body {
  padding-top: 36px;
  background-image: linear-gradient(to bottom, #1A1D23, #2C3E50);
  font-family: Arial, sans-serif;
}

.jumbotron {
  background-image: url('assets/img/bg1.jpg');                                       
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  height: 100vh;
  margin-bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 3s;
  position: relative;
}

.jumbotron::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to bottom, rgba(26, 29, 35, 0.5), rgba(44, 62, 80, 0.5));
  filter: blur(10px);
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.jumbotron h1 {
  color: #FFFFFF;
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 1;
}

.jumbotron p {
  color: #FFFFFF;
  font-size: 1.5rem;
  margin-bottom: 40px;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 1;
}

.card {
  background-image: linear-gradient(to bottom, #2C3E50, #34495E);
  margin-bottom: 20px;
  text-align: center;
  border: none;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
  animation: slideIn 1s;
}

@keyframes slideIn {
  0% {
    transform: translateY(100px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.card:hover {
  transform: scale(1.05);
}

.card .fa {
  font-size: 2rem;
  margin-bottom: 10px;
  color: #87CEEB;
}

.card-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 10px;
  color: #FFFFFF;
}

.card-text {
  color: #FFFFFF;
}

.bg-primary {
  background-image: linear-gradient(to bottom, #1A1D23, #2C3E50) !important;
}

.btn-primary {
  background-image: linear-gradient(to bottom, #3498DB, #2E6DA4);
  border: none;
  transition: background-image 0.3s;
}

.btn-primary:hover {
  background-image: linear-gradient(to bottom, #2E6DA4, #1A5A8A);
}

.navbar {
  background-image: linear-gradient(to bottom, #1A1D23, #2C3E50);
  padding: 1rem;
  animation: fadeIn 1s;
}

.navbar-brand {
  color: #FFFFFF;
  font-size: 1.5rem;
  font-weight: bold;
}

.navbar-nav .nav-link {
  color: #FFFFFF;
  font-size: 1rem;
  margin-right: 20px;
}

.navbar-nav .nav-link:hover {
  color: #87CEEB;
}

@media (max-width: 768px) {
  .jumbotron {
    background-size: auto 100vh;
    background-position: top center;
  }
}

@media (max-width: 480px) {
  .jumbotron {
    background-size: auto 60vh;
    background-position: top center;
  }
}