.jumbotron {
  padding-top: 212px;
  padding-bottom: 212px;
  margin-bottom: -160px;
  background-image: url(img/background-web-pengisian.gif);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.custom-heading {
  color: #07b5f5;
  font-family: "Madimi One", sans-serif;
  margin-top: 3px;
}

#about {
  background-color: #07b5f5;
}

#projects {
  background-color: #fff;
}

#contact {
  background-color: #f86f03;
  background: linear-gradient(135deg, #f86f03 100%, #ff9a3c 100%);
}

.col h2 {
  color: white;
  font-family: "Madimi One", sans-serif;
  margin-top: 3px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.col2 {
  text-align: center;
  background-color: white;
  border-radius: 10px;
  margin: 20px;
}

.col2 h2,
.custom-list {
  font-family: "Madimi One", sans-serif;
  margin-top: 3px;
  text-align: center;
}

.col2 h2 {
  color: black;
}

.custom-list {
  color: black;
  list-style: square;
}

.custom-list li {
  margin-bottom: 10px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

section {
  padding-top: 5rem;
}

footer {
  background-color: white;
  margin-top: -1px;
}

/* Card Styling */
.card {
  border-radius: 15px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
}

.card-header {
  border-bottom: none;
  padding: 1.5rem;
}

.card-body {
  padding: 2rem;
}

/* Form Styling */
.form-control, .form-select {
  border-radius: 10px;
  border: 2px solid #e9ecef;
  padding: 12px 15px;
  transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
  border-color: #f86f03;
  box-shadow: 0 0 0 0.2rem rgba(248, 111, 3, 0.25);
}

.form-label {
  color: #495057;
  margin-bottom: 8px;
}

/* Button Styling */
.btn {
  border-radius: 10px;
  padding: 12px 25px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #f86f03 0%, #ff9a3c 100%);
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e65a00 0%, #f86f03 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(248, 111, 3, 0.4);
}

.btn-danger {
  background: linear-gradient(135deg, #dc3545 0%, #e74c3c 100%);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #c82333 0%, #dc3545 100%);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(220, 53, 69, 0.4);
}

/* Alert Styling */
.alert {
  border-radius: 10px;
  border: none;
  padding: 1rem 1.5rem;
}

.alert-success {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  color: #155724;
}

.alert-danger {
  background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
  color: #721c24;
}

/* Navbar Styling */
.navbar {
  backdrop-filter: blur(10px);
  background: rgba(248, 111, 3, 0.95) !important;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.2rem;
}

/* Icon Styling */
.bi {
  transition: transform 0.3s ease;
}

.card:hover .bi {
  transform: scale(1.1);
}

/* Animation for form elements */
.form-control, .form-select {
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
  .card-body {
    padding: 1.5rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 10px;
  }
  
  .btn + .btn {
    margin-left: 0;
  }
}

@media screen and (max-width: 600px) {
  .logo-img {
    width: 100%;
    height: auto;
  }
  
  .jumbotron {
    padding-top: 150px;
    padding-bottom: 150px;
  }
  
  .col h2 {
    font-size: 1.5rem;
  }
}

/* Loading animation */
.spinner-border {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #f86f03;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #e65a00;
}