/* Enhanced Button Styles */
.payment-price-card {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.payment-price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--secondary-color);
}

.payment-price-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.payment-price-card:hover::after {
    transform: translateX(0);
}

/* Button Hover Effects */
.cta-button, 
.download-button, 
.payment-link-button,
.tab-button,
input[type="image"] {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.cta-button:hover, 
.download-button:hover, 
.payment-link-button:hover,
.tab-button:hover,
input[type="image"]:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
}

.cta-button:active, 
.download-button:active, 
.payment-link-button:active,
.tab-button:active,
input[type="image"]:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

/* Ripple Effect for Buttons */
.cta-button::after, 
.download-button::after, 
.payment-link-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

.cta-button:focus:not(:active)::after, 
.download-button:focus:not(:active)::after, 
.payment-link-button:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

/* PayPal Button Enhancement */
.paypal-form-container {
    text-align: center;
    margin: 20px 0;
}

.paypal-form-container input[type="image"] {
    transition: all 0.3s ease;
    transform: scale(1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.paypal-form-container input[type="image"]:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Visual Feedback for Interactive Elements */
.interactive-element {
    position: relative;
}

.interactive-element::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.05);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.interactive-element:hover::before {
    opacity: 1;
}

/* Focus States for Accessibility */
.cta-button:focus, 
.download-button:focus, 
.payment-link-button:focus,
.tab-button:focus,
input[type="image"]:focus,
.payment-price-card:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Mobile Enhancements */
@media (max-width: 768px) {
    .cta-button, 
    .download-button, 
    .payment-link-button,
    .tab-button {
        padding: 12px 24px;
        font-size: 16px;
    }
    
    .payment-price-card {
        padding: 15px;
    }
}