:root {
    --background-color: #f8f9fa;
    --background-section: #f8f9fa;
    --text-color: #333;
    --title-color: #222;
    --subtitle-color: #444;
    --muted-text: #666;
    --link-color: #3060d0;
    --primary-color: #3060d0;
    --primary-hover: #254db9;
    --card-bg: white;
    --card-shadow: rgba(0, 0, 0, 0.05);
    --border-color: #ddd;
    --footer-bg: #333;
    --footer-text: #aaa;
    --footer-title: white;
    --button-text: white;
    --tag-bg: #e0e8ff;
    --tech-bg: white;
    --box-shadow: rgba(0, 0, 0, 0.15);
    --solid-border: white;
    --header-bg: #fff;
    --header-shadow: rgba(0, 0, 0, 0.1);
    --nav-link: #555;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--header-bg);
    box-shadow: 0 2px 5px var(--header-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar .nom {
    display: flex;
    align-items: baseline;
    gap: 15px;
}

.navbar .nom h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0;
    font-family: 'Arial', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.navbar .nom p {
    font-size: 1rem;
    color: var(--muted-text);
    font-style: italic;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--nav-link);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

nav ul li a:hover, 
nav ul li a.active {
    color: var(--primary-color);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 90px;
    margin-top: -50px;
}

.section-accueil {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--background-section);
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--card-shadow);
}

.titre-section {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    color: var(--title-color);
}

.titre-section::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.presentation {
    max-width: 600px;
}

.presentation h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.presentation h2::after {
    content: '';
    position: absolute;
    width: 70%;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 0;
}

.nom-highlight {
    color: var(--primary-color);
    font-weight: 700;
}

.presentation p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-color);
}

.boutons {
    display: flex;
    gap: 15px;
}

.bouton {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.primaire {
    background-color: var(--primary-color);
    color: var(--button-text);
    border: 1px solid var(--primary-color);
}

.primaire:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.secondaire {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.secondaire:hover {
    background-color: var(--primary-color);
    color: var(--button-text);
}

.image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

.image-container img {
    max-width: 60%;
    height: auto;
    border-radius: 50%;
    box-shadow: 0 8px 20px var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 5px solid var(--solid-border);
    z-index: 1;
}

.contenu-apropos {
    display: flex;
    gap: 50px;
}

.texte-apropos {
    flex: 2;
}

.texte-apropos h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: #3060d0;
}

.texte-apropos p {
    margin-bottom: 15px;
}

.parcours {
    margin: 20px 0;
}

.etape {
    margin-bottom: 20px;
}

.etape h4 {
    color: #3060d0;
    margin-bottom: 5px;
}

.competences {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 20px;
}

.categorie {
    flex: 1;
    min-width: 200px;
}

.categorie h4 {
    margin-bottom: 10px;
    color: #444;
}

.categorie ul {
    list-style-type: none;
}

.categorie ul li {
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
}

.categorie ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: #3060d0;
}

.intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.realisation {
    display: flex;
    margin-bottom: 60px;
    gap: 40px;
    align-items: center;
}

.realisation.inverse {
    flex-direction: row-reverse;
}

.description {
    flex: 3;
}

.description h3 {
    margin-bottom: 15px;
    color: #3060d0;
}

.description p {
    margin-bottom: 15px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tags span {
    background-color: #e0e8ff;
    color: #3060d0;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.technologies {
    margin-top: 20px;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.technologies h4 {
    margin-bottom: 10px;
    color: #444;
}

.technologies ul {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    list-style: none;
}

.technologies li {
    background-color: white;
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.9rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.interets-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.interet {
    flex: 1;
    min-width: 300px;
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.interet h3 {
    color: #3060d0;
    margin-bottom: 20px;
    text-align: center;
}

.interet h3 i {
    margin-right: 10px;
}

footer {
    background-color: var(--footer-bg);
    color: var(--footer-title);
    padding-top: 40px;
}

.copyright {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    color: var(--footer-text);
}

.contenu-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    align-items: flex-start;
}

.coordonnees {
    flex: 1;
    min-width: 300px;
}

.coordonnees h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.coordonnees p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.info-contact {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
    margin-bottom: 30px;
}

.info-contact p {
    margin-bottom: 15px;
}

.info-contact i {
    color: var(--primary-color);
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.reseaux-sociaux {
    margin-top: 30px;
}

.reseaux-sociaux ul {
    list-style: none;
    padding: 0;
}

.reseaux-sociaux ul li {
    margin-bottom: 10px;
}

.reseaux-sociaux ul li a {
    display: inline-flex;
    align-items: center;
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.reseaux-sociaux ul li a:hover {
    color: var(--primary-color);
}

.reseaux-sociaux ul li a i {
    width: 30px;
    color: var(--primary-color);
}

.formulaire-contact {
    flex: 1.5;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
    min-width: 350px;
}

.formulaire-contact h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--title-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit {
    text-align: right;
}

.form-submit button {
    background-color: var(--primary-color);
    color: var(--button-text);
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s;
}

.form-submit button:hover {
    background-color: var(--primary-hover);
}

@media (max-width: 992px) {
    .section-accueil {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .presentation {
        max-width: 100%;
    }

    .boutons {
        justify-content: center;
    }

    .contenu-apropos {
        flex-direction: column;
    }

    .realisation,
    .realisation.inverse {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .competences {
        flex-direction: column;
    }

    .interets-container {
        flex-direction: column;
    }
}

/**/
.image-realisation {
    flex: 2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-realisation img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.image-realisation img:hover {
    transform: scale(1.05);
}

.realisation.inverse .description {
    order: 2;
}

.realisation.inverse .image-realisation {
    order: 1;
}

@media (max-width: 992px) {
    .image-realisation {
        max-width: 500px;
        margin: 20px auto 0;
    }
}