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

        :root {
            --navy: #1a3a52;
            --gold: #c9a961;
            --cream: #f5f3f0;
            --dark: #2a2a2a;
            --light: #ffffff;
            --text: #4a4a4a;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Garamond', 'Times New Roman', serif;
            color: var(--text);
            background-color: var(--cream);
            line-height: 1.6;
        }

        /* Typography */
        h1 {
            font-size: clamp(2.5rem, 8vw, 4rem);
            font-weight: 400;
            letter-spacing: 0.05em;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 1.5rem;
        }

        h2 {
            font-size: clamp(1.8rem, 5vw, 2.8rem);
            font-weight: 400;
            letter-spacing: 0.03em;
            color: var(--dark);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--gold);
        }

        h3 {
            font-size: 1.4rem;
            font-weight: 400;
            letter-spacing: 0.02em;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        p {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 1.5rem;
        }

        .tagline {
            font-size: 1.1rem;
            font-style: italic;
            color: var(--gold);
            letter-spacing: 0.02em;
            margin-bottom: 2rem;
        }

        /* Header & Navigation */
        header {
            background-color: var(--navy);
            color: var(--light);
            padding: 2rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 400;
            letter-spacing: 0.15em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--light);
        }

        .logo-ae {
            color: var(--gold);
        }

        .logo-image {
            height: 50px;
            width: auto;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
        }

        nav a {
            color: var(--light);
            text-decoration: none;
            font-size: 1.1rem;
            letter-spacing: 0.05em;
            transition: color 0.3s ease;
            border-bottom: 2px solid transparent;
            padding-bottom: 0.25rem;
        }

        nav a:hover {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 26px;
            height: 18px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 210;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background-color: var(--light);
            border-radius: 1px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 190;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.active {
            display: block;
            opacity: 1;
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            nav ul {
                position: fixed;
                top: 0;
                right: -100%;
                width: min(78%, 320px);
                height: 100vh;
                background-color: var(--navy);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 6rem 2.5rem 2rem;
                box-shadow: -8px 0 24px rgba(0,0,0,0.3);
                transition: right 0.35s ease;
                z-index: 200;
            }

            nav ul.active {
                right: 0;
            }

            nav ul li {
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }

            nav ul li a {
                display: block;
                padding: 1.1rem 0;
                font-size: 1.05rem;
            }
        }

        /* Hero Section */
        .hero {
            background-color: var(--navy);
            color: var(--light);
            padding: 8rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-logo-container {
            margin-bottom: 3rem;
        }

        .hero-logo-container img {
            max-width: 100%;
            height: auto;
            max-height: 400px;
            display: block;
            margin: 0 auto;
        }

        .hero h1 {
            color: var(--light);
            margin-bottom: 1rem;
            font-size: clamp(2rem, 10vw, 3.5rem);
            display: none;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: var(--gold);
            font-weight: 400;
            letter-spacing: 0.08em;
            margin-bottom: 2rem;
            font-style: italic;
            display: none;
        }

        .hero-desc {
            font-family: 'Lato', 'Helvetica Neue', sans-serif;
            font-size: 1.05rem;
            font-weight: 300;
            color: rgba(255,255,255,0.9);
            margin-bottom: 3rem;
            line-height: 1.9;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
            letter-spacing: 0.02em;
        }

        /* Sections */
        section {
            padding: 6rem 2rem;
        }

        section.alt {
            background-color: var(--navy);
            color: var(--light);
        }

        section.alt h2 {
            color: var(--light);
            border-bottom-color: var(--gold);
        }

        section.alt p {
            color: rgba(255,255,255,0.9);
        }

        section.alt .project-info,
        section.alt .project-info h3,
        section.alt .project-info p {
            color: var(--dark);
        }

        #projets .project-info,
        #projets .project-info h3,
        #projets .project-info p {
            color: var(--dark);
        }

        /* About Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-top: 3rem;
        }

        .about-text h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .about-image {
            background: linear-gradient(135deg, rgba(201,169,97,0.1) 0%, rgba(26,58,82,0.1) 100%);
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 2px;
            font-size: 3rem;
            color: var(--gold);
            font-weight: 300;
        }

        @media (max-width: 768px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* Projects Gallery */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .project-card {
            background-color: var(--light);
            overflow: hidden;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .project-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.15);
        }

        .project-image {
            width: 100%;
            aspect-ratio: 1;
            background: linear-gradient(135deg, #e0d7ce 0%, #d4c4b8 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--gold);
            overflow: hidden;
            position: relative;
        }

        .project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .project-info {
            padding: 2rem;
        }

        .project-info h3 {
            margin-bottom: 0.5rem;
        }

        .project-category {
            color: var(--gold);
            font-size: 0.9rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        /* Services Section */
        .services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .service-card {
            background-color: rgba(255,255,255,0.05);
            padding: 2.5rem;
            border-left: 3px solid var(--gold);
            transition: background-color 0.3s ease;
        }

        .service-card:hover {
            background-color: rgba(255,255,255,0.1);
        }

        .service-card h3 {
            color: var(--light);
            margin-bottom: 1rem;
        }

        /* Forfaits Cliquables */
        .forfaits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .forfait-card {
            background-color: rgba(255,255,255,0.05);
            padding: 2rem;
            border: 1px solid rgba(201,169,97,0.3);
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .forfait-card:hover {
            background-color: rgba(201,169,97,0.1);
            border-color: var(--gold);
            transform: translateY(-4px);
        }

        .forfait-card h3 {
            color: var(--dark);
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .forfait-card .objective {
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .forfait-card p {
            color: var(--dark);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .forfait-card .cta {
            color: var(--gold);
            font-size: 0.85rem;
            text-decoration: none;
            border-bottom: 1px solid var(--gold);
            transition: all 0.3s ease;
        }

        .forfait-card:hover .cta {
            padding-bottom: 2px;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.6);
            overflow: auto;
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background-color: var(--cream);
            padding: 3rem;
            border-radius: 2px;
            max-width: 700px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
        }

        .modal-content h2 {
            color: var(--navy);
            border-bottom-color: var(--gold);
            margin-bottom: 1.5rem;
        }

        .modal-content .objective {
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 1.5rem;
        }

        .modal-content p {
            color: var(--text);
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }

        .modal-content h3 {
            color: var(--dark);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .modal-content ul {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--text);
        }

        .modal-content li {
            margin-bottom: 0.8rem;
            line-height: 1.6;
        }

        .close-modal {
            color: var(--text);
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .close-modal:hover {
            color: var(--navy);
        }

        .service-card p {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
        }

        /* Process Section */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .step {
            text-align: center;
        }

        .step-number {
            font-size: 2.5rem;
            color: var(--gold);
            font-weight: 300;
            margin-bottom: 1rem;
            font-family: 'Georgia', serif;
        }

        .step h3 {
            color: var(--dark);
            margin-bottom: 1rem;
        }

        /* Paris Day Section */
        .paris-day {
            background: linear-gradient(135deg, var(--navy) 0%, rgba(26,58,82,0.95) 100%);
            color: var(--light);
            position: relative;
            overflow: hidden;
        }

        .paris-day::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(201, 169, 97, 0.05);
            border-radius: 50%;
        }

        .paris-day-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .paris-day h2 {
            color: var(--light);
        }

        .paris-highlight {
            background-color: rgba(201, 169, 97, 0.2);
            padding: 2rem;
            border-left: 4px solid var(--gold);
            margin: 2rem 0;
            font-style: italic;
        }

        /* Partners Collapse */
        #partners-list {
            max-height: 600px;
            overflow: hidden;
            transition: max-height 0.4s ease-in-out;
        }

        #partners-list.expanded {
            max-height: none;
        }

        .toggle-partners {
            display: flex;
            justify-content: center;
            margin-top: 2rem;
        }

        .toggle-btn {
            background-color: var(--gold);
            color: var(--dark);
            border: none;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            cursor: pointer;
            border-radius: 2px;
            font-weight: 500;
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
        }

        .toggle-btn:hover {
            background-color: var(--dark);
            color: var(--gold);
        }

        /* Contact Section */
        .contact-container {
            max-width: 600px;
            margin: 3rem auto 0;
        }

        .contact-info {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--gold);
        }

        .contact-item h3 {
            color: var(--gold);
            margin-bottom: 0.5rem;
        }

        .contact-item p {
            margin-bottom: 0.5rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark);
        }

        input, textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            background-color: var(--light);
            font-family: 'Georgia', serif;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        input:focus, textarea:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201,169,97,0.1);
        }

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

        .btn {
            background-color: var(--navy);
            color: var(--light);
            border: 2px solid var(--navy);
            padding: 1rem 2.5rem;
            font-size: 1rem;
            letter-spacing: 0.05em;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Georgia', serif;
        }

        .btn:hover {
            background-color: transparent;
            color: var(--navy);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 3rem 2rem;
            text-align: center;
            font-size: 0.9rem;
        }

        footer p {
            margin-bottom: 0.5rem;
            color: rgba(255,255,255,0.8);
        }

        .footer-links {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(201,169,97,0.3);
        }

        .footer-links a {
            color: var(--gold);
            text-decoration: none;
            margin: 0 1rem;
            transition: opacity 0.3s ease;
        }

        .footer-links a:hover {
            opacity: 0.8;
        }

        /* Responsive */
        @media (max-width: 768px) {
            nav ul {
                gap: 1.5rem;
            }

            section {
                padding: 4rem 2rem;
            }

            .hero {
                padding: 5rem 2rem;
            }

            h2 {
                font-size: 1.8rem;
            }

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

            .service-card {
                padding: 1.5rem;
            }

            h1 {
                font-size: 2rem;
            }
        }

        /* Utility */
        .divider {
            width: 60px;
            height: 1px;
            background-color: var(--gold);
            margin: 2rem auto;
        }

        .accent {
            color: var(--gold);
        }

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