@keyframes neonBorderGlow {
    0% {
        box-shadow: 0 0 25px rgba(15, 23, 42, 0.4), inset 0 0 12px rgba(15, 23, 42, 0.2);
        border-color: #0f172a;
    }
    50% {
        box-shadow: 0 0 40px rgba(37, 99, 235, 0.6), inset 0 0 20px rgba(37, 99, 235, 0.3);
        border-color: #2563eb;
    }
    100% {
        box-shadow: 0 0 25px rgba(15, 23, 42, 0.4), inset 0 0 12px rgba(15, 23, 42, 0.2);
        border-color: #0f172a;
    }
}

.baski-container { 
    max-width: 1200px; 
    margin: 20px auto; 
    padding: 0 15px; 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; 
    box-sizing: border-box; 
}

.baski-card { 
    background: #ffffff; 
    border: 4px solid #0f172a; 
    border-radius: 16px; 
    padding: 30px; 
    position: relative;
    overflow: hidden;
    animation: neonBorderGlow 3s infinite ease-in-out;
}

.baski-header-full {
    grid-column: 1 / -1;
    margin-bottom: 10px;
}

.baski-title { 
    color: #0f172a; 
    font-size: 24px; 
    font-weight: 700; 
    margin-bottom: 4px; 
    letter-spacing: -0.5px;
}

.baski-subtitle {
    color: #64748b;
    font-size: 13.5px;
    margin-bottom: 15px;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 8px;
}

.baski-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    align-items: start;
}

.baski-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group { 
    margin-bottom: 0; 
}

.form-group label { 
    display: block; 
    font-weight: 700; 
    font-size: 12px; 
    margin-bottom: 5px; 
    color: #0f172a; 
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input, .form-group select, .form-group textarea { 
    width: 100%; 
    padding: 10px 14px; 
    border: 2px solid #cbd5e1; 
    border-radius: 8px; 
    font-size: 13.5px; 
    box-sizing: border-box; 
    transition: all 0.2s ease;
    background: #f8fafc;
    color: #0f172a;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus { 
    outline: none;
    border-color: #2563eb;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.price-box { 
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); 
    border: 2px solid #2563eb; 
    border-radius: 12px; 
    padding: 15px; 
    text-align: center; 
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.15);
}

.price-box span {
    color: #cbd5e1; 
    font-size: 12px; 
    font-weight: 600;
    text-transform: uppercase;
}

.price-box h3 { 
    margin: 4px 0 0 0; 
    color: #60a5fa; 
    font-size: 28px; 
    font-weight: 700; 
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn-submit { 
    background: #2563eb; 
    color: #ffffff; 
    border: none; 
    padding: 14px 20px; 
    font-size: 15px; 
    font-weight: 700; 
    border-radius: 8px; 
    cursor: pointer; 
    width: 100%; 
    transition: all 0.2s ease; 
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    margin-top: 5px;
}

.btn-submit:hover { 
    background: #1d4ed8; 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.alert-danger { 
    background: #fee2e2; 
    color: #991b1b; 
    padding: 12px 15px; 
    border-radius: 8px; 
    margin-bottom: 15px; 
    font-weight: 700; 
    font-size: 13.5px; 
    border-left: 5px solid #dc2626;
    grid-column: 1 / -1;
}

.package-description-box { 
    background: #f8fafc; 
    border-left: 4px solid #0f172a; 
    padding: 10px 12px; 
    border-radius: 0 6px 6px 0; 
    font-size: 12.5px; 
    color: #1e293b; 
    line-height: 1.4; 
}

.bank-info-box { 
    background: #f0f9ff; 
    border: 1px solid #bae6fd; 
    border-left: 5px solid #0f172a;
    border-radius: 10px; 
    padding: 14px; 
    font-size: 12.5px; 
    color: #0369a1; 
    line-height: 1.5; 
}

.bank-info-box b { 
    color: #0f172a; 
}

.copy-btn { 
    background: #0f172a; 
    color: #60a5fa; 
    border: none; 
    padding: 2px 6px; 
    font-size: 10px; 
    border-radius: 4px; 
    cursor: pointer; 
    margin-left: 4px; 
    font-weight: 700; 
}

.copy-btn:hover { 
    background: #2563eb; 
    color: #ffffff;
}

@media (max-width: 900px) {
    .baski-grid-layout {
        grid-template-columns: 1fr;
    }
    .baski-container { margin: 10px auto; padding: 0 8px; }
    .baski-card { 
        padding: 15px; 
        animation: none !important;
        border: 2px solid #0f172a !important;
        box-shadow: 0 2px 6px rgba(0,0,0,0.04) !important;
    }
}