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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #0891b2;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --text-color: #1e293b;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
}

.logo i {
    font-size: 1.8rem;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

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

.nav-link:hover::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1001;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hamburger:hover {
    background: rgba(37, 99, 235, 0.15);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.hamburger span {
    width: 28px;
    height: 3.5px;
    background: var(--primary-color);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-radius: 4px;
    transform-origin: center;
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3);
}

.hamburger.active {
    background: var(--primary-color);
    transform: rotate(90deg);
}

.hamburger.active span {
    background: white;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0) rotate(180deg);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,122.7C1248,107,1344,85,1392,74.7L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-50px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.4);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.hero-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    font-size: 1.5rem;
    margin-top: 2rem;
}

.hero-phone i {
    font-size: 1.3rem;
    animation: ring 2s ease-in-out infinite;
}

@keyframes ring {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30% {
        transform: rotate(-15deg);
    }
    20%, 40% {
        transform: rotate(15deg);
    }
}

.hero-phone a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.hero-phone a:hover {
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 10px;
    background: var(--white);
    left: 50%;
    top: 10px;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-in 0.9s backwards;
}

.fade-in-delay-4 {
    animation: fadeIn 1s ease-in 1.2s backwards;
}

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

/* ===================================
   Services Section
   =================================== */
.services {
    padding: 6rem 0;
    background: var(--light-color);
}

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

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-top: 1.5rem;
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: var(--white);
    transition: var(--transition);
}

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

.service-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.service-card > p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-color);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.service-features i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 6rem 0;
    background: var(--white);
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.about-intro {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
    font-size: 1.5rem;
}

.feature-content h4 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.feature-content p {
    color: var(--gray-color);
    line-height: 1.6;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    aspect-ratio: 1;
    background: url('../images/accueil.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 8rem;
    position: relative;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.4);
    z-index: 1;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 6rem 0;
    background: var(--light-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
    font-size: 1.5rem;
}

.contact-details h4 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.contact-details p,
.contact-details a {
    color: var(--gray-color);
    text-decoration: none;
    line-height: 1.6;
}

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

.text-small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group select {
    cursor: pointer;
}

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

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    font-size: 1.1rem;
}

.mailto-section {
    text-align: center;
    padding: 2rem 0;
}

.mailto-text {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.btn-mailto {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
}

.btn-mailto i {
    font-size: 1.2rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.footer-logo .logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.7;
    margin-top: 1rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

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

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

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-section ul li i {
    font-size: 0.9rem;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Stats Section
   =================================== */
.stats {
    padding: 4rem 0;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
    position: relative;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: inline-block;
    color: var(--white);
    font-variant-numeric: tabular-nums;
    animation: countUp 0.5s ease-out;
}

@keyframes countUp {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    50% {
        transform: translateY(-5px) scale(1.1);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 500;
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: 6rem 0;
    background: var(--white);
}

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

.testimonial-card {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.testimonial-rating {
    display: flex;
    gap: 0.3rem;
    margin-top: 0.5rem;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 0.9rem;
}

/* ===================================
   Before/After Gallery Section
   =================================== */
.before-after {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.gallery-item {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

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

.comparison-slider {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    cursor: col-resize;
    background: var(--dark-color);
}

.before-image,
.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.before-image img,
.after-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.after-image {
    clip-path: inset(0 50% 0 0);
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--white);
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--white);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.slider-handle i {
    position: relative;
    z-index: 30;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.gallery-info {
    padding: 2rem;
}

.gallery-info h4 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.gallery-info p {
    color: var(--gray-color);
    line-height: 1.6;
    font-size: 1rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    /* Overlay pour le menu mobile */
    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(8px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
        z-index: 999;
    }
    
    body.menu-open::before {
        opacity: 1;
        visibility: visible;
        animation: fadeInOverlay 0.4s ease;
    }
    
    @keyframes fadeInOverlay {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    
    body.menu-open {
        overflow: hidden;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 380px;
        height: 100vh;
        background: linear-gradient(180deg, 
            #ffffff 0%, 
            #f9fafb 30%,
            #f3f4f6 60%,
            #e5e7eb 100%);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2.5rem 1.5rem;
        box-shadow: 8px 0 40px rgba(0, 0, 0, 0.3), inset -1px 0 0 rgba(37, 99, 235, 0.1);
        transition: left 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
        gap: 0.8rem;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-menu::after {
        content: '📞 07 63 31 36 87';
        display: block;
        margin-top: auto;
        padding: 1.2rem;
        background: linear-gradient(135deg, #10b981 0%, #059669 100%);
        color: white;
        text-align: center;
        border-radius: 16px;
        font-weight: 700;
        font-size: 1.1rem;
        box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4),
                    0 2px 10px rgba(0, 0, 0, 0.1),
                    inset 0 1px 0 rgba(255, 255, 255, 0.3);
        letter-spacing: 1px;
        animation: fadeInPhone 1s ease-out 0.6s both;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    @keyframes fadeInPhone {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-menu::after:hover {
        transform: scale(1.05);
        box-shadow: 0 12px 35px rgba(16, 185, 129, 0.6);
    }
    
    .nav-menu::before {
        content: '🏠 NB Sinistre';
        display: block;
        font-size: 2rem;
        font-weight: 900;
        color: var(--primary-color);
        margin-bottom: 2.5rem;
        padding: 1.5rem;
        border-radius: 20px;
        text-align: center;
        background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
        color: white;
        box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4),
                    0 2px 10px rgba(0, 0, 0, 0.1),
                    inset 0 -2px 10px rgba(0, 0, 0, 0.2);
        letter-spacing: 2px;
        animation: fadeInTitle 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    @keyframes fadeInTitle {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-menu.active {
        left: 0;
        animation: slideInMenu 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    @keyframes slideInMenu {
        from {
            left: -100%;
            transform: scale(0.95);
        }
        to {
            left: 0;
            transform: scale(1);
        }
    }
    
    .nav-menu li {
        opacity: 0;
        transform: translateX(-30px);
    }
    
    .nav-menu.active li {
        animation: fadeInMenuItem 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }
    
    .nav-menu.active li:nth-child(1) { animation-delay: 0.15s; }
    .nav-menu.active li:nth-child(2) { animation-delay: 0.25s; }
    .nav-menu.active li:nth-child(3) { animation-delay: 0.35s; }
    .nav-menu.active li:nth-child(4) { animation-delay: 0.45s; }
    
    @keyframes fadeInMenuItem {
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    .nav-link {
        padding: 1.3rem 1.8rem;
        border-radius: 18px;
        font-size: 1.2rem;
        font-weight: 700;
        transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        display: flex;
        align-items: center;
        gap: 1.2rem;
        text-align: left;
        background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
        border: 2px solid rgba(37, 99, 235, 0.1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08),
                    0 1px 3px rgba(0, 0, 0, 0.05),
                    inset 0 1px 0 rgba(255, 255, 255, 0.8);
        position: relative;
        overflow: hidden;
    }
    
    .nav-link i {
        font-size: 1.3rem;
        min-width: 24px;
        transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        height: 100%;
        width: 6px;
        background: linear-gradient(180deg, var(--primary-color), #1d4ed8);
        transform: scaleY(0);
        transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        border-radius: 0 4px 4px 0;
        box-shadow: 2px 0 8px rgba(37, 99, 235, 0.5);
    }
    
    .nav-link::after {
        content: '→';
        position: absolute;
        right: 1.5rem;
        opacity: 0;
        transform: translateX(-10px);
        transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        font-size: 1.5rem;
        color: white;
    }
    
    .nav-link:hover::before,
    .nav-link.active::before {
        transform: scaleY(1);
    }
    
    .nav-link:hover {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
        color: white;
        transform: translateX(12px) scale(1.05);
        border-color: transparent;
        box-shadow: 0 12px 30px rgba(37, 99, 235, 0.5),
                    0 4px 15px rgba(37, 99, 235, 0.3),
                    inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    
    .nav-link:hover i {
        transform: scale(1.3) rotate(10deg);
        filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
    }
    
    .nav-link:hover::after {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-link:active {
        transform: translateX(8px) scale(0.98);
        box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    }

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

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

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

    .about-image {
        order: -1;
    }

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

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

    .social-links {
        justify-content: center;
    }

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

    .comparison-slider {
        height: 300px;
        touch-action: none;
        user-select: none;
    }
    
    .slider-handle {
        width: 6px;
    }
    
    .slider-handle::before {
        width: 60px;
        height: 60px;
        border: 4px solid var(--primary-color);
    }
    
    .slider-handle i {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .comparison-slider {
        height: 250px;
    }

    .gallery-info h4 {
        font-size: 1.1rem;
    }

    .gallery-info p {
        font-size: 0.9rem;
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* ===================================
   Animations on Scroll
   =================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}