-panel { min-height: 384px; padding: 20px 14px; }
  .install-tabs > button { padding-inline: 12px; font-size: 11px; }
  .install-intro h3 { font-size: 17px; }
  pre { padding: 14px; font-size: 10px; }
  .install-footer { padding-inline: 14px; gap: 0 20px; }
  .faq { gap: 32px; }
  .faq h2 { font-size: 32px; }
  .faq-list summary { gap: 14px; font-size: 13px; }
  .closing { flex-direction: column; align-items: start; gap: 24px; margin-bottom: 40px; padding-block: 32px; }
  .closing > div { gap: 14px; }
  .closing p { font-size: 24px; }
  .closing img { width: 36px; height: 36px; }
  .footer-top { align-items: start; flex-direction: column; gap: 12px; }
  .footer-bottom { margin-top: 24px; gap: 8px; }
  .footer-bottom nav { gap: 8px 20px; }
  .doc { padding-block: 48px 64px; }
  .doc-head h1 { font-size: 38px; }
  .doc-card { padding: 20px; }
  .doc-body h2 { font-size: 20px; }
  .doc-body p, .doc-body ul, .doc-body ol, .doc-body dd { font-size: 14px; }
}

@media (max-width: 360px) {
  :root { --gutter: 16px; }
  .brand { font-size: 13px; gap: 7px; }
  .brand img { width: 26px; height: 26px; }
  .header-tools { gap: 5px; }
  .hero h1 { font-size: 38px; }
  .eyebrow { letter-spacing: .04em; }
  .demo-main { padding-inline: 10px; }
  .demo-stats > div { padding-inline: 8px; }
  .demo-stats > div > span { font-size: 8px; }
  .demo-stats strong { font-size: 23px; }
  .demo-stats > div > .stat-foot { font-size: 7px; }
  .phone-figure { padding-inline: 0; }
  .phone { border-width: 5px; padding-inline: 5px; }
  .phone-content { padding-inline: 7px; }
  .native-card { padding: 12px; }
  .native-health h4 { font-size: 18px; }
  .health-ring { width: 54px; height: 54px; }
  .storage-feature { padding: 20px; }
  .storage-feature h3 { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  button:active, .button:active { transform: none; }
}