/* --- LOKALE FONTS (100% DSGVO-KONFORM - KEIN GOOGLE SERVER AUFRUF) --- */
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('assets/fonts/outfit_0.woff2') format('woff2');
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/outfit_1.woff2') format('woff2');
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/outfit_2.woff2') format('woff2');
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/outfit_3.woff2') format('woff2');
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/outfit_4.woff2') format('woff2');
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('assets/fonts/outfit_5.woff2') format('woff2');
}


/* --- DESIGN SYSTEM TOKENS --- */
:root {
  /* Colors */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(22, 30, 49, 0.7);
  --bg-card-hover: rgba(30, 41, 67, 0.8);
  
  --accent-primary: #ff5e3a; /* Premium Racing Orange */
  --accent-primary-hover: #ff7c5c;
  --accent-primary-glow: rgba(255, 94, 58, 0.15);
  
  --accent-success: #10b981; /* Trust Green */
  --accent-success-glow: rgba(16, 185, 129, 0.1);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-inverse: #0a0e17;
  
  --border-color: rgba(255, 255, 255, 0.07);
  --border-color-active: rgba(255, 94, 58, 0.4);
  
  /* Fonts */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Shadows & Blur */
  --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 12px 24px -4px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 20px rgba(255, 94, 58, 0.2);
  --glass-blur: blur(16px);
  
  /* Layout */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

/* --- RESET & BASE STYLES --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 94, 58, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.03) 0%, transparent 40%);
  background-attachment: fixed;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
}

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

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

.section {
  padding: 8rem 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-family: var(--font-sans);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px 0 rgba(255, 94, 58, 0.3);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* --- GLASS CARD --- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* --- NAVIGATION --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

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

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 5rem; /* Safe spacing to prevent content touching next section on desktop/mobile */
  position: relative;
  overflow: hidden;
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(10, 14, 23, 0.75) 0%, rgba(10, 14, 23, 0.95) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

@media (max-width: 1024px) {
  .hero-content {
    align-items: center;
  }
}

.hero-tag {
  background: rgba(255, 94, 58, 0.1);
  color: var(--accent-primary);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 94, 58, 0.2);
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  line-height: 1.5;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.hero-badge svg {
  color: var(--accent-success);
  width: 16px;
  height: 16px;
}

/* Hero Visual Card (Stylized graphic instead of stock) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-canvas {
  width: 100%;
  aspect-ratio: 16/9;
  background: radial-gradient(circle at center, #1b2640 0%, #0c1221 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.visual-vehicle {
  position: absolute;
  width: 85%;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  transition: transform var(--transition-smooth);
}

.visual-canvas:hover .visual-vehicle {
  transform: translateX(-50%) translateY(-5px);
}

.visual-glow {
  position: absolute;
  width: 60%;
  height: 60%;
  background: var(--accent-primary);
  filter: blur(80px);
  opacity: 0.15;
  top: 20%;
  left: 20%;
  pointer-events: none;
}

/* --- TRUST STRIP REDESIGN --- */
.trust-strip {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 4rem 0;
  position: relative;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.trust-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.trust-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 94, 58, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.trust-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.trust-number span {
  color: var(--accent-primary);
}

.trust-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

/* --- SECTION HEADER --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* --- PROBLEM-SOLUTION SECTION --- */
.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 900px) {
  .problem-solution-grid {
    grid-template-columns: 1fr;
  }
}

.problem-card {
  border-left: 4px solid #ef4444;
}

.solution-card {
  border-left: 4px solid var(--accent-success);
}

.pain-list, .benefit-list {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pain-list li, .benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.pain-list svg {
  color: #ef4444;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.benefit-list svg {
  color: var(--accent-success);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* --- SERVICES GRID --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 94, 58, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* --- PROCESS (Ablauf) --- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  position: relative;
}

@media (max-width: 900px) {
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.process-step {
  position: relative;
}

.process-number {
  width: 40px;
  height: 40px;
  background: var(--accent-primary);
  color: var(--text-inverse);
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(255, 94, 58, 0.4);
}

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

/* --- GALLERY / REAL-WORLD PROOF --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 3/2;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(10, 14, 23, 0.95) 0%, transparent 100%);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-car {
  font-weight: 700;
  font-size: 1.125rem;
}

.gallery-route {
  font-size: 0.875rem;
  color: var(--accent-primary);
}

/* Placeholder styles for gallery items since we use SVGs / gradients for demonstration */
.gallery-placeholder-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.15);
  font-size: 3rem;
  transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-placeholder-bg {
  transform: scale(1.05);
}

/* --- TRUST & REVIEWS --- */
.trust-review-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 1024px) {
  .trust-review-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.review-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.review-stars {
  display: flex;
  gap: 0.25rem;
  color: #fbbf24;
  margin-bottom: 1rem;
}

.review-text {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.review-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--text-inverse);
}

.review-author-name {
  font-weight: 600;
}

.review-author-car {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- FAQ ACCORDION --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-trigger {
  width: 100%;
  padding: 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-trigger svg {
  color: var(--text-muted);
  transition: transform var(--transition-normal);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding: 0 1.5rem;
}

.faq-panel-content {
  padding-bottom: 1.5rem;
  color: var(--text-secondary);
}

.faq-item.active {
  border-color: var(--border-color-active);
}

.faq-item.active .faq-trigger svg {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.faq-item.active .faq-panel {
  max-height: 200px; /* Adjust dynamically if needed */
}


/* --- AI ACT COMPLIANCE BADGE --- */
.ai-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(10, 14, 23, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  z-index: 10;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.ai-badge:hover {
  background: rgba(10, 14, 23, 0.9);
  padding: 6px 12px;
  gap: 8px;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.ai-badge-text {
  font-size: 0.75rem;
  font-weight: 500;
  max-width: 0;
  opacity: 0;
  white-space: nowrap;
  transition: all 0.4s ease;
}

.ai-badge:hover .ai-badge-text {
  max-width: 250px;
  opacity: 1;
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 320px;
}

.footer-title {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- REVIEWS CAROUSEL PROGRESS BAR --- */
.carousel-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--accent-success);
  width: 0%;
}

.carousel-progress.run {
  animation: reviewProgress 6s linear forwards;
}

@keyframes reviewProgress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* --- LIGHTBOX MODAL STYLES --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 800px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.5rem;
  transition: color 0.2s ease;
}

.modal-close-btn:hover {
  color: var(--accent-primary);
}

.modal-body {
  padding: 1.25rem;
  max-height: 80vh;
  overflow-y: auto;
}

/* --- MOBILE STICKY CTA --- */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
  .nav-actions {
    display: none !important;
  }
  .mobile-sticky-cta {
    display: flex;
    gap: 0.75rem;
  }
  /* Padding am Body, damit der Button keinen Footer-Inhalt überdeckt */
  body {
    padding-bottom: 80px; 
  }
}