body {
  margin: 0;
  font-family: Arial;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 30px;
  background: black;
}
header a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}

/* HERO */
.hero {
  background: url('../images/fire.jpg') no-repeat center/cover;
  color: white;
  text-align: center;
  padding: 120px 20px;
  background-color: #000;
}

.hero h1 {
  font-size: 40px;
}

.btn {
  background: red;
  color: white;
  padding: 10px 20px;
  display: inline-block;
  margin-top: 20px;
}

/* SECTIONS */
section {
  padding: 50px;
  text-align: center;
}

.card {
  background: #f5f5f5;
  padding: 20px;
  margin: 10px;
  display: inline-block;
  width: 250px;
}

/* FOOTER */
footer {
  background: black;
  color: white;
  padding: 20px;
}

.logo img {
  width: 250px;
  height: 70px;
  object-fit: contain;
}