/* =====================================================
   PORTFOLIO - Theme System (dark default)
   ===================================================== */

/* CSS Variables — thème sombre (défaut) */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: #16161f;

    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #7f7f89; /* ratio ~5.0:1 sur bg-primary sombre — WCAG AA */

    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);

    --border-color: #27272a;
    --border-light: #3f3f46;

    --code-bg: #1e1e2e;
    --code-keyword: #c678dd;
    --code-string: #98c379;
    --code-variable: #61afef;
    --code-property: #e5c07b;
    --code-function: #61afef;
    --code-boolean: #d19a66;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

    --navbar-bg: rgba(10, 10, 15, 0.85);
    --navbar-scrolled-bg: rgba(10, 10, 15, 0.95);

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --container-width: 1200px;
    --section-padding: 100px;
}

/* Thème clair */
[data-theme="light"] {
    --bg-primary: #f8f8fc;
    --bg-secondary: #f0f0f8;
    --bg-tertiary: #e8e8f2;
    --bg-card: #ffffff;

    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #6e6e78; /* ratio ~4.6:1 sur bg-primary clair — WCAG AA */

    --accent-primary: #6366f1;
    --accent-secondary: #4f46e5;

    --border-color: #e4e4e7;
    --border-light: #d4d4d8;

    --code-bg: #f4f4f9;
    --code-keyword: #7c3aed;
    --code-string: #16a34a;
    --code-variable: #2563eb;
    --code-property: #d97706;
    --code-function: #2563eb;
    --code-boolean: #ea580c;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.1);

    --navbar-bg: rgba(248, 248, 252, 0.85);
    --navbar-scrolled-bg: rgba(248, 248, 252, 0.97);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

::selection {
    background-color: var(--accent-primary);
    color: white;
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    display: block;
}

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

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
    background: var(--navbar-scrolled-bg);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    padding: 6px 16px;
    border-radius: 6px;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--accent-primary);
    color: #fff;
}

@media (min-width: 769px) {
    .nav-cta {
        display: inline-block;
    }
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Bouton thème clair/sombre */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-secondary);
    background: rgba(99, 102, 241, 0.1);
}

/* Icône soleil visible en mode sombre, lune en mode clair */
.icon-sun { display: none; }
.icon-moon { display: block; }

[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    padding: 120px 24px 80px;
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
}

.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent-secondary);
    margin-bottom: 16px;
}

.hero-name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.hero-name .highlight {
    display: block;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    min-height: 30px;
}

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

.cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-secondary);
    background: rgba(99, 102, 241, 0.1);
}

.hero-socials {
    display: flex;
    gap: 20px;
}

.hero-socials a {
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.hero-socials a:hover {
    color: var(--accent-secondary);
    transform: translateY(-3px);
}

/* Code Window */
.hero-visual {
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.code-window {
    background: var(--code-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 1px solid var(--border-color);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.filename {
    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);
}

.keyword { color: var(--code-keyword); }
.string { color: var(--code-string); }
.variable { color: var(--code-variable); }
.property { color: var(--code-property); }
.function { color: var(--code-function); }
.boolean { color: var(--code-boolean); }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 6px; }
    50% { opacity: 0; top: 16px; }
}

/* =====================================================
   SECTIONS COMMON
   ===================================================== */
section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 48px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
    max-width: 300px;
}

.section-title .number {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--accent-secondary);
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--accent-primary);
    border-radius: 12px;
    z-index: -1;
    transition: all var(--transition-normal);
}

.image-wrapper:hover::before {
    top: 15px;
    left: 15px;
}

.placeholder-avatar {
    width: 280px;
    height: 280px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-primary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

/* =====================================================
   SKILLS SECTION
   ===================================================== */
.skills {
    background: var(--bg-secondary);
}

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

.skill-category {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.skill-category h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    color: var(--accent-secondary);
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

/* =====================================================
   PROJECTS SECTION
   ===================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.project-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.project-image {
    background: var(--bg-tertiary);
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card.featured .project-image {
    aspect-ratio: auto;
}

.project-placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

.ascii-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    color: var(--accent-primary);
    margin: 0;
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.project-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
}

.project-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.project-card:hover .project-content h3 {
    color: var(--accent-secondary);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tech span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-links a {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.project-links a:hover {
    color: var(--accent-secondary);
    transform: translateY(-2px);
}

/* =====================================================
   PROJECT MODALS
   ===================================================== */
.project-card[data-project] {
    cursor: pointer;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 24px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    padding: 48px 40px 40px;
    transform: translateY(20px) scale(0.98);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.modal-content {
    display: none;
}

.modal-content.active {
    display: block;
}

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.modal-content .project-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.modal-content .project-tech {
    margin-bottom: 28px;
}

.modal-section {
    margin-bottom: 24px;
}

.modal-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.modal-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.modal-section p:last-child {
    margin-bottom: 0;
}

.modal-section ul {
    list-style: none;
    padding: 0;
}

.modal-section li {
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 20px;
    position: relative;
    margin-bottom: 6px;
}

.modal-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.modal-screenshot {
    margin-bottom: 28px;
}

.screenshot-placeholder {
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-light);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Logo projet sur la carte */
.project-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 24px;
    background: var(--bg-tertiary);
}

/* Logo dans la modale */
.modal-header-with-logo {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
}

.modal-header-with-logo h3 {
    margin-bottom: 0;
}

.modal-logo {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Carrousel screenshots */
.carrousel {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.carrousel-track {
    position: relative;
}

.carrousel-slide {
    display: none;
}

.carrousel-slide.active {
    display: block;
}

.carrousel-slide img {
    width: 100%;
    height: auto;
    display: block;
}

.carrousel-legende {
    text-align: center;
    padding: 10px 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
}

.carrousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-60%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
    z-index: 2;
    line-height: 1;
}

.carrousel-btn:hover {
    background: rgba(99, 102, 241, 0.7);
}

.carrousel-precedent {
    left: 8px;
}

.carrousel-suivant {
    right: 8px;
}

.carrousel-indicateurs {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 10px 0;
    background: var(--bg-tertiary);
}

.carrousel-point {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: var(--border-light);
    cursor: pointer;
    padding: 0;
    transition: all var(--transition-fast);
}

.carrousel-point.active {
    background: var(--accent-primary);
    transform: scale(1.3);
}

.modal-links {
    display: flex;
    gap: 12px;
}

.modal-links .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
}

/* Scrollbar modale */
.modal::-webkit-scrollbar {
    width: 6px;
}

.modal::-webkit-scrollbar-track {
    background: transparent;
}

.modal::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */
.contact {
    background: var(--bg-secondary);
}

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

.contact-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.contact-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.contact-email {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-secondary);
    padding: 12px 24px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    border: 1px solid var(--accent-primary);
    transition: all var(--transition-normal);
}

.contact-email:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: translateX(8px);
    color: var(--accent-secondary);
}

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-group {
    position: relative;
    margin-bottom: 28px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    padding-top: 24px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--transition-fast);
}

.form-group textarea ~ label {
    top: 24px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: 8px;
    font-size: 0.7rem;
    color: var(--accent-secondary);
    transform: none;
}

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

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer .heart {
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.footer .copyright {
    font-size: 0.8rem;
}

.footer .footer-vitrine {
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.footer .footer-vitrine a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer .footer-vitrine a:hover {
    opacity: 0.75;
}

/* =====================================================
   ANIMATIONS ON SCROLL
   ===================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-socials {
        justify-content: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .scroll-indicator {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

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

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

    .project-card.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .modal-overlay {
        padding: 12px;
        align-items: flex-end;
    }

    .modal {
        max-height: 90vh;
        padding: 40px 24px 24px;
        border-radius: 16px 16px 0 0;
    }

    .modal-links {
        flex-direction: column;
    }

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 16px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links a::after {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-name {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .section-title {
        font-size: 1.4rem;
    }

    .placeholder-avatar {
        width: 200px;
        height: 200px;
        font-size: 3rem;
    }

    .contact-form {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .code-window {
        font-size: 0.8rem;
    }

    .code-content {
        padding: 16px;
    }

    .skill-category {
        padding: 24px;
    }

    .project-content {
        padding: 20px;
    }
}