.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.signal-strip > div {
  padding: 22px clamp(20px, 5vw, 56px);
  background: var(--panel);
}

.signal-strip strong {
  display: block;
  margin-top: 8px;
  font-size: 1.05rem;
}

.section {
  padding: clamp(70px, 10vw, 118px) clamp(20px, 6vw, 76px);
}

.intro-grid,
.compact,
.contact {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: start;
}

.intro-grid p,
.compact li,
.contact h2,
.feature p,
.cards p,
.link-row span {
  color: var(--muted);
  line-height: 1.65;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading h2,
.intro-grid h2,
.compact h2,
.contact h2 {
  margin-top: 10px;
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.5fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.feature > div,
.cards article {
  background: var(--panel);
}

.feature-main {
  padding: clamp(28px, 5vw, 52px);
}

.feature-main h3 {
  max-width: 660px;
  margin-top: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
}

.feature-main p {
  max-width: 760px;
  margin-top: 20px;
}

.feature-aside {
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 32px;
}

.metric {
  color: var(--cardinal);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.link-row {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.link-row a,
.contact-links a {
  font-weight: 750;
  color: var(--teal-dark);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.cards article {
  min-height: 250px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.cards h3 {
  margin-top: 18px;
}

.cards p {
  margin-top: 14px;
}

.project-list {
  margin: 0;
  padding-left: 20px;
}

.project-list li + li {
  margin-top: 12px;
}

.contact {
  background: var(--graphite);
  color: white;
}

.contact .eyebrow,
.contact-links a {
  color: #80d8d2;
}

.contact h2 {
  color: white;
}

.contact-links {
  align-self: center;
  flex-wrap: wrap;
  gap: 18px;
}

.contact-links a {
  border-bottom: 1px solid currentColor;
}

footer {
  justify-content: space-between;
  gap: 18px;
  padding: 22px clamp(20px, 6vw, 76px);
  color: var(--muted);
  background: white;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .site-header {
    position: sticky;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    min-height: 86vh;
  }

  .signal-strip,
  .intro-grid,
  .compact,
  .contact,
  .feature,
  .cards {
    grid-template-columns: 1fr;
  }

  .cards article {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 14px;
    padding-block: 14px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    font-size: 0.82rem;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
    padding-bottom: 34px;
  }

  h1 {
    font-size: clamp(2.3rem, 10.8vw, 3rem);
    line-height: 1.02;
  }

  .hero-copy {
    margin-top: 16px;
    font-size: 0.98rem;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}