.seo-shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 42px;
}

.seo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 22px;
}

.seo-brand-link {
  color: var(--text);
  text-decoration: none;
}

.seo-brand {
  margin: 0;
  font-size: 38px;
  font-weight: 820;
  line-height: 1;
}

.seo-brand-note {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.seo-back-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 680;
  text-decoration: none;
}

.seo-back-link:hover,
.seo-back-link:focus-visible {
  border-color: var(--accent);
  color: var(--accent-dark);
  outline: none;
}

.seo-page-main {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(251, 250, 248, 0.97);
  box-shadow: var(--shadow);
}

.seo-hero {
  padding: clamp(36px, 7vw, 72px) clamp(22px, 6vw, 68px) 48px;
  background:
    linear-gradient(135deg, rgba(255, 47, 36, 0.11), transparent 52%),
    var(--surface);
}

.seo-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 820;
  line-height: 1.06;
}

.seo-hero-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
}

.seo-primary-link {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  margin-top: 28px;
  border-radius: 8px;
  padding: 0 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 740;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(255, 47, 36, 0.2);
}

.seo-primary-link:hover,
.seo-primary-link:focus-visible {
  background: var(--accent-dark);
  outline: none;
}

.seo-section {
  padding: 44px clamp(22px, 6vw, 68px);
  border-top: 1px solid var(--line);
}

.seo-section h2 {
  margin-bottom: 10px;
  font-size: clamp(24px, 3vw, 32px);
}

.seo-section-intro {
  max-width: 720px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.seo-prompt-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.seo-prompt-card {
  display: flex;
  min-height: 152px;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--surface);
  color: var(--text);
  font-size: 16px;
  font-weight: 660;
  line-height: 1.55;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.seo-prompt-card span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 720;
}

.seo-prompt-card:hover,
.seo-prompt-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--surface-2);
  outline: none;
}

.seo-context-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.seo-context-grid article {
  border-left: 3px solid var(--accent);
  padding-left: 18px;
}

.seo-context-grid h3 {
  margin-bottom: 8px;
}

.seo-context-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.seo-topic-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.seo-topic-links a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.seo-topic-links a:hover,
.seo-topic-links a:focus-visible,
.seo-topic-links a[aria-current="page"] {
  border-color: var(--accent);
  background: var(--surface-2);
  color: var(--accent-dark);
  outline: none;
}

.seo-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.seo-footer a {
  color: var(--accent-dark);
  font-weight: 680;
  text-decoration: none;
}

@media (max-width: 760px) {
  .seo-prompt-grid {
    grid-template-columns: 1fr;
  }

  .seo-prompt-card {
    min-height: 0;
  }

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

@media (max-width: 520px) {
  .seo-shell {
    width: min(100% - 20px, 1040px);
    padding-top: 18px;
  }

  .seo-brand {
    font-size: 32px;
  }

  .seo-back-link {
    padding: 0 11px;
  }

  .seo-hero,
  .seo-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .seo-primary-link {
    width: 100%;
  }

  .seo-footer {
    flex-direction: column;
  }
}