html {
    scroll-behavior: smooth;
}

section[id] {
    scroll-margin-top: 5rem;
}

#header.scrolled {
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}