/* Variables globales */
:root {
    --primary-color: #8B4513; /* Saddle Brown */
    --secondary-color: #A52A2A; /* Brown-Red */
    --text-color: #2C1810; /* Dark Coffee */
    --light-text: #6B4F4F; /* Light Coffee */
    --background: #FFF8F0; /* Cream */
    --section-bg: #F5E6D3; /* Light Coffee Cream */
    --card-bg: #FFFFFF;
    --border-color: #D2B48C; /* Tan */
    --accent-color: #D2691E; /* Chocolate */
    --transition: all 0.3s ease;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Section Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem 2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    margin: 0.5rem;
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
}

.btn.secondary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* Section À propos */
.about {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, var(--background) 0%, var(--section-bg) 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%238B4513' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: 0;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.9);
    padding: 3rem;
    border-radius: 2rem;
    box-shadow: 0 20px 40px rgba(139, 69, 19, 0.1);
    backdrop-filter: blur(10px);
}

.about-image {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(139, 69, 19, 0.2);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.about-image:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    z-index: 1;
    transition: var(--transition);
}

.about-image:hover::before {
    opacity: 0.2;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.about-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-text h2 {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.about-text p {
    color: var(--text-color);
    margin-bottom: 1.8rem;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
}

.about-text .highlight {
    color: var(--secondary-color);
    font-weight: 600;
    position: relative;
    padding: 0 2px;
}

.about-text .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--section-bg);
    z-index: -1;
    opacity: 0.5;
}

/* Styles pour la liste d'expérience */
.experience-list {
    list-style: none;
    margin: 1.5rem 0;
    padding: 0;
    position: relative;
}

.experience-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
}

.experience-list li {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
    transition: var(--transition);
}

.experience-list li:hover {
    transform: translateX(5px);
}

.experience-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.4rem;
    transition: var(--transition);
}

.experience-list li:hover::before {
    color: var(--secondary-color);
    transform: scale(1.2);
}

.experience-list strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Styles pour les compétences mises en avant */
.skills-highlight {
    max-width: 1000px;
    margin: 2rem auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-group {
    background: var(--section-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 8px 16px rgba(139, 69, 19, 0.08);
    transition: var(--transition);
    border: 1px solid rgba(139, 69, 19, 0.1);
}

.skill-group:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(139, 69, 19, 0.12);
}

.skill-group h4 {
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    padding-bottom: 0.5rem;
}

.skill-group h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary-color);
    opacity: 0.5;
}

.skill-group span {
    display: inline-block;
    background: var(--card-bg);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    margin: 0.3rem;
    box-shadow: 0 2px 4px rgba(139, 69, 19, 0.05);
    transition: var(--transition);
    border: 1px solid rgba(139, 69, 19, 0.1);
}

.skill-group span:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(139, 69, 19, 0.1);
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--section-bg);
    border-radius: 1rem;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(139, 69, 19, 0.1);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.8rem;
}

.stat-label {
    color: var(--light-text);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

/* Section Compétences */
.skills {
    padding: 6rem 2rem;
    background-color: var(--section-bg);
}

.skills h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-category {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.skill-category li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Section Projets */
.projects {
    padding: 6rem 2rem;
}

.projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(139, 69, 19, 0.1);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-image {
    position: relative;
    padding-top: 60%; /* Ratio d'aspect 16:9 */
    overflow: hidden;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.project-description {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-content ul {
    list-style: none;
    margin: 0 0 1rem 0;
    padding: 0;
}

.project-content ul li {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    padding-left: 1.2rem;
    position: relative;
}

.project-content ul li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.project-tags span {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    background: var(--section-bg);
    color: var(--primary-color);
    border-radius: 2rem;
}

.project-links {
    margin-top: 1rem;
}

.project-links .btn {
    width: 100%;
    text-align: center;
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
}

/* Section Contact */
.contact {
    padding: 6rem 2rem;
    background-color: var(--section-bg);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.contact-item i {
    font-size: 1.4rem;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-details a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
}

.contact-item a,
.contact-item span {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
    line-height: 1.4;
}

.contact-item a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.contact-item span {
    display: block;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    transition: var(--transition);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--text-color);
    color: white;
}

/* Media Queries */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-highlight {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .about {
        padding: 6rem 1rem;
    }

    .about-content,
    .contact-content,
    .projects-grid {
        padding: 2rem 1.5rem;
    }

    .about-text h2 {
        font-size: 2.2rem;
    }

    .skills-highlight {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-number {
        font-size: 2.4rem;
    }

    .experience-list li {
        padding-left: 1.2rem;
    }

    .section-subtitle {
        font-size: 1.5rem;
        margin: 2rem 0 1.2rem;
    }

    .contact-item {
        margin-bottom: 1.2rem;
    }
    
    .contact-item i {
        font-size: 1.2rem;
    }
    
    .contact-item a,
    .contact-item span {
        font-size: 1rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utilitaires */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Sous-titre de section */
.section-subtitle {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    position: relative;
    padding-left: 1.5rem;
    font-weight: 600;
}

.section-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle::after {
    content: '';
    position: absolute;
    left: 1.5rem;
    bottom: -0.5rem;
    width: 60px;
    height: 2px;
    background: var(--section-bg);
    opacity: 0.5;
}

/* Styles pour les listes de formation et d'expertise */
.formation-list,
.expertise-list {
    list-style: none;
    margin: 1rem 0 1.5rem;
    padding: 0;
}

.formation-list li,
.expertise-list li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: var(--text-color);
}

.formation-list li::before,
.expertise-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    transition: var(--transition);
}

.formation-list li:hover::before,
.expertise-list li:hover::before {
    transform: translateX(5px);
    color: var(--secondary-color);
}

.formation-list {
    background: var(--section-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    border-left: 4px solid var(--primary-color);
    margin: 1.5rem 0;
}

.expertise-list {
    background: var(--background);
    padding: 1.5rem;
    border-radius: 1rem;
    border-left: 4px solid var(--secondary-color);
    margin: 1.5rem 0;
}

@media (max-width: 768px) {
    .formation-list,
    .expertise-list {
        padding: 1.2rem;
    }

    .formation-list li,
    .expertise-list li {
        font-size: 0.95rem;
        padding-left: 1.5rem;
    }
}

/* Language Selector Styles */
.language-selector {
    display: flex;
    gap: 8px;
    margin-left: 20px;
}

.lang-btn {
    padding: 5px 10px;
    border: 1px solid #ddd;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.lang-btn.active {
    background: #8B4513;
    color: white;
    border-color: #8B4513;
    opacity: 1;
}

.lang-btn:hover {
    opacity: 1;
    background: #8B4513;
    color: white;
    border-color: #8B4513;
}

@media (max-width: 768px) {
    .language-selector {
        margin-left: 1rem;
    }
    
    .lang-btn {
        padding: 0.2rem 0.6rem;
        font-size: 0.9rem;
    }
}