/* Base */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

/* Scroll reveal — progressive enhancement, hidden by default via JS */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal.is-hidden {
        opacity: 0;
        transform: translateY(24px);
    }
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(11, 15, 26, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Mobile menu transitions */
#mobileMenu {
    animation: slideDown 0.25s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0b0f1a; }
::-webkit-scrollbar-thumb { background: rgba(255, 69, 33, 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 69, 33, 0.5); }

/* Selection */
::selection { background: rgba(255, 69, 33, 0.3); color: #fff; }