/* Trestle — front end built on the acid-on-black direction:
   one accent (chartreuse) used for keylines and outlines, expanded outlined
   wordmark, condensed grotesk headings, mono for every on-chain value. */
:root{
  --ink:#101111;
  --bg:#151616;
  --panel:#1a1b1b;
  --panel-2:#1e1f1e;
  --line:#3a3d33;
  --line-soft:#26281f;
  --line-hot:#b8bb20;
  --acid:#d6d814;
  --acid-hi:#e3e51b;
  --olive:#9a9d16;
  --fg:#f1f1eb;
  --muted:#b9bab3;
  --dim:#a2a49b;
  --err:#ff6b5a;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Archivo','Helvetica Neue',Arial,sans-serif;
  --shell:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.grid-bg{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(to right,rgba(214,216,20,.045) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(214,216,20,.045) 1px,transparent 1px);
  background-size:74px 74px;
  mask-image:radial-gradient(120% 80% at 50% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 80% at 50% 0%,#000 0%,transparent 72%);
}
main,header.topbar,footer{position:relative;z-index:2}
.mono{font-family:var(--mono);font-variant-ligatures:none}
a{color:inherit;text-decoration:none}
img,svg{display:block}

/* ---------- display type ---------- */
h1,h2,h3,.wordmark,.brand-name{font-variation-settings:'wdth' 82;font-weight:700;letter-spacing:-.02em;line-height:1.02}
h1{font-variation-settings:'wdth' 86;font-weight:750;font-size:clamp(2.1rem,5.4vw,4.15rem);letter-spacing:-.025em}
h1 em{font-style:normal;color:var(--acid)}
h2{font-size:clamp(1.6rem,3.2vw,2.5rem)}
h2 em{font-style:normal;color:var(--acid)}
h3{font-size:1.02rem;letter-spacing:-.01em}
.eyebrow{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--acid);display:flex;align-items:center;gap:.55rem;
}
.eyebrow .slash{color:var(--olive)}
.lede{color:#cfd0c9;font-size:1.08rem;max-width:62ch}
small{font-size:.8rem;color:var(--dim)}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:1.5rem;
  padding:.8rem clamp(1rem,4vw,2.6rem);border-bottom:1px solid var(--line);
  background:rgba(16,17,17,.86);backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-mark{width:26px;height:26px;color:var(--acid)}
.brand-mark svg{width:100%;height:100%}
.brand-name{
  font-variation-settings:'wdth' 108;font-weight:500;text-transform:lowercase;
  letter-spacing:.16em;font-size:.95rem;
}
.nav{display:flex;gap:1.35rem;margin-left:auto;font-size:.84rem;color:var(--muted)}
.nav a{padding:.2rem 0;border-bottom:1px solid transparent;transition:color .18s,border-color .18s}
.nav a:hover{color:var(--fg);border-color:var(--line-hot)}
.topbar-right{display:flex;align-items:center;gap:.7rem}
.pill{
  display:inline-flex;align-items:center;gap:.45rem;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:.34rem .68rem;
}
.pill.live{color:var(--acid);border-color:rgba(214,216,20,.4)}
.pulse{width:6px;height:6px;border-radius:50%;background:var(--acid);box-shadow:0 0 0 0 rgba(214,216,20,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(214,216,20,0)}100%{box-shadow:0 0 0 0 rgba(214,216,20,0)}}

/* ---------- buttons ---------- */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;cursor:pointer;
  font-family:var(--sans);font-variation-settings:'wdth' 88;font-weight:600;font-size:.88rem;
  padding:.72rem 1.15rem;border-radius:999px;border:1px solid transparent;
  transition:transform .16s,background .18s,color .18s,border-color .18s;background:none;color:var(--fg);
}
.button.primary{background:var(--acid);color:#131405}
.button.primary:hover{background:var(--acid-hi);transform:translateY(-1px)}
.button.ghost{border-color:var(--line-hot);color:var(--acid);font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:.45rem .8rem}
.button.ghost:hover{background:rgba(214,216,20,.09)}
.button.tiny{padding:.5rem .9rem;border-color:var(--line-hot);color:var(--acid);font-size:.8rem}
.button.tiny:hover{background:rgba(214,216,20,.09)}
.button.full{width:100%;margin-top:1.15rem;padding:.95rem 1.2rem;font-size:.95rem}
.button:disabled{opacity:.5;cursor:progress;transform:none}
.text-link{font-size:.9rem;color:var(--fg);border-bottom:1px solid var(--line);padding-bottom:.15rem}
.text-link:hover{color:var(--acid);border-color:var(--line-hot)}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(3.2rem,9vw,7rem) clamp(1rem,4vw,2.6rem) 0;overflow:hidden}
.hero-mesh{
  position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.92;
  /* keep the lattice visible at the edges but out of the way of the type */
  -webkit-mask-image:radial-gradient(68% 58% at 50% 55%,rgba(0,0,0,.2),#000 78%);
  mask-image:radial-gradient(68% 58% at 50% 55%,rgba(0,0,0,.2),#000 78%);
}
.hero-inner{position:relative;z-index:1;max-width:var(--shell);margin:0 auto}
.wordmark{
  font-variation-settings:'wdth' 118;font-weight:400;font-size:clamp(3.2rem,13.5vw,9.2rem);
  line-height:.92;letter-spacing:.02em;text-transform:uppercase;margin:1.1rem 0 .9rem;
  color:transparent;-webkit-text-stroke:3px rgba(214,216,20,.85);
}
@supports not (-webkit-text-stroke:1px black){.wordmark{color:var(--acid)}}
.hero h1{max-width:22ch}
.hero .lede{margin-top:1.1rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1.1rem;align-items:center;margin-top:1.9rem}
.stat-strip{
  position:relative;z-index:1;max-width:var(--shell);margin:clamp(2.6rem,6vw,4.4rem) auto 0;
  display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);
}
.stat-strip>div{padding:1.15rem 1.2rem 1.35rem;border-right:1px solid var(--line)}
.stat-strip>div:first-child{padding-left:0}
.stat-strip>div:last-child{border-right:0}
.stat-strip dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.stat-strip dd{font-variation-settings:'wdth' 80;font-weight:700;font-size:1.6rem}
.stat-strip dd.sm{font-size:1.15rem}
.stat-strip dd small{font-family:var(--mono);font-size:.7rem;color:var(--dim);margin-left:.28rem;letter-spacing:.08em}

/* ---------- bridge ---------- */
.bridge-grid{
  max-width:var(--shell);margin:clamp(2.4rem,6vw,4rem) auto 0;
  padding:0 clamp(1rem,4vw,2.6rem);display:grid;grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);gap:1.5rem;align-items:start;
}
.bridge-card{
  background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.5rem;
  position:relative;
}
.bridge-card:before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-hot),transparent);opacity:.75;
}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.3rem}
.card-head h2{font-size:1.45rem;margin-top:.7rem}
.tab-outline{
  display:inline-block;font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--acid);border:1px solid rgba(214,216,20,.45);border-radius:3px;padding:.22rem .5rem;
}
.tab-outline.sm{font-size:.6rem;margin-bottom:.95rem}
.live-tag{
  display:inline-flex;align-items:center;gap:.42rem;font-family:var(--mono);font-size:.64rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--acid);white-space:nowrap;
}
.flip-route{
  width:46px;height:46px;border-radius:50%;background:var(--panel-2);border:1px solid rgba(214,216,20,.6);
  color:var(--acid);font-size:1.15rem;line-height:1;display:grid;place-items:center;cursor:pointer;
  transition:color .18s,border-color .18s,transform .3s,background .18s;
}
.flip-route:hover{border-color:var(--acid);background:#242619;transform:rotate(180deg)}
.flip-route:focus-visible{outline:2px solid var(--acid);outline-offset:3px}
.route-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:.85rem;align-items:center;margin-top:1.9rem}
.chain-box{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:.95rem}
.chain-box label,.amount-row label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:.6rem}
.chain-name{display:flex;align-items:center;gap:.6rem}
.chain-name span:not(.chain-icon){font-variation-settings:'wdth' 84;font-weight:600;font-size:1.02rem}
.chain-name strong{font-family:var(--mono);font-weight:400;font-size:.8rem;color:var(--acid);margin-left:auto}
.chain-box small{display:block;margin-top:.3rem;font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.06em}
.chain-icon{
  width:26px;height:26px;border-radius:6px;display:grid;place-items:center;font-family:var(--mono);
  font-size:.76rem;font-weight:500;flex:none;
}
.chain-icon.bot{background:var(--acid);color:#131405}
.chain-icon.arb{background:#2b3a5c;color:#9fc0ff}
.chain-icon.base{background:#8ecaff;color:#0b2545}
.chain-icon.arc{background:#c9b6ff;color:#241a3f}
.route-arrow{display:grid;place-items:center;color:var(--acid);opacity:.9}
.chain-select{
  width:100%;margin-top:.8rem;background:var(--ink);color:var(--fg);font-family:var(--mono);font-size:.76rem;
  border:1px solid var(--line);border-radius:6px;padding:.5rem .55rem;cursor:pointer;
}
.chain-select:focus{outline:none;border-color:var(--line-hot)}
.chain-select option{background:var(--ink);color:var(--fg)}
.amount-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1rem;margin-top:1.15rem}
.amount-input{display:flex;align-items:center;gap:.5rem;background:#0d0e0e;border:1px solid var(--line);border-radius:6px;padding:.55rem .7rem;transition:border-color .18s}
.amount-input:focus-within{border-color:var(--line-hot)}
.amount-input input{
  flex:1;min-width:0;background:none;border:0;color:var(--fg);font-family:var(--mono);font-size:1.05rem;
}
.amount-input input:focus{outline:none}
.amount-input span{font-family:var(--mono);font-size:.72rem;color:var(--acid);border-left:1px solid var(--line);padding-left:.6rem}
.balance{display:flex;flex-direction:column;gap:.15rem;justify-content:center;border-left:1px solid var(--line);padding-left:1rem}
.balance span{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.balance strong{font-family:var(--mono);font-weight:400;font-size:.88rem;color:var(--fg)}
.balance .dest-balance-label{margin-top:.6rem}
.hint{margin-top:.85rem;font-size:.86rem;color:var(--muted)}
.transfer-status{margin-top:1.1rem;display:grid;gap:.4rem}
.status-step{
  display:flex;align-items:center;gap:.7rem;font-family:var(--mono);font-size:.76rem;color:var(--dim);
  border-left:2px solid var(--line);padding:.4rem .7rem;background:rgba(255,255,255,.012);
}
.status-step span{
  width:19px;height:19px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:.66rem;flex:none
}
.status-step.active{border-color:var(--line-hot);color:var(--fg)}
.status-step.active span{border-color:var(--acid);color:var(--acid)}
.status-step.done{color:var(--muted)}
.status-step.done span{background:var(--acid);border-color:var(--acid);color:#131405}

/* ---------- rail ---------- */
.rail{display:grid;gap:1.1rem;align-content:start}
.rail-block{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.25rem}
.rail-block.grow .tab-outline{align-self:flex-start}
.facts{display:grid;gap:.85rem}
.facts>div{display:grid;gap:.2rem;padding-bottom:.75rem;border-bottom:1px solid var(--line)}
.facts>div:last-child{border-bottom:0;padding-bottom:0}
.facts dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.facts dd{font-size:.9rem;color:var(--fg);display:flex;align-items:center;gap:.4rem;overflow-wrap:anywhere}
.facts dd.addr{color:var(--acid);font-size:.82rem;font-family:var(--mono)}
.facts dd#last-relay{display:block;line-height:1.45}
.facts dd#last-relay .net{display:block;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.chain-list{display:grid;gap:.6rem}
.chain-list li{display:grid;grid-template-columns:22px 1fr auto;gap:.6rem;align-items:center;list-style:none;font-size:.88rem}
.chain-list .net{display:block;font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.06em}
.chain-list .dom{font-family:var(--mono);font-size:.78rem;color:var(--acid)}
.notes{list-style:none;display:grid;gap:.7rem}
.notes li{font-size:.88rem;color:var(--muted);padding-left:1rem;position:relative}
.notes li:before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;background:var(--acid);border-radius:1px}
.card-notes{grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.25rem;padding-top:1.1rem;border-top:1px solid var(--line)}
.card-notes li{font-size:.8rem;line-height:1.5}

/* ---------- section shell ---------- */
section.steps,section.routes,section.activity{
  max-width:var(--shell);margin:clamp(3.4rem,8vw,6rem) auto 0;padding:0 clamp(1rem,4vw,2.6rem);
}
.section-head{border-top:1px solid var(--line);padding-top:1.4rem;margin-bottom:1.9rem}
.section-head h2{margin:.8rem 0 .55rem}
.section-head p{color:var(--muted);max-width:58ch;font-size:.95rem}
section.activity .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
section.activity .section-head h2{margin-bottom:0}

/* ---------- steps ---------- */
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.step{border:1px solid var(--line);border-radius:10px;padding:1.25rem;background:linear-gradient(180deg,rgba(214,216,20,.035),transparent 55%)}
.step:nth-child(even){transform:translateY(14px)}
.step-num{
  font-family:var(--mono);font-size:1.5rem;font-weight:500;color:transparent;
  -webkit-text-stroke:1px var(--acid);display:block;margin-bottom:.9rem;
}
.step-glyph{display:block;width:30px;height:30px;color:var(--acid);margin-bottom:1rem}
.step-glyph svg{width:100%;height:100%}
.step h3{margin-bottom:.5rem}
.step p{font-size:.86rem;color:var(--muted)}
.step p .mono{color:var(--acid);font-size:.8rem}

/* ---------- routes matrix ---------- */
.matrix-wrap{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.matrix-head,.matrix-row{
  display:grid;grid-template-columns:1.3fr 1.3fr 1.05fr .85fr .55fr;gap:1rem;
  padding:.88rem 1.15rem;align-items:center;
}
.matrix-head{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  border-bottom:1px solid var(--line);background:var(--ink);
}
.matrix-row{border-bottom:1px solid var(--line);font-size:.88rem}
.matrix-row:last-child{border-bottom:0}
.matrix-row:hover{background:rgba(214,216,20,.045)}
.matrix-row .cell-chain{display:flex;align-items:center;gap:.5rem;font-variation-settings:'wdth' 86;font-weight:600}
.matrix-row .cell-chain .chain-icon{width:20px;height:20px;border-radius:4px;font-size:.64rem}
.matrix-row .cell-domain{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.matrix-row .cell-asset{font-family:var(--mono);font-size:.78rem;color:var(--acid)}
.matrix-row .cell-status{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acid)}
.matrix-row .cell-status:before{content:"";display:inline-block;width:5px;height:5px;background:var(--acid);border-radius:50%;margin-right:.4rem}

/* ---------- activity ---------- */
.activity-list{display:grid;gap:.45rem}
.activity-item{
  display:grid;grid-template-columns:26px 1.7fr .8fr .9fr auto;gap:.8rem;align-items:center;
  border:1px solid var(--line);border-radius:8px;padding:.7rem .9rem;background:var(--panel);font-size:.85rem;
}
.activity-item .route{font-family:var(--mono);font-size:.78rem;color:var(--fg)}
.activity-item .status{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acid)}
.activity-item .time{font-family:var(--mono);font-size:.76rem;color:var(--dim)}
.activity-item .tx{font-family:var(--mono);font-size:.68rem;color:var(--acid);border-bottom:1px solid var(--line-hot);padding-bottom:1px}
.skeleton{height:42px;border-radius:8px;background:linear-gradient(90deg,var(--panel),#232424,var(--panel));background-size:200% 100%;animation:sheen 1.3s infinite}
.skeleton.short{width:65%}
@keyframes sheen{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- footer ---------- */
footer{
  max-width:var(--shell);margin:clamp(3rem,7vw,5rem) auto 0;padding:1.6rem clamp(1rem,4vw,2.6rem) 3rem;
  border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;
}
.foot-brand{display:flex;flex-direction:column;gap:.2rem}
.foot-sub{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.foot-links{display:flex;gap:1.1rem;margin-left:auto;font-size:.82rem;color:var(--muted);flex-wrap:wrap}
.foot-links a:hover{color:var(--acid)}
.foot-note{flex-basis:100%;font-size:.76rem;color:var(--dim)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .step:nth-child(even){transform:none}
  .pulse{animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .bridge-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(even){transform:none}
}
@media (max-width:720px){
  .nav{display:none}
  .topbar-right{margin-left:auto}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip>div{padding-left:0}
  .stat-strip>div:nth-child(2){border-right:0}
  .stat-strip>div:nth-child(1),.stat-strip>div:nth-child(2){border-bottom:1px solid var(--line)}
  .bridge-card{padding:1.15rem}
  .route-grid{grid-template-columns:1fr;gap:.6rem}
  .route-arrow{justify-self:center}
  .route-arrow .flip-route{transform:rotate(90deg)}
  .route-arrow .flip-route:hover{transform:rotate(270deg)}
  .amount-row{grid-template-columns:1fr}
  .balance{border-left:0;padding-left:0;margin-top:.6rem}
  .step-row{grid-template-columns:1fr}
  .matrix-head{display:none}
  .matrix-row{grid-template-columns:1fr 1fr;gap:.35rem .8rem;padding:.85rem 1rem}
  .matrix-row .cell-domain{grid-column:1/3}
  .card-notes{grid-template-columns:1fr;gap:.6rem}
  .activity-item{grid-template-columns:22px 1fr auto;gap:.4rem .7rem}
  .activity-item .route{grid-column:2/4}
  .wordmark{-webkit-text-stroke-width:2px}
  .hero .lede{font-size:1rem}
}

/* ============================================================
   INSTRUMENT — drafting-board geometry layer.
   Trestle is a bridge: the visual language is structural
   engineering, not SaaS cards. Keylines, registration ticks,
   dimension rules, hatch fills, mono numerals.
   ============================================================ */
:root{
  --key:rgba(214,216,20,.5);
  --key-hi:rgba(214,216,20,.85);
  --grid:rgba(214,216,20,.05);
  --r-panel:3px;
  --r-chip:2px;
  --tick:9px;
  --rule:1px;
  --num:font-variant-numeric:tabular-nums;
}

/* sharper, flatter surfaces --------------------------------- */
.bridge-card,.rail-block,.info-card,.proof-card,.status-card,.matrix-wrap,.step,.activity-item,.panel{
  border-radius:var(--r-panel);
  background:var(--panel);
  position:relative;
}
.button{border-radius:var(--r-chip);font-variation-settings:'wdth' 84;letter-spacing:.02em;text-transform:uppercase;font-size:.78rem;font-weight:600}
.button.primary{background:var(--acid);color:#131405}
.button.ghost{border-radius:var(--r-chip)}
.button.tiny{border-radius:var(--r-chip);text-transform:uppercase;font-size:.72rem;letter-spacing:.08em}
.pill{border-radius:var(--r-chip)}
.tab-outline{border-radius:var(--r-chip)}
.chain-icon,.chain-select,.amount-input,.chain-box{border-radius:var(--r-chip)}
.status-step{border-radius:0}
.status-step span{border-radius:0}

/* corner registration brackets ------------------------------ */
.reg{--tick:9px;background-image:
  linear-gradient(var(--key),var(--key)),linear-gradient(var(--key),var(--key)),
  linear-gradient(var(--key),var(--key)),linear-gradient(var(--key),var(--key)),
  linear-gradient(var(--key),var(--key)),linear-gradient(var(--key),var(--key)),
  linear-gradient(var(--key),var(--key)),linear-gradient(var(--key),var(--key));
  background-size:var(--tick) var(--rule),var(--rule) var(--tick),var(--tick) var(--rule),var(--rule) var(--tick),var(--tick) var(--rule),var(--rule) var(--tick),var(--tick) var(--rule),var(--rule) var(--tick);
  background-position:0 0,0 0,100% 0,100% 0,0 100%,0 100%,100% 100%,100% 100%;
  background-repeat:no-repeat;pointer-events:none;position:absolute;inset:0}
.reg>*{position:relative;z-index:1}
.bridge-card,.info-card,.proof-card,.status-card,.rail-block,.matrix-wrap{position:relative}
.bridge-card>.reg,.info-card>.reg,.proof-card>.reg,.status-card>.reg,.rail-block>.reg{opacity:.9}

/* hatch fill for inert / placeholder zones ------------------ */
.hatch{background-image:repeating-linear-gradient(45deg,rgba(214,216,20,.11) 0 1px,transparent 1px 7px)}

/* dimension rule with end ticks + mono label ---------------- */
.dimrule{display:flex;align-items:center;gap:.85rem;margin:0 0 1.4rem;color:var(--muted)}
.dimrule:before,.dimrule:after{content:"";height:var(--rule);background:var(--line);flex:1;position:relative}
.dimrule:before{background:linear-gradient(90deg,var(--line),var(--line))}
.dimrule span{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;white-space:nowrap}
.dimrule b{color:var(--acid);font-weight:500}
.tick-ends{position:relative}
.tick-ends:before,.tick-ends:after{content:"";position:absolute;top:-4px;width:var(--rule);height:9px;background:var(--key)}
.tick-ends:before{left:0}.tick-ends:after{right:0}

/* section index numerals ----------------------------------- */
.sec{max-width:var(--shell);margin:clamp(3rem,7vw,5.5rem) auto 0;padding:0 clamp(1rem,4vw,2.6rem)}
.sec-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.4rem;align-items:start;border-top:var(--rule) solid var(--line);padding-top:1.3rem;margin-bottom:1.9rem}
.sec-idx{font-family:var(--mono);font-size:1.9rem;line-height:1;font-weight:500;color:transparent;-webkit-text-stroke:1px var(--key-hi)}
.sec-head .eyebrow{margin-bottom:.6rem}
.sec-head h2{margin:0 0 .5rem}
.sec-head p{color:var(--muted);font-size:.95rem;max-width:58ch}
.sec-head.flip{grid-template-columns:minmax(0,1fr) auto}
.sec-head.flip .sec-idx{order:2;text-align:right}

/* metric / ledger rows -------------------------------------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:var(--rule) solid var(--line);background:var(--panel)}
.metrics>div{padding:1.1rem 1.15rem 1.25rem;border-right:var(--rule) solid var(--line);position:relative}
.metrics>div:last-child{border-right:0}
.metrics dt{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem}
.metrics dd{font-variation-settings:'wdth' 82;font-weight:700;font-size:1.55rem;font-variant-numeric:tabular-nums}
.metrics dd small{font-family:var(--mono);font-size:.7rem;color:var(--dim);margin-left:.3rem;font-variation-settings:normal}
.metrics dd.ok{color:var(--acid)}
.metrics .bar{position:absolute;left:0;bottom:0;height:2px;background:var(--acid);opacity:.75}

.ledger{border:var(--rule) solid var(--line);background:var(--panel)}
.ledger-row{display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center;padding:.95rem 1.1rem;border-bottom:var(--rule) solid var(--line);font-size:.9rem}
.ledger-row:last-child{border-bottom:0}
.ledger-row .glyph{width:20px;height:20px;color:var(--acid)}
.ledger-row .val{font-family:var(--mono);font-size:.8rem;color:var(--acid);font-variant-numeric:tabular-nums;text-align:right}
.ledger-row:hover{background:rgba(214,216,20,.04)}

/* spec table (boundary / security) -------------------------- */
.spec{width:100%;border-collapse:collapse;border:var(--rule) solid var(--line);background:var(--panel)}
.spec th,.spec td{text-align:left;padding:.85rem 1rem;border-bottom:var(--rule) solid var(--line);vertical-align:top;font-size:.88rem}
.spec th{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);background:var(--ink);font-weight:500}
.spec td:first-child{font-family:var(--mono);font-size:.76rem;color:var(--acid);white-space:nowrap;letter-spacing:.06em}
.spec tr:last-child td{border-bottom:0}
.spec td.na{color:var(--muted)}

/* monitor board (status page) ------------------------------- */
.board{display:grid;gap:1.1rem}
.board-top{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:1.1rem;align-items:start}
.gauge-grid{display:grid;grid-template-columns:repeat(3,1fr);border:var(--rule) solid var(--line);background:var(--panel)}
.gauge-grid>div{padding:1rem 1.05rem;border-right:var(--rule) solid var(--line)}
.gauge-grid>div:last-child{border-right:0}
.gauge-grid dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.gauge-grid dd{font-family:var(--mono);font-size:.95rem;font-variant-numeric:tabular-nums}
.gauge-grid dd.ok{color:var(--acid)}
.spark{display:flex;gap:3px;align-items:flex-end;height:34px;margin-top:.9rem}
.spark i{flex:1;background:var(--acid);opacity:.35;min-height:3px}
.spark i:last-child{opacity:.9}

/* route matrix, tighter + technical ------------------------- */
.matrix-row{font-variant-numeric:tabular-nums}
.matrix-row .cell-chain{gap:.55rem}
.matrix-row .cell-status:before{border-radius:0;width:4px;height:4px}

/* editorial rhythm: alternate offset blocks ----------------- */
.offset-a{margin-left:0}
.offset-b{margin-left:clamp(0rem,7vw,7rem)}
.poster{font-variation-settings:'wdth' 78;font-weight:750;font-size:clamp(2rem,6.5vw,4.6rem);line-height:.98;letter-spacing:-.03em;max-width:20ch}
.poster em{font-style:normal;color:var(--acid)}
.statement{border-left:var(--rule) solid var(--key);padding:.2rem 0 .2rem 1.1rem;font-size:1.02rem;color:var(--fg);max-width:64ch}

/* chains list, monogram -> geometric mark ------------------- */
.chain-list li{grid-template-columns:26px 1fr auto}
.chain-icon svg{width:15px;height:15px}
.chain-box .chain-name .chain-icon{width:28px;height:28px}

/* topbar: technical, with tick rule ------------------------- */
.topbar{border-bottom:var(--rule) solid var(--line)}
.brand-mark{color:var(--acid)}
.nav{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;gap:1.15rem}
.nav a{border-bottom:0;padding:.3rem 0;position:relative}
.nav a:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--acid);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav a:hover:after,.nav a.active:after{transform:scaleX(1)}
.nav a.active{color:var(--acid)}
.nav-toggle{border-radius:var(--r-chip)}

/* hero, drafting frames ------------------------------------ */
.hero:before,.hero:after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--key);z-index:2}
.hero:before{left:clamp(1rem,4vw,2.6rem);top:1.4rem;border-right:0;border-bottom:0}
.hero:after{right:clamp(1rem,4vw,2.6rem);bottom:3.2rem;border-left:0;border-top:0}
.wordmark{-webkit-text-stroke-width:2px}

/* ico wrapper ---------------------------------------------- */
.ico{display:inline-flex;align-items:center;justify-content:center;line-height:0}
.ico svg{width:1em;height:1em}
.button .ico,.text-link .ico{width:1.05em;height:1.05em}
.button.primary .ico,.button.ghost .ico,.button.tiny .ico{margin-left:.35rem}
.flip-route .ico svg{width:20px;height:20px}

/* responsive ----------------------------------------------- */
@media (max-width:1024px){
  .board-top{grid-template-columns:1fr}
  .gauge-grid{grid-template-columns:repeat(2,1fr)}
  .gauge-grid>div:nth-child(2n){border-right:0}
  .offset-b{margin-left:0}
}
@media (max-width:860px){
  .sec-head,.sec-head.flip{grid-template-columns:1fr}
  .sec-head.flip .sec-idx{order:0;text-align:left}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metrics>div:nth-child(2n){border-right:0}
  .metrics>div:nth-child(-n+2){border-bottom:var(--rule) solid var(--line)}
  .page-grid,.page-grid.two,.status-grid,.home-proof{grid-template-columns:1fr}
  .page-hero h1{max-width:18ch}
}
@media (max-width:720px){
  .nav-toggle{display:inline-flex}
  .topbar{flex-wrap:wrap}
  .nav{display:none;width:100%;order:5;margin-left:0;flex-direction:column;border-top:var(--rule) solid var(--line);padding-top:.8rem}
  .nav.open{display:flex}
  .topbar-right .pill{display:none}
  .gauge-grid{grid-template-columns:1fr}
  .gauge-grid>div{border-right:0;border-bottom:var(--rule) solid var(--line)}
  .gauge-grid>div:last-child{border-bottom:0}
  .hero:before,.hero:after{display:none}
  .nav a:after{display:none}
}

/* ---------- page shells (shared) ---------- */
.page-hero{max-width:var(--shell);margin:0 auto;padding:clamp(2.6rem,6vw,4.4rem) clamp(1rem,4vw,2.6rem) .6rem;position:relative;z-index:1}
.page-kicker{font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--acid);margin-bottom:1.1rem;display:flex;align-items:center;gap:.6rem}
.page-kicker:after{content:"";flex:1;height:var(--rule);background:linear-gradient(90deg,var(--key),transparent)}
.page-hero h1{max-width:19ch;margin-bottom:1rem}
.page-hero .lede{max-width:66ch}
.page-actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.7rem}
.page-shell{max-width:var(--shell);margin:clamp(1.8rem,4vw,3rem) auto 0;padding:0 clamp(1rem,4vw,2.6rem)}
.page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.page-grid.two{grid-template-columns:repeat(2,1fr)}
.info-card,.proof-card,.status-card{padding:1.2rem}
.info-card h3,.proof-card h3,.status-card h3{margin:.7rem 0 .45rem;font-size:1rem}
.info-card p,.proof-card p,.status-card p{color:var(--muted);font-size:.88rem}
.info-card .glyph{width:22px;height:22px;color:var(--acid);margin-bottom:.2rem}
.big-metric{font-variation-settings:'wdth' 80;font-size:clamp(1.7rem,3.6vw,2.7rem);font-weight:750;color:var(--acid);line-height:1;font-variant-numeric:tabular-nums}
.metric-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-top:.6rem}
.status-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:1.1rem;align-items:start}
.status-stack{display:grid;gap:1rem}
.kv{display:grid;gap:.65rem}
.kv div{display:flex;justify-content:space-between;gap:1rem;border-bottom:var(--rule) solid var(--line);padding-bottom:.55rem}
.kv dt{font-family:var(--mono);font-size:.68rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.kv dd{font-family:var(--mono);font-size:.8rem;color:var(--fg);text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.kv dd.good{color:var(--acid)}
.address-list{display:grid;gap:.7rem}
.address-list li{list-style:none;border:var(--rule) solid var(--line);padding:.85rem;background:var(--panel-2)}
.address-list strong{display:block;margin-bottom:.35rem}
.address-list code{font-family:var(--mono);font-size:.76rem;color:var(--acid);overflow-wrap:anywhere}
.docs-block{border-top:var(--rule) solid var(--line);padding-top:1.3rem;margin-top:1.8rem}
.docs-block h2{font-size:1.35rem;margin-bottom:.9rem}
.docs-block pre{background:#0d0e0e;border:var(--rule) solid var(--line);padding:1rem;overflow:auto;color:var(--acid);font-family:var(--mono);font-size:.8rem;line-height:1.75}
.docs-block ul{display:grid;gap:.5rem;margin-top:.8rem}
.docs-block li{list-style:none;color:var(--muted);font-size:.9rem}
.docs-block li:before{content:"—";color:var(--acid);margin-right:.5rem}
.home-proof{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.2rem}
.home-proof .proof-card{min-height:158px}
.bridge-page .bridge-grid{margin-top:.8rem}
.bridge-page .activity{margin-top:2rem}
@media (max-width:720px){
  .page-actions .button{width:100%}
}

/* ---------- instrument details ---------- */
.matrix-row .arrow,.cell-domain .arrow,.cell-asset .arrow{width:12px;height:12px;display:inline-block;vertical-align:-1px;margin:0 .4rem;color:var(--dim);opacity:.75}
.metrics dd .pulse{display:inline-block;vertical-align:middle;margin-right:.45rem}
.metrics dd.sm{font-size:1rem;font-family:var(--mono);font-weight:400}
.gauge-grid dd .pulse{display:inline-block;vertical-align:middle;margin-right:.4rem}
.activity-item .chain-icon svg{width:15px;height:15px}
.ledger-row .glyph svg{width:18px;height:18px}
.info-card .glyph svg{width:22px;height:22px}
.nav-toggle .ico svg{width:16px;height:16px}
.nav-toggle{display:none;align-items:center;gap:.4rem}
@media (max-width:720px){.nav-toggle{display:inline-flex}}
.brand-mark svg{width:100%;height:100%}

h1.poster{margin-top:.2rem;max-width:20ch}
.hero-lede{margin-top:1.1rem}

/* spec tables stack on small screens — 3-4 prose columns cannot shrink */
@media (max-width:760px){
  .spec,.spec tbody,.spec tr,.spec td,.spec th{display:block;width:100%}
  .spec{border:var(--rule) solid var(--line);background:var(--panel)}
  .spec th{display:none}
  .spec tr{border-bottom:var(--rule) solid var(--line);padding:.7rem .95rem}
  .spec tr:last-child{border-bottom:0}
  .spec td{border:0;padding:.3rem 0;font-size:.86rem}
  .spec td:first-child{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acid)}
  .spec td:first-child:after{content:"";display:block;height:1px;background:var(--line-soft);margin-top:.45rem}
  .matrix-row .cell-domain,.matrix-row .cell-asset{font-size:.74rem}
}

/* ---------- responsive overrides (must stay last) ---------- */
@media (max-width:860px){
  .page-grid,.page-grid.two,.status-grid,.home-proof,.board-top{grid-template-columns:1fr}
}
@media (max-width:720px){
  .dimrule{flex-wrap:wrap;gap:.45rem .8rem}
  .dimrule span{white-space:normal}
  .dimrule:before,.dimrule:after{display:none}
  .page-kicker:after{display:none}
  .metrics dd{font-size:1.35rem}
  .big-metric{font-size:2rem}
  .poster{font-size:clamp(1.9rem,8vw,2.6rem)}
}