body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #ffffff;
  color: #1f2937;
}

header {
  background: #0a2540;
  color: white;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  margin: 0;
  font-size: 26px;
}

nav a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  text-decoration: underline;
}

.hero {
  background:
    linear-gradient(rgba(10,37,64,0.75), rgba(10,37,64,0.75)),
    url("/img/camion-hero.jpg") no-repeat center center;
  background-size: cover;
  color: white;
  text-align: center;
  padding: 120px 40px;
}

.hero h2 {
  font-size: 42px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 18px;
}

.section {
  padding: 60px 40px;
  max-width: 1100px;
  margin: auto;
}

.section h3 {
  font-size: 28px;
  margin-bottom: 20px;
}

.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.service-box {
  background: #f9fafb;
  padding: 25px;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
}

.service-box h4 {
  margin-top: 0;
}

.footer {
  background: #1f2937;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 60px;
}

.contact-box {
  max-width: 600px;
}

.contact-box input,
.contact-box textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  font-size: 15px;
  border: 1px solid #d1d5db;
}

.contact-box button {
  background: #0a2540;
  color: white;
  border: none;
  padding: 12px 25px;
  cursor: pointer;
}