/* Shared footer layout, including links that rearrange on narrower screens. */
.footer {
    position: relative;
    border-top: var(--border-thin);
    background: linear-gradient(to top in oklch, #696969 0%, #d3d3d3 100%);
    box-shadow:
        inset 0 0.0625rem 0 rgba(255, 255, 255, 0.32),
        inset 0 -0.0625rem 0 rgba(0, 0, 0, 0.2);
    padding: clamp(0.5rem, 1.2vw, 0.75rem) clamp(0.25rem, 1vw, 0.75rem) 0.25rem;
    font-weight: 500;
}

.footer::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0.3rem;
    height: 0.65rem;
    background-image: radial-gradient(
        circle closest-side,
        #f0f0f0 0%,
        #d7d7d7 18%,
        #b5b5b5 38%,
        #7c7c7c 58%,
        #585858 72%,
        rgba(88, 88, 88, 0.35) 82%,
        transparent 100%
    );
    background-size: 2.75rem 0.65rem;
    background-repeat: round no-repeat;
    background-position: left center;

    mix-blend-mode: multiply;
    opacity: 0.95;
    pointer-events: none;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    column-gap: clamp(2rem, 8vw, 36rem);
    row-gap: clamp(0.5rem, 1vw, 1rem);
    justify-content: center;
    align-items: center;

    max-width: var(--site-max-width);
    margin: 0 auto;
    padding: clamp(0.75rem, 1vw, 1rem) clamp(0.75rem, 2vw, 1.5rem);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    row-gap: clamp(0.5rem, 1vw, 1rem);
    gap: clamp(0.75rem, 2vw, 1.5rem);
    min-width: 0;
    max-width: 100%;
}

.footer-copyright {
    margin: 0;
    color: var(--color-ink);
    font-size: clamp(0.85rem, 0.95rem + 0.2vw, 1rem);
}

.footer-link {
    padding: 0.25rem 0;
    border-bottom: var(--border-active);
    border-bottom-color: transparent;
    text-decoration: none;
    color: var(--color-ink);
    font-size: clamp(0.95rem, 0.9rem + 0.3vw, 1.1rem);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-link:visited {
    color: var(--color-ink);
}

.footer-link:hover {
    color: var(--color-contrast);
    border-color: var(--color-contrast);
}

.footer-link:focus-visible {
    outline: 2px solid var(--focus-outline);
    outline-offset: 0.2rem;
}

.footer-link.active {
    border-bottom-color: var(--color-contrast);
}