:root{
  --ink:#020b14;
  --panel:#061827;
  --panel-2:#0a2133;
  --line:rgba(111,213,232,.24);
  --line-strong:rgba(111,226,239,.55);
  --text:#f3fbff;
  --muted:#91a8b8;
  --cyan:#72e7ef;
  --green:#79e8b3;
  --max:1440px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body:before{content:"";position:fixed;z-index:-2;inset:0;background:#020b14 url('/images/arctic-aurora-verification-hero-v1.png') center top/cover no-repeat;opacity:.34}
body:after{content:"";position:fixed;z-index:-1;inset:0;background:rgba(2,11,20,.75);pointer-events:none}
a{color:inherit}
img{display:block;max-width:100%}
button,input{font:inherit}
.skip{position:fixed;z-index:20;top:10px;left:10px;padding:10px 14px;background:#fff;color:#00111e;transform:translateY(-160%)}
.skip:focus{transform:none}
.exp-shell{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.exp-header{position:sticky;z-index:15;top:0;border-bottom:1px solid rgba(111,213,232,.15);background:rgba(2,11,20,.94);backdrop-filter:blur(18px)}
.exp-header-inner{display:flex;min-height:92px;align-items:center;gap:42px}
.exp-brand img{width:190px;height:62px;object-fit:contain}
.exp-nav{display:flex;margin-left:auto;align-items:center;gap:34px}
.exp-nav a{color:#cfe1ea;text-decoration:none;font-size:13px;font-weight:750}
.exp-nav a:hover,.exp-nav a:focus-visible{color:var(--cyan)}
.exp-nav .outline{padding:13px 18px;border:1px solid var(--line-strong);border-radius:8px}
.exp-menu{display:none;margin-left:auto;padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text)}
.exp-mobile{display:none;padding:8px 24px 18px}
.exp-mobile a{padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none}
.eyebrow{margin:0 0 14px;color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.2em;text-transform:uppercase}
.display{margin:0;font-size:clamp(54px,6vw,96px);line-height:.93;letter-spacing:-.065em}
.ledger .display{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.055em}
.lead{max-width:680px;color:#bfd0d9;font-size:18px;line-height:1.68}
.button{display:inline-flex;min-height:54px;padding:0 22px;align-items:center;justify-content:center;gap:14px;border:1px solid var(--line-strong);border-radius:8px;background:var(--panel);color:var(--text);text-decoration:none;font-weight:850}
.button.primary{border-color:var(--cyan);background:var(--cyan);color:#00131e;box-shadow:0 0 32px rgba(78,215,228,.25)}
.button:hover,.button:focus-visible{transform:translateY(-1px)}
.hero-actions{display:flex;gap:14px;margin-top:30px}
.panel{border:1px solid var(--line);border-radius:15px;background:rgba(4,22,35,.92);box-shadow:0 22px 70px rgba(0,0,0,.28)}
.section{padding:90px 0}
.section-title{max-width:820px;margin-bottom:38px}
.section-title h2{margin:0 0 12px;font-size:clamp(34px,4vw,58px);line-height:1.02;letter-spacing:-.05em}
.section-title p:not(.eyebrow){margin:0;color:var(--muted);font-size:16px;line-height:1.65}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.proof-card{padding:24px}
.proof-card>img{width:34px;height:34px;margin-bottom:22px;filter:brightness(0) saturate(100%) invert(91%) sepia(35%) saturate(1167%) hue-rotate(140deg)}
.proof-card h3{margin:0 0 10px;font-size:20px}
.proof-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.status{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.1em}
.status i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 14px rgba(121,232,179,.65)}
.exp-footer{margin-top:70px;border-top:1px solid var(--line);background:#020a12}
.exp-footer-inner{display:flex;min-height:110px;align-items:center;gap:26px;color:#7892a2;font-size:11px}
.exp-footer img{width:150px}
.exp-footer nav{display:flex;margin-left:auto;gap:24px}
.exp-footer a{text-decoration:none}

/* Evidence Atlas */
.atlas-hero{padding:84px 0 64px}
.atlas-hero-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;align-items:center}
.atlas-copy{padding-left:20px}
.atlas-copy .lead{max-width:560px}
.evidence-console{overflow:hidden}
.console-head{display:flex;padding:22px 24px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.console-head h2{margin:0 0 5px;font-size:22px}.console-head p{margin:0;color:var(--muted);font-size:12px}
.record-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:16px 18px;border-bottom:1px solid var(--line)}
.record-picker button{display:flex;padding:15px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:8px;background:#061726;color:#a9bfca;cursor:pointer;font-weight:800}
.record-picker button[aria-pressed=true]{border-color:var(--cyan);background:#0b3041;color:var(--text);box-shadow:0 0 24px rgba(77,210,224,.18)}
.record-picker small{font-size:9px;color:#7f9ba9}
.atlas-view{display:grid;grid-template-columns:185px 1fr;min-height:560px}
.atlas-tabs{padding:18px;border-right:1px solid var(--line)}
.atlas-tabs strong{display:block;margin:2px 10px 16px;color:#7894a4;font-size:10px;letter-spacing:.16em;text-transform:uppercase}
.atlas-tabs a{display:block;padding:15px 11px;border-bottom:1px solid rgba(111,213,232,.13);color:#a9bfca;text-decoration:none;font-size:12px}
.atlas-tabs a:first-of-type{border:1px solid var(--line-strong);border-radius:8px;background:#0b3041;color:var(--cyan)}
.coa-frame{display:grid;min-height:560px;padding:20px;place-items:center;background:#d7e2e8}
.coa-frame img{max-height:520px;box-shadow:0 12px 34px rgba(0,0,0,.17)}
.library-tools{display:flex;margin-bottom:18px;gap:12px}
.library-tools input{width:100%;min-height:50px;padding:0 16px;border:1px solid var(--line);border-radius:8px;background:#061827;color:var(--text)}
.library-table{overflow:hidden}
.library-row{display:grid;grid-template-columns:1.1fr 1fr 1.1fr .8fr .75fr;padding:18px 20px;align-items:center;border-bottom:1px solid var(--line);gap:16px;font-size:12px}
.library-row.head{color:#7893a3;font-size:9px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.library-row a{color:var(--cyan);text-decoration:none;font-weight:800}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.path-step{padding:26px;text-align:center}
.path-step img{width:38px;height:38px;margin:0 auto 18px;filter:brightness(0) saturate(100%) invert(91%) sepia(35%) saturate(1167%) hue-rotate(140deg)}
.path-step span{display:block;margin-bottom:10px;color:var(--cyan);font-size:10px;font-weight:900}.path-step h3{margin:0 0 9px}.path-step p{margin:0;color:var(--muted);font-size:12px;line-height:1.55}
.document-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.document-grid .proof-card{min-height:230px}

/* Traceability */
.trace-hero{padding:80px 0 55px}
.trace-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.trace-headline strong{display:block;color:var(--cyan)}
.trace-stage{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}
.trace-stage article{padding:17px 12px;text-align:center}
.trace-stage img{width:28px;height:28px;margin:0 auto 10px;filter:brightness(0) saturate(100%) invert(91%) sepia(35%) saturate(1167%) hue-rotate(140deg)}
.trace-stage small{display:block;color:#9bb1bd;font-size:9px;line-height:1.35}
.trace-proof{display:grid;grid-template-columns:1fr 190px;gap:20px;padding:24px}
.trace-proof img{width:100%;max-height:250px;object-fit:contain;background:#dbe4e8}
.trace-proof dl{margin:18px 0 0}.trace-proof dl div{display:flex;padding:9px 0;justify-content:space-between;border-bottom:1px solid var(--line);font-size:11px}.trace-proof dt{color:var(--muted)}.trace-proof dd{margin:0}
.operations-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.operation{padding:28px}.operation>span{display:grid;width:34px;height:34px;margin-bottom:24px;place-items:center;border:1px solid var(--cyan);border-radius:50%;color:var(--cyan);font-weight:900}.operation img{width:34px;height:34px;margin-bottom:16px;filter:brightness(0) saturate(100%) invert(91%) sepia(35%) saturate(1167%) hue-rotate(140deg)}.operation h3{margin:0 0 12px}.operation p,.operation li{color:var(--muted);font-size:12px;line-height:1.6}.operation ul{padding-left:17px}
.shipment-rail{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;padding:28px}
.shipment-rail article{padding:18px 12px;border:1px solid var(--line);border-radius:9px;text-align:center}.shipment-rail img{width:28px;height:28px;margin:0 auto 12px;filter:brightness(0) saturate(100%) invert(91%) sepia(35%) saturate(1167%) hue-rotate(140deg)}.shipment-rail strong{display:block;font-size:11px}.shipment-rail small{display:block;margin-top:6px;color:var(--muted);font-size:9px}
.safeguards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.safeguard{padding:30px}.safeguard h3{font-size:26px}.safeguard ul{display:grid;gap:14px;padding:0;list-style:none}.safeguard li{padding:14px;border:1px solid var(--line);border-radius:8px;color:#b8ccd6;font-size:13px}
.records{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.record-card{padding:22px}.record-card header{display:flex;align-items:center;justify-content:space-between}.record-card h3{font-size:18px}.record-card img{width:100%;height:250px;margin:18px 0;object-fit:contain;background:#dbe4e8}.record-card a{color:var(--cyan);font-weight:800;text-decoration:none}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-grid details{padding:18px 20px}.faq-grid summary{cursor:pointer;font-weight:800}.faq-grid p{color:var(--muted);font-size:13px;line-height:1.6}

/* Ledger */
.ledger-hero{padding:72px 0 42px}
.ledger-hero-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:42px;align-items:center}
.ledger-feature{display:grid;grid-template-columns:.8fr 1.1fr .55fr;gap:20px;padding:22px}
.ledger-feature h2{font-family:Georgia,"Times New Roman",serif;font-size:30px}.ledger-feature p{color:var(--muted);font-size:12px;line-height:1.6}.ledger-feature dl{margin:20px 0 0}.ledger-feature dl div{display:flex;padding:9px 0;justify-content:space-between;border-bottom:1px solid var(--line);font-size:10px}.ledger-feature dt{color:var(--muted)}.ledger-feature dd{margin:0}.ledger-feature>img{height:400px;width:100%;object-fit:contain;background:#dde5e8}.change-log{padding-left:18px;border-left:1px solid var(--line)}.change-log h3{color:var(--cyan);font-size:10px;letter-spacing:.15em;text-transform:uppercase}.change-log article{padding:14px 0;border-bottom:1px solid var(--line)}.change-log time{color:var(--muted);font-size:9px}.change-log strong{display:block;margin-top:6px;font-size:11px}
.ledger-panels{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:18px}.latest-grid article{padding:18px;border:1px solid var(--line);border-radius:9px}.latest-grid h3{font-family:Georgia,"Times New Roman",serif;font-size:18px}.latest-grid dl{margin:15px 0}.latest-grid dl div{display:flex;padding:6px 0;justify-content:space-between;font-size:10px}.latest-grid dt{color:var(--muted)}.latest-grid dd{margin:0}.latest-grid a{color:var(--cyan);font-size:11px;font-weight:850;text-decoration:none}
.timeline{padding:28px}.timeline h2{font-family:Georgia,"Times New Roman",serif}.timeline article{display:grid;grid-template-columns:90px 1fr;padding:16px 0;border-bottom:1px solid var(--line)}.timeline time{color:var(--cyan);font-size:10px}.timeline strong{font-size:12px}.timeline small{display:block;margin-top:5px;color:var(--muted)}
.ledger-docs{display:grid;grid-template-columns:repeat(5,1fr);gap:0;overflow:hidden}.ledger-docs article{padding:28px;border-right:1px solid var(--line)}.ledger-docs article:last-child{border:0}.ledger-docs img{width:30px;height:30px;margin-bottom:18px;filter:brightness(0) saturate(100%) invert(91%) sepia(35%) saturate(1167%) hue-rotate(140deg)}.ledger-docs h3{font-family:Georgia,"Times New Roman",serif;font-size:20px}.ledger-docs p{color:var(--muted);font-size:12px;line-height:1.55}
.ledger-trust{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:18px}.ledger-trust article{padding:26px}.ledger-trust h3{font-family:Georgia,"Times New Roman",serif;font-size:25px}.ledger-trust p,.ledger-trust li{color:var(--muted);font-size:12px;line-height:1.6}.ledger-trust ul{padding-left:17px}
.final-band{display:grid;grid-template-columns:1fr auto;padding:32px 38px;align-items:center;gap:24px}.final-band h2{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(30px,4vw,54px);font-weight:500}.final-band p{margin:7px 0 0;color:var(--muted)}

@media(max-width:1050px){
  .atlas-hero-grid,.trace-hero-grid,.ledger-hero-grid{grid-template-columns:1fr}
  .atlas-copy{padding-left:0}.document-grid,.ledger-docs{grid-template-columns:repeat(2,1fr)}.document-grid article:last-child,.ledger-docs article:last-child{grid-column:1/-1}
  .operations-grid{grid-template-columns:1fr 1fr}.shipment-rail{grid-template-columns:repeat(3,1fr)}
  .ledger-feature{grid-template-columns:1fr 1fr}.change-log{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}
  .ledger-panels{grid-template-columns:1fr}.ledger-trust{grid-template-columns:1fr 1fr}.ledger-trust article:last-child{grid-column:1/-1}
}
@media(max-width:760px){
  .exp-shell{width:min(calc(100% - 28px),var(--max))}.exp-header-inner{min-height:76px}.exp-brand img{width:158px;height:52px}.exp-nav{display:none}.exp-menu{display:block}.exp-mobile.open{display:grid}
  .display{font-size:52px}.lead{font-size:16px}.hero-actions{display:grid}.button{width:100%}.section{padding:62px 0}
  .atlas-hero,.trace-hero,.ledger-hero{padding-top:48px}.atlas-view{grid-template-columns:1fr}.atlas-tabs{display:none}.coa-frame{min-height:430px}.record-picker{display:flex;overflow-x:auto}.record-picker button{min-width:155px}
  .library-row{grid-template-columns:1fr .8fr .8fr}.library-row span:nth-child(3),.library-row span:nth-child(4){display:none}.path-grid,.card-grid,.records{grid-template-columns:1fr}.document-grid,.ledger-docs{grid-template-columns:1fr}.document-grid article:last-child,.ledger-docs article:last-child{grid-column:auto}
  .trace-stage{grid-template-columns:1fr 1fr}.trace-proof{grid-template-columns:1fr}.trace-proof img{max-height:360px}.operations-grid{grid-template-columns:1fr}.shipment-rail{grid-template-columns:1fr 1fr}.safeguards,.faq-grid{grid-template-columns:1fr}
  .ledger-feature{grid-template-columns:1fr}.ledger-feature>img{height:420px}.change-log{grid-column:auto}.latest-grid{grid-template-columns:1fr}.ledger-trust{grid-template-columns:1fr}.ledger-trust article:last-child{grid-column:auto}.final-band{grid-template-columns:1fr;padding:26px}
  .exp-footer-inner{padding:24px 0;align-items:flex-start;flex-wrap:wrap}.exp-footer nav{width:100%;margin-left:0}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}