/* ============================
           VARIABLES CSS
           ============================ */
        :root {
            --bg-primary: #0c0f12;
            --bg-secondary: #1a1e23;
            --bg-card: #1a1f26;
            --text-primary: #ffffff;
            --text-secondary: #f0f0f0;
            --text-accent: #e0e0e0;
            --text-muted: #9ca7b3;
            --accent-color: #9ca7b3;
            --accent-hover: #b6c2d2;
            --accent-dark: #6c7985;
            --border-color: #2d3748;
            --success-color: #4ade80;
            --warning-color: #f59e0b;
            --error-color: #ef4444;
            --gradient-primary: linear-gradient(135deg, #9ca7b3, #b6c2d2);
            --gradient-dark: linear-gradient(135deg, #0c0f12, #1a1e23);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ============================
           RESET & BASE
           ============================ */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ============================
           COMPOSANTS RÉUTILISABLES
           ============================ */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section {
            padding: 8rem 0;
            position: relative;
        }

        .section:nth-child(even) {
            background: var(--bg-secondary);
        }

        .section-header {
            text-align: center;
            margin-bottom: 5rem;
        }

        .section-title {
            font-family: 'Playfair Display', serif;
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 1.5rem;
            color: var(--accent-color);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1.3rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ============================
           BOUTONS
           ============================ */
        .btn {
            padding: 1.2rem 2.5rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: var(--bg-primary);
            box-shadow: 0 4px 15px rgba(156, 167, 179, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(156, 167, 179, 0.4);
        }

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

        .btn-outline:hover {
            background: var(--accent-color);
            color: var(--bg-primary);
            transform: translateY(-3px);
        }

        /* ============================
           NAVIGATION
           ============================ */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(12, 15, 18, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(156, 167, 179, 0.1);
            z-index: 1000;
            padding: 1rem 0;
            transition: all var(--transition);
        }

        .navbar.scrolled {
            background: rgba(12, 15, 18, 0.98);
            box-shadow: var(--shadow);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-color);
            text-decoration: none;
            letter-spacing: 1px;
            transition: all var(--transition);
        }

        .logo .location-tag {
            font-size: 0.8rem;
            vertical-align: super;
            color: var(--text-muted);
            margin-left: 0.3rem;
        }

        .logo:hover {
            color: var(--accent-hover);
            transform: translateY(-1px);
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }

        .nav-menu li a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
            font-weight: 500;
            position: relative;
            padding: 0.5rem 0;
        }

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

        .nav-menu li a:hover {
            color: var(--accent-color);
        }

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

        /* Navigation Mobile */
        .mobile-menu {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }

        .mobile-menu span {
            width: 25px;
            height: 2px;
            background: var(--accent-color);
            transition: all var(--transition);
        }

        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: var(--bg-card);
            display: flex;
            flex-direction: column;
            padding: 2rem;
            gap: 2rem;
            transition: right var(--transition);
            z-index: 1001;
            border-left: 1px solid var(--border-color);
        }

        .mobile-nav.active {
            right: 0;
        }

        .mobile-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 1.1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
            transition: color var(--transition);
        }

        .mobile-nav a:hover {
            color: var(--accent-color);
        }

        .close-btn {
            align-self: flex-end;
            background: transparent;
            border: none;
            color: var(--accent-color);
            font-size: 2rem;
            cursor: pointer;
        }

        /* ============================
           SECTION HERO
           ============================ */
        .hero {
            height: 100vh;
            background: 
                linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.5)),
                url('images/studio.jpg') center center / cover no-repeat,
                var(--gradient-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(12, 15, 18, 0.4);
            z-index: 1;
        }

        .hero-content {
            max-width: 1000px;
            padding: 0 2rem;
            z-index: 2;
            position: relative;
        }

        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: clamp(3rem, 8vw, 6rem);
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 2px;
            line-height: 1.1;
        }

        .hero h1 small {
            display: block;
            font-size: 0.4em;
            color: var(--accent-color);
            margin-top: 0.5rem;
            background: none;
            -webkit-text-fill-color: currentColor;
        }

        .hero-subtitle {
            font-size: clamp(1.1rem, 3vw, 1.5rem);
            margin-bottom: 3rem;
            color: var(--text-accent);
            font-weight: 300;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============================
           SECTION SERVICES
           ============================ */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .service-card {
            background: var(--bg-card);
            padding: 3.5rem 2.5rem;
            border-radius: 20px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid rgba(156, 167, 179, 0.1);
        }

        .service-card:hover {
            transform: translateY(-15px);
            border-color: var(--accent-color);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 100px;
            height: 100px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 2rem;
            font-size: 2.5rem;
            color: var(--bg-primary);
            box-shadow: 0 10px 30px rgba(156, 167, 179, 0.2);
            transition: all var(--transition);
        }

        .service-card:hover .service-icon {
            transform: scale(1.1);
            box-shadow: 0 15px 40px rgba(156, 167, 179, 0.3);
        }

        .service-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: var(--accent-color);
        }

        .service-description {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 1.1rem;
        }

        /* ============================
           SECTION PORTFOLIO
           ============================ */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            aspect-ratio: 1;
            cursor: pointer;
            transition: all var(--transition);
            background: var(--bg-card);
            border: 1px solid rgba(156, 167, 179, 0.1);
        }

        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .portfolio-item:hover img {
            transform: scale(1.1);
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.9), transparent 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 2.5rem;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .portfolio-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .portfolio-category {
            color: var(--accent-color);
            font-size: 1rem;
            font-weight: 500;
        }

        /* ============================
           SECTION BLOG
           ============================ */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .blog-card {
            background: var(--bg-card);
            border-radius: 20px;
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid rgba(156, 167, 179, 0.1);
            box-shadow: var(--shadow);
        }

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

        .blog-card-image {
            width: 100%;
            height: 250px;
            background: var(--bg-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.2rem;
            border-bottom: 1px solid rgba(156, 167, 179, 0.1);
        }

        .blog-card-content {
            padding: 2.5rem;
        }

        .blog-card-meta {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .blog-card-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .blog-card-excerpt {
            color: var(--text-muted);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .read-more {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all var(--transition);
        }

        .read-more:hover {
            color: var(--accent-hover);
            transform: translateX(5px);
        }

        /* ============================
           SECTION FORMULAIRE
           ============================ */
        .estimation-section {
            background: var(--bg-secondary);
            padding: 8rem 0;
            position: relative;
        }

        .estimation-form {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            padding: 4rem 3rem;
            border-radius: 25px;
            border: 1px solid rgba(156, 167, 179, 0.2);
            box-shadow: var(--shadow);
            position: relative;
            z-index: 2;
        }

        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .form-group {
            margin-bottom: 2rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.8rem;
            color: var(--accent-color);
            font-weight: 600;
            font-size: 1.1rem;
        }

        .form-control {
            width: 100%;
            padding: 1.2rem 1.5rem;
            border: 2px solid rgba(156, 167, 179, 0.2);
            border-radius: 15px;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 1rem;
            font-family: inherit;
            transition: all var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(156, 167, 179, 0.1);
            transform: translateY(-2px);
        }

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

        .budget-slider {
            margin: 2rem 0;
        }

        .slider {
            -webkit-appearance: none;
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: rgba(156, 167, 179, 0.3);
            outline: none;
            transition: all 0.3s;
        }

        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-color);
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(156, 167, 179, 0.3);
        }

        .budget-display {
            text-align: center;
            margin-top: 1.5rem;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-color);
        }

        .file-upload {
            border: 2px dashed rgba(156, 167, 179, 0.3);
            border-radius: 15px;
            padding: 3rem 2rem;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            background: rgba(156, 167, 179, 0.05);
        }

        .file-upload:hover {
            border-color: var(--accent-color);
            background: rgba(156, 167, 179, 0.1);
        }

        .file-upload input {
            display: none;
        }

        .upload-icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }

        .upload-text {
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        .success-message {
            background: linear-gradient(135deg, var(--success-color), #22c55e);
            color: white;
            padding: 2.5rem;
            border-radius: 20px;
            text-align: center;
            margin: 2rem 0;
            display: none;
        }

        .success-title {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        /* ============================
           SECTION ABOUT
           ============================ */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            align-items: center;
            margin-top: 4rem;
        }

        .about-text {
            font-size: 1.2rem;
            line-height: 1.8;
            color: var(--text-accent);
        }

        .about-text h3 {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            color: var(--accent-color);
            margin-bottom: 1.5rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin: 2rem 0;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: 15px;
            border: 1px solid rgba(156, 167, 179, 0.1);
        }

        .stat-number {
            font-family: 'Playfair Display', serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-color);
            display: block;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }

        .about-image {
            border-radius: 25px;
            overflow: hidden;
            position: relative;
            transition: transform var(--transition);
        }

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

        .about-image img {
            width: 100%;
            height: auto;
            filter: grayscale(20%);
            display: block;
        }

        /* ============================
           SECTION CONTACT
           ============================ */
        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            margin-top: 4rem;
        }

        .contact-info {
            background: var(--bg-card);
            padding: 4rem 3rem;
            border-radius: 25px;
            border: 1px solid rgba(156, 167, 179, 0.1);
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 2.5rem;
            transition: all var(--transition);
        }

        .contact-item:hover {
            transform: translateX(10px);
        }

        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            color: var(--bg-primary);
            font-size: 1.3rem;
        }

        .contact-details h4 {
            color: var(--accent-color);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
            font-weight: 600;
        }

        .contact-details p {
            color: var(--text-muted);
            font-size: 1rem;
        }

        .contact-details a {
            color: var(--text-accent);
            text-decoration: none;
            transition: color var(--transition);
        }

        .contact-details a:hover {
            color: var(--accent-color);
        }

        .contact-map {
            background: var(--bg-card);
            border-radius: 25px;
            overflow: hidden;
            height: 400px;
            border: 1px solid rgba(156, 167, 179, 0.1);
        }

        /* ============================
           FOOTER
           ============================ */
        .footer {
            background: var(--bg-primary);
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(156, 167, 179, 0.1);
            position: relative;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
            position: relative;
            z-index: 2;
        }

        .footer-brand {
            color: var(--text-muted);
        }

        .footer-logo {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
            font-weight: 700;
            display: block;
        }

        .footer-logo small {
            font-size: 0.6em;
            color: var(--text-muted);
            display: block;
        }

        .footer-text {
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
        }

        .social-link {
            width: 45px;
            height: 45px;
            background: var(--bg-card);
            border: 1px solid rgba(156, 167, 179, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            text-decoration: none;
            transition: all var(--transition);
        }

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

        .footer-links h4 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.8rem;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(156, 167, 179, 0.1);
            padding-top: 2rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            position: relative;
            z-index: 2;
        }

        /* ============================
           MODALS & LIGHTBOX
           ============================ */
        .lightbox {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.95);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
        }

        .lightbox.active {
            opacity: 1;
            visibility: visible;
        }

        .lightbox-content {
            max-width: 90%;
            max-height: 90%;
            position: relative;
        }

        .lightbox img {
            width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: var(--shadow-hover);
        }

        .lightbox-close {
            position: absolute;
            top: -50px;
            right: 0;
            background: var(--accent-color);
            color: var(--bg-primary);
            width: 40px;
            height: 40px;
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition);
            z-index: 10001;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .lightbox-close:hover {
            background: var(--accent-hover);
            transform: scale(1.1);
            box-shadow: 0 0 10px rgba(156, 167, 179, 0.5);
        }

        .modal-close-alt {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--accent-color);
            color: var(--bg-primary);
            width: 50px;
            height: 50px;
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all var(--transition);
            z-index: 10002;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }

        .modal-close-alt:hover {
            background: var(--accent-hover);
            transform: scale(1.1);
        }

        /* ============================
           RESPONSIVE DESIGN
           ============================ */
        @media (max-width: 1200px) {
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 992px) {
            .about-content,
            .contact-content {
                grid-template-columns: 1fr;
            }
            
            .about-image {
                order: -1;
                max-width: 500px;
                margin: 0 auto;
            }

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

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

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

            .mobile-menu {
                display: flex;
            }

            .hero h1 {
                font-size: 3rem;
            }

            .hero-subtitle {
                font-size: 1.2rem;
            }

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

            .section {
                padding: 5rem 0;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

            .estimation-form {
                padding: 2.5rem 2rem;
            }

            .about-stats {
                grid-template-columns: 1fr;
            }

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

            .form-row {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 1rem;
            }

            .estimation-form {
                padding: 2rem 1.5rem;
            }

            .service-card {
                padding: 2.5rem 1.5rem;
            }

            .contact-info {
                padding: 2.5rem 2rem;
            }

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