/* ===== BASE ===== */
*, *::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; }

/* ===== NAVBAR ===== */
#navbar {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(126,34,206,0.08);
}
#navbar.scrolled {
    box-shadow: 0 4px 20px rgba(126,34,206,0.1);
}

/* ===== MOBILE MENU ===== */
#mobileMenu {
    animation: slideDown 0.25s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== REVEAL ANIMATIONS (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-top,
    .reveal-left,
    .reveal-right {
        opacity: 0;
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal-top    { transform: translateY(30px); }
    .reveal-left   { transform: translateX(-30px); }
    .reveal-right  { transform: translateX(30px); }
    .reveal-top.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0);
    }
}

/* Reduced motion: always visible */
@media (prefers-reduced-motion: reduce) {
    .reveal-top,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ===== SCROLL INDICATOR ===== */
@keyframes scrollBounce {
    0%, 100% { top: 0; }
    50% { top: 100%; }
}
</style>