:root {
  --ink: #172229;
  --ink-2: #26353c;
  --muted: #657177;
  --paper: #f5f7f6;
  --white: #fff;
  --line: #dbe1df;
  --green: #1db986;
  --green-dark: #0b7e5d;
  --mint: #bfffe8;
  --amber: #eea93f;
  --coral: #e76054;
  --night: #10191e;
  --night-2: #17262c;
  --radius: 6px;
  --shell: min(1200px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 76px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open, body.dialog-open { overflow: hidden; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 999; padding: 10px 16px; background: var(--white); color: var(--ink); }
.skip-link:focus { top: 14px; }
.section-shell { width: var(--shell); margin: 0 auto; }
.section-pad { padding: 120px 0; }
.kicker { margin: 0 0 18px; color: var(--green-dark); font-size: 12px; font-weight: 800; letter-spacing: 2px; }
.section-heading { max-width: 760px; margin: 0 auto 64px; text-align: center; }
.section-heading.left { max-width: none; margin-left: 0; text-align: left; }
.section-heading h2, .section-intro h2, .architecture-head h2, .measure-copy h2 { margin: 0; font-size: clamp(34px, 4vw, 58px); line-height: 1.12; letter-spacing: 0; font-weight: 670; }
.section-heading > p:last-child { max-width: 660px; margin: 22px auto 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .75s ease, transform .75s ease; }
.reveal.in-view { opacity: 1; transform: none; }

.site-header { position: fixed; top: 0; left: 0; z-index: 100; width: 100%; color: #f8fffc; border-bottom: 1px solid rgba(255,255,255,.13); transition: background .25s ease, box-shadow .25s ease; }
.site-header.scrolled { background: rgba(14,24,29,.96); box-shadow: 0 8px 30px rgba(3,12,16,.18); backdrop-filter: blur(14px); }
.nav-shell { width: var(--shell); height: 76px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 25px; font-weight: 800; letter-spacing: 1px; }
.brand small { margin-left: 4px; color: var(--green); font-size: 12px; font-weight: 800; vertical-align: top; }
.brand-mark { position: relative; width: 29px; height: 29px; display: inline-block; transform: rotate(-2deg); }
.brand-mark i { position: absolute; width: 8px; background: currentColor; transform: skewY(-28deg); }
.brand-mark i:nth-child(1) { left: 1px; top: 2px; height: 16px; }
.brand-mark i:nth-child(2) { left: 10px; top: 8px; height: 19px; color: var(--green); }
.brand-mark i:nth-child(3) { right: 1px; top: 1px; height: 17px; }
.desktop-nav { display: flex; align-items: center; gap: 38px; margin-left: auto; margin-right: 38px; }
.desktop-nav a { position: relative; font-size: 14px; color: rgba(255,255,255,.74); transition: color .2s; }
.desktop-nav a::after { content: ""; position: absolute; bottom: -11px; left: 0; width: 100%; height: 1px; background: var(--green); transform: scaleX(0); transition: transform .25s; }
.desktop-nav a:hover { color: var(--white); }
.desktop-nav a:hover::after { transform: scaleX(1); }
.nav-cta { height: 40px; padding: 0 16px; border: 1px solid rgba(255,255,255,.36); border-radius: 3px; display: flex; align-items: center; gap: 10px; color: var(--white); background: rgba(255,255,255,.04); cursor: pointer; transition: border-color .2s, background .2s; }
.nav-cta:hover { border-color: var(--green); background: rgba(29,185,134,.12); }
.nav-cta svg, .button svg, .text-link svg { width: 18px; height: 18px; }
.menu-button { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; }
.menu-button span { width: 21px; height: 1px; margin: 5px auto; display: block; background: currentColor; transition: transform .2s, opacity .2s; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: 820px; overflow: hidden; color: var(--white); background: var(--night); }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(16,25,30,.98) 0%, rgba(16,25,30,.94) 44%, rgba(19,36,40,.78) 70%, rgba(16,25,30,.96) 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(to right, transparent, #000 42%, #000); }
.hero-glow { position: absolute; top: 6%; right: 4%; width: 48vw; height: 48vw; max-width: 680px; max-height: 680px; border-radius: 50%; background: radial-gradient(circle, rgba(29,185,134,.17), rgba(238,169,63,.04) 38%, transparent 70%); }
.hero-shell { position: relative; z-index: 2; width: var(--shell); min-height: 742px; margin: 0 auto; padding-top: 76px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 54px; }
.hero-copy { padding: 60px 0 38px; }
.eyebrow { margin-bottom: 26px; display: flex; align-items: center; gap: 10px; color: #b8c6c5; font-size: 13px; }
.eyebrow span { width: 28px; height: 1px; background: var(--green); }
.hero h1 { margin: 0; font-size: clamp(56px, 6vw, 84px); line-height: .98; letter-spacing: 0; font-weight: 690; }
.hero-statement { margin: 30px 0 0; color: #e5ecea; font-size: 24px; line-height: 1.5; }
.hero-statement strong { color: var(--mint); font-weight: 600; }
.hero-description { max-width: 570px; margin: 16px 0 0; color: #9fadae; font-size: 16px; line-height: 1.85; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 15px; }
.button { min-height: 50px; padding: 0 21px; border: 1px solid transparent; border-radius: 3px; display: inline-flex; align-items: center; justify-content: center; gap: 15px; font-size: 14px; font-weight: 650; cursor: pointer; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #071711; background: var(--green); }
.button-primary:hover { background: #35c997; }
.button-quiet { color: var(--white); border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.02); }
.button-quiet:hover { border-color: rgba(255,255,255,.55); }
.hero-proof { margin: 48px 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.12); display: flex; gap: 28px; list-style: none; }
.hero-proof li { color: #96a5a5; font-size: 12px; white-space: nowrap; }
.hero-proof span { margin-right: 8px; color: var(--green); font-family: monospace; }
.hero-visual { position: relative; width: 100%; min-height: 610px; }
.radar-orbit { position: absolute; left: 50%; top: 48%; border: 1px solid rgba(102,255,203,.15); border-radius: 50%; transform: translate(-50%,-50%); }
.orbit-one { width: 210px; height: 210px; }
.orbit-two { width: 380px; height: 380px; }
.orbit-three { width: 550px; height: 550px; border-style: dashed; animation: orbitSpin 36s linear infinite; }
@keyframes orbitSpin { to { transform: translate(-50%,-50%) rotate(360deg); } }
.radar-orbit::after { content: ""; position: absolute; top: -4px; left: calc(50% - 4px); width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 15px var(--green); }
.risk-core { position: absolute; z-index: 2; left: 50%; top: 48%; width: 158px; height: 158px; border: 1px solid rgba(97,255,202,.55); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: rgba(18,39,41,.87); transform: translate(-50%,-50%); box-shadow: inset 0 0 35px rgba(29,185,134,.12), 0 0 60px rgba(29,185,134,.08); }
.risk-core span { color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: 1.6px; }
.risk-core strong { margin-top: 6px; font-size: 20px; }
.risk-core small { margin-top: 6px; color: #829292; font-size: 12px; }
.core-pulse { position: absolute; inset: -18px; border: 1px solid rgba(29,185,134,.18); border-radius: 50%; animation: pulse 2.8s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.86); opacity: 0; } 35% { opacity: 1; } 100% { transform: scale(1.18); opacity: 0; } }
.signal-chip { position: absolute; z-index: 3; min-width: 132px; padding: 11px 13px; border: 1px solid rgba(255,255,255,.13); display: grid; grid-template-columns: 8px 1fr auto; align-items: center; gap: 8px; background: rgba(13,25,29,.9); box-shadow: 0 10px 30px rgba(0,0,0,.16); }
.signal-chip i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.signal-chip span { color: #9aabaa; font-size: 12px; }
.signal-chip b { font-size: 12px; }
.chip-a { left: 3%; top: 21%; }
.chip-b { right: 1%; top: 27%; }
.chip-c { right: 6%; bottom: 21%; }
.chip-c i { background: var(--coral); box-shadow: 0 0 8px var(--coral); }
.chip-c b { color: #ff9e94; }
.decision-panel { position: absolute; z-index: 4; left: 2%; bottom: 4%; width: 330px; padding: 13px 16px 10px; border: 1px solid rgba(255,255,255,.15); background: rgba(12,23,27,.96); box-shadow: 0 22px 60px rgba(0,0,0,.3); }
.panel-head { height: 38px; border-bottom: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; color: #bec9c8; font-size: 12px; }
.panel-head small { color: var(--green); font-size: 12px; }
.panel-head i { width: 5px; height: 5px; border-radius: 50%; display: inline-block; background: currentColor; }
.decision-row { min-height: 58px; border-bottom: 1px solid rgba(255,255,255,.07); display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 10px; }
.decision-row:last-child { border: 0; }
.decision-icon { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; }
.decision-icon.safe { color: var(--green); background: rgba(29,185,134,.12); }
.decision-icon.verify { color: var(--amber); background: rgba(238,169,63,.12); }
.decision-icon.block { color: var(--coral); background: rgba(231,96,84,.12); }
.decision-row b { display: block; font-size: 12px; }
.decision-row small { margin-top: 4px; display: block; color: #829294; font-size: 12px; }
.decision-row em { color: #91a1a2; font-family: monospace; font-size: 12px; font-style: normal; }
.hero-bottom { position: relative; z-index: 3; width: var(--shell); min-height: 78px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,.13); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hero-bottom > span { color: #7e8f90; font-size: 12px; }
.hero-bottom div { display: flex; align-items: center; gap: 15px; }
.hero-bottom b { color: #c4cecd; font-size: 12px; font-weight: 500; }
.hero-bottom i { width: 3px; height: 3px; border-radius: 50%; background: var(--green); }

.challenge { padding-top: 70px; background: var(--white); }
.challenge .section-intro { opacity: 1; transform: none; }
.section-intro { margin-bottom: 70px; display: grid; grid-template-columns: 1fr .82fr; gap: 90px; align-items: end; }
.section-intro > p { margin: 0 0 4px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.threat-line { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.threat-line article { position: relative; min-height: 280px; padding: 30px 28px; border-right: 1px solid var(--line); }
.threat-line article:last-child { border: 0; }
.threat-line article > span { position: absolute; top: 22px; right: 22px; color: #899694; font: 12px monospace; }
.threat-line svg { width: 38px; height: 38px; margin: 25px 0 35px; color: var(--green-dark); stroke-width: 1.3; }
.threat-line h3 { margin: 0 0 12px; font-size: 20px; }
.threat-line p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

.approach { overflow: hidden; background: #eef2f0; }
.loop-visual { position: relative; display: grid; grid-template-columns: 1fr 90px 1fr 90px 1fr; align-items: center; }
.loop-stage { position: relative; min-height: 330px; padding: 30px; border: 1px solid #d3dcda; background: rgba(255,255,255,.66); }
.loop-stage::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: var(--green); transform: scaleX(.25); transform-origin: left; transition: transform .45s; }
.loop-stage:hover::after { transform: scaleX(1); }
.stage-index { position: absolute; top: 24px; right: 26px; color: #a8b2b0; font: 12px monospace; }
.stage-icon { width: 52px; height: 52px; margin-bottom: 54px; border: 1px solid #b8c8c4; display: grid; place-items: center; color: var(--green-dark); background: var(--white); }
.stage-icon svg { width: 26px; height: 26px; }
.loop-stage > p { margin: 0 0 10px; color: var(--green-dark); font-size: 12px; font-weight: 800; }
.loop-stage > strong { display: block; font-size: 23px; }
.loop-stage > span { margin-top: 15px; display: block; color: var(--muted); font-size: 14px; line-height: 1.75; }
.loop-arrow { text-align: center; color: #96a4a2; }
.loop-arrow span { display: block; font-size: 12px; }
.loop-arrow svg { width: 55px; margin-top: 8px; }
.loop-return { position: absolute; left: 16%; right: 16%; bottom: -44px; height: 27px; border: 1px solid #aebdba; border-top: 0; text-align: center; }
.loop-return::before { content: ""; position: absolute; left: -5px; top: -3px; width: 7px; height: 7px; border-left: 1px solid #aebdba; border-bottom: 1px solid #aebdba; transform: rotate(45deg); }
.loop-return span { position: relative; top: 18px; padding: 0 10px; color: #657572; background: #eef2f0; font-size: 12px; }

.capabilities { color: var(--white); background: var(--night); }
.capabilities .kicker { color: var(--green); }
.capability-layout { display: grid; grid-template-columns: 1.13fr .87fr; border-top: 1px solid rgba(255,255,255,.13); }
.capability-feature { position: relative; padding: 48px 64px 20px 0; border-right: 1px solid rgba(255,255,255,.13); }
.feature-no { position: absolute; top: 48px; right: 42px; color: #536166; font: 14px monospace; }
.feature-title small { color: var(--green); font-size: 12px; letter-spacing: 1.6px; }
.feature-title h3 { margin: 12px 0 24px; font-size: 34px; }
.capability-feature > p { max-width: 590px; margin: 0; color: #99a8aa; font-size: 15px; line-height: 1.85; }
.journey-map { margin-top: 46px; padding: 30px 22px 20px; border: 1px solid rgba(255,255,255,.12); background: #142329; }
.journey-axis { height: 32px; display: flex; align-items: center; justify-content: space-between; background: linear-gradient(transparent 15px, rgba(255,255,255,.18) 15px, rgba(255,255,255,.18) 16px, transparent 16px); }
.journey-axis i { width: 10px; height: 10px; border: 2px solid var(--night-2); border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(29,185,134,.55); }
.journey-axis i:nth-child(4), .journey-axis i:nth-child(5) { background: var(--amber); box-shadow: 0 0 12px rgba(238,169,63,.5); }
.journey-events { display: grid; grid-template-columns: repeat(5,1fr); }
.journey-events span { color: #d3dcdb; font-size: 12px; }
.journey-events span:not(:first-child) { text-align: center; }
.journey-events span:last-child { text-align: right; }
.journey-events small { margin-top: 5px; display: block; color: #819195; font: 12px monospace; }
.journey-score { margin-top: 24px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; align-items: center; }
.journey-score span { color: #8c9b9d; font-size: 12px; }
.journey-score strong { color: var(--mint); font-size: 12px; }
.capability-list { padding-left: 42px; }
.capability-list article { min-height: 142px; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.12); display: grid; grid-template-columns: 40px 1fr; gap: 12px; }
.capability-list article:last-child { border: 0; }
.capability-list article > span { color: var(--green); font: 12px monospace; }
.capability-list h3 { margin: 0 0 10px; font-size: 18px; }
.capability-list p { margin: 0; color: #91a0a2; font-size: 13px; line-height: 1.7; }

.routing { background: var(--white); }
.routing-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: center; }
.routing-copy h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.14; }
.routing-copy > p:not(.kicker) { margin: 24px 0 34px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.route-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.route-tabs button { height: 48px; padding: 0 16px; border: 1px solid var(--line); border-radius: 2px; display: flex; align-items: center; gap: 10px; color: #687573; background: transparent; cursor: pointer; text-align: left; }
.route-tabs button i { width: 7px; height: 7px; border-radius: 50%; background: #9ba7a5; }
.route-tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--green); background: #eefbf6; }
.route-tabs button[aria-selected="true"] i { background: var(--green); box-shadow: 0 0 0 4px rgba(29,185,134,.12); }
.route-console { border: 1px solid #28383e; color: #e9f2f0; background: #142126; box-shadow: 0 30px 70px rgba(15,33,39,.2); }
.console-toolbar { height: 46px; padding: 0 17px; border-bottom: 1px solid rgba(255,255,255,.1); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.console-toolbar > span { display: flex; gap: 6px; }
.console-toolbar > span i { width: 7px; height: 7px; border-radius: 50%; background: #5c6c70; }
.console-toolbar small { color: #94a3a5; font: 12px monospace; letter-spacing: 1px; }
.console-toolbar b { justify-self: end; color: var(--green); font: 12px monospace; }
.console-body { padding: 34px; }
.identity-strip { padding-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.1); display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 14px; }
.identity-avatar { width: 46px; height: 46px; border: 1px solid rgba(29,185,134,.38); border-radius: 50%; display: grid; place-items: center; color: var(--green); }
.identity-avatar svg { width: 22px; }
.identity-strip small { display: block; color: #8b9a9d; font: 12px monospace; letter-spacing: 1px; }
.identity-strip strong { margin-top: 5px; display: block; font-size: 17px; }
.identity-strip em { padding: 6px 9px; color: var(--green); border: 1px solid currentColor; border-radius: 2px; font-size: 12px; font-style: normal; }
.route-flow { min-height: 110px; display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 10px; }
.route-flow span { color: #a4b1b2; font-size: 12px; }
.route-flow i { height: 1px; background: linear-gradient(to right, #536568, var(--green)); }
.route-flow strong { min-width: 132px; padding: 10px; border: 1px solid rgba(29,185,134,.4); color: var(--mint); font-size: 12px; text-align: center; }
.route-detail { border: 1px solid rgba(255,255,255,.1); display: grid; grid-template-columns: .7fr 1.3fr; }
.route-detail div { padding: 17px; }
.route-detail div + div { border-left: 1px solid rgba(255,255,255,.1); }
.route-detail small, .route-message span { display: block; color: #8d9d9f; font-size: 12px; }
.route-detail strong { margin-top: 8px; display: block; font-size: 12px; }
.route-message { margin-top: 21px; }
.route-message p { margin: 8px 0 0; color: #a2b0b1; font-size: 12px; line-height: 1.7; }

.signals { overflow: hidden; background: #eef2f0; }
.signal-board { position: relative; width: 100%; height: 520px; }
.signal-center { position: absolute; z-index: 2; left: 50%; top: 50%; width: 174px; height: 174px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--white); background: var(--ink); transform: translate(-50%,-50%); box-shadow: 0 20px 50px rgba(23,34,41,.22); }
.signal-center span { color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: 2px; }
.signal-center strong { margin: 8px 0; font-size: 22px; }
.signal-center small { color: #a4b1b0; font-size: 12px; }
.signal-item { position: absolute; z-index: 2; width: 265px; padding: 20px; border-top: 2px solid var(--green); display: grid; grid-template-columns: 32px 1fr; background: var(--white); box-shadow: 0 12px 30px rgba(33,55,56,.08); }
.signal-item > span { color: var(--green-dark); font: 12px monospace; }
.signal-item h3 { margin: 0 0 8px; font-size: 15px; }
.signal-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.item-1 { left: 0; top: 20px; }
.item-2 { right: 0; top: 20px; }
.item-3 { right: 0; bottom: 18px; }
.item-4 { left: 0; bottom: 18px; }
.item-5 { left: 50%; top: 0; transform: translateX(-50%); }
.signal-connectors { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; overflow: visible; }
.signal-connectors path, .signal-connectors circle { stroke: #b7c4c1; stroke-width: 1; stroke-dasharray: 4 7; }

.architecture { color: var(--white); background: var(--night); }
.architecture .kicker { color: var(--green); }
.architecture-head { display: grid; grid-template-columns: 1fr .75fr; gap: 100px; align-items: end; }
.architecture-head > p { margin: 0 0 4px; color: #96a5a7; font-size: 15px; line-height: 1.85; }
.architecture-diagram { min-height: 360px; margin-top: 72px; padding: 40px; border: 1px solid rgba(255,255,255,.13); display: grid; grid-template-columns: 160px 70px 230px 1fr 70px 180px; align-items: center; background: #132126; }
.arch-group > small { margin-bottom: 10px; display: block; color: #87989b; font-size: 12px; }
.arch-node { min-height: 130px; padding: 22px 15px; border: 1px solid rgba(255,255,255,.15); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.arch-node svg { width: 28px; height: 28px; margin-bottom: 13px; color: var(--green); }
.arch-node strong { font-size: 14px; }
.arch-node span { margin-top: 7px; color: #91a1a4; font-size: 12px; }
.main-node { min-height: 180px; border-color: rgba(29,185,134,.5); box-shadow: inset 0 0 30px rgba(29,185,134,.05); }
.main-node > b { width: 38px; height: 38px; margin-bottom: 12px; display: grid; place-items: center; color: #06150f; background: var(--green); font-size: 20px; }
.node-status { margin-top: 17px; color: var(--mint); font-size: 12px; }
.node-status i { width: 5px; height: 5px; margin-right: 6px; border-radius: 50%; display: inline-block; background: var(--green); }
.arch-arrow { padding-top: 24px; text-align: center; }
.arch-arrow i { width: 100%; height: 1px; display: block; background: linear-gradient(90deg,#52666a,var(--green)); }
.arch-arrow span { color: #8d9da0; font-size: 12px; }
.arch-branches { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding: 25px; }
.arch-branches div { min-height: 100px; padding: 13px 8px; border: 1px solid rgba(255,255,255,.1); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: rgba(255,255,255,.02); }
.arch-branches i { width: 6px; height: 6px; margin-bottom: 8px; border-radius: 50%; background: var(--amber); }
.arch-branches span { color: #91a1a4; font-size: 12px; }
.arch-branches strong { margin-top: 7px; font-size: 12px; }
.architecture-notes { border-left: 1px solid rgba(255,255,255,.12); border-right: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); display: grid; grid-template-columns: repeat(4,1fr); }
.architecture-notes span { min-height: 70px; padding: 20px; border-right: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; gap: 8px; color: #91a1a4; font-size: 12px; }
.architecture-notes span:last-child { border: 0; }
.architecture-notes i { color: var(--green); font-style: normal; }
.architecture-notes b { color: #dfe8e7; font-size: 12px; }

.measurement { background: var(--white); }
.measurement-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; align-items: center; }
.measure-copy > p:not(.kicker) { margin: 25px 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.text-link { padding: 0 0 7px; border: 0; border-bottom: 1px solid var(--green); display: inline-flex; align-items: center; gap: 12px; color: var(--green-dark); background: transparent; font-size: 13px; cursor: pointer; }
.measure-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.measure-grid article { min-height: 190px; padding: 25px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.measure-grid article > span { color: var(--green-dark); font: 12px monospace; }
.measure-grid h3 { margin: 27px 0 8px; font-size: 17px; }
.measure-grid p { min-height: 42px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.measure-grid i { position: relative; height: 2px; margin-top: 24px; display: block; background: #e3e8e6; }
.measure-grid i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--bar); background: var(--green); }

.delivery { background: #eef2f0; }
.delivery-list { margin: 0; padding: 0; border-top: 1px solid #cdd7d4; list-style: none; }
.delivery-list li { min-height: 190px; padding: 34px 24px; border-bottom: 1px solid #cdd7d4; display: grid; grid-template-columns: 150px 1fr auto; gap: 50px; align-items: center; transition: background .2s; }
.delivery-list li:hover { background: rgba(255,255,255,.55); }
.delivery-index span { display: block; color: #778784; font: 12px monospace; }
.delivery-index strong { display: block; margin-top: 4px; color: var(--green-dark); font: 42px monospace; }
.delivery-list small { color: var(--green-dark); font-size: 12px; }
.delivery-list h3 { margin: 9px 0; font-size: 22px; }
.delivery-list p { max-width: 690px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.delivery-list em { padding: 8px 12px; border: 1px solid #b6c4c1; color: #5e6f6c; font-size: 12px; font-style: normal; }

.cta-section { position: relative; min-height: 500px; overflow: hidden; display: grid; place-items: center; color: var(--white); background: #08795c; }
.cta-section::after { content: "UWAF"; position: absolute; right: -2vw; bottom: -70px; color: rgba(255,255,255,.06); font-size: 240px; font-weight: 900; line-height: 1; }
.cta-pattern { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 60px 60px; mask-image: linear-gradient(90deg,#000,transparent); }
.cta-inner { position: relative; z-index: 2; width: var(--shell); text-align: center; }
.cta-inner .kicker { color: var(--mint); }
.cta-inner h2 { margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.1; }
.cta-inner p { max-width: 620px; margin: 24px auto 30px; color: #c5ebe0; font-size: 16px; line-height: 1.7; }
.button-light { color: var(--green-dark); background: var(--white); }
.button-light:hover { background: #eafff7; }

.site-footer { padding: 72px max(24px, calc((100vw - 1200px)/2)) 25px; color: #a3b0b0; background: #0c1519; }
.footer-main { min-height: 230px; display: grid; grid-template-columns: 250px minmax(320px, 1fr) auto; gap: 60px; }
.footer-brand-group { align-self: start; }
.footer-brand { color: var(--white); }
.footer-brand-group > p { margin: 22px 0 0; font-size: 13px; line-height: 1.9; }
.footer-company { margin: 3px 0 0; color: #a3b0b0; font-style: normal; }
.footer-company > strong { display: block; margin-bottom: 24px; color: var(--white); font-size: 15px; font-weight: 650; }
.footer-company > div { margin-top: 13px; display: grid; grid-template-columns: 42px 1fr; align-items: baseline; gap: 8px; font-size: 13px; line-height: 1.7; }
.footer-company span { color: #687879; }
.footer-company p { margin: 0; }
.footer-company a { color: #c7d1cf; }
.footer-company a:hover { color: var(--green); }
.footer-links { display: flex; gap: 90px; }
.footer-links div { display: flex; flex-direction: column; gap: 12px; }
.footer-links span { margin-bottom: 5px; color: var(--white); font-size: 12px; font-weight: 700; }
.footer-links a { font-size: 12px; }
.footer-links a:hover { color: var(--green); }
.footer-bottom { min-height: 62px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; color: #718082; font-size: 12px; }
.footer-bottom p { margin: 0; }
.footer-compliance { display: flex; align-items: center; gap: 14px; }
.footer-compliance a { transition: color .2s; }
.footer-compliance a:hover { color: var(--green); }
.footer-compliance i { width: 3px; height: 3px; border-radius: 50%; background: #526164; }

.contact-dialog { width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 44px; border: 0; border-radius: var(--radius); color: var(--ink); background: var(--white); box-shadow: 0 30px 90px rgba(0,0,0,.35); overflow: auto; }
.contact-dialog::backdrop { background: rgba(7,14,17,.78); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 17px; right: 17px; width: 36px; height: 36px; border: 0; display: grid; place-items: center; color: #7b8886; background: transparent; cursor: pointer; }
.dialog-close svg { width: 20px; }
.dialog-kicker { color: var(--green-dark); font-size: 12px; font-weight: 800; letter-spacing: 1.8px; }
.contact-dialog h2 { margin: 12px 0; font-size: 32px; }
.contact-dialog > p { margin: 0 0 25px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.contact-dialog form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.contact-dialog label { display: grid; gap: 8px; }
.contact-dialog label span { font-size: 12px; font-weight: 700; }
.contact-dialog input, .contact-dialog select { width: 100%; height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 2px; outline: 0; background: #fafcfb; font-size: 13px; }
.contact-dialog input:focus, .contact-dialog select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(29,185,134,.1); }
.submit-button { grid-column: 1/-1; margin-top: 4px; }
.contact-dialog form > small { grid-column: 1/-1; color: #74817f; font-size: 12px; line-height: 1.5; text-align: center; }
.form-success { padding: 30px 0 15px; text-align: center; }
.form-success > span { width: 54px; height: 54px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center; color: var(--white); background: var(--green); font-size: 25px; }
.form-success h3 { margin: 0; font-size: 23px; }
.form-success p { margin: 12px auto 24px; color: var(--muted); font-size: 13px; line-height: 1.7; }

@media (max-width: 1050px) {
  :root { --shell: min(100% - 40px, 920px); }
  .desktop-nav { gap: 22px; margin-right: 22px; }
  .hero-shell { grid-template-columns: 1fr .9fr; gap: 10px; }
  .hero-visual { transform: scale(.82); transform-origin: center; }
  .hero-proof { flex-wrap: wrap; }
  .threat-line { grid-template-columns: 1fr 1fr; }
  .threat-line article:nth-child(2) { border-right: 0; }
  .threat-line article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .loop-visual { grid-template-columns: repeat(3,1fr); gap: 15px; }
  .loop-arrow, .loop-return { display: none; }
  .routing-grid { gap: 45px; }
  .signal-item { width: 225px; }
  .architecture-diagram { padding: 25px; grid-template-columns: 120px 45px 180px 1fr 45px 145px; }
  .arch-branches { padding: 15px; }
  .measurement-grid { gap: 50px; }
}

@media (min-width: 1051px) {
  .hero h1,
  .section-heading h2,
  .section-intro h2,
  .routing-copy h2,
  .architecture-head h2,
  .measure-copy h2,
  .cta-inner h2 { white-space: nowrap; }
  .hero h1 { font-size: 60px; }
  .section-heading h2, .architecture-head h2 { font-size: 50px; }
  .challenge .section-intro h2 { font-size: 46px; }
  .routing-copy h2 { font-size: 44px; }
  .measure-copy h2 { font-size: 40px; }
  .cta-inner h2 { font-size: 58px; }
}

@media (min-width: 801px) and (max-width: 1050px) {
  .hero h1,
  .section-heading h2,
  .section-intro h2,
  .routing-copy h2,
  .architecture-head h2,
  .measure-copy h2,
  .cta-inner h2 { white-space: nowrap; }
  .hero h1 { font-size: 42px; }
  .section-heading h2 { font-size: 40px; }
  .challenge .section-intro h2, .architecture-head h2, .routing-copy h2 { font-size: 34px; }
  .measure-copy h2 { font-size: 32px; }
  .cta-inner h2 { font-size: 44px; }
}

@media (max-width: 800px) {
  :root { --shell: calc(100vw - 32px); }
  .section-pad { padding: 86px 0; }
  .desktop-nav, .nav-cta { display: none; }
  .menu-button { display: block; }
  .menu-open .menu-button span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-open .menu-button span:nth-child(2) { opacity: 0; }
  .menu-open .menu-button span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .mobile-nav { position: absolute; top: 76px; left: 0; width: 100%; padding: 15px 16px 22px; border-top: 1px solid rgba(255,255,255,.1); display: grid; gap: 2px; background: #0e181d; transform: translateY(-130%); opacity: 0; transition: transform .25s, opacity .25s; }
  .menu-open .mobile-nav { transform: none; opacity: 1; }
  .mobile-nav a, .mobile-nav button { padding: 14px 10px; border: 0; color: #d6dfdd; background: transparent; text-align: left; }
  .mobile-nav button { margin-top: 8px; color: #05140e; background: var(--green); text-align: center; }
  .hero { min-height: auto; }
  .hero-shell { min-height: 0; padding-top: 118px; display: block; }
  .hero-copy { padding: 20px 0 10px; }
  .hero h1 { font-size: clamp(52px, 15vw, 72px); }
  .hero-statement { font-size: 20px; }
  .hero-visual { width: min(100%, 580px); min-height: 500px; margin: 0 auto; transform: scale(.9); transform-origin: center; }
  .hero-bottom { min-height: 100px; display: block; padding: 20px 0; }
  .hero-bottom div { margin-top: 13px; flex-wrap: wrap; }
  .section-intro, .architecture-head, .measurement-grid { grid-template-columns: 1fr; gap: 30px; }
  .threat-line article { min-height: 240px; }
  .loop-visual { grid-template-columns: 1fr; gap: 12px; }
  .loop-stage { min-height: 270px; }
  .stage-icon { margin-bottom: 35px; }
  .capability-layout { grid-template-columns: 1fr; }
  .capability-feature { padding-right: 0; padding-bottom: 45px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .capability-list { padding-left: 0; }
  .routing-grid { grid-template-columns: 1fr; }
  .signal-board { height: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .signal-center { position: relative; left: auto; top: auto; grid-column: 1/-1; margin: 0 auto 25px; transform: none; }
  .signal-item { position: static; width: auto; min-height: 110px; }
  .item-5 { transform: none; }
  .signal-connectors { display: none; }
  .architecture-diagram { grid-template-columns: 1fr; gap: 10px; }
  .arch-arrow { padding: 0; transform: rotate(90deg); }
  .arch-arrow i { width: 48px; margin: 0 auto; }
  .arch-arrow span { display: none; }
  .arch-branches { grid-template-columns: repeat(3,1fr); padding: 5px 0; }
  .architecture-notes { grid-template-columns: 1fr 1fr; }
  .architecture-notes span:nth-child(2) { border-right: 0; }
  .architecture-notes span:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .measure-grid { grid-template-columns: repeat(2,1fr); }
  .delivery-list li { grid-template-columns: 80px 1fr; gap: 25px; }
  .delivery-list em { grid-column: 2; justify-self: start; }
  .footer-main { grid-template-columns: 220px 1fr; gap: 42px; }
  .footer-links { grid-column: 1 / -1; gap: 45px; }
}

@media (max-width: 520px) {
  .challenge { padding-top: 30px; }
  .section-heading { margin-bottom: 44px; text-align: left; }
  .section-heading > p:last-child { margin-left: 0; }
  .section-heading h2, .section-intro h2, .architecture-head h2, .measure-copy h2 { font-size: 34px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-proof { margin-top: 34px; padding-top: 18px; gap: 13px 18px; }
  .hero-visual, .hero-bottom { display: none; }
  .hero-bottom div { gap: 9px; }
  .hero-bottom b { font-size: 12px; }
  .section-intro { display: block; }
  .section-intro > p { margin-top: 25px; }
  .threat-line { grid-template-columns: 1fr; }
  .threat-line article { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--line); }
  .threat-line article:nth-child(3) { border-bottom: 1px solid var(--line); }
  .threat-line svg { margin: 15px 0 25px; }
  .feature-no { top: 50px; right: 0; }
  .feature-title h3 { font-size: 28px; }
  .journey-events span { font-size: 12px; }
  .route-tabs { grid-template-columns: 1fr 1fr; }
  .console-body { padding: 22px 18px; }
  .route-flow { grid-template-columns: auto 1fr auto; }
  .route-flow i:nth-of-type(2), .route-flow span:nth-of-type(2) { display: none; }
  .route-detail { grid-template-columns: 1fr; }
  .route-detail div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .signal-board { grid-template-columns: 1fr; }
  .signal-center { grid-column: 1; }
  .arch-branches { grid-template-columns: 1fr; }
  .architecture-notes { grid-template-columns: 1fr; }
  .architecture-notes span { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .measure-grid { grid-template-columns: 1fr; }
  .measure-grid article { min-height: 170px; }
  .delivery-list li { grid-template-columns: 1fr; gap: 18px; padding-left: 6px; padding-right: 6px; }
  .delivery-list em { grid-column: 1; }
  .delivery-index { display: flex; align-items: baseline; gap: 8px; }
  .delivery-index strong { font-size: 31px; }
  .cta-section::after { font-size: 130px; }
  .footer-main { grid-template-columns: 1fr; gap: 25px; }
  .footer-links { grid-column: auto; margin-top: 20px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .footer-compliance { align-items: flex-start; flex-direction: column; gap: 8px; }
  .footer-compliance i { display: none; }
  .contact-dialog { padding: 40px 22px 28px; }
  .contact-dialog form { grid-template-columns: 1fr; }
  .submit-button, .contact-dialog form > small { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}