.ab-hero { padding-block-start: clamp(3rem, 8vw, 6.5rem); }

.ab-hero__body { max-width: 48rem; }

.ab-hero__h1 {
  margin: var(--sp-4) 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -.022em;
}

.ab-hero__sub {
  margin: var(--sp-6) 0 0;
  max-width: 54ch;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink-muted);
}


.ab-rail {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  max-width: 40rem;
  margin-block-start: clamp(2rem, 5vw, 3.5rem);
}

.ab-rail__year {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
  color: var(--ink);
}

.ab-rail__year--now { color: var(--accent-deep); }

.ab-rail__line {
  flex: 1 1 auto;
  height: 1.5px;
  background: var(--rule);
}

.ab-rail__mark {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--accent);
}



.ab-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-6);
  margin: 0;
  padding: 0;
  list-style: none;
}

.ab-stat {
  display: grid;
  gap: var(--sp-3);
  align-content: start;
  padding-inline-start: var(--sp-6);
  border-inline-start: 1px solid var(--rule-soft);
}


.ab-stat .fig { font-size: clamp(2rem, 3.4vw, 3rem); }

.ab-stat__l {
  font-size: var(--fs-small);
  line-height: 1.45;
  color: var(--ink-muted);
}



.ab-plan__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.ab-plan__fig { margin: 0; }

.ab-plan__svg { display: block; width: 100%; height: auto; }

.ab-svg__fill rect { fill: var(--ground-cool); }

.ab-svg__line rect,
.ab-svg__line path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.5;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.ab-svg__line > rect:first-child { stroke: var(--ink-muted); stroke-width: 1; }

.ab-svg__dim path {
  fill: none;
  stroke: var(--ink-muted);
  stroke-width: 1;
}

.ab-svg__accent path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
}

.ab-svg__txt text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  fill: var(--ink);
}



.ab-tl {
  display: grid;
  gap: var(--sp-8);
  margin: 0;
  padding: 0 0 0 var(--sp-6);
  list-style: none;
  border-inline-start: 1.5px solid var(--rule);
}

.ab-tl__row {
  position: relative;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: var(--sp-6);
  align-items: baseline;
}

.ab-tl__row::before {
  content: "";
  position: absolute;
  top: .5em;
  left: calc(-1 * var(--sp-6) - 5px);
  width: 7px;
  height: 7px;
  background: var(--ground);
  border: 1.5px solid var(--rule);
}

.ab-tl__row:last-child::before {
  background: var(--accent);
  border-color: var(--accent);
}

.ab-tl__year {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.ab-tl__txt {
  margin: 0;
  max-width: 62ch;
}



.ab-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.ab-media { position: relative; margin: 0; }

.ab-media__img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-card);
}


.ab-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--scrim);
  opacity: .14;
  border-radius: var(--r-card);
}

.ab-h2 {
  margin: 0 0 var(--sp-6);
  max-width: 30ch;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -.015em;
}

.ab-cap {
  margin: var(--sp-3) 0 0;
  max-width: 60ch;
  font-size: var(--fs-micro);
  line-height: 1.45;
  color: var(--ink-muted);
}

.ab-note {
  margin: var(--sp-4) 0 0;
  max-width: 68ch;
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--ink-muted);
}

.ab-note--mono {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .04em;
}

.ab-spec-line {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .04em;
  line-height: 1.5;
  color: var(--ink-muted);
}



.ab-table { max-width: 54rem; }


.ab-tbl__group tr:first-child > * { border-block-start: 1px solid var(--rule); }


.ab-tick {
  display: inline-block;
  width: 2px;
  height: .9em;
  margin-inline-end: var(--sp-2);
  vertical-align: -.12em;
  background: var(--accent);
}



.ab-certGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

.ab-certCard { margin: 0; }

.ab-certCard__mat {
  padding: var(--sp-4);
  background: var(--deep);
}

.ab-certCard__img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: var(--sheet);
}

.ab-certCard__img--wide { aspect-ratio: 4 / 3; }



.ab-cta { padding-block: clamp(3rem, 6vw, 5rem); }

.ab-cta__wrap {
  display: grid;
  gap: var(--sp-6);
  justify-items: start;
}

.ab-cta__h2 { margin: 0; max-width: 24ch; }

.ab-cta__lede {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink-muted);
}

.ab-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin: 0;
}



@media (max-width: 900px) {
  .ab-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-8) var(--sp-6); }
  .ab-plan__grid,
  .ab-2col { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .ab-stats { grid-template-columns: minmax(0, 1fr); }
  .ab-stat { padding-inline-start: var(--sp-4); }
  .ab-certGrid { grid-template-columns: minmax(0, 1fr); }
  .ab-tl__row { grid-template-columns: minmax(0, 1fr); gap: var(--sp-2); }
  .ab-tl__row::before { top: .45em; }
}