/* =========================================================================
   TAXANO — DESIGN SYSTEM
   A single, deliberately dark editorial system. No light-mode variant is
   provided: this is a committed visual world (near-black ground, warm
   parchment type, one blue accent used sparingly), not an inverted theme.
   ========================================================================= */

:root{
  /* ---- surface & ink ---- */
  --bg:        #0a0b0d;
  --bg-raised: #111318;
  --bg-card:   #15171d;
  --bg-input:  #101216;
  --fg:        #f3f1ea;
  --muted:     #9b9c97;
  --faint:     #85867f;
  --line:        rgba(243,241,234,.12);
  --line-strong: rgba(243,241,234,.24);

  /* ---- the one accent ---- */
  --accent:      #3f7dff;
  --accent-ink:  #06101f;
  --accent-soft: rgba(63,125,255,.14);
  --accent-dim:  rgba(63,125,255,.5);
  --ok:    #57c98a;
  --error: #ef6a5f;

  /* ---- type ---- */
  --hd: -apple-system, "Segoe UI Semibold", "Helvetica Neue", Arial, sans-serif;
  --bd: -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", "Roboto Mono", Consolas, monospace;

  /* ---- layout ---- */
  --mx: clamp(20px, 6vw, 96px);
  --maxw: 1280px;
  --measure: 640px;
  --radius: 3px;
  --ease: cubic-bezier(.7,0,.2,1);
  --header-h: 84px;
}

/* ---------------------------------------------------------------------- */
/* Reset / base                                                           */
/* ---------------------------------------------------------------------- */
*, *::before, *::after{ box-sizing:border-box; }
html{ background:var(--bg); color-scheme: dark; }
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--bd);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img, svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
input, select, textarea{ font:inherit; color:inherit; }
::selection{ background:var(--accent-soft); color:var(--fg); }
hr{ border:none; border-top:1px solid var(--line); margin:0; }

:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }

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

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--accent); color:#fff; padding:12px 18px; font-family:var(--mono); font-size:13px;
}
.skip-link:focus{ left:var(--mx); top:12px; }

/* ---------------------------------------------------------------------- */
/* Type                                                                   */
/* ---------------------------------------------------------------------- */
h1,h2,h3,h4,h5{ font-family:var(--hd); font-weight:600; margin:0; text-wrap:balance; letter-spacing:-.01em; color:var(--fg); }
p{ margin:0 0 18px; }
p:last-child{ margin-bottom:0; }
.lede{ font-size:19px; line-height:1.65; color:var(--muted); max-width:56ch; }
.measure{ max-width:var(--measure); }

.eyebrow{
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted); margin-bottom:16px;
}
.eyebrow .dot{ width:6px; height:6px; border-radius:50%; background:var(--accent); flex:none; }
.eyebrow .idx{ color:var(--accent); }

.h-xl{ font-size:clamp(38px, 5.6vw, 76px); line-height:1.04; }
.h-lg{ font-size:clamp(30px, 4vw, 46px); line-height:1.08; }
.h-md{ font-size:clamp(24px, 2.6vw, 32px); line-height:1.15; }
.h-sm{ font-size:19px; line-height:1.3; }

.mono{ font-family:var(--mono); }
.text-muted{ color:var(--muted); }
.text-faint{ color:var(--faint); }
.text-accent{ color:var(--accent); }
strong{ font-weight:600; color:var(--fg); }
em{ font-style:normal; color:var(--fg); }

/* ---------------------------------------------------------------------- */
/* Layout helpers                                                         */
/* ---------------------------------------------------------------------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 var(--mx); }
main{ display:block; }
.section{ padding:104px var(--mx); }
.section-tight{ padding:64px var(--mx); }
@media (max-width:720px){
  .section{ padding:72px var(--mx); }
  .section-tight{ padding:48px var(--mx); }
}
.section > .wrap, section.section{ padding-left:0; padding-right:0; }
.section-head{ margin-bottom:44px; max-width:760px; }
.section-head .h-lg{ margin-top:2px; }

.grid{ display:grid; gap:1px; }
.divider{ border-top:1px solid var(--line); }
.divider-strong{ border-top:1px solid var(--line-strong); }

/* ---------------------------------------------------------------------- */
/* Header / nav                                                           */
/* ---------------------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(10,11,13,.86);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:var(--header-h); gap:24px; }

.brand{ display:flex; align-items:flex-end; gap:0; flex:none; color:var(--fg); }
.brand-mark{ height:30px; width:auto; flex:none; }
.brand-word{ font-family:var(--hd); font-weight:600; font-size:19px; letter-spacing:-.01em; line-height:1; padding-bottom:1px; margin-left:-9px; }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  font-family:var(--mono); font-size:12.5px; letter-spacing:.04em; text-transform:uppercase;
  color:var(--muted); padding:10px 16px; border-radius:var(--radius); transition:color .18s var(--ease), background-color .18s var(--ease);
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ color:var(--fg); }
.main-nav a[aria-current="page"]{ color:var(--accent); }

.header-actions{ display:flex; align-items:center; gap:14px; flex:none; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; padding:8px; }
.nav-toggle span{ width:22px; height:1.5px; background:var(--fg); display:block; transition:transform .25s var(--ease), opacity .25s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

@media (max-width: 940px){
  .main-nav{
    position:fixed; inset:var(--header-h) 0 0 0; height:calc(100dvh - var(--header-h));
    background:var(--bg); flex-direction:column; align-items:stretch; justify-content:flex-start;
    padding:12px var(--mx) 32px; gap:0; transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease); overflow-y:auto;
  }
  .main-nav.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .main-nav a{ padding:18px 0; border-top:1px solid var(--line); font-size:14px; }
  .header-actions .btn-primary{ padding:9px 16px; font-size:12px; }
  .header-actions .cta-desktop{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                */
/* ---------------------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:13px; letter-spacing:.05em; text-transform:uppercase;
  padding:14px 22px; border-radius:var(--radius); white-space:nowrap;
  transition:background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.btn svg{ width:13px; height:13px; transition:transform .18s var(--ease); }
.btn:hover svg{ transform:translateX(3px); }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:#5c8fff; }
.btn-outline{ border:1px solid var(--line-strong); color:var(--fg); }
.btn-outline:hover{ border-color:var(--accent); color:var(--accent); }
.btn-text{ padding:4px 0; color:var(--fg); border-bottom:1px solid var(--line-strong); border-radius:0; }
.btn-text:hover{ color:var(--accent); border-color:var(--accent); }
.btn.sm{ padding:10px 16px; font-size:11.5px; }

/* ---------------------------------------------------------------------- */
/* Hero / masthead                                                        */
/* ---------------------------------------------------------------------- */
.hero{ padding:76px var(--mx) 88px; position:relative; }
.hero-frame{ border:1px solid var(--line); border-radius:var(--radius); padding:clamp(28px,5vw,64px); position:relative; overflow:hidden; }
.hero-frame::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(680px 420px at 82% -8%, var(--accent-soft), transparent 60%);
}
.hero-kicker{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; position:relative; }
.hero h1{ margin-top:26px; max-width:20ch; position:relative; }
.hero .lede{ margin-top:24px; position:relative; }
.hero-cta{ display:flex; gap:14px; margin-top:36px; flex-wrap:wrap; position:relative; }
.hero-meta{ font-family:var(--mono); font-size:11px; color:var(--faint); letter-spacing:.04em; text-align:right; }

/* Page (non-home) masthead */
.masthead{ padding:64px var(--mx) 56px; border-bottom:1px solid var(--line); }
.masthead h1{ margin-top:20px; max-width:18ch; }
.masthead .lede{ margin-top:22px; }

/* ---------------------------------------------------------------------- */
/* Stat / meta band                                                       */
/* ---------------------------------------------------------------------- */
.statband{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line-strong); border-bottom:1px solid var(--line-strong); }
.statband > div{ padding:26px clamp(16px,2vw,28px); border-left:1px solid var(--line); }
.statband > div:first-child{ border-left:none; }
.statband .num{ font-family:var(--hd); font-size:clamp(18px,2vw,24px); font-weight:600; }
.statband .lbl{ font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--faint); margin-top:8px; line-height:1.5; }
@media (max-width:820px){
  .statband{ grid-template-columns:repeat(2,1fr); }
  .statband > div{ border-left:1px solid var(--line); }
  .statband > div:nth-child(2n+1){ border-left:none; }
}

/* ---------------------------------------------------------------------- */
/* Capability / domain cards                                              */
/* ---------------------------------------------------------------------- */
.card-grid{ grid-template-columns:repeat(2,1fr); background:var(--line); border:1px solid var(--line); }
@media (max-width:820px){ .card-grid{ grid-template-columns:1fr; } }

.dcard{ background:var(--bg); padding:clamp(26px,3vw,40px); display:flex; flex-direction:column; }
.dcard-top{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; }
.dcard .idx{ font-family:var(--mono); font-size:12px; color:var(--accent); }
.dcard h3{ font-size:22px; margin-top:14px; }
.dcard p.desc{ color:var(--muted); margin-top:12px; font-size:15px; }
.dcard-meta{ margin-top:22px; padding-top:18px; border-top:1px dashed var(--line-strong); display:flex; flex-direction:column; gap:9px; }
.dcard-meta div{ font-family:var(--mono); font-size:10.5px; letter-spacing:.03em; color:var(--faint); }
.dcard-meta div b{ display:block; color:var(--muted); text-transform:uppercase; letter-spacing:.1em; font-size:9.5px; font-weight:500; margin-bottom:3px; }

/* ---------------------------------------------------------------------- */
/* Pipeline / process rail                                                */
/* ---------------------------------------------------------------------- */
.rail{ grid-template-columns:repeat(3,1fr); background:var(--line); border:1px solid var(--line); }
@media (max-width:820px){ .rail{ grid-template-columns:1fr; } }
.rail-step{ background:var(--bg); padding:clamp(24px,3vw,34px); position:relative; }
.rail-step .idx{ font-family:var(--mono); font-size:11px; color:var(--faint); }
.rail-step h4{ font-size:19px; margin-top:14px; }
.rail-step p{ color:var(--muted); font-size:14.5px; margin-top:10px; }
.rail-step .tag{ margin-top:18px; font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase; color:var(--accent); }

/* ---------------------------------------------------------------------- */
/* Timeline (roadmap)                                                     */
/* ---------------------------------------------------------------------- */
.timeline{ position:relative; padding-left:0; margin-top:8px; }
.tl-row{ display:grid; grid-template-columns:120px 1fr; gap:24px; padding:26px 0; border-top:1px solid var(--line); }
.tl-row:first-child{ border-top:1px solid var(--line-strong); }
.tl-phase{ font-family:var(--mono); font-size:12px; color:var(--accent); letter-spacing:.05em; }
.tl-row h4{ font-size:18px; }
.tl-row p{ color:var(--muted); font-size:14.5px; margin-top:8px; max-width:60ch; }
@media (max-width:640px){ .tl-row{ grid-template-columns:1fr; gap:8px; } }

/* ---------------------------------------------------------------------- */
/* Market / jurisdiction cards                                            */
/* ---------------------------------------------------------------------- */
.mkt-grid{ grid-template-columns:repeat(4,1fr); background:var(--line); border:1px solid var(--line); }
@media (max-width:980px){ .mkt-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .mkt-grid{ grid-template-columns:1fr; } }
.mkt-card{ background:var(--bg); padding:26px 22px; }
.mkt-card .flag{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); }
.mkt-card h4{ font-size:19px; margin-top:12px; }
.mkt-card .role{ font-family:var(--mono); font-size:11px; color:var(--accent); margin-top:8px; }
.mkt-card p{ color:var(--muted); font-size:14px; margin-top:12px; }

/* ---------------------------------------------------------------------- */
/* CTA band                                                               */
/* ---------------------------------------------------------------------- */
.cta-band{ border:1px solid var(--line-strong); border-radius:var(--radius); padding:clamp(32px,5vw,64px); display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; position:relative; overflow:hidden; }
.cta-band::before{ content:""; position:absolute; inset:0; background:radial-gradient(520px 300px at 8% 120%, var(--accent-soft), transparent 60%); pointer-events:none; }
.cta-band h3{ font-size:clamp(22px,2.6vw,30px); max-width:16ch; position:relative; }
.cta-band .actions{ display:flex; gap:14px; flex-wrap:wrap; position:relative; }

/* ---------------------------------------------------------------------- */
/* Forms                                                                  */
/* ---------------------------------------------------------------------- */
.form-panel{ border:1px solid var(--line); border-radius:var(--radius); padding:clamp(24px,4vw,48px); background:var(--bg-raised); }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px 24px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1/-1; }
.field label{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }
.field label .req{ color:var(--accent); }
.field input, .field select, .field textarea{
  background:var(--bg-input); border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:13px 14px; color:var(--fg); font-size:15px; width:100%; transition:border-color .18s var(--ease), background-color .18s var(--ease);
}
.field textarea{ resize:vertical; min-height:120px; font-family:var(--bd); }
.field select{ appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239b9c97' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 14px center; padding-right:36px;
}
.field input::placeholder, .field textarea::placeholder{ color:var(--faint); }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--accent); background:#0c1522; }
.field.has-error input, .field.has-error select, .field.has-error textarea{ border-color:var(--error); }
.field-error{ font-family:var(--mono); font-size:11px; color:var(--error); min-height:14px; display:none; }
.field.has-error .field-error{ display:block; }

.form-foot{ display:flex; align-items:center; justify-content:space-between; gap:20px; margin-top:28px; flex-wrap:wrap; }
.form-note{ font-family:var(--mono); font-size:11px; color:var(--faint); max-width:40ch; }

.form-status{
  display:none; align-items:center; gap:10px; padding:14px 16px; border-radius:var(--radius); margin-bottom:22px;
  font-family:var(--mono); font-size:12.5px; letter-spacing:.02em; border:1px solid;
}
.form-status.is-visible{ display:flex; }
.form-status.status-error{ color:var(--error); border-color:rgba(239,106,95,.4); background:rgba(239,106,95,.08); }
.form-status.status-ok{ color:var(--ok); border-color:rgba(87,201,138,.4); background:rgba(87,201,138,.08); }
.form-status.status-sending{ color:var(--muted); border-color:var(--line-strong); background:var(--bg-card); }

/* ---------------------------------------------------------------------- */
/* Geo network map                                                        */
/* ---------------------------------------------------------------------- */
.geo-panel{ border:1px solid var(--line); border-radius:var(--radius); background:var(--bg-raised); padding:clamp(16px,3vw,32px); overflow:hidden; position:relative; }
.geo-map{ width:100%; height:auto; display:block; }
.geo-coast circle{ fill:var(--line-strong); }
.geo-link{ fill:none; stroke:var(--accent); stroke-width:1.4; stroke-dasharray:1 7; stroke-linecap:round; opacity:.6; }
.geo-node circle.pulse{ fill:none; stroke:var(--accent); stroke-width:1.2; opacity:.4; transform-origin:center; transform-box:fill-box; animation:geo-pulse 2.6s var(--ease) infinite; }
.geo-node circle.dot{ fill:var(--accent); }
.geo-node circle.dot-core{ fill:var(--bg-raised); }
.geo-label-name{ font-family:var(--hd); font-weight:600; fill:var(--fg); font-size:17px; }
.geo-label-sub{ font-family:var(--mono); fill:var(--muted); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; }
.geo-callout-item{ font-family:var(--hd); font-weight:600; fill:var(--fg); font-size:15px; }
.geo-node-small circle.dot{ fill:var(--muted); }
@keyframes geo-pulse{ 0%{ transform:scale(.55); opacity:.55; } 80%,100%{ transform:scale(1.9); opacity:0; } }
.geo-legend{ display:flex; flex-wrap:wrap; gap:10px 22px; margin-top:22px; padding-top:20px; border-top:1px solid var(--line); }
.geo-legend div{ font-family:var(--mono); font-size:11px; letter-spacing:.04em; color:var(--muted); display:flex; align-items:center; gap:8px; }
.geo-legend span.sw{ width:8px; height:8px; border-radius:50%; background:var(--accent); flex:none; }

/* ---------------------------------------------------------------------- */
/* Companion pixel graphics (for prose sections with empty side space)   */
/* ---------------------------------------------------------------------- */
.side-layout{ display:grid; grid-template-columns:1fr 300px; gap:56px; align-items:start; }
@media (max-width:900px){ .side-layout{ grid-template-columns:1fr; } }
.side-panel{ border:1px solid var(--line); border-radius:var(--radius); background:var(--bg-raised); padding:22px; }
.side-graphic{ width:100%; height:auto; display:block; }
.gap-px-west{ fill:var(--muted); opacity:.55; }
.gap-px-gap{ fill:var(--line-strong); opacity:.55; }
.gap-px-east{ fill:var(--accent); opacity:.85; }
.loop-px-dim{ fill:var(--muted); opacity:.35; }
.loop-px-bright{ fill:var(--accent); opacity:.85; }

/* ---------------------------------------------------------------------- */
/* Stat strip (inline stats within prose sections)                       */
/* ---------------------------------------------------------------------- */
.stat-strip{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:8px; }
.stat-strip .cell{ background:var(--bg); padding:24px 22px; }
.stat-strip .cell .n{ font-family:var(--hd); font-size:clamp(22px,2.4vw,30px); font-weight:600; color:var(--fg); }
.stat-strip .cell .d{ font-family:var(--mono); font-size:11px; color:var(--muted); margin-top:10px; line-height:1.5; }
.stat-strip .cell .src{ font-family:var(--mono); font-size:9.5px; color:var(--faint); margin-top:10px; letter-spacing:.02em; }
@media (max-width:720px){ .stat-strip{ grid-template-columns:1fr; } }

/* Pull quote */
.pull{ border-left:2px solid var(--accent); padding:4px 0 4px 24px; margin:8px 0; }
.pull p{ font-family:var(--hd); font-size:clamp(19px,2vw,23px); font-weight:500; line-height:1.4; color:var(--fg); text-wrap:balance; }
.pull cite{ display:block; font-family:var(--mono); font-style:normal; font-size:11px; color:var(--faint); margin-top:12px; letter-spacing:.04em; text-transform:uppercase; }

/* ---------------------------------------------------------------------- */
/* Cookie consent banner                                                  */
/* ---------------------------------------------------------------------- */
.cookie-banner{
  position:fixed; left:20px; right:20px; bottom:20px; z-index:200;
  max-width:640px; margin:0 auto;
  background:var(--bg-raised); border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:20px 22px; display:flex; flex-wrap:wrap; align-items:center; gap:16px 22px;
  box-shadow:0 24px 64px rgba(0,0,0,.55);
  transform:translateY(18px); opacity:0; pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease);
}
.cookie-banner.is-visible{ opacity:1; transform:none; pointer-events:auto; }
.cookie-banner p{ flex:1 1 280px; margin:0; font-size:13.5px; line-height:1.55; color:var(--muted); }
.cookie-banner p a{ color:var(--fg); border-bottom:1px solid var(--line-strong); }
.cookie-banner p a:hover{ color:var(--accent); border-color:var(--accent); }
.cookie-banner .actions{ display:flex; gap:10px; flex:none; }
@media (max-width:520px){
  .cookie-banner{ left:12px; right:12px; bottom:12px; padding:18px; }
  .cookie-banner .actions{ width:100%; }
  .cookie-banner .actions .btn{ flex:1; justify-content:center; }
}

/* ---------------------------------------------------------------------- */
/* Legal / document pages                                                 */
/* ---------------------------------------------------------------------- */
.doc-meta{ font-family:var(--mono); font-size:11px; color:var(--faint); letter-spacing:.04em; margin-top:8px; }
.doc-body h2{ font-size:20px; margin-top:0; }
.doc-body h3{ font-family:var(--hd); font-weight:600; font-size:16px; margin:0 0 6px; }
.doc-body section + section{ margin-top:40px; padding-top:40px; border-top:1px solid var(--line); }
.doc-body p, .doc-body li{ color:var(--muted); font-size:15px; line-height:1.7; }
.doc-body ul{ list-style:none; margin:14px 0 0; padding:0; display:flex; flex-direction:column; gap:8px; }
.doc-body li{ position:relative; padding-left:18px; }
.doc-body li::before{ content:"—"; position:absolute; left:0; color:var(--faint); }
.doc-body strong{ color:var(--fg); }
.doc-grid{ display:grid; grid-template-columns:minmax(180px,260px) 1fr; gap:56px; align-items:start; }
@media (max-width:820px){ .doc-grid{ grid-template-columns:1fr; gap:32px; } }
.doc-toc{ display:flex; flex-direction:column; gap:2px; }
.doc-toc a{ font-family:var(--mono); font-size:12.5px; color:var(--muted); padding:9px 0; border-top:1px solid var(--line); letter-spacing:.02em; }
.doc-toc a:first-child{ border-top:none; }
.doc-toc a:hover{ color:var(--accent); }

/* ---------------------------------------------------------------------- */
/* Footer                                                                 */
/* ---------------------------------------------------------------------- */
.site-footer{ border-top:1px solid var(--line); padding:72px var(--mx) 0; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:56px; }
@media (max-width:820px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .foot-grid{ grid-template-columns:1fr; } }
.foot-brand .brand{ margin-bottom:16px; }
.foot-brand p{ color:var(--muted); font-size:14px; max-width:34ch; }
.foot-col h5{ font-family:var(--mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); margin-bottom:16px; }
.foot-col ul li{ margin-bottom:11px; }
.foot-col ul a{ color:var(--muted); font-size:14px; transition:color .18s var(--ease); }
.foot-col ul a:hover{ color:var(--fg); }
.foot-bottom{ border-top:1px solid var(--line); padding:22px 0; display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; }
.foot-bottom .mono{ font-size:10.5px; color:var(--faint); letter-spacing:.04em; }
.foot-legal{ display:flex; gap:16px; flex-wrap:wrap; }
.foot-legal a{ font-family:var(--mono); font-size:10.5px; color:var(--faint); letter-spacing:.04em; }
.foot-legal a:hover{ color:var(--accent); }

/* ---------------------------------------------------------------------- */
/* Reveal-on-scroll                                                       */
/* ---------------------------------------------------------------------- */
[data-reveal]{ opacity:0; transform:translateY(14px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ [data-reveal]{ opacity:1; transform:none; } }

/* ---------------------------------------------------------------------- */
/* Misc utilities                                                         */
/* ---------------------------------------------------------------------- */
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{ font-family:var(--mono); font-size:11px; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); border:1px solid var(--line-strong); border-radius:var(--radius); padding:7px 12px; }
.center{ text-align:center; }
.mt-0{ margin-top:0; }
.only-mobile{ display:none; }
@media (max-width:640px){ .only-mobile{ display:block; } .hide-mobile{ display:none; } }

/* ---------------------------------------------------------------------- */
/* Pixel-icon system (Phase 4) — sprite at assets/img/icons.svg           */
/* ---------------------------------------------------------------------- */
.icon-pixel{ width:24px; height:24px; color:var(--accent); flex:none; display:block; }

/* ---------------------------------------------------------------------- */
/* Platform architecture schematic                                       */
/* ---------------------------------------------------------------------- */
.arch-schematic{ width:100%; height:auto; display:block; margin-bottom:28px; }
@media (max-width:820px){ .arch-schematic{ display:none; } }
.arch-node-box{ fill:var(--bg-raised); stroke:var(--line-strong); stroke-width:1; }
.arch-connector{ stroke:var(--accent); stroke-width:1.4; stroke-dasharray:1 7; stroke-linecap:round; opacity:.75; fill:none; }
.arch-loop{ stroke:var(--accent-dim); stroke-width:1.2; stroke-dasharray:3 4; fill:none; }
.arch-label-idx{ font-family:var(--mono); font-size:10px; letter-spacing:.08em; fill:var(--faint); text-transform:uppercase; }
.arch-label-title{ font-family:var(--hd); font-weight:600; font-size:18px; fill:var(--fg); }
.arch-label-loop{ font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; fill:var(--muted); text-transform:uppercase; }
.arch-icon{ color:var(--accent); }