/* Shared look for SparkPrep's free SEO tool pages (plain HTML, readable by search engines without JavaScript). */
:root {
  --bg: #0a0a0a; --panel: #141414; --card: #1b1b1b; --line: #2b2b2b;
  --text: #f2efe6; --muted: #a8a294; --gold: #d4af37; --gold-soft: #f1d27a; --red: #e0574f; --green: #4cc38a;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif; }
a { color: var(--gold-soft); }
header.site { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px;
  border-bottom: 1px solid var(--line); background: #0d0d0d; position: sticky; top: 0; z-index: 5; }
header.site a.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; }
header.site img { height: 34px; width: auto; }
header.site nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 15px; }
header.site nav a:hover { color: var(--gold); }
main { max-width: 860px; margin: 0 auto; padding: 28px 20px 60px; }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 8px 0 12px; }
h2 { font-size: 24px; margin: 38px 0 10px; color: var(--gold-soft); }
h3 { font-size: 19px; margin: 24px 0 6px; }
p.lead { font-size: 19px; color: #ddd8cb; }
.eyebrow { color: var(--gold); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin: 18px 0; }
.tool label { display: block; font-weight: 600; margin: 10px 0 4px; font-size: 15px; }
.tool select, .tool input { width: 100%; padding: 11px 12px; border-radius: 9px; border: 1px solid #3a3a3a; background: #0f0f0f;
  color: var(--text); font-size: 16px; }
.tool .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.result { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-top: 16px; }
.result div { background: var(--card); border-radius: 10px; padding: 12px; }
.result b { display: block; font-size: 22px; color: var(--gold-soft); }
.result span { color: var(--muted); font-size: 14px; }
.note { color: var(--muted); font-size: 14px; }
.warn { color: #ffd2cf; background: #2a1514; border: 1px solid #5c2723; border-radius: 10px; padding: 10px 12px; margin-top: 12px; font-size: 15px; }
.ok { color: #cff3df; background: #102619; border: 1px solid #22553a; border-radius: 10px; padding: 10px 12px; margin-top: 12px; font-size: 15px; }
canvas { width: 100%; height: auto; background: #fff; border-radius: 8px; margin-top: 14px; }
.btn { display: inline-block; background: var(--gold); color: #111; font-weight: 700; text-decoration: none; padding: 12px 20px;
  border-radius: 10px; border: 0; cursor: pointer; font-size: 16px; margin: 10px 10px 0 0; }
.btn.ghost { background: transparent; color: var(--gold-soft); border: 1px solid var(--gold); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--gold-soft); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.cta { background: linear-gradient(135deg, #1d1806, #141414); border: 1px solid #5a4a14; border-radius: 16px; padding: 22px; margin: 36px 0; }
.cta h2 { margin-top: 0; }
ul.links li { margin: 6px 0; }
blockquote { margin: 14px 0; padding: 12px 16px; border-left: 4px solid var(--red); background: #1a1111; border-radius: 0 10px 10px 0;
  font-family: Consolas, "Courier New", monospace; font-size: 14px; color: #ffd9d6; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 24px 20px; text-align: center; }
footer.site a { color: var(--muted); margin: 0 8px; }
@media (max-width: 560px) { header.site nav a { margin-left: 10px; font-size: 14px; } header.site nav a.hide-sm { display: none; } }