:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #5b6170;
  --border: #e4e2dc;
  --accent: #1f4fd1;
  --accent-soft: #e8eefc;
  --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #161920;
    --text: #eceef3;
    --muted: #9aa1b2;
    --border: #262a33;
    --accent: #7ea2ff;
    --accent-soft: #1a2340;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 650; letter-spacing: -0.01em; }
.mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--text); color: var(--bg);
  display: grid; place-items: center; font-size: 15px; font-weight: 700;
}
nav.main { display: flex; gap: 22px; font-size: 15px; }
nav.main a { color: var(--muted); text-decoration: none; }
nav.main a:hover { color: var(--text); }

.hero { padding: 96px 0 72px; }
.eyebrow { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.hero h1 { font-size: clamp(34px, 5.5vw, 56px); line-height: 1.08; letter-spacing: -0.025em; margin: 14px 0 20px; max-width: 16ch; }
.hero p.lede { font-size: 20px; color: var(--muted); max-width: 46ch; margin: 0; }
.cta { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1px solid var(--border); color: var(--text); background: var(--surface);
}
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }

section.block { padding: 72px 0; border-top: 1px solid var(--border); }
section.block h2 { font-size: 28px; letter-spacing: -0.015em; margin: 0 0 12px; }
section.block > .wrap > p.intro { color: var(--muted); max-width: 60ch; margin: 0 0 36px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

.product {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 36px;
}
.product .tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }
.product h3 { font-size: 26px; margin: 14px 0 10px; letter-spacing: -0.01em; }
.product p { color: var(--muted); margin: 0 0 12px; }
.product ul { margin: 0; padding-left: 20px; color: var(--muted); }
.product ul li { margin: 6px 0; }
.product .meta { font-size: 14px; color: var(--muted); }

.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact .card p { color: var(--text); }
.contact .label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; margin-bottom: 8px; }

footer.site { border-top: 1px solid var(--border); padding: 32px 0 48px; font-size: 14px; color: var(--muted); }
footer.site .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer.site nav { display: flex; gap: 18px; }
footer.site a { color: var(--muted); }

article.legal { max-width: 720px; margin: 0 auto; padding: 64px 20px 80px; }
article.legal h1 { font-size: 34px; letter-spacing: -0.02em; margin: 0 0 6px; }
article.legal .updated { color: var(--muted); margin: 0 0 32px; }
article.legal h2 { font-size: 20px; margin: 36px 0 8px; }
article.legal p, article.legal li { color: var(--text); }

@media (max-width: 820px) {
  .grid, .contact { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; padding: 24px; }
  nav.main { display: none; }
  .hero { padding: 64px 0 48px; }
  section.block { padding: 56px 0; }
}