/* ═══ LONG-FORM DOCUMENTS ════════════════════════════════════════ */
.doc{
  position:relative; z-index:2;
  max-width:var(--measure); margin-inline:auto;
  padding:clamp(28px,4vw,56px) var(--gutter) clamp(60px,8vw,110px);
}
@media (min-width:1000px){
  .doc__body{ display:grid; grid-template-columns:minmax(0,240px) minmax(0,1fr); gap:clamp(40px,5vw,88px); align-items:start; }
}

.doc__head{
  display:grid; gap:clamp(14px,1.6vw,22px);
  padding-block:clamp(40px,6vw,88px) clamp(30px,4vw,56px);
  border-bottom:1px solid var(--rule);
  margin-bottom:clamp(34px,4vw,60px);
}
.doc__head .title{ font-size:clamp(2rem,5vw,4.2rem); color:var(--ice); max-width:18ch; }
.doc__meta{
  display:flex; gap:clamp(18px,3vw,44px); flex-wrap:wrap;
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:300;
  letter-spacing:var(--track-mono); text-transform:uppercase; color:var(--ice-ghost);
}
.doc__meta b{ color:var(--ice-soft); font-weight:300; }

/* the contents rail */
.toc{ position:sticky; top:clamp(20px,4vh,44px); display:grid; gap:2px; align-content:start; }
.toc h2{
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:300;
  letter-spacing:var(--track-mono); text-transform:uppercase; color:var(--ice-ghost);
  padding-bottom:12px; border-bottom:1px solid var(--rule); margin-bottom:8px;
}
.toc a{
  display:block; padding:8px 0 8px 14px;
  font-size:var(--t-small); line-height:1.35; color:var(--ice-soft);
  border-left:1px solid var(--rule);
  transition:color .3s var(--ease), border-color .3s var(--ease), padding-left .3s var(--ease-out);
}
.toc a:hover, .toc a.on{ color:var(--signal); border-color:var(--signal); padding-left:20px; }
@media (max-width:999px){ .toc{ position:static; margin-bottom:clamp(30px,5vw,50px); } }

/* the prose */
.prose{ max-width:74ch; }
.prose section{ padding-block:clamp(26px,3vw,42px); border-top:1px solid var(--rule); }
.prose section:first-child{ border-top:0; padding-top:0; }
.prose h2{
  font-family:var(--f-display); font-weight:200;
  font-size:clamp(1.35rem,2.4vw,2rem); line-height:1.1;
  text-transform:uppercase; letter-spacing:.02em; color:var(--ice);
  margin-bottom:clamp(14px,1.6vw,20px);
  scroll-margin-top:clamp(20px,5vh,60px);
}
.prose h3{
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:400;
  letter-spacing:var(--track-mono); text-transform:uppercase; color:var(--ice);
  margin:clamp(20px,2.4vw,30px) 0 10px;
}
.prose p{ font-size:var(--t-body); line-height:1.72; color:var(--ice-soft); margin-bottom:1em; }
.prose p:last-child{ margin-bottom:0; }
.prose strong{ color:var(--ice); font-weight:400; }
.prose a{ color:var(--signal); text-decoration:underline; text-underline-offset:3px; }
.prose ul{ display:grid; gap:10px; margin:0 0 1em; }
.prose li{
  position:relative; padding-left:22px;
  font-size:var(--t-body); line-height:1.65; color:var(--ice-soft);
}
.prose li::before{
  content:''; position:absolute; left:2px; top:.62em;
  width:6px; height:1px; background:var(--signal);
}
.prose code{
  font-family:var(--f-mono); font-size:.86em;
  background:rgba(var(--ice-rgb),.07); border-radius:4px;
  padding:2px 6px; color:var(--ice);
}

/* data tables */
.tbl{ width:100%; overflow-x:auto; margin:0 0 1em; }
.tbl table{ width:100%; border-collapse:collapse; min-width:520px; }
.tbl th, .tbl td{
  text-align:left; vertical-align:top;
  padding:12px 16px 12px 0;
  border-bottom:1px solid var(--rule);
  font-size:var(--t-small); line-height:1.5; color:var(--ice-soft);
}
.tbl th{
  font-family:var(--f-mono); font-size:var(--t-micro); font-weight:400;
  letter-spacing:var(--track-mono); text-transform:uppercase; color:var(--ice);
  border-bottom-color:var(--rule-lit);
}
.tbl td code{ white-space:nowrap; }

/* a marker for anything the operator still has to supply */
.fill{
  display:inline-block;
  background:rgba(228,112,124,.16);
  border:1px dashed rgba(228,112,124,.6);
  border-radius:4px; padding:1px 7px;
  font-family:var(--f-mono); font-size:.84em; letter-spacing:.08em;
  color:#E4707C; text-transform:uppercase;
}

.callout{
  border:1px solid var(--rule); border-radius:var(--radius-sm);
  background:rgba(var(--ice-rgb),.03);
  padding:clamp(18px,2vw,26px);
  display:grid; gap:10px; margin:0 0 1em;
}
.callout p:last-child{ margin-bottom:0; }

.doc__foot{
  margin-top:clamp(40px,5vw,72px); padding-top:24px;
  border-top:1px solid var(--rule);
  display:flex; align-items:center; justify-content:space-between; gap:18px; flex-wrap:wrap;
}

/* the bar on a document page is on the page ground, not on the hero */
.doc__bar{
  max-width:var(--measure); margin-inline:auto;
  border-bottom:1px solid var(--rule);
}
.doc-page .bar__nav{ gap:clamp(16px,2vw,28px); }

@media (max-width:820px){
  .doc__bar{ padding:16px 20px; gap:12px; }
  .doc__bar .logo__word{ font-size:.72rem; letter-spacing:.14em; }
  .doc__bar .logo__mark{ width:16px; }
  .doc__bar .bar__nav{ gap:14px; flex:none; }
  /* the logo goes home, and every document ends with a way back —
     a third route only squeezes the bar until the label truncates */
  .doc__bar .nav{ display:none; }
  .doc__head .title{ max-width:none; }
}