/* ── About page (about.njk; design reference 6a/6b) ───────────────────────────────────────────
   Wide site-shell column like the homepage, not the .content-page reading width. Headline block
   on white (orange rule → H1 → credibility chips → intro paragraphs), then a primary-tinted
   "Why this site?" band whose tint + hairlines bleed 16px past the page column on each side
   (same ::before technique as region-page.css's .region-band), holding a three-card grid. */
.about-page {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.about-hero {
  max-width: 760px;
  margin-bottom: var(--space-6);
}

.about-hero__rule {
  display: block;
  width: 56px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-accent-rule);
  margin-bottom: 18px;
}

.about-hero h1 {
  max-width: none;
  font-size: clamp(2rem, 1.6rem + 1.8vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.1;
}

/* ul.* — base.css's `ul[class] { margin: 0 }` reset outranks a bare `.about-hero__chips` and
   would zero these margins (same gotcha noted in region-page.css). */
ul.about-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 560px;
  margin: 18px 0 24px;
}

/* Deliberately quieter than the DESIGN.md vibe-tag pill (which is a loud, load-bearing filter
   control): these are just background credentials — pale fill, soft border, 500 — but the text
   stays green, same family as the vibe tags. */
.about-hero__chips li {
  padding: 5px 12px;
  border: 1px solid var(--color-primary-tint-border-soft);
  background: var(--color-primary-tint);
  color: var(--color-primary-dark);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.2;
}

/* 66ch matches .region-page .region-header__intro so the About text column lines up with the
   region pages. Paragraph sizes track region.njk too: first paragraph one notch up, the rest
   at 0.9375rem — a small step, not a lede blow-up. */
.about-hero__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 66ch;
}

.about-hero__body > p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-soft);
}

.about-hero__body > .about-hero__lead {
  font-size: 17px;
}

.about-hero__body > .about-hero__closing {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-text);
}

.about-hero__body > .about-hero__disclaimer {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.about-why {
  position: relative;
  padding-block: var(--space-8);
}

.about-why::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  margin-inline: calc(-1 * var(--space-4));
  background: var(--color-primary-tint);
  border-block: 1px solid var(--color-primary-tint-border-soft);
}

.about-why h2 {
  margin-bottom: 4px;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.about-why__sub {
  margin-bottom: 18px;
  font-size: 15px;
  color: var(--color-text-soft);
}

.about-why__grid {
  display: grid;
  gap: 16px;
}

.about-why__card {
  padding: 20px 22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.about-why__card-rule {
  display: block;
  width: 34px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-accent-rule);
  margin-bottom: 14px;
}

.about-why__card h3 {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.about-why__card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-soft);
}

.about-why__card-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: underline;
}

/* Two up on a small tablet; all three on one row from 900px, where they fit without the third
   dropping to a second row with slack. */
@media (min-width: 768px) {
  .about-why__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .about-why__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}