/* =============================================
   VARIABLES CSS ET STYLES DE BASE
============================================= */

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

:root {
    /* Couleurs principales */
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #f093fb;
    --accent-color: #ffd89b;
    
    /* Couleurs neutres */
    --white: #ffffff;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    
    /* Typographie */
    --font-primary: 'Poppins', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espacements */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;
    --spacing-5xl: 6rem;
    
    /* Ombres */
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Variables pour le mode sombre */
[data-theme="dark"] {
    --primary-color: #7c3aed;
    --primary-dark: #6d28d9;
    --secondary-color: #ec4899;
    --accent-color: #f59e0b;
    
    --white: #1a1a1a;
    --gray-100: #2d2d2d;
    --gray-200: #3d3d3d;
    --gray-600: #a1a1aa;
    --gray-700: #d4d4d8;
    --gray-800: #e4e4e7;
    --gray-900: #f4f4f5;
    
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-5xl) 0;
}

/* =============================================
   LOADER
============================================= */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity var(--transition-slow);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    text-align: center;
    color: var(--white);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =============================================
   NAVIGATION
============================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    margin-left: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 18px;
    transition: all var(--transition-normal);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: all var(--transition-normal);
}

/* =============================================
   SECTIONS COMMUNES
============================================= */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* =============================================
   BOUTONS
============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 50px;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* =============================================
   HERO SECTION
============================================= */

.hero {
    min-height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.greeting {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.name {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.role {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
    color: var(--accent-color);
    margin-bottom: var(--spacing-xl);
    min-height: 2.5rem;
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.hero-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    width: 350px;
    height: 350px;
    margin: 0 auto;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-normal);
    /* Ajustements pour un meilleur cadrage */
    transform: scale(0.95);
}

.profile-image:hover {
    transform: scale(1.0);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.image-placeholder i {
    font-size: 80px;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
}

.image-placeholder p {
    font-size: var(--font-size-lg);
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
}

.scroll-arrow {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* =============================================
   ABOUT SECTION
============================================= */

.about {
    background: var(--gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    color: var(--gray-600);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

.about-buttons {
    display: flex;
    gap: var(--spacing-lg);
}

.about-image .image-placeholder {
    width: 350px;
    height: 350px;
    background: var(--gradient-primary);
    border-radius: 20px;
    margin: 0 auto;
}

.profile-image-about {
    width: 300px;
    height: 300px;
    object-fit: cover;
    object-position: center top;
    border-radius: 20px;
    margin: 0 auto;
    display: block;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.profile-image-about:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* =============================================
   SKILLS SECTION - ICÔNES TECHNOLOGIES
============================================= */

.skills {
    background: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-3xl);
}

.skill-category {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-2xl);
}

.category-title i {
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skills-icons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: var(--spacing-lg);
}

.skill-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: 15px;
    background: var(--gray-50);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-icon-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
}

.skill-icon-item:hover::before {
    left: 100%;
}

.skill-icon-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    border-radius: 50%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.skill-icon-item:hover .skill-icon {
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

.skill-icon i {
    font-size: 2rem;
    transition: all var(--transition-normal);
}

.skill-name {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    margin-top: auto;
}

.skill-icon-item:hover .skill-name {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

/* =============================================
   TIMELINE
============================================= */

.experience {
    background: var(--gray-100);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 50%;
    padding-right: var(--spacing-xl);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    padding-left: var(--spacing-xl);
    text-align: left;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.timeline-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -40px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.timeline-content h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.timeline-content p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    box-shadow: var(--shadow-md);
}

/* =============================================
   PROJECTS
============================================= */

.projects {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.project-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(50px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-image .image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 0;
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: var(--spacing-lg);
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.project-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-xl);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.project-description {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.tech-tag:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.projects-button {
    text-align: center;
}

/* =============================================
   CONTACT
============================================= */

.contact {
    background: var(--gray-100);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: var(--white);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.contact-details p {
    color: var(--gray-600);
}

.contact-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all var(--transition-normal);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group label {
    position: absolute;
    top: -8px;
    left: var(--spacing-md);
    background: var(--white);
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-600);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* =============================================
   FOOTER
============================================= */

.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text p {
    color: var(--gray-600);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--white);
}

/* =============================================
   RESPONSIVE DESIGN
============================================= */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--spacing-2xl);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    .image-container {
        width: 300px;
        height: 300px;
    }
    
    .name {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .about-buttons {
        justify-content: center;
    }
    
    .skills-categories {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin: 0;
        margin-left: 50px;
        padding: var(--spacing-lg);
        text-align: left;
    }
    
    .timeline-dot {
        left: 20px;
        transform: translateX(-50%);
    }
    
    .timeline-date {
        left: 70px;
        transform: none;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
}

/* =============================================
   STYLES SPÉCIFIQUES POUR LE MODE SOMBRE
============================================= */

[data-theme="dark"] .navbar {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(15px);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.9) 0%, 
        rgba(45, 45, 45, 0.8) 100%);
}

[data-theme="dark"] .skill-category {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .project-card {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .contact-form input,
[data-theme="dark"] .contact-form textarea {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
}

[data-theme="dark"] .contact-form input::placeholder,
[data-theme="dark"] .contact-form textarea::placeholder {
    color: var(--gray-600);
}

/* Styles de base pour le mode sombre - FORCÉS */
[data-theme="dark"] {
    background-color: #1a1a1a !important;
    color: #d4d4d8 !important;
}

[data-theme="dark"] body {
    background-color: #1a1a1a !important;
    color: #d4d4d8 !important;
}

[data-theme="dark"] section {
    background-color: #1a1a1a !important;
    color: #d4d4d8 !important;
}

[data-theme="dark"] .about {
    background-color: #2d2d2d !important;
}

[data-theme="dark"] .skills {
    background-color: #1a1a1a !important;
}

/* Styles spécifiques pour la section Hero en mode sombre */
[data-theme="dark"] .hero-title {
    color: #f4f4f5 !important;
}

[data-theme="dark"] .hero-title .greeting {
    color: #d4d4d8 !important;
}

[data-theme="dark"] .hero-title .name {
    color: #f4f4f5 !important;
}

[data-theme="dark"] .hero-title .role {
    color: #7c3aed !important;
}

[data-theme="dark"] .hero-description {
    color: #a1a1aa !important;
}

[data-theme="dark"] .hero-content h1,
[data-theme="dark"] .hero-content p {
    color: #d4d4d8 !important;
}

[data-theme="dark"] .social-link {
    color: #d4d4d8 !important;
    border-color: #3d3d3d !important;
}

[data-theme="dark"] .social-link:hover {
    background: #7c3aed !important;
    color: #ffffff !important;
}

/* Styles pour les boutons du hero en mode sombre */
[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%) !important;
    color: #ffffff !important;
}

[data-theme="dark"] .btn-secondary {
    background: transparent !important;
    color: #d4d4d8 !important;
    border: 2px solid #7c3aed !important;
}

[data-theme="dark"] .btn-secondary:hover {
    background: #7c3aed !important;
    color: #ffffff !important;
}