body {
        display: flex;
        margin: 0;
        font-family: Arial, sans-serif;
        background-color: #141414;
        color: #fff;
        flex-direction: column;
    }
    
    .section {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .section.visible {
        opacity: 1;
        transform: translateY(0);
    }
    
    .header {
        display: flex;
        z-index: 1000;
        justify-content: space-between;
        align-items: center;
        height: 70px;
        background-color: #141414;
        position: fixed;
        width: 100%;
        top: 0;
        text-align: right;
        padding: 0 20px;
        box-shadow: 0 4px 8px #3131314d;
        transition: box-shadow 0.7s ease-in-out;
    }
    
    .header.scrolled {
        box-shadow: 0 4px 28px #ffc0cbcc;
    }
    
    .header-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }
    
    .name-mobile {
        display: none;
    }
    
    .bottom-space {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 10px;
        background-color: #1a1a1a;
    }
    
    .intro-animation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        background-color: #141414;
        z-index: 1000;
    }
    
    .logo-container {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    
    .logo-part {
        font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
        font-size: 5rem;
        font-weight: bold;
        color: #fff;
        z-index: 2;
        transition: transform 1s ease, opacity 0.5s ease;
    }
    
    .logo-part.left {
        transform-origin: right center;
    }
    
    .logo-part.right {
        transform-origin: left center;
    }
    
    .intro-animation.hidden .logo-part.left {
        transform: translateX(-100%) rotateY(90deg);
    }
    
    .intro-animation.hidden .logo-part.right {
        transform: translateX(100%) rotateY(90deg);
    }
    
    .intro-animation.hidden {
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.5s ease 1s;
    }
    
    .main-content {
        opacity: 0;
        transition: opacity 1s ease 0.5s;
    }
    
    .main-content.visible {
        opacity: 1;
    }
    
    .main-content h1 {
        color: #ffc0cb;
        text-align: center;
        margin-top: 20%;
    }
    
    .presentation .intro-section {
        position: relative;
        overflow: hidden;
    }
    
    .intro {
        opacity: 0;
        transform: translateY(50px);
        animation: slideIn 1s forwards;
        animation-delay: 0.5s;
    }
    
    @keyframes slideIn {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes fadeIn {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
        color: #fff;
    }
    
    .nav-links {
        display: flex;
        gap: 10px;
        justify-content: right;
        transform: translateX(-40px);
        list-style: none;
        margin: 0;
        margin-right: -30px;
        padding: 0;
    }
    
    .nav-links li {
        margin: 0 30px;
        display: inline-block;
    }
    
    .nav-links a {
        text-decoration: none;
        color: #fff;
        font-size: 35px;
        transition: color 0.3s ease, font-size 0.3s ease;
    }
    
    .nav-links a:hover {
        color: #ffb6c1;
        font-size: 45px;
    }
    
    .portfolio {
        flex-direction: column;
        margin-top: 6px;
        margin-right: 50px;
        text-decoration: none;
    }
    
    .portfolio-link {
        margin-top: -20px;
        color: #fff;
        font-size: 20px;
        text-shadow: 0 4px 8px rgba(17, 17, 17, 0.3);
        font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    }
    
    .portfolio-img {
        width: 50px;
        height: auto;
        display: block;
        border-radius: 16px;
        margin-right: 15px;
        transition: 0.3s;
    }
    
    .portfolio-img:hover {
        transform: scale(1.2);
    }
    /* galerie -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
    
    .cartes {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        justify-items: center;
        gap: 50px;
        margin-top: 80px;
        perspective: 1000px;
        padding: 0 80px;
    }
    
    .gallery h2 {
        font-size: 28px;
        margin-top: 110px;
        margin-bottom: -5px;
        text-align: center;
        font-family: 'Cambria', serif;
        color: #ffffff;
        position: relative;
        text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }
    
    .gallery h2::after {
        content: '';
        display: block;
        width: 80px;
        height: 3px;
        background-color: #ffc0cb;
        margin: 10px auto 0;
        border-radius: 2px;
    }
    
    .sous-titre {
        margin-top: 90px;
        margin-bottom: -40px;
        font-size: 20px;
        font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
        text-align: center;
    }
    
    .sous-titre::after {
        content: '';
        display: block;
        width: 40px;
        height: 1.5px;
        background-color: #ffc0cb;
        margin: 5px auto 0;
        border-radius: 2px;
    }
    
    .carte {
        width: 18.75rem;
        height: 25rem;
        border-radius: 0.625rem;
        overflow: hidden;
        transform-style: preserve-3d;
        transition: transform 0.2s ease, box-shadow 0.3s ease;
        position: relative;
        box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.2);
    }
    
    .carte img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.2s ease;
    }
    
    .carte:hover {
        cursor: pointer;
        transform: scale(1.04);
        z-index: 1;
        box-shadow: 0 0.320rem 1rem #4f3c40;
    }
    /*lightbox------------------------------------------------------------------------------------------------------------------------------------*/
    
    .lightbox-wrapper {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100vh;
        width: 100vw;
        padding: 20px;
        box-sizing: border-box;
        position: relative;
    }
    
    .lightbox-content {
        position: relative;
        max-width: 90%;
        max-height: 90%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .lightbox-content img {
        max-width: 100%;
        max-height: 80vh;
        border-radius: 10px;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .lightbox-controls {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 20px;
        padding: 0 30px;
    }
    
    .lightbox-controls button {
        background-color: #ca7f8d70;
        border: solid 1px #f7edf0;
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        padding: 10px 30px;
        border-radius: 8px;
        cursor: pointer;
        font-size: 1.5rem;
        color: #fff;
        transition: background 0.3s ease;
    }
    
    .lightbox-controls button:hover {
        background-color: #ca7f8d7f;
    }
    
    #close {
        position: absolute;
        top: -15px;
        right: -15px;
        width: 45px;
        height: 45px;
        background: #ca7f8d61;
        background: #ca7f8d61;
        border: 1px solid #fff;
        border-radius: 50%;
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        color: white;
        font-size: 1.6rem;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background 0.3s, transform 0.3s;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        z-index: 9999;
    }
    /* footer ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
    
    footer {
        position: static;
        margin-top: 50px;
        bottom: 0;
        height: 70px;
        display: flex;
        justify-content: center;
        align-items: center;
        left: 0;
        width: 100%;
        background-color: #121212;
        box-shadow: 0 4px 10px #44444484;
        color: white;
        text-align: center;
        padding: 10px 0;
    }
    
    .insta-link,
    .linkedin-link {
        outline: none;
        text-decoration: none;
        display: inline-block;
        vertical-align: middle;
    }
    
    .logo-reseaux {
        width: 40px;
        height: auto;
        margin-right: 3px;
        transition: transform 0.3s ease;
        vertical-align: middle;
    }
    
    .logo-insta {
        width: 60px;
    }
    
    .logo-linkedin {
        width: 42px;
    }
    
    .logo-reseaux:hover {
        transform: scale(1.2);
    }
    /* media cury ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
    
    @media (max-width: 768px) {
        /* galery-----------------------------------*/
        .gallery {
            grid-template-columns: 1fr;
        }
        .portfolio {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .portfolio-link {
            margin-left: 35px;
        }
    }