:root {
            --navy: #3B5A7D;
            --turquoise: #41A5B0;
            --coral: #FF6B6B;
            --sand: #FFF8F0;
            --white: #FFFFFF;
            --dark: #1A2332;
        }

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

        body {
            font-family: 'DM Sans', sans-serif;
            background: var(--sand);
            color: var(--dark);
            overflow-x: hidden;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(59, 90, 125, 0.1);
            animation: slideDown 0.8s ease-out;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1.5rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        @media (min-width: 768px) {
            .nav-container {
                padding: 1.5rem 3rem;
            }
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--navy);
            text-decoration: none;
        }

        .logo-img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--turquoise), var(--navy));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .nav-links {
            display: none;
            gap: 3rem;
            list-style: none;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        /* Menu mobile */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: white;
            z-index: 2000;
            padding: 2rem;
            transition: left 0.3s ease;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
        }

        .mobile-menu.active {
            left: 0;
        }

        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
        }

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

        .mobile-nav-links {
            list-style: none;
            margin-top: 2rem;
        }

        .mobile-nav-links li {
            margin-bottom: 0.5rem;
        }

        .mobile-nav-links a {
            display: block;
            padding: 1rem;
            color: var(--dark);
            text-decoration: none;
            border-radius: 10px;
            transition: background 0.3s;
        }

        .mobile-nav-links a:hover {
            background: var(--sand);
        }

        .mobile-cta {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 2001;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--navy);
            border-radius: 3px;
            transition: all 0.3s;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--turquoise);
            transition: width 0.3s;
        }

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

        .cta-buttons {
            display: none;
            gap: 1rem;
        }

        @media (min-width: 1024px) {
            .cta-buttons {
                display: flex;
            }
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
            font-family: 'DM Sans', sans-serif;
        }

        .btn-primary {
            background: var(--turquoise);
            color: white;
        }

        .btn-primary:hover {
            background: var(--navy);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(65, 165, 176, 0.3);
        }

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

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

        /* Hero Section */
        .hero {
            margin-top: 100px;
            padding: 3rem 1.5rem;
            max-width: 1400px;
            margin-left: auto;
            margin-right: auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            align-items: center;
            position: relative;
        }

        @media (min-width: 768px) {
            .hero {
                padding: 4rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            .hero {
                padding: 5rem 3rem;
                grid-template-columns: 1fr 1fr;
                gap: 4rem;
            }
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(65, 165, 176, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0) scale(1);
            }
            50% {
                transform: translateY(-20px) scale(1.05);
            }
        }

        .hero-content {
            z-index: 1;
            animation: fadeInUp 1s ease-out 0.2s backwards;
        }

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

        .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--turquoise), var(--navy));
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 2rem;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(65, 165, 176, 0.4);
            }
            50% {
                box-shadow: 0 0 0 15px rgba(65, 165, 176, 0);
            }
        }

        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            color: var(--navy);
        }

        @media (min-width: 768px) {
            .hero h1 {
                font-size: 3.5rem;
            }
        }

        @media (min-width: 1024px) {
            .hero h1 {
                font-size: 4rem;
            }
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--turquoise), var(--coral));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1rem;
            line-height: 1.8;
            color: #666;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 768px) {
            .hero p {
                font-size: 1.1rem;
            }
        }

        @media (min-width: 1024px) {
            .hero p {
                font-size: 1.25rem;
            }
        }

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

        @media (min-width: 640px) {
            .hero-buttons {
                flex-direction: row;
                gap: 1.5rem;
            }
        }

        .hero-visual {
            position: relative;
            animation: fadeInUp 1s ease-out 0.4s backwards;
        }

        .hero-image {
            width: 100%;
            aspect-ratio: 1;
            border-radius: 30px;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
            padding: 3rem;
        }

        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            animation: float 6s ease-in-out infinite;
        }

        .hero-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at center, rgba(65, 165, 176, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .floating-badge {
            position: absolute;
            background: white;
            padding: 1rem 1.5rem;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
            animation: floatBadge 3s ease-in-out infinite;
        }

        @keyframes floatBadge {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-15px);
            }
        }

        .badge-1 {
            top: 10%;
            left: -5%;
            animation-delay: 0s;
        }

        .badge-2 {
            bottom: 15%;
            right: -5%;
            animation-delay: 1s;
        }

        .floating-badge strong {
            display: block;
            font-size: 1.5rem;
            color: var(--turquoise);
            font-weight: 700;
        }

        .floating-badge span {
            font-size: 0.85rem;
            color: #666;
        }

        /* Features Section */
        .features {
            padding: 4rem 1.5rem;
            background: white;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .features {
                padding: 5rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            .features {
                padding: 6rem 3rem;
            }
        }

        .features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(65, 165, 176, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(59, 90, 125, 0.05) 0%, transparent 50%);
        }

        .features-container {
            max-width: 1400px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-badge {
            display: inline-block;
            color: var(--turquoise);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 1rem;
        }

        .section-header h2 {
            font-family: 'Playfair Display', serif;
            font-size: 3rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 1rem;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
        }

        .feature-card {
            padding: 3rem;
            background: var(--sand);
            border-radius: 25px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--turquoise), var(--coral));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--turquoise), var(--navy));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            transition: transform 0.4s;
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .feature-card h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 1rem;
        }

        .feature-card p {
            color: #666;
            line-height: 1.7;
        }

        /* Pricing Section */
        .pricing {
            padding: 4rem 1.5rem;
            background: linear-gradient(135deg, var(--navy) 0%, #2a3f5f 100%);
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .pricing {
                padding: 5rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            .pricing {
                padding: 6rem 3rem;
            }
        }

        .pricing::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(65, 165, 176, 0.1) 0%, transparent 70%);
            animation: float 8s ease-in-out infinite;
        }

        .pricing-container {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .pricing .section-header {
            color: white;
        }

        .pricing .section-badge {
            color: var(--turquoise);
        }

        .pricing .section-header h2 {
            color: white;
        }

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

        .pricing-card {
            background: white;
            padding: 3rem;
            border-radius: 25px;
            position: relative;
            transition: all 0.4s;
        }

        .pricing-card.featured {
            transform: scale(1.05);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
        }

        .pricing-card.featured::before {
            content: 'POPULAIRE';
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--coral);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .pricing-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
        }

        .pricing-card h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.5rem;
        }

        .pricing-description {
            color: #666;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }

        .price {
            display: flex;
            align-items: baseline;
            margin-bottom: 2rem;
        }

        .price-amount {
            font-family: 'Playfair Display', serif;
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--turquoise);
        }

        .price-period {
            color: #666;
            margin-left: 0.5rem;
            font-size: 1rem;
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 2rem;
        }

        .pricing-features li {
            padding: 0.75rem 0;
            color: #666;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--turquoise);
            font-weight: 700;
            font-size: 1.2rem;
        }

        /* Gallery Section */
        .gallery {
            padding: 4rem 1.5rem;
            background: var(--sand);
        }

        @media (min-width: 768px) {
            .gallery {
                padding: 5rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            .gallery {
                padding: 6rem 3rem;
            }
        }

        .gallery-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .gallery-item {
            aspect-ratio: 4/3;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--turquoise), var(--navy));
            overflow: hidden;
            position: relative;
            cursor: pointer;
            transition: all 0.4s;
        }

        .gallery-item:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            z-index: 10;
        }

        .gallery-item::after {
            content: '🌴';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 4rem;
            opacity: 0.3;
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .gallery-item:has(img)::after {
            display: none;
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 1.5rem 2rem;
        }

        @media (min-width: 768px) {
            footer {
                padding: 3.5rem 2rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            footer {
                padding: 4rem 3rem 2rem;
            }
        }

        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 4rem;
            margin-bottom: 3rem;
        }

        .footer-brand h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--turquoise);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

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

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(65, 165, 176, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--turquoise);
            text-decoration: none;
            transition: all 0.3s;
        }

        .social-links a:hover {
            background: var(--turquoise);
            color: white;
            transform: translateY(-3px);
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            display: block;
            padding: 0.5rem 0;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .floating-badge {
                display: none;
            }

            .features-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .section-header h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 640px) {
            .logo {
                font-size: 1.2rem;
            }

            .logo-img {
                width: 40px;
                height: 40px;
            }

            .hero-badge {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }

            .btn {
                padding: 0.65rem 1.25rem;
                font-size: 0.9rem;
            }

            .section-header h2 {
                font-size: 1.75rem;
            }

            .feature-card,
            .pricing-card {
                padding: 2rem;
            }

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

        /* Scroll animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s, transform 0.6s;
        }

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

        /* Auth Forms - Centrage et styles */
.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #E0E0E0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'DM Sans', sans-serif;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--turquoise);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--navy);
}

.form-error {
    color: #DC3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

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