:root {
  --seo-bg: #f6f8fb;
  --seo-card: #ffffff;
  --seo-text: #10213a;
  --seo-muted: #5d6f87;
  --seo-line: #dbe5ef;
  --seo-primary: #0f9d74;
  --seo-primary-dark: #0b7a5b;
  --seo-accent: #1f5eff;
  --seo-soft: #ecf8f4;
  --seo-shadow: 0 20px 50px rgba(16, 33, 58, 0.08);
}

body.seo-page {
  background: radial-gradient(circle at top left, rgba(15, 157, 116, 0.08), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, var(--seo-bg) 100%);
  color: var(--seo-text);
}

.seo-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 72px;
}

.seo-hero {
  padding: 56px 0 28px;
}

.seo-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: stretch;
}

.seo-card {
  background: var(--seo-card);
  border: 1px solid var(--seo-line);
  border-radius: 24px;
  box-shadow: var(--seo-shadow);
}

.seo-hero__main {
  padding: 34px;
}

.seo-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--seo-soft);
  color: var(--seo-primary-dark);
  font-size: 0.92rem;
  font-weight: 700;
}

.seo-title {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 3vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.seo-subtitle {
  margin: 0;
  max-width: 760px;
  color: var(--seo-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

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

.seo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
}

.seo-btn--primary {
  background: var(--seo-primary);
  color: #fff;
}

.seo-btn--primary:hover {
  background: var(--seo-primary-dark);
  transform: translateY(-1px);
}

.seo-btn--ghost {
  border: 1px solid var(--seo-line);
  color: var(--seo-text);
  background: #fff;
}

.seo-btn--ghost:hover {
  border-color: var(--seo-primary);
  color: var(--seo-primary-dark);
}

.seo-hero__side {
  padding: 28px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.seo-side-title {
  margin: 0;
  font-size: 1.08rem;
}

.seo-side-list,
.seo-list,
.seo-faq,
.seo-links {
  margin: 0;
  padding-left: 20px;
}

.seo-side-list li,
.seo-list li,
.seo-faq li,
.seo-links li {
  margin-bottom: 10px;
  color: var(--seo-muted);
  line-height: 1.65;
}

.seo-section {
  margin-top: 24px;
}

.seo-section__card {
  padding: 30px;
}

.seo-section h2 {
  margin: 0 0 14px;
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.seo-section h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.seo-section p {
  margin: 0 0 14px;
  color: var(--seo-muted);
  line-height: 1.75;
}

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

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

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

.seo-mini-card {
  padding: 22px;
  border: 1px solid var(--seo-line);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

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

.seo-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.seo-table th,
.seo-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--seo-line);
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.seo-table th {
  color: var(--seo-text);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.seo-callout {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 4px solid var(--seo-primary);
  border-radius: 0 16px 16px 0;
  background: var(--seo-soft);
  color: var(--seo-text);
}

.seo-faq li strong {
  display: block;
  margin-bottom: 6px;
  color: var(--seo-text);
}

.seo-links a,
.seo-table a,
.seo-section a {
  color: var(--seo-accent);
}

.seo-cta {
  margin-top: 24px;
  padding: 30px;
  background: linear-gradient(135deg, #0f9d74 0%, #1f5eff 100%);
  color: #fff;
}

.seo-cta p,
.seo-cta li {
  color: rgba(255, 255, 255, 0.9);
}

.seo-cta .seo-btn--ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 900px) {
  .seo-hero__grid,
  .seo-grid--3,
  .seo-grid--2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .seo-shell {
    padding: 0 16px 56px;
  }

  .seo-hero__main,
  .seo-hero__side,
  .seo-section__card,
  .seo-cta {
    padding: 22px;
    border-radius: 20px;
  }
}