/* ============================================================
   U-LITS Publications Page
   Extends landing.css – same design tokens
   ============================================================ */

/* ---- PAGE HERO ---- */
.page-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 70%, var(--accent) 100%);
    color: #fff;
    padding: 56px 0 52px;
}
.page-hero-content h1 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.page-hero-content p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.9);
    max-width: 620px;
    line-height: 1.75;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.75);
}
.breadcrumb a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: var(--transition);
}
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.breadcrumb svg { width: 14px; height: 14px; flex-shrink: 0; }
.breadcrumb span { color: rgba(255,255,255,0.65); }

/* ---- FILTER BAR ---- */
.pub-filter-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 62px;
    z-index: 90;
    padding: 12px 0;
}
.filter-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}
.filter-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.filter-tab {
    background: none;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 16px;
    font-family: 'Jost', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.filter-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.filter-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.filter-search {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    background: var(--bg-light);
    min-width: 240px;
    transition: var(--transition);
}
.filter-search:focus-within {
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(106,58,0,0.07);
}
.filter-search svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
}
.filter-search input {
    border: none;
    background: none;
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-body);
    width: 100%;
}
.filter-search input::placeholder { color: var(--text-light); }

/* ---- FEATURED PUBLICATION ---- */
.featured-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 48px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
}
.featured-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}
.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: #fff;
    font-family: 'Jost', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 12px;
    border-radius: 20px;
}
.featured-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.featured-meta .pub-date,
.featured-meta .pub-pages {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.featured-meta svg { width: 14px; height: 14px; }

.featured-body h2 {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.35;
    letter-spacing: -0.01em;
}
.featured-body > p {
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 640px;
}

/* Featured stats */
.featured-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.fstat { text-align: center; }
.fstat strong {
    display: block;
    font-family: 'Jost', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.fstat span {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.featured-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---- PUBLICATION COVER (Fake book cover) ---- */
.pub-cover {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}
.pub-cover--lg {
    width: 200px;
    height: 280px;
    align-self: flex-start;
}
.pub-cover--sm {
    width: 100%;
    height: 130px;
}
.pub-cover--brown  { background: linear-gradient(145deg, #6a3a00, #4e2b00); }
.pub-cover--olive  { background: linear-gradient(145deg, #4a5e1e, #2d3b12); }
.pub-cover--gold   { background: linear-gradient(145deg, #a07830, #7a5a1a); }
.pub-cover--teal   { background: linear-gradient(145deg, #1a6b6b, #0d4040); }
.pub-cover--slate  { background: linear-gradient(145deg, #3a4e6a, #1e2e40); }

.cover-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px;
    width: 100%;
    height: 100%;
    gap: 4px;
}
.cover-logo {
    font-family: 'Jost', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.08em;
}
.cover-year {
    font-family: 'Jost', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}
.cover-title {
    font-family: 'Jost', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    line-height: 1.3;
}
.cover-type {
    font-family: 'Jost', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.6);
    margin-bottom: 4px;
}
.cover-org {
    font-size: 0.62rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.4;
    margin-top: 4px;
}

/* ---- PUBLICATION TAGS ---- */
.pub-tag {
    display: inline-block;
    font-family: 'Jost', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 20px;
}
.pub-tag--report  { background: #fff3e0; color: #bf6000; }
.pub-tag--policy  { background: #e8f5e9; color: #2e7d32; }
.pub-tag--research { background: #e3f2fd; color: #1565c0; }
.pub-tag--manual  { background: #f3e5f5; color: #7b1fa2; }
.pub-tag--news    { background: #fce4ec; color: #c62828; }

/* ---- PUBLICATIONS GRID ---- */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.pub-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.pub-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}
.pub-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.pub-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.pub-date-sm {
    font-size: 0.78rem;
    color: var(--text-muted);
}
.pub-card h3 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.5;
    flex: 1;
}
.pub-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    flex: 1;
}
.pub-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.pub-size {
    font-size: 0.78rem;
    color: var(--text-light);
}
.pub-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Jost', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-light);
}
.pub-dl-btn svg { width: 14px; height: 14px; }
.pub-dl-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ---- EMPTY STATE ---- */
.pub-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.pub-empty svg {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--border);
}
.pub-empty h3 {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.pub-empty p { font-size: 0.9rem; }

/* ---- CTA / SUBSCRIBE ---- */
.pub-cta {
    background: var(--primary-bg);
    border-top: 1px solid var(--border);
}
.pub-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.pub-cta-text h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 6px;
}
.pub-cta-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
}
.pub-subscribe-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.pub-subscribe-form input[type="email"] {
    padding: 12px 18px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-body);
    background: var(--bg-white);
    outline: none;
    width: 280px;
    transition: var(--transition);
}
.pub-subscribe-form input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(106,58,0,0.08);
}
.pub-subscribe-form input::placeholder { color: var(--text-light); }

/* ---- ANIMATE ON SCROLL ---- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
    .pub-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .page-hero-content h1 { font-size: 1.8rem; }
    .featured-card {
        grid-template-columns: 1fr;
        padding: 28px 20px;
    }
    .featured-image { display: none; }
    .featured-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .pub-grid { grid-template-columns: 1fr; }
    .pub-filter-bar { position: relative; top: auto; }
    .filter-inner { flex-direction: column; align-items: flex-start; }
    .filter-search { width: 100%; min-width: unset; }
    .pub-cta-inner { flex-direction: column; text-align: center; }
    .pub-subscribe-form { justify-content: center; width: 100%; }
    .pub-subscribe-form input[type="email"] { width: 100%; }
}

@media (max-width: 480px) {
    .featured-stats { grid-template-columns: repeat(2, 1fr); }
    .featured-actions { flex-direction: column; }
    .filter-tabs { gap: 4px; }
    .filter-tab { padding: 5px 12px; font-size: 0.8rem; }
}