body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-image: url("tower-background.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: #333;
}

header {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 20px 30px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header div {
  display: flex;
  align-items: center;
  gap: 20px;
}

header img {
  height: 120px;
}

header h1 {
  margin: 0;
  font-size: 26px;
  color: #222;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  gap: 25px;
}

nav ul li a {
  text-decoration: none;
  color: #0066cc;
  font-weight: bold;
  transition: color 0.2s ease;
}

nav ul li a:hover {
  color: #004999;
}

main {
  padding: 30px;
  max-width: 1000px;
  margin: 0 auto;
  background-color: rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

h2 {
  margin-top: 0;
  color: #111;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 500px;
}

input,
textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  padding: 12px;
  background-color: #0066cc;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background-color: #004999;
}

html {
  scroll-behavior: smooth;
}

section {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 0.2s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-section {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 25px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

.about-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  background-color: rgba(255, 255, 255, 0.95);
}

.service-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  margin-bottom: 20px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
  cursor: pointer;
}

.service-title {
  font-size: 1.2em;
  font-weight: bold;
  color: #003366;
}

.service-description {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding-top 0.3s;
}

.service-card:hover .service-description {
  max-height: 500px;
  padding-top: 10px;
}

@media (max-width: 600px) {
  header div {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }

  main {
    padding: 20px;
  }

  .service-title {
    font-size: 1em;
  }
}