:root {
  --ink: #15171c;
  --muted: #5b6472;
  --line: #e6e8ec;
  --bg: #ffffff;
  --soft: #f6f7f9;
  --accent: #e63946;
  --accent-dark: #c42d39;
  --radius: 12px;
  --maxw: 760px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--accent-dark); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* header */
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px); z-index: 10;
}
header.site .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
header.site .brand { font-weight: 700; letter-spacing: -.02em; text-decoration: none; color: var(--ink); }
header.site nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
header.site nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
header.site nav a:hover { color: var(--ink); }

/* hero / article */
main { padding: 48px 0 80px; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 10px; }
h1 { font-size: 40px; line-height: 1.12; letter-spacing: -.025em; margin: 0 0 18px; }
h2 { font-size: 26px; line-height: 1.2; letter-spacing: -.02em; margin: 46px 0 14px; }
h3 { font-size: 20px; margin: 30px 0 8px; }
.lede { font-size: 20px; color: var(--muted); margin: 0 0 28px; }
p, li { color: #23262d; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

/* CTA */
.cta {
  display: block; background: var(--soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; margin: 32px 0; text-align: center;
}
.cta h3 { margin: 0 0 6px; }
.cta p { margin: 0 0 16px; color: var(--muted); font-size: 15px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  font-weight: 700; padding: 13px 26px; border-radius: 999px; transition: background .15s;
}
.btn:hover { background: var(--accent-dark); }

/* cards (hub) */
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; margin: 28px 0; }
@media (min-width: 620px) { .grid { grid-template-columns: 1fr 1fr; } }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  text-decoration: none; color: inherit; display: block; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: #cfd3da; transform: translateY(-2px); }
.card .tag { font-size: 12px; color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.card h3 { margin: 8px 0 4px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

/* comparison table */
.cmp { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.cmp th, .cmp td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp th { background: var(--soft); font-weight: 700; }
.cmp tr td:first-child { font-weight: 600; }
.cmp .win { color: var(--accent-dark); font-weight: 700; }

/* faq */
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details summary { font-weight: 600; cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: "+ "; color: var(--accent); font-weight: 700; }
details[open] summary::before { content: "– "; }
details p { margin: 10px 0 0; color: var(--muted); }

/* disclosure + footer */
.disclosure { font-size: 13px; color: var(--muted); background: var(--soft); border-radius: 8px; padding: 12px 16px; margin: 0 0 28px; }
.breadcrumb { font-size: 14px; color: var(--muted); margin: 0 0 20px; }
.breadcrumb a { color: var(--muted); }
footer.site { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); }