/* Custom styles for O'Donnell Trades & Concepts */

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

/* Ensure no flash of hidden content for above-the-fold */
body {
    opacity: 1;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Service card stagger animation (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }
    
    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .service-card:nth-child(1) { transition-delay: 0.05s; }
    .service-card:nth-child(2) { transition-delay: 0.1s; }
    .service-card:nth-child(3) { transition-delay: 0.15s; }
    .service-card:nth-child(4) { transition-delay: 0.2s; }
    .service-card:nth-child(5) { transition-delay: 0.25s; }
    .service-card:nth-child(6) { transition-delay: 0.3s; }
}

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

#mobileMenu.open {
    max-height: 400px;
    padding-top: 0;
}

/* Navbar shadow on scroll */
#navbar.scrolled {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Selection color */
::selection {
    background-color: #ccfbf1;
    color: #134e4a;
}