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

/* Body and Background */
body {
  font-family: 'Arial', sans-serif;
  background: url('background.png') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
  overflow-x: hidden;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: rgba(0, 0, 0, 0.8);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #00d4ff;
}

.nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 1rem;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav a:hover {
  color: #00d4ff;
}

/* Main Section */
.main-section {
  text-align: center;
  padding: 10rem 2rem;
  color: #fff;
}

.hero h1 {
  font-size: 3.5rem;
  color: #00d4ff;
  text-shadow: 0 0 10px #00d4ff, 0 0 20px #008eb3;
}

.hero p {
  font-size: 1.2rem;
  margin: 1rem 0;
}

.cta-button {
  padding: 0.8rem 1.5rem;
  font-size: 1.1rem;
  color: #fff;
  background-color: #00d4ff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s, box-shadow 0.3s;
  box-shadow: 0 0 10px #00d4ff;
}

.cta-button:hover {
  background-color: #008eb3;
  box-shadow: 0 0 20px #00d4ff;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 0;
  background-color: rgba(0, 0, 0, 0.9);
  color: #fff;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.social-links a img {
  width: 40px;
  height: 40px;
  transition: transform 0.3s;
}

.social-links a img:hover {
  transform: scale(1.2);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.95);
  color: #333;
  padding: 2rem;
  border-radius: 10px;
  width: 90%;
  max-width: 600px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.modal-content h2 {
  font-size: 2rem;
  color: #00d4ff;
  margin-bottom: 1rem;
}

.modal-content p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  color: #555;
}

.modal-content .close-button {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  color: #333;
  cursor: pointer;
  background: none;
  border: none;
  font-weight: bold;
  transition: color 0.3s;
}

.modal-content .close-button:hover {
  color: #00d4ff;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    text-align: center;
  }

  .nav a {
    margin: 0.5rem 0;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .cta-button {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
  }

  .modal-content {
    width: 95%;
  }
}