:root {
  --bg-body: #0f1923;
  --bg-card: #1a2733;
  --bg-highlight: rgba(33, 150, 243, 0.1);
  --color-primary: #2196F3;
  --color-primary-hover: #1976D2;
  --color-text: #e0e0e0;
  --color-subtitle: #90a4ae;
  --color-muted: #b0bec5;
  --color-note: #78909c;
  --color-footer: #546e7a;
  --color-link: #64b5f6;
  --radius: 12px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-body) !important;
  color: var(--color-text) !important;
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--color-link); text-decoration: none; transition: color 0.2s; }
a:hover { text-decoration: underline; color: var(--color-primary); }
img { max-width: 100%; height: auto; }

/* NAVIGATION
-------------------------------------------------- */

.site-nav {
  background: rgba(15, 25, 35, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(33, 150, 243, 0.15);
  padding: 0.75rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary) !important;
  text-decoration: none !important;
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  color: var(--color-muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-text); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-muted);
  transition: transform 0.2s, opacity 0.2s;
}

/* HERO
-------------------------------------------------- */

.hero {
  text-align: center;
  padding: 6rem 2rem 4rem;
}
.hero h1 {
  color: var(--color-primary);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.hero .subtitle {
  color: var(--color-subtitle);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.hero .highlight {
  color: var(--color-primary);
  background: var(--bg-highlight);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  margin: 0 auto 2rem;
  max-width: 600px;
  font-size: 0.95rem;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* BUTTONS
-------------------------------------------------- */

.btn-primary-custom {
  display: inline-block;
  background: var(--color-primary);
  color: #fff !important;
  text-decoration: none !important;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary-custom:hover {
  background: var(--color-primary-hover);
  text-decoration: none !important;
}
.btn-secondary-custom {
  display: inline-block;
  background: transparent;
  color: var(--color-link) !important;
  text-decoration: none !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--color-primary);
  transition: background 0.2s;
  cursor: pointer;
}
.btn-secondary-custom:hover {
  background: var(--bg-highlight);
  text-decoration: none !important;
}

/* CONTENT
-------------------------------------------------- */

.content-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
}

.card-dark {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
}
.card-dark h2 {
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 1rem;
  line-height: 1.3;
}
.card-dark .text-muted { color: var(--color-subtitle); }
.card-dark p, .card-dark li {
  color: var(--color-muted);
  margin-bottom: 1rem;
}

/* FEATURE SECTIONS
-------------------------------------------------- */

.feature-flex {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.feature-text { flex: 1; }
.feature-text p { line-height: 1.8; }
.feature-image { flex: 0 0 250px; text-align: center; }
.feature-image img { max-width: 250px; border-radius: var(--radius); }

/* TEAM
-------------------------------------------------- */

.team-section { margin-bottom: 2rem; }
.team-section > h2 {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.team-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
}
.team-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 3px solid rgba(33, 150, 243, 0.3);
}
.team-card .team-icon {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--bg-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 3rem;
  color: var(--color-primary);
}
.team-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.team-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-align: left;
  line-height: 1.6;
}

/* ALERTS (for erroranzeige function)
-------------------------------------------------- */

.alert {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.alert-danger {
  background: rgba(244, 67, 54, 0.15);
  color: #ef5350;
  border: 1px solid rgba(244, 67, 54, 0.3);
}
.alert-info {
  background: rgba(33, 150, 243, 0.15);
  color: #64b5f6;
  border: 1px solid rgba(33, 150, 243, 0.3);
}
.alert-success {
  background: rgba(76, 175, 80, 0.15);
  color: #81c784;
  border: 1px solid rgba(76, 175, 80, 0.3);
}

/* CONTACT
-------------------------------------------------- */

.contact-icon {
  font-size: 5rem;
  color: var(--color-primary);
  text-align: center;
  margin-top: 1.5rem;
}

/* FOOTER
-------------------------------------------------- */

.site-footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  color: var(--color-footer);
  font-size: 0.85rem;
  border-top: 1px solid rgba(33, 150, 243, 0.1);
}
.site-footer a { color: var(--color-link); }

/* CONTAINER (Impressum / Datenschutz pages)
-------------------------------------------------- */

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}
.container.page-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-top: 2rem;
}
.container h1 { color: var(--color-primary); font-size: 2rem; margin-bottom: 1.5rem; }
.container h2 { color: var(--color-text); font-size: 1.4rem; margin: 2rem 0 0.75rem; }
.container h3 { color: var(--color-text); font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.container h4 { color: var(--color-subtitle); font-size: 1rem; margin: 1.25rem 0 0.5rem; }
.container p { color: var(--color-muted); margin-bottom: 0.75rem; }
.container ul, .container ol { color: var(--color-muted); padding-left: 1.5rem; margin-bottom: 0.75rem; }
.container table { margin: 0.5rem 0; }
.container td { padding: 0.3rem 1rem 0.3rem 0; color: var(--color-muted); }
.container strong { color: var(--color-text); }
.container a { color: var(--color-link); }

/* RESPONSIVE
-------------------------------------------------- */

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 25, 35, 0.98);
    padding: 1rem 2rem;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(33, 150, 243, 0.15);
  }
  .nav-links.open { display: flex; }
  .site-nav { position: relative; }
  .hero { padding: 4rem 1.5rem 3rem; }
  .hero h1 { font-size: 2.2rem; }
  .feature-flex { flex-direction: column; }
  .feature-flex.reverse { flex-direction: column; }
  .feature-image { flex: none; width: 100%; }
  .feature-image img { max-width: 200px; }
  .content-wrapper { padding: 0 1rem 1rem; }
  .card-dark { padding: 2rem 1.5rem; }
  .team-grid { grid-template-columns: 1fr; }
}

@media (min-width: 769px) {
  .feature-flex.reverse { flex-direction: row-reverse; }
}