.seo-header-shell {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.seo-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.seo-nav a {
  border-radius: var(--radius);
  color: var(--muted-strong);
  padding: 9px 10px;
  font-size: 13px;
  font-weight: 800;
}

.seo-nav a:hover,
.seo-nav a:focus-visible {
  background: color-mix(in srgb, var(--blue) 9%, transparent);
  color: var(--blue-strong);
  outline: none;
}

.seo-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 16%, color-mix(in srgb, var(--cyan) 16%, transparent), transparent 26rem),
    linear-gradient(135deg, color-mix(in srgb, var(--blue) 8%, transparent), transparent 46%);
}

.seo-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: 48px;
  align-items: center;
  padding: 72px 0 68px;
}

.seo-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 13px;
}

.seo-breadcrumb a {
  color: var(--blue-strong);
  font-weight: 800;
}

.seo-hero h1 {
  max-width: 800px;
  margin: 16px 0 0;
  font-size: 48px;
  line-height: 1.04;
}

.seo-lead {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted-strong);
  font-size: 18px;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.seo-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.seo-highlights li {
  border-top: 2px solid var(--cyan);
  color: var(--muted-strong);
  padding-top: 10px;
  font-size: 13px;
  font-weight: 800;
}

.seo-summary-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--cyan) 14%, transparent), transparent 16rem),
    color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
  padding: 26px;
}

.seo-summary-panel > span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-summary-panel h2 {
  margin: 8px 0 0;
  font-size: 25px;
  line-height: 1.18;
}

.seo-summary-panel ul {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.seo-summary-panel li {
  position: relative;
  border-top: 1px solid var(--line);
  color: var(--muted-strong);
  padding: 12px 0 0 20px;
}

.seo-summary-panel li::before {
  position: absolute;
  top: 18px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
}

.seo-section {
  padding: 74px 0;
}

.seo-section:nth-child(even) {
  border-block: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  background: color-mix(in srgb, var(--surface-strong) 48%, transparent);
}

.seo-section-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.76fr) minmax(0, 1.24fr);
  gap: 56px;
  align-items: start;
}

.seo-section h2 {
  margin: 8px 0 0;
  font-size: 34px;
  line-height: 1.12;
}

.seo-section-copy {
  display: grid;
  gap: 16px;
}

.seo-section-copy p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 16px;
}

.seo-check-grid,
.seo-brand-grid,
.seo-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.seo-check-grid li,
.seo-brand-card,
.seo-related-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 18px;
}

.seo-check-grid li {
  color: var(--muted-strong);
  font-weight: 750;
}

.seo-brand-card h3,
.seo-related-card h3 {
  margin: 0;
  font-size: 18px;
}

.seo-brand-card p,
.seo-related-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.seo-related-card {
  display: block;
  transition:
    border-color 180ms ease,
    transform 180ms var(--motion-ease);
}

.seo-related-card:hover,
.seo-related-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
  outline: none;
}

.seo-regions {
  display: grid;
  gap: 12px;
}

.seo-region {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.seo-region:last-child {
  border-bottom: 0;
}

.seo-region strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.seo-region span {
  color: var(--muted);
}

.seo-proof {
  padding: 56px 0;
  text-align: center;
}

.seo-proof h2 {
  margin: 0;
  font-size: 28px;
}

.seo-logo-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.seo-logo-row div {
  display: grid;
  min-height: 86px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
}

.seo-logo-row img {
  max-height: 48px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.78;
}

.seo-faq {
  display: grid;
  gap: 10px;
}

.seo-faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

.seo-faq summary {
  cursor: pointer;
  font-weight: 850;
}

.seo-faq p {
  margin: 12px 0 0;
  color: var(--muted-strong);
}

.seo-disclaimer {
  border-left: 3px solid var(--cyan);
  background: color-mix(in srgb, var(--cyan) 7%, transparent);
  color: var(--muted-strong);
  padding: 14px 16px;
  font-size: 13px;
}

.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  border-top: 1px solid var(--line);
  padding: 18px 20px;
}

.seo-footer-links a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

@media (max-width: 1080px) {
  .seo-nav {
    display: none;
  }

  .seo-hero-layout {
    grid-template-columns: 1fr;
  }

  .seo-summary-panel {
    max-width: 720px;
  }
}

@media (max-width: 760px) {
  .seo-header-shell {
    min-height: 68px;
  }

  .seo-header-shell .button {
    display: none;
  }

  .seo-hero-layout {
    gap: 30px;
    padding: 48px 0;
  }

  .seo-hero h1 {
    font-size: 36px;
  }

  .seo-highlights,
  .seo-section-layout,
  .seo-check-grid,
  .seo-brand-grid,
  .seo-related-grid {
    grid-template-columns: 1fr;
  }

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

  .seo-section {
    padding: 56px 0;
  }

  .seo-section h2 {
    font-size: 29px;
  }
}