/* Footer scuro: chiusura, recapiti, note legali */
.site-footer {
    background: var(--color-ink);
    color: rgba(255, 255, 255, 0.72);
    padding: var(--section-pad-sm) 0 var(--space-lg);
    font-size: var(--text-sm);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .brand-name {
    display: block;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.3rem;
    color: var(--color-white);
}

.footer-brand .brand-role {
    display: block;
    margin-top: 0.25rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-brand p {
    margin-top: var(--space-sm);
    max-width: 34ch;
}

.footer-heading {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.footer-menu li + li {
    margin-top: 0.5rem;
}

.footer-menu a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.72);
}

.footer-menu a:hover,
.footer-contact a:hover {
    color: var(--color-white);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.footer-contact li {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
}

.footer-contact li + li {
    margin-top: 0.6rem;
}

.footer-contact .icon {
    flex-shrink: 0;
    margin-top: 0.2em;
    color: var(--color-glacier);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    font-size: 1.35rem;
}

.footer-social a {
    display: inline-flex;
    color: rgba(255, 255, 255, 0.72);
}

.footer-social a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm) var(--space-lg);
    padding-top: var(--space-md);
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.55);
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-legal a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* WhatsApp flottante: solo desktop, su mobile c'è la barra */
.floating-whatsapp {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-whatsapp);
    color: var(--color-white);
    font-size: 1.75rem;
    box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.4);
    transition: transform var(--dur-fast) var(--ease-out);
}

.floating-whatsapp:hover {
    color: var(--color-white);
    transform: translateY(-2px);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .floating-whatsapp {
        display: none;
    }
}

@media (max-width: 560px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}