/* ==============================================
   C FORMATIONS UGB
   ============================================== */

/* Variables CSS de base (au cas où elles manquent) */
:root {
    --ugb-primary: #b55d2d;
    --ugb-secondary: #b55d2d;
    --ugb-accent: #06B6D4;
    --ugb-orange: #F59E0B;
    --ugb-white: #ffffff;
    --ugb-light-gray: #F8FAFC;
    --ugb-light-blue: #EFF6FF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --border-color: #E2E8F0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-2xl: 20px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-primary: 0 4px 14px 0 rgb(181 93 45 / 0.15);
    --shadow-orange: 0 4px 14px 0 rgb(245 158 11 / 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Section principale */
.formations-section {
    padding: 4rem 0;
    background: var(--ugb-light-gray);
}

/* Header section */
.formations-section .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.formations-section .section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
}

.formations-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--ugb-orange), var(--ugb-accent));
    border-radius: 2px;
}

.formations-section .section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Statistiques */
.formations-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.formations-stats .stat-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--ugb-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.formations-stats .stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ugb-orange), var(--ugb-accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.formations-stats .stat-item:hover::before {
    transform: scaleX(1);
}

.formations-stats .stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.formations-stats .stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--ugb-primary);
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.formations-stats .stat-item:hover .stat-number {
    transform: scale(1.1);
    color: var(--ugb-orange);
}

.formations-stats .stat-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Filtres */
.formations-filters {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 3rem;
    background: var(--ugb-white);
    border-radius: var(--border-radius-2xl);
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: 0.9rem;
    white-space: nowrap;
}

.filter-btn.active {
    background: var(--ugb-primary);
    color: var(--ugb-white);
    box-shadow: var(--shadow-primary);
}

.filter-btn:hover:not(.active) {
    background: var(--ugb-light-gray);
    color: var(--ugb-primary);
}

/* Grille UFR */
.ufr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.ufr-card {
    background: var(--ugb-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.ufr-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ugb-orange), var(--ugb-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.ufr-card:hover::before {
    transform: scaleX(1);
}

.ufr-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--ugb-primary);
}

/* Header UFR */
.ufr-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.ufr-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--ugb-light-blue), rgba(181, 93, 45, 0.1));
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--ugb-primary);
    border: 2px solid rgba(181, 93, 45, 0.1);
    transition: var(--transition);
}

.ufr-card:hover .ufr-icon {
    transform: scale(1.1);
    background: var(--ugb-primary);
    color: var(--ugb-white);
    border-color: var(--ugb-primary);
    box-shadow: var(--shadow-primary);
}

.ufr-badge {
    background: var(--ugb-orange);
    color: var(--ugb-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-2xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Titre UFR */
.ufr-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
    transition: var(--transition);
}

.ufr-card:hover .ufr-title {
    color: var(--ugb-primary);
}

.ufr-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Liste formations */
.formations-list {
    margin-bottom: 1.5rem;
}

.formations-list h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.formations-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.formations-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.formations-list li:last-child {
    border-bottom: none;
}

.formation-level {
    background: var(--ugb-light-blue);
    color: var(--ugb-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-2xl);
    font-size: 0.75rem;
    font-weight: 500;
    min-width: 70px;
    text-align: center;
    flex-shrink: 0;
}

/* Stats UFR */
.ufr-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--ugb-light-gray);
    border-radius: var(--border-radius);
}

.ufr-stats .stat {
    text-align: center;
    flex: 1;
}

.ufr-stats .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ugb-primary);
}

.ufr-stats .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Actions UFR */
.ufr-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Boutons */
.btn-primary {
    background: var(--ugb-primary);
    color: var(--ugb-white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
    justify-content: center;
    flex: 1;
    min-width: 120px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--ugb-white);
    background: var(--ugb-orange);
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: var(--ugb-primary);
    border: 2px solid var(--ugb-primary);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    justify-content: center;
    flex: 1;
    min-width: 120px;
}

.btn-outline:hover {
    color: var(--ugb-white);
    background: var(--ugb-primary);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Instituts */
.instituts-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.instituts-section .section-subtitle {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.instituts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.institut-card {
    background: var(--ugb-white);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.institut-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.institut-icon {
    width: 60px;
    height: 60px;
    background: var(--ugb-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ugb-white);
    font-size: 1.25rem;
    margin: 0 auto 1rem;
}

.institut-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.institut-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.institut-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.institut-card li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    position: relative;
    padding-left: 1rem;
}

.institut-card li::before {
    content: "•";
    color: var(--ugb-primary);
    position: absolute;
    left: 0;
}

/* CTA */
.formations-cta {
    background: var(--ugb-primary);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    text-align: center;
    color: var(--ugb-white);
    margin-top: 4rem;
}

.formations-cta h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.formations-cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.formations-cta .btn-primary {
    background: var(--ugb-white);
    color: var(--ugb-primary);
}

.formations-cta .btn-primary:hover {
    background: var(--ugb-light-gray);
    color: var(--ugb-primary);
}

.formations-cta .btn-outline {
    border-color: var(--ugb-white);
    color: var(--ugb-white);
}

.formations-cta .btn-outline:hover {
    background: var(--ugb-white);
    color: var(--ugb-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .formations-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .ufr-grid {
        grid-template-columns: 1fr;
    }
    
    .ufr-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .ufr-actions {
        flex-direction: column;
    }
    
    .instituts-grid {
        grid-template-columns: 1fr;
    }
}