@layer utilities {
            .mt-81 {
                margin-top: 81px !important;
            }
        }
        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
        }
        
        .container-custom {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .bg-custom {
            background-color: #F07D1A;
        }

        .text-color-custom {
            color: #F07D1A;
        }
        
        @media (min-width: 768px) {
            .container-custom {
                padding: 0 40px;
            }
        }
        
        .nav-sticky {
            position: relative;
            z-index: 1000;
            background: white;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            will-change: transform, box-shadow;
        }
        
        .nav-sticky.scrolled {
            position: fixed !important;
            top: 0 !important;
            left: 0;
            right: 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        /* Mobile uniquement (jusqu'à 640px) */
@media (max-width: 639px) {
    .nav-spacer {
        height: 57px;
        transition: all 0s;
        visibility: hidden;
    }
    
    .nav-spacer.active {
        visibility: visible;
    }
}

/* Tablettes petites (640px à 767px) */
@media (min-width: 640px) and (max-width: 767px) {
    .nav-spacer {
        height: 0px;
        transition: all 0s;
        visibility: hidden;
    }
    
    .nav-spacer.active {
        visibility: visible;
    }
}
        
        .dropdown-menu {
            display: none;
        }
        
        .dropdown:hover .dropdown-menu {
            display: block;
        }
        
        .nav-item {
            position: relative;
        }
        
        .nav-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: #F07D1A;
            transition: all 0.3s ease;
        }
        
        .dropdown:hover .dropdown-menu {
            display: block;
        }
        
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            height: 100vh;
            width: 80%;
            max-width: 400px;
            background: white;
            box-shadow: -4px 0 12px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            overflow-y: auto;
            z-index: 2000;
            display: flex;
            flex-direction: column;
        }
        
        .mobile-menu.active {
            right: 0;
        }
        
        .mobile-menu-content {
            flex: 1;
            overflow-y: auto;
        }
        
        .mobile-menu-footer {
            border-top: 1px solid #e5e7eb;
            padding: 1.5rem;
            background: white;
        }
        
        .submenu-toggle .fa-plus {
            transition: transform 0.3s ease;
        }
        
        .submenu-toggle.active .fa-plus {
            transform: rotate(45deg);
        }
        
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1999;
        }
        
        .mobile-menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .go-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #F07D1A;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 999;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        
        .go-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        
        .go-to-top:hover {
            background: #F09D1A;
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        
        .faq-item {
            transition: all 0.3s ease;
        }
        
        .faq-question {
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .faq-question:hover {
            background-color: #f9fafb;
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
        }
        
        .faq-answer.active {
            max-height: 500px;
            padding: 1rem 1.5rem;
        }
        
        .faq-icon {
            transition: transform 0.3s ease;
        }
        
        .faq-icon.rotate {
            transform: rotate(45deg);
        }
        
        .form-input {
            transition: all 0.3s ease;
        }
        
        .form-input:focus {
            outline: none;
            border-color: #F07D1A;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
            transform: translateY(-2px);
        }
        
        .submit-btn {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
        }
        
        .submit-btn:active {
            transform: translateY(0);
        }
        
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }
        }
        
        .loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }
        
        .loader.hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        .loader-1 {
            width: 60px;
            height: 60px;
            position: relative;
        }
        
        .loader-1::before, .loader-1::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            width: 100%;
            height: 100%;
            top: calc(50% - 30px);
            left: calc(50% - 30px);
            animation-duration: 3s;
            animation-timing-function: linear;
            animation-iteration-count: infinite;
        }
        
        .loader-1::before {
            border-style: solid;
            border-width: 3px 3px 3px 0;
            border-color: #F07D1A transparent transparent;
            transform: scale(0.3) rotate(0deg);
            opacity: 0.5;
            animation-name: foregroundCircle;
        }
        
        .loader-1::after {
            background: #F07D1A;
            opacity: 0.5;
            transform: scale(0);
            animation-name: backgroundCircle;
        }
        
        @keyframes foregroundCircle {
            0% {
                transform: scale(0.3) rotate(0deg);
            }
            12.5% {
                transform: scale(0.3) rotate(180deg);
            }
            25%, 50% {
                opacity: 1;
            }
            50% {
                transform: scale(1) rotate(720deg);
            }
            100% {
                transform: scale(0.3) rotate(1800deg);
                opacity: 0.5;
            }
        }
        
        @keyframes backgroundCircle {
            12.5% {
                transform: scale(0.3);
            }
            90%, 100% {
                transform: scale(2);
                opacity: 0;
            }
        }

        /* Styles pour les sections VMC */
        .hero-section {
            background: white;
        }

        .feature-box {
            background: #fef7ed;
            padding: 2rem;
            border-radius: 1rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            border: 2px solid #F07D1A;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            background: white;
        }

        .feature-icon i {
            color: #F07D1A;
            font-size: 1.2rem;
        }

        .product-box {
            background: #f3f4f6;
            border-radius: 1rem;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .product-box {
                flex-direction: row;
                align-items: center;
            }
            
            .product-content {
                flex: 1;
            }
        }

        .contact-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .contact-cards {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .contact-card {
            background: #f9fafb;
            padding: 2rem 1.5rem;
            border-radius: 1rem;
            text-align: center;
        }

        .contact-icon-wrapper {
            width: 60px;
            height: 60px;
            border: 3px solid #F07D1A;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            background: white;
        }

        .contact-icon-wrapper i {
            color: #F07D1A;
            font-size: 1.5rem;
        }

         /* Sticky navigation pour mobile */
@media (max-width: 1024px) {
    #main-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1001;
        background: white;
        transition: all 0.3s ease;
    }
    
    .mobile-nav-spacer {
        height: 0;
    }
    
    .mobile-nav-spacer.active {
        height: 140px; /* Ajustez cette valeur selon la hauteur réelle de votre header */
    }
    
    /* Ajuster le margin-top de la première section */
    .swiper.mySwiper {
        margin-top: 140px; /* Même valeur que .mobile-nav-spacer.active */
    }
}