/* author: André Gomes 01.2026 */
            .TexteAcueilleBas {
                font-size: 150%;
                margin-top: -22vh;
                color: rgb(255, 255, 255);
                font-weight:bold;
            }
            header {
                color:red;
                font-size:90%;
            }
            html,
                
            body {
                width: 100%;
                height: auto;
                margin: 0;
                padding: 0;
                scroll-behavior: smooth;
                color: #000000;
                overflow-x: hidden;
                font-family: arial;
                font-size: clamp(12px, 1.5vw, 18px);

            }

            .video {
                position: fixed;
                inset: 0;
                z-index: -1;
                pointer-events: none;
                opacity: 1;
            }

            #video {
                size: 50%;
                width: 99.8%;
                height: 105%;
                object-fit: cover;
            }

            header {
                background: linear-gradient(to right, white, white);
                opacity: 50%;
                padding: 1px;
            }

            .content {
                z-index: 1;
                padding: 3rem;
                color: rgb(255, 0, 0);
                text-align: center;
                margin-top: -20vh;
                font-weight:bold;
            }

            .intro-content {
                display: flex;
                align-items: flex-start;
                gap: 3rem;
                margin-bottom: 2rem;
            }

            .intro-text {
                flex: 1;
            }

            .intro {
                position: relative;
                z-index: 1;
                padding: 3rem;
                background-color: white;
                margin-top: 100vh;
            }
            .performance {
                position: relative;
                z-index: 1;
                padding: 3rem;
                background-color: black;
            }
            .performance-content {
                letter-spacing: 1px;
                text-align:center;
                align-items: flex-start;
                gap: 3rem;
                margin-bottom: 2rem;
            }
            .performance-text {
                text-align:center;
                color: white;
                size: 150%;
                gap: 8px;
            }

            img {
                max-width: 100%;
                height: auto;
            }
            * {
                box-sizing: border-box;
            }

            .navbar {
                display: flex;
                justify-content: space-between;
                align-items: center;
                background: rgba(0, 0, 0, 0.7);
                padding: 1rem 2rem;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                width: 100%;
                max-width: 100%;
                z-index: 1000;
                overflow-x: hidden;
            }

            .logo {
                color: red;
                font-size: 2rem;
                font-weight: bold;
                white-space: nowrap;
            }

            .menu {
                display: flex;
                flex-wrap: wrap;
                gap: 1.5rem;
            }

            .menu a {
                color: white;
                text-decoration: none;
                font-weight: bold;
                position: relative;
                transition: color 0.3s;
            }

            .menu a:hover {
                color: red;
            }

            .menu a.active {
                color: red;
            }

            .menu a.active::after {
                content: "";
                position: absolute;
                bottom: -5px;
                left: 0;
                width: 100%;
                height: 2px;
                background: red;
            }
            .rouge {
                color: red;
                font-size: 400%;
                letter-spacing: 1px;

            }
            .noir {
                color:black;
                font-size: 400%;
                letter-spacing: 1px;
            }
            .blanc {
                color: white;
                font-size: 400%;
                letter-spacing: 1px;
                margin-right: 4px;

            }
            .intro-text {
                text-align:center;
                color:rgb(68, 68, 68);
                size: 150%;
            }
            .performance-section {
                background-color: black;
                padding: 4rem 2rem;
                text-align: center;
                display: flex;
                justify-content: center;
                gap: 4rem;
                flex-wrap: wrap;
            }

            .performance-box {
                max-width: 200px;
                margin: 0 auto;
            }

            .performance-box svg {
                display: block;
                margin: 0 auto 1rem;
                width: 80px;
                height: 80px;
            }

            .value {
                font-size: 3rem;
                color: red;
                margin: 0;
            }

            .label {
                font-size: 1rem;
                color: gray;
                margin-top: 0.5rem;
            }
            .souvenir-section {
                position: relative;
                background-color: white;
                color: white;
                text-align: center;
                padding: 6rem 7rem;
            }

            .souvenir-title {
                font-size: 2.5rem;
                margin-bottom: 1rem;
                color: black;
            }

            .souvenir-subtitle {
                font-size: 1.2rem;
                color: gray;
                margin-bottom: 2rem;
            }

            .souvenir-buttons {
                display: flex;
                justify-content: center;
                gap: 2rem;
                flex-wrap: wrap;
            }

            .souvenir-button {
                padding: 1rem 2rem;
                font-size: 1rem;
                font-weight: bold;
                text-decoration: none;
                border-radius: 4px;
                transition: background 0.3s ease;
            }

            .souvenir-button.primary {
                background-color: red;
                color: white;
            }

            .souvenir-button.secondary {
                background-color: transparent;
                color: red;
                border: 2px solid red;
            }

            .souvenir-button:hover {
                background-color: darkred;
                color: white;
                }
            .gt3-footer {
                background-color: black;
                color: white;
                padding: 4rem 2rem;
                font-family: sans-serif;
            }

            .footer-top {
                display: flex;
                justify-content: space-between;
                align-items: flex-start;
                flex-wrap: wrap;
                gap: 2rem;
                padding-bottom: 2rem;
                border-bottom: 1px solid rgba(255,255,255,0.2);
            }

            .footer-main {
                flex: 1;
                min-width: 250px;
                text-align: left;
                max-width: 400px;
            }

            .footer-column {
                flex: 1;
                min-width: 150px;
                text-align: left;
            }

            .footer-title {
                color: red;
                font-size: 2.5rem;
                margin-bottom: 1rem;
            }

            .footer-description {
                color: gray;
                font-size: 1.1rem;
                line-height: 1.6;
                margin-bottom: 3rem;
            }

            .footer-column h3 {
                margin-bottom: 1rem;
                font-size: 1.2rem;
                color: white;
            }

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

            .footer-column li {
                margin-bottom: 0.5rem;
            }

            .footer-column a {
                color: white;
                text-decoration: none;
            }

            .footer-column a:hover {
                text-decoration: underline;
            }

            .footer-bottom {
                display: flex;
                justify-content: space-between;
                align-items: center;
                flex-wrap: nowrap;
                border-top: 1px solid rgba(133, 133, 133, 0.2);
            }

            .footer-disclaimer {
                font-size: 0.9rem;
                color: gray;
                margin: 0;
                white-space: nowrap;
            }
            .footer-credit {
                color: gray;
            }
            .rougehistoire {
                color: red;
                font-size: 600%;
                display: flex;
                align-items: center;
                justify-content: center;
                position: static;

            }
            .noirhistoire {
                color: black;
                font-size: 600%;
                display: flex;
                align-items: center;
                justify-content: center;
                position: static;
                margin-top: 125px;

            }
            .TexteHistoireBas {
                color: gray;
                font-size: 150%;
                text-align: center;
            }
            .citation-content {
                display: flex;
                align-items: flex-start;
                gap: 3rem;
                margin-bottom: 2rem;
            }
            .blanc-histoire {
                color: white;
                font-size: 200%;
            }
            .citation-histoire {
                color:red;
                font-size: 650%;
            }
            .ligne-chronologique {
                position: relative;
                max-width: 1100px;
                margin: 80px auto;
                padding: 60px 20px;
            }

            .ligne-chronologique::before {
                content: "";
                position: absolute;
                left: 50%;
                top: 0;
                bottom: 0;
                width: 4px;
                background: #E10600;
                transform: translateX(-50%);
                border-radius: 2px;
            }

            .etape {
                position: relative;
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin: 60px 0;
            }

            .etape.etape-inversee {
                flex-direction: row-reverse;
            }

            .etape::before {
                content: "";
                position: absolute;
                left: 50%;
                top: 50%;
                width: 18px;
                height: 18px;
                background: white;
                border: 4px solid #E10600;
                border-radius: 50%;
                transform: translate(-50%, -50%);
                z-index: 10;
            }

            .etape-texte {
                width: 45%;
            }

            .gauche { text-align: right; }
            .droite { text-align: left; }

            .etape-image {
                width: 45%;
            }

            .etape-image img {
                width: 100%;
                border-radius: 8px;
                box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            }

            @media (max-width: 768px) {

            .ligne-chronologique::before {
                left: 10px;
            }

            .etape {
                flex-direction: column;
                align-items: flex-start;
                padding-left: 30px;
            }

            .etape.etape-inversee {
                flex-direction: column;
            }

            .etape::before {
                left: 10px;
            }

            .etape-texte, .etape-image {
                width: 100%;
                text-align: left;
            }

            .gauche, .droite {
                text-align: left;
            }
            }
            .annee-rouge {
                color:red;
                font-size: 300%;
            }
            .titre-generation {
                font-size: 150%;
            }
            .accueil-button-section {
                position: relative;
                color: white;
                text-align: center;
                padding-top: 0.5rem;
                padding-bottom: 0;
            }

            .accueil-button {
                font-size: 2.5rem;
                margin-bottom: 1rem;
                color: black;
            }

            .accueil-button-subtitle {
                font-size: 1.2rem;
                color: gray;
                margin-bottom: 2rem;
            }

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

            .accueil-button-button {
                padding: 1.5rem 3.5rem;
                font-size: 1rem;
                font-weight: bold;
                text-decoration: none;
                border-radius: 4px;
                transition: background 0.4s ease;
                margin-top: 140px;
            }

            .accueil-button-button.primary {
                background-color: red;
                color: white;
            }

            .accueil-button-button.secondary {
                background-color: transparent;
                color: red;
                border: 2px solid red;
            }

            .accueil-button-button:hover {
                background-color: darkred;
                color: white;
                }
            .histoire-content {
                display: flex;
                gap: 2rem;
            }

            .histoire-text {
                flex: 1;
                flex-wrap: wrap;
            }
            .histoiree-content {
                z-index: 1;
                padding: 8rem;
                text-align: center;
                margin-top: -20vh;
                font-weight:bold;
            }
            .galerie-container {
                padding: 6rem 2rem;
                text-align: center;
            }

            .galerie-content {
                padding: 2rem 0;
            }

            .galerie-grid {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 1.5rem;
                max-width: 1200px;
                margin: auto;
            }

            .galerie-grid img {
                width: 100%;
                height: 220px;
                object-fit: cover;
                border-radius: 10px;
                transition: transform 0.3s ease, box-shadow 0.3s ease;
            }

            .galerie-grid img:hover {
                transform: scale(1.05);
                box-shadow: 0 10px 25px rgba(0,0,0,0.3);
            }
            .galerie-text {
                    font-weight:bold;
            }
            .achat-section {
                padding: 2rem;
                font-family: 'Inter', sans-serif;
                background-color: black;
                padding: 4rem 2rem;
                display: flex;
                gap: 4rem;
                flex-wrap: wrap;
                color:white;
            }
            .achat-gauche {
                text-align: left;
            }

            .achat-title {
                font-size: 2.8rem;
                font-weight: bold;
                color: #E10600;
                margin-bottom: 1.5rem;
            }

            .achat-intro {
                font-size: 1.1rem;
                margin-bottom: 2rem;
                line-height: 1.5;
            }

            .achat-prix p {
                display: flex;
                justify-content: space-between;
                font-size: 1.2rem;
                padding: 0.6rem 0;
                border-bottom: 1px solid #ddd;
                width: 85%;
            }

            .achat-total {
                margin-top: 1.5rem;
                padding-top: 1rem;
                border-top: 3px solid #E10600;
                font-size: 1.3rem;
                font-weight: bold;
                display: flex;
                justify-content: space-between;
                width: 85%;
            }

            .achat-droite h3 {
                color: #E10600;
                font-size: 1.5rem;
                margin: 0;
            }

            .achat-droite p {
                font-size: 1.1rem;
                line-height: 1.6;
                margin: 0;
                color: #1f1e1e;
            }
            .achat-grid {
                display: grid;
                grid-template-columns: 1fr 320px;
                gap: 3rem;
            }

            .achat-droite {
                display: flex;
                justify-content: center;
                align-items: flex-end;
            }

            .achat-image {
                width: 300%;
                height: -25px;
                object-fit: cover;
                box-shadow: 0 4px 18px rgba(0,0,0,0.1);
            }
            .achat-formulaire {
            max-width: 800px;
            margin: 6rem auto;
            padding: 2rem;
            background: #f9f9f9;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            font-family: 'Inter', sans-serif;
            }

            .achat-formulaire h2 {
            font-size: 2.4rem;
            color: #E10600;
            margin-bottom: 1rem;
            }

            .achat-formulaire p {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            }

            .form-interet {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            }

            .form-row {
            display: flex;
            gap: 2rem;
            }

            .form-group {
            flex: 1;
            display: flex;
            flex-direction: column;
            }

            label {
            font-weight: bold;
            margin-bottom: 0.5rem;
            }

            input,
            select,
            textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            }

            button {
            background-color: #E10600;
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s ease;
            }

            button:hover {
            background-color: #c00000;
            }
            .contact-section {
            max-width: 1100px;
            margin: 6rem auto;
            padding: 2rem;
            font-family: 'Inter', sans-serif;
            }

            .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            }

            .contact-info h2 {
            font-size: 2.4rem;
            color: #E10600;
            margin-bottom: 1rem;
            }

            .contact-info h3 {
            margin-top: 2rem;
            font-size: 1.3rem;
            color: #333;
            }

            .contact-details {
            list-style: none;
            padding: 0;
            margin-top: 1rem;
            }

            .contact-details li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
            }

            .detail-icon {
            width: 35px;
            height: 35px;
            }
            .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
            }

            .social-box {
            padding: 0.6rem 1.2rem;
            border: 2px solid #000;
            border-radius: 8px;
            text-decoration: none;
            color: #000;
            font-weight: bold;
            transition: 0.3s ease;
            }

            .social-box:hover {
            background-color: #000;
            color: white;
            }

            /* FORMULAIRE */
            .contact-form h3 {
            font-size: 1.6rem;
            margin-bottom: 1rem;
            }

            .contact-form form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            }

            .contact-form label {
            font-weight: bold;
            }

            .contact-form input,
            .contact-form select,
            .contact-form textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            }

            .contact-form button {
            background-color: #E10600;
            color: white;
            border: none;
            padding: 1rem;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s ease;
            }

            .contact-form button:hover {
            background-color: #c00000;
            }
            .abonnement-section {
            background-color: #000;
            color: white;
            padding: 4rem 2rem;
            text-align: center;
            font-family: 'Inter', sans-serif;
            }
            .abonnement-container {
            max-width: 600px;
            margin: 0 auto;
            }

            .abonnement-section h2 {
            font-size: 2.4rem;
            color: #E10600;
            margin-bottom: 1rem;
            }

            .abonnement-section p {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            }

            .abonnement-form {
            display: flex;
            gap: 1rem;
            justify-content: center;
            }

            .abonnement-form input {
            flex: 1;
            padding: 0.8rem;
            border-radius: 8px;
            border: none;
            font-size: 1rem;
            }

            .abonnement-form button {
            background-color: #E10600;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s ease;
            }

            .abonnement-form button:hover {
            background-color: #c00000;
            }
            .engine-section {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            align-items: center;
            background-color: #fff;
            padding: 60px 80px;
            gap: 60px;
            font-family: "Inter", "Segoe UI", sans-serif;
            }

            .engine-title {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.05;
            margin-bottom: 25px;
            }

            .title-black {
            color: #000;
            }

            .title-red {
            color: #cc0000;
            }

            .engine-intro {
            font-size: 1.05rem;
            line-height: 1.75;
            color: #444;
            margin-bottom: 35px;
            max-width: 520px;
            }

            .engine-specs {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px 50px;
            font-size: 1.05rem;
            color: #222;
            }

            .engine-specs p {
            margin: 0;
            display: flex;
            flex-direction: column;
            }

            .engine-specs span {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: #999;
            margin-bottom: 6px;
            }

            .engine-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px;
            border: 2px solid #ddd;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            }

            .title-black {
            color: #000;
            }

            .title-red {
            color: #cc0000;
            }

            body {
            font-size: 18px;
            }

            @media (max-width: 1024px) {
            body {
                font-size: 16px;
            }
            }

            @media (max-width: 768px) {
            body {
                font-size: 14px;
            }
            }

            @media (max-width: 480px) {
            body {
                font-size: 12px;
            }
            }
            * {
            box-sizing: border-box;
            max-width: 100%;
            }

            @media (max-width: 768px) {
            .aero-image.portrait img {
                max-height: 400px;
                width: 100%;
                height: auto;
            }
            }
            .engine-section {
                display: flex;
                flex-direction: column;
                gap: 30px;
                background-color: #fff;
                padding: 60px 80px;
                font-family: "Inter", "Segoe UI", sans-serif;
            }

            .engine-image img {
                width: 100%;
                height: auto;
                border-radius: 12px;
                border: 2px solid #ddd;
                box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            }
            .engine-text,
            .aero-text {
                text-align: center;
            }

            .engine-specs,
            .aero-specs {
                justify-items: center;
            }
            .accueil-section,
            .histoire-section,
            .specifications-section {
                padding-top: 80px;
            }
            .accueil-content {
                min-height: 100vh;
                display: flex;
                flex-direction: column;
                justify-content: flex-start;
                padding-top: 110px;
                padding-bottom: 0;
            }
            .accueil-title {
                font-size: 8rem;
                font-weight: 700;
                margin: 0;
            }

            .TexteAccueilBas {
                font-size: 1.5rem;
                margin-top: 25px;
                color: white;
            }
            .accueil-text {
                margin-top: 80px;
            }
            @media (max-width: 768px) {
            .accueil-title {
                font-size: 3.5rem; /* plus petit mais toujours impactant */
                text-align: center;
            }

            .TexteAccueilBas {
                font-size: 1.3rem;
                margin-top: 5px;
                color: #f2f2f2; /* reste blanc doux */
                text-align: center;

            }

            .accueil-button-buttons {
                flex-direction: column;   /* les met l’un sous l’autre */
                gap: 3rem;              /* petit espace entre eux */
                align-items: center;
                margin-top: 200px;

            }

            .accueil-button-button {
                width: 90%;               /* largeur uniforme */
                margin: 0;                /* supprime tout espace parasite */
            } 
            
            .navbar {
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 0.8rem;
                padding: 1rem 0;
            }

            .logo {
                font-size: 1.6rem;
            }

            .menu {
                flex-wrap: wrap;
                justify-content: center;
                gap: 0.6rem;
            }

            .menu a {
                font-size: 0.9rem;
                padding: 0.3rem 0.6rem;
            }

            }