/* ============================================================
   SOLONAX — Geosynthetics
   Design system: bitumen ground, signal accent, engineering chrome
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* Ground: HDPE black with a petrol-green bias (bitumen, not neutral grey) */
  --void:        #070D0C;
  --ink:         #0A1211;
  --panel:       #0F1917;
  --panel-hi:    #14211F;
  --rule:        #1B2B28;
  --rule-hi:     #2B403C;

  /* Text: nonwoven geotextile off-white */
  --chalk:       #EAF1EE;
  --chalk-dim:   #9DB0AB;
  --chalk-faint: #6A807B;

  /* Accent: hi-vis containment orange — the single bold voice */
  --signal:      #FF5A1F;
  --signal-soft: rgba(255,90,31,.14);
  --signal-line: rgba(255,90,31,.38);

  /* Support: bentonite clay + drainage mint. Diagrams & data only. */
  --clay:        #D6B27C;
  --mint:        #6FC9B6;
  --slate:       #6E90A8;

  --wrap: 1300px;
  --gut: clamp(1rem, 4vw, 3rem);

  --f-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --f-body: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  color-scheme: dark;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  background:var(--void);
  color:var(--chalk);
  font-family:var(--f-body);
  font-size:1rem;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{ max-width:100%; }
a{ color:inherit; }
[hidden]{ display:none !important; }

::selection{ background:var(--signal); color:#0A0F0E; }

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:2px;
}

/* ---------- Type ---------- */
h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:700;
  letter-spacing:-.025em;
  line-height:1.05;
  margin:0;
  text-wrap:balance;
}
h1{ font-size:clamp(2.35rem, 6vw, 4.9rem); font-weight:800; }
h2{ font-size:clamp(1.75rem, 3.6vw, 2.9rem); }
h3{ font-size:clamp(1.15rem, 1.7vw, 1.45rem); letter-spacing:-.015em; }
h4{ font-size:1rem; letter-spacing:-.005em; }
p{ margin:0; }

.lede{ font-size:clamp(1.02rem,1.35vw,1.2rem); color:var(--chalk-dim); line-height:1.6; max-width:62ch; }
.body-max{ max-width:66ch; }
.dim{ color:var(--chalk-dim); }
.faint{ color:var(--chalk-faint); }

/* Engineering label — the recurring mono voice */
.tag{
  font-family:var(--f-mono);
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--chalk-faint);
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.tag--signal{ color:var(--signal); }
.tag::before{
  content:"";
  width:1.6em; height:1px;
  background:currentColor;
  opacity:.55;
  flex:none;
}
.tag--bare::before{ display:none; }

.num{ font-family:var(--f-mono); font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; }

/* ---------- Layout ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gut); }
.section{ padding-block:clamp(3.5rem, 7vw, 7rem); position:relative; }
.section--tight{ padding-block:clamp(2.5rem,4.5vw,4rem); }
.section--ink{ background:var(--ink); }
.section + .section--ink, .section--ink + .section{ border-top:1px solid var(--rule); }

.grid{ display:grid; gap:clamp(1rem,2vw,1.75rem); }
.cols-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.cols-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.cols-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
@media (max-width:980px){ .cols-3,.cols-4{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:640px){ .cols-2,.cols-3,.cols-4{ grid-template-columns:minmax(0,1fr); } }

/* Section head: sheet-number + title, drawing-sheet convention */
.shead{ display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between; gap:1.5rem 2rem; margin-bottom:clamp(1.75rem,3vw,3rem); }
.shead__l{ max-width:46rem; display:flex; flex-direction:column; gap:.9rem; }
.shead__r{ display:flex; gap:.75rem; align-items:center; }

/* ---------- Header ---------- */
.hdr{
  position:sticky;
  top:env(safe-area-inset-top, 0px);
  z-index:80;
  background:rgba(7,13,12,.86);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--rule);
}
.hdr__in{ display:flex; align-items:center; gap:1.25rem; height:68px; }
.brand{ display:flex; align-items:center; gap:.65rem; text-decoration:none; flex:none; }
.brand__mark{ width:26px; height:26px; flex:none; }
.brand__txt{ font-family:var(--f-display); font-weight:800; font-size:1.06rem; letter-spacing:.15em; }
.brand__txt span{ color:var(--signal); }

.nav{ display:flex; align-items:center; gap:.15rem; margin-inline:auto; }
.nav a{
  font-size:.86rem; font-weight:500; text-decoration:none; color:var(--chalk-dim);
  padding:.5rem .72rem; border-radius:3px; transition:color .18s, background .18s; white-space:nowrap;
}
.nav a:hover{ color:var(--chalk); background:var(--panel-hi); }
.nav a[aria-current="page"]{ color:var(--chalk); }
.nav a[aria-current="page"]::after{
  content:""; display:block; height:2px; background:var(--signal); margin-top:.35rem; border-radius:2px;
}
.hdr__r{ display:flex; align-items:center; gap:.6rem; flex:none; }

.lang{ display:flex; border:1px solid var(--rule-hi); border-radius:3px; overflow:hidden; }
.lang a{
  font-family:var(--f-mono); font-size:.68rem; letter-spacing:.1em; font-weight:500;
  padding:.38rem .5rem; text-decoration:none; color:var(--chalk-faint); transition:.18s;
}
.lang a:hover{ color:var(--chalk); }
.lang a[aria-current="true"]{ background:var(--chalk); color:var(--void); }

.burger{ display:none; background:none; border:1px solid var(--rule-hi); border-radius:3px; width:40px; height:36px; cursor:pointer; padding:0; align-items:center; justify-content:center; }
.burger span{ display:block; width:16px; height:1.5px; background:var(--chalk); position:relative; }
.burger span::before,.burger span::after{ content:""; position:absolute; left:0; width:16px; height:1.5px; background:var(--chalk); }
.burger span::before{ top:-5px; } .burger span::after{ top:5px; }

@media (max-width:1140px){
  .nav{ display:none; }
  .burger{ display:flex; }
}

/* Mobile drawer */
.drawer{ display:none; border-bottom:1px solid var(--rule); background:var(--ink); }
.drawer.open{ display:block; }
.drawer nav{ display:flex; flex-direction:column; padding-block:.75rem 1.25rem; }
.drawer nav a{ padding:.7rem .25rem; text-decoration:none; color:var(--chalk-dim); border-bottom:1px solid var(--rule); font-size:.95rem; }
.drawer nav a:last-child{ border-bottom:0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.6rem;
  font-family:var(--f-body); font-size:.85rem; font-weight:600; letter-spacing:.01em;
  padding:.72rem 1.15rem; border-radius:3px; text-decoration:none; cursor:pointer;
  border:1px solid transparent; transition:.18s ease; white-space:nowrap;
}
.btn svg{ flex:none; transition:transform .18s ease; }
.btn:hover svg{ transform:translateX(3px); }
.btn--primary{ background:var(--signal); color:#120604; }
.btn--primary:hover{ background:#FF7038; }
.btn--ghost{ border-color:var(--rule-hi); color:var(--chalk); }
.btn--ghost:hover{ border-color:var(--chalk-faint); background:var(--panel-hi); }
.btn--sm{ padding:.5rem .8rem; font-size:.78rem; }

.tlink{
  display:inline-flex; align-items:center; gap:.45rem;
  font-family:var(--f-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--signal); text-decoration:none; border-bottom:1px solid var(--signal-line); padding-bottom:.2rem;
  transition:.18s;
}
.tlink:hover{ border-bottom-color:var(--signal); gap:.7rem; }

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; border-bottom:1px solid var(--rule); }
.hero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(120% 90% at 78% 12%, rgba(255,90,31,.10), transparent 58%);
}
.hero__in{ position:relative; z-index:2; padding-block:clamp(3rem,7vw,6.5rem) clamp(2.5rem,5vw,4.5rem); display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:clamp(2rem,4vw,4rem); align-items:center; }
@media (max-width:980px){ .hero__in{ grid-template-columns:minmax(0,1fr); } }
.hero__copy{ display:flex; flex-direction:column; gap:1.5rem; align-items:flex-start; }
.hero h1 em{ font-style:normal; color:var(--signal); }
.hero__cta{ display:flex; flex-wrap:wrap; gap:.75rem; }

/* measurement rail — vertical tick scale, drawing convention */
.rail{ position:absolute; left:0; top:0; bottom:0; width:var(--gut); z-index:1; pointer-events:none; opacity:.5; }
@media (max-width:760px){ .rail{ display:none; } }

/* ---------- Stat strip ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); border-top:1px solid var(--rule); }
@media (max-width:760px){ .stats{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
.stat{ padding:1.4rem clamp(.9rem,2vw,1.6rem); border-right:1px solid var(--rule); display:flex; flex-direction:column; gap:.4rem; }
.stat:last-child{ border-right:0; }
@media (max-width:760px){ .stat:nth-child(2n){ border-right:0; } .stat:nth-child(-n+2){ border-bottom:1px solid var(--rule); } }
.stat__v{ font-family:var(--f-display); font-weight:700; font-size:clamp(1.35rem,2.4vw,2rem); letter-spacing:-.03em; font-variant-numeric:tabular-nums; white-space:nowrap; }
.stat__v small{ font-size:.46em; font-weight:600; color:var(--chalk-faint); margin-left:.25em; letter-spacing:0; }
.stat__k{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--chalk-faint); }

/* ---------- Cards ---------- */
.card{
  background:var(--panel);
  border:1px solid var(--rule);
  border-radius:4px;
  padding:clamp(1.1rem,1.8vw,1.6rem);
  display:flex; flex-direction:column; gap:.85rem;
  position:relative;
  transition:border-color .2s, background .2s, transform .2s;
}
a.card{ text-decoration:none; }
a.card:hover{ border-color:var(--rule-hi); background:var(--panel-hi); }
.card__idx{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.16em; color:var(--chalk-faint); }
.card h3{ margin-top:.1rem; }
.card p{ font-size:.92rem; color:var(--chalk-dim); }
.card__foot{ margin-top:auto; padding-top:.65rem; display:flex; align-items:center; justify-content:space-between; gap:.75rem; border-top:1px solid var(--rule); }
.card__spec{ font-family:var(--f-mono); font-size:.72rem; color:var(--chalk-faint); font-variant-numeric:tabular-nums; }
.card__arrow{ color:var(--signal); display:flex; }

/* product card w/ vector swatch */
.pcard__sw{ height:96px; border:1px solid var(--rule); border-radius:3px; background:var(--void); overflow:hidden; }
.pcard__sw svg{ display:block; width:100%; height:100%; }

/* ---------- Chips ---------- */
.chips{ display:flex; flex-wrap:wrap; gap:.4rem; }
.chip{
  font-family:var(--f-mono); font-size:.68rem; letter-spacing:.06em;
  padding:.3rem .55rem; border:1px solid var(--rule-hi); border-radius:2px;
  color:var(--chalk-dim); text-decoration:none; background:var(--void);
}
a.chip:hover{ border-color:var(--signal-line); color:var(--chalk); }
.chip--on{ background:var(--signal); border-color:var(--signal); color:#120604; }

/* ---------- Tables ---------- */
.tblwrap{ overflow-x:auto; border:1px solid var(--rule); border-radius:4px; background:var(--panel); }
table.spec{ width:100%; border-collapse:collapse; font-size:.85rem; min-width:640px; }
table.spec caption{ text-align:left; padding:1rem 1.1rem; border-bottom:1px solid var(--rule); font-family:var(--f-mono); font-size:.7rem; letter-spacing:.16em; text-transform:uppercase; color:var(--chalk-faint); }
table.spec th, table.spec td{ padding:.62rem .85rem; text-align:left; border-bottom:1px solid var(--rule); vertical-align:top; }
table.spec thead th{
  font-family:var(--f-mono); font-size:.66rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--chalk-faint); font-weight:500; white-space:nowrap; background:var(--panel-hi);
  position:sticky; top:0;
}
table.spec tbody tr:last-child td{ border-bottom:0; }
table.spec tbody tr:hover{ background:var(--panel-hi); }
table.spec td.n{ font-family:var(--f-mono); font-variant-numeric:tabular-nums; white-space:nowrap; }
table.spec td.m{ font-family:var(--f-mono); font-size:.76rem; color:var(--slate); white-space:nowrap; }
table.spec td.f{ font-family:var(--f-mono); font-size:.76rem; color:var(--chalk-faint); white-space:nowrap; }
table.spec th[scope="row"]{ font-weight:500; color:var(--chalk); font-family:var(--f-body); }

/* ---------- Cross-section diagram ---------- */
.xsec{ display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr); gap:clamp(1.25rem,2.5vw,2.5rem); align-items:start; }
@media (max-width:900px){ .xsec{ grid-template-columns:minmax(0,1fr); } }
.xsec__fig{ border:1px solid var(--rule); border-radius:4px; background:var(--panel); padding:.85rem; }
.xsec__fig svg{ display:block; width:100%; height:auto; }
.xlayer{ cursor:pointer; }
.xlayer rect, .xlayer path{ transition:opacity .2s, stroke .2s; }
.xlayer.dim{ opacity:.32; }
.xlist{ display:flex; flex-direction:column; gap:0; border:1px solid var(--rule); border-radius:4px; overflow:hidden; }
.xitem{
  display:flex; gap:.85rem; align-items:flex-start; width:100%; text-align:left;
  background:var(--panel); border:0; border-bottom:1px solid var(--rule);
  padding:.8rem .95rem; cursor:pointer; color:inherit; font:inherit; transition:background .18s;
}
.xitem:last-child{ border-bottom:0; }
.xitem:hover, .xitem.on{ background:var(--panel-hi); }
.xitem.on{ box-shadow:inset 3px 0 0 var(--signal); }
.xitem__sw{ width:14px; height:14px; border-radius:2px; margin-top:.3rem; flex:none; border:1px solid rgba(255,255,255,.18); }
.xitem__t{ font-weight:600; font-size:.92rem; display:block; }
.xitem__d{ font-size:.8rem; color:var(--chalk-dim); display:block; margin-top:.1rem; }

/* ---------- Selector tool ---------- */
.tool{ border:1px solid var(--rule); border-radius:4px; background:var(--panel); overflow:hidden; }
.tool__hd{ padding:1rem 1.15rem; border-bottom:1px solid var(--rule); display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap; background:var(--panel-hi); }
.tool__bd{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:0; }
@media (max-width:820px){ .tool__bd{ grid-template-columns:minmax(0,1fr); } }
.tool__in{ padding:1.15rem; display:flex; flex-direction:column; gap:1.15rem; border-right:1px solid var(--rule); }
@media (max-width:820px){ .tool__in{ border-right:0; border-bottom:1px solid var(--rule); } }
.field{ display:flex; flex-direction:column; gap:.5rem; }
.field > span{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--chalk-faint); }
.opts{ display:flex; flex-wrap:wrap; gap:.4rem; }
.opt{
  font-size:.8rem; padding:.45rem .7rem; border:1px solid var(--rule-hi); border-radius:3px;
  background:var(--void); color:var(--chalk-dim); cursor:pointer; font-family:var(--f-body); transition:.16s;
}
.opt:hover{ color:var(--chalk); border-color:var(--chalk-faint); }
.opt[aria-pressed="true"]{ background:var(--signal); border-color:var(--signal); color:#120604; font-weight:600; }
.tool__out{ padding:1.15rem; display:flex; flex-direction:column; gap:1rem; background:var(--void); }
.readout{ display:flex; flex-direction:column; gap:.2rem; }
.readout__v{ font-family:var(--f-display); font-weight:800; font-size:clamp(2rem,4.5vw,3rem); letter-spacing:-.04em; font-variant-numeric:tabular-nums; line-height:1; }
.readout__v small{ font-size:.34em; color:var(--chalk-faint); margin-left:.4em; letter-spacing:.05em; font-weight:600; }
.readout__k{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--chalk-faint); }
.outrow{ display:flex; justify-content:space-between; gap:1rem; font-size:.85rem; padding:.5rem 0; border-bottom:1px solid var(--rule); }
.outrow:last-of-type{ border-bottom:0; }
.outrow b{ font-family:var(--f-mono); font-weight:500; font-variant-numeric:tabular-nums; text-align:right; }
.note{ font-size:.76rem; color:var(--chalk-faint); line-height:1.5; }

/* ---------- Accordion ---------- */
details.acc{ border-bottom:1px solid var(--rule); }
details.acc summary{
  list-style:none; cursor:pointer; padding:1.05rem .25rem; display:flex; gap:1rem; align-items:baseline; justify-content:space-between;
}
details.acc summary::-webkit-details-marker{ display:none; }
details.acc summary h3{ font-size:1.05rem; }
details.acc summary .pl{ color:var(--signal); font-family:var(--f-mono); flex:none; transition:transform .2s; }
details.acc[open] summary .pl{ transform:rotate(45deg); }
details.acc .accbd{ padding:0 .25rem 1.4rem; display:grid; gap:1rem; }

/* ---------- Project cards ---------- */
.proj{ display:flex; flex-direction:column; border:1px solid var(--rule); border-radius:4px; overflow:hidden; background:var(--panel); }
.proj__fig{ aspect-ratio:16/10; background:var(--void); border-bottom:1px solid var(--rule); max-width:100%; }
.proj__fig svg{ display:block; width:100%; height:100%; }
.proj__bd{ padding:1.15rem; display:flex; flex-direction:column; gap:.7rem; flex:1; }
.proj__meta{ display:flex; gap:.45rem; flex-wrap:wrap; }
.proj dl{ margin:0; display:grid; grid-template-columns:auto 1fr; gap:.3rem .9rem; font-size:.82rem; margin-top:auto; padding-top:.8rem; border-top:1px solid var(--rule); }
.proj dt{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.14em; text-transform:uppercase; color:var(--chalk-faint); padding-top:.18rem; }
.proj dd{ margin:0; font-variant-numeric:tabular-nums; }

/* ---------- Timeline ---------- */
.tl{ display:flex; flex-direction:column; }
.tlrow{ display:grid; grid-template-columns:5.5rem 1fr; gap:1.25rem; padding:1rem 0; border-top:1px solid var(--rule); }
.tlrow:last-child{ border-bottom:1px solid var(--rule); }
.tlrow > .num{ color:var(--signal); font-size:.95rem; }

/* ---------- Doc library ---------- */
.doc{ display:flex; align-items:center; gap:1rem; padding:.9rem 1.05rem; border-bottom:1px solid var(--rule); background:var(--panel); text-decoration:none; transition:background .18s; }
.doc:last-child{ border-bottom:0; }
.doc:hover{ background:var(--panel-hi); }
.doc__ic{ width:30px; height:36px; flex:none; }
.doc__t{ font-weight:600; font-size:.92rem; }
.doc__m{ font-family:var(--f-mono); font-size:.7rem; color:var(--chalk-faint); letter-spacing:.06em; }
.doc__a{ margin-left:auto; color:var(--signal); flex:none; }

/* ---------- Forms ---------- */
.form{ display:grid; gap:1rem; }
.form label{ display:flex; flex-direction:column; gap:.45rem; font-family:var(--f-mono); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--chalk-faint); }
.form input, .form textarea, .form select{
  font-family:var(--f-body); font-size:.95rem; color:var(--chalk);
  background:var(--void); border:1px solid var(--rule-hi); border-radius:3px; padding:.7rem .8rem;
  letter-spacing:normal; text-transform:none; width:100%;
}
.form input:focus, .form textarea:focus, .form select:focus{ border-color:var(--signal); outline:none; }
.form textarea{ min-height:120px; resize:vertical; }

/* ---------- CTA band ---------- */
.cta{ border-top:1px solid var(--rule); background:linear-gradient(180deg, var(--ink), var(--void)); }
.cta__in{ padding-block:clamp(3rem,6vw,5.5rem); display:flex; flex-wrap:wrap; gap:2rem; align-items:center; justify-content:space-between; }

/* ---------- Footer ---------- */
.ftr{ border-top:1px solid var(--rule); background:var(--ink); }
.ftr__in{ padding-block:clamp(2.5rem,4vw,3.5rem); display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:2rem; }
@media (max-width:900px){ .ftr__in{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .ftr__in{ grid-template-columns:1fr; } }
.ftr h4{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.18em; text-transform:uppercase; color:var(--chalk-faint); font-weight:500; margin-bottom:.9rem; }
.ftr ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.5rem; }
.ftr a{ text-decoration:none; color:var(--chalk-dim); font-size:.88rem; }
.ftr a:hover{ color:var(--signal); }
.ftr__bot{ border-top:1px solid var(--rule); padding-block:1.1rem; display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; font-size:.78rem; color:var(--chalk-faint); }

/* ---------- Page hero (inner pages) ---------- */
.phero{ border-bottom:1px solid var(--rule); background:var(--ink); position:relative; overflow:hidden; }
.phero__in{ padding-block:clamp(2.5rem,5vw,4.5rem) clamp(2rem,4vw,3.25rem); display:flex; flex-direction:column; gap:1.1rem; align-items:flex-start; position:relative; z-index:2; }
.phero::after{ content:""; position:absolute; inset:0; background:radial-gradient(90% 120% at 92% 0%, rgba(255,90,31,.08), transparent 60%); pointer-events:none; }
.crumb{ font-family:var(--f-mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--chalk-faint); display:flex; gap:.5rem; flex-wrap:wrap; }
.crumb a{ text-decoration:none; color:var(--chalk-faint); }
.crumb a:hover{ color:var(--signal); }

/* ---------- misc ---------- */
.callout{ border-left:2px solid var(--signal); background:var(--signal-soft); padding:.9rem 1.1rem; border-radius:0 3px 3px 0; font-size:.88rem; color:var(--chalk-dim); }
.hr{ height:1px; background:var(--rule); border:0; margin:0; }
.kv{ display:grid; grid-template-columns:auto 1fr; gap:.55rem 1.25rem; font-size:.9rem; }
.kv dt{ font-family:var(--f-mono); font-size:.68rem; letter-spacing:.13em; text-transform:uppercase; color:var(--chalk-faint); padding-top:.2rem; }
.kv dd{ margin:0; }
.bullets{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.6rem; }
.bullets li{ display:flex; gap:.65rem; font-size:.92rem; color:var(--chalk-dim); align-items:flex-start; }
.bullets li::before{ content:""; width:5px; height:5px; background:var(--signal); margin-top:.6rem; flex:none; border-radius:1px; }
.skip{ position:absolute; left:-9999px; }
.skip:focus{ left:var(--gut); top:.5rem; z-index:200; background:var(--signal); color:#120604; padding:.5rem .8rem; border-radius:3px; }