:root {
  --bg: #04101f;
  --bg-2: #061426;
  --bg-3: #081a30;
  --panel: #0a1c33;
  --panel-2: #0d213c;
  --line: #17314f;
  --line-hi: #28527d;
  --text: #edf5ff;
  --muted: #96a9bd;
  --muted-2: #66809b;
  --white: #ffffff;
  --blue: #1677ff;
  --blue-hi: #5aa7ff;
  --cyan: #63c5ff;
  --success: #67d6a2;
  --danger: #ff7285;
  --radius: 14px;
  --radius-lg: 22px;
  --max: 1240px;
  --shadow: 0 22px 60px rgba(0, 0, 0, .24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Inter, "Segoe UI", Arial, sans-serif; line-height: 1.55; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none; background: #04101f; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--blue); color: #fff; }

.container { width: min(calc(100% - 44px), var(--max)); margin-inline: auto; }
.section { padding: 112px 0; position: relative; }
.section + .section { border-top: 1px solid rgba(23,49,79,.72); }
.skip-link { position: fixed; left: 14px; top: -100px; z-index: 200; padding: 10px 14px; background: #fff; color: #000; border-radius: 8px; }
.skip-link:focus { top: 14px; }
.page-progress { position: fixed; z-index: 180; inset: 0 0 auto; height: 2px; background: transparent; }
.page-progress span { display: block; width: 0; height: 100%; background: var(--blue); }

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(46px, 4.7vw, 72px); line-height: .99; letter-spacing: -.048em; margin-bottom: 26px; max-width: 930px; font-weight: 900; text-wrap: balance; overflow-wrap: break-word; }
h2 { font-size: clamp(38px, 4.3vw, 62px); line-height: 1.02; letter-spacing: -.045em; margin-bottom: 22px; font-weight: 880; }
h3 { font-size: 24px; line-height: 1.15; letter-spacing: -.02em; }
.eyebrow { color: var(--blue-hi); font-size: 11px; line-height: 1; letter-spacing: .19em; font-weight: 900; margin-bottom: 20px; }
.lead, .section-head > p:not(.eyebrow) { color: var(--muted); font-size: 18px; max-width: 790px; }
.section-head { margin-bottom: 52px; max-width: 900px; }
.section-head h2 { text-wrap: balance; }

.site-header { position: sticky; top: 0; z-index: 120; background: rgba(4,16,31,.94); border-bottom: 1px solid rgba(23,49,79,.78); backdrop-filter: blur(16px); }
.header-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 0; }
.brand-symbol { width: 43px; color: #fff; fill: currentColor; }
.brand-symbol .accent { fill: var(--blue); }
.brand-text { display: grid; gap: 2px; line-height: 1; }
.brand-text strong { font-size: 18px; letter-spacing: -.02em; }
.brand-text small { color: var(--muted); font-size: 8px; letter-spacing: .22em; white-space: nowrap; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 13px; color: #b7c5d5; }
.nav a { transition: color .18s ease; }
.nav a:hover, .nav a:focus-visible { color: #fff; }
.nav-cta { padding: 10px 15px; border: 1px solid var(--line-hi); border-radius: 8px; color: #fff !important; }
.nav-cta:hover { border-color: var(--blue); background: rgba(22,119,255,.08); }
.menu-btn { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 9px; background: transparent; padding: 10px; cursor: pointer; }
.menu-btn span { display: block; height: 2px; background: #fff; margin: 5px 0; }

.hero { min-height: calc(100vh - 78px); display: grid; align-content: center; padding: 78px 0 38px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(36px, 4vw, 64px); align-items: center; }
.hero-copy { position: relative; z-index: 2; min-width: 0; }
.status-line { display: inline-flex; gap: 9px; align-items: center; color: var(--muted); font-size: 10px; letter-spacing: .16em; margin-bottom: 26px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(103,214,162,.08); }
.hero-lead { color: #b4c3d3; max-width: 760px; font-size: clamp(18px, 1.65vw, 22px); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { min-height: 48px; padding: 0 20px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; font-size: 13px; font-weight: 850; cursor: pointer; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover { background: #0f6be8; }
.btn-secondary { border-color: var(--line-hi); background: rgba(7,25,46,.62); color: #fff; }
.btn-secondary:hover { border-color: var(--blue-hi); }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); margin-top: 46px; padding-top: 18px; }
.hero-facts > div { display: grid; gap: 3px; padding-right: 16px; }
.hero-facts > div + div { border-left: 1px solid var(--line); padding-left: 16px; }
.hero-facts b { color: var(--blue-hi); font-size: 11px; letter-spacing: .17em; }
.hero-facts span { color: var(--muted); font-size: 12px; }

.hero-system { min-width: 0; width: 100%; min-height: 570px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #061426; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.system-toolbar { height: 48px; padding: 0 17px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .17em; }
.system-state { display: flex; align-items: center; gap: 7px; color: var(--success); }
.system-state i { width: 6px; height: 6px; background: var(--success); border-radius: 50%; }
.system-stage { height: 450px; position: relative; background: #051526; }
.system-stage::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .28; background-size: 32px 32px; background-image: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%2732%27 height=%2732%27 viewBox=%270 0 32 32%27%3E%3Cpath d=%27M32 0H0V32%27 fill=%27none%27 stroke=%27%232c5b87%27 stroke-width=%271%27/%3E%3C/svg%3E"); }
.system-lines { position: absolute; inset: 0; width: 100%; height: 100%; }
.system-lines path { fill: none; stroke: #234665; stroke-width: 2; vector-effect: non-scaling-stroke; }
.sys-node { position: absolute; width: 118px; min-height: 74px; border: 1px solid var(--line-hi); background: #07182c; border-radius: 10px; padding: 11px 12px; text-align: left; cursor: pointer; transition: border-color .18s ease, transform .18s ease, background .18s ease; }
.sys-node:hover, .sys-node.active { border-color: var(--blue); background: #0a203b; transform: translateY(-2px); }
.sys-node span { display: block; color: var(--blue-hi); font-size: 9px; letter-spacing: .14em; margin-bottom: 6px; }
.sys-node b { display: block; font-size: 13px; }
.sys-node small { color: var(--muted); font-size: 10px; }
.n1 { left: 28px; top: 44px; }.n2 { left: 28px; top: 196px; }.n3 { left: 28px; top: 322px; }
.n4 { right: 28px; top: 44px; }.n5 { right: 28px; top: 196px; }.n6 { right: 28px; top: 322px; }
.sys-core { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 174px; height: 174px; border: 1px solid var(--blue); border-radius: 50%; display: grid; place-items: center; align-content: center; text-align: center; background: #071a30; box-shadow: inset 0 0 0 13px #04101f, inset 0 0 0 14px var(--line); }
.sys-core span { color: #fff; font-size: 38px; line-height: 1; font-weight: 950; letter-spacing: -.06em; }
.sys-core b { color: var(--blue-hi); font-size: 9px; letter-spacing: .2em; margin-top: 8px; }
.sys-core small { color: var(--muted); width: 126px; margin-top: 8px; font-size: 9px; line-height: 1.35; }
.signal { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(99,197,255,.08); opacity: 0; }
.s1 { top: 156px; left: 40%; animation: signalOne 4.8s linear infinite; }.s2 { top: 238px; left: 38%; animation: signalTwo 5.6s linear 1s infinite; }.s3 { top: 316px; left: 51%; animation: signalThree 5.2s linear 2s infinite; }
@keyframes signalOne { 0%{opacity:0;left:38%}10%{opacity:1}50%{left:72%}60%,100%{opacity:0;left:72%} }
@keyframes signalTwo { 0%{opacity:0;left:31%}10%{opacity:1}52%{left:72%}62%,100%{opacity:0;left:72%} }
@keyframes signalThree { 0%{opacity:0;left:50%}10%{opacity:1}48%{left:74%}58%,100%{opacity:0;left:74%} }
.system-readout { min-height: 72px; border-top: 1px solid var(--line); padding: 14px 17px; display: grid; grid-template-columns: 70px 1fr; gap: 14px; align-items: start; }
.system-readout span { color: var(--blue-hi); font-size: 9px; font-weight: 900; letter-spacing: .14em; padding-top: 2px; }
.system-readout p { color: var(--muted); margin: 0; font-size: 12px; }
.hero-ticker { margin-top: 54px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 14px; align-items: center; color: var(--muted-2); font-size: 9px; font-weight: 850; letter-spacing: .16em; }
.hero-ticker i { width: 4px; height: 4px; background: var(--blue); border-radius: 50%; }

.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); }
.service-card { min-height: 460px; padding: 28px; display: flex; flex-direction: column; position: relative; overflow: hidden; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.service-card::before { content: attr(data-accent); position: absolute; right: 18px; bottom: -12px; color: rgba(90,167,255,.045); font-size: 86px; font-weight: 950; letter-spacing: -.08em; pointer-events: none; }
.service-card:hover { transform: translateY(-4px); border-color: var(--line-hi); background: #0b2038; }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 54px; }
.service-no { color: var(--muted-2); font-size: 10px; letter-spacing: .14em; }
.service-chip { border: 1px solid var(--line-hi); color: var(--blue-hi); border-radius: 999px; font-size: 9px; font-weight: 900; letter-spacing: .16em; padding: 6px 9px; }
.service-card > p { color: var(--muted); max-width: 610px; }
.service-card ul { margin: 18px 0 28px; padding: 0; list-style: none; color: #c3d0de; font-size: 14px; }
.service-card li { padding: 8px 0 8px 18px; border-top: 1px solid rgba(23,49,79,.72); position: relative; }
.service-card li::before { content: "+"; position: absolute; left: 0; color: var(--blue-hi); }
.card-link { margin-top: auto; color: var(--blue-hi); font-size: 12px; font-weight: 850; display: inline-flex; gap: 8px; align-items: center; }

.scenarios { background: var(--bg-2); }
.scenario-layout { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 68px; align-items: start; }
.scenario-copy { position: sticky; top: 112px; }
.scenario-tabs { display: grid; gap: 8px; margin-top: 34px; }
.scenario-tab { min-height: 52px; padding: 0 15px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--muted); text-align: left; cursor: pointer; transition: color .18s ease, border-color .18s ease, background .18s ease; }
.scenario-tab:hover, .scenario-tab.active { color: #fff; border-color: var(--blue); background: rgba(22,119,255,.08); }
.scenario-panel { border: 1px solid var(--line-hi); background: #07182c; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.scenario-head { display: grid; grid-template-columns: 80px 1fr; gap: 14px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.scenario-head span { color: var(--blue-hi); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.scenario-head b { font-size: 24px; line-height: 1.1; }
.scenario-panel > p { color: var(--muted); font-size: 16px; margin: 28px 0; }
.scenario-flow { display: grid; grid-template-columns: repeat(9, auto); gap: 8px; align-items: center; padding: 18px 0; border-block: 1px solid var(--line); overflow-x: auto; }
.scenario-flow span { white-space: nowrap; min-height: 34px; display: inline-flex; align-items: center; padding: 0 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 10px; color: #c7d4e2; }
.scenario-flow i { color: var(--blue); font-style: normal; }
.scenario-result { margin: 28px 0; }
.scenario-result small { color: var(--blue-hi); font-size: 9px; font-weight: 900; letter-spacing: .17em; }
.scenario-result p { color: #d0dae5; margin: 9px 0 0; }

.architecture-map { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.architecture-map article { min-height: 190px; padding: 24px; background: var(--panel); display: flex; flex-direction: column; }
.architecture-map article + i + article { border-left: 1px solid var(--line); }
.architecture-map article span { color: var(--blue-hi); font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.architecture-map article b { margin-top: auto; font-size: 18px; }
.architecture-map article small { color: var(--muted); margin-top: 8px; }
.architecture-map > i { width: 36px; display: grid; place-items: center; color: var(--blue); background: #061426; font-style: normal; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }

.split { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: 80px; }
.process-grid { grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr); gap: clamp(42px, 5vw, 72px); }
.process-grid h2 { max-width: 650px; font-size: clamp(36px, 3.5vw, 52px); text-wrap: balance; }
.sticky-copy { position: sticky; top: 112px; align-self: start; }
.text-link { display: inline-flex; gap: 10px; color: var(--blue-hi); font-size: 13px; font-weight: 850; margin-top: 20px; }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 70px 1fr; gap: 22px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.timeline > li > span { color: var(--blue-hi); font-weight: 900; letter-spacing: .12em; }
.timeline h3 { margin-bottom: 7px; }
.timeline p { margin: 0; color: var(--muted); max-width: 790px; }

.tech { background: var(--bg-2); }
.tech-console { display: grid; grid-template-columns: 220px minmax(0, 1fr); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #061426; }
.tech-menu { padding: 16px; border-right: 1px solid var(--line); display: grid; gap: 7px; align-content: start; }
.tech-tab { min-height: 48px; border: 1px solid transparent; background: transparent; color: var(--muted); text-align: left; padding: 8px 13px; border-radius: 7px; cursor: pointer; font: inherit; font-size: 14px; font-weight: 750; }
.tech-tab:hover, .tech-tab.active { border-color: var(--line-hi); color: #fff; background: #0a1c33; }
.tech-tab:focus-visible, .tech-card:focus-visible, .equipment-card:focus-visible { outline: 2px solid var(--blue-hi); outline-offset: 2px; }
.tech-screen { min-width: 0; padding: 26px; }
.tech-screen-top { display: flex; justify-content: space-between; color: var(--muted-2); font-size: 9px; font-weight: 850; letter-spacing: .15em; border-bottom: 1px solid var(--line); padding-bottom: 13px; }
.tech-screen-top b { color: var(--blue-hi); }
.tech-intro { margin: 26px 0 24px; }
.tech-intro h3 { margin-bottom: 8px; font-size: clamp(22px, 2.5vw, 29px); line-height: 1.15; }
.tech-intro p { color: var(--muted); max-width: 710px; margin-bottom: 0; font-size: 15px; }
.tech-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.tech-card { min-width: 0; min-height: 158px; display: flex; flex-direction: column; align-items: flex-start; gap: 17px; padding: 18px; border: 1px solid var(--line); border-radius: 9px; background: #081a2d; transition: border-color .2s ease, transform .2s ease, background .2s ease; }
.tech-card:hover, .tech-card:focus-visible { border-color: var(--blue); background: #0a2039; transform: translateY(-3px); }
.tech-card img, .equipment-card img { width: 31px; height: 31px; object-fit: contain; flex: none; }
.tech-card h4 { color: #fff; font-size: 15px; line-height: 1.2; margin: 0 0 7px; overflow-wrap: anywhere; }
.tech-card p { color: var(--muted); font-size: 12px; line-height: 1.4; margin: 0; }
.project-env-section { background: #061426; border-top: 1px solid var(--line); }
.project-env-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 38px; }
.project-env-head > div { min-width: 0; }
.project-env-head .eyebrow { margin-bottom: 8px; }
.project-env-head h2 { margin-bottom: 16px; text-wrap: balance; }
.project-env-head p:not(.eyebrow) { max-width: 780px; margin: 0; color: var(--muted); font-size: 18px; }
.project-env-head > span { color: var(--muted-2); font-size: 10px; font-weight: 850; letter-spacing: .14em; white-space: nowrap; }
.env-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.env-card { min-width: 0; min-height: 302px; display: flex; flex-direction: column; padding: 21px; border: 1px solid var(--line); border-radius: var(--radius); background: #07182b; position: relative; overflow: hidden; transition: border-color .22s ease, transform .22s ease, background .22s ease; }
.env-card:hover, .env-card:focus-visible { border-color: var(--blue); background: #092039; transform: translateY(-3px); }
.env-card:focus-visible { outline: 2px solid var(--blue-hi); outline-offset: 2px; }
.env-card-top, .env-card-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.env-card-top img { width: 28px; height: 28px; opacity: .78; transition: opacity .3s ease, transform .3s ease; }
.env-card:hover .env-card-top img, .env-card:focus-visible .env-card-top img { opacity: 1; transform: scale(1.08); }
.env-card-top > span, .env-card-bottom { color: var(--muted-2); font-size: 10px; font-weight: 850; letter-spacing: .12em; }
.env-card-title { margin: 13px 0 10px; }
.env-card-title h4 { margin: 0 0 4px; color: #f1f7ff; font-size: clamp(21px, 2.2vw, 27px); line-height: 1.08; letter-spacing: -.025em; overflow-wrap: anywhere; }
.env-card-title h4 span { color: #a9c0d6; font-size: .68em; font-weight: 750; letter-spacing: 0; white-space: nowrap; }
.env-card-title p { margin: 0; color: var(--blue-hi); font-size: 11px; font-weight: 850; letter-spacing: .12em; }
.env-card-scene { min-width: 0; height: 132px; margin: auto 0 15px; border: 1px solid #183b5b; background: #061527; position: relative; overflow: hidden; }
.env-card-scene img { display: block; width: 100%; height: 100%; object-fit: contain; }
.env-card-scene::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--blue-hi); opacity: 0; pointer-events: none; }
.env-card:hover .env-card-scene::after, .env-card:focus-visible .env-card-scene::after { animation: env-scan .65s ease-out; }
@keyframes env-scan { 0% { opacity: 0; transform: translateY(0); } 15% { opacity: .8; } 100% { opacity: 0; transform: translateY(130px); } }
.env-card-bottom { padding-top: 12px; border-top: 1px solid var(--line); }
.env-status { color: var(--blue-hi); position: relative; min-width: 145px; text-align: right; white-space: nowrap; }
.env-status-init { position: absolute; right: 0; opacity: 0; }
.env-card:hover .env-status-init, .env-card:focus-visible .env-status-init { animation: env-init .65s both; }
.env-card:hover .env-status-ready, .env-card:focus-visible .env-status-ready { animation: env-ready .65s both; }
@keyframes env-init { 0%, 45% { opacity: 1; } 60%, 100% { opacity: 0; } }
@keyframes env-ready { 0%, 45% { opacity: 0; } 65%, 100% { opacity: 1; } }
.equipment { background: var(--bg); }
.equipment-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.equipment-card { min-width: 0; min-height: 215px; display: flex; flex-direction: column; align-items: flex-start; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); transition: border-color .2s ease, transform .2s ease, background .2s ease; }
.equipment-card:hover, .equipment-card:focus-visible { border-color: var(--blue); background: #0b223b; transform: translateY(-3px); }
.equipment-card img { width: 37px; height: 37px; margin-bottom: auto; }
.equipment-card h3 { margin: 28px 0 8px; color: #fff; font-size: clamp(20px, 2vw, 25px); line-height: 1.12; overflow-wrap: anywhere; }
.equipment-card p { color: var(--muted); font-size: 13px; line-height: 1.45; margin: 0; }
.equipment-line { margin: 25px 0 0; color: #a9c0d6; font-size: 12px; font-weight: 750; letter-spacing: .04em; text-align: center; }
.equipment-line span { color: var(--blue); margin: 0 8px; }

.deliver-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.deliver-card { min-height: 280px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(7,24,44,.62); display: flex; flex-direction: column; }
.deliver-card span { color: var(--blue-hi); font-size: 10px; font-weight: 900; letter-spacing: .15em; }
.deliver-card h3 { margin-top: auto; font-size: 20px; }
.deliver-card p { color: var(--muted); font-size: 14px; margin-bottom: 0; }

.brief { background: var(--bg-2); }
.brief-grid { align-items: center; }
.brief-terminal { border: 1px solid var(--line-hi); border-radius: var(--radius); background: #05101e; overflow: hidden; box-shadow: var(--shadow); }
.terminal-top { height: 46px; display: flex; justify-content: space-between; align-items: center; padding: 0 16px; color: var(--muted-2); border-bottom: 1px solid var(--line); font-size: 9px; font-weight: 850; letter-spacing: .16em; }
.brief-terminal ol { list-style: none; padding: 0; margin: 0; }
.brief-terminal li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 16px; border-bottom: 1px solid var(--line); }
.brief-terminal li:last-child { border-bottom: 0; }
.brief-terminal li > span { color: var(--blue-hi); font-size: 10px; font-weight: 900; }
.brief-terminal b { display: block; font-size: 14px; }
.brief-terminal small { display: block; color: var(--muted); margin-top: 3px; }

.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 24px 48px 24px 0; font-size: 18px; font-weight: 760; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 19px; color: var(--blue-hi); font-size: 27px; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); max-width: 900px; margin: -3px 0 24px; }

.contact { background: var(--bg-2); }
.contact-grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: 72px; }
.contact-copy > p:not(.eyebrow) { color: var(--muted); max-width: 540px; }
.contact-direct { margin-top: 36px; display: grid; justify-items: start; gap: 7px; }
.contact-direct > span { color: var(--muted-2); font-size: 10px; letter-spacing: .15em; }
.contact-direct a { font-size: clamp(20px, 2.4vw, 30px); font-weight: 850; color: var(--blue-hi); }
.copy-btn { border: 0; background: transparent; color: var(--muted); padding: 2px 0; cursor: pointer; font-size: 12px; border-bottom: 1px solid var(--line); }
.contact-note { margin-top: 52px; border-left: 2px solid var(--blue); padding-left: 14px; display: grid; gap: 3px; }
.contact-note span, .contact-note small { color: var(--muted-2); }
.contact-note small { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.contact-form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: grid; gap: 17px; box-shadow: var(--shadow); }
.form-head { display: flex; justify-content: space-between; color: var(--blue-hi); font-size: 10px; letter-spacing: .16em; font-weight: 850; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.form-head small { color: var(--muted-2); }
.contact-form label { display: grid; gap: 8px; font-size: 13px; color: var(--text); }
.contact-form input, .contact-form textarea { width: 100%; color: #fff; background: #071a34; border: 1px solid var(--line); border-radius: 9px; padding: 14px 15px; outline: none; resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #5f7894; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,119,255,.14); }
.form-note { color: var(--muted-2); font-size: 11px; margin: -2px 0 0; }

.footer { padding: 46px 0 96px; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1.2fr .7fr .8fr; gap: 40px; align-items: start; color: var(--muted-2); font-size: 12px; }
.footer-brand-wrap p { max-width: 360px; }
.footer-nav { display: grid; gap: 8px; }
.footer-nav a:hover, .footer-meta a:hover { color: var(--white); }
.footer-meta { text-align: right; }
.footer-meta p { margin: 8px 0 0; }
.mobile-cta { display: none; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 38px; }
  .hero-system { max-width: 760px; }
  .scenario-layout { grid-template-columns: minmax(0, 1fr); }
  .scenario-copy { position: static; }
  .architecture-map { grid-template-columns: minmax(0, 1fr); }
  .architecture-map > i { width: 100%; min-height: 34px; border: 0; border-block: 1px solid var(--line); font-size: 0; }
  .architecture-map > i::after { content: "↓"; font-size: 20px; }
  .architecture-map article + i + article { border-left: 0; }
  .deliver-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1180px) {
  .tech-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  .section { padding: 84px 0; }
  .hero { min-height: auto; padding-top: 62px; }
  .service-grid, .split, .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .sticky-copy { position: static; }
  .tech-console { grid-template-columns: minmax(0, 1fr); }
  .tech-menu { border-right: 0; border-bottom: 1px solid var(--line); grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tech-card-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-meta { text-align: left; }
  .nav { position: absolute; left: 0; right: 0; top: 78px; display: none; flex-direction: column; align-items: stretch; padding: 18px 22px 24px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .menu-btn { display: block; }
  .nav-cta { text-align: center; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 68px 0; }
  .header-inner { height: 70px; }
  .nav { top: 70px; }
  .brand-symbol { width: 38px; }
  .brand-text strong { font-size: 17px; }
  .brand-text small { font-size: 7px; }
  h1 { font-size: clamp(32px, 9.8vw, 52px); }
  h2 { font-size: clamp(30px, 9vw, 36px); }
  .process-grid h2 { font-size: clamp(30px, 8vw, 34px); }
  .hero-actions .btn { width: 100%; }
  .hero-facts { grid-template-columns: 1fr; }
  .hero-facts > div { padding: 12px 0; }
  .hero-facts > div + div { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .hero-system { min-height: 530px; }
  .system-stage { height: 414px; }
  .sys-node { width: 91px; min-height: 65px; padding: 8px; }
  .sys-node small { display: none; }
  .n1,.n2,.n3 { left: 10px; }.n4,.n5,.n6 { right: 10px; }
  .n1,.n4 { top: 34px; }.n2,.n5 { top: 174px; }.n3,.n6 { top: 316px; }
  .sys-core { width: 138px; height: 138px; box-shadow: inset 0 0 0 9px #04101f, inset 0 0 0 10px var(--line); }
  .sys-core span { font-size: 31px; }
  .sys-core small { width: 102px; font-size: 8px; }
  .system-readout { grid-template-columns: 56px 1fr; }
  .hero-ticker { margin-top: 36px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 24px; }
  .card-top { margin-bottom: 34px; }
  .scenario-panel { padding: 22px; }
  .scenario-head { grid-template-columns: 1fr; }
  .scenario-flow { grid-template-columns: 1fr; overflow: visible; }
  .scenario-flow i { transform: rotate(90deg); justify-self: center; }
  .tech-menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tech-screen { padding: 20px; }
  .tech-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tech-card { min-height: 145px; padding: 15px; }
  .project-env-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .env-grid { grid-template-columns: minmax(0, 1fr); }
  .env-card { min-height: 286px; padding: 18px; }
  .env-card-scene { height: 120px; }
  .env-card-bottom { font-size: 10px; letter-spacing: .07em; }
  .env-status { min-width: 145px; }
  .equipment-grid { grid-template-columns: minmax(0, 1fr); }
  .equipment-card { min-height: 160px; }
  .equipment-card h3 { margin-top: 18px; }
  .equipment-line { line-height: 2; }
  .deliver-grid { grid-template-columns: 1fr; }
  .deliver-card { min-height: 210px; }
  .timeline li { grid-template-columns: 48px 1fr; gap: 14px; }
  .contact-form { padding: 21px; }
  .footer { padding-bottom: 106px; }
  .footer-inner { grid-template-columns: 1fr; gap: 22px; }
  .mobile-cta { position: fixed; z-index: 90; left: 10px; right: 10px; bottom: 10px; display: grid; grid-template-columns: 1fr 1fr; background: #061426; border: 1px solid var(--line); padding: 6px; box-shadow: var(--shadow); }
  .mobile-cta a { min-height: 44px; display: grid; place-items: center; font-size: 12px; font-weight: 800; }
  .mobile-cta a:last-child { background: var(--blue); color: #fff; }
}

@media (max-width: 380px) {
  .sys-core { width: 112px; height: 112px; box-shadow: inset 0 0 0 7px #04101f, inset 0 0 0 8px var(--line); }
  .sys-core span { font-size: 27px; }
  .sys-core b { margin-top: 5px; font-size: 7px; }
  .sys-core small { width: 86px; margin-top: 5px; font-size: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  .env-status-init { display: none; }
  .env-status-ready { opacity: 1 !important; }
}