/* Research Page Styles */
.research-hero {
    background: linear-gradient(135deg, rgba(0, 85, 164, 0.9) 0%, rgba(0, 46, 93, 0.9) 100%),
                url("/static/images/research-hero.jpg");
    background-size: cover;
    background-position: center;
    color: white;
    padding: 3rem 0 2.5rem;
}

.research-hero .breadcrumb-item a,
.research-hero .breadcrumb-item.active { color: rgba(255,255,255,.75); }
.research-hero .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.4); }

/* ── Cartes projets ── */
.research-card {
    transition: var(--transition-fast);
    border: none;
    border-radius: 0;
    border-left: 4px solid var(--unilu-blue);
}

.research-card:hover {
    transform: translateY(-5px);
    border-left-color: var(--unilu-gold);
    box-shadow: var(--shadow-md);
}

/* ── Icône domaine (carré) ── */
.research-icon {
    width: 72px;
    height: 72px;
    background: var(--unilu-blue);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

/* ── Publications ── */
.publication-card {
    border-left: 4px solid var(--unilu-blue);
    border-radius: 0;
    transition: var(--transition-fast);
}

.publication-card:hover {
    border-left-color: var(--unilu-gold);
    transform: translateX(5px);
}

/* ── Centre de recherche ── */
.center-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 0;
    border-left: 4px solid var(--unilu-gold);
    padding: 24px;
    height: 100%;
    transition: var(--transition-fast);
}

.center-card:hover {
    border-left-color: var(--unilu-blue);
    box-shadow: var(--shadow-md);
}

/* ── Timeline ── */
.timeline-research {
    position: relative;
    padding-left: 30px;
}

.timeline-research::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--unilu-gold);
}

.timeline-item-research {
    position: relative;
    margin-bottom: 30px;
    padding-bottom: 20px;
}

.timeline-item-research::before {
    content: '';
    position: absolute;
    left: -23px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 0;
    background: var(--unilu-blue);
    border: 2px solid var(--unilu-gold);
}

/* ── Nav pills (override Bootstrap) ── */
.nav-pills .nav-link {
    color: var(--unilu-blue);
    font-weight: 500;
    padding: 12px 20px;
    margin-bottom: 10px;
    border-radius: 0;
    transition: var(--transition-fast);
}

.nav-pills .nav-link.active {
    background: var(--unilu-blue);
    color: white;
    border-radius: 0;
}

.nav-pills .nav-link:hover:not(.active) {
    background: rgba(0, 85, 164, 0.1);
}

/* ── Logos partenaires ── */
.partner-logo {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: white;
    border-radius: 0;
    border: 1px solid #dee2e6;
    transition: var(--transition-fast);
}

.partner-logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

/* ── Bootstrap overrides (card, badge, alert) ── */
.card         { border-radius: 0 !important; }
.card-header,
.card-footer  { border-radius: 0 !important; }
.badge        { border-radius: 0; }
.alert        { border-radius: 0; }

/* ── Bande stats spécifique à la page recherche ── */
.research-stats-band {
    background: var(--unilu-dark);
    border-top: 3px solid var(--unilu-gold);
    border-bottom: 3px solid var(--unilu-gold);
}

.research-stats-band .stat-item {
    padding: 1.8rem 1rem;
    border-right: 1px solid rgba(255,255,255,.1);
    text-align: center;
}

.research-stats-band .stat-item:last-child { border-right: none; }

.research-stats-band .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--unilu-gold);
    line-height: 1;
    display: block;
}

.research-stats-band .stat-label {
    font-size: .78rem;
    color: rgba(255,255,255,.7);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
}

/* ── Cartes domaines de recherche ── */
.domain-card {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-top: 3px solid var(--unilu-gold);
    border-radius: 0;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition-fast);
    height: 100%;
}

.domain-card:hover {
    background: rgba(255,255,255,.14);
    transform: translateY(-4px);
}

/* ── Section header avec accent ── */
.research-section-header h2 {
    color: var(--unilu-blue);
    font-weight: 700;
}