.bl-hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: clamp(420px, 56vh, 620px);
  padding-block: clamp(3rem, 8vw, 6rem);
  overflow: hidden;
}

.bl-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bl-hero__veil { z-index: 1; }

.bl-hero__wrap {
  position: relative;
  z-index: 2;
  width: 100%;
}


.bl-hero__band { max-width: 38%; }

.bl-hero__h1 {
  margin: var(--sp-4) 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 650;
  line-height: 1.02;
  letter-spacing: -.022em;
}

.bl-hero__lead {
  margin: var(--sp-4) 0 0;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink-muted);
}

.bl-hero__promise {
  margin: var(--sp-4) 0 0;
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--rule);
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--ink);
}



.bl-ledger { border-block-start: 1px solid var(--rule); }

.bl-row {
  display: grid;
  grid-template-columns: 2.5rem 160px minmax(0, 1fr);
  gap: var(--sp-6);
  align-items: start;
  padding-block: var(--sp-6);
  border-block-start: 1px solid var(--rule-soft);
}

.bl-row__n {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-variant-numeric: tabular-nums;
  letter-spacing: .14em;
  color: var(--ink-muted);
}

.bl-row__mat { display: block; }

.bl-row__img {
  width: 160px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--r-flat);
  background: var(--sheet);
}

.bl-row__body { display: block; }

.bl-row__title {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

.bl-row__q {
  display: block;
  margin-block-start: var(--sp-2);
  font-size: var(--fs-body);
  color: var(--ink-muted);
}


.bl-row__tags {
  display: block;
  margin-block-start: var(--sp-3);
  max-width: 74ch;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  line-height: 1.7;
  color: var(--ink-muted);
}

.bl-row__reader {
  display: block;
  margin-block-start: var(--sp-2);
  font-size: var(--fs-micro);
  line-height: 1.5;
  color: var(--ink-muted);
}


.bl-row:hover .bl-row__title,
.bl-row:focus-visible .bl-row__title {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}

.bl-row:hover .bl-row__mat,
.bl-row:focus-visible .bl-row__mat {
  outline: 1.5px solid var(--ink);
  outline-offset: 2px;
}

.bl-row:hover .bl-row__n,
.bl-row:focus-visible .bl-row__n { color: var(--accent-deep); }



.bl-topics { border-block-start: 1px solid var(--rule); }

.bl-h2 {
  margin: 0;
  max-width: 30ch;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -.018em;
}

.bl-topics__tags {
  margin: var(--sp-4) 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .02em;
  color: var(--ink-muted);
}

.bl-topics__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--sp-4);
  margin: var(--sp-8) 0 0;
  padding: 0;
  list-style: none;
}

.bl-topic {
  padding: var(--sp-6) var(--sp-4);
  border: 1px solid var(--rule-soft);
  border-radius: var(--r-card);
  background: var(--sheet);
}

.bl-topic__ico {
  display: block;
  width: 48px;
  height: 48px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.5;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.bl-topic__t {
  margin: var(--sp-4) 0 var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.3;
}


.bl-topic__link {
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: .18em;
}

.bl-topic__link:hover,
.bl-topic__link:focus-visible { text-decoration-color: var(--accent); }

.bl-topic__d {
  margin: 0;
  font-size: var(--fs-micro);
  line-height: 1.55;
  color: var(--ink-muted);
}



.bl-method { border-block-start: 1px solid var(--rule); }

.bl-rules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.bl-rule {
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--rule-soft);
}

.bl-rule__n {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: .14em;
  color: var(--ink-muted);
}

.bl-rule__t {
  margin: var(--sp-2) 0 var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: 1.25;
}

.bl-rule__d {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--ink-muted);
}



.bl-cta__wrap { text-align: center; }

.bl-cta__act { margin: 0 0 var(--sp-6); }

.bl-cta__sub {
  margin: 0 auto;
  max-width: 60ch;
  font-size: var(--fs-small);
  color: var(--ink-muted);
}



@media (max-width: 980px) {
  .bl-topics__grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  
  .bl-hero { display: block; min-height: 0; padding-block: 0; }

  .bl-hero__img { position: static; height: auto; aspect-ratio: 3/2; }

  .bl-hero__veil { display: none; }

  .bl-hero__wrap { padding-block: clamp(2rem, 6vw, 3rem); }

  .bl-hero__band { max-width: 100%; }

  .bl-row { grid-template-columns: 2.5rem minmax(0, 1fr); gap: var(--sp-4); }

  
  .bl-row__mat { grid-column: 2; grid-row: 2; }

  .bl-row__body { grid-column: 2; grid-row: 1; }

  .bl-row__img { width: 100%; height: auto; aspect-ratio: 3/2; }

  .bl-rules { grid-template-columns: minmax(0, 1fr); }
}