/* AI Calabria — ricerca globale compatta nella testata. */
.nav-search-icon {
    position: relative;
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(16, 37, 63, .08);
    border-radius: 12px;
    color: var(--vision-ink, #10253f);
    background: rgba(16, 37, 63, .055);
    text-decoration: none;
    transition: transform .14s ease, color .14s ease, background .14s ease, box-shadow .14s ease;
}
.nav-search-icon:hover,
.nav-search-icon.is-active {
    color: var(--vision-blue, #2563eb);
    background: rgba(37, 99, 235, .12);
    box-shadow: 0 10px 24px rgba(37, 99, 235, .12);
    transform: translateY(-1px);
}
.nav-search-icon .icn { width: 19px; height: 19px; }
.nav-search-icon--mobile { display: none; }

@media (min-width: 1200px) {
    .site-header .nav-search-icon--mobile { display: none !important; }
    .site-header .nav-search-icon--desktop { display: inline-flex !important; }
}
@media (max-width: 1199.98px) {
    .site-header .nav-search-icon--desktop { display: none !important; }
    .site-header .nav-search-icon--mobile {
        display: inline-flex !important;
        width: 42px;
        height: 42px;
        min-width: 42px;
        min-height: 42px;
        margin: 0;
        border-radius: 999px;
    }
}
@media (max-width: 575.98px) {
    .site-header .nav-search-icon--mobile {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
    }
    .site-header .brand-lockup {
        max-width: calc(100% - 218px);
    }
}

/* Voci descrittive del menu Ricerca & Scienza. */
.site-header .nav-drop .dropdown-item > span {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: .08rem;
}
.site-header .nav-drop .dropdown-item > span strong {
    font: inherit;
    font-weight: 850;
}
.site-header .nav-drop .dropdown-item > span small {
    color: rgba(16, 37, 63, .58);
    font-size: .68rem;
    font-weight: 650;
    line-height: 1.25;
}
.site-header .nav-drop .dropdown-item.active > span small,
.site-header .nav-drop .dropdown-item:hover > span small {
    color: inherit;
    opacity: .72;
}
.site-header .nav-drop--science {
    min-width: 310px;
}
.site-header .nav-drop--science .dropdown-item {
    align-items: flex-start;
    gap: .7rem;
    padding-top: .72rem;
    padding-bottom: .72rem;
}
.site-header .nav-drop--science .dropdown-item .icn {
    margin-top: .14rem;
}
@media (max-width: 1199.98px) {
    .site-header .nav-drop--science { min-width: 0; }
}

/* Navigazione principale più compatta: spazio recuperato senza ridurre l’area cliccabile. */
@media (min-width: 1200px) {
    .site-header .nav-links {
        gap: 0 !important;
        padding: .2rem !important;
    }
    .site-header .nav-links .nav-link {
        padding: .46rem .66rem !important;
        font-size: .88rem;
    }
    .site-header .nav-links .nav-ico {
        margin-right: .28rem;
    }
    .site-header .nav-links .nav-chev {
        margin-left: .22rem;
    }
    .site-header .nav-actions {
        gap: .4rem;
    }
}