.seo-shell {
  max-width: 1040px;
  min-width: 0;
}

.seo-shell > * {
  min-width: 0;
}

.seo-nav-home {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.seo-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-soft);
  font-size: 0.8rem;
  margin-top: 18px;
}

.seo-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.seo-breadcrumb a:hover,
.seo-text-link:hover {
  color: var(--text);
}

.seo-hero {
  max-width: 850px;
  padding: 44px 0 22px;
}

.seo-kicker {
  display: inline-block;
  color: var(--info-light);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.seo-hero h1 {
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 3.65rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.seo-lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.seo-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.seo-point {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.seo-point strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.seo-point span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.seo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
  margin-top: 24px;
}

.seo-article {
  padding: 34px;
}

.seo-article h2 {
  margin: 38px 0 12px;
  font-size: 1.55rem;
  line-height: 1.2;
}

.seo-article h2:first-child {
  margin-top: 0;
}

.seo-article h3 {
  margin: 24px 0 8px;
  font-size: 1.05rem;
}

.seo-article p,
.seo-article li {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.72;
}

.seo-article ul,
.seo-article ol {
  padding-left: 22px;
}

.seo-article li + li {
  margin-top: 8px;
}

.seo-aside {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 14px;
}

.seo-aside-card {
  padding: 22px;
}

.seo-aside-card h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.seo-aside-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.seo-aside-card .button-link {
  width: 100%;
  margin-top: 16px;
}

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

.seo-faq {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.seo-faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.025);
}

.seo-faq summary {
  cursor: pointer;
  font-weight: 700;
}

.seo-faq details p {
  margin-bottom: 0;
}

.seo-related {
  padding: 28px;
  margin-top: 24px;
}

.seo-related h2 {
  margin: 0 0 18px;
  font-size: 1.3rem;
}

.seo-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.seo-related-grid a {
  display: block;
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.9rem;
  font-weight: 700;
}

.seo-related-grid a:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.seo-footer {
  padding: 12px 0 30px;
  color: var(--muted-soft);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 800px) {
  .seo-points {
    grid-template-columns: 1fr;
  }

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

  .seo-aside {
    position: static;
  }
}

@media (max-width: 560px) {
  .seo-nav-home {
    display: none;
  }

  .seo-hero {
    padding: 30px 0 14px;
  }

  .seo-hero h1 {
    font-size: clamp(2rem, 10vw, 2.65rem);
  }

  .seo-lead {
    font-size: 0.98rem;
  }

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

  .seo-actions .button-link {
    width: 100%;
  }

  .seo-article {
    padding: 20px;
  }

  .seo-article h2 {
    margin-top: 30px;
    font-size: 1.35rem;
  }

  .seo-related {
    padding: 20px;
  }

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