/* ============================================================
   About · Swiss Engineer Style (2026-04)
   作用域：body.page-about
   ============================================================ */

body.page-about {
  background: var(--sw-bg);
  background-image:
    linear-gradient(var(--sw-line-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--sw-line-grid) 1px, transparent 1px);
  background-size: var(--sw-grid-cell) var(--sw-grid-cell);
  color: var(--sw-ink);
  font-family: var(--sw-sans);
}

body.page-about .about-wrapper {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(40px, 7vh, 88px) clamp(20px, 4vw, 48px) clamp(48px, 8vh, 96px);
}

body.page-about .section-kicker {
  font-family: var(--sw-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sw-accent);
  margin: 0 0 12px;
}
body.page-about .section-kicker-dash {
  color: var(--sw-ink);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- Hero ---------- */
body.page-about .about-hero {
  border-bottom: 1px solid var(--sw-line);
  padding-bottom: clamp(28px, 5vh, 48px);
  margin-bottom: clamp(32px, 5vh, 56px);
}
body.page-about .about-title {
  font-size: clamp(32px, 4.5vw, 44px);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 800;
}
body.page-about .about-lede {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.7;
  color: var(--sw-ink-soft);
  max-width: 640px;
  margin: 0;
}

/* ---------- Section ---------- */
body.page-about .about-section {
  margin-bottom: clamp(28px, 5vh, 48px);
}
body.page-about .about-section h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  font-weight: 700;
  position: relative;
  padding-left: 16px;
}
body.page-about .about-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 4px;
  height: 0.7em;
  background: var(--sw-accent);
}
body.page-about .about-section p,
body.page-about .about-section li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--sw-ink);
}
body.page-about .about-section p {
  margin: 0 0 12px;
}
body.page-about .about-section ol,
body.page-about .about-section ul {
  margin: 0 0 12px;
  padding-left: 24px;
}
body.page-about .about-section li {
  margin-bottom: 6px;
}
body.page-about .about-section strong {
  font-weight: 700;
  color: var(--sw-ink);
}

/* ---------- Pledge list ---------- */
body.page-about .about-pledge {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 14px;
  margin-top: 16px;
}
body.page-about .about-pledge li {
  border-left: 3px solid var(--sw-accent);
  padding: 10px 14px;
  background: var(--sw-bg-card, rgba(0, 0, 0, 0.02));
}
body.page-about .about-pledge strong {
  display: inline-block;
  margin-right: 4px;
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  body.page-about .about-title { font-size: 28px; }
  body.page-about .about-lede { font-size: 14px; }
  body.page-about .about-section h2 { font-size: 19px; }
  body.page-about .about-section p,
  body.page-about .about-section li { font-size: 14px; }
}