:root {
  --primary: #D32F2F; /* Automotive Red */
  --primary-hover: #B71C1C;
  --bg-dark: #FFFFFF; /* Hochweiß Background */
  --bg-card: #F4F7FB; /* Very faint blue-grey for cards to stand out against white */
  --text-main: #0A192F; /* Dark Blue (fast Schwarz, aber sattes Dunkelblau) */
  --text-muted: #15325C; /* Medium Dark Blue for descriptions */
  --accent: #D32F2F; /* Red Accent */
  --glass-bg: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(10, 25, 47, 0.1);
}

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

html {
  overflow-x: hidden;
  width: 100vw;
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-main);
}

p {
  color: var(--text-muted); /* Descriptions are Dark Blue */
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
header {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--primary); /* Red border at the bottom of header */
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main); /* Dark Blue */
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  color: var(--primary); /* Red "NRW" */
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--text-main);
  font-weight: 600;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff !important;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.3);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.4);
}

.btn-call-3d {
  background: var(--text-main); /* Dunkelblau / Dark Blue */
  color: #fff !important;
  padding: 16px 35px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 0 #050c17, 0 10px 20px rgba(10, 25, 47, 0.3);
  transition: all 0.15s ease;
  transform: translateY(-3px);
}

.btn-call-3d:active {
  transform: translateY(3px);
  box-shadow: 0 0px 0 #050c17, 0 2px 5px rgba(10, 25, 47, 0.3);
}

/* Hero Section */
.hero {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(211, 47, 47, 0.05) 0%, transparent 70%);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  color: var(--text-main); /* Dark Blue Heading */
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted); /* Dark Blue Description */
  max-width: 700px;
  margin: 0 auto 40px;
  font-weight: 500;
}

.hero p::first-line {
  color: var(--primary); /* Die erste Zeile der Beschreibung in Rot betonen */
}

/* Services / Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 60px 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 40px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 4px solid var(--primary); /* Red top border for card */
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(10, 25, 47, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(211, 47, 47, 0.1); /* Light red circle */
  color: var(--primary); /* Red Icon */
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-main); /* Dark Blue */
}

/* Content Sections */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: var(--text-main); /* Dark Blue */
}

/* Red underline for section titles */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

.content-block {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 60px;
}

.content-text {
  flex: 1;
}

.content-image {
  flex: 1;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 40px rgba(10, 25, 47, 0.15);
}

.content-image::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 20px;
  box-shadow: inset 0 0 0 1px var(--glass-border);
  pointer-events: none;
}

.content-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.content-image img:hover {
  transform: scale(1.05);
}

/* Links & Interlinking */
.link-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.link-list a {
  display: block;
  background: var(--bg-card);
  padding: 15px 20px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-weight: 500;
  border-left: 4px solid var(--primary); /* Red accent on links */
}

.link-list a:hover {
  border-color: var(--primary);
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* Footer */
footer {
  background: var(--text-main); /* Footer stark in Dark Blue */
  color: #fff;
  padding: 60px 0 30px;
  border-top: 5px solid var(--primary); /* Thick red border */
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 20px;
}

.footer-col p, .footer-col a {
  color: #CBD5E1; /* Light gray text for readable dark background */
}

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

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #94A3B8;
}

/* FAQs */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  margin-bottom: 20px;
  padding: 25px;
  border-left: 4px solid var(--primary);
}

.faq-item h3 {
  color: var(--text-main);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

/* Trust Bar */
.trust-bar {
  display: flex;
  justify-content: center;
  gap: 50px;
  background: var(--bg-card);
  padding: 30px 40px;
  border-radius: 16px;
  margin: -50px auto 60px;
  position: relative;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(10, 25, 47, 0.05);
  border: 1px solid var(--glass-border);
  max-width: 1000px;
}
.trust-item {
  text-align: center;
}
.trust-item strong {
  display: block;
  font-size: 2.5rem;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 5px;
  font-weight: 800;
}
.trust-item span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Comparison Table */
.comparison-wrapper {
  overflow-x: auto;
  margin: 40px 0;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(10, 25, 47, 0.05);
  border: 1px solid var(--glass-border);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
.comparison-table th, .comparison-table td {
  padding: 20px 25px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}
.comparison-table th {
  background: var(--bg-card);
  font-weight: 700;
  color: var(--text-main);
  font-size: 1.1rem;
}
.comparison-table th.highlight {
  background: var(--primary);
  color: #fff;
  border-bottom: none;
}
.comparison-table td.highlight {
  background: rgba(211, 47, 47, 0.03);
  font-weight: 600;
  color: var(--text-main);
  border-left: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
}
.comparison-table tr:last-child td.highlight {
  border-bottom: 2px solid var(--primary);
}
.comparison-table td i.pro { color: #10B981; font-weight: bold; margin-right: 8px; }
.comparison-table td i.con { color: var(--primary); font-weight: bold; margin-right: 8px; }

/* FAQ Accordion (Replaces static .faq-item) */
details.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  margin-bottom: 15px;
  padding: 0;
  border-left: 4px solid var(--primary);
  overflow: hidden;
  transition: all 0.3s ease;
}
details.faq-item[open] {
  box-shadow: 0 5px 15px rgba(10, 25, 47, 0.05);
}
details.faq-item summary {
  padding: 20px 25px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  position: relative;
}
details.faq-item summary::-webkit-details-marker {
  display: none;
}
details.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.8rem;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.3s;
}
details.faq-item[open] summary::after {
  content: '−';
}
details.faq-item p {
  padding: 0 25px 25px;
  margin: 0;
  color: var(--text-muted);
}

/* E-E-A-T Glass Cards */
.eeat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
  margin-top: 40px;
}
.eeat-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(10, 25, 47, 0.03);
  transition: transform 0.3s, border-color 0.3s;
  position: relative;
}
.eeat-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}
.eeat-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}
.eeat-card h4 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 10px;
}
.eeat-card p {
  font-size: 0.9rem;
}

/* Sticky Mobile Bottom Bar */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  padding: 12px 15px;
  border-top: 1px solid var(--glass-border);
  z-index: 999;
  box-shadow: 0 -5px 20px rgba(0,0,0,0.08);
}
.mobile-sticky-cta a {
  flex: 1;
  text-align: center;
  padding: 14px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  transition: all 0.15s ease;
  transform: translateY(-2px);
}
.mobile-btn-call {
  background: var(--primary);
  color: #fff !important;
  margin-right: 10px;
  box-shadow: 0 5px 0 #A11E1E, 0 10px 15px rgba(211, 47, 47, 0.3);
}
.mobile-btn-call:active {
  transform: translateY(3px);
  box-shadow: 0 0px 0 #A11E1E, 0 2px 5px rgba(211, 47, 47, 0.3);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff !important;
  box-shadow: 0 5px 0 #1A9E48, 0 10px 15px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:active {
  transform: translateY(3px);
  box-shadow: 0 0px 0 #1A9E48, 0 2px 5px rgba(37, 211, 102, 0.3);
}

/* Animation Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Modal Wizard */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 25, 47, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.modal-overlay.active {
  opacity: 1; pointer-events: auto;
}
.modal-content {
  background: #fff; border-radius: 20px; padding: 40px; width: 90%; max-width: 500px;
  position: relative; box-shadow: 0 25px 50px rgba(0,0,0,0.2);
  transform: scale(0.95); transition: transform 0.3s;
}
.modal-overlay.active .modal-content { transform: scale(1); }
.close-modal {
  position: absolute; top: 15px; right: 20px; font-size: 2rem; cursor: pointer; color: var(--text-muted); line-height: 1;
}
.step { display: none; }
.step.active { display: block; animation: fadeIn 0.4s; }
.step h3 { margin-bottom: 25px; font-size: 1.3rem; text-align: center; }
.options-grid { display: grid; grid-template-columns: 1fr; gap: 15px; padding-bottom: 10px; }
.opt-btn {
  background: var(--bg-card); border: 1px solid var(--glass-border); padding: 15px;
  border-radius: 12px; font-size: 1.1rem; font-weight: 600; cursor: pointer;
  transition: all 0.2s; color: var(--text-main); text-align: left;
}
.opt-btn:hover { background: rgba(211, 47, 47, 0.05); border-color: var(--primary); color: var(--primary); transform: translateX(5px); }
.wiz-input {
  width: 100%; padding: 15px; margin-bottom: 15px; border: 1px solid #CBD5E1;
  border-radius: 8px; font-size: 1rem; font-family: inherit;
}
.wiz-nav { text-align: center; margin-top: 15px; }
.wiz-nav a { color: var(--text-muted); text-decoration: underline; font-size: 0.9rem; cursor: pointer; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Review Slider */
.review-slider {
  overflow: hidden; padding: 20px 0; margin-top: 20px; position: relative;
}
.review-slider::before, .review-slider::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 100px; z-index: 2; pointer-events: none;
}
.review-slider::before { left: 0; background: linear-gradient(to right, var(--bg-dark), transparent); }
.review-slider::after { right: 0; background: linear-gradient(to left, var(--bg-dark), transparent); }

.review-track {
  display: flex; gap: 30px; animation: scrollLeft 35s linear infinite; width: max-content;
}
.review-slider:hover .review-track { animation-play-state: paused; }
.review-card {
  width: 320px; background: var(--bg-card); padding: 25px; border-radius: 16px;
  border: 1px solid var(--glass-border); box-shadow: 0 10px 20px rgba(0,0,0,0.03);
}
.review-card h4 { margin: 10px 0; font-size: 1.1rem; color: var(--text-main); }
.review-card p { font-style: italic; font-size: 0.95rem; margin-bottom: 15px; color: var(--text-muted); }
.review-card span { font-weight: 600; font-size: 0.85rem; color: var(--primary); }
@keyframes scrollLeft { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-350px * 4)); } }

/* Premium Contact Form 2026 */
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; background: var(--bg-card);
  padding: 40px; border-radius: 20px; border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05); align-items: start;
}
.contact-info .method-item {
  display: flex; align-items: center; gap: 15px; margin-bottom: 25px;
}
.contact-info .method-icon {
  font-size: 2rem; background: rgba(211, 47, 47, 0.1); width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center; border-radius: 12px;
}
.contact-info strong { display: block; font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 5px; }
.contact-info a, .contact-info span { font-size: 1.1rem; font-weight: 600; color: var(--text-main); text-decoration: none; }
.contact-info a:hover { color: var(--primary); }

.premium-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.95rem; font-weight: 600; color: var(--text-main); }
.form-group input, .form-group select, .form-group textarea {
  padding: 16px; border: 2px solid #E2E8F0; border-radius: 12px; font-size: 1rem;
  font-family: inherit; transition: all 0.3s ease; background: var(--bg-light); color: var(--text-main);
  resize: vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1); background: #fff;
}
.checkbox-group { flex-direction: row; gap: 10px; align-items: flex-start; }
.checkbox-group input { margin-top: 5px; width: 18px; height: 18px; cursor: pointer; accent-color: var(--primary); }
.checkbox-group label { font-size: 0.85rem; font-weight: 400; color: var(--text-muted); line-height: 1.5; }

/* Trust CTA Section */
.trust-cta-section {
  text-align: center;
  padding: 80px 20px 40px;
  background: transparent;
}
.trust-cta-title {
  font-size: 2.5rem;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: 800;
}
.trust-cta-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.6;
}
.trust-badge-card {
  display: inline-flex;
  align-items: center;
  background: #fff;
  padding: 20px 40px;
  border-radius: 16px;
  box-shadow: 0 15px 35px rgba(10, 25, 47, 0.05);
  gap: 25px;
  border: 1px solid var(--glass-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.trust-badge-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(10, 25, 47, 0.08);
}
.trust-badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 4px 6px rgba(250, 204, 21, 0.4));
}
.trust-badge-text {
  text-align: left;
  border-left: 2px solid #E2E8F0;
  padding-left: 25px;
}
.trust-badge-text strong {
  display: block;
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 5px;
}
.trust-badge-text span {
  display: block;
  font-size: 1rem;
  color: #10B981;
  font-weight: 600;
}

/* Responsive Overrides */
@media (max-width: 900px) {
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, header .btn-primary {
    display: none;
  }
  .nav-inner {
    justify-content: center;
  }
  .content-block {
    flex-direction: column !important;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .trust-bar {
    flex-direction: column;
    gap: 25px;
    margin: -30px 20px 40px;
    padding: 25px;
  }
  .mobile-sticky-cta {
    display: flex;
  }
  body {
    padding-bottom: 75px;
  }
  .eeat-grid, .features-grid {
    grid-template-columns: 1fr;
  }
}