:root {
  --primary: #000040;
  --light: #f8f9fa;
  --dark: #212529;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--dark);
}

.navbar {
  padding: 15px 0;
}

.navbar-brand {
  color: var(--primary);
  font-size: 1.5rem;
}

.nav-link {
  color: var(--dark);
  font-weight: 600;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--dark);
  border-color: var(--dark);
}

.btn-sm-square {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  border: none;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.progress {
  height: 20px;
  background-color: var(--light);
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar {
  background-color: var(--primary);
  transition: width 2s ease-in-out;
}

.carousel-item {
  padding: 40px;
}

.carousel-control-prev,
.carousel-control-next {
  width: 60px;
  background: var(--primary);
  opacity: 0.7;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  filter: invert(100%);
}

.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
}

section {
  padding: 80px 0 60px 0; /* Offset for fixed navbar */
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--primary);
}

footer {
  background-color: var(--primary);
}

footer a {
  color: #fff;
}

footer a:hover {
  color: var(--light);
}

.social-icons {
  display: inline-flex;
  align-items: center;
  gap: 10px; /* Space between icons */
}

@media (max-width: 768px) {
  .navbar-nav {
    text-align: center;
  }
  .navbar-brand {
    font-size: 1.2rem;
  }
  .carousel-item {
    padding: 20px;
  }
  .social-icons {
    gap: 8px; /* Slightly smaller gap on mobile */
  }
}