.about-page {
  --ink: #142c39;
  --muted: #465d68;
  --accent: #006c60;
  --line: #d5e5e5;
  --bg: #f6fafb;
}

.about-page .site-width {
  width: min(1120px, calc(100% - 2 * clamp(16px, 4vw, 44px)));
}

.about-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.about-header .site-width,
.about-header .brand,
.about-header nav,
.about-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.about-header .site-width {
  justify-content: space-between;
  min-height: 72px;
  padding-block: 12px;
}

.about-header .brand {
  flex-wrap: nowrap;
  gap: 10px;
  color: var(--ink);
}

.about-header .brand img {
  border-radius: 9px;
}

.about-page .primary-link {
  padding: .6rem .9rem;
  font-weight: 700;
  text-decoration: none;
}

.about-page .primary-link:hover {
  background: #00564c;
}

.about-page :focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.about-hero {
  display: grid;
  align-items: center;
  gap: clamp(24px, 5vw, 48px);
  margin-bottom: clamp(36px, 7vw, 72px);
  padding: clamp(22px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(135deg, #fff 38%, #e0f5f2 100%);
}

.about-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}

.about-hero h1 span {
  color: var(--accent);
}

.about-hero p {
  max-width: 47ch;
  margin-bottom: 1.4rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
}

.about-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: #163040;
}

.about-page h2 {
  margin: 0 0 .8rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -.025em;
}

.feature-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 0 22px;
}

.feature-nav a {
  padding: .42rem .75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-weight: 650;
  text-decoration: none;
}

.feature-nav a:hover {
  border-color: var(--accent);
  background: #e8f7f4;
}

.feature-grid {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(28px, 5vw, 52px);
}

.feature-card {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  scroll-margin-top: 20px;
}

.feature-card:target {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.feature-card h3 {
  margin: 0 0 .6rem;
  font-size: clamp(1.18rem, 2.2vw, 1.4rem);
  letter-spacing: -.02em;
}

.feature-card p,
.about-page .paper p {
  color: var(--muted);
}

.feature-card p:last-child,
.about-page .paper p:last-child {
  margin-bottom: 0;
}

.hub-card {
  grid-column: 1 / -1;
  background: #e8f7f4;
}

.about-page .paper {
  margin-bottom: clamp(28px, 5vw, 48px);
}

.about-footer {
  padding-block: 18px 30px;
  border-top: 1px solid var(--line);
}

@media (min-width: 740px) {
  .about-hero {
    grid-template-columns: 1.15fr 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}