/* ============================================================
   ARCHON — The Sovereign Agent Fabric
   Design direction: "The Open Kernel"
   Warm bone paper, hairline ink, one oxide-red accent.
   Every surface is a technical plate; every control is a stamp.
   ============================================================ */

:root{
  --paper:#E8E1D2;
  --paper-hi:#F1EBDE;
  --paper-lo:#DDD4C0;
  --ink:#17140D;
  --ink-2:#2E2A20;
  --muted:#5B5546;
  --muted-2:#746D5B;
  --rule:rgba(23,20,13,.26);
  --rule-soft:rgba(23,20,13,.12);
  --oxide:#9E2B1B;
  --oxide-hi:#C24A32;
  --oxide-soft:rgba(158,43,27,.10);
  --carbon:#14120C;
  --carbon-2:#1B1811;
  --bone:#E9E2D3;
  --bone-muted:#A39A86;
  --mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --serif:"Instrument Serif", "Times New Roman", serif;
  --sans:"Inter", -apple-system, Helvetica, Arial, sans-serif;
  --head-h:64px;
  --gutter:40px;
  --maxw:1440px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--paper)}
body{
  background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.05;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--oxide);color:var(--paper-hi)}
img,svg{display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--oxide);outline-offset:2px}
.code-card :focus-visible,.closing :focus-visible{outline-color:var(--oxide-hi)}
a{color:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono)}

/* ---------- boot screen ---------- */
.boot-screen{position:fixed;inset:0;z-index:400;background:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;transition:opacity .4s ease,visibility .4s}
.boot-screen.is-done{opacity:0;visibility:hidden}
.bs-mark{font-family:var(--serif);font-size:36px;letter-spacing:.26em;padding-left:.26em}
.bs-line{width:200px;height:1px;background:var(--rule);position:relative;overflow:hidden}
.bs-line::after{content:"";position:absolute;inset:0 auto 0 0;width:0;background:var(--oxide);animation:bootLoad .6s ease forwards}
.bs-meta{font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
@keyframes bootLoad{to{width:100%}}
body.booting{overflow:hidden}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:100;height:var(--head-h);
  background:rgba(232,225,210,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule);
}
.site-head .wrap{height:100%;display:flex;align-items:center;gap:36px}
.brand{display:flex;align-items:baseline;gap:14px;text-decoration:none;white-space:nowrap}
.brand .mark{font-family:var(--serif);font-size:25px;letter-spacing:.2em;line-height:1}
.brand .mark::before{content:"";display:inline-block;width:7px;height:7px;background:var(--oxide);margin-right:12px;transform:translateY(-3px) rotate(45deg)}
.brand .tag{font-family:var(--mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-2);text-decoration:none;padding:8px 0;border-bottom:1px solid transparent;position:relative;
}
.nav a::before{content:"";position:absolute;left:0;right:100%;bottom:-1px;height:1px;background:var(--ink);transition:right .25s ease}
.nav a:hover::before,.nav a.is-current::before{right:0}
.nav a:hover,.nav a.is-current{color:var(--ink)}
.head-meta{display:flex;align-items:center;gap:16px;padding-left:26px;border-left:1px solid var(--rule)}
.ver{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted)}
.btn-ghost{
  font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink);background:transparent;border:1px solid var(--ink);padding:9px 14px;
  cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:background .18s,color .18s;
}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.menu-btn{display:none;width:40px;height:36px;border:1px solid var(--ink);background:none;cursor:pointer;position:relative;flex:none}
.menu-btn span{position:absolute;left:10px;right:10px;height:1px;background:var(--ink);transition:transform .2s,opacity .2s}
.menu-btn span:nth-child(1){top:13px}
.menu-btn span:nth-child(2){top:18px}
.menu-btn span:nth-child(3){top:23px}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;left:0;right:0;top:var(--head-h);bottom:0;z-index:99;background:var(--paper);border-bottom:1px solid var(--ink);padding:8px 20px 24px;overflow-y:auto}
body.nav-open{overflow:hidden}
.mobile-nav.is-open{display:flex;flex-direction:column}
.mobile-nav a{display:flex;justify-content:space-between;align-items:center;padding:14px 2px;border-bottom:1px solid var(--rule-soft);font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;text-decoration:none}
.mobile-nav a span{color:var(--muted);font-size:9px}
.mnav-foot{margin-top:auto;border-top:1px solid var(--rule);padding-top:14px;display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);position:relative;z-index:1}
.mnav-plate{position:absolute;right:-90px;bottom:-60px;width:460px;height:460px;opacity:.06;pointer-events:none;z-index:0}
.mnav-plate svg{width:100%;height:100%}
.mnav-cta{position:relative;z-index:1;margin-top:30px;padding-top:18px;border-top:1px solid var(--rule)}
.mnav-kicker{font-family:var(--mono);font-size:8.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.mnav-cta p{margin-top:8px;font-size:13px;line-height:1.55;color:var(--ink-2);max-width:280px}
.mnav-cta .btn{margin-top:14px;width:100%;justify-content:space-between}

/* ---------- generic type ---------- */
h1,h2,h3{font-weight:400}
.h-serif{font-family:var(--serif);letter-spacing:-.018em;line-height:.95}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-2)}
.eyebrow .sq{width:5px;height:5px;background:var(--oxide);flex:none}
.eyebrow .dim{color:var(--muted)}
.rule{height:1px;background:var(--rule);border:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:14px;
  background:var(--ink);color:var(--paper-hi);border:1px solid var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  padding:14px 18px;text-decoration:none;cursor:pointer;transition:background .18s,color .18s,transform .08s;
}
.btn:hover{background:#2E2A20;border-color:var(--ink);color:var(--paper-hi)}
.btn:active{transform:translateY(1px)}
.btn:disabled{background:var(--muted);border-color:var(--muted);cursor:progress}
.btn svg{flex:none;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-quiet{
  background:none;border:1px solid transparent;color:var(--muted);
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:10px 6px;cursor:pointer;border-bottom:1px solid var(--rule);
}
.btn-quiet:hover{color:var(--ink);border-bottom-color:var(--ink)}
.btn-quiet:disabled{opacity:.4;cursor:default}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:calc(100vh - var(--head-h));min-height:calc(100svh - var(--head-h));
  padding:0 var(--gutter) 54px;overflow:hidden;border-bottom:1px solid var(--ink);
}
.hero-plate{
  position:absolute;right:10px;top:0;width:800px;height:800px;
  color:var(--ink);z-index:0;pointer-events:none;
  transform-origin:60% 50%;
}
.hero-plate svg{width:100%;height:100%}
.hero-plate .plate-deg{font-family:var(--mono);font-size:6.4px;letter-spacing:.05em;fill:currentColor;opacity:.62}
.hero-plate .plate-tiny{font-family:var(--mono);font-size:6.6px;letter-spacing:.1em;fill:currentColor;opacity:.78}
.hero-plate .plate-no{font-family:var(--mono);font-size:6.5px;letter-spacing:.16em;fill:currentColor;opacity:.62}
.hero-plate .plate-name{font-family:var(--mono);font-size:7.2px;letter-spacing:.15em;fill:currentColor}
.hero-plate .plate-caption{font-family:var(--mono);font-size:7px;letter-spacing:.18em;fill:currentColor}
.hero-plate .plate-stamp-line{font-family:var(--mono);font-size:8px;letter-spacing:.14em}
.hero-plate .chamber.is-accent{color:var(--oxide)}
.hero-plate .plate-weave{opacity:.13}

/* perimeter notation laid over the plate */
.plate-perimeter{position:absolute;right:360px;top:120px;bottom:80px;width:1px;display:none}
.hero-inner{position:relative;z-index:3;max-width:610px;padding-top:52px}
.hero h1{
  font-family:var(--serif);font-size:clamp(56px,6.1vw,88px);line-height:.94;letter-spacing:-.018em;
  margin-top:24px;color:var(--ink);
}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.hero h1 .line-inner{display:block;will-change:transform}
.hero h1 .it{font-style:italic;position:relative;white-space:nowrap}
.hero h1 .it::after{content:"";position:absolute;left:2px;right:6px;bottom:.085em;height:1.5px;background:var(--oxide)}
.hero .lede{margin-top:24px;max-width:486px;font-size:15.5px;line-height:1.62;color:var(--ink-2)}
.hero .lede strong{font-weight:500;color:var(--ink)}
.hero .cta-row{display:flex;align-items:center;gap:24px;margin-top:26px;flex-wrap:wrap}
.link-quiet{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:3px}
.link-quiet:hover{border-bottom-color:var(--oxide);color:var(--oxide)}

/* installation terminal */
.terminal{
  position:absolute;left:var(--gutter);bottom:60px;width:548px;z-index:6;
  background:rgba(241,235,222,.9);border:1px solid var(--ink);
  box-shadow:7px 7px 0 rgba(23,20,13,.10);
}
.terminal::before,.terminal::after{content:"";position:absolute;width:9px;height:9px;border:1px solid var(--ink);background:var(--paper);z-index:2}
.terminal::before{left:-5px;top:-5px}
.terminal::after{right:-5px;bottom:-5px}
.term-head{display:flex;justify-content:space-between;align-items:center;padding:11px 15px;border-bottom:1px solid var(--rule)}
.term-kicker{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase}
.term-state{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.term-state i{width:5px;height:5px;background:var(--muted);border-radius:50%;display:block;flex:none}
.term-tabs{display:flex;border-bottom:1px solid var(--rule)}
.term-tabs button{
  flex:1;background:transparent;border:0;border-right:1px solid var(--rule-soft);padding:10px 8px;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);cursor:pointer;
  border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,background .15s;
}
.term-tabs button:last-child{border-right:0}
.term-tabs button:hover{color:var(--ink)}
.term-tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--oxide);background:rgba(23,20,13,.04)}
.term-body{display:flex;align-items:stretch;border-bottom:1px solid var(--rule-soft)}
.term-cmd{display:flex;align-items:center;gap:10px;padding:15px;min-width:0;flex:1;background:rgba(23,20,13,.035)}
.prompt{font-family:var(--mono);font-size:12px;color:var(--oxide);flex:none}
.term-cmd code{font-family:var(--mono);font-size:12.5px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.term-cmd code::selection{background:var(--oxide);color:var(--paper)}
.copy{
  border:0;border-left:1px solid var(--rule);background:var(--paper-hi);padding:0 16px;cursor:pointer;
  display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:9.5px;letter-spacing:.13em;color:var(--ink);
  text-transform:uppercase;transition:background .15s,color .15s;flex:none;
}
.copy:hover{background:var(--ink);color:var(--paper)}
.copy.is-copied{background:var(--oxide);color:var(--paper)}
.copy svg{width:13px;height:13px}
.term-foot{display:flex;justify-content:space-between;gap:12px;padding:9px 15px;font-family:var(--mono);font-size:8.5px;letter-spacing:.06em;color:var(--muted)}
.term-foot .ok{color:var(--oxide)}
.term-status{min-height:1em;transition:color .15s}

/* hero rail */
.hero-rail{
  position:absolute;left:0;right:0;bottom:0;height:54px;z-index:8;
  display:flex;align-items:center;padding:0 var(--gutter);
  border-top:1px solid var(--ink);background:var(--paper);
}
.hero-rail .fact{
  display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:9px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-2);padding-right:26px;margin-right:26px;border-right:1px solid var(--rule);
  white-space:nowrap;
}
.hero-rail .fact:last-of-type{border-right:0}
.hero-rail .fact b{font-weight:500;color:var(--ink)}
.hero-rail .fact .n{color:var(--oxide);font-weight:500}
.hero-rail .right{margin-left:auto;font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:#4F4A3C;display:flex;align-items:center;gap:8px;white-space:nowrap}
.hero-rail .right svg{width:11px;height:11px;flex:none}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section{position:relative;padding:96px 0 100px;border-top:1px solid var(--ink);scroll-margin-top:var(--head-h)}
.section.tint{background:var(--paper-hi)}
.sec-head{display:grid;grid-template-columns:210px minmax(0,1fr);gap:40px;align-items:start;margin-bottom:44px}
.sec-index{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);padding-top:14px}
.sec-index .sq{width:5px;height:5px;background:var(--ink);flex:none}
.sec-index .dim{color:#555040}
.sec-title{font-family:var(--serif);font-size:clamp(40px,4.5vw,64px);line-height:.98;letter-spacing:-.018em;max-width:900px}
.sec-title em{font-style:italic}
.sec-sub{margin-top:18px;max-width:640px;font-size:15.5px;line-height:1.65;color:var(--ink-2)}
.sec-sub b{font-weight:500;color:var(--ink)}
.sec-aside{margin-top:16px;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;line-height:1.8;color:var(--muted);text-transform:uppercase}
.sec-aside span{color:var(--oxide)}

/* ============================================================
   01 — EXECUTION TRACE
   ============================================================ */
.trace-board{border:1px solid var(--ink);background:var(--paper);box-shadow:8px 8px 0 rgba(23,20,13,.06)}
.trace-bar{display:flex;align-items:center;gap:18px;padding:14px 18px;border-bottom:1px solid var(--ink);background:var(--paper-hi);flex-wrap:wrap}
.run-chip{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2)}
.run-chip .dot{width:6px;height:6px;background:var(--rule);border-radius:50%;flex:none;transition:background .2s}
.run-chip.is-running .dot{background:var(--oxide);animation:ledPulse 1s infinite}
.run-chip b{font-weight:500;color:var(--ink);letter-spacing:.1em}
.trace-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.trace-actions .btn{padding:11px 16px}
.trace-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);min-height:430px}
.pipeline{padding:0;border-right:1px solid var(--ink);display:flex;flex-direction:column}
.stage{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:16px;align-items:start;
  padding:20px 20px 20px 0;border-bottom:1px solid var(--rule);position:relative;transition:background .25s;
}
.stage:last-child{border-bottom:0}
.stage .stage-rail{position:relative;display:flex;justify-content:center;align-self:stretch}
.stage .stage-num{
  width:34px;height:34px;border:1px solid var(--rule);display:grid;place-items:center;
  font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--muted);background:var(--paper);
  position:relative;z-index:2;transition:background .2s,color .2s,border-color .2s;
}
.stage .stage-body h3{font-family:var(--serif);font-size:27px;line-height:1.05;letter-spacing:-.01em;transition:color .2s}
.stage .stage-body p{font-size:12.5px;line-height:1.55;color:var(--muted);margin-top:5px;max-width:400px}
.stage .stage-meta{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;font-family:var(--mono);font-size:8.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);opacity:1;transition:opacity .2s,color .2s}
.stage .stage-meta span{border:1px solid var(--rule-soft);padding:4px 7px}
.stage .stage-state{
  font-family:var(--mono);font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:7px;padding-top:10px;white-space:nowrap;
}
.stage .stage-state i{width:5px;height:5px;background:var(--rule);border-radius:50%;display:block;transition:background .2s}
.stage.is-active{background:rgba(158,43,27,.055)}
.stage.is-active .stage-num{background:var(--oxide);border-color:var(--oxide);color:var(--paper)}
.stage.is-active .stage-state{color:var(--oxide)}
.stage.is-active .stage-state i{background:var(--oxide);animation:ledPulse 1s ease-in-out infinite}
.stage.is-active .stage-meta{color:var(--ink-2)}
.stage.is-done .stage-num{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.stage.is-done .stage-state{color:var(--ink)}
.stage.is-done .stage-state i{background:var(--ink)}
.stage.is-done .stage-meta{color:var(--ink-2)}
.stage.is-done .stage-meta span{border-color:var(--rule)}
@keyframes ledPulse{0%,100%{opacity:1}50%{opacity:.25}}
.workers{display:flex;gap:7px;margin-top:11px;flex-wrap:wrap}
.worker{
  display:flex;align-items:center;gap:6px;border:1px solid var(--rule);padding:5px 8px;
  font-family:var(--mono);font-size:8px;letter-spacing:.07em;color:var(--muted);background:var(--paper);
  transition:background .2s,color .2s,border-color .2s;
}
.worker i{width:4px;height:4px;background:var(--rule);border-radius:50%;display:block}
.worker.on{border-color:var(--ink);color:var(--ink);background:rgba(23,20,13,.04)}
.worker.on i{background:var(--oxide);animation:ledPulse .8s ease-in-out infinite}
.worker.done{border-color:var(--ink);color:var(--ink)}
.worker.done i{background:var(--ink);animation:none}

/* event bus */
.eventbus{display:flex;flex-direction:column;background:var(--carbon);color:var(--bone);min-height:0}
.ev-head{display:flex;align-items:center;gap:12px;padding:13px 16px;border-bottom:1px solid rgba(233,226,211,.16);font-family:var(--mono);font-size:8.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--bone-muted)}
.ev-head b{color:var(--bone);font-weight:400;letter-spacing:.1em}
.ev-head .live{margin-left:auto;color:var(--bone);display:flex;align-items:center;gap:6px}
.ev-head .live i{width:4px;height:4px;border-radius:50%;background:var(--bone-muted);animation:none}
.ev-log{flex:1;overflow-y:auto;padding:8px 0;font-family:var(--mono);font-size:10px;line-height:1.5;letter-spacing:-.005em;min-height:300px;max-height:352px;scrollbar-width:thin;scrollbar-color:rgba(233,226,211,.25) transparent}
.ev-log::-webkit-scrollbar{width:5px}
.ev-log::-webkit-scrollbar-thumb{background:rgba(233,226,211,.25)}
.evline{display:grid;grid-template-columns:70px 92px minmax(0,1fr);gap:8px;padding:4px 16px;border-left:2px solid transparent;animation:evIn .25s ease both}
.evline .t{color:#C3BAA6}
.evline .topic{color:var(--bone)}
.evline .msg{color:#C3BAA6;word-break:break-word}
.evline.is-key{background:rgba(194,74,50,.10)}
.evline.is-key .t::before{content:"▸ ";color:var(--bone-muted)}
.evline.is-key .topic{color:#F0E7D4;font-weight:500}
.evline.is-ok .topic{color:#B9D8A8}
.evline.is-muted{opacity:.55}
@keyframes evIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.ev-foot{border-top:1px solid rgba(233,226,211,.16);padding:10px 16px;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-family:var(--mono);font-size:8px;letter-spacing:.07em;color:var(--bone-muted);text-transform:uppercase}
.ev-foot b{display:block;color:var(--bone);font-weight:400;font-size:10px;letter-spacing:.04em;margin-top:2px}

/* ledger strip (stolen from the ledger direction, rebuilt for the trace) */
.ledger{border-top:1px solid var(--ink);background:var(--paper-hi)}
.ledger-head{display:flex;align-items:center;gap:16px;padding:10px 18px;border-bottom:1px solid var(--rule);font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);flex-wrap:wrap}
.ledger-head b{color:var(--ink);font-weight:500}
.ledger-head .right{margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--ink-2)}
.ledger-head .right i{width:5px;height:5px;border-radius:50%;background:var(--rule);display:block;transition:background .2s}
.ledger-head .right.is-live i{background:var(--oxide);animation:ledPulse 1s infinite}
.ledger-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr))}
.ledger-cell{border-right:1px solid var(--rule-soft);padding:11px 12px 12px;min-height:106px;display:flex;flex-direction:column;gap:5px;position:relative;transition:background .2s}
.ledger-cell:last-child{border-right:0}
.ledger-cell .seq{font-family:var(--mono);font-size:8px;letter-spacing:.12em;color:var(--muted)}
.ledger-cell .ts{font-family:var(--mono);font-size:8px;letter-spacing:.03em;color:#5F5949}
.ledger-cell .what{font-size:10.5px;line-height:1.3;font-weight:500;letter-spacing:-.01em;color:var(--muted)}
.ledger-cell .seal{
  margin-top:auto;width:40px;height:40px;border:1px solid var(--rule);border-radius:50%;
  display:grid;place-items:center;font-family:var(--mono);font-size:9px;letter-spacing:.01em;line-height:1.02;
  text-align:center;color:var(--muted);transform:rotate(-8deg);transition:all .25s;
}
.ledger-cell.blank{background:rgba(23,20,13,.02)}
.ledger-cell.blank .what{color:#5A5445}
.ledger-cell.is-done{background:rgba(23,20,13,.025)}
.ledger-cell.is-done .what{color:var(--ink)}
.ledger-cell.is-done .seal{border-color:var(--ink);color:var(--ink);transform:rotate(-8deg) scale(1)}
.ledger-cell.is-live{background:var(--oxide-soft)}
.ledger-cell.is-live .what{color:var(--ink)}
.ledger-cell.is-live .seal{background:var(--oxide);border-color:var(--oxide);color:var(--paper);transform:rotate(6deg) scale(1.06)}
.ledger-cell.is-live .seq{color:var(--oxide)}
.ledger-cell.is-pinned{background:var(--oxide-soft)}
.ledger-cell.is-pinned .what{color:var(--ink)}
.ledger-cell.is-pinned .seq,.ledger-cell.is-pinned .ts{color:var(--oxide)}
.ledger-cell.is-pinned:not(.is-done):not(.is-live) .seal{opacity:1}
.ledger-cell.is-pinned .seal{border-color:var(--oxide);color:var(--oxide);background:transparent;transform:rotate(-8deg)}
.ledger-cell.is-pinned .cursor{display:none}
.run-chip.is-done .dot{background:var(--ink)}
.ledger-head .right.is-done i{background:var(--ink)}
.ledger-cell .cursor{position:absolute;left:12px;bottom:48px;width:6px;height:11px;background:var(--ink);display:none;animation:blink 1.1s steps(1) infinite}
.ledger-cell.is-live .cursor{display:block}
@keyframes blink{50%{opacity:0}}
.trace-foot{display:flex;gap:26px;align-items:center;padding:11px 18px;border-top:1px solid var(--rule);font-family:var(--mono);font-size:8.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);flex-wrap:wrap}
.trace-foot b{color:var(--ink);font-weight:400;letter-spacing:.05em}
.trace-foot .push{margin-left:auto;color:var(--muted)}

/* ============================================================
   WEAVE — scroll-driven interlude
   ============================================================ */
.weave{position:relative;border-top:1px solid var(--ink);background:var(--ink);color:var(--bone);overflow:hidden}
.weave-pin{min-height:calc(100vh - var(--head-h));min-height:calc(100svh - var(--head-h));display:flex;align-items:center;padding:72px 0 64px}
.weave .wrap{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:40px;align-items:center;width:100%}
.weave-copy .eyebrow{color:var(--bone-muted)}
.weave-copy .eyebrow .dim{color:#A39A86}
.weave-copy .eyebrow .sq{background:var(--oxide-hi)}
.weave-copy h2{font-family:var(--serif);font-size:clamp(44px,4.6vw,70px);line-height:.96;letter-spacing:-.018em;margin-top:22px}
.weave-copy h2 em{font-style:italic;color:#D8C7AE}
.weave-copy p{margin-top:22px;max-width:420px;font-size:15px;line-height:1.65;color:#BFB6A2}
.weave-copy p b{color:var(--bone);font-weight:500}
.weave-legend{margin-top:30px;display:flex;flex-direction:column;gap:0;border-top:1px solid rgba(233,226,211,.2);max-width:420px}
.weave-legend div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid rgba(233,226,211,.12);font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--bone-muted)}
.weave-legend div span:last-child{color:var(--bone)}
.weave-stage{position:relative;width:100%;max-width:720px;justify-self:end}
.weave-stage svg{width:100%;height:auto;overflow:visible}
.weave-stage .warp{stroke:rgba(233,226,211,.55);stroke-width:1}
.weave-stage .weft{stroke:rgba(194,74,50,.9);stroke-width:1.1}
.weave-stage .frame{stroke:rgba(233,226,211,.22);stroke-width:.8;fill:none}
.weave-stage .core{fill:none;stroke:var(--bone);stroke-width:1.2}
.weave-stage .core-fill{fill:rgba(233,226,211,.05)}
.weave-stage .wnode{fill:var(--oxide-hi)}
.weave-mod{opacity:1}
.weave-mod text{font-family:var(--mono);font-size:8.5px;letter-spacing:.13em;fill:var(--bone)}
.weave-mod .mnum{fill:var(--bone-muted);font-size:7.5px}
.weave-mod line{stroke:rgba(233,226,211,.3);stroke-width:.7}
.weave-stage .wcap{font-family:var(--mono);font-size:7.5px;letter-spacing:.14em;fill:var(--bone-muted)}

/* ============================================================
   02 — KERNEL
   ============================================================ */
.kernel-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:0;border:1px solid var(--ink);background:var(--paper)}
.topology-stage{position:relative;min-height:540px;border-right:1px solid var(--ink);overflow:hidden;background:
  linear-gradient(var(--rule-soft) 1px,transparent 1px) 0 0/40px 40px,
  linear-gradient(90deg,var(--rule-soft) 1px,transparent 1px) 0 0/40px 40px;}
.topo-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.topo-lines line,.topo-lines path{stroke:rgba(23,20,13,.28);stroke-width:1;fill:none;transition:stroke .2s,stroke-width .2s;vector-effect:non-scaling-stroke}
.topo-lines line.is-on{stroke:var(--oxide);stroke-width:1.6}
.topo-core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:158px;height:158px;border-radius:50%;
  border:1px solid var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  background:var(--paper);z-index:2;text-align:center;
}
.topo-core::before{content:"";position:absolute;inset:9px;border:1px solid var(--rule);border-radius:50%}
.topo-core::after{content:"";position:absolute;inset:28px;border:1px dashed var(--rule);border-radius:50%;animation:slowSpin 80s linear infinite}
@keyframes slowSpin{to{transform:rotate(360deg)}}
.topo-core b{font-family:var(--mono);font-size:9px;letter-spacing:.18em;font-weight:500;position:relative}
.topo-core span{font-family:var(--mono);font-size:7px;letter-spacing:.09em;color:var(--muted);position:relative;text-transform:uppercase}
.knode{
  position:absolute;z-index:3;transform:translate(-50%,-50%);width:118px;height:118px;border-radius:50%;
  background:var(--paper);border:1px solid var(--rule);padding:10px 8px;cursor:pointer;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  transition:background .18s,border-color .18s,color .18s,transform .18s;
}
.knode::before{content:"";position:absolute;inset:5px;border:1px solid var(--rule-soft);border-radius:50%;pointer-events:none;transition:border-color .18s}
.knode::after{
  content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;opacity:.7;
  background-image:repeating-linear-gradient(45deg,transparent 0 5px,rgba(23,20,13,.035) 5px 6px);
}
.knode > *{position:relative;z-index:1}
.knode:hover{background:var(--paper-hi);border-color:var(--ink);transform:translate(-50%,-50%) translateY(-2px)}
.knode:focus-visible{outline:2px solid var(--oxide);outline-offset:2px}
.knode .knum{font-family:var(--mono);font-size:7px;letter-spacing:.16em;color:var(--muted);display:flex;align-items:center;gap:5px}
.knode .knum i{width:4px;height:4px;border-radius:50%;background:var(--rule);display:block;transition:background .18s}
.knode .kglyph{width:19px;height:19px;color:var(--muted);margin:1px 0 0}
.knode .kname{font-family:var(--mono);font-size:9px;letter-spacing:.07em;text-transform:uppercase;line-height:1.2;max-width:94px}
.knode[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.knode[aria-pressed="true"]::before{border-color:rgba(233,226,211,.28)}
.knode[aria-pressed="true"]::after{opacity:0}
.knode[aria-pressed="true"] .knum{color:#C9BFA9}
.knode[aria-pressed="true"] .knum i{background:var(--oxide-hi)}
.knode[aria-pressed="true"] .kglyph{color:var(--oxide-hi)}
.topo-note{position:absolute;font-family:var(--mono);font-size:7.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);z-index:2}
.topo-note.tl{left:16px;top:14px}
.topo-note.tr{right:16px;top:14px;color:var(--muted)}
.topo-note.bl{left:16px;bottom:14px}
.topo-note.br{right:16px;bottom:14px}
.ingress{position:absolute;left:0;top:50%;display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:7.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding-left:14px;z-index:2}
.ingress::before{content:"";width:28px;height:1px;background:var(--ink)}
.ingress::after{content:"";width:17px;height:17px;border:1px solid var(--ink);position:absolute;left:16px;border-radius:50%}
.inspector{padding:26px 28px 22px;display:flex;flex-direction:column;background:var(--paper-hi);transition:opacity .16s,transform .16s}
.inspector.is-swapping{opacity:.2;transform:translateY(3px)}
.insp-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:8.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--rule)}
.insp-head .stamp{border:1px solid var(--oxide);color:var(--oxide);padding:3px 6px;font-size:7.5px;letter-spacing:.12em;transform:rotate(-3deg)}
.inspector h3{font-family:var(--serif);font-size:36px;line-height:1.02;letter-spacing:-.01em;margin-top:16px}
.insp-sub{font-family:var(--mono);font-size:8.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.insp-rows{margin-top:20px;display:flex;flex-direction:column}
.insp-row{display:grid;grid-template-columns:88px minmax(0,1fr);gap:14px;padding:11px 0;border-top:1px solid var(--rule-soft)}
.insp-row dt{font-family:var(--mono);font-size:8px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);padding-top:2px}
.insp-row dd{font-size:13px;line-height:1.55;color:var(--ink-2);max-width:62ch}
.insp-row dd code{font-family:var(--mono);font-size:11px;color:var(--ink);background:rgba(23,20,13,.045);padding:1px 4px}
.insp-sig{margin-top:16px;background:var(--carbon);color:#DDD4C0;padding:13px 14px;font-family:var(--mono);font-size:10.5px;line-height:1.55;overflow-x:auto;white-space:pre;position:relative}
.insp-sig::before{content:"INTERFACE";position:absolute;right:8px;top:5px;font-size:6.5px;letter-spacing:.18em;color:#8C8472}
.insp-sig .fn{color:#E7B9A9}
.insp-sig .kw{color:#B9D8A8}
.insp-foot{margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:7.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.insp-foot a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px}
.insp-foot a:hover{color:var(--oxide);border-color:var(--oxide)}

/* ============================================================
   03 — SPEC TABLE
   ============================================================ */
.spec-shell{border-top:1px solid var(--ink)}
.spec{width:100%;border-collapse:collapse}
.spec caption{text-align:left;padding:0 0 14px;font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.spec thead th{
  text-align:left;padding:11px 16px 11px 0;border-bottom:1px solid var(--ink);
  font-family:var(--mono);font-size:8.5px;letter-spacing:.17em;text-transform:uppercase;color:var(--muted);font-weight:400;
}
.spec tbody tr{border-bottom:1px solid var(--rule);transition:background .18s}
.spec tbody tr:hover{background:rgba(23,20,13,.03)}
.spec tbody th{
  width:220px;text-align:left;vertical-align:top;padding:18px 24px 18px 0;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:400;color:var(--ink);
}
.spec tbody th span{display:block;font-size:7.5px;color:var(--muted);letter-spacing:.14em;margin-bottom:3px}
.spec tbody td{padding:18px 24px 18px 0;vertical-align:top;font-size:14px;line-height:1.55;color:var(--ink-2)}
.spec tbody td:first-of-type{width:50%}
.spec tbody td b{font-weight:500;color:var(--ink)}
.spec tbody td code{font-family:var(--mono);font-size:11.5px;background:rgba(23,20,13,.045);padding:1px 4px}
.spec .evidence{font-family:var(--mono);font-size:8.5px;letter-spacing:.06em;line-height:1.6;text-transform:uppercase;color:var(--muted)}
.spec .evidence .ok{color:var(--oxide)}
.spec-foot{display:flex;justify-content:space-between;gap:22px;align-items:baseline;padding-top:16px;margin-top:2px;border-top:1px solid var(--ink);font-family:var(--mono);font-size:8.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);flex-wrap:wrap}
.spec-foot b{color:var(--ink);font-weight:400}

/* ============================================================
   04 — BOOT
   ============================================================ */
.boot-grid{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:0;border:1px solid var(--ink)}
.boot-steps{display:flex;flex-direction:column;border-right:1px solid var(--ink);background:var(--paper-hi)}
.bstep{
  display:grid;grid-template-columns:52px minmax(0,1fr) 20px;gap:14px;align-items:start;
  text-align:left;background:none;border:0;border-bottom:1px solid var(--rule);padding:22px 20px;cursor:pointer;
  transition:background .18s;position:relative;
}
.bstep:last-child{border-bottom:0}
.bstep:hover{background:rgba(23,20,13,.035)}
.bstep .bnum{font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--muted);padding-top:4px;display:flex;align-items:center;gap:7px}
.bstep .bnum i{width:5px;height:5px;border-radius:50%;background:var(--rule);display:block;transition:background .18s}
.bstep h3{font-family:var(--serif);font-size:26px;line-height:1.05;letter-spacing:-.01em}
.bstep p{margin-top:5px;font-size:13px;line-height:1.55;color:var(--muted);max-width:340px}
.bstep .barrow{font-family:var(--mono);font-size:13px;color:var(--muted);align-self:center;transition:transform .2s,color .2s}
.bstep[aria-selected="true"]{background:var(--paper)}
.bstep[aria-selected="true"] .bnum{color:var(--oxide)}
.bstep[aria-selected="true"] .bnum i{background:var(--oxide)}
.bstep[aria-selected="true"] .barrow{color:var(--oxide);transform:translateX(3px)}
.bstep[aria-selected="true"]::before{content:"";position:absolute;left:10px;top:0;bottom:0;width:1px;background:var(--rule)}
.code-card{display:flex;flex-direction:column;background:var(--carbon);color:var(--bone);min-width:0}
.code-head{display:flex;align-items:center;gap:14px;padding:11px 14px;border-bottom:1px solid rgba(233,226,211,.16);font-family:var(--mono);font-size:8.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--bone-muted)}
.code-head b{color:var(--bone);font-weight:400;letter-spacing:.1em}
.code-head .copy{margin-left:auto;border:1px solid rgba(233,226,211,.25);border-left:1px solid rgba(233,226,211,.25);background:none;color:var(--bone);padding:5px 9px;font-size:8px}
.code-head .copy:hover{background:var(--bone);color:var(--ink);border-color:var(--bone)}
.code-head .copy.is-copied{background:#7F2317;border-color:#7F2317;color:#F1EBDE}
.code-body{padding:14px 0;overflow:auto;max-height:430px;font-family:var(--mono);font-size:11.5px;line-height:1.65;flex:1}
.code-line{display:grid;grid-template-columns:42px minmax(0,1fr);gap:0;padding:0 14px 0 0;white-space:pre}
.code-line:hover{background:rgba(233,226,211,.04)}
.code-line .ln{color:#9A917E;text-align:right;padding-right:14px;user-select:none;font-size:9.5px;padding-top:1px}
.code-line .cl{color:#D4CBB8}
.code-line .c{color:#9A917E}
.code-line .k{color:#E7B9A9}
.code-line .s{color:#C7D6A9}
.code-line .n{color:#D8B98B}
.code-line .f{color:#E9DDBF}
.code-line .ok{color:#A9C99A}
.code-line .dim{color:#9A917E}
.code-foot{display:flex;justify-content:space-between;gap:14px;padding:9px 14px;border-top:1px solid rgba(233,226,211,.16);font-family:var(--mono);font-size:7.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone-muted);flex-wrap:wrap}
.code-foot .ok{color:#C7D6A9}
.code-card.is-swapping .code-body{opacity:.2;transform:translateY(2px)}
.code-body{transition:opacity .15s,transform .15s}

/* ============================================================
   05 — FAQ
   ============================================================ */
.faq-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start}
.faq-list{border-top:1px solid var(--ink)}
.faq-item{border-bottom:1px solid var(--rule)}
.faq-q{
  width:100%;display:grid;grid-template-columns:34px minmax(0,1fr) 22px;gap:14px;align-items:start;
  text-align:left;background:none;border:0;padding:20px 0;cursor:pointer;
}
.faq-q .qn{font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--muted);padding-top:5px}
.faq-q h3{font-family:var(--serif);font-size:26px;line-height:1.15;letter-spacing:-.008em;transition:color .15s}
.faq-q:hover h3{color:var(--ink);text-decoration:underline;text-decoration-color:var(--ink);text-decoration-thickness:1px;text-underline-offset:5px}
.faq-q .plus{position:relative;width:22px;height:22px;border:1px solid var(--rule);margin-top:2px;flex:none;transition:background .18s,border-color .18s}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--ink);left:6px;right:6px;top:10px;height:1px;transition:transform .2s,background .18s}
.faq-q .plus::after{transform:rotate(90deg)}
.faq-item.is-open .faq-q .plus{background:var(--ink);border-color:var(--ink)}
.faq-item.is-open .faq-q .plus::before,.faq-item.is-open .faq-q .plus::after{background:var(--paper)}
.faq-item.is-open .faq-q .plus::after{transform:rotate(0)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 44px 22px 48px;font-size:14px;line-height:1.68;color:var(--ink-2);max-width:640px}
.faq-a p b{color:var(--ink);font-weight:500}
.faq-a code{font-family:var(--mono);font-size:11.5px;background:rgba(23,20,13,.05);padding:1px 4px}
.faq-aside{position:sticky;top:calc(var(--head-h) + 24px);border:1px solid var(--ink);padding:20px;background:var(--paper-hi)}
.faq-aside .k{font-family:var(--mono);font-size:8px;letter-spacing:.18em;text-transform:uppercase;color:var(--oxide)}
.faq-aside h3{font-family:var(--serif);font-size:27px;line-height:1.08;margin-top:10px}
.faq-aside p{font-size:13px;line-height:1.65;color:var(--muted);margin-top:9px}
.faq-aside a{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;padding:11px 0;border-bottom:1px solid var(--rule-soft);color:var(--ink)}
.faq-aside a:hover{color:var(--oxide)}
.faq-aside a:first-of-type{margin-top:16px;border-top:1px solid var(--rule)}
.faq-aside .fine{margin-top:14px;font-family:var(--mono);font-size:10px;letter-spacing:.04em;line-height:1.7;color:#4F4A3C;text-transform:uppercase}

/* ============================================================
   CLOSING
   ============================================================ */
.closing{position:relative;background:var(--carbon);color:var(--bone);overflow:hidden;border-top:1px solid var(--ink)}
.closing-plate{position:absolute;right:-140px;top:-180px;width:820px;height:820px;color:var(--bone);opacity:.10;pointer-events:none}
.closing-plate svg{width:100%;height:100%}
.closing-plate .plate-deg,.closing-plate .plate-tiny,.closing-plate .plate-no,.closing-plate .plate-name,.closing-plate .plate-caption,.closing-plate .plate-stamp-line{fill:currentColor}
.closing .wrap{position:relative;z-index:2;padding-top:100px;padding-bottom:80px}
.closing .eyebrow{color:var(--bone-muted)}
.closing .eyebrow .dim{color:#A39A86}
.closing .eyebrow .sq{background:var(--oxide-hi)}
.closing h2{font-family:var(--serif);font-size:clamp(56px,7.4vw,104px);line-height:.92;letter-spacing:-.02em;margin-top:24px;max-width:900px}
.closing h2 em{font-style:italic;color:#D8C7AE}
.closing .lead{margin-top:22px;max-width:520px;font-size:16px;line-height:1.65;color:#C3BAA6}
.closing .cmd-row{margin-top:34px;display:flex;gap:0;max-width:620px;border:1px solid rgba(233,226,211,.4)}
.closing .cmd-row code{flex:1;min-width:0;font-family:var(--mono);font-size:12px;padding:14px 16px;color:var(--bone);background:rgba(233,226,211,.05);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.closing .cmd-row .copy{background:rgba(233,226,211,.08);color:var(--bone);border-left:1px solid rgba(233,226,211,.3)}
.closing .cmd-row .copy:hover{background:var(--bone);color:var(--ink)}
.closing .cmd-row .copy.is-copied{background:var(--oxide-hi);color:var(--paper)}
.closing .links{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.closing .links a{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:#C3BAA6;text-decoration:none;border-bottom:1px solid rgba(233,226,211,.25);padding-bottom:3px}
.closing .links a:hover{color:var(--bone);border-color:var(--bone)}
.closing-note{margin-top:54px;padding-top:16px;border-top:1px solid rgba(233,226,211,.18);display:flex;gap:26px;flex-wrap:wrap;font-family:var(--mono);font-size:8px;letter-spacing:.12em;text-transform:uppercase;color:var(--bone-muted)}
.closing-note b{color:#C3BAA6;font-weight:400}
.closing-note .push{margin-left:auto;color:var(--bone-muted)}

/* footer */
.site-foot{background:var(--ink);color:var(--bone);border-top:1px solid rgba(233,226,211,.15);padding:54px 0 28px}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.7fr));gap:34px}
.foot-brand .mark{font-family:var(--serif);font-size:28px;letter-spacing:.2em}
.foot-brand .mark::before{content:"";display:inline-block;width:7px;height:7px;background:var(--oxide-hi);margin-right:12px;transform:translateY(-3px) rotate(45deg)}
.foot-brand p{margin-top:12px;max-width:300px;font-size:13px;line-height:1.7;color:#B3AA96}
.foot-brand .fine{margin-top:18px;font-family:var(--mono);font-size:7.5px;letter-spacing:.1em;text-transform:uppercase;color:#9A927F}
.foot-col h4{font-family:var(--mono);font-size:8px;letter-spacing:.2em;text-transform:uppercase;font-weight:400;color:#8C8472;margin-bottom:12px}
.foot-col a{display:block;font-size:12.5px;color:#C9C0AC;text-decoration:none;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:var(--bone)}
.foot-bottom{margin-top:46px;padding-top:18px;border-top:1px solid rgba(233,226,211,.15);display:flex;gap:22px;flex-wrap:wrap;font-family:var(--mono);font-size:7.5px;letter-spacing:.09em;text-transform:uppercase;color:#8C8472}
.foot-bottom .push{margin-left:auto;color:#A8A08C}

/* ---------- utility ---------- */
.nowrap{white-space:nowrap}
.reveal{will-change:transform,opacity}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1240px){
  :root{--gutter:32px}
  .hero-plate{width:760px;height:760px;right:-70px;top:30px}
  .hero h1{font-size:clamp(54px,6.3vw,78px)}
  .hero-inner{max-width:560px}
  .trace-grid{grid-template-columns:1fr}
  .pipeline{border-right:0;border-bottom:1px solid var(--ink)}
  .ev-log{max-height:300px}
  .ledger-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .ledger-cell:nth-child(4){border-right:0}
  .ledger-cell:nth-child(-n+4){border-bottom:1px solid var(--rule-soft)}
  .kernel-grid{grid-template-columns:1fr}
  .topology-stage{border-right:0;border-bottom:1px solid var(--ink);min-height:500px}
  .faq-grid{grid-template-columns:1fr;gap:34px}
  .faq-aside{position:static;max-width:460px}
  .boot-grid{grid-template-columns:1fr}
  .boot-steps{border-right:0;border-bottom:1px solid var(--ink)}
  .weave .wrap{grid-template-columns:1fr;gap:30px}
  .weave-copy h2{font-size:clamp(42px,5.4vw,60px)}
  .weave-stage{justify-self:center;max-width:620px}
}

@media (max-width:1240px) and (min-width:981px){
  .hero-plate{width:clamp(520px,55vw,700px);height:clamp(520px,55vw,700px);right:0;top:20px}
  .hero-rail .right{display:none}
  .hero-inner{max-width:400px}
  .hero h1{font-size:clamp(48px,5.2vw,66px)}
  .hero .lede{max-width:380px;font-size:14.5px}
  .terminal{width:440px}
  .hero .cta-row{gap:16px}
}

@media (max-width:980px){
  .nav{display:none}
  .head-meta{padding-left:18px}
  .brand .tag{display:none}
  .hero-plate{width:680px;height:680px;right:-160px;top:40px;opacity:.85}
  .hero-inner{max-width:520px}
  .hero .lede{max-width:440px}
  .terminal{width:500px}
  .hero-rail .fact:nth-child(4){display:none}
}

@media (max-width:980px){
  :root{--gutter:20px;--head-h:56px}
  .site-head .wrap{gap:14px}
  .head-meta{display:none}
  .menu-btn{display:block;margin-left:auto}
  .ver{display:none}
  .brand .mark{font-size:22px}
  .hero{padding:0 var(--gutter) 0;min-height:0;display:flex;flex-direction:column}
  .hero-inner{max-width:none;padding-top:36px;order:1}
  .hero .terminal{order:2}
  .hero-plate{order:3}
  .hero-rail{order:4}
  .hero h1{font-size:clamp(44px,11.5vw,64px);margin-top:20px}
  .hero .lede{margin-top:20px;max-width:560px;font-size:15px}
  .hero .cta-row{gap:16px;margin-top:22px}
  .hero-plate{position:relative;right:auto;top:auto;width:440px;height:440px;margin:18px auto -26px;opacity:.95}
  .hero-plate::after{content:"PLATE I — KERNEL SECTION · SIX MODULES";position:absolute;left:0;right:0;bottom:6px;text-align:center;font-family:var(--mono);font-size:8px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
  .hero-plate .plate-name,.hero-plate .plate-no,.hero-plate .plate-tiny,.hero-plate .plate-deg,.hero-plate .plate-caption{display:none}
  .plate-note{display:none}
  .terminal{position:relative;left:auto;bottom:auto;width:100%;margin-top:34px;box-shadow:5px 5px 0 rgba(23,20,13,.1)}
  .terminal::before,.terminal::after{width:7px;height:7px}
  .term-cmd code{font-size:11px}
  .copy{padding:0 12px}
  .copy .copy-text{display:none}
  .hero-rail{position:relative;left:auto;right:auto;bottom:auto;height:auto;display:grid;grid-template-columns:1fr 1fr;padding:0 var(--gutter);margin:34px calc(var(--gutter) * -1) 0;border-top:1px solid var(--ink)}
  .hero-rail .fact{margin:0;padding:11px 0;border-right:0;font-size:8px;letter-spacing:.08em;border-bottom:1px solid var(--rule-soft)}
  .hero-rail .fact:nth-child(odd){border-right:1px solid var(--rule-soft);padding-right:10px}
  .hero-rail .fact:nth-child(3),.hero-rail .fact:nth-child(4){border-bottom:0}
  .hero-rail .fact:nth-child(4){display:flex}
  .hero-rail .right{display:none}
  .section{padding:64px 0 70px}
  .sec-head{grid-template-columns:1fr;gap:12px;margin-bottom:30px}
  .sec-index{padding-top:0}
  .sec-title{font-size:clamp(36px,9vw,50px)}
  .sec-sub{font-size:14.5px;margin-top:14px}
  .trace-bar{padding:12px 14px;gap:12px}
  .trace-actions{width:100%;margin-left:0}
  .trace-actions .btn{flex:1}
  .stage{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:16px 14px 16px 0}
  .stage .stage-state{grid-column:2;padding-top:0;margin-top:2px}
  .stage .stage-body h3{font-size:24px}
  .stage .stage-body p{font-size:13px}
  .ev-log{max-height:280px;min-height:260px}
  .evline{grid-template-columns:62px minmax(0,1fr);gap:2px 8px;padding:5px 12px}
  .evline .topic{grid-column:2}
  .evline .msg{grid-column:2}
  .ledger-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ledger-cell{border-bottom:1px solid var(--rule-soft)}
  .ledger-cell:nth-child(2n){border-right:0}
  .ledger-cell:nth-child(7),.ledger-cell:nth-child(8){border-bottom:0}
  .trace-foot{gap:12px 20px;padding:10px 14px}
  .trace-foot .push{margin-left:0}
  .topology-stage{min-height:0;padding:84px 14px 16px;display:grid;grid-template-columns:1fr 1fr;gap:12px;background:none;position:relative}
  .topology-stage::before{content:"";position:absolute;left:50%;top:56px;bottom:14px;width:1px;background:var(--rule-soft);z-index:0}
  .topo-lines,.topo-note,.ingress{display:none}
  .topo-core{display:flex;position:absolute;left:14px;right:14px;top:12px;width:auto;height:44px;transform:none;border-radius:0;background:var(--paper-hi);flex-direction:row;align-items:center;justify-content:center;gap:10px;z-index:2}
  .topo-core::before{inset:3px;border-radius:0;border-color:var(--rule-soft)}
  .topo-core::after{display:none}
  .topo-core b{font-size:8.5px;letter-spacing:.16em}
  .topo-core span{font-size:6.5px}
  .topo-core span:last-child{display:none}
  .knode{position:relative;left:auto !important;top:auto !important;transform:none;width:104px;height:104px;justify-self:center;border-color:var(--rule)}
  .knode:hover{transform:translateY(-2px)}
  .knode .kname{font-size:8px;max-width:82px;letter-spacing:.05em}
  .knode .kglyph{width:16px;height:16px}
  .kbranch{display:block;position:absolute;top:50%;width:38px;height:1px;background:var(--rule);z-index:1;pointer-events:none}
  .knode[data-module="01"] .kbranch,.knode[data-module="03"] .kbranch,.knode[data-module="05"] .kbranch{right:-38px}
  .knode[data-module="02"] .kbranch,.knode[data-module="04"] .kbranch,.knode[data-module="06"] .kbranch{left:-38px}
  .knode[aria-pressed="true"] .kbranch{background:var(--oxide)}
  .kernel-grid{border:1px solid var(--ink)}
  .inspector{padding:22px 18px 18px}
  .inspector h3{font-size:31px}
  .insp-row{grid-template-columns:76px minmax(0,1fr);gap:10px}
  .insp-row dd{font-size:12.5px}
  .insp-sig{font-size:10px}
  .spec thead{display:none}
  .spec tbody tr{display:block;padding:14px 0;border-bottom:1px solid var(--rule)}
  .spec tbody th{display:block;width:auto;padding:0 0 6px;border:0}
  .spec tbody td{display:block;padding:0 0 7px;font-size:13.5px}
  .spec tbody td:first-of-type{width:auto}
  .spec tbody td.evidence{padding-bottom:0}
  .spec tbody td[data-label]::before{content:attr(data-label);display:block;font-family:var(--mono);font-size:7.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
  .boot-grid{grid-template-columns:1fr}
  .bstep{padding:18px 16px}
  .bstep h3{font-size:24px}
  .code-body{max-height:360px;font-size:10.5px}
  .code-line{grid-template-columns:34px minmax(0,1fr)}
  .code-line .ln{padding-right:10px}
  .faq-q{grid-template-columns:26px minmax(0,1fr) 22px;gap:10px;padding:16px 0}
  .faq-q h3{font-size:22px}
  .faq-a p{padding:0 8px 18px 36px;font-size:13.5px}
  .closing .wrap{padding-top:64px;padding-bottom:56px}
  .closing h2{font-size:clamp(48px,13vw,70px)}
  .closing-plate{right:-280px;top:-60px;width:700px;height:700px;opacity:.05}
  .closing-plate .plate-name,.closing-plate .plate-no,.closing-plate .plate-tiny,.closing-plate .plate-deg,.closing-plate .plate-caption,.closing-plate .plate-stamp-line{display:none}
  .closing .cmd-row{max-width:none}
  .closing .cmd-row code{font-size:10.5px;padding:12px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .foot-brand{grid-column:1 / -1}
  .foot-bottom{gap:10px 18px}
  .foot-bottom .push{margin-left:0;width:100%}
  .weave-pin{padding:56px 0 44px}
  .weave-copy h2{font-size:clamp(38px,10vw,52px)}
  .weave-copy p{font-size:14px}
  .weave-stage{max-width:460px}
  .weave-mod text{font-size:15px}
  .weave-stage .wcap,.weave-mod .mnum{display:none}
}

@media (max-width:480px){
  .hero h1{font-size:44px}
  .hero .cta-row .btn{width:100%}
  .hero .cta-row .link-quiet{font-size:10px}
  .sec-title{font-size:clamp(34px,9.6vw,42px)}
  .term-tabs button{font-size:9px;padding:9px 4px}
  .term-cmd{padding:13px 10px;gap:7px}
  .term-cmd code{font-size:10px}
  .trace-actions{gap:8px}
  .trace-actions .btn{padding:10px 10px;font-size:9.5px;letter-spacing:.08em}
  .ledger-grid{grid-template-columns:1fr 1fr}
  .ledger-cell{min-height:98px;padding:9px}
  .ledger-cell .what{font-size:10px}
  .topology-stage{padding:112px 10px 12px;gap:10px}
  .knode{width:96px;height:96px}
  .knode .kname{font-size:7.5px;max-width:74px}
  .knode{padding:7px 8px}
  .knode .kname{font-size:9px}
  .closing h2{font-size:46px}
  .foot-grid{grid-template-columns:1fr}
  .closing-note{gap:10px 18px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* ---------- ledger seal states ---------- */
.ledger-cell:not(.is-done):not(.is-live) .seal{opacity:0}
.ledger-cell.blank:not(.is-done):not(.is-live) .seal{opacity:.42;border-style:dashed;transform:none}
.ledger-cell.is-done .ts{color:var(--ink-2)}
.ledger-cell.is-live .ts{color:var(--oxide)}
.ledger-cell .seal{will-change:transform}

/* ---------- grid shrink guards (long code / signatures) ---------- */
.trace-grid,.kernel-grid,.boot-grid,.faq-grid,.weave .wrap,.foot-grid{min-width:0}
.trace-grid>*,.kernel-grid>*,.boot-grid>*,.faq-grid>*{min-width:0}
.topology-stage,.inspector,.code-card,.code-body,.insp-sig,.stage-body,.evline .msg{min-width:0;max-width:100%}
.insp-sig{overflow-x:auto}
.code-body{overflow-x:auto}
@media (max-width:980px){
  .kernel-grid{grid-template-columns:minmax(0,1fr)}
  .boot-grid{grid-template-columns:minmax(0,1fr)}
}

/* mid desktop: keep the plate clear of the type column */
@media (max-width:1380px) and (min-width:1241px){
  .hero-plate{width:740px;height:740px;right:0;top:20px}
  .hero-inner{max-width:560px}
  .hero h1{font-size:clamp(56px,5.9vw,82px)}
  .hero .lede{max-width:450px}
}

/* mobile menu CTA must not inherit the menu-row link style */
.mobile-nav .mnav-cta .btn{padding:14px 16px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:.12em}
.mobile-nav .mnav-cta .btn:hover{background:#2E2A20;color:var(--paper)}
.mobile-nav .mnav-cta .btn span{color:var(--paper);font-size:11px}