/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Center the hub in the middle of the page */
body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #081b29;
}

/* Navigation Bar */
header {
  background: transparent;
  padding: 20px 10%;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  transition: background 0.3s ease;
}

header.scrolled {
  background: #081b29;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 35px;
}

nav ul li a {
  font-size: 18px;
  color: #ededed;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  color: #00abf0;
}

/* Hub Container */
#hub {
  text-align: center;
  background: white;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 600px;
}

/* Section Header */
.title {
  font-size: 2rem;
  margin-bottom: 20px;
}

/* Grid Layout for Hub Items */
.hub-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

/* Hub Item (Each App) */
.hub-item {
  text-decoration: none;
  color: inherit;
  display: block;
}

.hub-item:hover {
  transform: scale(1.05);
}

/* Image Styling */
.hub-image img {
  width: 80px;
  height: 80px;
}

/* Hub Item Text */
.hub-info h3 {
  font-size: 1rem;
  margin: 10px 0;
}

.hub-info p {
  font-size: 0.9rem;
  color: #555;
}

/* Link Button */
.hub-link {
  display: inline-block;
  margin-top: 10px;
  color: #007bff;
  font-size: 1.2rem;
}