:root {
  color-scheme: dark;
  --seo-bg: #08090b;
  --seo-surface: #12151a;
  --seo-border: #2b3139;
  --seo-text: #f8fafc;
  --seo-muted: #b5bdc9;
  --seo-accent: #f2b705;
  --seo-max: 72rem;
}

* { box-sizing: border-box; }
body.seo-page { margin: 0; background: var(--seo-bg); color: var(--seo-text); font-family: Manrope, system-ui, sans-serif; line-height: 1.6; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--seo-accent); outline-offset: 3px; }
.seo-shell { width: min(calc(100% - 2rem), var(--seo-max)); margin-inline: auto; }
.seo-header, .seo-footer { padding-block: 1.25rem; border-color: var(--seo-border); }
.seo-hero { padding-block: clamp(3rem, 9vw, 7rem); }
.seo-eyebrow { color: var(--seo-accent); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.seo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1rem; }
.seo-card { padding: 1.25rem; background: var(--seo-surface); border: 1px solid var(--seo-border); border-radius: 1rem; }
.seo-cta { display: inline-flex; padding: .8rem 1.1rem; background: var(--seo-accent); color: #111; border-radius: .75rem; font-weight: 800; text-decoration: none; }
.seo-muted { color: var(--seo-muted); }