body {
  margin: 0;
  font-family: Arial, sans-serif;
}

/* NAV */
header {
  background: #0b74de;
  color: white;
  padding: 15px;
}

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

nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}

#menuBtn {
  display: none;
}

/* HERO */
.hero {
  background: url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c") center/cover no-repeat;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay {
  background: rgba(0,0,0,0.6);
  color: white;
  padding: 40px;
  text-align: center;
}

.btn {
  background: #0b74de;
  color: white;
  padding: 10px 20px;
  text-decoration: none;
}

/* SERVICES */
.services {
  padding: 40px;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  border: 1px solid #ddd;
  padding: 20px;
}

.card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

/* ABOUT */
.about {
  padding: 40px;
  background: #f4f4f4;
}

.about-content {
  display: flex;
  gap: 20px;
}

.about img {
  width: 50%;
}

/* CONTACT */
.contact {
  padding: 40px;
  text-align: center;
}

form {
  max-width: 400px;
  margin: auto;
}

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

/* FOOTER */
footer {
  background: #0b74de;
  color: white;
  text-align: center;
  padding: 15px;
}

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

  .about-content {
    flex-direction: column;
  }

  nav {
    display: none;
  }

  nav.active {
    display: block;
  }

  #menuBtn {
    display: block;
  }
}