.seo-page {
  background: #f6f8fb;
  color: #18202a;
}

.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(6rem, 9vw, 8rem) 1.25rem clamp(3rem, 6vw, 5rem);
}

.seo-hero__content h1 {
  margin: 0.7rem 0 1rem;
  color: #111827;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.seo-hero__content p,
.seo-section p {
  color: #44505f;
  font-size: 1.03rem;
  line-height: 1.75;
}

.seo-hero__media {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.18);
}

.seo-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.seo-kicker {
  display: inline-flex;
  color: #c0392b;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.seo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.85rem 1.15rem;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.seo-btn--primary {
  background: #c0392b;
  color: #fff;
}

.seo-btn--secondary {
  background: #fff;
  color: #18202a;
  border: 1px solid #d9e0e8;
}

.seo-section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4.5rem) 1.25rem;
}

.seo-section h2 {
  margin: 0.45rem 0 1rem;
  color: #111827;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.seo-section h3 {
  margin: 0 0 0.7rem;
  color: #111827;
}

.seo-grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: clamp(1.4rem, 3vw, 3rem);
  align-items: start;
}

.seo-list,
.seo-cta-box,
.seo-cards article,
.seo-steps article {
  background: #fff;
  border: 1px solid #e1e7ef;
  border-radius: 8px;
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.06);
}

.seo-list,
.seo-cta-box {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.seo-list ul {
  margin: 0;
  padding-left: 1.15rem;
  color: #44505f;
  line-height: 1.75;
}

.seo-cards,
.seo-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.seo-cards article,
.seo-steps article {
  padding: 1.25rem;
}

.seo-steps span {
  display: inline-flex;
  margin-bottom: 0.85rem;
  color: #c0392b;
  font-weight: 900;
}

.seo-faq details {
  background: #fff;
  border: 1px solid #e1e7ef;
  border-radius: 8px;
  margin-top: 0.8rem;
  padding: 1rem 1.1rem;
}

.seo-faq summary {
  cursor: pointer;
  color: #111827;
  font-weight: 800;
}

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

  .seo-hero {
    padding-top: 5.5rem;
  }
}

.seo-article {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(6rem, 9vw, 8rem) 1.25rem clamp(3rem, 6vw, 5rem);
}

.seo-article__header h1 {
  margin: 0.7rem 0 1rem;
  color: #111827;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.seo-article__header p,
.seo-article__body p {
  color: #44505f;
  font-size: 1.05rem;
  line-height: 1.8;
}

.seo-article__header img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin-top: 2rem;
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.14);
}

.seo-article__body {
  margin-top: 2.5rem;
}

.seo-article__body section {
  background: #fff;
  border: 1px solid #e1e7ef;
  border-radius: 8px;
  padding: clamp(1.2rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.seo-article__body h2 {
  margin: 0 0 0.75rem;
  color: #111827;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.seo-index-title {
  margin: 0.7rem 0 1rem;
  color: #111827;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.seo-index-intro {
  max-width: 760px;
  color: #44505f;
  font-size: 1.05rem;
  line-height: 1.75;
}

.seo-card-link {
  display: inline-flex;
  margin-top: 0.7rem;
  color: #c0392b;
  font-weight: 800;
}

.seo-steps {
  margin: 1.5rem 0 0;
  padding-left: 1.4rem;
  color: #44505f;
  font-size: 1.03rem;
  line-height: 1.75;
}

.seo-steps li {
  margin-bottom: 0.9rem;
}

.seo-steps li strong {
  color: #18202a;
}

.seo-related-links {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.seo-related-links li {
  margin-bottom: 0.85rem;
}

.seo-related-links a {
  display: block;
  padding: 1rem 1.25rem;
  background: #fff;
  border: 1px solid #e1e7ef;
  border-radius: 8px;
  color: #44505f;
  text-decoration: none;
  line-height: 1.55;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.seo-related-links a:hover {
  border-color: #c0392b;
  transform: translateX(2px);
}

.seo-related-links a strong {
  color: #18202a;
  display: inline;
}

.seo-comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.97rem;
  box-shadow: 0 4px 18px rgba(17, 24, 39, 0.06);
}

.seo-comparison-table th,
.seo-comparison-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid #eef1f5;
  color: #18202a;
}

.seo-comparison-table thead th {
  background: #18202a;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.seo-comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.seo-comparison-table tbody tr:nth-child(even) td {
  background: #f9fafc;
}

@media (max-width: 640px) {
  .seo-comparison-table {
    display: block;
    overflow-x: auto;
  }
}