/* General Body and Layout */
body {
  font-family: 'Orbitron', sans-serif; /* Futuristic font for a clean digital feel */
  background: linear-gradient(135deg, #000428, #004e92); /* AI-inspired gradient */
  color: #e0e0e0;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-size: 16px;
  margin-top: 150px;
}

header {
  margin-bottom: 30px;
  text-align: center;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #00ffcc; /* Neon cyan for a glowing digital effect */
  text-shadow: 0 0 15px rgba(0, 255, 204, 0.8), 0 0 30px rgba(0, 255, 204, 0.7);
  letter-spacing: 2px;
}

/* Loader */
.loader-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 1000;
}

.container {
  --uib-size: 120px;
  --uib-color: #00ffcc; /* Neon cyan color for the loader */
  --uib-speed: 1.5s;
  --uib-stroke: 14px; /* Thicker stroke for a stronger impact */
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--uib-size);
  height: calc(var(--uib-size) * 1.2);
}

.bar {
  width: var(--uib-stroke);
  height: 100%;
  background-color: var(--uib-color);
  margin-right: 5px;
  transition: background-color 0.3s ease;
}

@keyframes grow {
  0%,
  100% {
    transform: scaleY(0.3);
  }
  50% {
    transform: scaleY(1);
  }
}

.bar:nth-child(1),
.bar:nth-child(2),
.bar:nth-child(3),
.bar:nth-child(4) {
  animation: grow var(--uib-speed) ease-in-out infinite;
}

.bar:nth-child(1) {
  animation-delay: -0.45s;
}

.bar:nth-child(2) {
  animation-delay: -0.3s;
}

.bar:nth-child(3) {
  animation-delay: -0.15s;
}

/* Navbar */
.navbar {
  background: rgba(0, 0, 0, 0.7);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 15px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.navbar-brand {
  font-size: 1.03rem;
  color: #fff;
  font-weight: 700;
  
}

.navbar-nav .nav-link {
  color: #ddd;
  font-size: 1.1rem;
  margin-left: 20px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: #00ffcc; /* Glowing neon hover effect */
}

.navbar-nav .nav-link.active {
  font-weight: 700;
  color: #00ffcc; /* Active state color */
}

/* Page Content */
#content {
  display: none;
  padding-top: 80px; /* Account for fixed navbar */
}

.main {
  margin: 0 auto;
  padding: 30px;
  background: rgba(0, 0, 0, 0.85); /* Dark background with slight opacity */
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  max-width: 1200px;
}

.history-content {
  margin-bottom: 30px;
}

h2 {
  color: #00ffcc;
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
}

p {
  font-size: 1.2rem;
  line-height: 1.8;
  color: #d3d3d3;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/* Download Section */
.download-section {
  margin-top: 30px;
}

.uiverse-btn {
  display: inline-block;
  background: linear-gradient(to right, #00ffcc, #0b64b2);
  border-radius: 50px;
  padding: 12px 25px;
  color: #fff;
  font-size: 1.3rem;
  text-transform: uppercase;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.uiverse-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.uiverse-button {
  background-color: transparent;
  color: #fff;
  border: none;
  font-size: 1.1rem;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 500;
  cursor: pointer;
}

.uiverse-button:hover {
  background-color: rgba(0, 255, 204, 0.8);
  transform: scale(1.05);
}

/* Footer */
footer {
  margin-top: 40px;
  font-size: 1rem;
  color: #d3d3d3;
  font-style: italic;
  text-align: center;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  .navbar-nav .nav-link {
    font-size: 1rem;
    margin-left: 10px;
  }

  .main {
    padding: 20px;
  }
}