* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #000;
    color: #fff;
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
}

header {
    padding: 20px;
    border-bottom: 1px solid #444;
}

.header {
    display: flex;
    align-items: center;
    justify-content: center; /* on centre le groupe */
    gap: 15px;               /* espace entre logos et titre */
    padding: 20px;
    border-bottom: 1px solid #444;
}


.logo img {
    height: 80px;
    width: auto;
}

.photoprofil {
    margin-top: 30px;
    margin-bottom: 30px;
}

.reparation img {
    height: auto;
    width: 400px;
}



.titre {
    text-align: center;
    flex: 0 1 auto; /* empêche de pousser les logos aux extrémités */
}

.photobutton {
    height: auto;
    width: 50px;
}


nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 20px;
    margin-top: 10px;
}


h1 {
    text-align: center;
    margin-bottom: -10px;
    font-size: 50px;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 15px;
    margin-top: 15px;
}

nav a {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid #fff;
    border-radius: 6px;
    color: #fff;
    text-decoration: none;
    font-size: 0.95em;
    transition: 
        background-color 0.3s ease,
        color 0.3s ease,
        transform 0.2s ease;
}

/* Effet au survol */
nav a:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-2px);
}

/* Effet au clic */
nav a:active {
    transform: translateY(0);
}

nav a.active {
    background-color: #fff;
    color: #000;
    cursor: default;
}


main {
    max-width: 900px;
    margin: auto;
    padding: 40px 20px;
}

section {
    margin-bottom: 60px;
}

h2 {
    margin-bottom: 15px;
    border-bottom: 1px solid #444;
    padding-bottom: 5px;
}

.indent{ 
    text-indent: 200px;
}
.indentp{ 
    text-indent: 30px;
}
.modele {
    border: 1px solid #444;
    padding: 15px;
    margin-bottom: 20px;
}

.modele a {
    color: #fff;
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #444;
    font-size: 0.9em;
}

p {
    text-align: justify;
    margin-bottom: 15px;
}

.footer {
    text-align: center;
}

.video-fin {
    text-align: center;
    margin: 60px 0 30px;
}

.bouton-video {
    display: inline-block;
    padding: 12px 22px;
    border: 2px solid #fff;
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.bouton-video:hover {
    background-color: #fff;
    color: #000;
}

.diaporama {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 60px 0;
}

.cadre-photo {
    width: 600px;
    height: 400px;
    border: 2px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cadre-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Flèches */
.fleche {
    background: none;
    border: 2px solid #fff;
    color: #fff;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    cursor: pointer;
    transition: 0.3s;
}

.fleche:hover {
    background-color: #fff;
    color: #000;
}


.liste-modeles {
    max-width: 400px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.modele-carte {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 20px;
    border: 1px solid #fff;
    text-decoration: none;
    color: #fff;
    transition: 0.3s;
}

.modele-carte img {
    width: 200px;
    height: auto;
    object-fit: cover;
}

.modele-carte h3 {
    font-size: 1.8rem;
}

.modele-carte:hover {
    background-color: #fff;
    color: #000;
}

.bouton-retour-modeles {
    display: inline-block;
    margin: 5px auto 25px;
    padding: 12px 22px;
    border: 2px solid #fff;
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
}



/* Effet au survol */
.bouton-retour-modeles:hover {
    background-color: #fff;
    color: #000;
}

/* Grille de photos */
.photo-modeles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.photo-modeles img {
    width: 100%;
    cursor: pointer;
    border: 2px solid #444;
    transition: transform 0.3s, border-color 0.3s;
}

.photo-modeles img:hover {
    transform: scale(1.03);
    border-color: #fff;
}

/* Lightbox */
#lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

#lightbox img {
    max-width: 90%;
    max-height: 90%;
    border: 3px solid #fff;
}