/* Desktop/tablet refinements */
@media (max-width: 1199.98px) {
    .at-header-brand-row {
        padding: 1.35rem 0;
    }

    .hero-inner {
        gap: 1.1rem;
    }
}

/* Mobile header (<768px) */
@media (max-width: 767.98px) {
    .site-header {
        box-shadow: 0 4px 14px rgba(2, 6, 23, 0.08);
    }

    .at-top-bar {
        padding-top: 0.3rem !important;
        padding-bottom: 0.3rem !important;
    }

    .at-top-bar .container {
        min-height: 34px;
        display: flex;
        align-items: center;
        justify-content: space-between !important;
        gap: 0.5rem;
        padding-left: 10px;
        padding-right: 10px;
    }

    .at-top-left {
        gap: 0.25rem !important;
    }

    .at-top-right {
        margin-left: auto;
        gap: 0.45rem !important;
    }

    .at-top-left .at-top-link {
        width: 28px;
        height: 28px;
        border-radius: 999px;
        justify-content: center;
        background: rgba(11, 45, 91, 0.08);
        color: var(--primary-color);
    }

    .at-top-left .at-top-link .at-top-link-text,
    .at-top-right .at-top-link,
    .at-social-link--linkedin,
    .at-social-link--youtube {
        display: none;
    }

    .at-social-icons {
        gap: 0.45rem !important;
    }

    .at-social-link {
        width: 28px;
        height: 28px;
    }

    .at-main-header {
        padding-top: 0.45rem !important;
        padding-bottom: 0.4rem !important;
        border-bottom-color: rgba(11, 45, 91, 0.14);
    }

    .at-main-header .container,
    .at-nav-bar .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .at-header-brand-row {
        padding: 0.35rem 0;
        width: 100%;
    }

    .at-main-header .hero-section {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .hero-inner {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .hero-content.at-header-title-col {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        gap: 0.3rem;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 100%;
        box-sizing: border-box;
    }

    .school-logo.at-header-logo-col {
        width: auto;
        min-width: 0;
    }

    .hero-image.at-header-badge-col {
        display: none !important;
    }

    .school-logo.at-header-logo-col {
        width: 100% !important;
        min-width: 100% !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        align-self: center !important;
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }

    .school-logo.at-header-logo-col .at-logo-wrap {
        display: flex !important;
        width: auto !important;
        justify-content: center !important;
        align-items: center !important;
        margin-left: auto;
        margin-right: auto;
    }

    .school-logo.at-header-logo-col .at-logo-wrap .custom-logo-link {
        display: block !important;
        margin-left: auto;
        margin-right: auto;
        text-align: center !important;
        float: none !important;
    }

    .at-logo-wrap .custom-logo,
    .custom-logo {
        max-height: clamp(50px, 14vw, var(--at-logo-max-h-mobile, 68px));
    }

    .school-text.at-college-info {
        width: 100% !important;
        min-width: 100%;
        max-width: 100% !important;
        align-items: center;
        text-align: center;
        gap: 0.04rem;
        margin: 0;
        padding-left: 6px;
        padding-right: 6px;
        box-sizing: border-box;
    }

    .school-text.at-college-info.at-text-align-center {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .school-text.at-college-info.at-text-align-left {
        align-items: flex-start;
        text-align: left;
    }

    .school-text.at-college-info.at-text-align-center {
        align-items: center;
        text-align: center;
    }

    .school-text.at-college-info.at-text-align-right {
        align-items: flex-end;
        text-align: right;
    }

    .at-college-society {
        font-size: clamp(0.7rem, 2.6vw, 0.86rem);
        line-height: 1.22;
        margin-bottom: 0.12rem !important;
    }

    .at-college-title {
        font-size: clamp(1rem, 5.2vw, 1.34rem);
        line-height: 1.15;
        letter-spacing: 0.004em;
        margin-bottom: 0.1rem !important;
        text-wrap: balance;
        overflow-wrap: anywhere;
    }

    .at-college-affiliation,
    .at-college-statutory,
    .at-college-address,
    .at-college-details {
        font-size: clamp(0.74rem, 2.75vw, 0.88rem);
        line-height: 1.24;
        margin-bottom: 0.08rem !important;
    }

    .at-header-meta-row {
        display: none;
    }

    .at-nav-bar {
        position: sticky;
        top: 0;
        z-index: 1030;
        box-shadow: 0 5px 14px rgba(2, 6, 23, 0.16);
    }

    .at-nav-bar .container {
        min-height: 50px;
        display: flex;
        align-items: center;
        justify-content: flex-end;
    }

    .mobile-nav-toggle {
        margin: 0.25rem 0 !important;
    }

    .at-nav-bar .navbar-collapse {
        background: var(--primary-color);
        border-radius: 10px;
        margin-top: 0.45rem;
        padding: 0.45rem 0.3rem;
        box-shadow: 0 8px 22px rgba(2, 6, 23, 0.2);
    }

    .at-main-menu,
    .navbar-nav {
        justify-content: flex-start;
        gap: 0;
    }

    .at-main-menu > .menu-item > .nav-link {
        width: 100%;
        padding: 0.64rem 0.66rem;
        border-radius: 8px;
        font-size: 0.92rem;
        line-height: 1.2;
    }

    .at-main-menu .dropdown-menu {
        position: static;
        float: none;
        box-shadow: none;
        border-radius: 0;
        border-left: 2px solid rgba(255, 255, 255, 0.25);
        margin-left: 0.5rem;
    }

    .at-header-meta {
        font-size: 0.8rem;
    }

    .at-staff-table {
        min-width: 860px;
    }

    .at-staff-table td,
    .at-staff-table th {
        font-size: 0.88rem;
        padding: 0.45rem;
    }

    .at-profile-btn {
        min-width: 100px;
        font-size: 0.8rem;
        padding: 0.35rem 0.5rem;
    }

    .at-home-slider .carousel,
    .at-home-slider .carousel-inner,
    .at-home-slider__item,
    .at-home-slider__container {
        min-height: 460px;
    }

    .at-home-slider__container {
        padding: 4rem 1rem;
    }

    .at-home-slider__heading {
        font-size: clamp(1.9rem, 9vw, 2.75rem);
    }

    .at-home-slider__description {
        font-size: 0.98rem;
        line-height: 1.6;
    }

    .at-home-slider__control {
        width: 13%;
    }
}

/* Strict logo centering on mobile */
@media (max-width: 767.98px) {
    .at-main-header .hero-content.at-header-title-col {
        align-items: center !important;
    }

    .at-main-header .hero-content.at-header-title-col .school-logo.at-header-logo-col {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto 0.25rem !important;
        padding: 0 !important;
    }

    .at-main-header .hero-content.at-header-title-col .school-logo.at-header-logo-col .at-logo-wrap,
    .at-main-header .hero-content.at-header-title-col .school-logo.at-header-logo-col .custom-logo-link {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        margin: 0 auto !important;
        width: auto !important;
        float: none !important;
        text-align: center !important;
    }

    .at-main-header .hero-content.at-header-title-col .school-logo.at-header-logo-col .custom-logo {
        display: block !important;
        margin: 0 auto !important;
        float: none !important;
    }
}

@media (max-width: 425px) {
    .at-main-header {
        padding-top: 0.42rem !important;
        padding-bottom: 0.36rem !important;
    }
}

@media (max-width: 375px) {
    .at-top-left .at-top-link,
    .at-social-link {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 320px) {
    .at-main-header .container,
    .at-nav-bar .container,
    .at-top-bar .container {
        padding-left: 8px;
        padding-right: 8px;
    }

    .at-college-society {
        font-size: 0.68rem;
    }

    .at-college-title {
        font-size: 0.92rem;
    }

    .at-college-affiliation,
    .at-college-statutory,
    .at-college-address,
    .at-college-details {
        font-size: 0.76rem;
    }
}

@media (max-width: 991.98px) {
    .at-staff-table-wrap {
        padding: 0.25rem;
    }
}