/* SEO landing pages — extends index.css */
.seo-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.seo-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.seo-header .logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
}
.seo-header nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink-soft);
}
.seo-header nav a:hover { color: var(--brand); }

.seo-hero {
  padding: 56px 0 40px;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}
.seo-hero h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.08;
  max-width: 820px;
  margin-bottom: 18px;
}
.seo-hero .lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 720px;
}

.seo-body {
  padding: 48px 0 64px;
}
.seo-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}
.seo-article h2 {
  font-size: clamp(22px, 2.8vw, 28px);
  margin: 36px 0 14px;
}
.seo-article h2:first-child { margin-top: 0; }
.seo-article p {
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 16px;
}
.seo-article ul {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.seo-article ul li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.seo-article ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

.seo-table-wrap { overflow-x: auto; margin: 8px 0 24px; }
.seo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.seo-table th,
.seo-table td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.seo-table th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--ink);
}
.seo-table tbody tr:last-child td {
  background: rgba(109, 93, 251, 0.06);
  font-weight: 500;
}

.seo-sidebar {
  position: sticky;
  top: 88px;
}
.seo-cta-card {
  background: linear-gradient(160deg, #0e0e17 0%, #151528 100%);
  color: #fff;
  border-radius: var(--radius-m);
  padding: 28px 24px;
  box-shadow: var(--shadow-l);
}
.seo-cta-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #fff;
}
.seo-cta-card p {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 18px;
}
.seo-cta-card .field { margin-bottom: 14px; }
.seo-cta-card input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
}
.seo-cta-card input::placeholder { color: rgba(255, 255, 255, 0.4); }
.seo-cta-card .form-note {
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}
.seo-cta-card .form-success { display: none; text-align: center; }
.seo-cta-card .form-success.show { display: block; }
.seo-cta-card .form-default.hide { display: none; }
.seo-links {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
}
.seo-links a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 8px;
}
.seo-links a:hover { color: #fff; }

.seo-foot {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-faint);
}
.seo-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  justify-content: space-between;
  align-items: center;
}
.seo-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
}
.seo-foot-links a:hover { color: var(--brand); }

@media (max-width: 900px) {
  .seo-grid { grid-template-columns: 1fr; }
  .seo-sidebar { position: static; }
  .seo-header nav { display: none; }
}