.af-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem); }

.af-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.af-hero__h1 {
  margin: var(--sp-4) 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -.02em;
}

.af-hero__deck { margin: var(--sp-6) 0 0; max-width: 50ch; }

.af-hero__cells {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-4);
  margin-block-start: var(--sp-8);
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--rule);
}

.af-cell { display: grid; gap: var(--sp-1); }

.af-cell__fig {
  font-family: var(--font-mono);
  font-size: clamp(1.375rem, 1.9vw, 1.75rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -.02em;
}

.af-cell__lab { font-size: var(--fs-micro); line-height: 1.4; color: var(--ink-muted); }

.af-hero__draw { margin: 0; min-width: 0; }

@media (max-width: 900px) {
  .af-hero__grid { grid-template-columns: minmax(0, 1fr); }
  .af-hero__h1 { max-width: none; }
}



.afsvg { display: block; width: 100%; height: auto; }
.afsvg text { font-family: var(--font-body); fill: var(--ink); }
.afsvg .afbox { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linejoin: miter; }
.afsvg .afboxm { fill: none; stroke: var(--ink-muted); stroke-width: 1.5; stroke-linejoin: miter; }
.afsvg .afln { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: square; }
.afsvg .aflnm { fill: none; stroke: var(--ink-muted); stroke-width: 1.5; stroke-linecap: square; }
.afsvg .afmeshln { fill: none; stroke: var(--ink-muted); stroke-width: 1.5; stroke-linecap: square; }
.afsvg .afdash { fill: none; stroke: var(--ink-muted); stroke-width: 1.5; stroke-dasharray: 7 5; stroke-linecap: square; }
.afsvg .afdashm { fill: none; stroke: var(--ink-muted); stroke-width: 1.5; stroke-dasharray: 3 3; }
.afsvg .afacc { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: square; }
.afsvg .afaccd { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 8 5; stroke-linecap: square; }
.afsvg .afarrow { fill: var(--accent); stroke: none; }
.afsvg .afarrowm { fill: var(--ink-muted); stroke: none; }
.afsvg .affillc { fill: var(--ground-cool); stroke: none; }
.afsvg .aflab { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-muted); }
.afsvg .aflabH { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .16em; fill: var(--ink); }
.afsvg .affig { font-family: var(--font-mono); font-size: 13px; font-variant-numeric: tabular-nums; fill: var(--ink); }
.afsvg .affiga { font-family: var(--font-mono); font-size: 13px; fill: var(--accent-deep); }
.afsvg .afbadge { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.afsvg .afbadget { font-family: var(--font-mono); font-size: 12px; font-weight: 600; fill: var(--ink); }



.af-lede {
  margin: 0 0 var(--sp-8);
  max-width: 60ch;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: 1.3;
}

.af-tag {
  display: grid;
  grid-template-columns: minmax(0, 14ch) minmax(0, 1fr);
  gap: var(--sp-2) var(--sp-4);
  margin: 0;
  padding-block: var(--sp-3);
  border-block-start: 1px solid var(--rule-soft);
}

.af-tag:first-child { border-block-start: 0; }

.af-tag__k {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding-block-start: .35em;
}

.af-tag__v { margin: 0; font-size: var(--fs-small); line-height: 1.55; }

.af-note { margin: var(--sp-6) 0 0; max-width: var(--wrap-txt); font-size: var(--fs-small); line-height: 1.65; }

.af-close {
  display: grid;
  grid-template-columns: minmax(0, 9ch) minmax(0, 1fr);
  gap: var(--sp-2) var(--sp-4);
  margin: var(--sp-6) 0 0;
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--rule);
  font-size: var(--fs-small);
  font-weight: 600;
  line-height: 1.55;
}

.af-close__lab {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-block-start: .3em;
}

.af-close--acc { color: var(--accent-deep); }
.af-close--acc .af-close__lab { color: var(--ink-muted); }

.af-scrollWide { max-width: 100%; }

@media (max-width: 1100px) {
  .af-scrollWide { overflow-x: auto; }
  .af-scrollWide .spec { min-width: 620px; }
}

.af-fig { margin: 0; }
.af-fig__cap { margin: var(--sp-4) 0 0; max-width: 100ch; font-size: var(--fs-micro); line-height: 1.55; color: var(--ink-muted); }
.af-fig__cap code { font-family: var(--font-mono); }

.af-figrow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-6);
  margin-block-end: var(--sp-8);
}

.af-figrow__i { display: grid; gap: var(--sp-2); padding-block-start: var(--sp-4); border-block-start: 1px solid var(--rule); }

.af-figrow__fig {
  font-family: var(--font-mono);
  font-size: var(--fs-figure);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: .95;
  letter-spacing: -.02em;
}

.af-figrow__lab { font-size: var(--fs-small); color: var(--ink-muted); }

.af-rules { margin: 0; padding: 0; list-style: none; }

.af-rules li {
  display: grid;
  grid-template-columns: minmax(0, 5ch) minmax(0, 1fr);
  gap: var(--sp-2) var(--sp-4);
  padding-block: var(--sp-3);
  border-block-start: 1px solid var(--rule-soft);
}

.af-rules li:first-child { border-block-start: 0; }

.af-rules__n { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--ink-muted); }
.af-rules__t { margin: 0; font-size: var(--fs-small); line-height: 1.6; }



.af-card {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-6);
  align-items: start;
}

.af-card__lead { display: grid; gap: var(--sp-2); }

.af-card__fig {
  font-family: var(--font-mono);
  font-size: var(--fs-figure);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: .95;
  letter-spacing: -.02em;
}

.af-card__lab { font-size: var(--fs-small); color: var(--ink-muted); }

.af-card__lines { margin: 0; padding: 0; list-style: none; }

.af-card__lines li {
  padding-block: var(--sp-3);
  border-block-start: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
}

.af-card__lines li:first-child { border-block-start: 0; }

@media (max-width: 820px) { .af-card { grid-template-columns: minmax(0, 1fr); } }



.af-steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 0; }

.af-steps li {
  display: grid;
  grid-template-columns: minmax(0, 6ch) minmax(0, 1fr);
  gap: var(--sp-2) var(--sp-4);
  padding-block: var(--sp-4);
  border-block-start: 1px solid var(--rule-soft);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.af-steps li:first-child { border-block-start: 0; }
.af-steps__n { font-family: var(--font-mono); color: var(--ink-muted); }



.af-spec {
  margin: 0;
  padding: var(--sp-6);
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--r-flat);
  overflow-x: auto;
}

.af-spec code {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  line-height: 2;
  white-space: pre;
  color: var(--ink);
}



.af-cta { display: grid; justify-items: center; text-align: center; gap: var(--sp-6); }
.af-cta__line { margin: 0 auto; max-width: var(--wrap-txt); }
.af-cta__links { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--sp-6); font-size: var(--fs-small); font-weight: 600; }