:root {
  color-scheme: dark;
  --bg: #111113;
  --panel: #1a1a1f;
  --panel-2: #222228;
  --fg: #fafafa;
  --muted: #c4c4cc;
  --dim: #9b9ba3;
  --border: #3f3f46;
  --border-strong: #52525b;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --blue: #60a5fa;
  --max: 1480px;
  --feature-width: min(68vw, 1240px);
  --sans: "Segoe UI Variable", "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; overflow-x: hidden; background: var(--bg); color: var(--fg); font-family: var(--sans); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { color: inherit; font: inherit; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }

#tsparticles { position: fixed; z-index: 0; inset: 0; pointer-events: none; }
.site-header, main, .site-footer { position: relative; z-index: 1; }

.skip-link { position: fixed; z-index: 99; top: 12px; left: 12px; padding: 8px 12px; transform: translateY(-160%); border-radius: 6px; background: var(--fg); color: var(--bg); font: 600 12px/1 var(--mono); text-decoration: none; }
.skip-link:focus { transform: none; }

.site-header { display: flex; width: min(calc(100% - 40px), var(--max)); height: 72px; margin: 0 auto; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.09); }
.brand { display: inline-flex; gap: 10px; align-items: center; font: 700 14px/1 var(--mono); text-decoration: none; }
.brand-mark { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 7px; background: var(--fg); color: var(--bg); font-size: 13px; }
.brand-tag { padding-left: 10px; border-left: 1px solid var(--border); color: var(--dim); font-size: 12px; font-weight: 500; }
.header-nav { display: flex; gap: 4px; align-items: center; }
.nav-link { display: inline-flex; min-height: 36px; gap: 7px; padding: 0 11px; align-items: center; border: 1px solid transparent; border-radius: 7px; color: var(--muted); font-size: 13px; font-weight: 600; text-decoration: none; }
.nav-link:hover { border-color: var(--border); background: var(--panel); color: var(--fg); }
.nav-github { margin-left: 4px; border-color: var(--border); color: var(--fg); }
.nav-github svg { width: 15px; height: 15px; }

.hero, .section { width: var(--feature-width); margin: 0 auto; }
.hero { padding: clamp(64px, 8vw, 112px) 0 110px; }
.hero-intro { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(50px, 7vw, 110px); align-items: end; }
.eyebrow, .section-kicker { display: flex; gap: 9px; align-items: center; margin: 0 0 18px; color: var(--muted); font: 600 12px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(34,197,94,.1); }
.hero h1 { max-width: 850px; margin: 0; font-size: clamp(2.1rem, 3.4vw, 3.1rem); font-weight: 680; letter-spacing: -.06em; line-height: .98; }
.hero-summary > p { max-width: 640px; margin: 0; color: var(--muted); font-size: clamp(16px, 1.25vw, 19px); line-height: 1.65; }
.hero-summary strong { color: var(--fg); font-weight: 600; }
.actions { display: flex; gap: 9px; margin-top: 28px; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 43px; gap: 8px; padding: 0 16px; align-items: center; justify-content: center; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--panel); color: var(--fg); font-size: 13px; font-weight: 650; text-decoration: none; transition: transform .16s ease, background .16s ease; }
.button:hover { transform: translateY(-2px); background: var(--panel-2); }
.button-primary { border-color: var(--fg); background: var(--fg); color: var(--bg); }
.button-primary:hover { background: #e4e4e7; }
.hero-facts { display: flex; gap: 12px 22px; margin-top: 28px; color: var(--dim); font: 500 12px/1.3 var(--mono); flex-wrap: wrap; }

.demo-shell { --cycle: 3.6s; min-width: 0; max-width: 100%; margin-top: 50px; overflow: hidden; border: 1px solid var(--border-strong); border-radius: 12px; background: #161618; box-shadow: 0 30px 90px rgba(0,0,0,.4); font-family: var(--mono); line-height: 1.35; }
.demo-shell.is-manual { --cycle: 10s; }
.demo-chrome { display: grid; height: 38px; padding: 0 14px; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--border); background: #1c1c20; color: var(--dim); font-size: 12px; }
.demo-chrome > :last-child { justify-self: end; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--border-strong); }
.window-dots i:first-child { background: var(--red); }
.window-dots i:nth-child(2) { background: var(--yellow); }
.window-dots i:nth-child(3) { background: var(--green); }
.demo-mode { color: var(--muted); }
.demo-statusbar { display: flex; min-height: 44px; gap: 20px; padding: 0 18px; align-items: center; border-bottom: 1px solid var(--border); color: #d4d4d8; font-size: 13px; }
.demo-statusbar strong { color: #818cf8; font-size: 15px; }
.status-inline { display: inline-flex; gap: 7px; align-items: center; }
.status-inline i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.status-right { margin-left: auto; color: var(--green); }
.traffic-up { color: var(--green); }
.traffic-down { color: var(--blue); }

.demo-workspace { display: grid; min-width: 0; grid-template-columns: 174px minmax(0,1fr); }
.demo-rail-wrap { position: relative; min-width: 0; padding: 17px 12px; border-right: 1px solid var(--border); background: #18181b; }
.rail-label { margin: 0 10px 10px; color: var(--dim); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.demo-rail { display: grid; gap: 4px; }
.demo-tab { position: relative; display: grid; width: 100%; min-height: 36px; padding: 0 10px; overflow: hidden; grid-template-columns: 24px 1fr; align-items: center; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--muted); font: 600 13px/1 var(--mono); text-align: left; cursor: pointer; }
.demo-tab span { color: var(--dim); }
.demo-tab:hover { border-color: var(--border); background: var(--panel); color: var(--fg); }
.demo-tab.is-active { border-color: #3730a3; background: rgba(99,102,241,.12); color: #a5b4fc; }
.demo-tab.is-active span { color: #818cf8; }
.demo-tab::after { position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #6366f1; content: ""; }
.demo-tab.is-active::after { animation: tab-progress var(--cycle) linear forwards; }
.rail-hint { position: absolute; right: 18px; bottom: 15px; left: 18px; margin: 0; color: #52525b; font-size: 12px; line-height: 1.45; }
.demo-viewport { position: relative; min-width: 0; min-height: 420px; overflow: hidden; background: #141416; }
.demo-panel { position: absolute; inset: 0; min-width: 0; padding: 20px 22px; overflow: auto; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .24s ease, transform .24s ease, visibility .24s; }
.demo-panel.is-active { z-index: 2; opacity: 1; visibility: visible; transform: none; }
.panel-title { display: flex; min-height: 38px; align-items: flex-start; justify-content: space-between; border-bottom: 1px solid var(--border); }
.panel-title > div { display: flex; gap: 11px; align-items: baseline; }
.panel-title h2 { margin: 0; color: var(--fg); font-size: 20px; letter-spacing: -.03em; }
.panel-title > span, .panel-index { color: var(--dim); font-size: 12px; text-transform: uppercase; }
.panel-index { color: #818cf8; }
.overview-wordmark { height: 44px; color: #d4d4d8; font-size: 42px; font-weight: 800; letter-spacing: -.08em; line-height: 1.04; }
.overview-grid, .system-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.tui-card { min-width: 0; padding: 13px; border: 1px solid var(--border-strong); border-radius: 7px; background: #19191c; }
.tui-card h3 { display: inline-block; margin: -22px 0 7px 6px; padding: 0 7px; background: #141416; color: #818cf8; font-size: 13px; }
.tui-card p { margin: 3px 0; color: #d4d4d8; font-size: 12px; }
.compact-card { min-height: 66px; }
.metric-list { display: grid; margin: 0; gap: 4px; }
.metric-list div { display: grid; grid-template-columns: 92px 1fr; font-size: 12px; }
.metric-list dt { color: var(--muted); }
.metric-list dd { margin: 0; color: #d4d4d8; }
.positive { color: #4ade80 !important; }
.caution-text { color: #facc15 !important; }
.danger-text { color: #f87171 !important; }
.muted { color: var(--dim) !important; }
.core-line { display: flex; gap: 13px; margin-bottom: 6px; color: #d4d4d8; font-size: 12px; flex-wrap: wrap; }
.sparkline { display: flex; height: 22px; gap: 4px; align-items: end; border-bottom: 1px solid var(--border-strong); }
.sparkline b { width: 8%; height: var(--h); background: #d4d4d8; animation: spark-breathe 2.2s ease-in-out infinite alternate; }
.sparkline b:nth-child(2n) { animation-delay: -.8s; }
.operation-line { display: grid; margin-top: 8px; padding: 8px 12px; grid-template-columns: 1fr 1fr auto; border: 1px solid var(--border-strong); border-radius: 7px; color: var(--dim); font-size: 12px; }
.operation-line strong { color: #d4d4d8; font-weight: 500; }

.demo-panel[data-demo-page="proxies"], .demo-panel[data-demo-page="webgui"] { padding: 16px 18px; }
.proxy-tui, .webgui-stack { display: grid; gap: 8px; }
.proxy-group-section, .terminal-section { position: relative; border: 1px solid #52525b; border-radius: 6px; background: #161618; }
.proxy-group-section > h3, .terminal-section > h3 { display: flex; width: max-content; max-width: calc(100% - 28px); gap: 8px; margin: -9px 0 4px 10px; padding: 0 5px; align-items: baseline; background: #141416; color: #818cf8; font-size: 12px; line-height: 1.2; }
.proxy-group-section > h3 small, .terminal-section > h3 small { color: #818cf8; font-size: 12px; font-weight: 700; }
.proxy-group-section.is-expanded { padding: 9px 10px 10px; }
.proxy-group-section.is-collapsed { min-height: 39px; padding: 7px 11px 5px; }
.proxy-group-now { display: flex; min-width: 0; gap: 8px; align-items: center; color: #d4d4d8; font-size: 12px; }
.proxy-group-now strong { overflow: hidden; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.proxy-node-grid { display: grid; margin-top: 6px; grid-template-columns: repeat(auto-fit,minmax(168px,1fr)); gap: 6px; }
.proxy-node-card { min-width: 0; padding: 6px 8px; border: 1px solid #71717a; border-radius: 5px; color: #d4d4d8; font-size: 12px; }
.proxy-node-card > span { display: block; overflow: hidden; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.proxy-node-card > div { display: flex; gap: 7px; margin-top: 2px; align-items: center; justify-content: center; white-space: nowrap; }
.proxy-node-card strong { color: #facc15; font-size: 12px; font-weight: 600; white-space: nowrap; }
.proxy-node-card em { font-style: normal; }
.proxy-node-card.is-selected { border-color: #6366f1; background: rgba(99,102,241,.08); }
.data-table { overflow: hidden; border: 1px solid var(--border); border-radius: 7px; }
.table-head, .table-row { display: grid; min-width: 0; min-height: 42px; padding: 0 12px; align-items: center; border-bottom: 1px solid var(--border); color: #d4d4d8; font-size: 12px; }
.table-head span, .table-row span, .table-row strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-head { min-height: 32px; background: #101013; color: var(--dim); font-size: 12px; text-transform: uppercase; }
.table-row:last-child { border-bottom: 0; }
.table-row.selected { background: rgba(99,102,241,.11); color: var(--fg); }
.delay { justify-self: start; padding: 3px 6px; border-radius: 4px; font-size: 12px; white-space: nowrap; }
.delay.good { background: rgba(34,197,94,.12); color: #4ade80; }
.delay.caution { background: rgba(234,179,8,.12); color: #facc15; }
.delay.danger { background: rgba(239,68,68,.12); color: #f87171; }
.panel-footer { margin-top: 12px; color: var(--dim); font-size: 12px; }
.filter-bar { display: flex; min-height: 36px; margin: 12px 0 8px; padding: 0 12px; align-items: center; justify-content: space-between; border: 1px solid var(--border); border-radius: 6px; color: var(--dim); font-size: 12px; }
.connections-table .table-head, .connections-table .table-row { grid-template-columns: 1.4fr .55fr 1.25fr 1fr .6fr; }
.rules-table .table-head, .rules-table .table-row { grid-template-columns: .3fr 1fr 1.5fr .7fr; }
.connection-detail, .provider-strip { display: flex; gap: 16px; margin-top: 9px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; color: var(--dim); font-size: 12px; flex-wrap: wrap; }
.log-stream { display: grid; margin-top: 10px; border: 1px solid var(--border); border-radius: 7px; }
.log-stream > div { display: grid; min-height: 45px; padding: 0 12px; grid-template-columns: 100px 54px 1fr 1.3fr; gap: 10px; align-items: center; border-bottom: 1px solid var(--border); color: #d4d4d8; font-size: 12px; }
.log-stream > div:last-child { border-bottom: 0; }
.log-stream time, .log-stream code { color: var(--dim); font: inherit; }
.log-stream em { color: #a1a1aa; font-style: normal; }
.subscriptions-table { margin-top: 4px; overflow-x: auto; }
.subscriptions-table .table-head, .subscriptions-table .table-row { grid-template-columns: minmax(0,1.2fr) 52px minmax(0,.8fr) minmax(0,.7fr) minmax(0,.65fr) minmax(0,.85fr) minmax(0,.9fr) minmax(0,.9fr); column-gap: 8px; min-height: 36px; font-size: 12px; }
.terminal-section { padding: 8px 12px; }
.webgui-status-section p { display: flex; gap: 12px; margin: 1px 0; color: #d4d4d8; font-size: 12px; flex-wrap: wrap; }
.webgui-status-section p:last-child { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.webgui-panel-section.is-focused { border-color: #6366f1; }
.webgui-panel-section dl { display: grid; margin: 2px 0 0; gap: 1px; }
.webgui-panel-section dl div { display: grid; grid-template-columns: 76px 1fr; font-size: 12px; line-height: 1.2; }
.webgui-panel-section dt { color: var(--muted); }
.webgui-panel-section dd { margin: 0; color: #d4d4d8; }
.gateway-safeguards > div { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 2px 16px; color: #d4d4d8; font-size: 12px; }
.system-grid { margin-top: 16px; gap: 10px; }
.system-grid .tui-card { min-height: 125px; }
.demo-footer { display: flex; min-height: 34px; padding: 0 15px; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); background: #1a1a1f; color: var(--dim); font-size: 12px; }

.section { padding: 90px 0; border-top: 1px solid rgba(255,255,255,.09); }
.section-heading { display: grid; margin-bottom: 40px; grid-template-columns: .4fr 1fr 1.1fr; gap: 40px; align-items: start; }
.section-heading h2 { max-width: 650px; margin: 0; font-size: clamp(1.7rem, 2.4vw, 2.4rem); font-weight: 670; letter-spacing: -.055em; line-height: .98; }
.install-title { display: grid; justify-items: start; text-align: left; line-height: 1.02; }
.install-title span { display: block; }
.section-heading > p:last-child { max-width: 600px; margin: 0; color: var(--muted); font-size: 17px; }
.architecture-blueprint { position: relative; display: grid; padding: 25px; grid-template-columns: minmax(125px,.8fr) 110px minmax(205px,1.2fr) 100px minmax(135px,.9fr); grid-template-rows: auto auto; align-items: center; overflow: hidden; border: 1px solid var(--border-strong); border-radius: 10px; background: rgba(26,26,31,.96); box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.architecture-blueprint::before, .architecture-blueprint::after { position: absolute; z-index: 0; content: ""; pointer-events: none; }
.architecture-blueprint::before { top: 0; bottom: 0; left: 50%; border-left: 1px dashed rgba(255,255,255,.055); }
.architecture-blueprint::after { right: 0; bottom: 103px; left: 0; border-top: 1px solid rgba(255,255,255,.055); }
.architecture-stage, .architecture-link, .architecture-commit-flow { position: relative; z-index: 1; }
.architecture-stage { min-width: 0; }
.blueprint-label { display: flex; margin-bottom: 13px; align-items: center; justify-content: space-between; color: var(--dim); font: 650 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.blueprint-label small { font: inherit; letter-spacing: 0; text-transform: none; }
.surface-stack { display: grid; gap: 6px; }
.architecture-node, .runtime-node { display: flex; min-height: 46px; padding: 8px 10px; align-items: center; justify-content: space-between; border: 1px solid var(--border); border-radius: 5px; background: #101013; }
.architecture-node strong, .runtime-node strong { font-size: 12px; }
.architecture-node small, .runtime-node small { color: var(--dim); font: 500 12px/1.2 var(--mono); text-align: right; }
.architecture-daemon { padding: 20px; border: 1px solid var(--fg); border-radius: 8px; background: var(--fg); color: var(--bg); box-shadow: 0 0 0 5px rgba(255,255,255,.035), 0 18px 45px rgba(0,0,0,.3); }
.architecture-daemon .blueprint-label { margin-bottom: 22px; color: #52525b; }
.architecture-daemon > strong { display: block; font-size: clamp(20px,2vw,28px); letter-spacing: -.035em; }
.architecture-daemon > p { margin: 7px 0 20px; color: #52525b; font-size: 12px; line-height: 1.5; }
.daemon-capabilities { display: flex; gap: 5px; flex-wrap: wrap; }
.daemon-capabilities span { padding: 4px 6px; border: 1px solid #d4d4d8; border-radius: 4px; color: #3f3f46; font: 600 12px/1 var(--mono); }
.architecture-runtime { display: grid; gap: 7px; }
.architecture-runtime .blueprint-label { margin-bottom: 6px; }
.runtime-node:first-of-type { border-color: rgba(74,222,128,.48); }
.architecture-link { display: grid; min-width: 0; padding: 0 10px; place-items: center; color: var(--muted); text-align: center; }
.architecture-link > span, .architecture-link > b { font: 650 12px/1.25 var(--mono); text-transform: uppercase; }
.architecture-link > b { position: relative; width: 100%; margin-top: 8px; padding-top: 10px; color: #4ade80; font-weight: 650; }
.architecture-ipc > b::before { position: absolute; top: 0; right: 0; left: 0; height: 1px; background: rgba(74,222,128,.45); content: ""; }
.architecture-ipc > b::after { position: absolute; top: -3px; right: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: calc(-100% + 7px) 0 0 var(--fg); content: ""; }
.architecture-link > i { position: relative; display: block; width: 100%; height: 1px; margin: 9px 0; background: var(--border-strong); }
.architecture-link > i::before, .architecture-link > i::after { position: absolute; top: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--fg); content: ""; }
.architecture-link > i::before { left: 0; }
.architecture-link > i::after { right: 0; box-shadow: 0 0 0 4px rgba(74,222,128,.09); background: var(--green); }
.architecture-link > small { color: var(--dim); font: 500 12px/1.45 var(--mono); }
.architecture-commit-flow { display: grid; margin: 24px -25px -25px; padding: 18px 25px; grid-column: 1 / -1; grid-template-columns: minmax(145px,.65fr) 2fr; gap: 22px; align-items: center; border-top: 1px solid var(--border); background: #1a1a1f; }
.architecture-commit-flow > div { display: grid; gap: 6px; }
.architecture-commit-flow > div span { color: var(--dim); font: 650 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.architecture-commit-flow > div strong { max-width: 190px; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.45; }
.architecture-commit-flow ol { display: grid; margin: 0; padding: 0; grid-template-columns: repeat(5,minmax(0,1fr)); list-style: none; }
.architecture-commit-flow li { position: relative; display: grid; min-width: 0; min-height: 56px; padding: 8px 10px; align-content: center; border: 1px solid var(--border); border-right: 0; background: #111113; }
.architecture-commit-flow li:last-child { border-right: 1px solid var(--border); }
.architecture-commit-flow li span { color: var(--dim); font: 650 12px/1 var(--mono); text-transform: uppercase; }
.architecture-commit-flow li strong { margin: 4px 0 2px; overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.architecture-commit-flow li small { overflow: hidden; color: var(--dim); font: 500 12px/1.2 var(--mono); text-overflow: ellipsis; white-space: nowrap; }
.architecture-commit-flow .flow-commit { border-color: rgba(74,222,128,.5); background: rgba(34,197,94,.07); }
.architecture-commit-flow .flow-commit strong { color: #4ade80; }
.architecture-commit-flow .flow-rollback { border-color: rgba(248,113,113,.42); background: rgba(239,68,68,.06); }
.architecture-commit-flow .flow-rollback strong { color: #f87171; }

.memory-comparison { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; align-items: stretch; }
.memory-card { display: flex; flex-direction: column; gap: 8px; min-height: 0; padding: 22px 24px 20px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); }
.memory-card > span { color: var(--muted); font: 650 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.memory-card > strong, .memory-headline > strong { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.04em; line-height: 1; }
.memory-card > small { color: var(--dim); font-size: 13px; }
.memory-headline { display: flex; min-width: 0; gap: .45em; align-items: baseline; flex-wrap: wrap; }
.memory-meter { height: 10px; overflow: hidden; border-radius: 999px; background: #2a2a31; }
.memory-meter i { display: block; width: var(--share); height: 100%; border-radius: inherit; }
.memory-card-tui { border-color: rgba(74,222,128,.42); }
.memory-card-tui > strong, .memory-card-tui .memory-headline > strong { color: #4ade80; }
.memory-card-tui .memory-meter i { background: #22c55e; }
.memory-card-electron { border-color: rgba(248,113,113,.38); }
.memory-card-electron > strong { color: #f87171; }
.memory-card-electron .memory-meter i { background: #ef4444; }
.memory-saving { margin: 0; border: 0; background: none; color: #4ade80; font-size: clamp(22px, 2.4vw, 32px); font-weight: 670; letter-spacing: -.04em; line-height: 1; white-space: nowrap; }
.memory-process { display: grid; grid-template-columns: minmax(0,1fr) 6.5rem 7.2rem; align-content: start; flex: 1; column-gap: 12px; row-gap: 6px; margin: 8px 0 0; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: #161618; list-style: none; color: #d4d4d8; font: 500 13px/1.3 var(--mono); }
.memory-process li { display: contents; }
.memory-process span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.memory-process em { color: var(--dim); font-style: normal; text-transform: uppercase; letter-spacing: .06em; font-size: 12px; }
.memory-process b { justify-self: end; color: var(--fg); font-weight: 650; font-variant-numeric: tabular-nums; text-align: right; }
.memory-note { grid-column: 1 / -1; margin: 4px 0 0; color: var(--dim); font-size: 13px; }

.install-builder { overflow: hidden; border: 1px solid var(--border-strong); border-radius: 10px; background: rgba(26,26,31,.96); }
.install-row { display: grid; min-height: 72px; grid-template-columns: 190px 1fr; border-bottom: 1px solid var(--border); }
.install-label { display: flex; gap: 13px; padding: 15px 18px; align-items: flex-start; border-right: 1px solid var(--border); }
.install-label span { color: var(--dim); font: 600 12px/1.6 var(--mono); }
.install-label strong { font-size: 14px; font-weight: 600; }
.install-options { display: grid; padding: 6px; grid-template-columns: repeat(2,1fr); gap: 6px; }
.install-options.three { grid-template-columns: repeat(3,1fr); }
.install-choice { display: flex; min-width: 0; padding: 11px 14px; flex-direction: column; align-items: flex-start; justify-content: center; border: 1px solid transparent; border-radius: 6px; background: #18181b; color: var(--muted); text-align: left; cursor: pointer; }
.install-choice:hover { border-color: var(--border-strong); color: var(--fg); }
.install-choice.is-selected { border-color: var(--fg); background: var(--fg); color: var(--bg); }
.install-choice strong { font-size: 15px; }
.install-choice span { margin-top: 2px; color: var(--dim); font-size: 12px; }
.install-choice.is-selected span { color: #52525b; }
.command-row { position: relative; display: grid; min-height: 118px; padding: 18px; grid-template-columns: 160px minmax(0,1fr) auto; gap: 15px; align-items: center; background: #1a1a1f; }
.command-heading { display: grid; gap: 5px; }
.command-heading span { color: var(--muted); font-size: 13px; }
.command-heading strong { color: var(--dim); font: 500 12px/1 var(--mono); text-transform: uppercase; }
.command-row pre { min-width: 0; margin: 0; padding: 14px; overflow-x: auto; border: 1px solid var(--border); border-radius: 6px; background: #111113; white-space: pre-wrap; }
.command-row code { color: #e4e4e7; font: 500 13px/1.65 var(--mono); word-break: break-word; }
.copy-button { min-height: 38px; padding: 0 13px; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--panel-2); color: var(--fg); font-size: 12px; cursor: pointer; }
.copy-button:hover { background: #202024; }
.install-note { margin: 0; padding: 11px 18px; border-top: 1px solid var(--border); color: var(--dim); font-size: 12px; }

.final-cta { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.final-cta h2 { margin: 0; font-size: clamp(2.1rem, 3.6vw, 3.2rem); letter-spacing: -.06em; line-height: .95; }

html[lang="zh-CN"] {
  --sans: "Segoe UI Variable", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
html[lang="zh-CN"] .hero h1,
html[lang="zh-CN"] .section-heading h2,
html[lang="zh-CN"] .install-title,
html[lang="zh-CN"] .final-cta h2 {
  letter-spacing: 0;
  line-height: 1.18;
  font-weight: 650;
}
html[lang="zh-CN"] .hero h1 { font-size: clamp(1.85rem, 3vw, 2.55rem); }
html[lang="zh-CN"] .section-heading h2 { font-size: clamp(1.5rem, 2.1vw, 2.05rem); }
html[lang="zh-CN"] .install-title { font-size: clamp(1.5rem, 2.1vw, 2.05rem); white-space: nowrap; }
html[lang="zh-CN"] .final-cta h2 { font-size: clamp(1.85rem, 3.1vw, 2.6rem); }
.final-actions { display: flex; gap: 9px; flex-wrap: wrap; }
.site-footer { display: flex; width: min(calc(100% - 40px), var(--max)); min-height: 82px; margin: 0 auto; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); color: var(--dim); font: 500 12px/1.4 var(--mono); }

@keyframes tab-progress { to { width: 100%; } }
@keyframes spark-breathe { from { opacity: .45; transform: scaleY(.72); transform-origin: bottom; } to { opacity: 1; transform: scaleY(1); transform-origin: bottom; } }

@media (max-width: 1050px) {
  .hero, .section { width: min(calc(100% - 40px), var(--max)); }
  .hero-intro, .section-heading { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { max-width: 900px; }
  .demo-workspace { grid-template-columns: 1fr; }
  .demo-rail-wrap { padding: 10px; border-right: 0; border-bottom: 1px solid var(--border); }
  .rail-label, .rail-hint { display: none; }
  .demo-rail { display: flex; min-width: 0; overflow-x: auto; }
  .demo-tab { min-width: 118px; grid-template-columns: 20px 1fr; }
  .demo-viewport { min-height: 590px; }
  .section-heading h2 { max-width: 780px; }
  .subscriptions-table .table-head, .subscriptions-table .table-row { grid-template-columns: minmax(0,1.2fr) 48px minmax(0,.8fr) minmax(0,.7fr) minmax(0,.7fr) minmax(0,.85fr); }
  .subscriptions-table .table-head span:nth-child(n+7), .subscriptions-table .table-row span:nth-child(n+7) { display: none; }
}

@media (max-width: 760px) {
  .site-header, .hero, .section, .site-footer { width: min(calc(100% - 28px), var(--max)); }
  .site-header { height: 64px; }
  .brand-tag, .header-nav .nav-link:first-child, .header-nav .nav-link:nth-child(2), .nav-github { display: none; }
  .hero { padding: 58px 0 78px; }
  .hero h1 { font-size: clamp(2.1rem, 8vw, 3.1rem); }
  html[lang="zh-CN"] .hero h1 { font-size: clamp(1.85rem, 7vw, 2.55rem); }
  .actions { display: grid; }
  .button { width: 100%; }
  .hero-facts { display: grid; }
  .demo-shell { margin-top: 44px; border-radius: 8px; }
  .demo-chrome { grid-template-columns: 1fr 1fr; }
  .demo-chrome > :nth-child(2) { display: none; }
  .demo-statusbar { gap: 12px; padding: 0 13px; font-size: 12px; }
  .demo-statusbar > span:nth-child(3), .demo-statusbar > span:nth-child(4), .demo-statusbar > span:nth-child(5) { display: none; }
  .status-right { font-size: 12px; }
  .demo-viewport { min-height: 650px; }
  .demo-panel { padding: 22px 18px; }
  .overview-wordmark { height: 60px; font-size: 48px; }
  .overview-grid, .system-grid { grid-template-columns: 1fr; }
  .overview-grid .compact-card { display: none; }
  .proxy-node-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .connections-table .table-head, .connections-table .table-row { grid-template-columns: 1.4fr .5fr .8fr; }
  .connections-table .table-head span:nth-child(3), .connections-table .table-head span:nth-child(4), .connections-table .table-row span:nth-child(3), .connections-table .table-row span:nth-child(4) { display: none; }
  .log-stream > div { grid-template-columns: 80px 45px 1fr; }
  .log-stream code { display: none; }
  .subscriptions-table .table-head, .subscriptions-table .table-row { grid-template-columns: minmax(0,1.3fr) minmax(0,.8fr) minmax(0,.7fr) minmax(0,.9fr); }
  .subscriptions-table .table-head span:nth-child(2), .subscriptions-table .table-row span:nth-child(2),
  .subscriptions-table .table-head span:nth-child(5), .subscriptions-table .table-row span:nth-child(5),
  .subscriptions-table .table-head span:nth-child(n+7), .subscriptions-table .table-row span:nth-child(n+7) { display: none; }
  .memory-comparison { grid-template-columns: 1fr; }
  .gateway-safeguards > div { grid-template-columns: 1fr; }
  .demo-footer { display: none; }
  .section { padding: 82px 0; }
  .architecture-blueprint { padding: 19px; grid-template-columns: 1fr; gap: 16px; }
  .architecture-blueprint::before, .architecture-blueprint::after { display: none; }
  .architecture-link { min-height: 54px; }
  .architecture-link > i { width: 1px; height: 28px; margin: 7px 0; }
  .architecture-link > i::before, .architecture-link > i::after { top: auto; left: -3px; }
  .architecture-link > i::before { top: 0; }
  .architecture-link > i::after { right: auto; bottom: 0; }
  .architecture-ipc > b { padding-top: 0; }
  .architecture-ipc > b::before, .architecture-ipc > b::after { display: none; }
  .architecture-commit-flow { margin: 3px -19px -19px; padding: 18px 19px; grid-template-columns: 1fr; }
  .architecture-commit-flow ol { grid-template-columns: 1fr; gap: 5px; }
  .architecture-commit-flow li { min-height: 48px; border-right: 1px solid var(--border); }
  .install-row { grid-template-columns: 1fr; }
  .install-label { min-height: 55px; padding: 16px; border-right: 0; border-bottom: 1px solid var(--border); }
  .install-options, .install-options.three { grid-template-columns: 1fr; }
  .command-row { grid-template-columns: 1fr; padding: 18px; }
  .copy-button { width: 100%; }
  .final-cta { display: grid; }
  .final-actions { display: grid; }
  .site-footer { padding: 22px 0; flex-direction: column; align-items: flex-start; justify-content: center; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}