/* Layout concept: a vault — sections are numbered safe-deposit compartments, rounded steel panels with brass rivets; a combination dial unlocks the hero; guilloché rosettes (banknote security printing) turn slowly behind everything. Bottle green + brass. */
:root{
  --bg:#0A1A14; --paper:#0F241C; --ink:#E8F0EA; --ink-2:#B3C4B9; --muted:#7F968A; --rule:#24402F; --rule-2:#173127;
  --accent:#D9A441; --accent-ink:#1A1204; --accent-soft:#2A2715; --glow:#F2CF7A; --ok:#5BD69A; --warn:#FF8F6B;
  --inv-bg:#D9A441; --inv-ink:#1A1204; --inv-muted:#4E3A0E; --inv-rule:rgba(26,18,4,.22);
  --foot-bg:#06110D; --foot-ink:#E8F0EA; --foot-muted:#7F968A; --foot-rule:#1A2D24;
  --g-line:217,164,65; --net-node:217,164,65; --rivet:#3A5A48;
  --f-wide:"Saira Stencil One","Noto Sans SC",system-ui,sans-serif;
  --f-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --f-mono:"DM Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1160px; --head-h:64px; --r:22px; color-scheme:dark;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#E6EDE8; --paper:#F7FAF8; --ink:#0B1F18; --ink-2:#2E4A3D; --muted:#5C7468; --rule:#BCCEC2; --rule-2:#D6E2DA;
  --accent:#9C6A0E; --accent-ink:#FFF8E8; --accent-soft:#F1E4C4; --glow:#C99325; --ok:#0B7F57; --warn:#C2410C;
  --inv-bg:#0F3D2E; --inv-ink:#F4E7C6; --inv-muted:#B6CBBD; --inv-rule:rgba(244,231,198,.25);
  --g-line:15,61,46; --net-node:156,106,14; --rivet:#A9BDB0; color-scheme:light;
}}
:root[data-theme="light"]{
  --bg:#E6EDE8; --paper:#F7FAF8; --ink:#0B1F18; --ink-2:#2E4A3D; --muted:#5C7468; --rule:#BCCEC2; --rule-2:#D6E2DA;
  --accent:#9C6A0E; --accent-ink:#FFF8E8; --accent-soft:#F1E4C4; --glow:#C99325; --ok:#0B7F57; --warn:#C2410C;
  --inv-bg:#0F3D2E; --inv-ink:#F4E7C6; --inv-muted:#B6CBBD; --inv-rule:rgba(244,231,198,.25);
  --g-line:15,61,46; --net-node:156,106,14; --rivet:#A9BDB0; color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 12px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.2;text-wrap:balance;font-weight:900;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.mono{font-family:var(--f-mono)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}
.wide{font-family:var(--f-wide);font-stretch:125%;font-weight:900;letter-spacing:-.02em}

/* buttons: solid ones carry a key-cut notch */
.btn{--n:12px;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 26px;font:600 15px/1 var(--f-body);text-decoration:none;cursor:pointer;border:0;white-space:nowrap;transition:background .2s,color .2s,transform .2s}
.btn svg{width:18px;height:18px;flex:none}
.btn-key{background:var(--accent);color:var(--accent-ink);clip-path:polygon(0 0,calc(100% - var(--n)) 0,100% var(--n),100% 100%,0 100%)}
.btn-key:hover{background:var(--ink);color:var(--bg)}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--bg)}
.inv .btn-line{color:var(--inv-ink);box-shadow:inset 0 0 0 1.5px var(--inv-ink)}
.inv .btn-line:hover{background:var(--inv-ink);color:var(--inv-bg)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;--n:9px}
.arrow{font:600 15px var(--f-body);color:var(--ink);text-decoration:none;display:inline-flex;gap:8px;align-items:center;border-bottom:1.5px solid var(--accent);padding-bottom:3px}
.arrow:hover{color:var(--accent)}

/* header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:60;background:var(--bg);border-bottom:1px solid var(--ink)}
.head-row{display:flex;align-items:center;gap:28px;height:var(--head-h)}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo svg{width:46px;height:24px;flex:none}
.logo b{font-family:var(--f-wide);font-stretch:125%;font-weight:900;font-size:26px;line-height:1;letter-spacing:-.04em}
.logo small{font:500 11px/1 var(--f-mono);color:var(--muted);letter-spacing:.06em;border-left:1px solid var(--rule);padding-left:10px}
.main-nav{display:flex;margin-left:auto;align-self:stretch}
.main-nav a{display:flex;align-items:center;padding:0 16px;text-decoration:none;font-size:15px;font-weight:500;color:var(--ink-2);border-left:1px solid var(--rule-2);position:relative}
.main-nav a:last-child{border-right:1px solid var(--rule-2)}
.main-nav a:hover{color:var(--ink);background:var(--paper)}
.main-nav a[aria-current="page"]{color:var(--ink);font-weight:700}
.main-nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent)}
.head-cta{display:flex;gap:10px}
.menu-btn{display:none;margin-left:auto;width:46px;height:46px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}
.mobile-nav{border-top:1px solid var(--rule);background:var(--bg);padding-block:8px 20px}
.mobile-nav a{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--rule-2);text-decoration:none;font-weight:500}
.mobile-nav a span{font:12px var(--f-mono);color:var(--muted)}
.mobile-nav a[aria-current="page"]{color:var(--accent)}
.mobile-nav .btn{margin-top:18px;width:100%;justify-content:center}
@media (max-width:980px){.main-nav,.head-cta{display:none}.menu-btn{display:inline-flex}}

/* chain rail (desktop) */
.rail{position:fixed;left:max(12px,calc((100vw - var(--wrap)) / 2 - 64px));top:50%;transform:translateY(-50%);z-index:40;display:none;flex-direction:column;gap:0}
.rail a{display:flex;align-items:center;gap:10px;text-decoration:none;font:500 11px/1 var(--f-mono);color:var(--muted);padding:9px 0;position:relative}
.rail a::before{content:"";width:9px;height:9px;border:1.5px solid var(--muted);background:var(--bg);flex:none;position:relative;z-index:1}
.rail a:not(:last-child)::after{content:"";position:absolute;left:4px;top:24px;height:18px;border-left:1.5px dotted var(--rule)}
.rail a span{opacity:0;transform:translateX(-4px);transition:.2s;white-space:nowrap;color:var(--ink);background:var(--paper);padding:3px 6px;border:1px solid var(--rule)}
.rail a:hover span,.rail a.on span{opacity:1;transform:none}
.rail a.on{color:var(--ink)}
.rail a.on::before{background:var(--accent);border-color:var(--accent)}
@media (min-width:1320px){.rail{display:flex}}

/* blocks */
.block{border-bottom:1px solid var(--ink);position:relative}
.bh{display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px;padding-block:12px;font:500 12px/1.4 var(--f-mono);color:var(--muted);border-bottom:1px dashed var(--rule)}
.bh-n{color:var(--ink);font-weight:600}
.bh-l{color:var(--ink)}
.bh-ok{margin-left:auto;color:var(--ok)}
.bh-h{white-space:nowrap}
.bb{padding-block:72px 84px}
.block.tight .bb{padding-block:48px}
.block.paper{background:var(--paper)}
.inv{background:var(--inv-bg);color:var(--inv-ink)}
.inv .bh{color:var(--inv-muted);border-bottom-color:var(--inv-rule)}
.inv .bh-n,.inv .bh-l{color:var(--inv-ink)}
.inv .muted{color:var(--inv-muted)}
.label{display:inline-block;font:600 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.h2{font-size:clamp(28px,3.6vw,46px);max-width:16em}
.lede{font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);max-width:34em;margin-top:18px}
.inv .lede{color:var(--inv-muted)}
.head2{display:flex;justify-content:space-between;align-items:end;gap:20px 40px;flex-wrap:wrap;margin-bottom:48px}

/* hero */
.hero .bb{padding-block:56px 64px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.hero h1{font-size:clamp(38px,6vw,76px);line-height:1.08;letter-spacing:-.025em}
.hero h1 .pre{display:block;font:600 clamp(14px,1.4vw,16px)/1 var(--f-mono);letter-spacing:.06em;color:var(--muted);margin-bottom:22px}
.hero h1 mark{background:var(--accent);color:var(--accent-ink);padding:0 .12em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.keybox{border:1px solid var(--ink);background:var(--paper);position:relative}
.keybox-top,.keybox-bot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 14px;font:12px var(--f-mono);color:var(--muted)}
.keybox-top{border-bottom:1px dashed var(--rule)}
.keybox-bot{border-top:1px dashed var(--rule);align-items:center}
.keybox-bot code{color:var(--ink);word-break:break-all}
.keyart{padding:20px 14px;display:block}
.keyart svg{width:100%;height:auto;display:block}
.key-fill{fill:var(--ink)}
.key-cut{fill:var(--accent)}
.key-hole{fill:var(--paper)}
.key-tx{fill:var(--paper);font:700 30px var(--f-wide);font-stretch:125%}
.recut{background:none;border:1px solid var(--rule);color:var(--ink);font:12px var(--f-mono);padding:6px 10px;cursor:pointer}
.recut:hover{border-color:var(--ink)}
.chips-row{display:flex;flex-wrap:wrap;gap:0;margin-top:28px;border:1px solid var(--rule);width:fit-content;max-width:100%}
.chips-row span{font:500 13px var(--f-mono);padding:8px 14px;border-right:1px solid var(--rule)}
.chips-row span:last-child{border-right:0}

/* standards strip */
.std{display:grid;grid-template-columns:repeat(5,1fr);border-left:1px solid var(--rule)}
.std div{border-right:1px solid var(--rule);padding:6px 18px}
.std b{display:block;font-family:var(--f-wide);font-stretch:125%;font-weight:800;font-size:18px}
.std span{font-size:13px;color:var(--muted)}

/* three principles */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink)}
.cols3>article{padding:28px 28px 8px 0;border-right:1px solid var(--rule)}
.cols3>article+article{padding-left:28px}
.cols3>article:last-child{border-right:0}
.cols3 .tagline{font:600 12px var(--f-mono);color:var(--accent);letter-spacing:.06em}
.cols3 h3{font-size:24px;margin-block:14px 12px}
.cols3 p{color:var(--ink-2);font-size:15px}
.cols3 .spec{margin-top:20px;padding:10px 12px;background:var(--bg);font:12.5px/1.6 var(--f-mono);color:var(--ink-2);border-left:3px solid var(--accent)}
.block.paper .cols3 .spec{background:var(--bg)}

/* service rows */
.rows{border-top:1.5px solid var(--ink)}
.row-link{display:grid;grid-template-columns:120px minmax(0,1fr) minmax(0,1.4fr) 40px;gap:24px;align-items:center;padding:26px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--ink);transition:background .2s,padding .2s}
.row-link .t{font:600 12px var(--f-mono);color:var(--muted)}
.row-link h3{font-size:clamp(20px,2.2vw,28px)}
.row-link p{color:var(--ink-2);font-size:15px}
.row-link .go{font:600 22px var(--f-mono);justify-self:end;transition:transform .2s}
.row-link:hover{background:var(--accent);color:var(--accent-ink);padding-inline:20px}
.row-link:hover .t,.row-link:hover p{color:var(--accent-ink)}
.row-link:hover .go{transform:translateX(4px)}

/* signed messages (testimonials) */
.sigs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sig{margin:0;border:1px solid var(--ink);background:var(--paper);display:flex;flex-direction:column}
.sig-h{display:flex;justify-content:space-between;padding:8px 14px;border-bottom:1px dashed var(--rule);font:11px var(--f-mono);color:var(--muted)}
.sig blockquote{margin:0;padding:22px 18px;font-size:16px;line-height:1.85;flex:1}
.sig figcaption{border-top:1px dashed var(--rule);padding:12px 14px;font:12px/1.6 var(--f-mono);color:var(--muted)}
.sig figcaption b{color:var(--ink);font-family:var(--f-body);font-size:14px}
.note{display:inline-block;font:12px var(--f-mono);color:var(--muted);border:1px dashed var(--muted);padding:6px 10px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.top{align-items:start}
.split p+p{margin-top:14px}
.split .body p{color:var(--ink-2)}
.split .actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.figs{display:grid;grid-template-columns:repeat(3,1fr);margin-top:30px;border-top:1.5px solid var(--ink)}
.figs div{padding:14px 14px 0 0}
.figs b{display:block;font-family:var(--f-wide);font-stretch:125%;font-weight:900;font-size:clamp(26px,3vw,36px);line-height:1.1;font-variant-numeric:tabular-nums}
.figs span{font-size:13px;color:var(--muted)}

/* photo with designed fallback */
.ph{position:relative;margin:0;overflow:hidden;aspect-ratio:4/3;max-width:100%;border:1px solid var(--ink);
  background:repeating-linear-gradient(135deg,transparent 0 9px,color-mix(in srgb,var(--accent) 22%,transparent) 9px 10px),var(--accent-soft)}
.ph img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.05)}
.ph::after{content:attr(data-label);position:absolute;left:14px;bottom:12px;font-family:var(--f-wide);font-stretch:125%;font-weight:900;font-size:clamp(26px,4.5vw,44px);line-height:1;color:var(--accent)}
.ph::before{content:attr(data-cap);position:absolute;left:14px;top:12px;font:11px var(--f-mono);color:var(--ink-2);z-index:0}
.ph.noimg img{display:none}
.ph.tall{aspect-ratio:4/5}
.ph.wide{aspect-ratio:16/10}

/* CTA */
.cta .bb{padding-block:72px}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:end}
.cta h2{font-size:clamp(34px,5.4vw,68px);line-height:1.05}
.cta p{color:var(--inv-muted);margin-top:16px;max-width:30em}
.cta .actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* page hero */
.phero .bb{padding-block:56px 60px}
.phero h1{font-size:clamp(32px,5vw,60px);line-height:1.1;max-width:15em}
.crumbs{font:12px var(--f-mono);color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}

/* tag cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 20px}
.card{position:relative;border:1px solid var(--ink);background:var(--paper);padding:30px 22px 22px;display:flex;flex-direction:column;gap:12px;margin-top:10px}
.card .tag{position:absolute;top:-11px;left:16px;background:var(--ink);color:var(--bg);font:600 11px/1 var(--f-mono);padding:5px 8px;letter-spacing:.06em}
.card h3{font-size:21px}
.card p{color:var(--ink-2);font-size:15px}
.card ul{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:14px;color:var(--ink-2)}
.card li{padding-left:16px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:1.5px;background:var(--accent)}

/* process as a chain */
.chain{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.chain li{border:1px solid var(--ink);background:var(--paper);padding:20px;position:relative}
.chain li:not(:last-child)::after{content:"";position:absolute;right:-29px;top:50%;width:28px;border-top:1.5px dashed var(--ink)}
.chain .h{display:block;font:600 11px var(--f-mono);color:var(--muted);border-bottom:1px dashed var(--rule);padding-bottom:10px;margin-bottom:14px}
.chain h3{font-size:19px;margin-bottom:8px}
.chain p{font-size:14px;color:var(--ink-2)}
.chain code{display:inline-block;margin-top:12px;font:12px var(--f-mono);background:var(--accent-soft);color:var(--ink);padding:3px 8px}

/* table */
.tbl{overflow-x:auto;border:1px solid var(--ink);background:var(--paper)}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:15px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--rule-2)}
th{font:600 11px var(--f-mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--ink)}
tr:last-child td{border-bottom:0}
td.n{font-family:var(--f-mono);font-weight:600;font-variant-numeric:tabular-nums}
.st{font:600 12px var(--f-mono)}
.st.ok{color:var(--ok)}
.fine{font-size:13px;color:var(--muted);margin-top:14px;max-width:60em}

/* faq */
.faq{border-top:1.5px solid var(--ink);max-width:880px}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:44px 1fr 24px;gap:10px;align-items:baseline;padding:22px 0;font-weight:700;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{font:600 12px var(--f-mono);color:var(--accent)}
.faq summary::after{content:"+";font:400 24px/1 var(--f-mono);transition:transform .2s;justify-self:end}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px 54px;color:var(--ink-2)}
.faq a{color:var(--accent)}

/* listing */
.term{border:1px solid var(--ink);background:var(--inv-bg);color:var(--inv-ink);margin-bottom:28px;position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--head-h) + 10px);z-index:20}
.term-cmd{padding:12px 16px;font:13px var(--f-mono);border-bottom:1px solid var(--inv-rule);overflow-x:auto;white-space:nowrap}
.term-cmd .p{color:var(--accent)}
.term-cmd .c{color:var(--inv-muted)}
.term-ctl{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;padding:12px 16px}
.seg{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--inv-rule)}
.seg button{background:transparent;border:0;border-right:1px solid var(--inv-rule);color:var(--inv-ink);font:500 14px var(--f-body);padding:8px 14px;cursor:pointer}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.q-input{display:flex;align-items:center;gap:8px;border-bottom:1.5px solid var(--inv-muted);min-width:0;flex:0 1 260px}
.q-input span{font:13px var(--f-mono);color:var(--accent)}
.q-input input{background:transparent;border:0;color:var(--inv-ink);font:15px var(--f-body);padding:8px 0;outline:none;width:100%;min-width:0}
.q-input input::placeholder{color:var(--inv-muted)}
.count{font:13px var(--f-mono);color:var(--muted);margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.asset{border:1px solid var(--ink);background:var(--paper);display:flex;flex-direction:column}
.asset .ph{border:0;border-bottom:1px solid var(--ink);aspect-ratio:16/10}
.asset-b{padding:18px 18px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.asset-t{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.asset h3{font-size:20px}
.asset h3 small{font:600 13px var(--f-mono);color:var(--muted);margin-left:6px}
.kind{font:600 11px var(--f-mono);color:var(--accent);white-space:nowrap}
.asset p{font-size:14px;color:var(--ink-2)}
.pills{display:flex;flex-wrap:wrap;gap:6px}
.pill{font:12px var(--f-mono);padding:2px 8px;border:1px solid var(--rule);color:var(--ink-2)}
.pill.ok{border-color:var(--ok);color:var(--ok)}
.asset-f{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:auto;padding-top:12px;border-top:1px dashed var(--rule);font:12px var(--f-mono);color:var(--muted)}
.asset-f a{color:var(--accent);font:600 14px var(--f-body);text-decoration:none;white-space:nowrap}
.asset-f a:hover{text-decoration:underline}
.empty{border:1px dashed var(--muted);padding:40px;text-align:center;color:var(--muted)}
.empty a{color:var(--accent)}

/* blog */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:12px}
.post small{font:12px var(--f-mono);color:var(--muted)}
.post h3{font-size:20px}
.post:hover h3{color:var(--accent)}
.article{max-width:720px;margin:56px auto 0;padding-top:36px;border-top:1px dashed var(--rule)}
.article h3{font-size:clamp(22px,2.6vw,30px);margin-block:10px 16px}
.article p,.article li{color:var(--ink-2)}
.article p+p{margin-top:12px}
.article ol{padding-left:22px;display:grid;gap:6px;margin:14px 0}
.article .back{display:inline-block;margin-top:18px;font:600 13px var(--f-mono);color:var(--accent);text-decoration:none}

/* about */
.log{list-style:none;margin:28px 0 0;padding:0;border-top:1.5px solid var(--ink)}
.log li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--rule-2)}
.log b{font:600 13px var(--f-mono);color:var(--accent)}
.log span{color:var(--ink-2);font-size:15px}
.mission{font-size:clamp(26px,4vw,52px);line-height:1.3;font-weight:900;max-width:18em;letter-spacing:-.01em}
.mission mark{background:var(--accent);color:var(--accent-ink);padding:0 .1em}
.diff{display:grid;grid-template-columns:repeat(2,1fr);border-top:1.5px solid var(--ink)}
.diff div{padding:28px 28px 28px 0;border-bottom:1px solid var(--rule)}
.diff div:nth-child(odd){border-right:1px solid var(--rule)}
.diff div:nth-child(even){padding-left:28px}
.diff .k{font:600 12px var(--f-mono);color:var(--accent)}
.diff h3{font-size:21px;margin-block:10px 8px}
.diff p{color:var(--ink-2);font-size:15px}

/* app */
.plats{border-top:1.5px solid var(--ink)}
.plat{display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1.3fr) auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--rule)}
.plat .ico{width:48px;height:48px;border:1px solid var(--ink);display:grid;place-items:center}
.plat .ico svg{width:22px;height:22px}
.plat h3{font-size:22px}
.plat dl{margin:0;display:flex;flex-wrap:wrap;gap:4px 18px;font:12.5px var(--f-mono);color:var(--muted)}
.plat dd{margin:0 0 0 6px;color:var(--ink);display:inline}
.plat dt{display:inline}
.qrwrap{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.qr{width:150px;height:150px;background:#F7F8F4;padding:10px;border:1px solid var(--ink);flex:none}
.qr canvas{width:100%;height:100%;image-rendering:pixelated;display:block}
.hash{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border:1px solid var(--ink);background:var(--paper);padding:12px 14px;font:12px var(--f-mono)}
.hash code{flex:1;min-width:0;word-break:break-all}
.cp{border:1px solid var(--rule);background:transparent;color:var(--ink);font:12px var(--f-mono);padding:6px 10px;cursor:pointer}
.cp:hover{border-color:var(--ink)}
.warns{list-style:none;margin:20px 0 0;padding:0;border-top:1.5px solid var(--ink)}
.warns li{padding:14px 0 14px 34px;border-bottom:1px solid var(--rule-2);position:relative;color:var(--ink-2)}
.warns li::before{content:"!";position:absolute;left:0;top:14px;width:22px;height:22px;background:var(--warn);color:#fff;font:700 13px/22px var(--f-mono);text-align:center}

/* forms */
.form{display:grid;gap:18px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:6px;min-width:0}
.field label{font:600 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;min-width:0;background:var(--paper);color:var(--ink);border:1px solid var(--ink);border-radius:0;padding:13px 14px;font:15px var(--f-body)}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:0}
.err{font-size:13px;color:var(--warn)}
.ok-msg{border:1px solid var(--ok);color:var(--ok);padding:14px 16px;font-weight:500}
.fnote{font:12px var(--f-mono);color:var(--muted)}
.sub{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.sub input{flex:1 1 240px;min-width:0;min-height:50px;background:transparent;border:1.5px solid var(--inv-muted);color:var(--inv-ink);padding:0 16px;font:15px var(--f-body);border-radius:0}
.sub input::placeholder{color:var(--inv-muted)}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:start}
.chan{border-top:1.5px solid var(--ink)}
.chan>div{padding:18px 0;border-bottom:1px solid var(--rule);display:grid;gap:4px}
.chan small{font:600 11px var(--f-mono);letter-spacing:.06em;color:var(--accent);text-transform:uppercase}
.chan b{font:600 16px var(--f-mono);word-break:break-all}
.chan span{font-size:14px;color:var(--muted)}
.chan .cp{justify-self:start;margin-top:6px}

/* footer */
.site-footer{background:var(--foot-bg);color:var(--foot-ink);overflow:hidden}
.foot-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px;padding-block:56px 40px}
.site-footer .logo{color:var(--foot-ink)}
.site-footer .logo small{color:var(--foot-muted);border-color:var(--foot-rule)}
.site-footer .logo .key-fill{fill:var(--foot-ink)}
.foot-about{font-size:14px;color:var(--foot-muted);margin-top:16px;max-width:26em}
.site-footer h2{font:600 11px var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--foot-muted);margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer ul a{text-decoration:none;font-size:15px;color:var(--foot-ink)}
.site-footer ul a:hover{color:var(--accent)}
.giant{font-family:var(--f-wide);font-stretch:125%;font-weight:900;font-size:clamp(120px,28vw,360px);line-height:.75;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.5px var(--foot-rule);margin:0 0 -.12em -.04em;user-select:none}
.risk{border-top:1px solid var(--foot-rule);padding-block:20px;font-size:12px;line-height:1.8;color:var(--foot-muted)}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--foot-rule);padding-block:18px;font:12px var(--f-mono);color:var(--foot-muted)}
.foot-bot a{color:var(--foot-muted)}
.foot-bot .tip{color:var(--ok)}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom,0px));transform:translate(-50%,16px);background:var(--ink);color:var(--bg);font:13px var(--f-mono);padding:12px 18px;opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* motion: blocks "confirm" on load */
@keyframes cut{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
.keyart svg .bit{animation:cut 1.1s .2s cubic-bezier(.6,.1,.2,1) both}
@keyframes up{from{opacity:.001;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero h1,.hero .lede,.hero-actions,.chips-row{animation:up .7s cubic-bezier(.2,.7,.2,1) both}
.hero .lede{animation-delay:.08s}.hero-actions{animation-delay:.16s}.chips-row{animation-delay:.24s}

/* responsive */
@media (max-width:1024px){
  .chain{grid-template-columns:repeat(2,1fr)}
  .chain li:nth-child(2)::after{display:none}
  .std{grid-template-columns:repeat(3,1fr);row-gap:16px}
  .foot-top{grid-template-columns:1fr 1fr 1fr}
  .foot-top>:first-child{grid-column:1/-1}
}
@media (max-width:900px){
  .hero-grid,.split,.cta-grid,.contact-grid{grid-template-columns:1fr}
  .cols3,.sigs,.posts{grid-template-columns:1fr}
  .cols3>article,.cols3>article+article{padding:24px 0 8px;border-right:0;border-bottom:1px solid var(--rule)}
  .cards,.grid{grid-template-columns:repeat(2,1fr)}
  .row-link{grid-template-columns:90px minmax(0,1fr) 30px}
  .row-link p{grid-column:2/3}
  .row-link .go{grid-row:1;grid-column:3}
  .cta .actions{justify-content:flex-start}
  .bb{padding-block:56px 64px}
  .term{position:static}
  .plat{grid-template-columns:48px minmax(0,1fr);row-gap:12px}
  .plat dl,.plat .btn{grid-column:1/-1}
  .plat .btn{justify-self:start}
}
@media (max-width:640px){
  .cards,.grid,.chain,.diff{grid-template-columns:1fr}
  .chain li::after{display:none}
  .diff div,.diff div:nth-child(even){padding:22px 0;border-right:0}
  .std{grid-template-columns:1fr 1fr}
  .form .two{grid-template-columns:1fr}
  .row-link{grid-template-columns:minmax(0,1fr) 30px;gap:8px 12px;padding:20px 0}
  .row-link .t{grid-column:1/-1}
  .row-link h3{grid-column:1}
  .row-link .go{grid-row:2;grid-column:2}
  .row-link p{grid-column:1/-1}
  .row-link:hover{padding-inline:12px}
  .bh-h.prev{display:none}
  .log li{grid-template-columns:1fr;gap:2px}
  .faq details p{padding-left:0}
  .faq summary{grid-template-columns:34px 1fr 20px}
  .foot-top{grid-template-columns:1fr 1fr}
  .figs b{font-size:24px}
  .q-input{flex:1 1 100%}
}
.site-footer .logo .key-hole{fill:var(--foot-bg)}


/* ================= vault layer ================= */
@keyframes tick{to{transform:translateX(-50%)}}
@keyframes lineup{from{transform:translateY(105%)}to{transform:none}}
@keyframes shine{to{background-position:-300% 0}}
@keyframes pop{from{opacity:.2;transform:scale(.96)}to{opacity:1;transform:none}}
@keyframes blink{50%{opacity:.35}}

.wide{font-stretch:normal;font-weight:400;letter-spacing:.02em}
#net{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
main,.site-footer{position:relative;z-index:1}
.cursor-light{position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(var(--net-node),.10),transparent 62%);transform:translate(var(--cx,-999px),var(--cy,-999px));transition:transform .3s ease-out}

/* header */
.site-header{border-bottom:1px solid var(--rule);background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.logo svg{width:30px;height:30px}
.logo b{font-family:var(--f-wide);font-stretch:normal;font-weight:400;font-size:28px;letter-spacing:.02em}
.logo small{font-family:var(--f-mono);border-left-color:var(--rule)}
.lg-rim{fill:var(--accent)} .lg-face{fill:var(--bg)} .lg-tick{stroke:var(--accent);stroke-width:1.6} .lg-cap{fill:var(--accent)} .lg-ptr{fill:var(--ink)}
.site-footer .lg-face{fill:var(--foot-bg)}
.main-nav a{border:0!important;border-radius:999px;margin-block:12px;padding:0 14px}
.main-nav a[aria-current="page"]{background:var(--accent-soft);color:var(--ink)}
.main-nav a[aria-current="page"]::after{display:none}
.menu-btn{border-radius:12px;border-color:var(--rule)}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;transform-origin:0 50%;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--accent),var(--glow))}

/* buttons: brass bars */
.btn{border-radius:12px;position:relative;overflow:hidden;transition:background .2s,color .2s,translate .25s ease-out,box-shadow .2s}
.btn-key{clip-path:none;background:linear-gradient(180deg,var(--glow),var(--accent));color:var(--accent-ink);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 6px 18px rgba(var(--net-node),.25)}
.btn-key:hover{background:linear-gradient(180deg,var(--glow),var(--glow));color:var(--accent-ink)}
.btn-key::after{content:"";position:absolute;top:0;bottom:0;width:40%;left:-60%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transition:left .6s}
.btn-key:hover::after{left:120%}
.btn-line{box-shadow:inset 0 0 0 1.5px var(--rule)}
.btn-line:hover{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--accent)}
.inv .btn-key{background:var(--inv-ink);color:var(--inv-bg);box-shadow:none}
.inv .btn-key:hover{background:var(--inv-ink);color:var(--inv-bg);opacity:.9}
.inv .btn-line{box-shadow:inset 0 0 0 1.5px var(--inv-rule);color:var(--inv-ink)}
.inv .btn-line:hover{background:transparent;color:var(--inv-ink);box-shadow:inset 0 0 0 1.5px var(--inv-ink)}
.arrow{border-bottom-color:var(--accent)}

/* ticker */
.ticker{position:relative;z-index:2;border-bottom:1px solid var(--rule);overflow:hidden;font:500 12px/1 var(--f-mono);color:var(--muted);background:color-mix(in srgb,var(--bg) 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.ticker-track{display:flex;width:max-content;animation:tick 52s linear infinite}
.ticker-track span{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;white-space:nowrap}
.ticker-track span::before{content:"✦";color:var(--accent);font-size:10px}
.ticker-track b{color:var(--ink);font-weight:500}
.ticker:hover .ticker-track{animation-play-state:paused}

/* compartments */
.block{border-bottom:0;background:transparent}
.bb{position:relative;isolation:isolate}
.drawer{position:absolute;right:20px;top:24px;font:400 clamp(40px,6vw,76px)/1 var(--f-wide);color:var(--rule);letter-spacing:.02em;pointer-events:none;z-index:-1}
.block.paper>.bb,.block.inv>.bb{padding-inline:clamp(26px,4.5vw,60px)}
.block.paper>.bb::before,.block.inv>.bb::before{content:"";position:absolute;inset:0 0;margin-inline:4px;border-radius:32px;z-index:-2;
  background:radial-gradient(circle at 18px 18px,var(--rivet) 3px,transparent 3.6px),radial-gradient(circle at calc(100% - 18px) 18px,var(--rivet) 3px,transparent 3.6px),
  radial-gradient(circle at 18px calc(100% - 18px),var(--rivet) 3px,transparent 3.6px),radial-gradient(circle at calc(100% - 18px) calc(100% - 18px),var(--rivet) 3px,transparent 3.6px),
  color-mix(in srgb,var(--paper) 88%,transparent);border:1px solid var(--rule)}
.block.paper{margin-block:12px}
.block.inv{background:transparent;color:var(--inv-ink);margin-block:24px}
.block.inv>.bb::before{background:radial-gradient(circle at 18px 18px,var(--inv-rule) 3px,transparent 3.6px),radial-gradient(circle at calc(100% - 18px) 18px,var(--inv-rule) 3px,transparent 3.6px),
  radial-gradient(circle at 18px calc(100% - 18px),var(--inv-rule) 3px,transparent 3.6px),radial-gradient(circle at calc(100% - 18px) calc(100% - 18px),var(--inv-rule) 3px,transparent 3.6px),
  linear-gradient(135deg,var(--glow),var(--inv-bg) 55%);border:0}
:root[data-theme="light"] .block.inv>.bb::before{background:var(--inv-bg)}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .block.inv>.bb::before{background:linear-gradient(135deg,#1A5641,var(--inv-bg) 60%)}}
.block.inv .drawer{color:var(--inv-rule)}
.label{font-family:var(--f-mono);letter-spacing:.1em;color:var(--accent)}
.h2,.hero h1,.phero h1,.cta h2,.mission{letter-spacing:0}

/* panels & cards */
.card,.asset,.sig,.chain li,.tbl,.hash,.term,.keybox,.ph,.plat .ico,.field input,.field select,.field textarea{border-radius:var(--r);border-color:var(--rule)}
.card,.sig,.chain li{background:color-mix(in srgb,var(--paper) 90%,transparent)}
.block.paper .card,.block.paper .sig,.block.paper .chain li,.block.paper .asset{background:var(--bg)}
.card{padding-top:34px}
.card .tag{border-radius:8px;background:var(--accent);color:var(--accent-ink);left:20px}
.asset{overflow:hidden}
.asset .ph{border-radius:0}
.ph{background:repeating-radial-gradient(circle at 70% 30%,transparent 0 10px,rgba(var(--g-line),.18) 10px 11px),var(--accent-soft)}
.ph::after{font-family:var(--f-wide);font-stretch:normal;font-weight:400;color:var(--accent)}
.cols3{border-top:0!important;gap:20px}
.cols3>article{border:1px solid var(--rule)!important;border-radius:var(--r);padding:28px!important;background:color-mix(in srgb,var(--paper) 90%,transparent)}
.cols3 .spec{border-left-color:var(--accent);border-radius:0 10px 10px 0;background:var(--bg)}
.rows,.faq,.plats,.diff,.log,.chan,.warns,.figs{border-top-color:var(--rule)!important}
.figs div{border:0}
.std{border-left:0;gap:12px}
.std div{border:1px solid var(--rule);border-radius:16px;padding:14px 18px}
.std b{font-family:var(--f-wide);font-stretch:normal;font-weight:400;letter-spacing:.02em;color:var(--accent)}
.figs b{font-family:var(--f-wide);font-stretch:normal;font-weight:400;color:var(--accent)}
.row-link{border-radius:16px;background:linear-gradient(90deg,var(--accent),var(--glow)) no-repeat 0 0/0% 100%;transition:background-size .5s cubic-bezier(.6,0,.2,1),padding .3s,color .3s}
.row-link:hover{background:linear-gradient(90deg,var(--accent),var(--glow)) no-repeat 0 0/100% 100%;color:var(--accent-ink);padding-inline:22px}
.row-link:hover .t,.row-link:hover p{color:var(--accent-ink)}
.sig figcaption,.sig-h{border-color:var(--rule)}
.term{background:var(--foot-bg);color:var(--foot-ink);overflow:hidden}
.seg{border-radius:10px;overflow:hidden}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.term-cmd .p{color:var(--accent)}
.q-input span{color:var(--accent)}
.chain li:not(:last-child)::after{border-top-color:var(--accent)}
.chain code{background:var(--accent-soft);border-radius:6px}
.faq summary .q{color:var(--accent)}
.mission mark,.hero h1 mark{background:linear-gradient(180deg,transparent 58%,rgba(var(--net-node),.45) 58%);color:inherit;padding:0}
.warns li::before{border-radius:50%}
.hash{background:var(--paper)}
.qr{border-radius:16px;border-color:var(--rule)}
.note{border-radius:999px}
.pill{border-radius:999px}
.st.ok{color:var(--ok)}

/* hero + vault dial */
.hero .bb{padding-block:48px 72px}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.08em}
.hero h1 .ln>span{display:inline-block;animation:lineup 1s cubic-bezier(.2,.8,.2,1) both}
.hero h1 .ln:nth-child(3)>span{animation-delay:.12s}
.hero h1 .pre{animation:none}
.chips-row{border-radius:12px;overflow:hidden;border-color:var(--rule)}
.chips-row span{border-color:var(--rule)}
.vault-wrap{position:relative;max-width:480px;width:100%;margin-left:auto;padding-bottom:40px}
.vault{position:relative;aspect-ratio:1/1;max-width:100%;border-radius:40px;padding:9%;border:1px solid var(--rule);
  background:radial-gradient(circle at 30% 20%,color-mix(in srgb,var(--ink) 6%,transparent),transparent 55%),linear-gradient(150deg,var(--paper),var(--bg));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 40px 90px rgba(0,0,0,.35)}
.bolt{position:absolute;width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 35% 35%,var(--glow),var(--accent));box-shadow:0 0 0 4px var(--rule-2);transition:transform .6s cubic-bezier(.6,0,.2,1)}
.b1{left:22px;top:22px}.b2{right:22px;top:22px}.b3{left:22px;bottom:22px}.b4{right:22px;bottom:22px}
.vault.open .b1,.vault.open .b3{transform:translateX(-8px) scale(.8)}
.vault.open .b2,.vault.open .b4{transform:translateX(8px) scale(.8)}
.dial{width:100%;aspect-ratio:1/1;touch-action:none;cursor:grab;user-select:none}
.dial:active{cursor:grabbing}
.dial-svg{width:100%;height:100%;display:block;overflow:visible}
.d-rim{fill:var(--rule-2);stroke:var(--rule);stroke-width:2}
.d-face{fill:var(--bg)}
.d-tick{stroke:var(--muted);stroke-width:1.4}
.d-tick.l{stroke:var(--ink);stroke-width:2.4}
.d-num{fill:var(--ink);font:400 22px var(--f-wide)}
.d-ridge{stroke:rgba(0,0,0,.28);stroke-width:2.2}
.d-cap{fill:var(--paper);stroke:rgba(0,0,0,.2);stroke-width:2}
.d-cap-t{fill:var(--accent);font:400 40px var(--f-wide)}
.d-ptr{fill:var(--accent);filter:drop-shadow(0 2px 6px rgba(var(--net-node),.6))}
.vault-status{position:absolute;left:0;right:0;bottom:-2px;transform:translateY(50%);display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}
.vault-status>span{background:var(--paper);border:1px solid var(--rule);border-radius:999px;padding:7px 14px;font:500 12px/1 var(--f-mono);color:var(--ink-2)}
.lights{display:inline-flex;gap:6px}
.lights i{width:9px;height:9px;border-radius:50%;background:var(--rule);transition:background .3s,box-shadow .3s}
.lights i.on{background:var(--ok);box-shadow:0 0 10px var(--ok)}
.vnum{font-variant-numeric:tabular-nums;color:var(--accent)!important;min-width:5.2em;text-align:center}
.vault.open .vstate{color:var(--ok)}
.vault-card{position:absolute;right:-4%;bottom:12%;width:min(260px,62%);border-radius:18px;padding:16px 18px;background:var(--paper);border:1px solid var(--accent);
  box-shadow:0 24px 60px rgba(0,0,0,.4);opacity:0;transform:translate(-30px,20px) scale(.9) rotate(-4deg);transition:opacity .5s,transform .7s cubic-bezier(.2,.8,.2,1);pointer-events:none;z-index:3}
.vault-wrap.open .vault-card{opacity:1;transform:rotate(3deg)}
.vc-top{display:flex;justify-content:space-between;gap:8px;font:11px var(--f-mono);color:var(--muted)}
.vc-ok{color:var(--ok)}
.vc-bal{display:block;font:400 28px/1.3 var(--f-wide);color:var(--ink);margin-block:6px 8px;font-variant-numeric:tabular-nums}
.vault-card ul{list-style:none;margin:0;padding:0;font:12.5px var(--f-mono)}
.vault-card li{display:flex;justify-content:space-between;padding:5px 0;border-top:1px dashed var(--rule)}
.dial-replay{position:absolute;left:0;bottom:-46px;background:none;border:0;color:var(--muted);font:12px var(--f-mono);cursor:pointer;padding:6px 0}
.dial-replay:hover{color:var(--accent)}

/* pinned horizontal principles (desktop) */
.pinned{height:240vh}
.pinned>.bb{position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--head-h));height:calc(100vh - var(--head-h));display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding-block:40px}
.pinned .cols3{display:flex;gap:24px;width:max-content;transform:translateX(var(--tx,0px));will-change:transform}
.pinned .cols3>article{width:min(440px,40vw);flex:none;min-height:340px}
.pin-meter{height:3px;background:var(--rule);border-radius:3px;margin-top:28px;max-width:320px;overflow:hidden}
.pin-meter i{display:block;height:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(var(--pp,0))}

/* reveal / tilt / marquee */
.rv{translate:0 34px;opacity:.4;transition:translate .9s cubic-bezier(.2,.8,.2,1),opacity .9s ease,transform .25s ease-out;transition-delay:var(--d,0s),var(--d,0s),0s}
.rv.in{translate:0 0;opacity:1}
.tilt{transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
.tilt:hover{border-color:var(--accent)!important}
.sigs.marq{display:block;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marq .track{display:flex;gap:20px;width:max-content;animation:tick 46s linear infinite;padding-block:6px}
.marq .sig{width:min(380px,78vw);flex:none}
.marq:hover .track{animation-play-state:paused}
.asset.pop{animation:pop .45s cubic-bezier(.2,.8,.2,1)}

/* footer */
.giant{font-family:var(--f-wide);font-stretch:normal;font-weight:400;letter-spacing:0;-webkit-text-stroke:0;
  background:linear-gradient(100deg,var(--foot-rule) 0 42%,var(--accent) 50%,var(--glow) 53%,var(--foot-rule) 61% 100%);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 8s linear infinite}

/* vault-door page transition */
.veil{position:fixed;inset:0;z-index:300;pointer-events:none}
.door{position:absolute;top:0;bottom:0;width:50.5%;border:1px solid var(--rule);transition:transform .45s cubic-bezier(.7,0,.3,1);
  background:radial-gradient(circle at 24px 24px,var(--rivet) 4px,transparent 5px),radial-gradient(circle at 24px calc(100% - 24px),var(--rivet) 4px,transparent 5px),linear-gradient(90deg,var(--paper),var(--bg))}
.door.l{left:0;transform:translateX(-101%)}
.door.r{right:0;transform:translateX(101%);background:radial-gradient(circle at calc(100% - 24px) 24px,var(--rivet) 4px,transparent 5px),radial-gradient(circle at calc(100% - 24px) calc(100% - 24px),var(--rivet) 4px,transparent 5px),linear-gradient(270deg,var(--paper),var(--bg))}
.door::after{content:"";position:absolute;top:50%;width:8px;height:110px;margin-top:-55px;border-radius:4px;background:linear-gradient(180deg,var(--glow),var(--accent))}
.door.l::after{right:28px}.door.r::after{left:28px}
.veil.cover .door{transform:none}
.veil.start .door{transform:none;transition:none}

@media (max-width:1023px){.pinned{height:auto}.pinned>.bb{position:static;height:auto}}
@media (max-width:900px){.vault-wrap{margin-inline:auto}.vault-card{right:0}.drawer{font-size:40px}}
@media (prefers-reduced-motion:reduce){.rv{translate:none;opacity:1}.cursor-light,.veil{display:none}}
@media (hover:none){.cursor-light{display:none}}
.block.paper{background:transparent}
.hero h1{font-size:clamp(34px,4.8vw,64px)}
.chips-row a{font:500 13px var(--f-mono);padding:8px 14px;border-right:1px solid var(--rule);text-decoration:none;color:var(--ink);transition:background .2s,color .2s}
.chips-row a:last-child{border-right:0}
.chips-row a:hover{background:var(--accent);color:var(--accent-ink)}