/* seo.css — shared design system for Titan's static SEO/AEO landing pages.
   On-brand with DESIGN.md: Fraunces display, DM Sans UI, fire-orange accent,
   hairlines over shadows, one accent for CTAs only, no emojis. */
:root {
  --ink: #111111;
  --muted: #5C5C54;
  --faint: #8A8478;
  --bg: #FBFBFA;
  --bg-alt: #F5F2EC;
  --hairline: #E7E2D9;
  --fire: #EA580C;
  --fire-light: #FB923C;
  --card: #FFFFFF;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.wide { max-width: 1040px; }
a { color: var(--fire); text-decoration: none; }
a:hover { text-decoration: underline; }
header.nav {
  border-bottom: 1px solid var(--hairline);
  background: rgba(251,251,250,0.85);
  backdrop-filter: saturate(150%) blur(8px);
  position: sticky; top: 0; z-index: 10;
}
header.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-family: 'Fraunces', serif; font-weight: 600; font-size: 20px; color: var(--ink); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.nav-cta {
  font-size: 14px; font-weight: 500; color: #fff; background: var(--ink);
  padding: 9px 18px; border-radius: 999px;
}
.nav-cta:hover { text-decoration: none; background: #000; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--fire); margin-bottom: 18px;
}
h1 {
  font-family: 'Fraunces', serif; font-weight: 600; letter-spacing: -0.02em;
  font-size: clamp(32px, 5vw, 52px); line-height: 1.08; margin: 0 0 20px;
}
h2 {
  font-family: 'Fraunces', serif; font-weight: 600; letter-spacing: -0.01em;
  font-size: clamp(24px, 3vw, 32px); line-height: 1.15; margin: 56px 0 16px;
}
h3 { font-size: 19px; font-weight: 600; margin: 32px 0 8px; letter-spacing: -0.01em; }
p.lead { font-size: clamp(18px, 2.2vw, 22px); color: var(--muted); line-height: 1.5; margin: 0 0 32px; }
section { padding: 8px 0; }
.hero { padding: 72px 0 24px; }
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; margin: 36px 0 8px; align-items: center; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 500; font-size: 15px;
  color: #fff; background: var(--ink); padding: 14px 26px; border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.10);
}
.btn-primary:hover { text-decoration: none; background: #000; transform: translateY(-1px); transition: .2s; }
.btn-ghost { font-weight: 500; font-size: 15px; color: var(--ink); }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 24px 0; }
.card {
  background: var(--card); border: 1px solid var(--hairline); border-radius: 12px;
  padding: 22px 22px;
}
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.compare { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
.compare th, .compare td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.compare th { font-family: 'JetBrains Mono', monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--faint); font-weight: 500; }
.compare td.titan { color: var(--ink); font-weight: 500; }
.compare tr td:first-child { color: var(--muted); width: 30%; }
.faq dt { font-weight: 600; margin-top: 24px; font-size: 17px; }
.faq dd { margin: 6px 0 0; color: var(--muted); }
.callout {
  background: var(--bg-alt); border: 1px solid var(--hairline); border-left: 3px solid var(--fire);
  border-radius: 12px; padding: 24px 26px; margin: 40px 0;
}
.callout p { margin: 0; }
ul.checks { list-style: none; padding: 0; margin: 20px 0; }
ul.checks li { padding: 8px 0 8px 28px; position: relative; color: var(--muted); border-bottom: 1px solid var(--hairline); }
ul.checks li:before { content: "→"; position: absolute; left: 0; color: var(--fire); font-weight: 600; }
ul.checks li strong { color: var(--ink); font-weight: 600; }
footer.foot { border-top: 1px solid var(--hairline); margin-top: 80px; padding: 40px 0 64px; color: var(--faint); font-size: 14px; }
footer.foot a { color: var(--muted); }
footer.foot .links { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 16px; }
.related { display: flex; gap: 14px; flex-wrap: wrap; margin: 12px 0 0; }
.related a { font-size: 14px; border: 1px solid var(--hairline); padding: 8px 14px; border-radius: 999px; color: var(--muted); }
.related a:hover { border-color: var(--fire); color: var(--fire); text-decoration: none; }