/* ===========================
   DOI Portal - Public Theme
   Design System: doi.rs brand
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;500;600;700;800&display=swap');

:root {
    /* Brand */
    --color-primary:        #5cb46a;
    --color-primary-light:  #68cc6c;
    --color-dark:           #033333;
    --color-darker:         #062727;

    /* Gradients — doi.rs signature (green -> teal @ 305deg, flips + brightens on hover) */
    --brand-gradient:        linear-gradient(305deg, #5cb46a 0%, #033333 100%);
    --brand-gradient-hover:  linear-gradient(305deg, #033333 0%, #5cb46a 100%);
    --brand-gradient-soft:   linear-gradient(135deg, #033333 0%, #0a4a4a 55%, #5cb46a 135%);
    --brand-gradient-diag:   linear-gradient(129deg, #033333 0%, #5cb46a 100%);
    --brand-gradient-text:   linear-gradient(115deg, #68cc6c 0%, #2f9d57 42%, #033333 130%);
    --brand-glow:            0 10px 30px -8px rgba(92, 180, 106, 0.45);

    /* Text */
    --color-text-primary:   #212121;
    --color-text-secondary: #728383;
    --color-text-on-dark:   #ffffff;
    --color-text-muted-dark: rgba(255, 255, 255, 0.6);

    /* Surfaces */
    --color-surface-base:   #f9f9ff;
    --color-surface-card:   #ffffff;

    /* Borders */
    --color-border:         #e2e8f0;
    --color-border-subtle:  #ededed;

    /* Bootstrap override */
    --bs-primary:           #5cb46a;
    --bs-primary-rgb:       92, 180, 106;
    --bs-link-color:        #5cb46a;
    --bs-link-hover-color:  #68cc6c;
    --bs-body-bg:           #f9f9ff;

    /* Legacy aliases for existing classes */
    --portal-primary: #033333;
    --portal-secondary: #5cb46a;
    --portal-secondary-hover: #68cc6c;
    --portal-text: #212121;
    --portal-text-muted: #728383;
    --portal-bg: #ffffff;
    --portal-bg-secondary: #f9f9ff;
    --portal-border: #e2e8f0;
}

/* ===========================
   Global Typography
   =========================== */

body {
    font-family: 'Raleway', system-ui, -apple-system, sans-serif;
    font-size: 17px;
    line-height: 1.63;
    color: var(--color-text-primary);
    background-color: var(--color-surface-base);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Raleway', system-ui, -apple-system, sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-dark);
}

/* Bare heading scale — doi.rs proportions (utility .hN classes still win where set) */
h1 { font-size: clamp(2.2rem, 4vw, 3.25rem); line-height: 1.1; }
h2 { font-size: clamp(1.75rem, 2.8vw, 2.35rem); line-height: 1.2; }
h3 { font-size: clamp(1.35rem, 1.8vw, 1.6rem); line-height: 1.35; }

/* Wider container (doi.rs ~1310px) on large screens */
@media (min-width: 1200px) {
    .portal-topbar > .container,
    .portal-header .navbar > .container,
    main.portal-content > .container,
    .portal-breadcrumb .container,
    .portal-footer .container,
    .portal-footer-bottom > .container {
        max-width: 1300px;
    }
}

/* Roomier vertical rhythm on large screens */
@media (min-width: 992px) {
    .portal-content.py-4 {
        padding-top: 2.75rem !important;
        padding-bottom: 3.5rem !important;
    }
}

/* ===========================
   Layout
   =========================== */

.portal-content {
    flex: 1 0 auto;
}

.portal-footer {
    flex-shrink: 0;
}

/* ===========================
   Navbar
   =========================== */

.portal-header {
    background-color: var(--color-dark) !important;
    border-bottom: 3px solid var(--color-primary);
    transition: box-shadow 0.3s ease;
}

.portal-header.scrolled {
    box-shadow: 0 2px 16px rgba(3, 51, 51, 0.18);
}

.portal-header .navbar-brand {
    font-weight: 700;
    color: var(--color-text-on-dark) !important;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.portal-header .navbar-brand:hover {
    color: var(--color-text-on-dark) !important;
}

.portal-header .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    font-size: 1.13rem;
    padding: 0.5rem 1.15rem !important;
    transition: color 0.2s ease;
}

/* Larger spacing between menu items (desktop) + vertical-centered CTA */
@media (min-width: 992px) {
    .portal-header .navbar-nav {
        align-items: center;
        gap: 0.55rem;
    }
}

.portal-header .nav-link:hover,
.portal-header .nav-link.active {
    color: var(--color-text-on-dark) !important;
}

.portal-header .nav-link.active {
    position: relative;
}

/* Active underline uses ::before so it never collides with the Bootstrap
   dropdown caret (which lives on ::after of the same .dropdown-toggle). */
.portal-header .nav-link.active::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
}

/* Remove the grey tap-highlight rectangle on mobile when tapping nav items */
.portal-header .nav-link,
.portal-header .navbar-cta,
.portal-header .navbar-brand,
.portal-header .dropdown-item,
.portal-header .navbar-toggler,
.portal-header .nav-link *,
.portal-header .dropdown-toggle {
    -webkit-tap-highlight-color: transparent;
}

/* In the collapsed mobile menu, tapping a link must not show an outline/box */
@media (max-width: 991.98px) {
    .portal-header .navbar-collapse .nav-link,
    .portal-header .navbar-collapse .dropdown-item,
    .portal-header .navbar-cta {
        -webkit-tap-highlight-color: transparent;
    }
    .portal-header .navbar-collapse .nav-link:focus,
    .portal-header .navbar-collapse .nav-link:focus-visible,
    .portal-header .navbar-collapse .nav-link:active,
    .portal-header .navbar-collapse .dropdown-item:focus,
    .portal-header .navbar-collapse .dropdown-item:active,
    .portal-header .navbar-cta:focus,
    .portal-header .navbar-cta:focus-visible,
    .portal-header .navbar-cta:active {
        outline: none !important;
        box-shadow: none !important;
    }
    /* the active underline bar reads as a stray rectangle in the vertical
       collapsed menu — hide it there, the color already marks the active item */
    .portal-header .navbar-collapse .nav-link.active::before {
        display: none;
    }
}

/* Hamburger icon - white */
.portal-header .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    padding: 0.4rem 0.65rem;
}

.portal-header .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.portal-header .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(92, 180, 106, 0.4);
}

/* ===========================
   Breadcrumbs
   =========================== */

.portal-breadcrumb {
    background-color: var(--color-surface-base);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--color-text-secondary);
}

/* ===========================
   Hero Section
   =========================== */

.hero-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, #0a4a4a 60%, var(--color-primary) 100%) !important;
    border-radius: 12px !important;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(92, 180, 106, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section h1 {
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: 2.75rem;
}

.hero-section .lead {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
    font-size: 1.15rem;
}

.hero-section .form-control {
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px 0 0 8px;
    font-size: 1rem;
    padding: 0.75rem 1.25rem;
}

.hero-section .form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(92, 180, 106, 0.3);
    border-color: var(--color-primary);
    background: #fff;
}

.hero-section .form-control::placeholder {
    color: var(--placeholder-color, #a3b1b1);
    font-style: italic;
    font-size: 0.94rem;
}

.hero-section .btn-search {
    background: var(--brand-gradient);
    border: none;
    color: #fff;
    border-radius: 0 10px 10px 0;
    font-weight: 600;
    filter: brightness(100%);
    transition: filter 0.4s ease, background 0.4s ease;
}

.hero-section .btn-search:hover,
.hero-section .btn-search:focus-visible {
    background: var(--brand-gradient-hover);
    filter: brightness(120%);
    color: #fff;
}

/* ===========================
   Section Headers
   =========================== */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-title {
    color: var(--color-dark);
    font-weight: 700;
    font-size: clamp(1.7rem, 2.6vw, 2.3rem);
    line-height: 1.18;
}

.section-subtitle {
    color: var(--color-dark);
    font-weight: 700;
    font-size: clamp(1.5rem, 2.4vw, 2.15rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

/* ===========================
   Cards - Global
   =========================== */

.stat-card,
.publication-card,
.quick-link-card,
.publisher-card {
    background: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 0 40px 4px rgba(3, 51, 51, 0.04);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.stat-card:hover,
.publication-card:hover,
.quick-link-card:hover,
.publisher-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 18px 42px -14px rgba(3, 51, 51, 0.22);
    transform: translateY(-5px);
}

.stat-card:focus-within,
.publication-card:focus-within,
.quick-link-card:focus-within,
.publisher-card:focus-within {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===========================
   Stat Cards
   =========================== */

.stat-card .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.stat-card .stat-icon-publications {
    background: rgba(92, 180, 106, 0.12);
    color: var(--color-primary);
}

.stat-card .stat-icon-articles {
    background: rgba(3, 51, 51, 0.08);
    color: var(--color-dark);
}

.stat-card .stat-icon-publishers {
    background: rgba(92, 180, 106, 0.12);
    color: var(--color-primary);
}

.stat-card .stat-number {
    font-size: clamp(2.75rem, 6vw, 4.75rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    background: var(--brand-gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: inline-block;
}

.stat-card .stat-label {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

/* ===========================
   Publication Cards
   =========================== */

.publication-card {
    overflow: hidden;
}

.publication-card .card-img-top {
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--color-border-subtle);
}

.publication-card .card-img-placeholder {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface-base);
    border-bottom: 1px solid var(--color-border-subtle);
}

.publication-card .card-img-placeholder i {
    color: var(--color-text-secondary);
    opacity: 0.4;
}

.publication-card .card-body {
    padding: 1.25rem;
}

.publication-card .card-title {
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.publication-card .card-title a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.publication-card .card-title a:hover {
    color: var(--color-primary);
}

.publication-card .card-text {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

/* ===========================
   Publication Card — Horizontal (homepage: 1/3 cover + 2/3 info)
   =========================== */

.publication-card-h {
    overflow: hidden;
}

.publication-card-h .pub-card-h-link {
    display: flex;
    align-items: stretch;
    text-decoration: none;
    height: 100%;
    min-height: 168px;
}

.pub-card-h-cover {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(150deg, var(--color-dark) 0%, #0a4a4a 70%, var(--color-primary) 160%);
    border-right: 1px solid var(--color-border-subtle);
}

.pub-card-h-cover img.pub-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pub-card-h-cover img.pub-logo-img {
    max-width: 78%;
    max-height: 70%;
    object-fit: contain;
    background: #fff;
    padding: 0.5rem;
    border-radius: 8px;
}

.pub-card-h-cover .pub-cover-icon {
    color: #fff;
    font-size: 2.4rem;
    opacity: 0.92;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.25));
}

.pub-card-h-body {
    flex: 1 1 66.667%;
    padding: 1.15rem 1.3rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.pub-card-h-title {
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-dark);
    margin: 0.15rem 0 0.1rem;
    transition: color 0.2s ease;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.publication-card-h:hover .pub-card-h-title {
    color: var(--color-primary);
}

.pub-card-h-publisher {
    font-size: 0.86rem;
    color: var(--color-text-secondary);
    margin: 0;
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.pub-card-h-publisher i { color: var(--color-primary); }

@media (max-width: 419.98px) {
    .publication-card-h .pub-card-h-link { min-height: 130px; }
    .pub-card-h-cover .pub-cover-icon { font-size: 1.8rem; }
    .pub-card-h-title { font-size: 0.95rem; -webkit-line-clamp: 2; }
}

/* Type badges */
.badge-type {
    background-color: var(--color-dark);
    color: #fff;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 3px 10px;
}

.badge-access {
    background-color: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 3px 10px;
}

/* ===========================
   Quick Link Cards
   =========================== */

.quick-link-card .card-body {
    padding: 1.75rem;
}

.quick-link-card .quick-link-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(92, 180, 106, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-primary);
    margin: 0 auto 0.75rem;
    transition: background 0.2s ease;
}

.quick-link-card:hover .quick-link-icon {
    background: rgba(92, 180, 106, 0.2);
}

.quick-link-card h3 {
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===========================
   Section Link (Show All)
   =========================== */

.section-link {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.section-link:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

/* ===========================
   Info Cards (metadata tables)
   =========================== */

.info-card-heading {
    border-left: 3px solid var(--color-primary);
    padding-left: 10px;
    color: var(--color-dark);
    font-weight: 600;
}

/* ===========================
   Filter Sidebar
   =========================== */

.filter-sidebar-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    position: sticky;
    top: 80px;
}

.filter-sidebar-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.filter-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
    display: block;
}

.filter-divider {
    height: 1px;
    background: var(--color-border-subtle);
    margin: 0.75rem 0;
}

.filter-sidebar-card .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-sidebar-card .form-check-label {
    font-size: 0.875rem;
    color: var(--color-text-primary);
}

.filter-sidebar-card .form-control {
    border-color: var(--color-border);
    font-size: 0.9rem;
}

.filter-sidebar-card .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(92, 180, 106, 0.2);
}

/* ===========================
   Detail Meta Cards
   =========================== */

.detail-meta-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.detail-meta-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.detail-meta-row {
    display: flex;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.detail-meta-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-meta-row:first-child {
    padding-top: 0;
}

.detail-meta-row dt {
    font-weight: 600;
    color: var(--color-text-primary);
    min-width: 140px;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.detail-meta-row dd {
    color: var(--color-text-secondary);
    margin-bottom: 0;
    font-size: 0.9rem;
}

.detail-meta-row dd a {
    color: var(--color-primary);
    word-break: break-all;
}

.detail-meta-row dd a:hover {
    color: var(--color-primary-light);
}

/* ===========================
   Publication Detail
   =========================== */

.pub-detail-cover {
    max-height: 300px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.pub-detail-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.text-muted-custom {
    color: var(--color-text-secondary);
    font-style: italic;
}

/* ===========================
   Issue List (on publication detail)
   =========================== */

.issue-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.issue-list-item {
    display: block;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--color-border-subtle);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: background-color 0.15s ease;
}

.issue-list-item:last-child {
    border-bottom: none;
}

.issue-list-item:hover {
    background-color: rgba(92, 180, 106, 0.06);
    color: var(--color-text-primary);
}

.issue-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 8px;
    background: rgba(92, 180, 106, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1rem;
}

.issue-thumb {
    max-height: 40px;
    width: auto;
    border-radius: 4px;
}

.issue-label {
    color: var(--color-dark);
    font-size: 0.95rem;
}

.issue-title {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.issue-date {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
}

.issue-article-count {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
}

/* ===========================
   Issue Detail
   =========================== */

.issue-volume-label {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.issue-date-inline {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.issue-doi-box {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.issue-doi-box a {
    color: var(--color-primary);
}

/* ===========================
   Article List (on issue detail)
   =========================== */

.article-list {
    display: flex;
    flex-direction: column;
}

.article-list-item {
    display: block;
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin-bottom: 0.75rem;
    text-decoration: none;
    color: var(--color-text-primary);
    background: var(--color-surface-card);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.article-list-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(92, 180, 106, 0.12);
    color: var(--color-text-primary);
}

.article-list-content {
    min-width: 0;
}

.article-list-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.article-list-alt-title {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: 0.25rem;
}

.article-list-authors {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.article-list-pages {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* ===========================
   Back Button
   =========================== */

.btn-back {
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-back:hover {
    color: var(--color-dark);
    border-color: var(--color-primary);
    background: rgba(92, 180, 106, 0.06);
}

/* ===========================
   Sidebar Cards
   =========================== */

.sidebar-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.sidebar-card .card-body {
    padding: 1.25rem;
}

.sidebar-card-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.75rem;
}

.sidebar-cover-img {
    max-height: 200px;
    border-radius: 6px;
}

.sidebar-publisher-logo {
    max-height: 60px;
}

.sidebar-external-link {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.sidebar-external-link:hover {
    color: var(--color-primary);
}

/* ===========================
   About Page
   =========================== */

.about-lead {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    line-height: 1.7;
    font-weight: 500;
}

.about-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.services-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(92, 180, 106, 0.1);
}

.service-item strong {
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.95rem;
    display: block;
    margin-bottom: 0.25rem;
}

.service-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    background: rgba(92, 180, 106, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.1rem;
}

.about-sidebar-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.about-sidebar-list li:last-child {
    margin-bottom: 0;
}

.about-sidebar-list a {
    color: var(--color-primary);
    text-decoration: none;
}

.about-sidebar-list a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

.doi-info-card {
    background: var(--color-surface-base);
}

/* ===========================
   Contact Page
   =========================== */

.contact-label {
    font-weight: 600;
    color: var(--color-dark);
    font-size: 0.875rem;
}

.btn-contact {
    padding: 0.75rem 1.9rem;
    font-weight: 600;
    border-radius: 50px;
}

.portal-content .form-control {
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: 0.6rem 0.875rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.portal-content .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(92, 180, 106, 0.2);
}

.portal-content .form-control::placeholder {
    color: var(--placeholder-color, #a3b1b1);
    font-style: italic;
}

/* ===========================
   Article Detail
   =========================== */

.article-alt-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.article-alt-subtitle {
    color: var(--color-text-secondary);
}

.author-card {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: var(--color-surface-base);
    border: 1px solid var(--color-border-subtle);
}

.author-avatar {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background: var(--color-dark);
    color: var(--color-text-on-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.author-name {
    font-weight: 600;
    color: var(--color-dark);
    font-size: 0.95rem;
}

.author-affiliation {
    color: var(--color-text-secondary);
    font-size: 0.82rem;
    margin-top: 0.15rem;
}

.abstract-content {
    padding: 1.25rem;
    background: var(--color-surface-base);
    border-radius: 8px;
    border: 1px solid var(--color-border-subtle);
    line-height: 1.7;
    color: var(--color-text-primary);
}

.abstract-content p:last-child {
    margin-bottom: 0;
}

.funding-item {
    font-size: 0.9rem;
}

/* ===========================
   Pagination
   =========================== */

.pagination .page-link {
    color: var(--color-primary);
    border-color: var(--color-border);
    font-size: 0.9rem;
}

.pagination .page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.pagination .page-link:hover {
    background-color: rgba(92, 180, 106, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ===========================
   Publisher Cards
   =========================== */

.publisher-card {
    overflow: hidden;
}

.publisher-card .card-title {
    font-weight: 600;
    line-height: 1.4;
}

.publisher-card .card-title a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.publisher-card .card-title a:hover {
    color: var(--color-primary);
}

.publisher-card .card-text {
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.publisher-card .card-img-placeholder {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-surface-base) 0%, #eef3f3 100%);
    border-bottom: 1px solid var(--color-border-subtle);
}

.publisher-card .card-img-placeholder i {
    font-size: 2.75rem;
    color: var(--color-text-secondary);
    opacity: 0.35;
}

.publisher-logo-wrap {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface-base);
    border-bottom: 1px solid var(--color-border-subtle);
}

.publisher-card .card-img-top {
    height: 140px;
    object-fit: contain;
    padding: 1.25rem;
}

.publisher-card .card-footer {
    border-top: 1px solid var(--color-border-subtle);
    padding: 0.75rem 1.25rem;
}

.publisher-card .doi-prefix-badge {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
}

/* ===========================
   Publisher Detail
   =========================== */

.publisher-detail-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
}

.publisher-detail-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-color: var(--color-surface-base);
    border-bottom: 1px solid var(--color-border-subtle);
}

.publisher-detail-card .card-img-top {
    max-height: 200px;
    object-fit: contain;
}

.publisher-detail-card .card-body {
    padding: 1.5rem;
}

.publisher-detail-name {
    color: var(--color-dark);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.publisher-detail-description {
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.publisher-detail-divider {
    height: 1px;
    background: var(--color-border-subtle);
    margin: 1.25rem 0;
}

.publisher-detail-section-heading {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.publisher-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.publisher-info-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 8px;
    background: rgba(92, 180, 106, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 0.85rem;
}

.publisher-info-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.1rem;
}

.publisher-info-value {
    color: var(--color-text-primary);
}

.publisher-info-list a {
    color: var(--color-primary);
    text-decoration: none;
    word-break: break-all;
}

.publisher-info-list a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

.publisher-pub-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(92, 180, 106, 0.12);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.9rem;
}

/* ===========================
   Empty States
   =========================== */

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state i {
    font-size: 4rem;
    color: var(--color-text-secondary);
    opacity: 0.4;
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-top: 1rem;
}

/* ===========================
   Footer
   =========================== */

.portal-footer {
    background-color: var(--color-dark) !important;
    border-top: 3px solid var(--color-primary);
}

.portal-footer h5 {
    font-weight: 700;
    color: var(--color-text-on-dark);
}

.portal-footer .footer-description {
    color: var(--color-text-muted-dark);
    font-size: 0.9rem;
    line-height: 1.6;
}

.portal-footer .footer-copyright {
    color: var(--color-text-muted-dark);
    font-size: 0.9rem;
}

.portal-footer a {
    color: rgba(255, 255, 255, 0.8) !important;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.portal-footer a:hover {
    color: var(--color-primary) !important;
}

/* ===========================
   Global Link Overrides
   =========================== */

.portal-content .text-primary {
    color: var(--color-primary) !important;
}

/* Primary buttons -> doi.rs gradient pill (flips + brightens on hover) */
.portal-content .btn-primary,
.btn-doi {
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--brand-gradient);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.7rem 1.6rem;
    filter: brightness(100%);
    box-shadow: var(--brand-glow);
    transition: background 0.4s ease, filter 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

.portal-content .btn-primary:hover,
.portal-content .btn-primary:focus-visible,
.btn-doi:hover,
.btn-doi:focus-visible {
    background: var(--brand-gradient-hover);
    color: #fff;
    filter: brightness(120%);
    transform: translateY(-2px);
    box-shadow: 0 14px 34px -8px rgba(92, 180, 106, 0.55);
}

.portal-content .btn-primary:active,
.btn-doi:active {
    transform: translateY(0);
    filter: brightness(108%);
}

/* Secondary / outline -> flat green that fills to teal on hover (doi.rs style1) */
.portal-content .btn-outline-primary,
.btn-doi-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-primary);
    background: transparent;
    border: 2px solid var(--color-primary);
    border-radius: 50px;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    transition: all 0.3s ease;
}

.portal-content .btn-outline-primary:hover,
.portal-content .btn-outline-primary:focus-visible,
.btn-doi-outline:hover,
.btn-doi-outline:focus-visible {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: var(--brand-glow);
}

.portal-content a:not(.btn):not(.nav-link):not(.navbar-brand):not(.breadcrumb-item a):not(.list-group-item) {
    color: var(--color-primary);
}

.portal-content a:not(.btn):not(.nav-link):not(.navbar-brand):not(.breadcrumb-item a):not(.list-group-item):hover {
    color: var(--color-primary-light);
}

.portal-content .badge.bg-secondary {
    background-color: var(--color-dark) !important;
}

/* ===========================
   DOI Prefix Badge
   =========================== */

.doi-prefix-badge {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ===========================
   Search Results (Story 4.2)
   =========================== */

.search-results .card {
    transition: box-shadow 0.2s ease;
    border-radius: 10px;
}

.search-results .card:hover {
    box-shadow: 0 4px 16px rgba(92, 180, 106, 0.12);
    border-color: var(--color-primary);
}

.search-results .card-title a {
    color: var(--color-dark);
}

.search-results .card-title a:hover {
    color: var(--color-primary);
}

mark {
    background-color: rgba(92, 180, 106, 0.2);
    padding: 0.1em 0.2em;
    border-radius: 2px;
}

/* ===========================
   Filter Sidebar (Story 4.3)
   =========================== */

.filter-sidebar .card-body {
    padding: 1.25rem;
}

.filter-sidebar fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.filter-sidebar legend {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.filter-sidebar .form-check {
    margin-bottom: 0.25rem;
}

.filter-sidebar .form-check-label {
    font-size: 0.875rem;
    color: var(--color-text-primary);
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.8rem;
    padding: 0.35em 0.65em;
}

.filter-tag a {
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    line-height: 1;
}

.filter-tag a:hover {
    opacity: 0.7;
}

.filter-sidebar .row .form-control-sm {
    font-size: 0.875rem;
}

/* ===========================
   Article Landing Page (Story 4.4)
   =========================== */

.article-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
}

.article-subtitle {
    font-size: 1.15rem;
    line-height: 1.4;
}

.article-authors .author-entry {
    padding: 0.25rem 0;
}

.article-authors .author-entry .fw-semibold {
    color: var(--color-text-primary);
}

.orcid-link {
    color: #a6ce39;
    text-decoration: none;
    font-size: 0.875rem;
}

.orcid-link:hover {
    color: #82a82e;
    text-decoration: underline;
}

.orcid-link img {
    vertical-align: text-bottom;
}

.withdrawn-banner {
    border-left: 4px solid #dc3545;
    background-color: #f8d7da;
}

.withdrawn-banner .alert-heading {
    color: #842029;
}

.article-metadata dl.row dt {
    font-weight: 600;
    color: var(--color-text-primary);
}

.article-metadata dl.row dd {
    color: var(--color-text-secondary);
}

.article-metadata dl.row dd a {
    color: var(--color-primary);
    word-break: break-all;
}

.article-metadata dl.row dd a:hover {
    color: var(--color-primary-light);
}

.keyword-tag {
    font-size: 0.8rem;
    font-weight: 400;
    padding: 0.35em 0.65em;
    border-color: var(--color-primary) !important;
    color: var(--color-dark) !important;
}

.portal-content .list-group-item-action:hover {
    background-color: rgba(92, 180, 106, 0.08);
}

.portal-content .card:hover {
    border-color: rgba(92, 180, 106, 0.3);
}

/* ===========================
   Floating Action Bar (Story 4.5)
   =========================== */

.floating-action-bar {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1030;
    padding: 0.75rem;
    background: white;
    border-radius: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-border);
}

.fab-btn {
    width: 48px;
    height: 48px;
    min-width: 44px;
    min-height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    padding: 0;
    position: relative;
    color: var(--color-dark);
    border-color: var(--color-primary);
    transition: all 0.2s ease;
}

.fab-btn:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.fab-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.fab-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fab-label {
    font-size: 0.7rem;
    margin-left: 0.25rem;
}

.fab-share-dropdown {
    position: absolute;
    left: -200px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    min-width: 180px;
    z-index: 1031;
    padding: 0.5rem 0;
}

.fab-share-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    width: 100%;
    border: none;
    background: none;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    cursor: pointer;
    text-align: left;
}

.fab-share-option:hover {
    background-color: var(--color-surface-base);
    color: var(--color-dark);
}

/* ===========================
   Citation Modal (Story 4.7)
   =========================== */

.citation-text {
    padding: 1rem;
    background-color: var(--color-surface-base);
    border-radius: 0.375rem;
    border: 1px solid var(--color-border);
    line-height: 1.6;
    color: var(--color-text-primary);
    user-select: all;
    -webkit-user-select: all;
}

.citation-code pre {
    padding: 1rem;
    background-color: var(--color-surface-base);
    border-radius: 0.375rem;
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.citation-code code {
    color: var(--color-text-primary);
}

#citationTabs .nav-link {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

#citationTabs .nav-link:hover {
    color: var(--color-dark);
}

#citationTabs .nav-link.active {
    color: var(--color-dark);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

/* ===========================
   Accessibility
   =========================== */

.portal-header .nav-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.publisher-card:focus-within,
.breadcrumb-item a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-dark);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}

/* ===========================
   Responsive
   =========================== */

@media (max-width: 767.98px) {
    .portal-content {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section .lead {
        font-size: 1rem;
    }

    .hero-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-section .input-group-lg .form-control,
    .hero-section .input-group-lg .btn {
        min-height: 48px;
    }

    .stat-card .stat-number {
        font-size: clamp(2.5rem, 14vw, 3.5rem);
    }

    .publisher-card .card-img-top,
    .publisher-card .card-img-placeholder {
        height: 100px;
    }

    .portal-footer .text-md-end {
        text-align: left !important;
        margin-top: 1rem;
    }

    .search-results .card-body {
        padding: 0.75rem;
    }

    .search-results .btn,
    .search-results .page-link,
    .search-results .card-title a {
        min-height: 44px;
        min-width: 44px;
    }

    .offcanvas .filter-sidebar .card {
        border: none;
        box-shadow: none;
    }

    .offcanvas .filter-sidebar .card-body {
        padding: 0;
    }
}

@media (max-width: 991.98px) {
    .floating-action-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        transform: none;
        flex-direction: row;
        justify-content: space-around;
        border-radius: 0;
        padding: 0.75rem 1rem;
        border-top: 1px solid var(--color-border);
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
        gap: 0;
    }

    .fab-btn {
        width: auto;
        height: auto;
        min-width: 44px;
        min-height: 44px;
        border-radius: 0.5rem;
        font-size: 1rem;
        padding: 0.5rem 0.75rem;
        flex-direction: column;
        gap: 0.125rem;
    }

    .fab-label {
        display: block !important;
        margin-left: 0;
    }

    .fab-share-dropdown {
        left: 50%;
        transform: translateX(-50%);
        top: auto;
        bottom: 100%;
        margin-bottom: 0.5rem;
    }

    .portal-content:has(.floating-action-bar) {
        padding-bottom: 5rem;
    }
}

/* ===========================
   Animations
   =========================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out both;
}

.fade-in-up-1 { animation-delay: 0.05s; }
.fade-in-up-2 { animation-delay: 0.1s; }
.fade-in-up-3 { animation-delay: 0.15s; }
.fade-in-up-4 { animation-delay: 0.2s; }
.fade-in-up-5 { animation-delay: 0.25s; }
.fade-in-up-6 { animation-delay: 0.3s; }

/* ===========================
   Brand Logo (navbar + footer)
   =========================== */

.portal-header .navbar-brand {
    display: inline-flex;
    align-items: center;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
}

.portal-header .navbar-brand .brand-logo {
    height: 40px;
    width: auto;
    display: block;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.portal-header .navbar-brand:hover .brand-logo {
    transform: translateY(-1px);
    filter: drop-shadow(0 4px 10px rgba(92, 180, 106, 0.4));
}

.portal-footer .footer-logo {
    height: 44px;
    width: auto;
    margin-bottom: 1rem;
}

@media (max-width: 575.98px) {
    .portal-header .navbar-brand .brand-logo { height: 32px; }
}

/* ===========================
   Gradient Page Header (list/detail banners)
   =========================== */

.portal-page-header {
    position: relative;
    overflow: hidden;
    background: var(--brand-gradient-soft);
    color: #fff;
    border-radius: 14px;
    padding: 2.5rem 2rem;
    margin-bottom: 2rem;
}

.portal-page-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(92, 180, 106, 0.28) 0%, transparent 68%);
    pointer-events: none;
}

.portal-page-header > * { position: relative; z-index: 1; }

.portal-page-header .page-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.5rem;
}

.portal-page-header h1,
.portal-page-header .page-title {
    color: #fff;
    font-weight: 800;
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.portal-page-header .page-subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-bottom: 0;
    max-width: 60ch;
}

/* Thin gradient accent bar (section dividers / card tops) */
.gradient-accent-bar {
    height: 4px;
    width: 64px;
    border-radius: 4px;
    background: var(--brand-gradient);
}

/* ===========================
   Stat Card — premium counters
   =========================== */

.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--brand-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover::after { opacity: 1; }

/* ===========================
   Scroll Reveal (GSAP-assisted, CSS fallback)
   =========================== */

[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }
[data-reveal-delay="5"] { transition-delay: 0.40s; }

/* ===========================
   Custom Cursor Ball (doi.rs) — desktop only
   =========================== */

#cursor-ball {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;      /* centre on the pointer; JS only writes translate() */
    pointer-events: none;
    z-index: 999999;
    opacity: 0;                   /* shown by JS on first mousemove */
    transition: opacity 0.2s ease;
    will-change: transform;
}

/* Ring + dot live on pseudo-elements so their scale can transition smoothly
   while the host's inline transform (position) stays un-transitioned. */
#cursor-ball::before,
#cursor-ball::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    transition: transform 0.3s ease, opacity 0.3s ease,
                background-color 0.3s ease, border-color 0.3s ease;
}

/* Neutral mid-grey: readable on white sections and on the dark hero/footer */
#cursor-ball::before {
    inset: 0;
    box-sizing: border-box;
    border: 1px solid rgba(156, 156, 156, 0.5);
    background-color: transparent;
}

#cursor-ball::after {
    left: 50%;
    top: 50%;
    width: 3px;
    height: 3px;
    margin: -1.5px 0 0 -1.5px;
    background: var(--color-primary);
}

/* Hover on interactive elements: bigger, grey, semi-transparent (doi.rs) */
#cursor-ball.is-active::before {
    transform: scale(1.7);
    border-color: rgba(156, 156, 156, 0.25);
    background-color: rgba(156, 156, 156, 0.22);
}

#cursor-ball.is-active::after {
    transform: scale(1.7);
    opacity: 0.35;
}

@media (max-width: 1024px), (hover: none), (pointer: coarse) {
    #cursor-ball { display: none !important; }
}

/* ===========================
   Lenis smooth scroll
   =========================== */

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* ===========================
   Reduced motion
   =========================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    [data-reveal] { opacity: 1 !important; transform: none !important; }
    #cursor-ball { display: none !important; }
}

/* ===========================
   Top contact bar
   =========================== */

.portal-topbar {
    background: var(--color-darker);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.82rem;
}

.portal-topbar .topbar-inner {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    padding: 0.4rem 0;
}

.portal-topbar .topbar-link {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s ease;
}

.portal-topbar .topbar-link i {
    color: var(--color-primary);
    font-size: 1.1rem;
    vertical-align: -0.08em;
}

.portal-topbar .topbar-link:hover { color: #fff; }

.portal-topbar .topbar-sep {
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, 0.18);
}

/* ===========================
   Navbar dropdown (Publikacije)
   =========================== */

.portal-header .dropdown-toggle::after {
    vertical-align: 0.15em;
    margin-left: 0.4em;
    border-top-color: currentColor;
}

.portal-dropdown-menu {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 0.5rem;
    margin-top: 0.6rem;
    box-shadow: 0 18px 44px -12px rgba(0, 0, 0, 0.5);
    background: #04403f;
    min-width: 232px;
}

.portal-dropdown-menu .dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.86);
    transition: background 0.18s ease, color 0.18s ease;
}

.portal-dropdown-menu .dropdown-item i {
    color: var(--color-primary);
    font-size: 1rem;
    width: 18px;
    text-align: center;
}

.portal-dropdown-menu .dropdown-item:hover,
.portal-dropdown-menu .dropdown-item:focus {
    background: rgba(92, 180, 106, 0.2);
    color: #fff;
}

.portal-dropdown-menu .dropdown-item:hover i { color: var(--color-primary-light); }

.portal-dropdown-menu .dropdown-divider {
    margin: 0.4rem 0.5rem;
    border-color: rgba(255, 255, 255, 0.12);
}

@media (max-width: 991.98px) {
    /* Collapsed navbar: dropdown becomes inline, readable on dark bg */
    .portal-dropdown-menu {
        background: transparent;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 0;
    }
    .portal-dropdown-menu .dropdown-item,
    .portal-dropdown-menu .dropdown-item i { color: rgba(255, 255, 255, 0.82); }
    .portal-dropdown-menu .dropdown-item:hover,
    .portal-dropdown-menu .dropdown-item:focus {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }
    .portal-dropdown-menu .dropdown-divider { border-color: rgba(255, 255, 255, 0.15); }
}

/* ===========================
   Footer — 3 columns + bottom bar
   =========================== */

.portal-footer-top {
    padding: 3rem 0 2.5rem;
}

.portal-footer .footer-logo {
    height: 46px;
    width: auto;
    margin-bottom: 1.1rem;
}

.portal-footer .footer-description {
    color: var(--color-text-muted-dark);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    max-width: 42ch;
}

.portal-footer .footer-heading {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.01em;
    margin-bottom: 1.1rem;
    position: relative;
    padding-bottom: 0.6rem;
}

.portal-footer .footer-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: var(--brand-gradient);
}

.portal-footer .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.portal-footer .footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    color: var(--color-text-muted-dark);
    font-size: 0.9rem;
    line-height: 1.5;
}

.portal-footer .footer-contact li i {
    color: var(--color-primary);
    font-size: 1.05rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.portal-footer .footer-contact a { color: var(--color-text-muted-dark) !important; }
.portal-footer .footer-contact a:hover { color: var(--color-primary) !important; }

.portal-footer .footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.portal-footer .footer-links a {
    color: rgba(255, 255, 255, 0.78) !important;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.portal-footer .footer-links a::before {
    content: '\2192';
    color: var(--color-primary);
    opacity: 0;
    margin-left: -1.1rem;
    transition: opacity 0.2s ease, margin-left 0.2s ease;
}

.portal-footer .footer-links a:hover {
    color: #fff !important;
    padding-left: 0.2rem;
}

.portal-footer .footer-links a:hover::before {
    opacity: 1;
    margin-left: 0;
}

.portal-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.1rem 0;
}

.portal-footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.portal-footer-bottom .footer-copyright {
    color: var(--color-text-muted-dark);
    font-size: 0.84rem;
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.footer-legal-links a {
    color: var(--color-text-muted-dark) !important;
    font-size: 0.84rem;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.footer-legal-links a:hover {
    color: var(--color-primary) !important;
}

/* Footer newsletter field (dark) */
.footer-newsletter .form-control {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #fff;
    border-radius: 10px;
    padding: 0.6rem 0.9rem;
}

.footer-newsletter .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

.footer-newsletter .form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(92, 180, 106, 0.25);
    color: #fff;
}

.footer-newsletter .btn-doi {
    width: 100%;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: normal;
    padding: 0.62rem 1.1rem;
    box-shadow: none;
    transform: none;
}

.footer-newsletter .btn-doi:hover,
.footer-newsletter .btn-doi:focus-visible {
    transform: none;
    box-shadow: none;
    filter: brightness(112%);
}

.footer-newsletter .newsletter-field { display: block; }

@media (max-width: 575.98px) {
    .portal-footer-bottom .container { justify-content: center; text-align: center; }
    .footer-legal-links { justify-content: center; }
}

/* ===========================
   Monograph horizontal card (full cover + info)
   =========================== */

.monograph-card {
    overflow: hidden;
}

.monograph-card .mono-link {
    display: flex;
    align-items: stretch;
    text-decoration: none;
    height: 100%;
    min-height: 224px;
}

.mono-cover {
    flex: 0 0 38%;
    max-width: 38%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: linear-gradient(150deg, var(--color-dark) 0%, #0a4a4a 68%, var(--color-primary) 175%);
    border-right: 1px solid var(--color-border-subtle);
}

.mono-cover img {
    max-width: 100%;
    max-height: 240px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.32);
}

.mono-cover .mono-cover-icon {
    color: #fff;
    font-size: 2.6rem;
    opacity: 0.92;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.25));
}

.mono-body {
    flex: 1 1 62%;
    padding: 1.35rem 1.45rem;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.mono-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-dark);
    margin: 0.15rem 0 0.45rem;
    transition: color 0.2s ease;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.monograph-card:hover .mono-title { color: var(--color-primary); }

.mono-authors {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.55rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mono-meta {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 1rem;
    margin-bottom: 1rem;
}

.mono-meta .mono-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.mono-meta i { color: var(--color-primary); }

.mono-meta .mono-doi {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
    word-break: break-all;
}

.mono-actions {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mono-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap 0.2s ease;
}

.monograph-card:hover .mono-cta { gap: 0.65rem; }

@media (max-width: 575.98px) {
    .monograph-card .mono-link { flex-direction: column; min-height: 0; }
    .mono-cover { flex-basis: auto; max-width: none; padding: 1.5rem; }
    .mono-cover img { max-height: 260px; }
    .mono-title { -webkit-line-clamp: 2; }
}

/* ===========================
   CTA band (contact focus)
   =========================== */

.cta-band {
    position: relative;
    overflow: hidden;
    background: var(--brand-gradient-soft);
    border-radius: 16px;
    color: #fff;
    padding: 2.75rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.75rem;
    flex-wrap: wrap;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: -45%;
    right: -6%;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(92, 180, 106, 0.3) 0%, transparent 68%);
    pointer-events: none;
}

.cta-band > * { position: relative; z-index: 1; }

.cta-band .cta-text { max-width: 60ch; }

.cta-band .cta-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.4rem;
}

.cta-band h2 {
    color: #fff;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
}

.cta-band p.cta-sub {
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 0;
    font-size: 1.02rem;
}

/* White pill button for use on gradient bands */
.btn-cta-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #fff;
    color: var(--color-dark) !important;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    padding: 0.8rem 1.9rem;
    white-space: nowrap;
    text-decoration: none !important;
    box-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-cta-light:hover,
.btn-cta-light:focus-visible {
    background: #fff;
    color: var(--color-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 16px 38px -10px rgba(0, 0, 0, 0.45);
}

@media (max-width: 575.98px) {
    .cta-band { padding: 2rem 1.5rem; }
    .btn-cta-light { width: 100%; }
}

/* ===========================
   Sort control (list toolbar)
   =========================== */

.list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.list-toolbar .result-count {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.sort-control {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.sort-control label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
    white-space: nowrap;
}

.sort-control .form-select {
    border: 2px solid var(--color-border);
    border-radius: 50px;
    padding: 0.45rem 2.2rem 0.45rem 1.1rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    width: auto;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sort-control .form-select option {
    color: var(--color-text-primary);
}

.sort-control .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(92, 180, 106, 0.2);
}

/* ===========================
   Navbar CTA pill (doi.rs "Podnesite upit" equivalent)
   =========================== */

.portal-header .navbar-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    background: var(--brand-gradient);
    color: #fff !important;
    text-decoration: none !important;
    border-radius: 50px;
    padding: 0.55rem 1.35rem;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1;
    margin-left: 0.5rem;
    filter: brightness(100%);
    box-shadow: 0 8px 20px -8px rgba(92, 180, 106, 0.5);
    transition: filter 0.4s ease, background 0.4s ease, transform 0.4s ease;
}

.portal-header .navbar-cta:hover,
.portal-header .navbar-cta:focus-visible {
    background: var(--brand-gradient-hover);
    color: #fff !important;
    filter: brightness(118%);
    transform: translateY(-1px);
}

@media (max-width: 991.98px) {
    .portal-header .navbar-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        width: fit-content;
    }
}

/* ===========================
   Split word reveal (doi.rs SplitText-style heading motion)
   =========================== */

.reveal-word {
    display: inline-block;
    will-change: transform, opacity;
}

/* ===========================
   Home Hero — two-column with animated node network
   =========================== */

.hero-section .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    text-align: left;
    padding: 2.75rem 2.5rem;
    position: relative;
    z-index: 1;
}

/* Single large soft animated shape inside the hero (behind content) */
.hero-orb {
    position: absolute;
    top: -25%;
    right: -12%;
    width: 62%;
    height: 165%;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(circle at 42% 42%,
        rgba(104, 204, 108, 0.30) 0%,
        rgba(104, 204, 108, 0.10) 45%,
        transparent 70%);
    filter: blur(42px);
    border-radius: 50%;
    animation: heroOrbFloat 26s ease-in-out infinite alternate;
    will-change: transform;
}

@keyframes heroOrbFloat {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-26%, 16%) scale(1.25); }
}

@media (prefers-reduced-motion: reduce) {
    .hero-orb { animation: none; }
}

.hero-content .hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 0.6rem;
}

.hero-content h1 {
    color: #fff;
    font-weight: 800;
    font-size: clamp(2rem, 3.6vw, 3.1rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.hero-content .hero-intro {
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.08rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
    max-width: 52ch;
}

.hero-content form { max-width: 540px; margin: 0; }

.hero-graphic {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
}

.node-net {
    width: 100%;
    height: auto;
    max-height: 320px;
    overflow: visible;
}

.node-net .edge {
    stroke: rgba(255, 255, 255, 0.16);
    stroke-width: 1;
}

.node-net .edge-lit {
    stroke: rgba(92, 180, 106, 0.55);
    stroke-width: 1.5;
    stroke-dasharray: 4 6;
    animation: edgeDash 6s linear infinite;
}

@keyframes edgeDash { to { stroke-dashoffset: -40; } }

.node-net .node {
    fill: #68cc6c;
    transform-box: fill-box;
    transform-origin: center;
    animation: nodePulse 3.6s ease-in-out infinite;
}

.node-net .node-lg { fill: #fff; }

.node-net .node-ring {
    fill: none;
    stroke: rgba(92, 180, 106, 0.6);
    stroke-width: 1.5;
    transform-box: fill-box;
    transform-origin: center;
    animation: ringPulse 3.6s ease-in-out infinite;
}

@keyframes nodePulse {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
}

@keyframes ringPulse {
    0%, 100% { opacity: 0.15; transform: scale(0.85); }
    50% { opacity: 0.6; transform: scale(1.15); }
}

.node-net .float-group {
    animation: floatGroup 9s ease-in-out infinite;
}

@keyframes floatGroup {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@media (max-width: 991.98px) {
    .hero-section .hero-grid { grid-template-columns: 1fr; padding: 2rem 1.5rem; }
    .hero-graphic { display: none; }
    .hero-content form { max-width: 100%; }
}

/* ===========================
   Home — Publication type blocks
   =========================== */

/* Desktop: all blocks (4 or 5) share one row in equal columns */
.type-blocks {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    gap: 1.25rem;
}

.type-block {
    position: relative;
    overflow: hidden;
    display: block;
    text-align: center;
    text-decoration: none;
    background: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 1.9rem 1.25rem 1.6rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.type-block::after {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

/* Hover lift only for linked blocks; a non-link (div) block stays static */
a.type-block:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--brand-glow);
}

a.type-block:hover::after { transform: scaleX(1); }

.type-block:not(a) { cursor: default; }

.type-block-icon {
    width: 66px;
    height: 66px;
    border-radius: 18px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: #fff;
    background: var(--brand-gradient);
    box-shadow: 0 8px 20px -6px rgba(92, 180, 106, 0.5);
    animation: typeFloat 5s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.type-block:nth-child(2) .type-block-icon { animation-delay: 0.6s; }
.type-block:nth-child(3) .type-block-icon { animation-delay: 1.2s; }
.type-block:nth-child(4) .type-block-icon { animation-delay: 1.8s; }
.type-block:nth-child(5) .type-block-icon { animation-delay: 2.4s; }

@keyframes typeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

a.type-block:hover .type-block-icon {
    transform: translateY(-3px) rotate(-6deg) scale(1.06);
}

.type-block-count {
    font-size: clamp(2rem, 3.2vw, 2.8rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    background: var(--brand-gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: block;
    margin-bottom: 0.25rem;
}

.type-block-name {
    color: var(--color-dark);
    font-weight: 700;
    font-size: 1.22rem;
    letter-spacing: -0.01em;
    margin: 0;
}

/* 5 in a row: tighter padding/type so counts and names fit the narrower block */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .type-block { padding: 1.6rem 0.75rem 1.4rem; }
    .type-block-name { font-size: 1.1rem; }
}

/* Tablet: 12-col track. 4 blocks -> one row; exactly 5 -> 3 + 2 centred */
@media (min-width: 768px) and (max-width: 991.98px) {
    .type-blocks {
        grid-auto-flow: row;
        grid-auto-columns: auto;
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }
    .type-block { grid-column: span 3; }
    .type-block:first-child:nth-last-child(5),
    .type-block:first-child:nth-last-child(5) ~ .type-block { grid-column: span 4; }
    .type-block:first-child:nth-last-child(5) ~ .type-block:nth-child(4) { grid-column: 3 / span 4; }
}

/* Phone: 2 columns; with an odd count the first block (the "Članci" total)
   spans the full row and the rest form a 2-col grid (1 + 2 + 2) */
@media (max-width: 767.98px) {
    .type-blocks {
        grid-auto-flow: row;
        grid-auto-columns: auto;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .type-block:first-child:nth-last-child(odd) { grid-column: 1 / -1; }
}

@media (max-width: 359.98px) {
    .type-blocks { grid-template-columns: minmax(0, 1fr); }
    .type-block:first-child:nth-last-child(odd) { grid-column: auto; }
}

/* ===========================
   Home — Latest article cards (2 rows x 4)
   =========================== */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.article-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--color-surface-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.25rem 1.3rem 1.15rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.article-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(92, 180, 106, 0.12);
    transform: translateY(-3px);
}

.article-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding-bottom: 0.85rem;
    margin-bottom: 0.85rem;
    border-bottom: 1px solid var(--color-border-subtle);
}

.article-badges {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 0;
}

.article-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(3, 51, 51, 0.07);
    color: var(--color-dark);
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    white-space: nowrap;
}

.article-type-badge i { color: var(--color-primary); font-size: 0.78rem; }

.oa-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.oa-badge.oa-open { color: var(--color-primary); background: rgba(92, 180, 106, 0.14); }
.oa-badge.oa-closed { color: var(--color-text-secondary); background: var(--color-surface-base); }

.article-pages {
    font-size: 0.74rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.article-title {
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

.article-title a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.2s ease;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card:hover .article-title a { color: var(--color-primary); }

.article-authors {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: 0.6rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-abstract {
    font-size: 0.84rem;
    line-height: 1.55;
    color: var(--color-text-secondary);
    margin-bottom: 0.85rem;
    flex: 1 1 auto;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-publication {
    font-size: 0.82rem;
    font-style: italic;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--color-border-subtle);
}

.article-date {
    font-size: 0.76rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.article-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border: 1.5px solid var(--color-primary);
    border-radius: 50px;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.article-more:hover {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--brand-glow);
}

.article-more i { transition: transform 0.2s ease; }
.article-more:hover i { transform: translateX(2px); }

/* Keep the "Opširnije" button clearly visible when the whole card is hovered */
.article-card:hover .article-more,
.article-more:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #fff !important;
    box-shadow: var(--brand-glow);
}

.article-card:hover .article-more i { transform: translateX(2px); }

@media (max-width: 991.98px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 519.98px) {
    .articles-grid { grid-template-columns: 1fr; }
}

/* ===========================
   Filter accordion (publications sidebar)
   =========================== */

.filter-accordion .accordion-item {
    border: none;
    border-bottom: 1px solid var(--color-border-subtle);
    background: transparent;
}

.filter-accordion .accordion-item:last-child { border-bottom: none; }

.filter-accordion .accordion-button {
    padding: 0.85rem 0.15rem;
    background: transparent;
    color: var(--color-dark);
    font-weight: 700;
    font-size: 0.92rem;
    box-shadow: none;
    --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235cb46a' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.2'%3e%3cpath d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235cb46a' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.2'%3e%3cpath d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.filter-accordion .accordion-button:not(.collapsed) {
    background: transparent;
    color: var(--color-primary);
    box-shadow: none;
}

.filter-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
    outline: none;
}

.filter-accordion .accordion-button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 6px;
}

.filter-accordion .accordion-body {
    padding: 0 0.15rem 0.9rem;
}

.filter-check {
    display: flex;
    align-items: center;
    margin-bottom: 0.45rem;
    padding-left: 1.6em;
}

.filter-check:last-child { margin-bottom: 0.1rem; }

.filter-check .form-check-input { margin-left: -1.6em; cursor: pointer; }

.filter-check .form-check-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    width: 100%;
    font-size: 0.9rem;
    color: var(--color-text-primary);
    cursor: pointer;
}

.filter-count {
    flex-shrink: 0;
    color: var(--color-text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    background: var(--color-surface-base);
    border: 1px solid var(--color-border-subtle);
    border-radius: 20px;
    padding: 0.02rem 0.5rem;
    min-width: 1.75rem;
    text-align: center;
}

.filter-check .form-check-input:checked ~ .form-check-label .filter-count {
    background: rgba(92, 180, 106, 0.14);
    border-color: transparent;
    color: var(--color-primary);
}

/* Site-wide pre-footer CTA band spacing */
.prefooter-cta {
    padding: 0.5rem 0 3.75rem;
}

@media (min-width: 992px) {
    .prefooter-cta { padding: 1rem 0 4.5rem; }
}

/* ===========================
   Animated connected-dots background (site-wide)
   =========================== */

#bg-orb {
    position: fixed;
    top: 6%;
    left: 10%;
    width: 58vmax;
    height: 58vmax;
    z-index: -1;            /* behind all content, above body background */
    pointer-events: none;
    background: radial-gradient(circle at 38% 34%,
        rgba(92, 180, 106, 0.16) 0%,
        rgba(3, 51, 51, 0.06) 52%,
        transparent 72%);
    filter: blur(34px);
    border-radius: 42% 58% 60% 40% / 45% 45% 55% 55%;
    animation: orbFloat 32s ease-in-out infinite alternate;
    will-change: transform, border-radius;
}

@keyframes orbFloat {
    0%   { transform: translate(-8%, -6%) scale(1) rotate(0deg);
           border-radius: 42% 58% 60% 40% / 45% 45% 55% 55%; }
    50%  { transform: translate(22%, 16%) scale(1.18) rotate(9deg);
           border-radius: 56% 44% 42% 58% / 55% 52% 48% 45%; }
    100% { transform: translate(6%, 28%) scale(1.08) rotate(-6deg);
           border-radius: 48% 52% 55% 45% / 50% 48% 52% 50%; }
}

@media (prefers-reduced-motion: reduce) {
    #bg-orb { animation: none; }
}