:root {
  --teal: #0a4949;
  --teal-600: #0c5757;
  --teal-100: #e5f0f0;
  --ink: #0f1c1c;
  --muted: #5b6a6a;
  --bg: #ffffff;
  --surface: #f5f9f9;
  --border: #dbe6e6;
  --max: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--teal); }

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand img { border-radius: 10px; }

.site-nav a {
  margin-left: 24px;
  font-weight: 600;
  text-decoration: none;
  color: var(--muted);
}

.site-nav a:hover { color: var(--teal); }

/* Hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px 56px;
  text-align: center;
}

.hero-logo { border-radius: 20px; margin-bottom: 8px; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 16px 0 12px;
}

.lead {
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 1.15rem;
  color: var(--muted);
}

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 999px;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn:hover { background: var(--teal-600); transform: translateY(-1px); }

/* Services */
.services {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 24px 64px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
}

.card h2 { font-size: 1.2rem; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }

/* Contact */
.contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px 24px 72px;
  text-align: center;
}

.contact h2 { font-size: 1.6rem; margin: 0 0 8px; }
.contact p { font-size: 1.1rem; }

/* Footer / Impressum */
.site-footer {
  background: var(--teal);
  color: #cfe3e3;
}

.impressum {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.impressum h2 { color: #fff; font-size: 1.1rem; margin: 0 0 12px; }
.impressum p { margin: 0 0 16px; }
.impressum a { color: #fff; }

.copyright {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px 40px;
  font-size: 0.9rem;
  color: #9dc0c0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eaf2f2;
    --muted: #9fb1b1;
    --bg: #0b1414;
    --surface: #12201f;
    --border: #22403f;
  }
  a { color: #6fd0d0; }
  .brand { color: var(--ink); }
  .btn { color: #06251f; background: #4fd1c5; }
  .btn:hover { background: #6fe0d6; }
}