:root {
  --ink: #0b1220;
  --muted: #4b5563;
  --bg: #ffffff;
  --soft: #f5f6fa;
  --brand: #4338ca;
  --brand-dark: #3730a3;
  --line: #e5e7eb;
  --maxw: 960px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--brand-dark); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 800; font-size: 21px; color: var(--ink); text-decoration: none; letter-spacing: -0.03em; }
.logo span { color: var(--brand); }
nav a { margin-left: 20px; text-decoration: none; color: var(--muted); font-size: 15px; }
nav a:hover { color: var(--ink); }

.hero { padding: 72px 0 44px; }
.hero h1 { font-size: 44px; line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 18px; max-width: 14ch; }
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; max-width: 60ch; }

.btn { display: inline-block; background: var(--brand); color: #fff; padding: 13px 22px; border-radius: 10px; text-decoration: none; font-weight: 600; }
.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: var(--soft); color: var(--ink); }

.muted { color: var(--muted); }
section { padding: 40px 0; border-top: 1px solid var(--line); }
section.hero { border-top: 0; }
h2 { font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); margin: 0 0 20px; }
h3 { font-size: 19px; margin: 0 0 8px; letter-spacing: -0.01em; }

.grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card p { margin: 0; color: var(--muted); }

.product { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.product .card { flex: 1; min-width: 280px; }
.tag { display: inline-block; background: #eef2ff; color: var(--brand-dark); font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }

.contact dl { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; margin: 0; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; }

footer.site { border-top: 1px solid var(--line); margin-top: 8px; padding: 30px 0 48px; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); }
footer.site .imprint { margin-top: 8px; font-size: 13px; }

.legal { padding: 44px 0; max-width: 720px; }
.legal h1 { font-size: 30px; letter-spacing: -0.02em; }
.legal h2 { font-size: 18px; text-transform: none; letter-spacing: 0; color: var(--ink); margin-top: 26px; }
.updated { color: var(--muted); font-size: 14px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; }
  .hero { padding: 48px 0 32px; }
  .contact dl { grid-template-columns: 1fr; gap: 2px 0; }
  .contact dt { margin-top: 10px; }
}