:root {
  --color-primary: #0f172a;
  --color-secondary: #1e293b;
  --color-accent: #38bdf8;
  --color-text: #1a1a1a;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --font-family: 'Space Grotesk', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}
html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}
body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}
.dark-theme {
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-text: #f8fafc;
  --color-text-light: #94a3b8;
}
.vault-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}
.accent-glow {
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 44px;
  min-width: 44px;
}
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
}
.btn-primary:hover {
  background-color: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.4);
}
.btn-secondary {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.vault-card {
  background-color: var(--color-bg-alt);
  border: 1px solid rgba(56, 189, 248, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  height: 100%;
}
.vault-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.nav-link {
  position: relative;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background-color: var(--color-primary);
  z-index: 50;
  transition: right var(--transition-base);
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl) var(--space-lg);
}
.mobile-menu.active {
  right: 0;
}
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 40;
  display: none;
}
.overlay.active {
  display: block;
}
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-primary);
}
.hero-content {
  position: relative;
  z-index: 10;
}
.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 30%, rgba(15, 23, 42, 0.4) 100%);
  z-index: 1;
}
.hero-bg-img {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.data-stream {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.1;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: stream 10s linear infinite;
}
@keyframes stream {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-secondary);
  color: #ffffff;
  padding: var(--space-md);
  z-index: 100;
  transform: translateY(100%);
  transition: transform var(--transition-base);
  box-shadow: 0 -4px 10px rgba(0,0,0,0.3);
}
.cookie-banner.show {
  transform: translateY(0);
}
.faq-item {
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  padding: var(--space-md) 0;
}
.faq-question {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--color-accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  padding-top: 0;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding-top: var(--space-sm);
}
.faq-icon {
  transition: transform var(--transition-base);
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
}
.footer-legal {
  font-size: 0.875rem;
  color: var(--color-text-light);
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-bg-alt);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  transition: border-color var(--transition-base);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}
.error-msg {
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: -0.5rem;
  margin-bottom: 0.5rem;
  display: none;
}
.success-msg {
  background-color: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid #22c55e;
  display: none;
  margin-bottom: var(--space-md);
}
.pricing-card {
  position: relative;
  overflow: hidden;
}
.pricing-card.featured {
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
  z-index: 10;
}
.pricing-card.featured::before {
  content: 'Empfohlen';
  position: absolute;
  top: 1rem;
  right: -2rem;
  background-color: var(--color-accent);
  color: var(--color-primary);
  padding: 0.25rem 3rem;
  transform: rotate(45deg);
  font-size: 0.75rem;
  font-weight: 700;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}
.team-member img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  filter: grayscale(100%);
  transition: filter var(--transition-base);
}
.team-member:hover img {
  filter: grayscale(0%);
}
.service-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(56, 189, 248, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}
@media (max-width: 768px) {
  .hero-section {
    min-height: 60vh;
    text-align: center;
  }
  .hero-image-overlay {
    background: rgba(15, 23, 42, 0.7);
  }
  .pricing-card.featured {
    transform: scale(1);
    margin: var(--space-md) 0;
  }
}
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 8px;
  z-index: 100;
}
.skip-link:focus {
  top: 0;
}
#map-container {
  height: 400px;
  width: 100%;
  background-color: #e5e7eb;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
#map-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}