*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: radial-gradient(circle at 12% 8%, #eef6ff 0%, #f8fbff 45%, #ffffff 100%);
  color: #12233f;
  font-family: 'Plus Jakarta Sans', Arial, sans-serif;
}

.seo-wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 74px;
}

.seo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.seo-brand {
  font-family: 'Orbitron', Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #0a4db3;
  text-decoration: none;
}

.seo-back {
  color: #34527f;
  font-size: 0.85rem;
  text-decoration: none;
}

.seo-hero {
  border: 1px solid rgba(10, 77, 179, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  padding: clamp(22px, 5vw, 34px);
  box-shadow: 0 16px 30px rgba(11, 40, 84, 0.08);
}

.seo-kicker {
  margin-bottom: 8px;
  color: #0a5bd6;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-title {
  margin: 0 0 10px;
  font-family: 'Orbitron', Arial, sans-serif;
  font-size: clamp(1.45rem, 3.7vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  overflow-wrap: break-word;
}

.seo-sub {
  margin: 0;
  color: #304a73;
  font-size: 0.95rem;
  line-height: 1.7;
  overflow-wrap: break-word;
}

.seo-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.seo-btn-primary,
.seo-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 11px 16px;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
}

.seo-btn-primary {
  background: linear-gradient(120deg, #0a84ff, #1463dc);
  color: #fff;
}

.seo-btn-secondary {
  border: 1px solid rgba(11, 39, 84, 0.2);
  background: #fff;
  color: #1e3b65;
}

.seo-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.seo-card {
  border: 1px solid rgba(11, 39, 84, 0.12);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
}

.seo-card h2 {
  margin: 0 0 6px;
  font-size: 0.88rem;
}

.seo-card p {
  margin: 0;
  color: #34527f;
  font-size: 0.82rem;
  line-height: 1.6;
}

.seo-content {
  margin-top: 24px;
  border: 1px solid rgba(11, 39, 84, 0.12);
  border-radius: 16px;
  background: #fff;
  padding: 18px;
}

.seo-content h2 {
  margin: 0 0 10px;
  font-size: 1.02rem;
}

.seo-content p,
.seo-content li {
  color: #34527f;
  font-size: 0.86rem;
  line-height: 1.7;
}

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

@media (max-width: 860px) {
  .seo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .seo-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

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

  .seo-actions {
    flex-direction: column;
  }

  .seo-btn-primary,
  .seo-btn-secondary {
    width: 100%;
  }

  .seo-content {
    padding: 14px;
  }
}

@media (max-width: 480px) {
  .seo-wrap {
    padding: 20px 14px 56px;
  }

  .seo-hero {
    padding: 18px;
    border-radius: 16px;
  }

  .seo-sub {
    font-size: 0.88rem;
  }

  .seo-card {
    padding: 12px;
  }

  .seo-content {
    padding: 12px;
    border-radius: 12px;
  }

  .seo-content ul {
    padding-left: 18px;
  }
}