html {
  background: #f8fafc;
  color: #0f172a;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  color: #0f172a;
  font-family:
    "SF Pro Display",
    "Segoe UI",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

#root {
  display: none;
}

.app-mounted #root {
  display: block;
}

.app-mounted [data-seo-shell] {
  display: none !important;
}

.seo-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px 72px;
}

.seo-nav,
.seo-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.seo-nav {
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.24);
}

.seo-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

.seo-brand strong {
  font-size: 1.1rem;
}

.seo-brand span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #64748b;
}

.seo-nav-links,
.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.seo-nav-links a,
.seo-footer-links a {
  font-size: 0.95rem;
  text-decoration: none;
  color: #475569;
}

.seo-hero,
.seo-section,
.seo-article {
  margin-top: 28px;
  padding: 28px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.06);
}

.seo-hero h1,
.seo-article h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  line-height: 0.95;
}

.seo-hero p,
.seo-section p,
.seo-article p,
.seo-article li,
.seo-article td,
.seo-article th {
  color: #334155;
}

.seo-hero-copy {
  max-width: 760px;
}

.seo-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(59, 130, 246, 0.18);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #1d4ed8;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  text-decoration: none;
  font-weight: 700;
}

.seo-button-primary {
  background: #2563eb;
  color: #ffffff;
}

.seo-button-secondary {
  background: #ffffff;
  color: #0f172a;
}

.seo-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

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

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

.seo-card {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(226, 232, 240, 0.96);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.92));
}

.seo-card h2,
.seo-card h3,
.seo-section h2,
.seo-article h2,
.seo-article h3 {
  margin-top: 0;
  color: #0f172a;
}

.seo-kicker {
  margin: 0 0 8px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #2563eb;
}

.seo-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  color: #64748b;
  font-size: 0.9rem;
}

.seo-list {
  margin: 0;
  padding-left: 20px;
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
}

.seo-table th,
.seo-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  text-align: left;
  vertical-align: top;
}

.seo-table th {
  color: #0f172a;
}

.seo-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.24);
}

.seo-footer-copy {
  max-width: 560px;
  color: #475569;
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .seo-nav,
  .seo-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .seo-grid-2,
  .seo-grid-3 {
    grid-template-columns: 1fr;
  }

  .seo-shell {
    padding: 20px 18px 48px;
  }

  .seo-hero,
  .seo-section,
  .seo-article {
    padding: 22px;
    border-radius: 24px;
  }
}