.seo-hero {
  background:
    radial-gradient(circle at 16% 18%, rgba(59, 130, 246, 0.2), transparent 34%),
    radial-gradient(circle at 84% 20%, rgba(14, 165, 233, 0.16), transparent 30%),
    linear-gradient(135deg, #071223 0%, #0b315f 52%, #10549c 100%);
  color: #fff;
  padding: 108px 0 72px;
}

.seo-page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.seo-breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.seo-breadcrumb a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
}

.seo-breadcrumb a:hover {
  text-decoration: underline;
}

.seo-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: start;
}

.seo-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.82rem;
  font-weight: 700;
}

.seo-eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
}

.seo-hero h1 {
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin: 0 0 18px;
}

.seo-lead {
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.86;
  font-size: 1rem;
}

.seo-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.seo-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.94);
  font-size: 0.84rem;
  font-weight: 600;
}

.seo-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-hero-card {
  background: rgba(7, 18, 35, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  padding: 26px 24px;
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 42px rgba(3, 7, 18, 0.22);
}

.seo-card-title {
  margin: 0 0 18px;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}

.seo-stat-list {
  display: grid;
  gap: 14px;
}

.seo-stat-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 14px;
  align-items: center;
}

.seo-stat-item strong {
  display: block;
  font-size: 1.4rem;
  line-height: 1;
}

.seo-stat-item span {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.9rem;
  line-height: 1.6;
}

.seo-content {
  padding: 68px 0 84px;
}

.seo-section + .seo-section {
  margin-top: 56px;
}

.seo-section-head {
  margin-bottom: 22px;
  max-width: 800px;
}

.seo-section-kicker {
  font-size: 0.8rem;
  font-weight: 800;
  color: #1d4ed8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.seo-section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
}

.seo-section-head p {
  margin: 0;
  line-height: 1.85;
  color: var(--text-secondary);
}

.seo-grid {
  display: grid;
  gap: 20px;
}

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

.seo-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.seo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 22px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.seo-card h3,
.seo-card h4 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.seo-card p {
  margin: 0;
  line-height: 1.8;
  color: var(--text-secondary);
}

.seo-card ul,
.seo-rich ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.seo-card li + li,
.seo-rich li + li {
  margin-top: 6px;
}

.seo-rich {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 28px 26px;
}

.seo-rich p {
  margin: 0 0 12px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.seo-rich p:last-child {
  margin-bottom: 0;
}

.seo-highlight-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(14, 165, 233, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: 18px;
  padding: 24px;
}

.seo-highlight-box h3 {
  margin: 0 0 10px;
}

.seo-highlight-box p {
  margin: 0;
  line-height: 1.84;
  color: var(--text-secondary);
}

.seo-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.seo-table th,
.seo-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.seo-table thead th {
  background: var(--bg-alt);
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text);
}

.seo-table tbody td {
  color: var(--text-secondary);
  line-height: 1.75;
}

.seo-callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border-radius: 18px;
  padding: 22px;
  background: #0f172a;
  color: #fff;
}

.seo-callout-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.seo-callout h3 {
  margin: 0 0 8px;
}

.seo-callout p {
  margin: 0;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}

.seo-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.seo-link-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.seo-link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.seo-link-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.seo-link-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 0.92rem;
}

.seo-cta {
  margin-top: 56px;
  padding: 34px;
  border-radius: 24px;
  background: linear-gradient(135deg, #0a2850 0%, #0b4f93 55%, #1d4ed8 100%);
  color: #fff;
}

.seo-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.6vw, 36px);
}

.seo-cta p {
  margin: 0 0 22px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.84);
}

.seo-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1024px) {
  .seo-hero-grid,
  .seo-grid.cols-2,
  .seo-link-grid {
    grid-template-columns: 1fr;
  }

  .seo-grid.cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .seo-hero {
    padding: 92px 0 60px;
  }

  .seo-grid.cols-3 {
    grid-template-columns: 1fr;
  }

  .seo-page-shell,
  .seo-cta {
    padding-left: 20px;
    padding-right: 20px;
  }

  .seo-rich {
    padding: 24px 20px;
  }
}