:root{
  --navy:#061521;
  --navy-2:#0b2231;
  --panel:#102b3b;
  --cyan:#43d7d2;
  --cyan-soft:#bcefee;
  --white:#f7fbfc;
  --paper:#eaf1f3;
  --steel:#91a7b4;
  --ink:#10232e;
  --orange:#ff9d3d;
  --line:#284757;
  --hard-shadow:8px 8px 0 #020b11;
  --display:"Bahnschrift SemiCondensed","Microsoft YaHei UI",sans-serif;
  --body:"Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --utility:Consolas,"Cascadia Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;color:var(--ink);background:var(--paper);font-family:var(--body);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.shell{width:min(1220px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:rgba(6,21,33,.96);color:var(--white)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.brand img{display:block;width:34px;height:34px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700;white-space:nowrap}
.nav-links a{position:relative;padding:24px 0;color:#cbd9df}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--cyan)}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;right:0;bottom:16px;left:0;height:2px;background:var(--cyan)}
.cta{display:inline-flex;min-width:132px;min-height:46px;align-items:center;justify-content:center;padding:0 22px;border:1px solid var(--cyan);font-weight:900;line-height:1;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;transition:transform .18s ease,background .18s ease}
.site-header .cta{background:transparent;color:var(--cyan)}
.site-header .cta:hover{background:var(--cyan);color:var(--navy)}
.cta-primary{border-color:var(--cyan);background:var(--cyan);color:var(--navy);box-shadow:5px 5px 0 rgba(0,0,0,.38)}
.cta-primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(0,0,0,.38)}
.text-link{display:inline-flex;align-items:center;gap:10px;margin-left:20px;border-bottom:1px solid currentColor;color:var(--cyan);font-weight:800}
.text-link span{font-family:var(--utility)}
a:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
.eyebrow{margin:0 0 14px;color:var(--cyan);font:700 12px/1.4 var(--utility);letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3{font-family:var(--display);font-weight:800}
h1{margin:0;color:var(--white);font-size:clamp(48px,5.5vw,76px);line-height:1.02;letter-spacing:-.04em}
h2{margin:0;font-size:clamp(34px,4.2vw,58px);line-height:1.08;letter-spacing:-.035em}
h3{line-height:1.2}

.hero{position:relative;overflow:hidden;padding:20px 0 68px;background:var(--navy);color:var(--white)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent 0 49.9%,rgba(67,215,210,.08) 50%,transparent 50.1%),linear-gradient(rgba(145,167,180,.07) 1px,transparent 1px);background-size:100% 100%,100% 52px}
.hero-audit{position:relative;display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);color:var(--steel);font:700 10px/1 var(--utility);letter-spacing:.12em}
.hero-desk{position:relative;display:grid;grid-template-columns:minmax(0,.95fr) minmax(300px,.8fr) minmax(260px,.62fr);align-items:center;gap:clamp(22px,3.2vw,48px);min-height:690px}
.hero-copy{position:relative;z-index:2;padding:50px 0}
.hero-copy::before{content:"BRIEF / 053";display:block;width:max-content;margin-bottom:46px;padding:7px 10px;border-left:3px solid var(--orange);background:#0d2a39;color:var(--steel);font:700 10px var(--utility);letter-spacing:.12em}
.hero-lead{max-width:590px;margin:24px 0 30px;color:#c2d2d9;font-size:17px}
.scope-note{display:grid;grid-template-columns:1fr 1fr;margin-top:42px;border-top:1px solid var(--line);border-left:1px solid var(--line);font:700 11px var(--utility)}
.scope-note>*{padding:10px 12px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.scope-note strong{grid-column:1/-1;color:var(--orange);letter-spacing:.1em}
.scope-note span{color:var(--steel)}
.client-bay{position:relative;align-self:center;min-width:0}
.shield-outline{position:absolute;inset:3% -7% 2%;clip-path:polygon(50% 0,94% 16%,88% 71%,50% 100%,12% 71%,6% 16%);background:var(--cyan);opacity:.34}
.shield-outline::after{content:"";position:absolute;inset:3px;clip-path:inherit;background:var(--navy)}
.panel-label{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;padding:8px 10px;border:1px solid var(--line);background:var(--navy-2);font:700 10px var(--utility);letter-spacing:.08em}
.panel-label span{color:var(--white)}
.panel-label em{color:var(--cyan);font-style:normal}
.client-media{position:relative;z-index:1;align-self:center;height:auto;margin:0;padding:0;overflow:visible;transform:none}
.client-media img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none}
.figure-caption{position:relative;z-index:2;margin:10px 0 0;color:var(--steel);font:400 10px var(--utility);text-align:center}
.check-queue{align-self:center;border:1px solid var(--line);background:#081b27;box-shadow:var(--hard-shadow)}
.check-queue .panel-label{margin:0;border-width:0 0 1px}
.check-queue ol{list-style:none;margin:0;padding:0}
.check-queue li{display:grid;grid-template-columns:36px 1fr auto;gap:12px;padding:18px 14px;border-bottom:1px solid var(--line);align-items:start}
.check-queue li>b{color:var(--cyan);font:700 12px var(--utility)}
.check-queue li strong{display:block;margin-bottom:4px;font-size:14px}
.check-queue li p{margin:0;color:var(--steel);font-size:12px;line-height:1.55}
.check-queue li>span{align-self:start;padding:3px 5px;border:1px solid #496575;color:#c8d7dc;font:700 9px var(--utility)}
.queue-stamp{display:flex;align-items:center;gap:12px;margin:18px;border:1px solid var(--orange);padding:12px;color:var(--orange);transform:rotate(-1deg)}
.queue-stamp i{display:grid;width:34px;height:34px;place-items:center;border:1px solid currentColor;border-radius:50%;font-style:normal}
.queue-stamp span{font-family:var(--display);font-weight:800;line-height:1.1}
.queue-stamp small{color:var(--steel);font:400 9px var(--utility)}

.control-matrix{padding:clamp(78px,10vw,132px) 0;background:var(--paper)}
.section-head{display:grid;grid-template-columns:1.15fr .7fr;gap:60px;align-items:end;margin-bottom:38px;padding-bottom:24px;border-bottom:4px solid var(--ink)}
.section-head .eyebrow{color:#087f82}
.section-head>p{margin:0;color:#4b6470}
.matrix-board{border-top:1px solid #9cb0b9;border-left:1px solid #9cb0b9}
.matrix-row{display:grid;grid-template-columns:.65fr 1.45fr .75fr .65fr}
.matrix-row>*{margin:0;padding:18px 20px;border-right:1px solid #9cb0b9;border-bottom:1px solid #9cb0b9}
.matrix-header{background:var(--ink);color:var(--white);font:700 11px var(--utility);letter-spacing:.08em}
.matrix-row strong{font-family:var(--display);font-size:18px}
.matrix-row span{color:#425e6b}
.matrix-row em{align-self:center;width:max-content;padding:6px 9px;border:1px solid #087f82;color:#087f82;font:700 10px var(--utility);font-style:normal}
.matrix-row:not(.matrix-header):hover{background:#fff}
.demo-note{margin:14px 0 0;color:#647c87;font:400 10px var(--utility);text-align:right}

.device-flow{padding:clamp(82px,11vw,150px) 0;background:var(--navy-2);color:var(--white)}
.device-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(60px,9vw,132px)}
.vertical-title{position:sticky;top:120px;align-self:start}
.vertical-title h2{max-width:10ch}
.vertical-title>p:not(.eyebrow){max-width:42ch;color:#afc2ca}
.vertical-title .text-link{margin:18px 0 0}
.light{color:var(--cyan-soft)}
.authorization-rail{position:relative;list-style:none;margin:0;padding:0}
.authorization-rail::before{content:"";position:absolute;top:0;bottom:0;left:29px;width:1px;background:var(--cyan)}
.authorization-rail li{position:relative;display:grid;grid-template-columns:60px 1fr auto;gap:22px;align-items:center;min-height:150px;padding:22px 0;border-bottom:1px solid var(--line)}
.rail-index{z-index:1;display:grid;width:58px;height:58px;place-items:center;border:1px solid var(--cyan);background:var(--navy-2);color:var(--cyan);font:700 16px var(--utility);clip-path:polygon(50% 0,94% 20%,85% 74%,50% 100%,15% 74%,6% 20%)}
.authorization-rail small{color:var(--steel);font:700 9px var(--utility);letter-spacing:.1em}
.authorization-rail h3{margin:5px 0;font-size:25px}
.authorization-rail p{margin:0;color:#a9bec7}
.rail-action{padding:7px 10px;border:1px solid #4d6875;color:var(--cyan-soft);font:700 10px var(--utility);white-space:nowrap}

.route-ledger{padding:clamp(78px,10vw,132px) 0;background:#dfe8eb}
.ledger-shell{border:1px solid #829aa5;background:var(--white);box-shadow:12px 12px 0 #b6c7ce}
.ledger-top{display:grid;grid-template-columns:1.1fr .8fr;gap:50px;padding:clamp(28px,5vw,62px);border-bottom:1px solid #829aa5}
.ledger-top .eyebrow{color:#087f82}
.ledger-top>p{margin:0;color:#506a76}
.ledger-lines{display:grid;grid-template-columns:repeat(3,1fr)}
.ledger-lines article{position:relative;min-height:290px;padding:42px 34px 34px;border-right:1px solid #829aa5}
.ledger-lines article:last-child{border-right:0}
.line-mark{display:block;width:44px;height:7px;margin-bottom:42px;background:var(--cyan);box-shadow:14px 0 0 #8aa1ac,28px 0 0 #c2cfd4}
.line-mark.warning{background:var(--orange)}
.ledger-lines h3{margin:0 0 12px;font-size:25px}
.ledger-lines p{margin:0;color:#4f6874}
.ledger-lines small{position:absolute;right:18px;bottom:16px;color:#6d838d;font:400 9px var(--utility)}

.response-list{padding:clamp(82px,11vw,150px) 0;background:var(--white)}
.response-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(60px,9vw,132px);align-items:start}
.response-intro{padding-top:28px}
.response-intro .eyebrow{color:#087f82}
.response-intro h2{max-width:11ch}
.response-intro>p:not(.eyebrow){color:#526c77}
.response-intro .text-link{margin:20px 0 0;color:#087f82}
.response-sheet{border:1px solid #78919c;box-shadow:8px 8px 0 #ccd9de}
.sheet-head,.sheet-foot{display:flex;justify-content:space-between;gap:20px;padding:12px 18px;background:var(--ink);color:var(--white);font:700 10px var(--utility);letter-spacing:.08em}
.response-sheet ol{list-style:none;margin:0;padding:0}
.response-sheet li{display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:start;padding:22px 18px;border-bottom:1px solid #a5b7bf}
.response-sheet li>b{color:#087f82;font:700 13px var(--utility)}
.response-sheet strong{font-family:var(--display);font-size:19px}
.response-sheet p{margin:5px 0 0;color:#526c77;font-size:14px}
.response-sheet li>span{padding:5px 8px;border-left:3px solid var(--cyan);background:#e1edee;color:#31505e;font:700 10px var(--utility)}
.sheet-foot{display:block;background:#e3ecef;color:#526c77;font-weight:400;letter-spacing:0}

.final-call{padding:36px 0 90px;background:var(--white)}
.final-bar{display:grid;grid-template-columns:84px 1fr auto;gap:28px;align-items:center;padding:34px;border:1px solid var(--line);background:var(--navy);color:var(--white);box-shadow:var(--hard-shadow)}
.final-bar .eyebrow{margin-bottom:6px}
.final-bar h2{font-size:clamp(28px,3vw,42px)}
.final-bar p:last-child{margin:8px 0 0;color:var(--steel)}
.mini-shield{width:68px;height:78px;clip-path:polygon(50% 0,94% 18%,86% 72%,50% 100%,14% 72%,6% 18%);background:var(--cyan);position:relative}
.mini-shield::after{content:"";position:absolute;inset:4px;clip-path:inherit;background:var(--navy)}

.site-footer{padding:58px 0 28px;border-top:1px solid var(--line);background:#041019;color:var(--white)}
.footer-grid{display:grid;grid-template-columns:1.35fr .65fr .65fr;gap:42px}
.footer-grid h2,.footer-grid h3{margin-top:0}
.footer-grid p,.footer-grid a{color:var(--steel)}
.footer-grid p{max-width:48ch}
.footer-grid a{display:block;width:max-content;margin:8px 0}
.footer-grid a:hover{color:var(--cyan)}
.copyright{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);color:#6f8792;font:400 11px var(--utility)}

@media(max-width:1040px){
  .hero-desk{grid-template-columns:1fr 1fr;min-height:auto;padding:46px 0 68px}
  .hero-copy{grid-column:1/-1;padding:10px 0}.hero-copy::before{margin-bottom:30px}.hero-copy h1{max-width:13ch}
  .client-bay{max-width:520px}.check-queue{align-self:stretch}
  .device-layout,.response-layout{grid-template-columns:.85fr 1.15fr;gap:54px}
}
@media(max-width:760px){
  html,body{max-width:100%;overflow-x:clip}
  .shell{width:min(100% - 24px,1220px)}
  .nav{padding:12px 0;flex-wrap:wrap}.nav>.cta{display:none}.nav-links{order:3;width:100%;overflow-x:auto;gap:20px;border-top:1px solid var(--line)}.nav-links a{padding:12px 0}.nav-links a[aria-current="page"]::after{bottom:5px}
  .hero-audit span:last-child{display:none}.hero-desk,.section-head,.device-layout,.ledger-top,.response-layout,.final-bar{grid-template-columns:1fr}
  .hero-desk{gap:46px}.client-bay{width:min(100%,520px);justify-self:center}.check-queue{width:100%}
  h1{font-size:clamp(42px,13vw,58px)}.hero-copy h1 br{display:none}
  .hero-copy .cta-primary{width:100%}.hero-copy .text-link{justify-content:center;width:100%;margin:18px 0 0;border:0}
  .scope-note{grid-template-columns:1fr 1fr}
  .section-head{gap:22px}.matrix-board{overflow-x:auto}.matrix-row{min-width:720px}
  .vertical-title{position:static}.vertical-title h2,.response-intro h2{max-width:14ch}
  .authorization-rail li{grid-template-columns:60px 1fr}.rail-action{grid-column:2;width:max-content}
  .ledger-lines{grid-template-columns:1fr}.ledger-lines article{min-height:0;border-right:0;border-bottom:1px solid #829aa5}.ledger-lines article:last-child{border-bottom:0}
  .final-bar{text-align:center}.mini-shield{justify-self:center}.final-bar .cta{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:480px){
  .scope-note{grid-template-columns:1fr}.scope-note strong{grid-column:auto}
  .check-queue li,.response-sheet li{grid-template-columns:36px 1fr}.check-queue li>span,.response-sheet li>span{grid-column:2;width:max-content}
  .authorization-rail li{gap:14px}.rail-index{width:52px;height:58px}.authorization-rail::before{left:25px}
  .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.cta{transition:none}
}

/* Required final image-safety overrides */
.hero-desk{align-items:center}
.client-bay{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none}
.client-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none}
.client-media img{display:block;width:100%;height:auto;min-width:0;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none}