body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  color: #fff;
  background-color: #000;
  overflow-x: hidden;
}
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
}
.spinner {
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #007aff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}


header {
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  padding: 15px 40px;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

header nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}


.logo {
  height: 45px;
  width: auto;
  margin-right:0px;
}

header nav ul li {
  margin: 0 20px;
}

header nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  display: flex;
  align-items: center;
}
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero-content {
  z-index: 10;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #ff7e5f, #feb47b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.btn {
  background-color: #007aff;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 25px;
  font-weight: bold;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #005bb5;
}

#container3D {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.features {
  display: flex;
  justify-content: space-around;
  padding: 100px 20px;
  background-color: #111;
}
.feature {
  text-align: center;
  max-width: 300px;
}

.feature h2 {
  font-size: 2rem;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #00c6ff, #0072ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(135deg, #0072ff, #00c6ff);
}
.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.cta p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}
footer {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 20px;
}

.social-links {
  margin-top: 10px;
}

.social-links a {
  color: #fff;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
}

@media (max-width: 768px) {
  .features {
    flex-direction: column;
    align-items: center;
  }

  .feature {
    width: 80%;
    margin-bottom: 40px;
  }

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

  .hero-content p {
    font-size: 1.2rem;
  }
}