body {
  font-family: 'Montserrat', sans-serif;
  background-color: #001B39;
  text-align: center;
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 40%;
  max-width: 512px;
}

.hero {

  padding: 100px 20px;
  text-align: center;
}
.hero h1 {
  font-size: 64px;
  font-weight: 700;
  color: white;
}

.hero h2 {
  font-size: 48px;
  font-weight: 300;
  color: white;
}
.hero p {
  font-weight: 400;
}
.case-study {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 5px;
  margin-bottom: 20px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.case-study:hover {
  background-color: #eef3f9;
}
.case-study h3 {
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.arrow {
  margin-left: 10px;
  transition: transform 0.3s ease;
}
.case-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
  opacity: 0;
  margin-top: 0;
}
.case-details.show {
  max-height: 1000px;
  opacity: 1;
  margin-top: 10px;
}
.case-details img {
  max-width: 100%;
  border-radius: 5px;
  margin-top: 10px;
}
.contact-section {
  background-color: #003366;
  color: white;
  padding: 40px 20px;
}
.contact-section input, .contact-section textarea {
  margin-bottom: 10px;
}
h2 {
  font-weight: 700;
}