.devis-form-container{max-height:0;overflow:hidden;transition:max-height .7s ease-in-out;background-color:#ffffff1a;border-radius:10px;margin-top:30px}.devis-form-container.visible{max-height:2000px;padding:30px}#devis-form .form-group label{color:#fff}#devis-form .form-group input,#devis-form .form-group textarea,#devis-form .form-group select{background-color:#fff;border:1px solid #ddd;color:#000;padding:12px;border-radius:5px;width:100%}#devis-form .form-group select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 1rem center;background-size:1em;padding-right:2.5rem}#devis-form .form-group select option{background-color:#fff;color:#000}#devis-form .form-group input::placeholder,#devis-form .form-group textarea::placeholder{color:#666}#devis-form .form-group .is-invalid{border-color:#e53935}#devis-form .required-indicator{color:var(--primary-color);margin-left:4px}.error-message{color:#721c24;background-color:#f8d7da;border:1px solid #f5c6cb;border-radius:4px;padding:8px 12px;font-size:.9em;margin-top:5px;min-height:1em;display:none}#devis-form .form-group .is-invalid+.error-message,#devis-form .form-group .error-message:not(:empty){display:block}.success-message,.error-message-summary{padding:15px;margin-top:20px;border-radius:5px;text-align:center}.success-message{background-color:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7}.error-message-summary{background-color:#ffebee;color:#c62828;border:1px solid #ef9a9a}.header-content{display:flex;justify-content:center;align-items:center}.hero-section{height:100vh;position:relative;overflow:hidden}.video-background{position:absolute;top:0;left:0;width:100%;height:100%}#hero-video{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0006;display:flex;align-items:center;justify-content:center}.hero-content{text-align:center;color:#fff;width:100%;max-width:1200px;padding:0 20px;position:relative}.page-title,section h1.page-title{font-size:4rem!important;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5);margin-bottom:30px}.video-label-hero{font-size:2rem;color:#fff;text-shadow:1px 1px 3px rgba(0,0,0,.7);margin-top:2rem;cursor:pointer;transition:all .3s ease}.video-label-hero:hover{color:var(--gold-color)}.seminaires-section,.vente-section{position:relative;min-height:100vh;overflow:hidden}.section-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.section-background img{width:100%;height:100%;object-fit:cover}.section-overlay{position:relative;width:100%;min-height:100vh;background:#0009;z-index:2;display:flex;align-items:center}.section-title{font-size:3.5rem;color:#fff;text-align:center;margin-bottom:60px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.seminaires-content{max-width:800px;margin:0 auto}.seminaires-text{color:#fff;padding:30px;border-radius:10px;background-color:#000000b3}.seminaires-text h3{font-size:2rem;margin-bottom:30px;color:#fff}.seminaires-text p{font-size:1.1rem;line-height:1.6;margin-bottom:20px}.contact-prompt{font-weight:600;margin:30px 0}.btn-outline.light{color:#fff;border:2px solid white;padding:12px 24px;border-radius:5px;font-weight:600;text-decoration:none;transition:all .3s ease;display:inline-block;margin-top:20px}.btn-outline.light:hover{background-color:#fff;color:#000}.vente-content{max-width:800px;margin:0 auto;text-align:right}.vente-text{color:#fff;padding:30px;border-radius:10px;background-color:#000000b3}.vente-text h3{font-size:2rem;margin-bottom:30px;color:#fff}.vente-text p{font-size:1.1rem;line-height:1.6;margin-bottom:30px}.vente-buttons{display:flex;justify-content:flex-end;gap:20px}.contact-section{background-color:#fff;padding:80px 0}.contact-section .section-title{color:#333;text-shadow:none}.contact-grid{display:grid;grid-template-columns:3fr 2fr;gap:50px}.contact-form h3,.contact-info h3{font-size:1.8rem;margin-bottom:30px;color:#333}.form-row{display:flex;gap:20px}.form-row .form-group{flex:1}.form-group{margin-bottom:20px}.form-group.full-width{grid-column:span 2}.form-group label{display:block;margin-bottom:8px;font-weight:500}.form-group input,.form-group textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:5px;font-family:var(--font-primary);font-size:1rem}.form-group textarea{resize:vertical}.contact-info{padding:20px;background-color:#f8f8f8;border-radius:10px}.info-block{margin-bottom:25px}.info-block h4{font-size:1.2rem;margin-bottom:10px;color:#333}.info-block p{line-height:1.6;color:#666}@media (max-width: 992px){.page-title,section h1.page-title{font-size:3.5rem!important}.video-label-hero{font-size:1.8rem}.section-title{font-size:3rem}.seminaires-text h3,.vente-text h3{font-size:1.8rem}.contact-grid{grid-template-columns:1fr;gap:40px}.contact-info{order:-1}}@media (max-width: 768px){.page-title,section h1.page-title{font-size:3rem!important}.video-label-hero{font-size:1.5rem}.section-title{font-size:2.5rem;margin-bottom:40px}.seminaires-text h3,.vente-text h3{font-size:1.6rem}.seminaires-text p,.vente-text p{font-size:1rem}.vente-buttons{flex-direction:column;gap:15px;align-items:flex-end}.contact-form h3,.contact-info h3{font-size:1.6rem}}@media (max-width: 576px){.page-title,section h1.page-title{font-size:2.5rem!important}.video-label-hero{font-size:1.3rem}.section-title{font-size:2rem}.seminaires-text,.vente-text{padding:20px}.seminaires-text h3,.vente-text h3{font-size:1.4rem}.btn-outline.light{padding:10px 20px}}