body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: white;
  background: #0b1b2b;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background: rgba(0,0,0,0.6);
  position: sticky;
  top: 0;
}

header img {
  height: 50px;
}

nav a {
  color: white;
  margin: 0 12px;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  height: 90vh;
  background: url("images/hero-van.jpg") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-overlay {
  background: rgba(0,0,0,0.55);
  padding: 40px;
  border-radius: 10px;
}

.section {
  padding: 60px 20px;
  text-align: center;
}

.btn {
  background: #1f6f8b;
  padding: 12px 20px;
  border: none;
  color: white;
  cursor: pointer;
  margin-top: 10px;
}

.form-container {
  max-width: 600px;
  margin: auto;
}

input, textarea, select {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
}