/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }

/* ── Scroll Reveal (progressive enhancement) ── */
@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);
    }
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(250, 245, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(126, 34, 206, 0.08), 0 4px 20px rgba(88, 28, 135, 0.06);
}

/* ── Mobile menu transition ── */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s ease;
    opacity: 0;
}
#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

/* ── Selection color ── */
::selection { background: rgba(168, 85, 247, 0.2); color: #3b0764; }
</style>