/* Réinitialisation box-sizing uniquement */
        * { box-sizing: border-box; }

        :root {
            --primary: #0f172a;
            --secondary: #1e293b;
            --accent: #d4af37;
            --light: #f8fafc;
            --text: #1e293b;
            --border: #e2e8f0;
            --primary-color: #0f172a;
            --secondary-color: #1e293b;
            --accent-color: #d4af37;
            --text-light: #f8fafc;
            --text-dim: #94a3b8;
            --white: #ffffff;
            --font-heading: 'Playfair Display', serif;
        }

        body {
            font-family: 'Outfit', sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #1a1f3a 100%);
            color: #ffffff;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Scopé au contenu simulateur — ne touche pas navbar ni footer */
        .simulator-layout a,
        .simulator-layout a:visited {
            text-decoration: none;
            color: inherit;
            transition: 0.3s;
        }

        .simulator-layout ul {
            list-style: none;
        }

        /* Header/Nav CSS is in navbar.css */

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .simulator-layout {
            margin: 100px auto 2rem;
            padding: 0 1rem;
        }

        .simulator-layout h1 {
            font-family: 'Playfair Display', serif;
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            color: #d4af37;
            font-weight: 600;
        }

        .subtitle {
            text-align: center;
            color: #94a3b8;
            margin-bottom: 2rem;
            font-size: 1.1rem;
            font-weight: 300;
        }

        .brand-badge {
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .brand-badge .securystar-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #d4af37;
            letter-spacing: 0.2em;
        }

        .brand-badge .brand-tagline {
            color: #b0bac9;
            font-size: 0.9rem;
            font-style: italic;
        }

        /* Category Tabs */
        .category-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .category-tab {
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(30, 41, 59, 0.5);
            color: #94a3b8;
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .category-tab:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.2);
        }

        .category-tab.active {
            background: rgba(212, 175, 55, 0.1);
            border-color: #d4af37;
            color: #d4af37;
            box-shadow: inset 0 0 10px rgba(212, 175, 55, 0.1);
        }

        /* Model Cards */
        .model-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            margin-bottom: 0.9rem;
        }

        .model-card {
            background: rgba(30, 41, 59, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 0.55rem 0.65rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
            min-width: 185px;
            flex: 1 1 185px;
        }

        .model-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.45rem;
            margin-bottom: 0.35rem;
        }

        .model-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: transparent;
            transition: all 0.3s ease;
        }

        .model-card:hover {
            border-color: rgba(255, 255, 255, 0.14);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
            background: rgba(30, 41, 59, 0.58);
        }

        .model-card.active {
            border-color: rgba(212, 175, 55, 0.45);
            background: rgba(30, 41, 59, 0.65);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.22);
        }

        .model-card.active::before {
            background: #d4af37;
        }

        .model-card h3 {
            color: #ffffff;
            font-size: 0.88rem;
            margin: 0;
            font-weight: 600;
            text-align: left;
            line-height: 1.2;
        }

        .model-card .type {
            color: #a9b4c4;
            font-size: 0.66rem;
            text-align: left;
            line-height: 1.25;
            min-height: 0;
            margin-bottom: 0.2rem;
        }

        .model-card .model-meta {
            color: #8f9cb0;
            font-size: 0.58rem;
            text-align: left;
            line-height: 1.25;
        }

        .model-card .color-preview {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            margin: 0;
            border: 2px solid rgba(255, 255, 255, 0.1);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
            flex: 0 0 auto;
        }

        .status-message {
            text-align: center;
            padding: 0.5rem;
            background: rgba(212, 175, 55, 0.1);
            border-left: 4px solid #d4af37;
            margin-bottom: 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        /* 3D Canvas */
        #canvas-container {
            width: 100%;
            height: 600px;
            background: linear-gradient(135deg, #0f172a 0%, #162032 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(0,0,0,0.5);
            margin-bottom: 1rem;
        }

        canvas { display: block; width: 100%; height: 100%; }

        /* Model Info Banner */
        .unified-info-block {
            background: rgba(30, 41, 59, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 12px;
            padding: 0.75rem;
            margin-bottom: 1rem;
            backdrop-filter: blur(10px);
        }

        .model-info-banner {
            background: transparent;
            border: none;
            border-radius: 0;
            padding: 0.1rem 0.1rem 0.55rem 0.1rem;
            margin-bottom: 0.55rem;
            display: flex;
            justify-content: space-around;
            backdrop-filter: none;
        }

        .model-info-banner .info-item {
            text-align: center;
            flex: 1;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0.1rem 0.4rem;
        }
        
        .model-info-banner .info-item:last-child {
            border-right: none;
        }

        .model-info-banner .info-label {
            color: #94a3b8;
            font-size: 0.6rem;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 0.15rem;
            font-weight: 600;
        }

        .model-info-banner .info-value {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.2;
        }
        
        .model-info-banner .info-value .highlight {
            color: #d4af37;
        }

        /* Trust Badges */
        .trust-badges-row {
            display: flex;
            justify-content: center;
            gap: 0.4rem;
            flex-wrap: wrap;
            margin-bottom: 0;
        }

        .trust-badge {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 0.28rem 0.58rem;
            transition: all 0.3s ease;
        }
        
        .trust-badge:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .trust-badge .icon {
            font-size: 0.78rem;
            opacity: 0.9;
        }

        .trust-badge .text {
            color: #e2e8f0;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.1px;
        }

        /* Controls Panel */
        .controls-panel {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: rgba(26, 31, 58, 0.8);
            border: 2px solid #d4af37;
            border-radius: 8px;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: 2px solid #d4af37;
            background: linear-gradient(135deg, #d4af37, #e8c547);
            color: #0f172a;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
        }

        .btn.secondary {
            background: transparent;
            color: #d4af37;
        }

        .btn.secondary:hover {
            background: rgba(212, 175, 55, 0.1);
        }

        .btn.secondary.active {
            background: rgba(212, 175, 55, 0.2);
            border-color: #d4af37;
            color: #d4af37;
            box-shadow: 0 0 10px rgba(212, 175, 55, 0.25), inset 0 0 8px rgba(212, 175, 55, 0.1);
        }

        .tool-btn {
            background: transparent;
            color: #94a3b8;
            border: none;
            border-radius: 6px;
            padding: 0.45rem 0.8rem;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .tool-btn:hover:not(:disabled) {
            color: #f8fafc;
            background: rgba(255, 255, 255, 0.08);
        }

        .tool-btn.active {
            color: #d4af37;
            background: rgba(212, 175, 55, 0.12);
            font-weight: 600;
        }

        .tool-btn:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }

        .annotation-label {
            position: absolute;
            pointer-events: auto;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            background: rgba(15, 23, 42, 0.92);
            border: 1px solid rgba(212, 175, 55, 0.4);
            border-radius: 5px;
            max-width: 165px;
            transition: all 0.2s ease;
            backdrop-filter: blur(6px);
        }
        .annotation-label:hover {
            border-color: #d4af37;
            background: rgba(212, 175, 55, 0.15);
            box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
            transform: scale(1.05);
        }
        .annotation-label .ann-title {
            color: #d4af37;
            font-size: 0.65rem;
            font-weight: 700;
            line-height: 1.15;
            white-space: nowrap;
        }
        .annotation-label .ann-desc {
            color: #b0bac9;
            font-size: 0.55rem;
            font-weight: 400;
            line-height: 1.15;
            margin-top: 1px;
        }
        .annotation-dot {
            position: absolute;
            width: 6px;
            height: 6px;
            background: #d4af37;
            border-radius: 50%;
            pointer-events: none;
            box-shadow: 0 0 4px rgba(212, 175, 55, 0.5);
        }
        @keyframes annPulse {
            0%, 100% { box-shadow: 0 0 6px rgba(212,175,55,0.6); transform: scale(1); }
            50% { box-shadow: 0 0 12px rgba(212,175,55,0.9); transform: scale(1.3); }
        }

        /* Accordion Panels (Left/Right inside Canvas) */
        .accordion-panel {
            background: rgba(30, 41, 59, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            backdrop-filter: blur(10px);
            margin-bottom: 0.3rem;
        }

        .accordion-header {
            padding: 0.6rem 0.8rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.03);
            transition: background 0.3s ease;
        }
        
        .accordion-header:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .accordion-header-title {
            font-size: 0.75rem;
            font-weight: 600;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .accordion-arrow {
            font-size: 0.7rem;
            color: #94a3b8;
            transition: transform 0.3s;
        }

        .accordion-body {
            padding: 0.5rem 0.8rem;
            background: rgba(15, 23, 42, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .accordion-body-desc {
            color: #94a3b8;
            text-align: center;
            font-size: 0.65rem;
            line-height: 1.3;
            margin-top: 0.5rem;
        }

        /* Accordion Buttons */
        .acc-btn {
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.03);
            color: #94a3b8;
            font-weight: 600;
            font-size: 0.75rem;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            margin-bottom: 0.4rem;
        }
        
        .acc-btn:last-child {
            margin-bottom: 0;
        }

        .finition-btn,
        .surface-btn {
            width: auto;
            flex: 1;
            margin-bottom: 0;
            padding: 0.35rem 0.45rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .acc-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        .acc-btn.active {
            background: rgba(212, 175, 55, 0.15);
            border-color: #d4af37;
            color: #d4af37;
            box-shadow: inset 0 0 8px rgba(212, 175, 55, 0.2);
        }

        /* Info Panel */
        .info-panel {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border: 2px solid #d4af37;
            border-radius: 8px;
            padding: 1.5rem;
            max-width: 380px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
            display: none;
            z-index: 50;
            animation: slideIn 0.3s ease;
        }

        .info-panel.active { display: block; }

        @keyframes slideIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .info-panel h3 {
            color: #d4af37;
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .info-panel p {
            color: #b0bac9;
            margin-bottom: 0.8rem;
            font-size: 0.85rem;
            line-height: 1.5;
        }

        .info-panel .tech-detail {
            color: #8b95a5;
            font-size: 0.8rem;
            font-style: italic;
            border-top: 1px solid rgba(212,175,55,0.2);
            padding-top: 0.5rem;
            margin-top: 0.5rem;
        }

        .security-level {
            color: #d4af37;
            font-weight: bold;
        }

        .close-info {
            position: absolute;
            top: 10px;
            right: 10px;
            background: none;
            border: none;
            color: #d4af37;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Component Toggles */
        .component-toggles {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.6rem;
            margin-top: 0.8rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            width: 100%;
        }

        .toggle-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.03);
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.2s ease;
        }

        .toggle-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .toggle-item input[type="checkbox"] {
            width: 16px;
            height: 16px;
            cursor: pointer;
            accent-color: #d4af37;
            margin: 0;
        }

        .toggle-item label {
            cursor: pointer;
            user-select: none;
            font-size: 0.85rem;
            color: #cbd5e1;
            font-weight: 500;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
            border: 2px solid #d4af37;
            border-radius: 8px;
            padding: 3rem 1.5rem;
            text-align: center;
            margin-bottom: 2rem;
        }

        .cta-section h2 {
            font-size: 2rem;
            color: #d4af37;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: #b0bac9;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .cta-buttons a {
            padding: 1rem 2rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .cta-call {
            background: linear-gradient(135deg, #d4af37, #e8c547);
            color: #0f172a;
            border: 2px solid #d4af37;
        }

        .cta-call:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
        }

        .cta-whatsapp {
            background: #25d366;
            color: white;
            border: 2px solid #25d366;
        }

        .cta-whatsapp:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
        }

        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25d366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            text-decoration: none;
            box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
            transition: all 0.3s ease;
            z-index: 99;
        }

        .whatsapp-btn:hover {
            transform: scale(1.1);
        }

        /* Note: footer styles are handled by navbar.css .footer class */

        .step-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.2);
            border: 2px solid #d4af37;
            transition: all 0.3s ease;
        }

        .step-dot.active {
            background: #d4af37;
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
        }

        .step-dot.done {
            background: #4ade80;
            border-color: #4ade80;
        }

        /* GLB Loading Spinner */
        .glb-loader-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 1;
            transition: opacity 0.4s ease;
            pointer-events: auto;
        }

        .glb-loader-overlay.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .glb-loader-overlay::before {
            content: '';
            width: 50px;
            height: 50px;
            border: 4px solid rgba(212, 175, 55, 0.3);
            border-top-color: #d4af37;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        @keyframes devisPulse {
            0%, 100% { box-shadow: 0 2px 12px rgba(39,174,96,0.4); }
            50% { box-shadow: 0 2px 25px rgba(39,174,96,0.7); }
        }

        @keyframes slideUp {
            from { transform: translateX(-50%) translateY(30px); opacity: 0; }
            to { transform: translateX(-50%) translateY(0); opacity: 1; }
        }

        /* Responsive solutions cards */
        @media (max-width: 768px) {
            #solutionsCards {
                grid-template-columns: 1fr !important;
            }
        }

        /* Modal Devis */
        .devis-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.8);
            backdrop-filter: blur(6px);
            z-index: 10001;
            justify-content: center;
            align-items: center;
        }
        .devis-overlay.active { display: flex; }
        .devis-modal {
            background: linear-gradient(145deg, #1a1f3a, #0f172a);
            border: 2px solid #d4af37;
            border-radius: 16px;
            padding: 2rem;
            max-width: 520px;
            width: 90%;
            box-shadow: 0 20px 60px rgba(0,0,0,0.5);
            position: relative;
        }
        .devis-modal h3 {
            color: #d4af37;
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
            text-align: center;
        }
        .devis-config-summary {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(212,175,55,0.3);
            border-radius: 10px;
            padding: 1rem;
            margin: 1rem 0;
            font-size: 0.85rem;
            color: #b0bac9;
            line-height: 1.8;
        }
        .devis-config-summary strong { color: #d4af37; }
        .devis-buttons {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.2rem;
        }
        .devis-buttons a, .devis-buttons button {
            flex: 1;
            padding: 0.9rem 1rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            cursor: pointer;
            border: none;
            transition: all 0.3s;
        }
        .devis-btn-whatsapp {
            background: linear-gradient(135deg, #25D366, #128C7E);
            color: #fff;
        }
        .devis-btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
        .devis-btn-email {
            background: linear-gradient(135deg, #d4af37, #b8972e);
            color: #0f172a;
        }
        .devis-btn-email:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,175,55,0.4); }
        .devis-close {
            position: absolute;
            top: 0.8rem; right: 1rem;
            background: none; border: none;
            color: #8b95a5; font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.3s;
        }
        .devis-close:hover { color: #fff; }
        .devis-note {
            text-align: center;
            color: #8b95a5;
            font-size: 0.75rem;
            margin-top: 1rem;
        }

        /* === Vue en Coupe Styles === */
        .coupe-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            z-index: 9500;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .coupe-overlay.active {
            display: flex;
            opacity: 1;
        }
        .coupe-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1a1f3a 100%);
            border: 2px solid #d4af37;
            border-radius: 12px;
            padding: 2rem;
            max-width: 600px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 40px rgba(212, 175, 55, 0.2);
        }
        .coupe-close {
            position: absolute;
            top: 1rem; right: 1rem;
            background: none;
            border: none;
            color: #d4af37;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.3s;
        }
        .coupe-close:hover { color: #fff; }
        .coupe-title {
            text-align: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: #d4af37;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }
        .coupe-subtitle {
            text-align: center;
            font-size: 0.85rem;
            color: #b0bac9;
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        .coupe-diagram {
            margin: 1.5rem 0;
        }
        .coupe-layer {
            display: flex;
            align-items: center;
            margin-bottom: 0.8rem;
            opacity: 0;
            animation: slideInCoupe 0.6s ease forwards;
        }
        @keyframes slideInCoupe {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        .coupe-layer-bar {
            flex: 1;
            height: 40px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.75rem;
            color: #fff;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }
        .coupe-layer-bar::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(90deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%, rgba(0,0,0,0.1) 100%);
            pointer-events: none;
        }
        .coupe-layer-label {
            width: 130px;
            margin-left: 1rem;
            font-size: 0.8rem;
            color: #b0bac9;
            text-align: left;
        }
        .coupe-layer-thickness {
            color: #d4af37;
            font-weight: 700;
            font-size: 0.75rem;
        }
        .coupe-total {
            text-align: center;
            margin-top: 1.5rem;
            padding-top: 1rem;
            border-top: 2px solid #d4af37;
            font-size: 1rem;
            font-weight: 700;
            color: #d4af37;
        }
        .coupe-total-value {
            font-size: 1.3rem;
            color: #fff;
            margin-top: 0.5rem;
        }
        .coupe-specs {
            background: rgba(212, 175, 55, 0.08);
            border-left: 3px solid #d4af37;
            padding: 1rem;
            margin-top: 1.5rem;
            border-radius: 6px;
            font-size: 0.8rem;
            color: #b0bac9;
            line-height: 1.6;
        }
        .coupe-specs strong {
            color: #d4af37;
        }

        @media (max-width: 768px) {
            h1 { font-size: 1.8rem; }
            /* nav responsive handled by navbar.css */
            #canvas-container { height: 400px; }
            .model-cards {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 0.35rem;
                scroll-snap-type: x mandatory;
            }
            .model-card {
                min-width: 170px;
                flex: 0 0 170px;
                scroll-snap-align: start;
            }
            .model-info-banner { grid-template-columns: 1fr; }
            .controls-panel { flex-direction: column; }
            .btn { width: 100%; text-align: center; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons a { width: 100%; }
            .devis-modal { padding: 1.2rem; }
            .devis-buttons { flex-direction: column; }
            .devis-buttons a { width: 100%; }
            #btnDevis { font-size: 0.8rem; padding: 0.4rem 0.8rem; }
            .coupe-panel { padding: 1.5rem; max-width: 95%; }
            .coupe-title { font-size: 1.2rem; }
            .coupe-layer-label { width: 100px; font-size: 0.7rem; }
        }

        /* Bulle WhatsApp flottante */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 9999;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #25D366;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            animation: whatsappBounce 2s infinite;
        }
        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7);
        }
        .whatsapp-float img {
            width: 35px;
            height: 35px;
        }
        @keyframes whatsappBounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .whatsapp-float:hover { animation: none; transform: scale(1.1); }

        @media (max-width: 768px) {
            .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
            .whatsapp-float img { width: 30px; height: 30px; }
        }

        /* Démo Effraction */
        .effraction-overlay {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: linear-gradient(135deg, rgba(30,10,10,0.95), rgba(50,15,15,0.95));
            border: 1px solid rgba(220,38,38,0.5);
            border-radius: 16px;
            padding: 18px 28px;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 20px rgba(220,38,38,0.15);
            backdrop-filter: blur(10px);
            animation: tourSlideUp 0.5s ease;
        }
        .effraction-overlay h3 {
            color: #ef4444;
            font-size: 1.1rem;
            margin: 0 0 6px 0;
            font-family: 'Playfair Display', serif;
        }
        .effraction-overlay.resiste h3 {
            color: #22c55e;
        }
        .effraction-overlay p {
            color: #cbd5e1;
            font-size: 0.85rem;
            margin: 0 0 12px 0;
            line-height: 1.45;
        }
        .effraction-badge {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0);
            z-index: 1001;
            background: rgba(34,197,94,0.95);
            color: #fff;
            font-size: 2rem;
            font-weight: 900;
            padding: 20px 40px;
            border-radius: 16px;
            border: 3px solid #4ade80;
            box-shadow: 0 0 60px rgba(34,197,94,0.5);
            animation: badgeAppear 0.6s ease forwards;
            pointer-events: none;
            font-family: 'Playfair Display', serif;
        }
        @keyframes badgeAppear {
            0% { transform: translate(-50%, -50%) scale(0) rotate(-10deg); opacity: 0; }
            60% { transform: translate(-50%, -50%) scale(1.15) rotate(2deg); opacity: 1; }
            100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); opacity: 1; }
        }
        /* === BADGE A2P ANIMÉ === */
        .a2p-badge-container {
            position: absolute;
            bottom: 10px;
            right: 10px;
            z-index: 12;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.3rem;
            pointer-events: none;
            background: rgba(15,23,42,0.92);
            border: 2px solid #d4af37;
            border-radius: 10px;
            padding: 0.4rem 0.5rem;
            box-shadow: 0 0 15px rgba(212,175,55,0.3);
            animation: a2pGlow 2s ease-in-out infinite alternate;
            max-width: 160px;
        }
        .a2p-shield {
            position: relative;
            width: 40px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: a2pFloat 3s ease-in-out infinite;
        }
        .a2p-shield svg {
            width: 100%;
            height: 100%;
            filter: drop-shadow(0 0 6px rgba(212,175,55,0.6));
        }
        .a2p-shield-text {
            position: absolute;
            top: 48%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-family: 'Playfair Display', serif;
            font-size: 0.55rem;
            font-weight: 900;
            color: #0f172a;
            text-align: center;
            line-height: 1.1;
            pointer-events: none;
        }
        .a2p-shield-text .bp-level {
            font-size: 0.7rem;
            color: #7c2d12;
            display: block;
        }
        .a2p-certif-labels {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.15rem;
        }
        .a2p-certif-label {
            background: none;
            border: none;
            border-radius: 0;
            padding: 0;
            font-size: 0.5rem;
            font-weight: 700;
            color: #d4af37;
            white-space: normal;
            text-align: center;
            line-height: 1.3;
            word-break: break-word;
        }
        @keyframes a2pFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-3px); }
        }
        @keyframes a2pGlow {
            0% { box-shadow: 0 0 8px rgba(212,175,55,0.2); border-color: rgba(212,175,55,0.5); }
            100% { box-shadow: 0 0 18px rgba(212,175,55,0.5); border-color: rgba(212,175,55,0.9); }
        }
        @keyframes canvasShake {
            0%, 100% { transform: translateX(0); }
            10% { transform: translateX(-4px) translateY(2px); }
            20% { transform: translateX(4px) translateY(-1px); }
            30% { transform: translateX(-3px) translateY(1px); }
            40% { transform: translateX(3px) translateY(-2px); }
            50% { transform: translateX(-2px); }
            60% { transform: translateX(2px); }
        }

        /* Tour de Sécurité */
        .tour-overlay {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: linear-gradient(135deg, rgba(15,23,42,0.95), rgba(30,41,59,0.95));
            border: 1px solid rgba(212,175,55,0.5);
            border-radius: 16px;
            padding: 18px 28px;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 20px rgba(212,175,55,0.15);
            backdrop-filter: blur(10px);
            animation: tourSlideUp 0.5s ease;
        }
        @keyframes tourSlideUp {
            from { opacity: 0; transform: translateX(-50%) translateY(30px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }
        .tour-overlay h3 {
            color: #d4af37;
            font-size: 1.1rem;
            margin: 0 0 6px 0;
            font-family: 'Playfair Display', serif;
        }
        .tour-overlay p {
            color: #cbd5e1;
            font-size: 0.85rem;
            margin: 0 0 12px 0;
            line-height: 1.45;
        }
        .tour-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
        }
        .tour-controls button {
            background: rgba(212,175,55,0.15);
            border: 1px solid rgba(212,175,55,0.4);
            color: #d4af37;
            padding: 6px 16px;
            border-radius: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .tour-controls button:hover {
            background: rgba(212,175,55,0.3);
        }
        .tour-controls .tour-close {
            background: rgba(220,38,38,0.2);
            border-color: rgba(220,38,38,0.4);
            color: #fca5a5;
        }
        .tour-controls .tour-close:hover {
            background: rgba(220,38,38,0.4);
        }
        .tour-progress {
            color: #8b95a5;
            font-size: 0.75rem;
            font-weight: 600;
            min-width: 40px;
            text-align: center;
        }

        /* Footer Alignment Fix */
        .footer {
            text-align: left;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            text-align: left;
        }
        .footer-info, .footer-links {
            text-align: left;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* Buttons slightly squarer across simulator page */
        button,
        .btn,
        .tool-btn,
        .acc-btn,
        .tour-controls button {
            border-radius: 6px !important;
        }