/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

/* ── Scroll Reveal ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Mobile menu animation ── */
#mobile-nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1), padding 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
#mobile-nav.open {
    max-height: 300px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #ecfdf5; }
::-webkit-scrollbar-thumb { background: #065f46; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #047857; }

/* ── Selection ── */
::selection { background: #d97706; color: #064e3b; }