/* Custom styles for Dr. Alex J. Smith Medical Website */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar scroll effect */
nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Service card hover effect */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #af1638, #ed708d);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#mobile-menu.active {
    max-height: 400px;
}

/* Back to top button animation */
#back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    border-color: #af1638;
    box-shadow: 0 0 0 3px rgba(175, 22, 56, 0.1);
}

/* Testimonial card hover */
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-8px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f5f5f4;
}

::-webkit-scrollbar-thumb {
    background: #af1638;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8f1432;
}

/* Fade in animation for scroll reveal */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Pulse animation for CTA buttons */
@keyframes pulse-subtle {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(175, 22, 56, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(175, 22, 56, 0);
    }
}

.cta-pulse {
    animation: pulse-subtle 2s infinite;
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, #af1638, #ed708d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .service-card {
        padding: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
}