/* ==========================================================
   IB-S Global Footer — v1.0.0
   ========================================================== */

.ibs-footer {
    width: 100%;
    background: #071a0d;
    color: rgba(255,255,255,0.55);
    font-family: inherit;
}

/* --- BODY (4 columns) --- */
.ibs-footer__body {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
    gap: 48px;
    padding: 72px 8vw 64px;
    box-sizing: border-box;
    width: 100%;
}

/* --- BRAND COL --- */
.ibs-footer__logo {
    display: inline-block;
    margin-bottom: 20px;
}
.ibs-footer__logo img {
    height: 40px;
    width: auto;
    opacity: 0.92;
}
.ibs-footer__tagline {
    font-size: 0.88rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.45);
    margin: 0 0 8px;
    max-width: 220px;
}
.ibs-footer__university {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #3dba72;
    font-weight: 600;
    margin: 0;
}

/* --- COLUMN TITLES --- */
.ibs-footer__col-title {
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #3dba72;
    font-weight: 700;
    margin: 0 0 20px;
    padding: 0;
}

/* --- NAV LINKS --- */
.ibs-footer__nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ibs-footer__nav a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.50);
    text-decoration: none;
    line-height: 1.4;
    transition: color 0.2s;
}
.ibs-footer__nav a:hover {
    color: #fff;
}

/* --- ADDRESS --- */
.ibs-footer__address {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.ibs-footer__address span {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.45);
    line-height: 1.5;
}
.ibs-footer__address-sep {
    display: block;
    height: 10px;
}
.ibs-footer__contact-link {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    transition: color 0.2s;
}
.ibs-footer__contact-link:hover {
    color: #3dba72;
}

/* --- DIVIDER --- */
.ibs-footer__divider {
    width: calc(100% - 16vw);
    margin: 0 8vw;
    height: 1px;
    background: rgba(255,255,255,0.06);
}

/* --- BOTTOM BAR --- */
.ibs-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 8vw 28px;
    box-sizing: border-box;
    width: 100%;
    gap: 20px;
    flex-wrap: wrap;
}
.ibs-footer__copy {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.28);
    letter-spacing: 0.02em;
}
.ibs-footer__bottom-links {
    display: flex;
    gap: 24px;
}
.ibs-footer__bottom-links a {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.28);
    text-decoration: none;
    transition: color 0.2s;
}
.ibs-footer__bottom-links a:hover {
    color: rgba(255,255,255,0.65);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .ibs-footer__body {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 56px 6vw 48px;
    }
    .ibs-footer__col--brand {
        grid-column: 1 / -1;
    }
}
@media (max-width: 600px) {
    .ibs-footer__body {
        grid-template-columns: 1fr;
        gap: 36px;
        padding: 48px 6vw 40px;
    }
    .ibs-footer__col--brand { grid-column: 1; }
    .ibs-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 6vw 24px;
    }
    .ibs-footer__divider { width: calc(100% - 12vw); margin: 0 6vw; }
}