/* Custom styles for Dr. David Uhls DO website */

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

/* Navbar scroll effect */
#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Service card hover animation */
.service-card {
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile links */
.mobile-link {
    position: relative;
    padding-left: 0;
    transition: padding-left 0.2s ease;
}

.mobile-link:hover {
    padding-left: 8px;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 1;
        transform: translateY(0);
    }
    
    .service-card:nth-child(1) { transition-delay: 0ms; }
    .service-card:nth-child(2) { transition-delay: 50ms; }
    .service-card:nth-child(3) { transition-delay: 100ms; }
    .service-card:nth-child(4) { transition-delay: 150ms; }
    .service-card:nth-child(5) { transition-delay: 200ms; }
    .service-card:nth-child(6) { transition-delay: 250ms; }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* Form focus states */
input:focus,
select:focus,
textarea:focus {
    border-color: #0d9488;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* Button hover effects */
button[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

button[type="submit"]:active {
    transform: translateY(0);
}

/* Image loading placeholder */
img {
    background-color: #f1f5f9;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .service-card,
    button[type="submit"] {
        transition: none;
    }
    
    .animate-bounce {
        animation: none;
    }
}