:root {
            --primary-color: #1a4d2e;
            --primary-light: #2c5530;
            --secondary-color: #d4a574;
            --accent-color: #f4e4bc;
            --accent-dark: #c9975d;
            --text-dark: #1a1a1a;
            --text-light: #666;
            --text-muted: #999;
            --bg-light: #fafafa;
            --bg-card: #ffffff;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
            --shadow-glow: 0 0 20px rgba(212, 165, 116, 0.3);
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --focus-outline: 3px solid #2c5530;
            --skip-link-bg: #2c5530;
            --skip-link-color: #fff;
            --hamburger-size: 24px;
            --target-size: 44px;
            --gradient-primary: linear-gradient(135deg, #1a4d2e 0%, #2c5530 100%);
            --gradient-accent: linear-gradient(135deg, #d4a574 0%, #c9975d 100%);
            --gradient-hero: linear-gradient(135deg, rgba(244, 228, 188, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        @media (prefers-contrast: high) {
            --focus-outline: 4px solid #000;
            --shadow-md: 0 6px 12px rgba(0,0,0,0.25);
        }

        @media (orientation: landscape) and (max-width: 767px) {
            body { margin: 0 0.5rem; }
            main { padding: 0.5rem; }
            .hero { padding: 1.5rem 0.5rem; margin-bottom: 1rem; }
            .hero h1 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
            .hero p { font-size: 0.95rem; line-height: 1.4; }
            .cta { padding: 0.75rem 1.5rem; margin: 0.25rem; font-size: 0.95rem; }
            section { margin-bottom: 1.5rem; }
            h2 { font-size: clamp(1.2rem, 2.8vw, 1.6rem); }
            .manifeste, .card { padding: 1rem; }
            #map { height: 25vh; }
        }

        @media (orientation: portrait) and (max-width: 767px) {
            .hero h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
            #map { height: 35vh; }
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(to bottom, #fafafa 0%, #f5f5f5 100%);
            margin: 0 1rem;
            overflow-x: hidden;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        @media (min-width: 768px) {
            body { margin: 0; }
        }

        .skip-link {
            position: absolute;
            top: -40px;
            left: 6px;
            background: var(--skip-link-bg);
            color: var(--skip-link-color);
            padding: 8px 16px;
            text-decoration: none;
            z-index: 1000;
            border-radius: 0 0 8px 8px;
            min-height: var(--target-size);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }

        .skip-link:focus {
            top: 0;
        }

        header {
            background: var(--gradient-primary);
            color: white;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(10px);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem;
            position: relative;
        }

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            min-height: var(--target-size);
            display: inline-flex;
            align-items: center;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
            background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .menu {
            display: none;
            flex-direction: column;
            list-style: none;
            gap: 0;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
            padding: 0;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 0 0 12px 12px;
        }

        .menu.active {
            display: flex;
            max-height: 100vh;
            padding: 1rem 0;
        }

        .menu li {
            position: relative;
            width: 100%;
        }

        .menu a {
            color: white;
            text-decoration: none;
            padding: 1rem 1.5rem;
            border-radius: 0;
            transition: var(--transition-fast);
            min-height: var(--target-size);
            display: flex;
            align-items: center;
            justify-content: flex-start;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            font-weight: 500;
            letter-spacing: 0.3px;
            position: relative;
            overflow: hidden;
        }

        .menu a::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--secondary-color);
            transform: scaleY(0);
            transition: var(--transition-fast);
        }

        .menu a:last-child {
            border-bottom: none;
        }

        .menu a:hover,
        .menu a:focus {
            background: rgba(255,255,255,0.12);
            outline: var(--focus-outline);
            outline-offset: -3px;
            padding-left: 2rem;
        }

        .menu a:hover::before,
        .menu a:focus::before {
            transform: scaleY(1);
        }

        .hamburger {
            display: block;
            background: rgba(255,255,255,0.1);
            border: 2px solid rgba(255,255,255,0.2);
            cursor: pointer;
            padding: 0.5rem;
            z-index: 101;
            min-height: var(--target-size);
            min-width: var(--target-size);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }

        .hamburger:hover,
        .hamburger:focus {
            background: rgba(255,255,255,0.2);
            transform: scale(1.05);
            outline: var(--focus-outline);
            outline-offset: 2px;
        }

        .hamburger span {
            display: block;
            width: var(--hamburger-size);
            height: 3px;
            background: white;
            margin: 4px 0;
            transition: var(--transition);
            border-radius: 2px;
        }

        .hamburger.active {
            background: rgba(255,255,255,0.25);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(7px, 7px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: translateX(-20px);
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        .submenu {
            display: none;
            position: static;
            background: rgba(0,0,0,0.1);
            color: var(--text-dark);
            min-width: auto;
            box-shadow: none;
            border-radius: 0;
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0 0;
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .menu li.active .submenu {
            display: block;
            max-height: 600px;
        }

        .submenu li {
            margin: 0;
        }

        .submenu a {
            color: rgba(255,255,255,0.9);
            padding: 0.75rem 1rem 0.75rem 3rem;
            display: block;
            min-height: var(--target-size);
            align-items: flex-start;
            justify-content: flex-start;
            background: rgba(0,0,0,0.05);
            font-size: 0.95rem;
            font-weight: 400;
        }

        .submenu a::before {
            display: none;
        }

        .submenu a:hover,
        .submenu a:focus {
            background: rgba(255,255,255,0.15);
            padding-left: 3.5rem;
        }

        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }

            nav {
                padding: 1.25rem 2rem;
            }

            .logo {
                font-size: 1.6rem;
            }

            .menu {
                display: flex;
                flex-direction: row;
                position: static;
                background: none;
                padding: 0;
                gap: 0.5rem;
                max-height: none;
                overflow: visible;
                box-shadow: none;
            }

            .menu.active {
                max-height: none;
            }

            .menu a {
                padding: 0.75rem 1.25rem;
                border-bottom: none;
                border-radius: 8px;
                justify-content: center;
                min-height: auto;
                font-size: 0.95rem;
            }

            .menu a::before {
                display: none;
            }

            .menu a:hover,
            .menu a:focus {
                background: rgba(255,255,255,0.15);
                padding-left: 1.25rem;
                transform: translateY(-2px);
            }

            .submenu {
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 50%;
                transform: translateX(-50%);
                background: white;
                color: var(--text-dark);
                min-width: 240px;
                box-shadow: var(--shadow-lg);
                border-radius: 12px;
                padding: 0.5rem;
                margin-top: 0;
                max-height: none;
                overflow: visible;
                opacity: 0;
                visibility: hidden;
                transform: translateX(-50%) translateY(-10px);
                transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
            }

            .menu li:hover .submenu,
            .menu li:focus-within .submenu {
                display: block;
                opacity: 1;
                visibility: visible;
                transform: translateX(-50%) translateY(0);
            }

            .submenu::before {
                content: '';
                position: absolute;
                top: -8px;
                left: 50%;
                transform: translateX(-50%);
                width: 0;
                height: 0;
                border-left: 8px solid transparent;
                border-right: 8px solid transparent;
                border-bottom: 8px solid white;
            }

            .submenu a {
                color: var(--text-dark);
                padding: 0.75rem 1rem;
                background: none;
                justify-content: flex-start;
                min-height: auto;
                border-radius: 8px;
                margin: 2px 0;
            }

            .submenu a:hover,
            .submenu a:focus {
                background: var(--accent-color);
                padding-left: 1rem;
                transform: translateX(4px);
            }
        }

        main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem;
        }

        @media (min-width: 768px) {
            main {
                padding: 2rem;
            }
        }

        .hero {
            text-align: center;
            padding: 3rem 1.5rem;
            background: var(--gradient-hero);
            border-radius: 24px;
            margin-bottom: 3rem;
            animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            max-width: 100%;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
            animation: pulse 8s ease-in-out infinite;
        }

        @media (min-width: 768px) {
            .hero {
                padding: 5rem 3rem;
                border-radius: 32px;
            }
        }

        .hero h1 {
            font-size: clamp(1.75rem, 5vw, 3.5rem);
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            position: relative;
            z-index: 1;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            margin-bottom: 2.5rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            color: var(--text-light);
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta {
            display: inline-block;
            background: var(--gradient-primary);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            margin: 0.5rem;
            min-height: var(--target-size);
            min-width: 200px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 1;
            overflow: hidden;
        }

        .cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
            opacity: 0;
            transition: var(--transition);
        }

        .cta:hover,
        .cta:focus {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            outline: var(--focus-outline);
            outline-offset: 3px;
        }

        .cta:hover::before,
        .cta:focus::before {
            opacity: 1;
        }

        section {
            margin-bottom: 3rem;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @media (min-width: 768px) {
            section {
                margin-bottom: 4rem;
            }
        }

        section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: clamp(1.5rem, 3.5vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -0.5px;
            position: relative;
            padding-bottom: 1rem;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--gradient-accent);
            border-radius: 2px;
        }

        h3 {
            color: var(--primary-light);
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .manifeste {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .manifeste::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-accent);
        }

        @media (min-width: 768px) {
            .manifeste {
                padding: 3rem;
            }
        }

        .manifeste > p {
            color: var(--text-light);
            margin-bottom: 2rem;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .principles {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .principle {
            background: linear-gradient(135deg, #ffffff 0%, var(--accent-color) 100%);
            padding: 1.25rem;
            border-left: 4px solid var(--primary-color);
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
            border: none;
            text-align: left;
            min-height: var(--target-size);
            min-width: 100%;
            display: flex;
            align-items: center;
            font-size: 1rem;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .principle::after {
            content: '→';
            position: absolute;
            right: 1.25rem;
            top: 50%;
            transform: translateY(-50%) rotate(90deg);
            transition: var(--transition);
            font-size: 1.2rem;
            color: var(--primary-color);
            opacity: 0.5;
        }

        .principle:hover,
        .principle:focus {
            background: var(--gradient-accent);
            outline: var(--focus-outline);
            outline-offset: 2px;
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }

        .principle:hover::after,
        .principle:focus::after {
            opacity: 1;
        }

        .principle[aria-expanded="true"] {
            background: var(--gradient-accent);
            box-shadow: var(--shadow-md);
        }

        .principle[aria-expanded="true"]::after {
            transform: translateY(-50%) rotate(-90deg);
            opacity: 1;
        }

        .principle strong {
            color: var(--primary-color);
            font-weight: 700;
        }

        .principle-details {
            display: none;
            margin-top: 1rem;
            padding: 1rem;
            font-size: 0.95rem;
            background: rgba(255,255,255,0.6);
            border-radius: 8px;
            line-height: 1.7;
            color: var(--text-dark);
        }

        .partners-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            list-style: none;
        }

        @media (min-width: 768px) {
            .partners-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 2rem;
            }
        }

        .card {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
            min-height: var(--target-size);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .card:hover,
        .card:focus-within {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            outline: var(--focus-outline);
            outline-offset: 2px;
        }

        .card:hover::before,
        .card:focus-within::before {
            transform: scaleX(1);
        }

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

        .card p {
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .ctas-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .ctas-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 3rem;
            }
        }

        .ctas-grid > div {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
        }

        .typologies-grid, .quartiers-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            list-style: none;
            margin-top: 1.5rem;
        }

        @media (min-width: 768px) {
            .typologies-grid, .quartiers-grid {
                grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            }
        }

        .cta-btn {
            background: var(--gradient-accent);
            color: var(--text-dark);
            padding: 1rem 1.5rem;
            text-align: center;
            border-radius: 12px;
            text-decoration: none;
            transition: var(--transition);
            min-height: var(--target-size);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .cta-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }

        .cta-btn:hover::before {
            left: 100%;
        }

        .cta-btn:hover,
        .cta-btn:focus {
            background: var(--gradient-primary);
            color: white;
            outline: var(--focus-outline);
            outline-offset: 2px;
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        #map {
            height: 30vh;
            border-radius: 20px;
            width: 100%;
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        @media (min-width: 1200px) {
            #map {
                height: 500px;
            }
        }

        footer {
            background: var(--gradient-primary);
            color: white;
            text-align: center;
            padding: 2rem 1.5rem;
            margin-top: 4rem;
            border-radius: 32px 32px 0 0;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
        }

        @media (min-width: 768px) {
            footer {
                padding: 3rem 2rem;
            }
        }

        footer p {
            margin-bottom: 1.5rem;
            opacity: 0.9;
            line-height: 1.7;
        }

        footer nav ul {
            list-style: none;
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }

        footer a {
            color: white;
            text-decoration: none;
            min-height: var(--target-size);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
        }

        footer a:hover,
        footer a:focus {
            outline: var(--focus-outline);
            outline-offset: 2px;
            background: rgba(255,255,255,0.1);
            transform: translateY(-2px);
        }

        .status-message {
            position: absolute;
            left: -9999px;
            width: 1px;
            height: 1px;
            overflow: hidden;
        }

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

        @keyframes pulse {
            0%, 100% { transform: scale(1) rotate(0deg); }
            50% { transform: scale(1.1) rotate(180deg); }
        }

        @media (max-width: 320px) {
            .hero, .manifeste, .card {
                padding: 1rem;
            }
            .principles {
                gap: 0.75rem;
            }
        }

        /* Scroll behavior */
        html {
            scroll-behavior: smooth;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 12px;
        }

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

        ::-webkit-scrollbar-thumb {
            background: var(--gradient-accent);
            border-radius: 6px;
            border: 2px solid var(--bg-light);
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-color);
        }