/* Critical CSS - Inline für First Paint Optimierung */

/* Reset und Basis-Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Layout-kritische Styles */
html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

/* Header und Navigation - kritisch für LCP */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Hero Section - kritisch für LCP */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
  display: flex;
  align-items: center;
  position: relative;
}

/* Kritische Button-Styles */
.btn-primary {
  background: #3b82f6;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
}

/* Layout-Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Loading-Optimierung für Bilder */
img {
  max-width: 100%;
  height: auto;
}

/* Basis-Grid für mobile Performance */
.grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .grid-md-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-lg-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-lg-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Text-kritische Styles */
.text-center {
  text-align: center;
}

.font-bold {
  font-weight: 700;
}

.text-white {
  color: white;
}

/* Performance-kritische Animationen */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fade-in 0.6s ease-out;
}

/* Reduzierte Motion für Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}