/* Waldenberger GmbH – waldenberger.software
   Reines CSS, keine externen Ressourcen (keine Webfonts, kein Tracking). */

:root {
  --bg: #f7f7f5;
  --bg-elev: #ffffff;
  --fg: #16181d;
  --fg-muted: #5b6069;
  --line: #e2e3e0;
  --accent: #2b4c9b;
  --accent-fg: #ffffff;
  --accent-soft: #e6ecf8;
  --radius: 14px;
  --maxw: 1080px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-elev: #171a21;
    --fg: #eef0f4;
    --fg-muted: #a1a7b3;
    --line: #262a33;
    --accent: #7c9ff0;
    --accent-fg: #0b1020;
    --accent-soft: #1b2338;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px);
}

/* Skip-Link (Barrierefreiheit) */
.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--accent-fg);
  padding: 8px 12px; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 8px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; min-height: 64px; padding-block: 10px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg); text-decoration: none; font-weight: 650; letter-spacing: -0.01em;
}
.brand svg { width: 30px; height: 30px; flex: none; }
.brand small { color: var(--fg-muted); font-weight: 450; }

.nav { display: flex; gap: 6px 22px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.nav a { color: var(--fg-muted); text-decoration: none; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }

/* Hero */
.hero {
  padding: clamp(56px, 10vw, 120px) 0 clamp(40px, 7vw, 80px);
}
.eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  padding: 4px 10px; border-radius: 999px; font-weight: 600;
}
h1 {
  font-size: clamp(34px, 6vw, 60px); line-height: 1.08; letter-spacing: -0.025em;
  margin: 18px 0 18px; max-width: 18ch;
}
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--fg-muted); max-width: 58ch; margin: 0 0 30px; }

.btn {
  display: inline-block; padding: 12px 20px; border-radius: 10px;
  background: var(--accent); color: var(--accent-fg); text-decoration: none; font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
section { padding: clamp(40px, 6vw, 72px) 0; }
section + section { border-top: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -0.02em; margin: 0 0 10px; }
h3 { font-size: 19px; margin: 0 0 8px; }
.sub { color: var(--fg-muted); max-width: 62ch; margin: 0 0 32px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px;
}
.card p { margin: 0; color: var(--fg-muted); font-size: 16px; }
.icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 14px;
}
.icon svg { width: 22px; height: 22px; }

.notice {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: var(--radius); padding: 18px 20px; color: var(--fg);
}
.notice strong { display: block; margin-bottom: 4px; }
.notice p { margin: 0; color: var(--fg-muted); font-size: 16px; }

.two { display: grid; gap: 28px; grid-template-columns: 1.2fr 1fr; align-items: start; }
@media (max-width: 760px) { .two { grid-template-columns: 1fr; } }

.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.facts li {
  display: grid; grid-template-columns: 150px 1fr; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 16px;
}
.facts li span:first-child { color: var(--fg-muted); }
@media (max-width: 480px) { .facts li { grid-template-columns: 1fr; gap: 2px; } }

address { font-style: normal; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line); padding: 32px 0 40px; color: var(--fg-muted); font-size: 15px;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--fg-muted); }

/* Rechtstexte */
.legal { padding: clamp(40px, 6vw, 72px) 0; max-width: 76ch; }
.legal h1 { font-size: clamp(30px, 4.5vw, 44px); max-width: none; }
.legal h2 { font-size: 22px; margin-top: 40px; }
.legal h3 { font-size: 18px; margin-top: 26px; }
.legal p, .legal li { color: var(--fg); }
.legal .meta { color: var(--fg-muted); font-size: 15px; }
.legal ul { padding-left: 22px; }

/* 404 */
.center { text-align: center; padding: clamp(80px, 14vw, 160px) 0; }
.center h1 { margin-inline: auto; }
.center .lead { margin-inline: auto; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }