:root{--color-green: #5FD45F;--color-gold: #F3D89D;--color-dark: #1a1a1a;--color-gray: #333333;--color-gray-light: #666666;--color-white: #ffffff;--color-bg: #fafafa;--font-primary: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Montserrat", -apple-system, BlinkMacSystemFont, sans-serif;--font-numbers: "Playfair Display", Georgia, serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 6rem;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .16);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 30px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-primary);color:var(--color-gray);line-height:1.6;background:var(--color-white);overflow-x:hidden}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul{list-style:none}button{border:none;background:none;cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.brand-color{color:var(--color-green)}.gold-text{background:linear-gradient(135deg,#f3d89d,#e6c97a,#f3d89d);background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 3s linear infinite}@keyframes shimmer{to{background-position:200% center}}.scroll-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--color-green),var(--color-gold));z-index:9999;transition:width .1s ease}.navbar{position:fixed;top:0;left:0;right:0;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:var(--spacing-sm) 0;box-shadow:var(--shadow-sm);z-index:1000;transition:all var(--transition-normal)}.navbar.scrolled{padding:.7rem 0;box-shadow:var(--shadow-md)}.nav-container{display:flex;align-items:center;justify-content:space-between}.logo-img{height:45px;width:auto;transition:transform var(--transition-normal)}.logo-img:hover{transform:scale(1.05)}.nav-menu{display:flex;gap:var(--spacing-md);align-items:center}.nav-link{font-weight:500;color:var(--color-gray);position:relative;padding:.5rem 0;transition:color var(--transition-fast)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--color-green);transition:width var(--transition-normal)}.nav-link:hover{color:var(--color-green)}.nav-link:hover:after{width:100%}.burger{display:none;flex-direction:column;gap:5px;cursor:pointer}.burger span{width:25px;height:3px;background:var(--color-gray);transition:all var(--transition-normal)}.btn{display:inline-block;padding:.9rem 2rem;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;transition:all var(--transition-normal);position:relative;overflow:hidden;text-align:center}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,var(--color-green),#4AC34A);color:var(--color-white);box-shadow:0 4px 15px #5fd45f4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #5fd45f66}.btn-secondary{background:var(--color-white);color:var(--color-green);border:2px solid var(--color-green)}.btn-secondary:hover{background:var(--color-green);color:var(--color-white);transform:translateY(-2px)}.btn-hero{padding:1.1rem 2.5rem;font-size:1rem}.sticky-cta{position:fixed;bottom:-100px;right:var(--spacing-md);z-index:999;transition:bottom var(--transition-slow)}.sticky-cta.visible{bottom:var(--spacing-md)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding-top:80px}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.hero-carousel{position:relative;width:100%;height:100%;overflow:hidden}.carousel-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.5s ease-in-out,transform 4s ease-out;transform:scale(1)}.carousel-img.active{opacity:1;animation:kenburns 4s ease-out forwards}@keyframes kenburns{0%{transform:scale(1)}to{transform:scale(1.08)}}.image-overlay{position:absolute;top:20px;right:20px;background:#000000b3;color:#fff;padding:8px 16px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;z-index:10}.hero-gradient{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#1a1a1ad9,#1a1a1a99)}.hero-content{position:relative;z-index:1;text-align:center;color:var(--color-white)}.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,6vw,4.5rem);font-weight:800;line-height:1.2;margin-bottom:var(--spacing-sm);opacity:0;animation:fadeInUp 1s ease forwards .3s}.hero-subtitle{font-size:clamp(1.1rem,2.5vw,1.5rem);font-weight:400;margin-bottom:var(--spacing-lg);opacity:.95;animation:fadeInUp 1s ease forwards .6s}.hero-cta{display:flex;gap:var(--spacing-sm);justify-content:center;flex-wrap:wrap;margin-bottom:var(--spacing-lg);animation:fadeInUp 1s ease forwards .9s}.hero-stats{display:flex;gap:var(--spacing-lg);justify-content:center;flex-wrap:wrap;margin-top:var(--spacing-xl);animation:fadeInUp 1s ease forwards 1.2s}.stat-item{text-align:center}.stat-number{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;font-family:var(--font-numbers);display:inline-block}.stat-symbol{font-size:clamp(2rem,4vw,3rem);font-weight:800;font-family:var(--font-numbers);color:var(--color-gold)}.stat-label{font-size:.9rem;opacity:.9;margin-top:.5rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}section{padding:var(--spacing-xl) 0}.section-header{text-align:center;margin-bottom:var(--spacing-lg)}.section-tag{display:inline-block;background:linear-gradient(135deg,#5fd45f1a,#f3d89d1a);color:var(--color-green);padding:.5rem 1.5rem;border-radius:50px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:var(--spacing-sm)}.section-title{font-family:var(--font-display);font-size:clamp(2rem,5vw,3.5rem);font-weight:700;color:var(--color-dark);margin-bottom:var(--spacing-sm);line-height:1.2}.section-subtitle{font-size:1.1rem;color:var(--color-gray-light);max-width:600px;margin:0 auto}.concept-section{background:var(--color-bg)}.concept-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-lg)}.concept-card{background:var(--color-white);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);transform-style:preserve-3d}.concept-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}.card-tilt{transition:transform var(--transition-normal)}.concept-icon{font-size:3rem;margin-bottom:var(--spacing-sm)}.concept-card h3{font-size:1.5rem;font-weight:700;color:var(--color-dark);margin-bottom:var(--spacing-sm)}.concept-card p{color:var(--color-gray-light);line-height:1.7}.avantages-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xl);align-items:center;margin-top:var(--spacing-lg)}.avantages-visual{position:relative}.image-container{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}.image-container img{width:100%;height:auto;display:block;transition:transform var(--transition-slow)}.image-container:hover img{transform:scale(1.05)}.avantages-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.avantage-item{display:flex;gap:var(--spacing-sm);padding:var(--spacing-sm);border-radius:var(--radius-md);transition:all var(--transition-normal)}.avantage-item:hover{background:#5fd45f0d;transform:translate(10px)}.avantage-number{font-size:2rem;font-weight:800;font-family:var(--font-numbers);color:var(--color-gold);flex-shrink:0}.avantage-content h3{font-size:1.3rem;font-weight:700;color:var(--color-dark);margin-bottom:.5rem}.avantage-content p{color:var(--color-gray-light);line-height:1.7}.calculator-section{margin-top:var(--spacing-xl);background:linear-gradient(135deg,#5fd45f0d,#f3d89d0d);padding:var(--spacing-lg);border-radius:var(--radius-lg)}.calculator-section h3{font-size:1.8rem;font-weight:700;color:var(--color-dark);margin-bottom:var(--spacing-md);text-align:center}.calculator{display:grid;grid-template-columns:1fr 2fr;gap:var(--spacing-lg);align-items:center}.calculator-input{display:flex;flex-direction:column;gap:var(--spacing-sm)}.calculator-input label{font-weight:600;color:var(--color-dark)}.calculator-input input{padding:1rem;font-size:1.5rem;font-weight:700;border:2px solid var(--color-green);border-radius:var(--radius-sm);text-align:center;font-family:var(--font-numbers);transition:all var(--transition-normal)}.calculator-input input:focus{outline:none;box-shadow:0 0 0 4px #5fd45f33;transform:scale(1.02)}.calculator-input span{font-size:1.5rem;font-weight:700;font-family:var(--font-numbers);color:var(--color-gray);text-align:center}.calculator-result{display:flex;gap:var(--spacing-sm);justify-content:space-around;align-items:center}.result-item{background:var(--color-white);padding:var(--spacing-sm);border-radius:var(--radius-md);text-align:center;flex:1;box-shadow:var(--shadow-sm)}.result-item.highlight{background:linear-gradient(135deg,#f3d89d33,#f3d89d1a)}.result-item p{font-size:.85rem;color:var(--color-gray-light);margin-bottom:.5rem}.result-item h4{font-size:1.8rem;font-weight:800;font-family:var(--font-numbers);color:var(--color-dark)}.calculator-note{margin-top:var(--spacing-sm);font-size:.85rem;color:var(--color-gray-light);text-align:center;font-style:italic}.fonctionnement-section{background:var(--color-bg)}.timeline{position:relative;max-width:800px;margin:var(--spacing-lg) auto 0;padding:0 var(--spacing-md)}.timeline:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--color-green),var(--color-gold));transform:translate(-50%);z-index:1}.timeline-item{position:relative;display:grid;grid-template-columns:1fr 1fr;margin-bottom:var(--spacing-xl);gap:var(--spacing-xl)}.timeline-item:nth-child(odd) .timeline-content{grid-column:1;text-align:right}.timeline-item:nth-child(2n) .timeline-content{grid-column:2;text-align:left}.timeline-content{background:var(--color-white);padding:2rem;border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:all var(--transition-normal);position:relative}.timeline-content:before{content:"";position:absolute;top:50%;width:20px;height:3px;background:var(--color-green);transform:translateY(-50%)}.timeline-item:nth-child(odd) .timeline-content:before{right:calc(-1 * var(--spacing-xl) / 2 - 10px)}.timeline-item:nth-child(2n) .timeline-content:before{left:calc(-1 * var(--spacing-xl) / 2 - 10px)}.timeline-content:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.timeline-content h3{font-size:1.5rem;font-weight:700;color:var(--color-dark);margin-bottom:1rem}.timeline-content p{color:var(--color-gray-light);line-height:1.7}.usecases-section{background:var(--color-white)}.usecases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-lg)}.usecase-card{background:var(--color-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.usecase-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}.usecase-image{height:250px;overflow:hidden;position:relative}.usecase-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.usecase-card:hover .usecase-image img{transform:scale(1.1)}.usecase-card h3{font-size:1.4rem;font-weight:700;color:var(--color-dark);padding:var(--spacing-sm) var(--spacing-md) 0}.usecase-card p{color:var(--color-gray-light);padding:var(--spacing-sm) var(--spacing-md) var(--spacing-md);line-height:1.7}.inscription-section{padding:var(--spacing-xl) 0;background:var(--color-white)}.inscription-section.section-alt{background:var(--color-bg)}.inscription-split{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xl);align-items:center}.inscription-split.reverse{direction:rtl}.inscription-split.reverse>*{direction:ltr}.inscription-content{padding:var(--spacing-md)}.inscription-content h2{font-family:var(--font-display);font-size:2.5rem;font-weight:700;color:var(--color-dark);margin-bottom:var(--spacing-sm)}.inscription-content p{font-size:1.1rem;color:var(--color-gray-light);line-height:1.7;margin-bottom:var(--spacing-md)}.benefits-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.benefits-list li{color:var(--color-gray);font-size:1rem;padding-left:.5rem}.inscription-form-container{background:var(--color-white);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.inscription-form h3{font-size:1.8rem;font-weight:700;color:var(--color-dark);margin-bottom:var(--spacing-sm)}.form-intro{color:var(--color-gray-light);margin-bottom:var(--spacing-md)}.form-group{margin-bottom:var(--spacing-sm);position:relative}.form-group label{display:block;font-weight:600;color:var(--color-dark);margin-bottom:.5rem;font-size:.9rem}.form-group input{width:100%;padding:.9rem;border:2px solid #e0e0e0;border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;transition:all var(--transition-normal)}.form-group input:focus{outline:none;border-color:var(--color-green);box-shadow:0 0 0 4px #5fd45f1a}.form-group input:valid{border-color:var(--color-green)}.form-group input:invalid:not(:placeholder-shown){border-color:#ff6b6b}.validation-icon{position:absolute;right:15px;top:38px;font-size:1.2rem;opacity:0;transition:opacity var(--transition-fast)}.form-group input:valid+.validation-icon:after{content:"✓";color:var(--color-green);opacity:1}.form-group input:invalid:not(:placeholder-shown)+.validation-icon:after{content:"✗";color:#ff6b6b;opacity:1}.btn-submit{width:100%;margin-top:var(--spacing-sm);position:relative;overflow:hidden}.btn-loader{display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.btn-submit.loading .btn-text{opacity:0}.btn-submit.loading .btn-loader{display:block}@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}.form-note{margin-top:var(--spacing-sm);font-size:.85rem;color:var(--color-gray-light)}.faq-section{background:var(--color-bg)}.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:var(--spacing-sm);margin-top:var(--spacing-lg)}.faq-item{background:var(--color-white);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.faq-item:hover{box-shadow:var(--shadow-md)}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);cursor:pointer;-webkit-user-select:none;user-select:none}.faq-question h3{font-size:1.1rem;font-weight:600;color:var(--color-dark)}.faq-toggle{font-size:1.8rem;color:var(--color-green);font-weight:300;transition:transform var(--transition-normal)}.faq-item.active .faq-toggle{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}.faq-item.active .faq-answer{max-height:500px;padding:0 var(--spacing-md) var(--spacing-md)}.faq-answer p{color:var(--color-gray-light);line-height:1.7}.footer{background:var(--color-dark);color:var(--color-white);padding:var(--spacing-xl) 0 var(--spacing-md)}.footer-content{display:grid;grid-template-columns:1.5fr 2fr;gap:var(--spacing-xl);margin-bottom:var(--spacing-lg)}.footer-brand{max-width:400px}.footer-logo{height:50px;width:auto;margin-bottom:var(--spacing-sm)}.footer-brand p{color:#ffffffb3;line-height:1.7;margin-bottom:var(--spacing-sm)}.footer-heritage{font-size:.9rem;color:var(--color-gold);font-weight:600}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md)}.footer-column h4{font-size:1.1rem;font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-white)}.footer-column ul{display:flex;flex-direction:column;gap:.7rem}.footer-column a{color:#ffffffb3;transition:color var(--transition-fast)}.footer-column a:hover{color:var(--color-green)}.footer-bottom{text-align:center;padding-top:var(--spacing-md);border-top:1px solid rgba(255,255,255,.1)}.footer-bottom p{color:#ffffff80;font-size:.9rem}.back-to-top{position:fixed;bottom:-60px;right:var(--spacing-md);width:50px;height:50px;background:var(--color-green);color:var(--color-white);border-radius:50%;font-size:1.5rem;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);cursor:pointer;transition:all var(--transition-normal);z-index:999}.back-to-top.visible{bottom:100px}.back-to-top:hover{transform:translateY(-5px);background:#4ac34a}.toast{position:fixed;bottom:-100px;left:50%;transform:translate(-50%);background:var(--color-dark);color:var(--color-white);padding:1rem 2rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:var(--spacing-sm);z-index:9999;transition:bottom var(--transition-slow)}.toast.show{bottom:var(--spacing-md)}.toast-icon{width:24px;height:24px;background:var(--color-green);color:var(--color-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}.toast-message{font-weight:500}@media (max-width: 1024px){.avantages-content,.inscription-split,.calculator{grid-template-columns:1fr;gap:var(--spacing-md)}.inscription-split.reverse{direction:ltr}.timeline:before{left:30px}.timeline-item{grid-template-columns:auto 1fr;gap:var(--spacing-sm)}.timeline-item:nth-child(2n) .timeline-content{grid-column:2}.timeline-item:nth-child(2n) .timeline-visual{display:none}.timeline-visual{display:none}}@media (max-width: 768px){:root{--spacing-xl: 4rem;--spacing-lg: 3rem}.nav-menu{position:fixed;top:70px;left:-100%;flex-direction:column;background:var(--color-white);width:100%;padding:var(--spacing-md);box-shadow:var(--shadow-lg);transition:left var(--transition-normal)}.nav-menu.active{left:0}.burger{display:flex}.navbar .btn-primary{display:none}.hero-stats{gap:var(--spacing-md)}.hero-cta{flex-direction:column;align-items:center}.concept-grid,.usecases-grid,.faq-grid,.footer-content,.footer-links{grid-template-columns:1fr}.calculator-result{flex-direction:column}}@media (max-width: 480px){.hero-title{font-size:2rem}.section-title{font-size:1.8rem}.btn{width:100%}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.parallax-img{transition:transform .5s ease-out}@keyframes pulse{0%{box-shadow:0 4px 15px #5fd45f4d}50%{box-shadow:0 4px 25px #5fd45f80}to{box-shadow:0 4px 15px #5fd45f4d}}.btn-primary{animation:pulse 2s infinite}*{scroll-behavior:smooth}