/* Overlay */
        .smm-v4-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            z-index: 99998;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .smm-v4-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Container principal */
        .smm-v4-container {
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            width: 95%;
            max-width: 1400px;
            height: calc(100vh - 100px);
            max-height: 700px;
            background: #ffffff;
            border-radius: 16px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
            z-index: 99999;
            display: flex;
            opacity: 0;
            visibility: hidden;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
        }

        .smm-v4-container.active {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        /* ========== SIDEBAR GAUCHE - GRANDS TITRES ========== */
        .smm-v4-sidebar {
            width: 280px;
            background: linear-gradient(180deg, #1a2942 0%, #0a1628 100%);
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            flex-shrink: 0;
        }

        .smm-v4-sidebar-header {
            padding: 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 12px;
            color: #ffffff;
        }

        .smm-v4-sidebar-header i {
            font-size: 24px;
            color: #d4af37;
        }

        .smm-v4-sidebar-header span {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .smm-v4-categories {
            flex: 1;
            overflow-y: auto;
            padding: 12px 0;
        }

        .smm-v4-categories::-webkit-scrollbar {
            width: 6px;
        }

        .smm-v4-categories::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
        }

        .smm-v4-categories::-webkit-scrollbar-thumb {
            background: rgba(212, 175, 55, 0.3);
            border-radius: 3px;
        }

        /* Style des GRANDS TITRES dans le menu vertical */
        .smm-v4-cat {
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.7);
            cursor: pointer;
            transition: all 0.25s ease;
            border-left: 3px solid transparent;
        }

        .smm-v4-cat i:first-child {
            font-size: 18px;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .smm-v4-cat span {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.3;
        }

        .smm-v4-cat .fa-chevron-right {
            font-size: 12px;
            opacity: 0;
            transform: translateX(-5px);
            transition: all 0.25s ease;
        }

        .smm-v4-cat:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
            border-left-color: #d4af37;
        }

        .smm-v4-cat:hover .fa-chevron-right {
            opacity: 1;
            transform: translateX(0);
        }

        .smm-v4-cat.active {
            background: rgba(212, 175, 55, 0.15);
            color: #d4af37;
            border-left-color: #d4af37;
        }

        .smm-v4-cat.active .fa-chevron-right {
            opacity: 1;
            transform: translateX(0);
        }

        /* ========== PANNEAU PRINCIPAL DROIT ========== */
        .smm-v4-main {
            flex: 1;
            display: flex;
            flex-direction: column;
            background: #f8f9fa;
            overflow: hidden;
        }

        .smm-v4-main-header {
            padding: 20px 28px;
            background: #ffffff;
            border-bottom: 1px solid #e9ecef;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-shrink: 0;
        }

        .smm-v4-main-header h3 {
            font-size: 22px;
            font-weight: 700;
            color: #1a2942;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .smm-v4-main-header h3 .tag {
            font-size: 11px;
            background: #e9ecef;
            color: #6c757d;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: normal;
        }

        .smm-v4-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: #f1f3f5;
            color: #495057;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .smm-v4-close:hover {
            background: #e9ecef;
            color: #212529;
            transform: rotate(90deg);
        }

        /* Zone de contenu scrollable */
        .smm-v4-content {
            flex: 1;
            overflow-y: auto;
            padding: 28px;
        }

        .smm-v4-content::-webkit-scrollbar {
            width: 8px;
        }

        .smm-v4-content::-webkit-scrollbar-track {
            background: #e9ecef;
        }

        .smm-v4-content::-webkit-scrollbar-thumb {
            background: #adb5bd;
            border-radius: 4px;
        }

        /* Style des catégories dans le panneau droit */
        .smm-v4-category-block {
            margin-bottom: 32px;
            border-bottom: 1px solid #e9ecef;
            padding-bottom: 20px;
        }

        .smm-v4-category-block:last-child {
            border-bottom: none;
        }

        .smm-v4-category-title {
            font-size: 18px;
            font-weight: 700;
            color: #1a2942;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .smm-v4-category-title a {
            color: #1a2942;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .smm-v4-category-title a:hover {
            color: #d4af37;
        }

        .smm-v4-category-tag {
            font-size: 11px;
            background: #e9ecef;
            color: #6c757d;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: normal;
        }

        .smm-v4-category-desc {
            font-size: 13px;
            color: #6c757d;
            margin-bottom: 12px;
        }

        /* Grille des sous-catégories */
        .smm-v4-subcats {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .smm-v4-subcat {
            background: #ffffff;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: #495057;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .smm-v4-subcat:hover {
            background: #d4af37;
            border-color: #d4af37;
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* Sous-sous-catégories (niveau 3) */
        .smm-v4-grandchildren {
            margin-top: 12px;
            margin-left: 16px;
            padding-left: 16px;
            border-left: 2px solid #d4af37;
        }

        .smm-v4-grandchild-title {
            font-size: 12px;
            font-weight: 600;
            color: #d4af37;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .smm-v4-grandchild-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .smm-v4-grandchild-list a {
            font-size: 12px;
            color: #6c757d;
            text-decoration: none;
            padding: 4px 12px;
            background: #f8f9fa;
            border-radius: 20px;
            transition: all 0.2s ease;
        }

        .smm-v4-grandchild-list a:hover {
            background: #d4af37;
            color: #ffffff;
        }

        /* Lien externe */
        .external-link {
            background: #1a2942;
            color: white !important;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .external-link:hover {
            background: #d4af37 !important;
            color: #1a2942 !important;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .smm-v4-container {
                width: 98%;
                max-height: 650px;
            }
            .smm-v4-sidebar {
                width: 240px;
            }
        }

        @media (max-width: 768px) {
            .smm-v4-container {
                top: 60px;
                width: 100%;
                height: calc(100vh - 60px);
                max-height: none;
                border-radius: 0;
                flex-direction: column;
            }
            .smm-v4-sidebar {
                width: 100%;
                max-height: 180px;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .smm-v4-categories {
                display: flex;
                overflow-x: auto;
                overflow-y: hidden;
                padding: 8px 12px;
                gap: 8px;
            }
            .smm-v4-cat {
                flex-direction: column;
                min-width: 100px;
                padding: 10px;
                text-align: center;
                border-left: none;
                border-bottom: 3px solid transparent;
                gap: 6px;
            }
            .smm-v4-cat.active {
                border-left: none;
                border-bottom-color: #d4af37;
            }
            .smm-v4-cat .fa-chevron-right {
                display: none;
            }
            .smm-v4-main-header {
                padding: 14px 20px;
            }
            .smm-v4-main-header h3 {
                font-size: 18px;
            }
            .smm-v4-content {
                padding: 16px;
            }
        }

        /* ========== GRILLE DE CARTES — 3 colonnes minimum ========== */
        .smm-v4-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .smm-v4-card {
            background: #ffffff;
            border: 1px solid #e9ecef;
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.25s ease;
            box-shadow: 0 1px 4px rgba(0,0,0,0.06);
        }

        .smm-v4-card:hover {
            box-shadow: 0 6px 18px rgba(0,0,0,0.12);
            transform: translateY(-3px);
            border-color: #d4af37;
        }

        .smm-v4-card-link {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px;
            text-decoration: none;
            color: inherit;
        }

        .smm-v4-card-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1a2942 0%, #0a1628 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: #d4af37;
            font-size: 20px;
        }

        .smm-v4-card-body {
            flex: 1;
            min-width: 0;
        }

        .smm-v4-card-name {
            font-size: 12px;
            font-weight: 700;
            color: #1a2942;
            line-height: 1.3;
            margin-bottom: 3px;
        }

        .smm-v4-card:hover .smm-v4-card-name {
            color: #d4af37;
        }

        .smm-v4-card-desc {
            font-size: 11px;
            color: #6c757d;
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .smm-v4-card-subs {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-top: 8px;
            padding-top: 8px;
            border-top: 1px dashed #e9ecef;
        }

        .smm-v4-card-sub {
            display: inline-block;
            font-size: 10px;
            font-weight: 600;
            background: #f0f4f8;
            border: 1px solid #dee2e6;
            border-radius: 20px;
            padding: 3px 10px;
            color: #1a2942;
            text-decoration: none;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .smm-v4-card-sub:hover {
            background: #d4af37;
            border-color: #d4af37;
            color: #ffffff;
            transform: translateY(-1px);
        }

        /* Responsive grille */
        @media (max-width: 1200px) {
            .smm-v4-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .smm-v4-cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Bouton déclencheur */
        .services-trigger-v4 {
            display: inline-block;
            padding: 12px 24px;
            background: #1a2942;
            color: white;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .services-trigger-v4:hover {
            background: #d4af37;
            transform: translateY(-2px);
        }