/* ==========================================================================
   Department detail — unified with site typography (style.css)
   ========================================================================== */

.dept-detail-page {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-alt);
}

.site-header.header-solid ~ .dept-detail-page {
    padding-top: 100px !important;
}

.dept-detail-page h1,
.dept-detail-page h2,
.dept-detail-page h3,
.dept-detail-page .dept-section-title,
.dept-detail-page .dept-staff-name {
    font-family: var(--font-headings);
    color: var(--primary-color);
}

.sd-reveal {
    opacity: 0;
    transform: translateY(14px);
    transition:
        opacity 0.45s ease,
        transform 0.45s ease;
}

.sd-reveal.sd-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Page header (no background) ── */
.dept-main-content {
    max-width: 1160px;
    margin: 0 auto;
    padding: 24px 28px 64px;
}

.dept-page-header {
    margin-bottom: 18px;
    padding: 28px 32px;
    text-align: center;
    background: var(--bg-light);
    border: 1px solid rgba(12, 62, 33, 0.08);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.dept-page-header .dept-back-link {
    display: inline-flex;
    margin-bottom: 14px;
}

.dept-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.dept-back-link:hover {
    color: var(--accent-color);
}

.dept-page-header .section-tag {
    display: block;
    margin-bottom: 10px;
}

.dept-page-header .section-title-premium {
    font-size: clamp(1.5rem, 3vw, 2.125rem);
    text-align: center;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* ── Sections ── */
.dept-section {
    margin-bottom: 16px;
    padding: 26px 28px;
    background: var(--bg-light);
    border: 1px solid rgba(12, 62, 33, 0.08);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.dept-intro-section {
    margin-bottom: 16px;
}

.dept-staff-section {
    margin-top: 0;
}

.dept-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0 0 18px;
    letter-spacing: -0.015em;
}

.dept-section-title::before {
    content: "";
    width: 36px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        var(--accent-color),
        var(--primary-color)
    );
    flex-shrink: 0;
}

/* ── Intro: heading + text + image ── */
.dept-intro-grid {
    display: grid;
    grid-template-columns: 1fr min(360px, 40%);
    gap: 28px;
    align-items: start;
}

.dept-intro-text-col {
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
}

.dept-intro-text {
    font-family: var(--font-body);
    font-size: 16.5px;
    line-height: 1.78;
    color: var(--text-muted);
    margin: 0 0 12px;
}

.dept-intro-text:last-child {
    margin-bottom: 0;
}

.dept-intro-photo-col {
    border-radius: 20px;
    overflow: hidden;
    min-height: 260px;
    background: #e2e8f0;
    border: 1px solid rgba(12, 62, 33, 0.08);
    box-shadow: var(--shadow-sm);
}

.dept-intro-photo-col img {
    width: 100%;
    height: 100%;
    min-height: 260px;
    object-fit: cover;
    display: block;
}

.dept-intro-photo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-light);
    border: 2px dashed rgba(12, 62, 33, 0.12);
    font-size: 14px;
    font-weight: 500;
}

.dept-intro-photo-placeholder svg {
    width: 40px;
    height: 40px;
    margin-bottom: 8px;
    opacity: 0.4;
    stroke: var(--primary-color);
}

/* ── Research cards ── */
.dept-research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.dept-research-card {
    background: var(--bg-alt);
    border: 1px solid rgba(12, 62, 33, 0.08);
    border-radius: 18px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition:
        border-color 0.2s,
        box-shadow 0.2s,
        transform 0.2s;
}

.dept-research-card:hover {
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.dept-research-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.dept-research-label {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.5;
    margin: 0;
}

/* ── Results cards ── */
.dept-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.dept-result-card {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--bg-alt);
    border: 1px solid rgba(12, 62, 33, 0.08);
    border-radius: 18px;
    padding: 16px 18px;
}

.dept-result-card__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #ecfdf5;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dept-result-card__text {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.55;
    color: var(--text-muted);
    margin: 0;
}

/* ── Feature cards ── */
.dept-feature-cards {
    display: grid;
    gap: 12px;
}

.dept-feature-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--bg-alt);
    border-radius: 18px;
    padding: 18px 20px;
    border: 1px solid rgba(12, 62, 33, 0.08);
}

.dept-feature-card--intl {
    border-left: 3px solid #3b82f6;
}

.dept-feature-card--pub {
    border-left: 3px solid var(--accent-color);
}

.dept-feature-card__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    background: var(--bg-alt);
}

.dept-feature-card__body h3 {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 6px;
}

.dept-feature-card__body p {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
}

/* ── Staff ── */
.dept-staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
}

.dept-staff-card {
    background: var(--bg-alt);
    border: 1px solid rgba(12, 62, 33, 0.08);
    border-radius: 18px;
    padding: 20px 16px 18px;
    text-align: center;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
}

.dept-staff-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: rgba(16, 185, 129, 0.25);
}

.dept-staff-card.is-head {
    border-color: rgba(16, 185, 129, 0.35);
    background: #f8faf7;
}

.dept-staff-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 10px;
    object-fit: cover;
    border: 2px solid #e2e8f0;
}

.dept-staff-card.is-head .dept-staff-avatar {
    border-color: var(--accent-color);
}

.dept-staff-initials {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 10px;
    background: var(--primary-color);
    color: #fff;
    font-family: var(--font-headings);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dept-staff-card.is-head .dept-staff-initials {
    background: var(--accent-color);
}

.dept-staff-name {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 4px;
}

.dept-staff-position {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 2px;
}

.dept-staff-meta {
    font-size: 12px;
    color: var(--text-muted);
    opacity: 0.85;
}

.dept-staff-badge {
    display: inline-block;
    margin-top: 8px;
    background: #dcfce7;
    color: #166534;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    padding: 3px 10px;
}

/* ── List ── */
.dept-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dept-list li {
    padding-left: 22px;
    position: relative;
    margin-bottom: 6px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-muted);
}

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

.dept-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 13px;
    top: 2px;
}

.dept-section-text {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-muted);
}

/* ── CTA ── */
.dept-cta-section {
    margin-top: 18px;
    padding: 30px 24px;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--primary-light)
    );
    border-radius: 24px;
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.dept-cta-section h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
}

.dept-cta-section p {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 16px;
}

.dept-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: #fff;
    color: var(--primary-color);
    border-radius: var(--border-radius-full, 9999px);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
}

.dept-cta-btn:hover {
    color: var(--primary-color);
    opacity: 0.95;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .dept-intro-grid {
        grid-template-columns: 1fr;
    }

    .dept-intro-photo-col {
        order: -1;
    }

    .dept-results-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .dept-main-content {
        padding: 16px 18px 56px;
    }

    .dept-page-header {
        margin-bottom: 12px;
        padding: 22px 18px;
    }

    .dept-section {
        margin-bottom: 12px;
        padding: 20px 18px;
    }

    .dept-intro-section {
        margin-bottom: 0;
    }

    .dept-research-grid {
        grid-template-columns: 1fr;
    }

    .dept-feature-card {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sd-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}