/* ── Base & Utilities ── */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* ── Floating Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-10px); }
}
@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-6px); }
}
@keyframes float-slower {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-4px); }
}

.animate-float    { animation: float       3.5s ease-in-out infinite; }
.animate-float-slow  { animation: float-slow    4.5s ease-in-out infinite; }
.animate-float-slower { animation: float-slower  5.5s ease-in-out infinite; }

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Mobile menu transition ── */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
#mobileMenu.open {
    max-height: 400px;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}