/* SEO Static Pages — shop.emc3.ru/seo/ */
:root {
  --primary: #1a56db;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #f9fafb;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
}

/* Header */
.seo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.seo-header nav a {
  margin-left: 20px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.seo-header nav a:hover { text-decoration: underline; }

/* Main content */
.seo-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

h1 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; line-height: 1.2; }
h2 { font-size: 1.5rem; font-weight: 600; margin: 32px 0 12px; }
h3 { font-size: 1.2rem; font-weight: 600; margin: 24px 0 8px; }
h4 { font-size: 1rem; font-weight: 600; margin: 16px 0 6px; }

p { margin-bottom: 12px; }
li { margin-left: 20px; margin-bottom: 4px; }
hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
strong { font-weight: 600; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.95rem;
}
th {
  background: var(--bg);
  font-weight: 600;
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
}
td {
  padding: 8px 12px;
  border: 1px solid var(--border);
}
tr:nth-child(even) td { background: var(--bg); }

/* CTA button */
.cta-btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 16px;
}
.cta-btn:hover { background: #1747c2; }

/* Footer */
.seo-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.seo-footer a { color: var(--primary); }

/* Mobile */
@media (max-width: 640px) {
  h1 { font-size: 1.5rem; }
  .seo-content { padding: 20px 16px 40px; }
  table { font-size: 0.85rem; }
  th, td { padding: 6px 8px; }
}