:root {
  color-scheme: light;
  --ink: #182033;
  --muted: #657089;
  --line: #e5e8f0;
  --surface: #ffffff;
  --soft: #f7f8fc;
  --accent: #5b5ce2;
  --accent-dark: #4546bf;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: #fff;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
.seo-wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.seo-nav { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); backdrop-filter: blur(14px); }
.seo-nav-inner { min-height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.seo-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; text-decoration: none; }
.seo-brand img { width: 38px; height: 38px; object-fit: contain; }
.seo-nav nav { display: flex; justify-content: center; gap: 24px; }
.seo-nav nav a, .seo-footer a { color: #505b73; text-decoration: none; font-weight: 700; }
.seo-nav nav a:hover, .seo-footer a:hover { color: var(--accent-dark); }
.seo-open, .seo-primary, .seo-secondary { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 12px; font-weight: 850; text-decoration: none; }
.seo-open, .seo-primary { background: var(--accent); color: #fff; }
.seo-secondary { border: 1px solid #d7daea; background: #fff; color: #303852; }
.seo-hero { padding: 82px 0 64px; background: radial-gradient(circle at 80% 10%, #eeeeff 0, transparent 32%), linear-gradient(180deg,#fafaff,#fff); }
.seo-hero-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(280px,.7fr); gap: 54px; align-items: center; }
.seo-eyebrow { margin: 0 0 10px; color: var(--accent-dark); font-size: .78rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.25rem, 6vw, 4.4rem); line-height: 1.04; letter-spacing: -.045em; }
.seo-lead { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: clamp(1.03rem, 2vw, 1.2rem); }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.seo-summary { padding: 26px; border: 1px solid #dedff6; border-radius: 22px; background: rgba(255,255,255,.9); box-shadow: 0 20px 55px rgba(40,45,95,.09); }
.seo-summary strong { display: block; margin-bottom: 14px; font-size: 1.05rem; }
.seo-summary ul { margin: 0; padding-left: 20px; color: var(--muted); }
.seo-content { padding: 62px 0 84px; }
.seo-section { max-width: 860px; margin: 0 auto 54px; }
.seo-section:last-child { margin-bottom: 0; }
.seo-section h2 { margin: 0 0 14px; font-size: clamp(1.55rem,3vw,2.25rem); letter-spacing: -.025em; }
.seo-section p { margin: 0 0 16px; color: var(--muted); }
.seo-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin-top: 24px; }
.seo-card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.seo-card h3 { margin: 0 0 8px; }
.seo-card p { margin: 0; font-size: .95rem; }
.seo-card a { color: var(--accent-dark); font-weight: 850; text-decoration: none; }
.seo-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.seo-list li { padding: 13px 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--soft); }
.seo-note { padding: 18px 20px; border-left: 4px solid var(--accent); border-radius: 12px; background: #f6f6ff; color: #4e5770; }
.seo-footer { border-top: 1px solid var(--line); background: #fafbfe; padding: 34px 0; }
.seo-footer .seo-wrap { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; }
.seo-footer p { max-width: 480px; margin: 8px 0 0; color: var(--muted); }
.seo-footer nav { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: flex-end; }
@media (max-width: 760px) {
  .seo-wrap { width: min(100% - 28px, 1120px); }
  .seo-nav-inner { grid-template-columns: 1fr auto; min-height: 64px; gap: 12px; }
  .seo-nav nav { display: none; }
  .seo-hero { padding: 56px 0 46px; }
  .seo-hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .seo-grid { grid-template-columns: 1fr; }
  .seo-footer .seo-wrap { flex-direction: column; }
  .seo-footer nav { justify-content: flex-start; }
}