:root {
  --primary: #d32f2f;
  --primary-hover: #b71c1c;
  --secondary: #2e7d32;
  --secondary-hover: #1b5e20;
  --dark: #1a1a1a;
  --light: #f5f5f5;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-700: #495057;
  --gray-800: #343a40;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Montserrat', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 8px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--light);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-weight: 600;
  color: var(--gray-800);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Sektion */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(40,40,40,0.9) 100%), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%231a1a1a"/><path d="M0 50h100M50 0v100" stroke="%23333" stroke-width="1"/></svg>');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 8rem 0 6rem;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  background-color: var(--secondary);
  color: var(--white);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray-300);
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Page Hero (für Unterseiten) */
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
  border-bottom: 4px solid var(--primary);
}

.page-hero h1 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  list-style: none;
  font-size: 0.9rem;
  color: var(--gray-300);
}

.breadcrumb a:hover {
  color: var(--primary);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-eyebrow {
  display: block;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  color: var(--dark);
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--secondary);
  border-radius: 2px;
}

/* Stats Bar */
.stats-bar {
  background-color: var(--white);
  padding: 3rem 0;
  margin-top: -3rem;
  position: relative;
  z-index: 10;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-weight: 600;
  color: var(--gray-700);
}

/* Cards & Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* Sektionen allgemein */
section {
  padding: 5rem 0;
}

.bg-dark {
  background-color: var(--dark);
  color: var(--white);
}

.bg-dark .section-title {
  color: var(--white);
}

/* Feature / Text-Bild Split */
.split-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split-image {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--border-radius);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

/* FAQ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Kontakt & Formular */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
}

.contact-info {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  color: var(--primary);
  font-size: 1.25rem;
  margin-top: 0.2rem;
}

.contact-form-container {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(211,47,47,0.15);
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--gray-300);
  padding: 4rem 0 2rem;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-heading {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}

/* Reveal Animationen */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Responsive Anpassungen */
@media (max-width: 992px) {
  .split-container, .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2.5rem;
  }
  
  .split-container {
    direction: ltr !important;
  }
  
  .split-container > * {
    direction: ltr !important;
  }

  .split-image {
    aspect-ratio: 16/10;
    max-height: 420px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }

  .container {
    padding: 0 1.25rem;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }
  
  .nav-menu {
    position: fixed;
    top: 65px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 65px);
    background-color: var(--white);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .nav-menu.open {
    left: 0;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.6rem 0;
    font-size: 1.15rem;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .hero {
    padding: 5rem 0 3.5rem;
  }

  .hero h1 {
    font-size: clamp(2rem, 7vw, 2.5rem);
    hyphens: auto;
    word-break: break-word;
  }

  .hero p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }

  .page-hero {
    padding: 3rem 0;
  }

  .page-hero h1 {
    font-size: 2rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-title {
    font-size: clamp(1.6rem, 5vw, 2rem);
    hyphens: auto;
    word-break: break-word;
  }

  .stats-bar {
    padding: 2rem 1rem;
    margin-top: -2.5rem;
  }

  .stats-grid {
    gap: 1.25rem;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .contact-info,
  .contact-form-container {
    padding: 2rem 1.5rem;
  }

  .card-content {
    padding: 1.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  section {
    padding: 2.5rem 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero {
    padding: 4rem 0 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 0.85rem 1.2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .stat-item h3 {
    font-size: 1.7rem;
  }

  .stat-item p {
    font-size: 0.85rem;
  }

  .form-row {
    grid-template-columns: 1fr !important;
  }

  .contact-info,
  .contact-form-container {
    padding: 1.5rem 1rem;
  }

  .card-image {
    height: 180px;
  }

  .split-image {
    aspect-ratio: 16/10;
  }
}

/* Image Lightbox Modal */
.image-lightbox {
  padding: 0;
  border: none;
  border-radius: 12px;
  background: transparent;
  max-width: 95vw;
  max-height: 95vh;
  margin: auto;
  overflow: visible;
  outline: none;
}

.image-lightbox::backdrop {
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 94vw;
  max-height: 92vh;
  padding: 8px;
}

.lightbox-content img {
  max-width: 92vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  user-select: none;
}

.lightbox-caption {
  margin-top: 0.75rem;
  color: #ffffff;
  font-size: 0.95rem;
  text-align: center;
  max-width: 92vw;
  background: rgba(20, 20, 20, 0.85);
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.lightbox-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #ffffff;
  border: 2px solid #ffffff;
  border-radius: 50%;
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, background 0.2s ease;
  z-index: 1000;
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  background: var(--primary-hover);
  transform: scale(1.1);
  outline: none;
}

@media (max-width: 768px) {
  .lightbox-close {
    top: 2px;
    right: 2px;
    width: 38px;
    height: 38px;
    font-size: 22px;
  }
}

/* Image zoom cursor & hint */
.zoomable-image,
.card-image,
.split-image img,
.contact-form-container[style*="url"] {
  cursor: zoom-in;
  transition: filter 0.25s ease, transform 0.25s ease;
}

.card:hover .zoomable-image,
.split-image:hover img {
  filter: brightness(1.05);
}

body.lightbox-open,
body.menu-open {
  overflow: hidden;
}