:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --accent: #2b5fb8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #eaeaea;
    --bg: #171717;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}

header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(128, 128, 128, 0.3);
}

.site-title {
  font-weight: 700;
  text-decoration: none;
  color: var(--fg);
}

nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.25rem;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 0.5rem;
  font: inherit;
}

/* Honeypot: für Menschen unsichtbar, für einfache Bots weiterhin im DOM
   vorhanden und ausfüllbar (contact.Validate lehnt gefüllte Einsendungen
   ab). */
.contact-form__honeypot {
  position: absolute;
  left: -9999px;
}