/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
body { margin: 0; }
img, video, svg { display: block; max-width: 100%; }
input, select, textarea { font-family: inherit; font-size: 100%; }

/* ── Reveal on scroll (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; }
}

/* ── Mobile menu button animation ── */
#menu-toggle[aria-expanded="true"] #bar1 { transform: rotate(45deg) translate(4px, 4px); }
#menu-toggle[aria-expanded="true"] #bar2 { opacity: 0; }
#menu-toggle[aria-expanded="true"] #bar3 { transform: rotate(-45deg) translate(4px, -4px); width: 1.25rem; }

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1a1d20; }
::-webkit-scrollbar-thumb { background: #515559; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #6f7377; }

/* ── Selection ── */
::selection { background: #f97316; color: #1a1d20; }