/* Background */
body {
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  font-family: "Segoe UI", sans-serif;
}

/* Header */
.header-app {
  color: white;
  text-align: center;
  margin-bottom: 20px;
}

/* Card */
.card {
  border-radius: 20px;
  border: none;
}

/* Input */
.form-control,
.form-select {
  border-radius: 10px;
  padding: 10px;
}

/* Label */
label {
  font-weight: 500;
}

/* Button */
.btn-primary {
  border-radius: 10px;
  padding: 12px;
  font-weight: bold;
}

/* Hover efek */
.card:hover {
  transform: translateY(-2px);
  transition: 0.3s;
}

/* Focus input */
.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 5px rgba(13, 110, 253, 0.5);
  border-color: #0d6efd;
}
.card,
.hero {
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.question-card {
  background: white;
  padding: 30px;
  border-radius: 25px;
  margin-bottom: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.option-card {
  display: block;
  padding: 30px 20px;
  border: 2px solid #dbe4f0;
  border-radius: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  height: 100%;
  background: #fff;
}

.option-card:hover {
  transform: translateY(-5px);
  border-color: #6c63ff;
}

.btn-check:checked + .option-card {
  background: linear-gradient(135deg, #6c63ff, #7b4dff);
  color: white;
  border-color: #6c63ff;
}

.option-card h5 {
  font-weight: bold;
  margin-bottom: 15px;
}

/* QUESTION CARD */
.question-card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

/* OPTION CARD */
.option-card {
  display: block;
  background: white;
  border: 2px solid #e9ecef;
  border-radius: 18px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  height: 100%;
}

.option-card:hover {
  transform: translateY(-5px);
  border-color: #6f42c1;
  box-shadow: 0 10px 25px rgba(111, 66, 193, 0.15);
}

/* SAAT DIPILIH */
.btn-check:checked + .option-card {
  border-color: #6f42c1;
  background: #f3efff;
  box-shadow: 0 10px 30px rgba(111, 66, 193, 0.25);
}

/* ICON */
.option-card h5 {
  font-weight: 700;
  margin-bottom: 10px;
}

/* BUTTON */
.btn-success {
  border-radius: 12px;
  padding: 12px 30px;
  font-weight: 600;
}

/* PROGRESS */
.progress-custom {
  height: 10px;
  border-radius: 10px;
  overflow: hidden;
  background: #e9ecef;
}

.progress-custom .progress-bar {
  background: linear-gradient(90deg, #6f42c1, #0d6efd);
}