.commercial-hero {
  padding: 64px 48px;
  border-top: none;
  border-bottom: var(--rule);
  background: var(--bg);
  text-align: center;
}

.commercial-hero-copy {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.commercial-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.commercial-hero .hero-sub {
  margin-bottom: 32px;
  color: #555;
  font-size: 16px;
  line-height: 1.65;
}

.commercial-definition {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.commercial-definition > div {
  padding: 60px 64px;
  min-width: 0;
}

.commercial-definition-copy {
  border-left: var(--rule);
  background: #f7faf8;
}

.commercial-definition-copy p {
  margin-bottom: 22px;
  font-size: 18px;
  line-height: 1.7;
}

.commercial-definition-copy p:last-child {
  margin-bottom: 0;
}

.commercial-section {
  padding: 72px 48px;
}

.commercial-section-muted {
  background: #f7f7f3;
}

.commercial-section-heading {
  max-width: 760px;
}

.commercial-section-heading-centered {
  margin: 0 auto 40px;
  text-align: center;
}

.commercial-section-heading > p:last-child,
.commercial-workflow .commercial-section-heading > p:last-child {
  margin-top: 14px;
  color: #555;
  font-size: 17px;
}

.commercial-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.commercial-card {
  padding: 30px;
  border: var(--rule);
  background: #fff;
  box-shadow: 6px 6px 0 #111;
  min-width: 0;
}

.commercial-card-grid-accent .commercial-card:nth-child(odd) {
  background: #eff8f4;
}

.commercial-card h3,
.commercial-steps h3,
.commercial-check-grid h3,
.commercial-faq-grid h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.commercial-card p,
.commercial-steps p,
.commercial-check-grid p,
.commercial-faq-grid p {
  color: #555;
  line-height: 1.65;
}

.commercial-workflow {
  padding: 72px 48px;
  border-top: var(--rule);
  border-bottom: var(--rule);
  background: #fff;
}

.commercial-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.commercial-steps li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  min-width: 0;
  padding: 28px;
  border: var(--rule);
  background: #fff;
  box-shadow: 5px 5px 0 #111;
}

.commercial-steps li > span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 2px solid #111;
  background: var(--yellow);
  font-weight: 800;
}

.commercial-steps li > div {
  min-width: 0;
}

.commercial-evaluation {
  background: #f7f7f3;
}

.commercial-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto;
}

.commercial-check-grid article {
  padding: 30px;
  border: var(--rule);
  background: #fff;
  box-shadow: 5px 5px 0 #111;
}

.commercial-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  border-top: var(--rule);
  border-left: var(--rule);
}

.commercial-faq-grid article {
  padding: 30px;
  border-right: var(--rule);
  border-bottom: var(--rule);
}

.commercial-related {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  gap: 48px;
  padding: 64px 48px;
  border-top: var(--rule);
  background: #f7f7f3;
}

.commercial-related-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.commercial-related-links a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border: 2px solid #111;
  background: #fff;
  color: #111;
  text-decoration: none;
}

.commercial-related-links a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 #111;
}

.commercial-related-links span {
  color: #555;
  font-size: 14px;
  line-height: 1.5;
}

.commercial-capabilities-actions {
  margin-top: 36px;
}

.commercial-cta-copy {
  max-width: 720px;
  margin: 0 auto 28px;
}

@media (max-width: 820px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  nav {
    padding-left: 16px;
    padding-right: 16px;
  }

  nav .wordmark img {
    max-width: 128px;
  }

  nav .nav-right {
    gap: 8px;
  }

  nav .nav-cta {
    padding: 6px 8px;
    white-space: nowrap;
  }

  .commercial-section,
  .commercial-workflow,
  .commercial-related {
    padding: 48px 22px;
  }

  .commercial-hero {
    padding: 40px 24px;
  }

  .commercial-definition,
  .commercial-related {
    grid-template-columns: 1fr;
  }

  .commercial-definition > div,
  .commercial-steps li {
    padding: 36px 24px;
  }

  .commercial-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .commercial-steps li {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 18px;
  }

  .commercial-hero h1,
  .commercial-section h2,
  .commercial-definition h2,
  .commercial-workflow h2,
  .commercial-related h2 {
    overflow-wrap: anywhere;
  }

  .commercial-definition-copy {
    border-top: var(--rule);
    border-left: 0;
  }

  .commercial-card-grid,
  .commercial-check-grid,
  .commercial-faq-grid,
  .commercial-related-links {
    grid-template-columns: 1fr;
  }
}