.check-item {
     position: relative;
     padding-left: 1.5rem; /* 24px */
     list-style: none;
}

.check-item::before {
     content: '✓';
     position: absolute;
     left: 0;
     color: #22c55e; /* green-500 */
     font-weight: bold;
}
 

.diamond-item {
     position: relative;
     padding-left: 1.5rem; /* 24px */
     list-style: none;
}
   
.diamond-item::before {
     content: '✦';
     position: absolute;
     left: 0;
     color: #3b82f6; /* Tailwind blue-500 */
     font-weight: bold;
}

/* Custom transparent button with white border */
.btn-transparent {
     background-color: transparent;
     border: 1px solid white;
     color: white;
     transition: all 0.3s ease;
}

.btn-transparent:hover {
     background-color: rgba(255, 255, 255, 0.05);
}

.choose-card {
     transition: all 0.3s ease;
     height: fit-content;
 }
 
 .choose-card:hover {
     transform: translateY(-8px);
     box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
 }
 
 .gradient-bg {
     background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
 }

 .hero-pattern {
     background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2391d5ff' fill-opacity='0.2'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
 }
 .price-card {
     transition: all 0.3s ease;
 }
 .price-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
 }
 .section-title {
     position: relative;
     display: inline-block;
 }
 .section-title:after {
     content: '';
     position: absolute;
     bottom: -8px;
     left: 0;
     width: 100%;
     height: 4px;
     background: linear-gradient(90deg, #3B82F6, #60A5FA);
     border-radius: 2px;
 }

 .course-card {
     transition: all 0.3s ease;
     border-radius: 16px;
     overflow: hidden;
 }
 .course-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
 }
 .level-badge {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     width: 32px;
     height: 32px;
     border-radius: 50%;
     font-weight: bold;
     margin-right: 8px;
 }
 .section-title {
     position: relative;
     display: inline-block;
     margin-bottom: 2rem;
 }
 .section-title:after {
     content: '';
     position: absolute;
     bottom: -10px;
     left: 0;
     width: 100%;
     height: 4px;
     background: linear-gradient(90deg, #3B82F6, #60A5FA);
     border-radius: 2px;
 }
 .slope-indicator {
     display: inline-block;
     width: 20px;
     height: 20px;
     border-radius: 4px;
     margin-right: 8px;
 }
 .slope-green {
     background-color: #10B981;
 }
 .slope-red {
     background-color: #EF4444;
 }
 .slope-black {
     background-color: #1F2937;
 }

 .font-display {
     font-family: 'Poppins', sans-serif;
 }

 .option-group:hover .option {
   transform: scale(0.5); /* all shrink slightly when group is hovered */
   opacity: 0.85; /* subtle fade */
 }
 .option-group .option:hover {
   transform: scale(4); /* hovered one grows */
   opacity: 1;
   background: linear-gradient(135deg, #60a5fa, #2563eb); /* example gradient */
   color: white;
   border-color: transparent;
 }