/* ─── About page ───────────────────────────────────────────────────── */

.ab-hero {
  padding: calc(var(--nav-h) + 80px) 24px 64px;
  text-align: center;
  background: linear-gradient(180deg, var(--hero-from) 0%, var(--bg) 100%);
}
.ab-hero-inner { max-width: 880px; margin: 0 auto; }
.ab-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.ab-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -1.2px;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.ab-title-accent {
  background: linear-gradient(135deg, #34C759 0%, #0071E3 50%, #5856D6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ab-sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto;
}

/* Sections */
.ab-section {
  padding: 80px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.ab-section-alt { background: var(--surface-2); }
.ab-section-inner { max-width: 880px; margin: 0 auto; }
.ab-section-prose .ab-eyebrow { margin-bottom: 12px; }
.ab-section-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.7px;
  color: var(--text-primary);
  margin-bottom: 28px;
}

/* Prose paragraph typography */
.ab-section-prose p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-primary);
  margin-bottom: 18px;
  max-width: 720px;
}
.ab-prose-signature {
  font-size: 16px !important;
  line-height: 1.6 !important;
  color: var(--text-secondary) !important;
  margin-top: 32px !important;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.ab-prose-signature em {
  font-style: italic;
  color: var(--text-primary);
}
.ab-prose-signature span {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* Three pillars grid */
.ab-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.ab-pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}
.ab-pillar-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  color: var(--accent);
  margin-bottom: 14px;
}
.ab-pillar h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}
.ab-pillar p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.ab-pillar a {
  color: var(--accent);
  text-decoration: none;
}
.ab-pillar a:hover { text-decoration: underline; }

/* USA card */
.ab-usa-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 28px;
  align-items: center;
  padding: 36px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}
.ab-usa-flag svg {
  width: 90px;
  height: auto;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.ab-usa-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.ab-usa-sub {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* CTA */
.ab-cta {
  text-align: center;
  padding: 48px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}
.ab-cta-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.ab-cta p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 24px;
}
.ab-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text-primary);
  color: var(--bg);
  padding: 13px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: opacity 0.15s ease;
}
.ab-cta-link:hover { opacity: 0.85; }

/* Responsive */
@media (max-width: 640px) {
  .ab-hero { padding: calc(var(--nav-h) + 40px) 20px 40px; }
  .ab-title { font-size: 36px; }
  .ab-sub { font-size: 16px; }
  .ab-section { padding: 56px 20px; }
  .ab-section-title { font-size: 26px; }
  .ab-section-prose p { font-size: 16px; }
  .ab-usa-card { grid-template-columns: 1fr; padding: 28px 24px; gap: 16px; text-align: center; }
  .ab-usa-flag { display: flex; justify-content: center; }
  .ab-usa-title { font-size: 22px; }
  .ab-cta { padding: 36px 24px; }
  .ab-cta-title { font-size: 24px; }
}