.banner {
  background-color: #ffcc00; /* Yellow background */
  color: #333;
  text-align: center;
  padding: 10px 0;
  font-size: 0.9em;
  font-weight: bold;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
@media (max-width: 768px) {
  .banner {
    font-size: 0.8em;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #f5f7fa;
  min-height: 100vh;
  color: #333;
  line-height: 1.6;
}
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 4rem 2rem;
  text-align: center;
  color: white;
  position: relative;
}
.hero-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.logo {
  width: 120px;
  height: 120px;
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.hero-text {
  flex: 1;
  min-width: 300px;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}
.hero .title {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}
.hero .tagline {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 1.5rem;
}
.profile-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.profile-links a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 25px;
  transition: all 0.3s;
  font-size: 0.9rem;
}
.profile-links a:hover {
  background: rgba(255,255,255,0.2);
  border-color: white;
}
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem;
}
.section {
  background: white;
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.section h2 {
  color: #333;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  font-weight: 600;
}
.about p {
  color: #555;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about p:last-child {
  margin-bottom: 0;
}
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.skill {
  background: #667eea;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}
.experience-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #eee;
}
.experience-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.experience-item h3 {
  color: #333;
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}
.experience-item .company {
  color: #667eea;
  font-weight: 600;
  font-size: 0.95rem;
}
.experience-item .period {
  color: #888;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}
.experience-item p {
  color: #555;
  font-size: 0.9rem;
  line-height: 1.7;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.project-card {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid #e9ecef;
}
.project-card h3 {
  color: #333;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}
.project-card p {
  color: #666;
  font-size: 0.85rem;
  line-height: 1.6;
}
.project-card {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s, box-shadow 0.2s;
}
.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.project-disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
.project-disabled:hover {
  transform: none;
  box-shadow: none;
}
.coming-soon {
  display: inline-block;
  background: #ffc107;
  color: #333;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
}
.documents-section {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 1rem;
}
.documents-section p {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.documents-section .note {
  color: #888;
  font-size: 0.85rem;
  font-style: italic;
}
.doc-list {
  list-style: none;
  margin: 1rem 0;
}
.doc-list li {
  padding: 0.5rem 0;
  color: #555;
  font-size: 0.9rem;
}
.doc-list li::before {
  content: "📄 ";
}
.protected-link {
  display: inline-block;
  background: #667eea;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  transition: background 0.3s;
}
.protected-link:hover {
  background: #5a6fd6;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid #e9ecef;
  display: block;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}
.service-card h3 {
  color: #667eea;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}
.service-card p {
  color: #666;
  font-size: 0.85rem;
}
.impressum {
  background: #f8f9fa;
  padding: 2rem;
  margin-top: 2rem;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #666;
}
.impressum h3 {
  color: #333;
  margin-bottom: 1rem;
  font-size: 1rem;
}
.footer {
  text-align: center;
  padding: 2rem;
  color: #888;
  font-size: 0.85rem;
}
.footer-logo {
  width: 60px;
  height: 60px;
  opacity: 0.3;
  margin: 1rem auto 0;
}
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero {
    padding: 3rem 1.5rem;
  }
  .logo {
    width: 80px;
    height: 80px;
  }
  .container {
    padding: 2rem 1rem;
  }
  .section {
    padding: 1.5rem;
  }
}