/* Space-themed styling */
body {
  background: linear-gradient(135deg, #0c1445 0%, #1a237e 50%, #0c1445 100%);
  color: #e0f7fa;
  min-height: 100vh;
  position: relative;
  overflow-y: auto; /* Allow vertical scrolling */
  padding-bottom: 70px;
}

.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.star {
  position: absolute;
  background-color: #fff;
  border-radius: 50%;
  animation: twinkle var(--duration, 5s) infinite ease-in-out;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

/* Fixed footer */
.fixed-footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 60px;
  line-height: 60px;
  background-color: rgba(13, 19, 33, 0.9);
  border-top: 1px solid #00ff00;
  z-index: 1030;
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.text-muted {
  color: rgba(224, 247, 250, 0.8) !important;
}

.text-secondary {
  color: #b8d7ff !important;
}

.navbar {
  background: rgba(13, 19, 33, 0.9);
  border: 1px solid #00ff00;
  backdrop-filter: blur(5px);
}

.navbar-brand {
  color: #00ff00 !important;
  font-weight: bold;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
}

.nav-link {
  color: #e0f7fa !important;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}

.nav-link:hover {
  color: #00ff00 !important;
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.7);
}

.card {
  background: rgba(13, 19, 33, 0.9);
  border: 1px solid #00ff00;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.3);
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
  color: #e0f7fa;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px rgba(0, 255, 0, 0.5);
  border-color: #00ff00;
}

.btn {
  background: transparent;
  border: 2px solid #00ff00;
  color: #00ff00;
  padding: 12px 24px;
  border-radius: 4px;
  transition: all 0.3s ease;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover {
  background: rgba(0, 255, 0, 0.2);
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
  transform: scale(1.05);
}

.btn-primary {
  background: linear-gradient(45deg, #00ff00, #008800);
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(45deg, #008800, #00ff00);
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.7);
}

.display-5 {
  font-weight: 700;
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
  letter-spacing: 2px;
}

h1, h2, h3 {
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}

.section-title {
  position: relative;
  margin-bottom: 30px;
  text-align: center;
}

.section-title:after {
  content: '';
  display: block;
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00ff00, transparent);
  margin: 10px auto;
}

.hero-text {
  font-size: 1.2rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 30px;
}