/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Navbar scroll state ── */
#site-nav.scrolled {
    background: rgba(61, 7, 18, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* ── Mobile menu ── */
#mobile-menu.open { display: block; }
#mobile-menu.open[aria-hidden="false"] { display: block; }

/* ── Scroll reveal (below-fold only, progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
}

/* Fallback: always visible if JS disabled or reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ── Selection ── */
::selection {
    background: #ff809e;
    color: #3d0712;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FFF8F0; }
::-webkit-scrollbar-thumb { background: #831533; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #9f1537; }