/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ── Reveal Animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-left {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-right {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
}

/* ── Mobile Menu Transition ── */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
#mobile-menu.open {
    max-height: 400px;
    padding-top: 0;
}

/* ── Navbar Scroll State ── */
#navbar.scrolled {
    background: rgba(250, 244, 247, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(215, 167, 183, 0.2);
    box-shadow: 0 1px 20px rgba(79, 39, 49, 0.06);
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #faf4f7; }
::-webkit-scrollbar-thumb { background: #d7a7b7; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a85a74; }

/* ── Selection Color ── */
::selection { background: #e8cdd8; color: #4f2731; }