.horizontal-menu {   
    position: sticky;
    top: 0;
    background: var(--primary-color);
    overflow-x: auto;
    white-space: nowrap;
    padding: 0.8rem 0;
    z-index: 999;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-snap-type: x mandatory;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.horizontal-menu::-webkit-scrollbar { display: none; }

.menu {
    display: flex;
    list-style: none;
    margin: 0 auto;
    max-width: 100%;
    justify-content: center;
    gap: 1rem;
}

.menu a {
    color: var(--primary-bg-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    scroll-snap-align: center;
    position: relative;
    min-width: fit-content;
    white-space: nowrap;
}

.menu a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
    transform: translateX(-50%);
}

.menu a:hover,
.menu a.active {
    color: var(--border-color);
    background-color: var(--dark);
}