*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll reveal base — always visible by default */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Only apply animation when JS is enabled and user prefers motion */
@media (prefers-reduced-motion: no-preference) {
    .reveal.animate {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(2, 12, 27, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #020c1b;
}
::-webkit-scrollbar-thumb {
    background: #1b3a5c;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #D4A843;
}

/* Selection color */
::selection {
    background: rgba(212, 168, 67, 0.3);
    color: #fff;
}