:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --fg: #12152b;
  --fg-muted: #5b6478;
  --border: #e5e8f0;
  --accent: #4f46e5;
  --accent-soft: #eef0fe;
  --radius: 14px;
  --maxw: 760px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f1a;
    --bg-soft: #14172a;
    --fg: #eef0f7;
    --fg-muted: #9aa3b8;
    --border: #232743;
    --accent: #8b8bff;
    --accent-soft: #1b1e38;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  position: sticky; top: 0; backdrop-filter: saturate(160%) blur(8px);
  z-index: 10;
}
.site-header .wrap, .site-footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 650; letter-spacing: -.01em; color: var(--fg); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #22d3ee);
  display: inline-block;
}
.nav a { color: var(--fg-muted); font-size: .93rem; margin-left: 1.3rem; }
.nav a:hover { color: var(--fg); text-decoration: none; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 1rem 1.5rem; }
.prose { max-width: var(--maxw); margin: 0 auto; padding: 3rem 1.5rem 4rem; }

/* Hero */
.hero { padding: 5rem 1.5rem 3rem; max-width: 900px; margin: 0 auto; text-align: center; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.1rem); letter-spacing: -.03em; line-height: 1.08; margin: 0 0 1rem; text-wrap: balance; }
.hero p { font-size: 1.15rem; color: var(--fg-muted); max-width: 42rem; margin: 0 auto 2rem; text-wrap: pretty; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: .35rem .7rem; border-radius: 999px; margin-bottom: 1.4rem; }
.cta-row { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; padding: .7rem 1.25rem; border-radius: 10px; font-weight: 550; font-size: .95rem; border: 1px solid var(--border); }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: var(--fg); }
.btn-ghost:hover { background: var(--bg-soft); }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; max-width: 900px; margin: 3rem auto 0; padding: 0 1.5rem; }
.card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; background: var(--bg-soft); }
.card h3 { margin: 0 0 .4rem; font-size: 1.15rem; letter-spacing: -.01em; }
.card p { margin: 0 0 1rem; color: var(--fg-muted); font-size: .95rem; }
.card a { font-size: .92rem; font-weight: 550; }

/* Legal prose */
.prose h1 { font-size: 2rem; letter-spacing: -.02em; margin: 0 0 .4rem; }
.prose .updated { color: var(--fg-muted); font-size: .9rem; margin: 0 0 2.5rem; }
.prose h2 { font-size: 1.2rem; letter-spacing: -.01em; margin: 2.4rem 0 .6rem; padding-top: .4rem; }
.prose h3 { font-size: 1.02rem; margin: 1.6rem 0 .4rem; }
.prose p, .prose li { color: var(--fg); }
.prose ul { padding-left: 1.2rem; }
.prose li { margin: .3rem 0; }
.prose .lead { font-size: 1.05rem; color: var(--fg-muted); }
.callout { border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--bg-soft); border-radius: 8px; padding: 1rem 1.2rem; margin: 1.5rem 0; font-size: .95rem; }
.toc { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem 1.4rem; margin-bottom: 2.5rem; }
.toc strong { display:block; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-muted); margin-bottom: .5rem; }
.toc ol { margin: 0; padding-left: 1.1rem; columns: 2; column-gap: 2rem; font-size: .93rem; }
@media (max-width: 560px) { .toc ol { columns: 1; } }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 4rem; color: var(--fg-muted); font-size: .9rem; }
.site-footer .nav a { margin-left: 0; margin-right: 1.3rem; }