:root{
  --bg:#ffffff;--bg-warm:#f5f6f8;--ink:#0d1b2a;
  --navy:#0a1424;--navy-2:#101d33;--navy-line:#28374f;
  --blue:#2f6fed;--blue-dim:#1f52bb;--cyan:#12aebd;
  --danger:#d64545;--verified:#1f8a5f;
  --line:#e2e5eb;--line-strong:#cbd0dc;
  --muted:#5a6274;--faint:#8c93a3;
  --max:1280px;--ease:cubic-bezier(.2,.7,.2,1);
  --font-display:'Archivo',ui-sans-serif,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --font-body:'Inter',ui-sans-serif,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;overflow-x:clip;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
:root { --tn-header-height: 96px; }
a{color:inherit;text-decoration:none}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}
h1,h2{margin:0;font-family:var(--font-display);font-weight:800;text-transform:uppercase;letter-spacing:-.005em;line-height:1.06}
p{margin:0;color:var(--muted)}
code{font-family:var(--font-mono)}
.label{display:inline-flex;align-items:center;gap:9px;margin:0 0 18px;color:var(--blue);font:700 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase}
.label:before{width:20px;height:1px;background:currentColor;content:""}
.label.light{color:var(--cyan)}
.section{position:relative;padding:100px 0}
.section-head h2{font-size:clamp(32px,3.6vw,52px);margin-bottom:20px}
.section-head p{max-width:480px;font-size:15px}
.section-head.center{text-align:center;max-width:720px;margin-inline:auto}
.section-head.center h2{margin-bottom:0}
.light-text{color:#aab1c4!important}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:2px;font:700 11.5px/1 var(--font-mono);letter-spacing:.05em;text-transform:uppercase;transition:.2s var(--ease)}
.btn-primary{color:#fff;background:var(--blue)}
.btn-primary:hover{background:var(--blue-dim)}
.btn-ghost{color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-white{color:var(--blue);background:#fff}
.btn-white:hover{background:#eef1ff}
.btn-white-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.btn-white-ghost:hover{border-color:#fff}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}

/* reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.1s}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--tn-header-height);border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(10px)}
.nav-row{display:flex;align-items:center;height:100%;gap:28px}
.tn-logo{height:70px;width:auto;object-fit:contain;display:block}
@media(max-width:768px) {
  .tn-logo{height:48px}
  :root { --tn-header-height: 74px; }
}
.logo{font-family:var(--font-display);font-weight:800;font-size:15px;letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:12px}
.nav-links a{color:var(--muted);font:600 11.5px var(--font-mono);letter-spacing:.05em;text-transform:uppercase}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-icon svg{width:17px;height:17px;fill:var(--muted)}
.nav-icon:hover svg{fill:var(--ink)}
.nav-text-link{color:var(--muted);font:600 11.5px var(--font-mono);text-transform:uppercase}
.nav-text-link:hover{color:var(--ink)}
.nav-cta{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:2px;color:#fff;background:var(--ink);font:700 11px var(--font-mono);letter-spacing:.04em;text-transform:uppercase}
.nav-cta:hover{background:var(--blue)}
.nav-toggle{display:none;width:36px;height:36px;border:1px solid var(--line-strong);border-radius:50%;background:#fff}
.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{display:block;width:15px;height:1.4px;margin:auto;background:var(--ink);content:""}
.nav-toggle span:before{transform:translateY(-4.5px)}
.nav-toggle span:after{transform:translateY(3.1px)}

/* report index rail */
.rail{position:fixed;top:var(--tn-header-height);left:0;bottom:0;z-index:20;display:none;width:190px;padding:34px 0 34px 32px;border-right:1px solid var(--line);overflow-y:auto}
.rail a{display:flex;align-items:baseline;gap:10px;margin-bottom:15px;color:var(--faint);font:600 10.5px var(--font-mono);letter-spacing:.03em;text-transform:uppercase;transition:.2s ease}
.rail a span{color:var(--line-strong);font-weight:700}
.rail a:hover,.rail a.active{color:var(--ink)}
.rail a.active span{color:var(--blue)}
@media(min-width:1240px){
  .rail{display:block}
  .has-rail main,.has-rail footer{margin-left:190px}
}

/* hero */
.hero{padding:calc(var(--tn-header-height) + 66px) 0 84px;background:var(--bg-warm)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-copy h1{font-size:clamp(42px,5vw,72px);margin:16px 0 26px}
.hero-copy h1 span{color:var(--blue)}
.hero-lead{max-width:440px;margin-bottom:28px;font-size:16px;line-height:1.7}
.trust-line{margin-top:20px;color:var(--faint);font:9.5px var(--font-mono);letter-spacing:.08em;text-transform:uppercase}

/* exposure panel */
.exposure-panel{border:1px solid var(--line-strong);background:#fff}
.ep-head{display:flex;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);color:var(--faint);font:9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.ep-head strong{color:var(--ink)}
.ep-body{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center;padding:26px 22px}
.gauge svg{width:150px;height:150px}
.gauge-track{fill:none;stroke:var(--line);stroke-width:11}
.gauge-fill{fill:none;stroke:var(--blue);stroke-width:11;stroke-linecap:round;stroke-dasharray:427;stroke-dashoffset:427;transform:rotate(-90deg);transform-origin:80px 80px;transition:stroke-dashoffset 1.1s var(--ease)}
.gauge-fill.on{stroke-dashoffset:137}
.gauge-num{fill:var(--ink);font:800 22px var(--font-display)}
.gauge-sub{fill:var(--faint);font:8px var(--font-body);letter-spacing:0}
.sev-bars{display:grid;gap:14px}
.sev-row{display:grid;grid-template-columns:56px 1fr 30px;align-items:center;gap:12px}
.sev-row span{color:var(--muted);font:9.5px var(--font-mono);letter-spacing:.05em;text-transform:uppercase}
.sev-row strong{text-align:right;font:700 12px var(--font-mono);color:var(--ink)}
.sev-row i{position:relative;height:6px;background:var(--line);overflow:hidden}
.sev-row i:after{position:absolute;inset:0;width:0;background:var(--line-strong);content:"";transition:width 1s var(--ease)}
.sev-row i.on:after{width:var(--w)}
.sev-row i.c:after{background:var(--danger)}
.sev-row i.h:after{background:#e08a3c}
.sev-row i.m:after{background:var(--blue)}
.sev-row i.l:after{background:var(--verified)}
.ep-foot{padding:13px 18px;border-top:1px solid var(--line);color:var(--faint);font:9px var(--font-mono);letter-spacing:.05em;text-transform:uppercase}

/* ledger table */
.surface{background:var(--bg)}
.ledger{margin-top:40px;border-top:1px solid var(--line-strong)}
.ledger-row{display:grid;grid-template-columns:1fr 1.6fr 1fr;gap:20px;padding:16px 4px;border-bottom:1px solid var(--line);align-items:center}
.ledger-row.ledger-head{color:var(--faint);font:700 9.5px var(--font-mono);letter-spacing:.09em;text-transform:uppercase;border-bottom:1px solid var(--line-strong)}
.ledger-row>span:first-child{font-family:var(--font-display);font-size:14px;font-weight:700;text-transform:uppercase}
.ledger-row>span:nth-child(2){font-size:13.5px;color:var(--muted)}
.ledger-row .yes{color:var(--verified);font:700 12px var(--font-mono)}

/* investigation flow */
.investigate{background:var(--bg-warm)}
.invest-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px}
.flow-rule{position:relative}
.fr-track{position:relative;height:2px;margin-bottom:8px;background:var(--line-strong)}
.fr-track i{position:absolute;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--blue);left:calc(var(--i) * 25%);transform:translateX(-50%)}
.flow{display:grid;gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line-strong)}
.flow li{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.flow li span{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--blue)}
.flow li strong{display:block;margin-bottom:6px;font-family:var(--font-display);font-size:18px;text-transform:uppercase}
.flow li p{max-width:520px;font-size:14px}

/* statement */
.statement{position:relative;padding:120px 0;background:var(--ink);color:#fff;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 64px),repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 64px)}
.big-statement{font-size:clamp(34px,5.4vw,74px);color:#fff}
.big-statement span{color:var(--cyan)}

/* finding */
.finding{background:var(--bg)}
.finding-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start}
.finding-card{border:1px solid var(--line-strong)}
.fc-top{display:flex;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-strong);background:var(--bg-warm);font:700 10px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.sev-high{color:var(--danger)}
.finding-card dl{margin:0;padding:6px 20px}
.finding-card dl>div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
.finding-card dt{color:var(--faint);font:9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.finding-card dd{margin:0;font-size:13.5px}
.finding-card dd.verified{color:var(--verified);font-weight:700}
.fc-trace{display:grid;gap:0;padding:6px 20px 20px;background:var(--bg-warm)}
.fc-trace>div{padding:13px 0;border-bottom:1px solid var(--line)}
.fc-trace>div:last-child{border-bottom:0}
.fc-trace span{display:block;margin-bottom:6px;color:var(--faint);font:9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.fc-trace code{display:block;font-size:12px;color:var(--ink);word-break:break-all}

/* dark relationships */
.ops-dark{background:var(--navy);color:#fff}
.chain{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px;margin-top:48px}
.chain>div{padding:14px 22px;border:1px solid var(--navy-line);color:#dfe3ee;font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.03em;text-transform:uppercase}
.chain>div.danger{border-color:var(--danger);color:#ff9195}
.chain>i{color:var(--faint);font-size:16px}
.chain>i.danger{color:var(--danger)}
.chain-note{max-width:480px;margin:26px auto 0;text-align:center;color:#8b93ab;font-size:13px}

/* cli */
.cli{background:var(--navy);color:#fff}
.cli-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:center}
.install-block{display:grid;gap:12px;margin-top:26px}
.install-block div{padding:12px 14px;border:1px solid var(--navy-line);background:var(--navy-2)}
.install-block span{display:block;margin-bottom:6px;color:var(--cyan);font:9px var(--font-mono);letter-spacing:.1em}
.install-block code{color:#d7dbea;font-size:12px;word-break:break-all}
.terminal{border:1px solid var(--navy-line);background:#070b15}
.term-top{display:flex;align-items:center;gap:7px;height:44px;padding:0 16px;border-bottom:1px solid var(--navy-line)}
.term-top span{display:flex;gap:6px}
.term-top i{width:8px;height:8px;border-radius:50%;background:var(--navy-line)}
.term-top strong{margin-left:10px;color:#7d859c;font:10px var(--font-mono)}
.term-body{height:300px;margin:0;padding:20px 22px;overflow-y:auto;color:#b9c0d4;font:12.5px/1.85 var(--font-mono);white-space:pre-wrap;word-break:break-word}
.term-body .p{color:var(--cyan)}
.term-body .ok{color:var(--verified)}
.cursor{display:inline-block;width:7px;height:13px;margin-left:3px;vertical-align:-2px;background:var(--cyan);animation:blink 1s steps(2) infinite}

/* boundary */
.boundary{background:var(--bg-warm)}
.boundary-map{display:flex;align-items:stretch;gap:16px;margin-top:44px}
.b-col{flex:1;min-width:0;padding:20px;border:1px solid var(--line-strong);background:#fff}
.b-title{display:block;margin-bottom:14px;color:var(--muted);font:700 9.5px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.b-title.accent{color:var(--blue)}
.b-col ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.b-col li{font-size:13px;color:var(--ink)}
.boundary-box{flex:1.4;background:#fff;border-color:var(--blue)}
.b-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.b-grid span{padding:10px;border:1px solid var(--line);background:var(--bg-warm);font-size:11.5px;font-weight:600;color:var(--ink)}
.b-arrow{display:flex;align-items:center;color:var(--faint);font-size:18px}

/* repo flow */
.repo-flow{background:var(--bg)}
.flow-track{display:grid;grid-template-columns:1fr 24px 1fr 24px 1fr 24px 1fr;align-items:center;gap:6px;margin-top:40px;padding:20px 0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.flow-track>div{padding:18px 14px;border:1px solid var(--line-strong);text-align:center}
.flow-track>div.active{border-color:var(--blue);background:#eef2ff}
.flow-track>div span{font-family:var(--font-display);font-size:13px;font-weight:700;text-transform:uppercase}
.flow-track>i{text-align:center;color:var(--faint)}
.text-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding-bottom:5px;border-bottom:1px solid var(--line-strong);font-weight:700;font-size:13.5px}
.text-link:hover{border-color:var(--blue);color:var(--blue)}
.text-link b{font-size:16px}

/* capabilities matrix */
.capabilities{background:var(--bg-warm)}
.matrix{display:grid;grid-template-columns:1.4fr 1fr;gap:1px;margin-top:44px;background:var(--line-strong)}
.matrix-col{padding:26px;background:#fff}
.matrix-title{display:block;margin-bottom:18px;font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.matrix-col ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.matrix-col li{padding-left:26px;position:relative;font-size:13.5px;color:var(--ink)}
.yes-list li:before{position:absolute;left:0;content:"✓";color:var(--verified);font-weight:800}
.dev-list li{color:var(--faint)}
.dev-list li:before{position:absolute;left:0;content:"○";color:var(--faint)}

/* engineering */
.engineering{background:var(--bg)}
.eng-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.eng-grid .hero-cta{margin-top:26px}
.repo-card{border:1px solid var(--line-strong);background:var(--navy);color:#fff}
.repo-top{display:flex;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--navy-line);color:#8b93ab;font:9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.repo-top strong{color:var(--verified)}
.repo-tree{margin:0;padding:20px 18px;color:#c7cce0;font:12.5px/1.8 var(--font-mono)}
.repo-cmd{padding:14px 18px;border-top:1px solid var(--navy-line);background:#070b15}
.repo-cmd code{color:var(--cyan);font-size:12.5px}

/* toast */
.trustnode-toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 100;
    background: #0f172a; /* dark navy surface */
    color: #f8fafc;
    border: 1px solid #334155;
    padding: 12px 16px;
    font: 500 13px var(--font-inter), sans-serif;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 200ms ease;
    max-width: 90vw;
}

.trustnode-toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.trustnode-toast.is-error {
    background: #7f1d1d;
    border-color: #991b1b;
}

/* updates */
.updates{background:var(--bg-warm)}
.updates-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.updates-form{padding-top:20px;border-top:1px solid var(--line-strong)}
.updates-form label{display:block;margin-bottom:10px;color:var(--ink);font:700 9.5px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}
.field-row{display:flex;gap:10px}
.field-row input{min-width:0;flex:1;height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:2px;outline:0;background:#fff;font-size:13.5px;color:var(--ink)}
.field-row input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
.updates-form.is-error .field-row input{border-color:var(--danger)}
.updates-form.is-success .field-row input{border-color:var(--verified)}
.field-msg{min-height:20px;margin-top:10px;font-size:12px;color:var(--faint)}
.updates-form.is-error .field-msg{color:var(--danger)}
.updates-form.is-success .field-msg{color:var(--verified)}
.updates-form.is-loading .btn-primary{opacity:.7;pointer-events:none}

/* final cta */
.final-cta{background:var(--blue);color:#fff}
.final-grid{display:grid;grid-template-columns:1fr .8fr;gap:50px;align-items:end}
.final-grid h2{font-size:clamp(32px,4.2vw,54px);color:#fff}
.final-grid p{margin-bottom:22px;color:#dbe3ff;font-size:15px}

/* footer */
footer{padding:52px 0 26px;background:var(--bg);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr .8fr;gap:36px}
.footer-brand p{max-width:220px;margin-top:14px;font-size:12px}
.footer-grid h3{margin:2px 0 15px;color:var(--faint);font:700 9px var(--font-mono);letter-spacing:.12em;text-transform:uppercase}
.footer-grid>div:not(.footer-brand):not(.footer-bottom) a{display:block;width:max-content;margin-bottom:9px;color:var(--muted);font-size:12.5px}
.footer-grid>div:not(.footer-brand):not(.footer-bottom) a:hover{color:var(--blue)}
.footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;padding-top:20px;border-top:1px solid var(--line);color:var(--faint);font-size:11px}

@keyframes blink{50%{opacity:.3}}

/* scroll progress bar */
.scroll-progress{position:fixed;top:0;left:0;z-index:99;width:0%;height:2px;background:var(--blue);transition:width .08s linear}

/* headline line-mask reveal */
.line-mask{display:block;overflow:hidden}
.line-content{display:block;transform:translateY(110%);transition:transform .75s var(--ease)}
.lines-visible .line-content{transform:none}
.line-mask:nth-child(2) .line-content{transition-delay:.06s}
.line-mask:nth-child(3) .line-content{transition-delay:.12s}
.line-mask:nth-child(4) .line-content{transition-delay:.18s}

/* stagger children on reveal */
.ledger.visible .ledger-row,.matrix.visible li,.boundary-map.visible .b-grid span{opacity:1;transform:none}
.ledger .ledger-row,.matrix li,.b-grid span{opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.ledger .ledger-row:nth-child(1),.matrix li:nth-child(1),.b-grid span:nth-child(1){transition-delay:.02s}
.ledger .ledger-row:nth-child(2),.matrix li:nth-child(2),.b-grid span:nth-child(2){transition-delay:.08s}
.ledger .ledger-row:nth-child(3),.matrix li:nth-child(3),.b-grid span:nth-child(3){transition-delay:.14s}
.ledger .ledger-row:nth-child(4),.matrix li:nth-child(4),.b-grid span:nth-child(4){transition-delay:.2s}
.ledger .ledger-row:nth-child(5),.matrix li:nth-child(5),.b-grid span:nth-child(5){transition-delay:.26s}
.ledger .ledger-row:nth-child(6),.matrix li:nth-child(6),.b-grid span:nth-child(6){transition-delay:.32s}
.ledger .ledger-row:nth-child(7),.b-grid span:nth-child(7){transition-delay:.38s}
.ledger .ledger-row.ledger-head{transition:none;opacity:1;transform:none}

/* progress-driven flow / chain steps */
.fr-track{overflow:visible;--fill:0%}
.fr-track:after{position:absolute;top:0;left:0;height:2px;width:var(--fill);background:var(--blue);content:"";transition:width .15s linear}
.flow li{opacity:.35;transition:opacity .35s ease}
.flow li.active{opacity:1}
.flow li.active span{color:var(--blue)}
.flow li span{transition:color .3s ease}
.chain>div{opacity:.35;transition:opacity .35s ease,transform .3s ease}
.chain>div.active{opacity:1;transform:translateY(-2px)}
.chain>i{transition:opacity .35s ease}
.chain>i.active{opacity:1;color:var(--blue)}

/* nav adapts over dark sections */
.nav.on-dark{background:rgba(10,20,36,.86);border-bottom-color:var(--navy-line)}
.nav.on-dark .logo,.nav.on-dark .nav-links a,.nav.on-dark .nav-text-link{color:#fff}
.nav.on-dark .nav-links a:hover,.nav.on-dark .nav-text-link:hover{color:var(--cyan)}
.nav.on-dark .nav-icon svg{fill:#fff}
.nav.on-dark .nav-toggle{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
.nav.on-dark .nav-toggle span,.nav.on-dark .nav-toggle span:before,.nav.on-dark .nav-toggle span:after{background:#fff}

/* magnetic buttons */
.btn{position:relative}

/* tilt cards */
.tilt-card{transform-style:preserve-3d;will-change:transform;transition:transform .15s var(--ease)}

/* subtle hero parallax */
.exposure-panel{will-change:transform}

/* rail progress indicator */
.rail{position:fixed;--rail-fill:0px}
.rail:before{position:absolute;top:34px;bottom:34px;left:0;width:1px;background:var(--line);content:""}
.rail:after{position:absolute;top:34px;left:0;width:1px;height:var(--rail-fill);background:var(--blue);content:"";transition:height .1s linear}
.rail a{position:relative;padding-left:14px}


/* responsive */
@media(max-width:1100px){
  .wrap{width:min(var(--max),calc(100% - 44px))}
  .hero-grid,.invest-grid,.finding-grid,.cli-grid,.eng-grid,.updates-grid{gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .hero{padding-top:104px}
  .hero-grid,.invest-grid,.finding-grid,.cli-grid,.eng-grid,.updates-grid{grid-template-columns:1fr}
  .ep-body{grid-template-columns:1fr;justify-items:center;text-align:center}
  .boundary-map{flex-direction:column}
  .b-arrow{transform:rotate(90deg);justify-content:center;padding:4px 0}
  .flow-track{grid-template-columns:1fr;gap:8px}
  .flow-track>i{transform:rotate(90deg)}
  .matrix{grid-template-columns:1fr}
  .final-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .ledger-row{grid-template-columns:1fr}
  .chain{flex-direction:column}
  .chain>i{transform:rotate(90deg)}
}
@media(max-width:560px){
  .wrap{width:calc(100% - 32px)}
  .section{padding:68px 0}
  .hero-copy h1{font-size:clamp(36px,10.5vw,50px)}
  .big-statement{font-size:clamp(28px,9.5vw,44px)}
  .hero-cta{flex-direction:column;align-items:stretch}
  .field-row{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}