body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  overflow-x: hidden;
  background: url('background1.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #eee;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: url('header.jpdsfsfdsfgsgydshdfshdsgjhfsujrst') no-repeat center center;
  background-size: cover;
  box-shadow: 0 2px 10px rgba(0,0,0,0.7);
  position: relative;
  z-index: 1;
  /* border-bottom: 2px solid #4fc3f7;  -- REMOVED */
}

header h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 50px;
  color: #4fc3f7;
  letter-spacing: 2px;
}

.logo {
  height: 250px;
}

nav a {
    font-size: 20px;
    padding: 10px 20px;
    color: white;
    background-color: #007BFF;
    border: none;
    border-radius: 30px;
    text-decoration:none;
    transition: all 0.3s ease;
  }

  nav:hover a {
    opacity: 0.2; /* Fade out all buttons on hover over nav */
  }

  nav a:hover {
    opacity: 1; /* Full visible only on the hovered button */
  }
.hero, .section {
  padding: 60px 50px;
  text-align: center;
  position: relative;
  z-index: 1;
  background: rgba(11, 11, 59, 0.9);
  margin: 50px;
  border-radius: 15px;
}

.hero h2, .section h3 {
  font-family: 'Orbitron', sans-serif;
  color: #4fc3f7;
  margin-bottom: 30px;
}

.hero p, .section p {
  font-size: 18px;
  font-weight: 400;
  max-width: 700px;
  margin: auto;
  line-height: 1.6;
}

.projects, .team, .gallery, .references {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: #101047;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(79,195,247,0.5);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 15px;
}

.card h4 {
  font-family: 'Orbitron', sans-serif;
  color: #4fc3f7;
  margin-bottom: 10px;
  font-size: 22px;
}

.footer {
  padding: 20px;
  text-align: center;
  font-size: 14px;
  background: #0b0b3b;
  color: #999;
  margin-top: 50px;
  border-radius: 0 0 15px 15px;
}

a {
  color: #4fc3f7;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}