/* Custom styles for Dr. Michael Douglas MD website */

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

/* Scroll reveal animations - progressive enhancement */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll effect */
.navbar-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #0d9488;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0f766e;
}

/* Selection color */
::selection {
    background: #99f6e4;
    color: #042f2e;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

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

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

/* Image optimization */
img {
    max-width: 100%;
    height: auto;
}

/* Print styles */
@media print {
    .scroll-reveal {
        opacity: 1 !important;
        transform: none !important;
    }
    
    header, footer, .scroll-indicator {
        display: none;
    }
}