body {
  margin: 0;
  font-family: 'Inter', sans-serif;
}
header {
  background-color: #0d1a26;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
nav ul li a {
  text-decoration: none;
  color: white;
  font-weight: 600;
}
.hero {
  background: #222 center/cover no-repeat;
  height: 90vh;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.hero h1 {
  font-size: 3rem;
  background: rgba(0, 0, 0, 0.6);
  padding: 1rem;
  border-radius: 10px;
}
section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: auto;
}
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.card {
  background-color: #f4f4f4;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
}
footer {
  background: #222;
  color: white;
  padding: 2rem;
  text-align: center;
}