/* SyntChart — shared styles for static SEO landing pages */
:root {
  --bg: #0A0D14;
  --bg-soft: #0f131c;
  --card: #131825;
  --border: #1f2738;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --max: 960px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(10,13,20,.8);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); font-size: 18px; }
.brand img { width: 26px; height: 26px; }
nav.top a { color: var(--muted); margin-left: 20px; font-size: 14px; }
nav.top a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 64px 0 40px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 22px;
}
h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.1; margin: 0 0 18px; font-weight: 700; }
.lead { font-size: clamp(17px, 2.5vw, 20px); color: var(--muted); max-width: 680px; margin: 0 auto 28px; }
.gradient { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Buttons */
.btn {
  display: inline-block; font-weight: 600; font-size: 16px; padding: 13px 26px; border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #04121a;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Sections */
section { padding: 40px 0; border-top: 1px solid var(--border); }
h2 { font-size: clamp(24px, 3.5vw, 32px); margin: 0 0 8px; }
h3 { font-size: 19px; margin: 0 0 6px; }
.section-sub { color: var(--muted); margin: 0 0 28px; max-width: 640px; }

/* Grid cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }
.tag { display:inline-block; font-size:12px; color:var(--accent); background:rgba(45,212,191,.08); border:1px solid var(--border); border-radius:6px; padding:3px 9px; margin:0 6px 6px 0; }

/* FAQ */
.faq details { border: 1px solid var(--border); border-radius: 12px; padding: 4px 18px; margin-bottom: 12px; background: var(--bg-soft); }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--muted); margin: 0 0 16px; }

/* CTA band */
.cta-band { text-align: center; background: linear-gradient(180deg, var(--bg-soft), var(--bg)); border-radius: 18px; padding: 48px 24px; border: 1px solid var(--border); }

/* Breadcrumb */
.crumbs { font-size: 13px; color: var(--muted); padding-top: 22px; }
.crumbs a { color: var(--muted); }

/* Footer */
footer.site { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer.site a { color: var(--muted); margin-right: 18px; }

ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { padding-left: 28px; position: relative; margin-bottom: 12px; color: var(--muted); }
ul.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
ul.checks strong { color: var(--text); }

/* Risk / legal disclaimer */
.disclaimer { background: var(--bg-soft); border-top: 1px solid var(--border); }
.disclaimer .wrap { padding: 22px 20px; }
.disclaimer p { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 0 0 8px; }
.disclaimer p:last-child { margin-bottom: 0; }
.disclaimer strong { color: #f0b429; }
