/* Lutish CompanyTheme — Sticky Header */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-100%); }
    to   { opacity: 1; transform: translateY(0); }
}
.main-header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    animation: fadeInDown 0.4s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.main-header.header-sticky {
    transition: box-shadow 0.3s;
}