/* Base styles and custom overrides */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* 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 for scroll reveal */
.service-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar scroll state */
.nav-scrolled {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
#mobile-menu.open {
    max-height: 400px;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* Ensure hero text is readable on all screen sizes */
@media (max-width: 640px) {
    #hero h1 {
        font-size: 2.25rem;
        line-height: 1.15;
    }
}