/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Nouvelle charte graphique */
    --primary-color: #2d3748;
    --secondary-color: #4a5568;
    --accent-color: #ed8936;
    --accent-hover: #dd7324;
    --background-light: #f7fafc;
    --background-white: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    --gradient-accent: linear-gradient(135deg, #ed8936 0%, #dd7324 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: var(--background-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
.header {
    background: var(--background-white);
    box-shadow: 0 2px 20px var(--shadow-light);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin: 0;
    padding: 0 40px;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.logo-light {
    font-weight: 300;
}

.logo-bold {
    font-weight: 800;
}

.logo-desktop .logo-light {
    font-weight: 300;
}

.logo-desktop .logo-bold {
    font-weight: 800;
}

.logo-mobile .logo-light {
    font-weight: 300 !important;
}

.logo-mobile .logo-bold {
    font-weight: 700 !important;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

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

.phone-button {
    display: flex;
    align-items: center;
}

.phone-link {
    background: var(--gradient-accent);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(237, 137, 54, 0.3);
    display: inline-block;
}

.phone-link:hover {
    transform: scale(1.05);
}

.phone-link:active {
    transform: scale(1.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 100px 20px 50px;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ed8936" fill-opacity="0.1" points="0,1000 1000,0 1000,1000"/></svg>');
    z-index: 1;
}

.hero-content, .hero-image {
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    margin-right: 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
    text-shadow: 0 1px 5px rgba(0,0,0,0.1);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(237, 137, 54, 0.3);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(237, 137, 54, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.8);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    border-color: white;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transition: left 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.service-card:hover::before {
    left: 0;
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.service-card p {
    color: #1e40af;
    line-height: 1.6;
}

/* Portfolio Section */
.portfolio {
    padding: 80px 0;
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 8px 25px var(--shadow-light);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    aspect-ratio: 1;
}

.portfolio-item:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease;
}

.portfolio-item:hover img {
    filter: brightness(0.8);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.9) 0%, rgba(221, 115, 36, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.portfolio-overlay::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 60px;
    height: 60px;
    border: 2px solid white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay::before {
    transform: translate(-50%, -50%) scale(1);
}

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

.portfolio-overlay i {
    font-size: 2rem;
    color: white;
}

.portfolio-load-more {
    text-align: center;
    margin-top: 3rem;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-text p {
    color: #333333;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-features {
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.feature i {
    color: var(--accent-color);
    margin-right: 0.5rem;
    font-size: 1.1em;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 40px var(--shadow-medium);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-item i {
    color: var(--accent-color);
    margin-right: 1rem;
    width: 20px;
    font-size: 1.1em;
}

.contact-hours {
    margin-top: 2rem;
}

.contact-hours h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--background-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(237, 137, 54, 0.1);
    transform: translateY(-2px);
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

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

.content-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-block.reverse {
    direction: rtl;
}

.content-block.reverse > * {
    direction: ltr;
}

.content-text h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.content-text p {
    color: #333333;
    margin-bottom: 1.2rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.content-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 40px var(--shadow-medium);
    transition: transform 0.3s ease;
}

.content-image img:hover {
    transform: scale(1.02);
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--background-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    margin-top: 3rem;
}

.faq-item {
    background: var(--background-white);
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-light);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.3s ease;
    min-height: 60px;
}

.faq-question:hover {
    background: var(--background-light);
}

.faq-question h3 {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.faq-question i {
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--background-white);
    padding: 0;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0;
}

.faq-answer p {
    padding: 1rem 2rem 1.5rem;
    margin: 0;
    color: #333333;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: var(--gradient-primary);
    color: white;
    padding: 50px 0 20px;
    position: relative;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-section a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255,255,255,0.7);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    max-height: 80%;
    margin-top: 5%;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #bbb;
}

/* Mobile Logo */
.logo-mobile {
    display: none;
}

.logo-desktop {
    display: block;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    /* Cacher le bouton téléphone desktop sur mobile */
    .phone-button {
        display: none;
    }
    
    /* Afficher le bouton téléphone flottant sur mobile */
    .floating-phone-mobile {
        display: block;
    }
    
    /* Logo mobile complet avec police fine */
    .logo-mobile {
        display: block;
        font-size: 0.75rem;
        font-weight: 300 !important;
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin: 0;
        letter-spacing: 0.5px;
        line-height: 1.2;
    }
    
    .logo-desktop {
        display: none;
    }
    
    /* Header mobile compact */
    .navbar {
        padding: 0.8rem 0;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: var(--background-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow-medium);
        padding: 2rem 0;
        border-top: 2px solid var(--accent-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        font-weight: 300;
        padding: 0.5rem 1rem;
        border-radius: 5px;
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background: var(--background-light);
        color: var(--accent-color);
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 15px 40px;
        min-height: 85vh;
    }
    
    .hero-content {
        margin-right: 0;
        margin-bottom: 2rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
        font-weight: 300;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        font-weight: 300;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .content-block {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .content-block.reverse {
        direction: ltr;
    }
    
    /* Ordre mobile : titre, image, texte */
    .content-text {
        order: 1;
        display: flex;
        flex-direction: column;
    }
    
    .content-text h2 {
        order: 1;
        margin-bottom: 1.5rem;
    }
    
    .content-text p {
        order: 3;
    }
    
    .content-image {
        order: 2;
        margin: 1rem 0;
    }
    
    /* About section mobile */
    .about-text {
        order: 1;
        display: flex;
        flex-direction: column;
    }
    
    .about-text h2 {
        order: 1;
        margin-bottom: 1rem;
    }
    
    .about-text p {
        order: 3;
    }
    
    .about-features {
        order: 4;
    }
    
    .about-image {
        order: 2;
        margin: 1rem 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
        font-weight: 300;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        font-weight: 300;
    }
    
    .section-title {
        font-size: 1.6rem;
        font-weight: 300;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        font-weight: 300;
    }
    
    .container {
        padding: 0 10px;
    }
    
    /* Logo encore plus petit sur très petit écran */
    .logo-mobile {
        font-size: 0.65rem;
        font-weight: 300 !important;
        letter-spacing: 0.3px;
    }
    
    /* Header plus compact */
    .navbar {
        padding: 0.6rem 0;
    }
    
    .nav-container {
        padding: 0 10px;
    }
    
    /* Hero plus compact */
    .hero {
        padding: 80px 10px 30px;
        min-height: 80vh;
    }
    
    /* Boutons responsive */
    .hero-buttons {
        gap: 0.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        font-weight: 400;
    }
    
    /* Tous les textes en font-weight plus léger sur mobile */
    body {
        font-weight: 300;
    }
    
    .service-card h3 {
        font-weight: 400;
    }
    
    .service-card p {
        font-weight: 300;
    }
    
    .about-text h2 {
        font-weight: 400;
    }
    
    .about-text p {
        font-weight: 300;
    }
    
    .contact-info h3,
    .contact-form h3 {
        font-weight: 400;
    }
    
    .contact-hours h4 {
        font-weight: 400;
    }
    
    /* Sections mobiles plus compactes */
    .services,
    .portfolio,
    .about,
    .contact,
    .content-section,
    .faq {
        padding: 50px 0;
    }
    
    .content-text h2 {
        font-size: 1.5rem;
    }
    
    .content-text p {
        font-size: 0.95rem;
    }
    
    .faq-question h3 {
        font-size: 0.95rem;
        font-weight: 500;
        line-height: 1.3;
    }
    
    .faq-question {
        padding: 1rem;
        min-height: 50px;
        align-items: center;
    }
    
    .faq-answer {
        padding: 0.8rem 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0;
    }
    
    .faq-answer p {
        padding: 0.8rem 1rem 1rem;
        font-size: 0.9rem;
        font-weight: 300;
        line-height: 1.5;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Bouton téléphone flottant mobile uniquement */
.floating-phone-mobile {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
}

/* Affichage forcé sur mobile */
@media screen and (max-width: 768px) {
    .floating-phone-mobile {
        display: block !important;
    }
}

/* Flèche scroll to top pour desktop */
.scroll-to-top-desktop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(45, 55, 72, 0.3);
    z-index: 2000;
}

.scroll-to-top-desktop.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(-10px);
}

.scroll-to-top-desktop:hover {
    background: var(--secondary-color);
    transform: translateY(-15px);
    box-shadow: 0 6px 20px rgba(45, 55, 72, 0.4);
}

.scroll-to-top-desktop i {
    font-size: 1rem;
}

/* Cacher la flèche desktop sur mobile */
@media screen and (max-width: 768px) {
    .scroll-to-top-desktop {
        display: none !important;
    }
}

.floating-phone-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(237, 137, 54, 0.4);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2001;
}

.floating-phone-link:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(237, 137, 54, 0.5);
}

.phone-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.wave {
    position: absolute;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0.7;
    animation: wave-animation 2s infinite;
}

.wave:nth-child(1) {
    width: 80px;
    height: 80px;
    margin: -40px 0 0 -40px;
    animation-delay: 0s;
}

.wave:nth-child(2) {
    width: 100px;
    height: 100px;
    margin: -50px 0 0 -50px;
    animation-delay: 0.5s;
}

.wave:nth-child(3) {
    width: 120px;
    height: 120px;
    margin: -60px 0 0 -60px;
    animation-delay: 1s;
}

/* Ondes plus petites sur mobile */
@media screen and (max-width: 768px) {
    .wave:nth-child(1) {
        width: 60px;
        height: 60px;
        margin: -30px 0 0 -30px;
    }

    .wave:nth-child(2) {
        width: 75px;
        height: 75px;
        margin: -37.5px 0 0 -37.5px;
    }

    .wave:nth-child(3) {
        width: 90px;
        height: 90px;
        margin: -45px 0 0 -45px;
    }
}

@keyframes wave-animation {
    0% {
        opacity: 0.7;
        transform: scale(0.1);
    }
    70% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    100% {
        opacity: 0;
        transform: scale(1);
    }
}

/* Flèche scroll to top */
.scroll-to-top {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(45, 55, 72, 0.3);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

.scroll-to-top:hover {
    background: var(--secondary-color);
    transform: translateX(-50%) translateY(-15px);
    box-shadow: 0 6px 20px rgba(45, 55, 72, 0.4);
}

.scroll-to-top i {
    font-size: 1rem;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}