* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Roboto', sans-serif;
  background: #f4f7fa;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

header {
  background: #0d47a1;
  color: white;
  padding: 15px 0;
}

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

.logo {
  margin-left: 10px;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a.active {
  border-bottom: 2px solid #ffeb3b;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5em;
  color: white;
  cursor: pointer;
}

.hero {
  background: linear-gradient(to right, #2196f3, #0d47a1);
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.hero h2 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.hero .btn {
  background: #ffeb3b;
  color: #333;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}

section {
  margin: 40px 0;
}

.gallery {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.gallery img {
  width: 100%;
  max-width: 300px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  margin: 20px 0;
}

.card img {
  width: 100%;
  height: auto;
}

.card-content {
  padding: 20px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
  padding: 10px;
  font-size: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.contact-form button {
  background: #0d47a1;
  color: white;
  border: none;
  padding: 10px;
  cursor: pointer;
  border-radius: 4px;
}

.contact-form button:hover {
  background: #08306b;
}

footer {
  text-align: center;
  padding: 15px;
  background: #eee;
  margin-top: 30px;
}

@media (max-width: 768px) {
  nav {
    display: none;
    flex-direction: column;
    background: #0d47a1;
    position: absolute;
    top: 60px;
    right: 10px;
    padding: 10px;
    border-radius: 5px;
  }

  nav.show {
    display: flex;
  }

  .menu-toggle {
    display: block;
    margin-right: 10px;
  }

  .gallery {
    flex-direction: column;
    align-items: center;
  }
}