.seo-content[hidden],
.seo-footer[hidden] {
  display: none;
}

.seo-section {
  padding: 80px 0;
  color: var(--text);
  background: #fff;
}

.seo-section--tinted {
  background: #f5f6ff;
}

.seo-section h2 {
  max-width: 820px;
  margin: 16px 0 32px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.15;
  letter-spacing: -.035em;
}

.seo-intro {
  max-width: 820px;
}

.seo-intro p,
.seo-card p,
.seo-list li,
.seo-faq p {
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 1.6;
  color: #41434b;
}

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

.seo-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.seo-card {
  padding: 28px;
  border: 1px solid #e3e5f3;
  border-radius: 24px;
  background: #fff;
}

.seo-number {
  color: #3f2aff;
  font-size: 16px;
  font-weight: 600;
}

.seo-card h3 {
  margin: 24px 0 16px;
  font-size: 24px;
  line-height: 1.25;
}

.seo-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.seo-list {
  margin: 0;
  padding-left: 22px;
}

.seo-list li {
  padding-left: 8px;
}

.seo-faq {
  max-width: 980px;
}

.seo-faq details {
  border-top: 1px solid #dedfe6;
  padding: 24px 0;
}

.seo-faq details:last-child {
  border-bottom: 1px solid #dedfe6;
}

.seo-faq summary {
  cursor: pointer;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 500;
}

.seo-faq p {
  margin: 16px 0 0;
}

.seo-footer {
  padding: 32px 0;
  background: #f5f6ff;
  font-size: 14px;
  line-height: 1.5;
}

.seo-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.seo-footer a {
  color: #3f2aff;
  text-decoration: underline;
}

.seo-footer a:focus-visible,
.seo-faq summary:focus-visible {
  outline: 2px solid #3f2aff;
  outline-offset: 6px;
}

@media (max-width: 767px) {
  .seo-section {
    padding: 44px 0;
  }

  .seo-section h2 {
    margin-bottom: 24px;
  }

  .seo-cards,
  .seo-columns {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .seo-card {
    padding: 24px;
  }

  .seo-intro p,
  .seo-card p,
  .seo-list li,
  .seo-faq p {
    font-size: 16px;
  }

  .seo-faq summary {
    font-size: 20px;
  }
}