:root {
  --seo-bg: #0c0c0c;
  --seo-panel: #171b17;
  --seo-panel-soft: #121712;
  --seo-text: #f5f5f2;
  --seo-muted: #a3aaa3;
  --seo-green: #25d366;
  --seo-line: rgba(255, 255, 255, 0.11);
  --seo-radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--seo-bg);
  color: var(--seo-text);
  font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
.seo-container { width: min(980px, calc(100% - 40px)); margin: 0 auto; }
.seo-hero {
  padding: 92px 0 70px;
  background: radial-gradient(circle at 78% 22%, rgba(37, 211, 102, 0.14), transparent 32%);
}
.seo-eyebrow {
  margin: 0;
  color: var(--seo-green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.seo-hero h1 {
  max-width: 900px;
  margin: 18px 0 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 0.99;
  letter-spacing: -0.055em;
}
.seo-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: #c3cbc3;
  font-size: clamp(18px, 2.4vw, 22px);
}
.seo-meta { margin-top: 20px; color: var(--seo-muted); font-size: 14px; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.seo-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 21px;
  border: 1px solid var(--seo-green);
  border-radius: 999px;
  background: var(--seo-green);
  color: #0c0c0c;
  font-weight: 800;
  text-decoration: none;
}
.seo-button.secondary { border-color: var(--seo-line); background: transparent; color: var(--seo-text); }
.seo-breadcrumbs {
  padding-top: 22px;
  color: var(--seo-muted);
  font-size: 13px;
}
.seo-breadcrumbs a { text-decoration: none; }
.seo-breadcrumbs span { margin: 0 7px; }
.seo-main { padding: 38px 0 96px; }
.seo-section { padding: 42px 0; border-top: 1px solid var(--seo-line); }
.seo-section:first-child { border-top: 0; }
.seo-section h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.seo-section h3 { margin: 28px 0 8px; font-size: 22px; line-height: 1.25; }
.seo-section p, .seo-section li { color: #c3cbc3; }
.seo-section p { max-width: 820px; }
.seo-section strong { color: var(--seo-text); }
.seo-section ul, .seo-section ol { max-width: 820px; padding-left: 24px; }
.seo-section li + li { margin-top: 10px; }
.seo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.seo-card {
  padding: 22px;
  border: 1px solid var(--seo-line);
  border-radius: var(--seo-radius);
  background: var(--seo-panel);
}
.seo-card h2, .seo-card h3 { margin: 0; font-size: 21px; line-height: 1.2; letter-spacing: -0.02em; }
.seo-card p { margin: 10px 0 0; color: var(--seo-muted); font-size: 15px; }
.seo-card a { color: var(--seo-green); font-weight: 700; text-decoration: none; }
.seo-card a::after { content: ' →'; }
.seo-note {
  margin-top: 24px;
  padding: 20px 22px;
  border-left: 3px solid var(--seo-green);
  border-radius: 0 14px 14px 0;
  background: var(--seo-panel-soft);
}
.seo-note p { margin: 0; }
.seo-table-wrap { overflow-x: auto; margin-top: 24px; }
.seo-table { width: 100%; border-collapse: collapse; min-width: 650px; }
.seo-table th, .seo-table td { padding: 14px; border-bottom: 1px solid var(--seo-line); text-align: left; vertical-align: top; }
.seo-table th { color: var(--seo-green); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
.seo-table td { color: #c3cbc3; }
.seo-sources { margin-top: 28px; padding: 20px 22px; border: 1px solid var(--seo-line); border-radius: var(--seo-radius); background: var(--seo-panel-soft); }
.seo-sources h2 { font-size: 20px; }
.seo-sources a { color: var(--seo-green); }
.seo-category { padding: 34px 0; border-top: 1px solid var(--seo-line); }
.seo-category h2 { margin: 0 0 16px; font-size: 28px; }
.seo-link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.seo-link-grid a {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--seo-line);
  border-radius: 12px;
  background: var(--seo-panel);
  color: #dbe1db;
  font-weight: 600;
  text-decoration: none;
}
.seo-link-grid a:hover { border-color: var(--seo-green); color: var(--seo-green); }
.seo-cta { margin-top: 48px; padding: clamp(28px, 6vw, 54px); border: 1px solid rgba(37, 211, 102, 0.28); border-radius: 28px; background: radial-gradient(circle at 90% 10%, rgba(37, 211, 102, 0.18), transparent 34%), #121712; }
.seo-cta h2 { margin: 0; font-size: clamp(30px, 5vw, 48px); line-height: 1.05; letter-spacing: -0.04em; }
.seo-cta p { max-width: 680px; color: #c3cbc3; }
.seo-footer { padding: 34px 0; border-top: 1px solid var(--seo-line); color: var(--seo-muted); font-size: 13px; }
.seo-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.seo-footer a { text-decoration: none; }

@media (max-width: 800px) {
  .seo-grid, .seo-link-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .seo-container { width: min(100% - 28px, 980px); }
  .seo-hero { padding: 58px 0 42px; }
  .seo-main { padding-top: 20px; }
  .seo-grid, .seo-link-grid { grid-template-columns: 1fr; }
  .seo-actions { flex-direction: column; }
  .seo-button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }