:root {
  /* Colors - V1 Classic & Trustworthy */
  --color-primary: #003366;
  /* Deep Navy Blue */
  --color-primary-dark: #002244;
  --color-secondary: #8a8a8a;
  /* Metallic Silver/Grey */
  --color-accent: #f5f7fa;
  /* Light Grey for backgrounds */
  --color-text: #333333;
  /* Dark Grey for text */
  --color-white: #ffffff;
  --color-border: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-base: 16px;
  --line-height: 1.6;
}

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

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
  height: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

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

.btn {
  display: inline-block;
  padding: 14px 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(0, 51, 102, 0.2);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 51, 102, 0.3);
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
  font-weight: 700;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-secondary);
  text-align: center;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Header */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
  border-bottom: 3px solid var(--color-primary);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-primary);
  text-decoration: none;
}

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

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--color-secondary);
  letter-spacing: 1px;
}

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

.nav-list a {
  font-weight: 500;
  color: var(--color-text);
}

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

/* Hero */
.hero {
  background-color: var(--color-primary);
  /* Fallback */
  background-image: linear-gradient(rgba(0, 51, 102, 0.85), rgba(0, 51, 102, 0.7)), url('images/hero-bg.jpg');
  /* User provided CNC image */
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  padding: 120px 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

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

.hero .btn:hover {
  background-color: #f0f0f0;
}

/* Services */
.services {
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  position: relative;
  background-color: var(--color-white);
  padding: 0;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

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

.service-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0, 51, 102, 0.3) 0%, rgba(0, 51, 102, 0.85) 100%);
  z-index: 2;
}

.service-card h3 {
  position: relative;
  z-index: 3;
  color: var(--color-white);
  margin: auto 30px 15px 30px;
  font-size: 1.75rem;
  font-weight: 700;
}

.service-card p {
  position: relative;
  z-index: 3;
  color: var(--color-white);
  margin: 0 30px 30px 30px;
  font-size: 1rem;
  line-height: 1.5;
}

/* About */
.about {
  background-color: var(--color-accent);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(90deg, rgba(0, 51, 102, 0.02) 1px, transparent 1px),
    linear-gradient(rgba(0, 51, 102, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-content {
  text-align: left;
}

.about-content p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.about-image img {
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

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

  .about-image {
    order: -1;
    /* Show image first on mobile? Or last? Let's keep it standard */
  }
}

/* Contact */
.contact {
  background-color: var(--color-white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.contact-info p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact-info a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-form {
  background-color: var(--color-accent);
  padding: 40px;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
  transform: translateY(-1px);
}

.contact-form .btn {
  width: 100%;
}

.contact-form .btn:disabled {
  background-color: var(--color-secondary);
  cursor: not-allowed;
  transform: none;
}

.form-message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 6px;
  font-size: 1rem;
  text-align: center;
  display: none;
}

.form-message.success {
  display: block;
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  display: block;
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 50px 0 30px;
  font-size: 0.9rem;
  border-top: 4px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* Impressum & Datenschutz */
.impressum,
.datenschutz {
  padding-top: 60px;
  padding-bottom: 80px;
  background-color: var(--color-white);
}

.impressum .section-title,
.datenschutz .section-title {
  margin-bottom: 3rem;
}

.impressum-content,
.datenschutz-content {
  max-width: 800px;
  margin: 0 auto;
}

.impressum-content h2,
.datenschutz-content h2 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.impressum-content h2:first-child,
.datenschutz-content h2:first-child {
  margin-top: 0;
}

.datenschutz-content h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.impressum-content p,
.datenschutz-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.datenschutz-content ul {
  margin: 1rem 0 1.5rem 1.5rem;
  list-style: disc;
}

.datenschutz-content ul li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.datenschutz-content .intro-text {
  background-color: var(--color-accent);
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--color-secondary);
  margin-bottom: 2rem;
}

.datenschutz-content .contact-info {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-border);
  font-weight: 500;
}

.impressum-content p strong,
.datenschutz-content p strong {
  color: var(--color-primary);
  font-weight: 600;
}

.impressum-content a,
.datenschutz-content a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.impressum-content a:hover,
.datenschutz-content a:hover {
  border-bottom-color: var(--color-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .header-container {
    flex-direction: column;
    gap: 15px;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }


  .impressum-content h2,
  .datenschutz-content h2 {
    font-size: 1.1rem;
    margin-top: 2rem;
  }

  .datenschutz-content h3 {
    font-size: 1rem;
    margin-top: 1.25rem;
  }

  .datenschutz-content ul {
    margin-left: 1rem;
  }
}