/* 
 * UI Effects and Animations for SEO by FuelitOnline (FIO)
 * Enhanced visual effects based on design examples
 */

/* Button Ripple Effect */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::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%;
}

.btn:hover::after {
    animation: ripple 1s ease-out;
}

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

/* Navigation Link Underline Effect */
.nav-link {
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::before {
    width: 100%;
}

/* Form Control Focus Effect */
.form-control:focus {
    transform: translateY(-2px);
    transition: transform 0.3s ease;
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.1);
}

/* Card Hover Effects */
.feature-card, .testimonial-card, .plan-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover, .testimonial-card:hover, .plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* Input Focus Effects */
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.2);
}

/* Button Hover Effects */
.primary-btn {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    transition: all var(--transition-medium);
}

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(74, 107, 255, 0.3);
}

.secondary-btn {
    background-color: var(--white);
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    transition: all var(--transition-medium);
}

.secondary-btn:hover {
    background-color: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(74, 107, 255, 0.15);
}

/* Feature Icon Hover Effect */
.feature-icon {
    transition: all var(--transition-medium);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    background-color: var(--primary);
    color: var(--white);
}

/* Fade In Animation */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Pulse Animation for CTA elements */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Price Toggle Animation */
@keyframes priceChange {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    40% {
        transform: translateY(-15px);
        opacity: 0;
    }
    60% {
        transform: translateY(15px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.price-change .price {
    animation: priceChange 0.5s ease-in-out;
}