/* ============================================
   max-dev Portfolio - Feuille de Styles
   Design moderne 2026 - Thème sombre premium
   ============================================ */

/* Variables CSS pour le thème */
:root {
    /* Couleurs principales - Thème sombre */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    /* Accents néon */
    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #00d4ff 100%);
    
    /* Texte */
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b80;
    
    /* Bordures et effets */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 212, 255, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Typographie */
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Espacements */
    --container-width: 1200px;
    --section-padding: 100px 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Rayons */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* Thème clair */
[data-theme="light"] {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eef0f5;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.7);
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a60;
    --text-muted: #8b8ba0;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* Reset et base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Particules d'arrière-plan */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
    25% { transform: translateY(-100px) translateX(50px); opacity: 0.6; }
    50% { transform: translateY(-50px) translateX(-30px); opacity: 0.4; }
    75% { transform: translateY(-150px) translateX(20px); opacity: 0.5; }
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    color: var(--accent-primary);
}

.logo-bracket {
    color: var(--accent-primary);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: var(--transition-fast);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Toggle thème */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
    transition: var(--transition-base);
    position: absolute;
}

.theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg); }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg); }

[data-theme="light"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg); }

/* Menu burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.burger span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    width: fit-content;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--accent-primary);
    margin-bottom: 24px;
    min-height: 2.2rem;
}

.typing-text {
    display: inline;
}

.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

/* Indicateur scroll */
.hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* Fenêtre code */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 420px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
}

.code-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dot.red { background: #ff5f56; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #27c93f; }

.window-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-content {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content code {
    color: var(--text-secondary);
}

.code-keyword { color: #c678dd; }
.code-var { color: #e5c07b; }
.code-prop { color: #e06c75; }
.code-string { color: #98c379; }
.code-fn { color: #61afef; }

/* ============================================
   SECTIONS GÉNÉRIQUES
   ============================================ */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 16px;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 100px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   À PROPOS
   ============================================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.tag {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ============================================
   COMPÉTENCES
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(20px);
    transition: var(--transition-base);
}

.skill-category:hover {
    border-color: var(--border-accent);
    transform: translateY(-5px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
}

.category-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.category-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.skill-name {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.skill-percent {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
}

.skill-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 100px;
    width: 0;
    transition: width 1.5s ease-out;
}

/* ============================================
   PROJETS
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.project-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.project-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder svg {
    width: 80px;
    height: 80px;
    color: var(--text-muted);
    opacity: 0.3;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: var(--transition-base);
}

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

.project-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    border-radius: 50%;
    color: var(--bg-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    transform: scale(0.8);
}

.project-card:hover .project-btn {
    transform: scale(1);
}

.project-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1.1);
}

.project-btn svg {
    width: 22px;
    height: 22px;
}

.project-content {
    padding: 28px;
}

.project-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.contact-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-method:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.method-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-sm);
}

.method-icon svg {
    width: 22px;
    height: 22px;
    color: var(--accent-primary);
}

.method-text {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.method-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Réseaux sociaux */
.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
}

.social-link svg {
    width: 22px;
    height: 22px;
}

/* Formulaire */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-base);
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.error-message {
    display: block;
    font-size: 0.85rem;
    color: #ef4444;
    margin-top: 6px;
    min-height: 1.2em;
}

.btn-submit {
    width: 100%;
    justify-content: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS AU SCROLL
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-in:nth-child(1) { animation-delay: 0.1s; }
.animate-fade-in:nth-child(2) { animation-delay: 0.2s; }
.animate-fade-in:nth-child(3) { animation-delay: 0.3s; }
.animate-fade-in:nth-child(4) { animation-delay: 0.4s; }
.animate-fade-in:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-description {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-scroll {
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 1.5rem;
    }
    
    .burger {
        display: flex;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   AMÉLIORATIONS ACCESSIBILITÉ
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus visible pour navigation clavier */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 3px;
}

/* ============================================
   BARRE DE DÉFILEMENT PERSONNALISÉE
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Sélection */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-primary);
}