/* Farben und Schrift – hier zentral anpassen */
:root {
  --text: #1d1d1f;
  --muted: #5f6368;
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --accent: #1f6feb;
  --radius: 10px;
  --max: 1000px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 680px; }

/* Kopfzeile */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #e6e6e6;
}
.nav { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.logo { font-weight: 700; color: var(--text); font-size: 1.1rem; }
nav a { margin-left: 22px; color: var(--text); font-size: .95rem; }

/* Abschnitte */
section { padding: 80px 0; }
section.alt { background: var(--bg-alt); }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin-bottom: 18px; }
h2 { font-size: 1.8rem; margin-bottom: 24px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
p + p { margin-top: 12px; }

.hero { padding: 120px 0 100px; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 620px; margin-bottom: 30px; }

.btn {
  display: inline-block;
  background: var(--accent); color: #fff;
  padding: 12px 24px; border-radius: var(--radius);
  font-weight: 600;
}
.btn:hover { text-decoration: none; opacity: .9; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card { background: var(--bg-alt); padding: 26px; border-radius: var(--radius); }
.card p { color: var(--muted); }

/* Fußzeile */
footer { border-top: 1px solid #e6e6e6; padding: 24px 0; font-size: .9rem; color: var(--muted); }
.footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Unterseiten (Impressum, Datenschutz) */
.page { padding: 60px 0; }
.page h2 { font-size: 1.2rem; margin: 28px 0 8px; }

/* Handy */
@media (max-width: 600px) {
  nav a { margin-left: 14px; font-size: .9rem; }
  section { padding: 56px 0; }
  .hero { padding: 72px 0 64px; }
}