:root {
  color-scheme: dark;
  --bg: #0b0b0b;
  --panel: #141414;
  --text: #f4f4ef;
  --muted: #aaa9a1;
  --line: rgba(255,255,255,.13);
  --accent: #d8ff5f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 0%, rgba(130,95,255,.14), transparent 34rem),
    radial-gradient(circle at 10% 20%, rgba(216,255,95,.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
}
a { color: inherit; }
.seo-shell { width: min(1160px, calc(100% - 36px)); margin: 0 auto; }
.seo-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(11,11,11,.78);
  border-bottom: 1px solid var(--line);
}
.seo-nav { min-height: 74px; display: flex; align-items: center; gap: 22px; }
.seo-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 760; }
.seo-brand i {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center; background: var(--accent); color: #0b0b0b;
  font-style: normal;
}
.seo-nav-links { margin-left: auto; display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.seo-nav-links a { text-decoration: none; }
.seo-cta {
  padding: 12px 17px; border-radius: 999px; background: var(--accent);
  color: #0b0b0b; text-decoration: none; font-weight: 750; font-size: 14px;
}
.seo-hero { padding: 96px 0 72px; }
.seo-kicker { color: var(--accent); font-size: 12px; letter-spacing: .18em; font-weight: 780; }
.seo-hero h1 { max-width: 950px; margin: 22px 0 24px; font-size: clamp(48px, 8vw, 104px); line-height: .92; letter-spacing: -.055em; }
.seo-lead { max-width: 780px; font-size: clamp(19px, 2.3vw, 27px); line-height: 1.45; color: #d0cfc7; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.seo-button { padding: 15px 20px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; font-weight: 720; }
.seo-button.primary { background: var(--accent); color: #0b0b0b; border-color: var(--accent); }
.seo-section { padding: 72px 0; border-top: 1px solid var(--line); }
.seo-section-head { display: grid; grid-template-columns: .6fr 1.4fr; gap: 28px; align-items: start; margin-bottom: 36px; }
.seo-section-head span { color: var(--accent); font-size: 12px; letter-spacing: .16em; }
.seo-section h2 { margin: 0; font-size: clamp(34px, 5vw, 66px); line-height: 1; letter-spacing: -.04em; }
.seo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.seo-card { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.035); }
.seo-card h3 { margin: 0 0 16px; font-size: 25px; }
.seo-card p { margin: 0; color: var(--muted); line-height: 1.65; }
.seo-steps { counter-reset: step; display: grid; gap: 12px; }
.seo-step { display: grid; grid-template-columns: 90px 1fr; gap: 22px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.025); }
.seo-step::before { counter-increment: step; content: "0" counter(step); color: var(--accent); font-weight: 800; }
.seo-step h3 { margin: 0 0 8px; font-size: 23px; }
.seo-step p { margin: 0; color: var(--muted); line-height: 1.6; }
.seo-answer {
  padding: 30px;
  border-left: 4px solid var(--accent);
  background: rgba(216,255,95,.06);
  border-radius: 0 18px 18px 0;
  font-size: 19px;
  line-height: 1.65;
}
.seo-faq { display: grid; gap: 12px; }
.seo-faq details { border: 1px solid var(--line); border-radius: 17px; padding: 20px 22px; background: rgba(255,255,255,.025); }
.seo-faq summary { cursor: pointer; font-weight: 730; font-size: 18px; }
.seo-faq p { color: var(--muted); line-height: 1.65; }
.seo-related { display: flex; flex-wrap: wrap; gap: 10px; }
.seo-related a { padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: #d0cfc7; }
.seo-footer { padding: 40px 0 60px; color: var(--muted); border-top: 1px solid var(--line); }
.seo-footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
@media (max-width: 760px) {
  .seo-nav-links { display: none; }
  .seo-hero { padding-top: 70px; }
  .seo-section-head { grid-template-columns: 1fr; }
  .seo-grid { grid-template-columns: 1fr; }
  .seo-step { grid-template-columns: 56px 1fr; }
}