/**
 * Mzuzu University OJS Theme
 * Palette derived from the supplied MZUNI crest.
 *
 * Deep green  #006B3C  Accessible institutional anchor
 * Crest green #189E48  Dominant sampled green
 * Lime        #B9D133  Crest highlight/accent
 * Charcoal    #62615F  Crest grey
 * Silver      #DADADA  Crest light grey
 * Orange      #F59B42  Small crest accent; used sparingly
 */

:root {
    --mzuni-green-deep: #006B3C;
    --mzuni-green: #189E48;
    --mzuni-green-soft: #EAF6EE;
    --mzuni-lime: #B9D133;
    --mzuni-charcoal: #62615F;
    --mzuni-charcoal-dark: #343434;
    --mzuni-silver: #DADADA;
    --mzuni-orange: #F59B42;
    --mzuni-white: #FFFFFF;
    --mzuni-off-white: #F7F9F7;
    --mzuni-text: #252A27;
    --mzuni-muted: #667069;
    --mzuni-border: #DCE4DE;
    --mzuni-shadow: 0 8px 28px rgba(24, 50, 34, .08);
    --mzuni-radius: 10px;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--mzuni-text);
    background: var(--mzuni-off-white);
    line-height: 1.65;
}

body,
button,
input,
select,
textarea {
    font-family: "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a {
    color: var(--mzuni-green-deep);
    text-decoration-thickness: .08em;
    text-underline-offset: .15em;
}

a:hover,
a:focus {
    color: #004F2D;
}

/* ---------- Institutional header ---------- */
.pkp_structure_head {
    background: var(--mzuni-white);
    border: 0;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
}

.mzuni_utility_bar {
    background: var(--mzuni-charcoal-dark);
    color: var(--mzuni-white);
    font-size: .78rem;
    letter-spacing: .025em;
}

.mzuni_utility_inner {
    max-width: 1200px;
    min-height: 34px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.mzuni_utility_inner a {
    color: var(--mzuni-white);
    text-decoration: none;
}

.mzuni_utility_inner a:hover,
.mzuni_utility_inner a:focus {
    color: var(--mzuni-lime);
}

.mzuni_motto {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .09em;
}

.pkp_head_wrapper {
    max-width: 1200px;
    padding: 0 24px;
}

.mzuni_brand_row {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 130px;
    padding: 18px 0;
}

.mzuni_crest_link {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.mzuni_crest {
    width: auto;
    height: 96px;
    display: block;
}

.mzuni_brand_copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mzuni_university_name {
    color: var(--mzuni-charcoal-dark);
    font-weight: 800;
    font-size: .92rem;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.mzuni_platform_name {
    color: var(--mzuni-green-deep);
    font-weight: 800;
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    line-height: 1.16;
    letter-spacing: -.025em;
}

.mzuni_platform_tagline {
    color: var(--mzuni-muted);
    font-size: .93rem;
    font-weight: 600;
    letter-spacing: .04em;
}

.mzuni_context_logo {
    max-height: 64px;
    max-width: 460px;
    width: auto;
    margin-top: 6px;
}

/* Hide the stock site-name area; the MZUNI header provides the identity. */
.pkp_site_name_wrapper {
    min-height: 0;
    height: 0;
}

.pkp_site_name {
    display: none;
}

.pkp_site_nav_toggle {
    top: auto;
    bottom: 8px;
    right: 24px;
    z-index: 1001;
}

.pkp_site_nav_menu {
    background: var(--mzuni-green-deep);
    border-bottom: 5px solid var(--mzuni-lime);
}

.pkp_navigation_primary_row {
    max-width: 1200px;
    margin: 0 auto;
}

.pkp_navigation_primary_wrapper {
    padding-left: 24px;
    padding-right: 24px;
}

.pkp_navigation_primary > li > a,
.pkp_navigation_primary > li > a:link,
.pkp_navigation_primary > li > a:visited,
.pkp_navigation_search_wrapper a,
.pkp_navigation_search_wrapper a:link,
.pkp_navigation_search_wrapper a:visited {
    color: var(--mzuni-white);
    font-weight: 700;
}

.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li > a:focus,
.pkp_navigation_search_wrapper a:hover,
.pkp_navigation_search_wrapper a:focus {
    color: var(--mzuni-lime);
}

.pkp_navigation_primary > li > ul {
    border-top-color: var(--mzuni-lime);
}

.pkp_navigation_primary > li > ul a:hover,
.pkp_navigation_primary > li > ul a:focus {
    color: var(--mzuni-green-deep);
}

.pkp_navigation_user_wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    background: var(--mzuni-white);
}

.pkp_navigation_user > li > a {
    color: var(--mzuni-charcoal-dark);
}

/* ---------- Main layout ---------- */
.pkp_structure_content {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}

.pkp_structure_main {
    background: transparent;
}

.pkp_page_index .pkp_structure_main,
.pkp_page_index.pkp_op_index .pkp_structure_main {
    padding-top: 0;
}

.page_title,
.pkp_structure_main h1,
.pkp_structure_main h2,
.pkp_structure_main h3 {
    color: var(--mzuni-charcoal-dark);
}

.pkp_structure_main h1 {
    letter-spacing: -.02em;
}

/* ---------- Central site hero ---------- */
.mzuni_hero {
    position: relative;
    overflow: hidden;
    margin: 0 0 36px;
    padding: clamp(42px, 6vw, 78px) clamp(26px, 6vw, 72px);
    background: var(--mzuni-green-deep);
    color: var(--mzuni-white);
    border-radius: 0 0 var(--mzuni-radius) var(--mzuni-radius);
}

.mzuni_hero::after {
    content: "";
    position: absolute;
    right: -90px;
    bottom: -125px;
    width: 320px;
    height: 320px;
    border: 44px solid rgba(185, 209, 51, .18);
    border-radius: 50%;
}

.mzuni_hero_kicker {
    position: relative;
    z-index: 1;
    margin: 0 0 8px;
    color: var(--mzuni-lime);
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.mzuni_hero h1 {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0;
    color: var(--mzuni-white);
    font-size: clamp(2rem, 5vw, 3.8rem);
    line-height: 1.05;
    letter-spacing: -.04em;
}

.mzuni_hero p {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 20px 0 0;
    font-size: clamp(1rem, 1.7vw, 1.17rem);
    color: rgba(255, 255, 255, .92);
}

.mzuni_hero_actions {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.mzuni_btn {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 18px;
    border-radius: 6px;
    font-weight: 800;
    text-decoration: none;
}

.mzuni_btn_primary {
    background: var(--mzuni-lime);
    color: #18200C;
}

.mzuni_btn_primary:hover,
.mzuni_btn_primary:focus {
    background: #C9DE55;
    color: #111;
}

.mzuni_btn_secondary {
    border: 1px solid rgba(255,255,255,.62);
    color: var(--mzuni-white);
}

.mzuni_btn_secondary:hover,
.mzuni_btn_secondary:focus {
    border-color: var(--mzuni-white);
    background: rgba(255,255,255,.08);
    color: var(--mzuni-white);
}

/* ---------- Site journal directory ---------- */
.page_index_site .about_site {
    margin: 0 0 36px;
    padding: 24px 28px;
    border-left: 5px solid var(--mzuni-green);
    background: var(--mzuni-white);
    border-radius: 0 var(--mzuni-radius) var(--mzuni-radius) 0;
    box-shadow: var(--mzuni-shadow);
}

.page_index_site .journals {
    margin-top: 28px;
}

.page_index_site .journals > h2 {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    color: var(--mzuni-green-deep);
    font-size: 1.65rem;
}

.page_index_site .journals > h2::after {
    content: "";
    height: 3px;
    flex: 1;
    background: var(--mzuni-lime);
    opacity: .8;
}

.page_index_site .journals > ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin: 0;
}

.page_index_site .journals > ul > li {
    margin: 0;
    padding: 24px;
    background: var(--mzuni-white);
    border: 1px solid var(--mzuni-border);
    border-top: 4px solid var(--mzuni-green);
    border-radius: var(--mzuni-radius);
    box-shadow: var(--mzuni-shadow);
}

.page_index_site .journals .thumb img {
    border-radius: 6px;
}

.page_index_site .journals h3 {
    margin-top: 0;
    font-size: 1.25rem;
}

.page_index_site .journals h3 a {
    color: var(--mzuni-green-deep);
}

.page_index_site .journals .links a {
    display: inline-block;
    padding: 6px 10px;
    border: 1px solid var(--mzuni-border);
    border-radius: 5px;
    font-weight: 700;
    text-decoration: none;
}

.page_index_site .journals .links a:hover,
.page_index_site .journals .links a:focus {
    border-color: var(--mzuni-green);
    background: var(--mzuni-green-soft);
}

/* ---------- Journal and article presentation ---------- */
.page_index_journal .homepage_image img,
.obj_issue_toc .cover img,
.obj_issue_summary .cover img {
    border-radius: 7px;
    box-shadow: 0 5px 20px rgba(0,0,0,.09);
}

.page_index_journal .current_issue h2,
.obj_issue_toc .heading {
    border-bottom-color: var(--mzuni-lime);
}

.obj_article_summary {
    border-bottom-color: var(--mzuni-border);
}

.obj_article_summary .title a,
.obj_issue_summary .title a {
    color: var(--mzuni-green-deep);
}

.obj_galley_link,
.cmp_button,
.pkp_button,
button.submit,
input[type="submit"] {
    border-color: var(--mzuni-green-deep);
    background: var(--mzuni-green-deep);
    color: var(--mzuni-white);
    border-radius: 5px;
}

.obj_galley_link:hover,
.obj_galley_link:focus,
.cmp_button:hover,
.cmp_button:focus,
.pkp_button:hover,
.pkp_button:focus,
button.submit:hover,
button.submit:focus,
input[type="submit"]:hover,
input[type="submit"]:focus {
    background: #004F2D;
    border-color: #004F2D;
    color: var(--mzuni-white);
}

.cmp_notification {
    border-left-color: var(--mzuni-green);
}

/* ---------- Sidebar ---------- */
.pkp_structure_sidebar .pkp_block {
    padding: 20px;
    background: var(--mzuni-white);
    border: 1px solid var(--mzuni-border);
    border-radius: var(--mzuni-radius);
    box-shadow: 0 4px 18px rgba(24, 50, 34, .05);
}

.pkp_structure_sidebar .title {
    color: var(--mzuni-green-deep);
    font-weight: 800;
}

/* ---------- Footer ---------- */
.pkp_structure_footer_wrapper {
    margin-top: 56px;
    background: var(--mzuni-charcoal-dark);
    border-top: 6px solid var(--mzuni-green);
}

.pkp_structure_footer {
    max-width: 1200px;
    padding: 0 24px;
    color: rgba(255,255,255,.9);
}

.mzuni_footer_grid {
    display: grid;
    grid-template-columns: 130px minmax(0, 1.3fr) minmax(220px, .7fr);
    gap: 28px;
    align-items: start;
    padding: 34px 0 22px;
}

.mzuni_footer_logo {
    width: 118px;
    height: auto;
}

.mzuni_footer_title {
    margin: 0 0 6px;
    color: var(--mzuni-white);
    font-size: 1.25rem;
    font-weight: 800;
}

.mzuni_footer_text {
    margin: 0 0 12px;
    color: rgba(255,255,255,.82);
}

.mzuni_footer_motto {
    color: var(--mzuni-lime);
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.mzuni_footer_links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pkp_structure_footer a,
.mzuni_footer_links a {
    color: var(--mzuni-white);
}

.pkp_structure_footer a:hover,
.pkp_structure_footer a:focus,
.mzuni_footer_links a:hover,
.mzuni_footer_links a:focus {
    color: var(--mzuni-lime);
}

.pkp_footer_content {
    margin: 0;
    padding: 18px 0 0;
    border-top: 1px solid rgba(255,255,255,.14);
}

.mzuni_footer_bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    padding: 18px 0 26px;
    border-top: 1px solid rgba(255,255,255,.14);
    color: rgba(255,255,255,.72);
    font-size: .82rem;
}

.pkp_brand_footer {
    padding: 0;
}

.pkp_brand_footer img {
    max-height: 42px;
    width: auto;
    filter: grayscale(1) brightness(2.2);
    opacity: .78;
}

/* ---------- Accessibility ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--mzuni-lime);
    outline-offset: 3px;
}

::selection {
    background: var(--mzuni-lime);
    color: #111;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .mzuni_brand_row {
        min-height: 112px;
    }

    .mzuni_crest {
        height: 82px;
    }

    .page_index_site .journals > ul {
        grid-template-columns: 1fr;
    }

    .mzuni_footer_grid {
        grid-template-columns: 105px 1fr;
    }

    .mzuni_footer_links {
        grid-column: 2;
    }
}

@media (max-width: 767px) {
    .mzuni_utility_inner {
        padding: 7px 18px;
    }

    .mzuni_utility_inner > :first-child {
        display: none;
    }

    .mzuni_utility_inner {
        justify-content: flex-end;
    }

    .pkp_head_wrapper {
        padding: 0 18px;
    }

    .mzuni_brand_row {
        min-height: 100px;
        padding: 14px 0;
        gap: 12px;
        padding-right: 52px;
    }

    .mzuni_crest {
        height: 70px;
    }

    .mzuni_university_name {
        font-size: .7rem;
        letter-spacing: .09em;
    }

    .mzuni_platform_name {
        font-size: 1.25rem;
    }

    .mzuni_platform_tagline,
    .mzuni_context_logo {
        display: none;
    }

    .pkp_site_nav_toggle {
        display: block;
        bottom: 26px;
        right: 16px;
        background: var(--mzuni-green-deep);
        border-radius: 4px;
    }

    .pkp_site_nav_menu {
        border-bottom-width: 4px;
    }

    .pkp_navigation_primary_wrapper,
    .pkp_navigation_user_wrapper,
    .pkp_structure_content,
    .pkp_structure_footer {
        padding-left: 18px;
        padding-right: 18px;
    }

    .mzuni_hero {
        margin-left: -18px;
        margin-right: -18px;
        border-radius: 0;
    }

    .mzuni_footer_grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .mzuni_footer_logo {
        margin: 0 auto;
    }

    .mzuni_footer_links {
        grid-column: auto;
        align-items: center;
    }

    .mzuni_footer_bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .mzuni_crest {
        height: 60px;
    }

    .mzuni_platform_name {
        font-size: 1.08rem;
    }

    .mzuni_hero {
        padding: 38px 22px;
    }
}

/* Keep the mobile menu toggle aligned to the right edge of the brand row. */
.pkp_site_nav_toggle {
    left: auto;
}