/* ===============================
   C.E.S.I - Footer
   =============================== */

.cesi-footer,
.cesi-footer * { box-sizing: border-box; }

.cesi-footer {
    font-family: Arial, Helvetica, sans-serif;
    background: #0d0d0d;
    color: #c8c8c8;
    padding: 36px 20px;
    border-top: 1px solid rgba(255, 255, 255, .06);
}

.cesi-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 40px;
}

/* ---------- COLONNE ---------- */
.cesi-footer__col {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.cesi-footer__col--left {
    align-items: flex-start;
    justify-content: center;
}

.cesi-footer__col--center {
    align-items: center;
    justify-content: center;
    text-align: center;
}

.cesi-footer__col--right {
    align-items: flex-end;
    justify-content: center;
}

/* ---------- LINK UTILI (sinistra) ---------- */
.cesi-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 24px;
    align-items: center;
}

.cesi-footer__links li {
    display: inline-flex;
    white-space: nowrap;
}

.cesi-footer__links a {
    color: #c8c8c8;
    text-decoration: none;
    font-size: .88rem;
    font-weight: 500;
    transition: color .18s ease;
    position: relative;
    padding-bottom: 2px;
    white-space: nowrap;
}

.cesi-footer__links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: #3ab2f3;
    transition: width .2s ease;
}

.cesi-footer__links a:hover {
    color: #3ab2f3;
}

.cesi-footer__links a:hover::after {
    width: 100%;
}

/* ---------- COPYRIGHT + INDIRIZZO (centro) ---------- */
.cesi-footer__copy {
    margin: 0;
    font-size: .85rem;
    color: #c8c8c8;
    line-height: 1.5;
}

.cesi-footer__copy strong {
    color: #ffffff;
    letter-spacing: .5px;
    font-weight: 700;
}

.cesi-footer__address {
    margin: 0;
    font-size: .78rem;
    color: #8a8f98;
    line-height: 1.5;
    letter-spacing: .3px;
}

.cesi-footer__piva {
    margin: 0;
    font-size: .75rem;
    color: #7a828c;
    line-height: 1.5;
    letter-spacing: .2px;
}

/* ---------- SOCIAL + CREDITS (destra) ---------- */
.cesi-footer__follow {
    display: block;
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: #7a828c;
    margin-bottom: 8px;
    font-weight: 600;
}

.cesi-footer__social {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.cesi-footer__social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .08);
    color: #c8c8c8;
    text-decoration: none;
    font-size: 1rem;
    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    border-radius: 0;
    flex-shrink: 0;
}

.cesi-footer__social-link:hover {
    transform: translateY(-2px);
    color: #ffffff;
}

.cesi-footer__social-link.is-facebook:hover {
    background: #1877f2;
    border-color: #1877f2;
}

.cesi-footer__social-link.is-instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: #dc2743;
}

.cesi-footer__social-link.is-linkedin:hover {
    background: #0a66c2;
    border-color: #0a66c2;
}

/* Credits */
.cesi-footer__credits {
    margin: 0;
    font-size: .72rem;
    color: #5c6470;
    line-height: 1.5;
    letter-spacing: .2px;
    text-align: right;
}

.cesi-footer__credits a {
    color: #7a828c;
    text-decoration: none;
    font-weight: 600;
    transition: color .18s ease;
    word-break: break-all;
}

.cesi-footer__credits a:hover {
    color: #3ab2f3;
    text-decoration: underline;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
    .cesi-footer__inner {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }

    .cesi-footer__col--left,
    .cesi-footer__col--center,
    .cesi-footer__col--right {
        align-items: center;
    }

    .cesi-footer__links {
        grid-template-columns: auto auto;
        justify-content: center;
    }

    .cesi-footer__social {
        justify-content: center;
    }

    .cesi-footer__credits {
        text-align: center;
    }
}

@media (max-width: 500px) {
    .cesi-footer {
        padding: 30px 16px;
    }

    .cesi-footer__links {
        gap: 6px 16px;
    }

    .cesi-footer__links a {
        font-size: .82rem;
    }

    .cesi-footer__copy {
        font-size: .8rem;
    }

    .cesi-footer__address {
        font-size: .74rem;
    }

    .cesi-footer__piva {
        font-size: .72rem;
    }

    .cesi-footer__social-link {
        width: 36px;
        height: 36px;
        font-size: .95rem;
    }

    .cesi-footer__credits {
        font-size: .68rem;
    }
}