:root{--noir:#0a0a0a;--blanc:#ffffff;--gris-clair:#f5f5f5;--gris-moyen:#9a9a9a;--accent:#c8a45e;--accent-hover:#d4b36e;--gris-fonce:#1a1a1a;--transition:transform 0.3s ease,opacity 0.3s ease,color 0.3s ease,background 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px;overflow-x:hidden}body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:var(--blanc);background:var(--noir);font-size:17px;line-height:1.7;overflow-x:hidden}nav{position:fixed;top:0;width:100%;z-index:1000;padding:20px 60px;display:flex;justify-content:space-between;align-items:center;background:rgba(10,10,10,.95);border-bottom:1px solid rgba(255,255,255,.05)}.logo{font-family:'Playfair Display',serif;font-size:1.5rem;font-weight:600;letter-spacing:2px;color:var(--blanc);text-decoration:none;transition:all .3s ease}.logo span{color:var(--accent)}.logo:hover{color:var(--accent);text-shadow:0 0 20px rgba(200,164,94,.3)}.logo:hover span{text-shadow:0 0 25px rgba(200,164,94,.5)}.nav-links{display:flex;gap:35px;list-style:none}.nav-links a{color:var(--gris-moyen);text-decoration:none;font-size:.9rem;font-weight:500;letter-spacing:1px;text-transform:uppercase;transition:var(--transition)}.nav-links a:hover{color:var(--blanc)}.nav-links .nav-cta{background:var(--accent);color:var(--noir);padding:10px 24px;border-radius:4px;font-weight:600}.nav-links .nav-cta:hover{background:var(--accent-hover)}.lang-switcher{display:flex;gap:2px;border:1px solid rgba(255,255,255,.15);border-radius:4px;overflow:hidden}.lang-btn{background:0 0;border:none;color:var(--gris-moyen);font-size:.7rem;font-weight:600;letter-spacing:.5px;padding:5px 8px;cursor:pointer;transition:all .3s ease}.lang-btn.active{background:var(--accent);color:var(--noir)}.lang-btn:hover:not(.active){color:var(--blanc)}body.light-mode .lang-switcher{border-color:rgba(0,0,0,.15)}body.light-mode .lang-btn{color:#666}body.light-mode .lang-btn:hover:not(.active){color:var(--noir)}.hero{min-height:100vh;display:flex;align-items:center;padding:0 60px;position:relative;background:linear-gradient(135deg,#1a1a2e 0,#16213e 40%,#0f3460 100%);background-size:cover;background-position:center}.hero.hero-loaded{background-image:url('images/hero.webp')}.hero-content{max-width:700px;z-index:2;background:rgba(10,10,10,.6);padding:50px;border-radius:16px;backdrop-filter:blur(6px)}.hero-badge{display:inline-block;padding:10px 22px;border:1px solid var(--accent);border-radius:30px;font-size:.82rem;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:30px;animation:subtleFloat 4s ease-in-out infinite}.hero h1{font-family:'Playfair Display',serif;font-size:4.2rem;font-weight:700;line-height:1.15;margin-bottom:24px}.hero h1 em{font-style:normal;color:var(--accent)}.hero p{font-size:1.3rem;color:var(--blanc);max-width:540px;margin-bottom:40px;line-height:1.8}.hero-buttons{display:flex;gap:16px;align-items:center}.btn-primary{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:var(--noir);padding:17px 38px;border-radius:4px;text-decoration:none;font-weight:600;font-size:1.05rem;transition:var(--transition)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}.btn-secondary{display:inline-flex;align-items:center;gap:10px;background:0 0;color:var(--blanc);padding:17px 38px;border:1px solid rgba(255,255,255,.2);border-radius:4px;text-decoration:none;font-weight:500;font-size:1.05rem;transition:var(--transition)}.btn-secondary:hover{border-color:var(--blanc)}.social-proof-bar{display:flex;justify-content:center;align-items:center;gap:40px;padding:30px 60px;background:var(--gris-fonce);border-bottom:1px solid rgba(200,164,94,.15)}.proof-item{text-align:center}.proof-number{display:block;font-family:'Playfair Display',serif;font-size:2.4rem;font-weight:700;color:var(--accent);line-height:1.2}.proof-label{font-size:.88rem;color:var(--gris-moyen);letter-spacing:1px;text-transform:uppercase;margin-top:6px;display:block}.proof-divider{width:1px;height:40px;background:rgba(255,255,255,.1)}body.light-mode .social-proof-bar{background:#f0ede8;border-bottom-color:rgba(200,164,94,.2)}body.light-mode .proof-divider{background:rgba(0,0,0,.1)}@media (max-width:768px){.social-proof-bar{flex-wrap:wrap;gap:20px;padding:25px 20px}.proof-divider{display:none}.proof-item{flex:1 1 40%}.proof-number{font-size:1.6rem}}.section-light{background:var(--gris-clair);color:var(--noir);padding:100px 60px}.section-dark{background:var(--noir);color:var(--blanc);padding:100px 60px}.section-header{text-align:center;max-width:750px;margin:0 auto 60px}.section-tag{font-size:.85rem;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:18px;display:block}.section-header h2{font-family:'Playfair Display',serif;font-size:2.9rem;font-weight:600;margin-bottom:22px;line-height:1.2}.section-header p{font-size:1.2rem;color:var(--gris-moyen);line-height:1.8}.section-light .section-header p{color:#666}.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;max-width:1100px;margin:0 auto 50px}.service-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:35px 25px;text-align:center;transition:all .4s cubic-bezier(.25, .46, .45, .94);display:flex;flex-direction:column;align-items:center;position:relative;overflow:visible}.service-card:hover{background:rgba(255,255,255,.06);border-color:var(--accent);transform:translateY(-8px);box-shadow:0 15px 40px rgba(200,164,94,.12)}.service-card::after{content:attr(data-tooltip);position:absolute;bottom:-40px;left:50%;transform:translateX(-50%) translateY(5px);background:var(--accent);color:var(--noir);padding:6px 14px;border-radius:4px;font-size:.75rem;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;z-index:10}.service-card:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}.service-icon{width:70px;height:70px;border-radius:50%;background:rgba(200,164,94,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem;color:var(--accent);transition:transform .4s ease,background .4s ease}.service-card:hover .service-icon{transform:scale(1.1) rotate(5deg);background:rgba(200,164,94,.2)}.service-icon svg{stroke:var(--accent)}.service-card h3{font-family:'Playfair Display',serif;font-size:1.25rem;margin-bottom:12px;color:var(--blanc)}.service-card p{color:var(--gris-moyen);font-size:1rem;line-height:1.7;margin-bottom:15px;flex-grow:1}.service-price-tag{display:inline-block;font-size:.8rem;font-weight:600;color:var(--accent);border:1px solid rgba(200,164,94,.3);padding:5px 14px;border-radius:20px}.services-cta{text-align:center;margin-top:10px}.packs-grid{display:flex;gap:0;align-items:stretch;justify-content:center;max-width:1100px;margin:0 auto}.pack-card{background:var(--blanc);border:1px solid #e8e4de;padding:40px 32px;width:320px;position:relative;transition:all .4s cubic-bezier(.16, 1, .3, 1);display:flex;flex-direction:column;text-align:center}.pack-card:first-child{border-radius:20px 0 0 20px}.pack-card:last-child{border-radius:0 20px 20px 0}.pack-card:hover{transform:translateY(-5px);box-shadow:0 20px 60px rgba(0,0,0,.08)}.pack-card.featured{background:var(--noir);color:var(--blanc);padding:52px 36px;width:360px;z-index:2;border-radius:20px;border:none;box-shadow:0 30px 80px rgba(0,0,0,.25);transform:scale(1.04)}.pack-card.featured:hover{transform:scale(1.04) translateY(-5px);box-shadow:0 40px 100px rgba(0,0,0,.35)}.pack-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--blanc);padding:6px 22px;border-radius:100px;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}.pack-name{font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;opacity:.45;color:var(--noir);margin-bottom:10px}.pack-card.featured .pack-name{color:var(--accent);opacity:1}.pack-price{font-size:2.8rem;font-weight:800;color:var(--noir);line-height:1;margin-bottom:2px}.pack-price small{font-size:1rem;font-weight:400;opacity:.4}.pack-price span{font-size:.85rem;font-weight:400;color:var(--gris-moyen)}.pack-card.featured .pack-price{color:var(--blanc)}.pack-period{font-size:.82rem;opacity:.4;color:var(--noir);margin-bottom:24px}.pack-card.featured .pack-period{color:var(--blanc)}.pack-features{list-style:none;text-align:left;margin:0 0 28px;padding:0;flex:1}.pack-features li{padding:9px 0;border-bottom:1px solid rgba(0,0,0,.05);color:#444;font-size:.88rem;display:flex;align-items:center;gap:10px}.pack-card.featured .pack-features li{border-bottom-color:rgba(255,255,255,.08);color:rgba(255,255,255,.85)}.pack-features li::before{content:"\2713";color:var(--accent);font-weight:700;font-size:.9rem}.pack-btn{display:block;padding:15px;border-radius:12px;text-decoration:none;font-weight:600;font-size:.85rem;transition:var(--transition);margin-top:auto;text-align:center;background:0 0;border:2px solid var(--noir);color:var(--noir)}.pack-btn:hover{background:var(--noir);color:var(--blanc)}.pack-card.featured .pack-btn{background:var(--accent);color:var(--blanc);border-color:var(--accent)}.pack-card.featured .pack-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;max-width:1100px;margin:0 auto}.advantage-card{text-align:center;padding:40px 30px}.advantage-icon{width:60px;height:60px;border-radius:50%;background:rgba(200,164,94,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--accent)}.advantage-icon svg{stroke:var(--accent)}.advantage-card h3{font-family:'Playfair Display',serif;font-size:1.35rem;margin-bottom:14px}.advantage-card p{color:var(--gris-moyen);font-size:1.05rem;line-height:1.75}.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;max-width:1100px;margin:0 auto}.project-card{position:relative;overflow:hidden;border-radius:12px;aspect-ratio:4/3;cursor:pointer}.project-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,filter .6s ease;filter:blur(8px)}.project-card img.loaded{filter:blur(0)}.project-card:hover img{transform:scale(1.05)}.project-card .project-overlay{position:absolute;bottom:0;left:0;right:0;padding:40px 25px 25px;background:linear-gradient(transparent,rgba(0,0,0,.85));transition:var(--transition)}.project-overlay h3{font-family:'Playfair Display',serif;font-size:1.5rem;color:var(--blanc);margin-bottom:6px}.project-overlay .project-location{font-size:.8rem;letter-spacing:1px;text-transform:uppercase;color:var(--accent);margin-bottom:10px;display:block}.project-overlay .project-count{font-size:.8rem;color:rgba(255,255,255,.7);display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);padding:5px 12px;border-radius:20px;backdrop-filter:blur(10px)}.portfolio-cta{text-align:center;margin-top:50px}#realisations{background:var(--blanc)}.lightbox{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.95);z-index:9999;align-items:center;justify-content:center;flex-direction:column}.lightbox.active{display:flex}.lightbox-close{position:absolute;top:20px;right:30px;font-size:2rem;color:var(--blanc);cursor:pointer;z-index:10001;background:0 0;border:none;width:50px;height:50px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.lightbox-close:hover{color:var(--accent)}.lightbox-title{position:absolute;top:25px;left:30px;z-index:10001}.lightbox-title h3{font-family:'Playfair Display',serif;font-size:1.2rem;color:var(--blanc)}.lightbox-title span{font-size:.75rem;color:var(--accent);letter-spacing:1px;text-transform:uppercase}.lightbox-main{width:100%;height:70vh;display:flex;align-items:center;justify-content:center;position:relative;padding:0 80px}.lightbox-main img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;transition:opacity .3s ease}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:var(--blanc);width:50px;height:50px;border-radius:50%;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:var(--transition);z-index:10001}.lightbox-nav:hover{background:var(--accent);color:var(--noir);border-color:var(--accent)}.lightbox-prev{left:15px}.lightbox-next{right:15px}.lightbox-thumbs{display:flex;gap:10px;margin-top:25px;padding:0 30px;overflow-x:auto;max-width:100%}.lightbox-thumb{width:80px;height:55px;border-radius:6px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:var(--transition);flex-shrink:0;opacity:.5}.lightbox-thumb.active{border-color:var(--accent);opacity:1}.lightbox-thumb:hover{opacity:.85}.lightbox-thumb img{width:100%;height:100%;object-fit:cover}.lightbox-counter{color:rgba(255,255,255,.7);font-size:.8rem;margin-top:15px;letter-spacing:1px}.apropos-container{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:300px 1fr;gap:60px;align-items:center}.apropos-portrait{position:relative}.apropos-portrait img{width:100%;border-radius:12px;object-fit:cover;aspect-ratio:3/4;transition:filter .6s ease;filter:blur(8px)}.apropos-portrait img.loaded{filter:blur(0)}.apropos-portrait::after{content:'';position:absolute;bottom:-12px;right:-12px;width:100%;height:100%;border:2px solid var(--accent);border-radius:12px;z-index:-1}.apropos-text{text-align:left}.apropos-text p{color:#555;font-size:1.18rem;line-height:1.8;margin-bottom:20px;text-align:left}.apropos-details{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px;text-align:left}.apropos-detail strong{display:block;color:var(--accent);font-size:1rem;margin-bottom:6px}.apropos-detail span{color:#666;font-size:.85rem}.formation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:1100px;margin:0 auto}.formation-card{background:var(--blanc);border-radius:12px;padding:40px 30px;text-align:center;transition:var(--transition);border:1px solid #e8e8e8;display:flex;flex-direction:column}.formation-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08)}.formation-icon{width:64px;height:64px;border-radius:50%;background:rgba(200,164,94,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--accent);transition:transform .4s ease,background .4s ease}.formation-icon svg{stroke:var(--accent)}.formation-card:hover .formation-icon{transform:scale(1.1) rotate(5deg);background:rgba(200,164,94,.2)}.formation-card h3{font-family:'Playfair Display',serif;font-size:1.3rem;color:var(--noir);margin-bottom:12px}.formation-card p{color:#666;font-size:1.02rem;line-height:1.75;margin-bottom:20px;flex-grow:1}.formation-price{font-size:1.3rem;font-weight:700;color:var(--noir);margin-bottom:20px}.formation-price span{font-size:.8rem;font-weight:400;color:var(--gris-moyen)}.formation-btn{display:block;padding:12px;border-radius:6px;text-decoration:none;font-weight:600;font-size:.85rem;transition:var(--transition);background:0 0;color:var(--noir);border:2px solid var(--noir)}.formation-btn:hover{background:var(--noir);color:var(--blanc)}.testimonial-section{background:linear-gradient(135deg,#0a0a0a 0,#131318 50%,#0a0a0a 100%);padding:100px 60px;text-align:center;position:relative;overflow:hidden}.testimonial-deco{position:absolute;top:30px;left:50%;transform:translateX(-50%);font-family:'Playfair Display',serif;font-size:10rem;color:var(--accent);opacity:.06;line-height:1;pointer-events:none;user-select:none}.testimonials-wrapper{max-width:750px;margin:35px auto 0;position:relative;min-height:200px;z-index:1}.testimonial-slide{display:none;animation:fadeInTestimonial .6s ease}.testimonial-slide.active{display:block}@keyframes fadeInTestimonial{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.testimonial-quote{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:1.45rem;font-weight:400;max-width:750px;margin:0 auto 28px;line-height:1.75;color:rgba(255,255,255,.9);letter-spacing:.2px}.testimonial-dots{display:flex;gap:10px;justify-content:center;margin-top:30px;position:relative;z-index:1}.testimonial-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.15);cursor:pointer;border:none;transition:var(--transition)}.testimonial-dot.active{background:var(--accent);transform:scale(1.2)}.testimonial-dot:hover{background:rgba(255,255,255,.3)}.contact-section{background:var(--blanc);padding:100px 60px;border-top:3px solid var(--accent)}.contact-wrapper{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start}.contact-info .section-tag{color:#7d6118}.contact-info h2{font-family:'Playfair Display',serif;font-size:2.7rem;color:var(--noir);margin-bottom:16px;line-height:1.2}.contact-info>p{color:#555;font-size:1.15rem;line-height:1.7;margin-bottom:35px}.contact-details{display:flex;flex-direction:column;gap:14px}.contact-detail-item{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--gris-clair);border:1px solid rgba(0,0,0,.06);border-radius:10px;text-decoration:none;color:inherit;transition:all .3s ease}a.contact-detail-item:hover{background:#fff;border-color:var(--accent);transform:translateX(4px);box-shadow:0 4px 16px rgba(200,164,94,.1)}.contact-detail-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:rgba(200,164,94,.1);border-radius:10px;flex-shrink:0;color:var(--accent)}.contact-detail-icon svg{stroke:var(--accent)}.contact-detail-item div{display:flex;flex-direction:column;gap:2px}.contact-detail-item strong{font-size:.85rem;font-weight:600;color:var(--noir);letter-spacing:.5px;text-transform:uppercase}.contact-detail-item span{font-size:.9rem;color:#666}.contact-form-card{background:var(--gris-clair);border:1px solid rgba(0,0,0,.06);border-radius:16px;padding:40px}.contact-form-card h3{font-family:'Playfair Display',serif;font-size:1.3rem;color:var(--noir);margin-bottom:28px;font-weight:500}.contact-form{text-align:left}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.form-group{display:flex;flex-direction:column}.form-group.full-width{margin-bottom:20px}.form-group label{font-size:.92rem;font-weight:600;color:#444;margin-bottom:6px;letter-spacing:.3px}.form-group input,.form-group textarea{padding:14px 16px;border:1px solid rgba(0,0,0,.1);border-radius:8px;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:1.02rem;background:var(--blanc);color:var(--noir);transition:all .3s ease}.form-group input:focus,.form-group textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,164,94,.12);background:#fff}.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(0,0,0,.3)}.form-group textarea{resize:vertical;min-height:100px}.btn-submit{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--noir);padding:17px 40px;border:none;border-radius:8px;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-weight:600;font-size:1.05rem;cursor:pointer;transition:all .3s ease;width:100%;justify-content:center;letter-spacing:.5px}.btn-submit:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 25px rgba(200,164,94,.25)}.form-success{margin:20px 0 0;padding:20px 24px;background:rgba(200,164,94,.08);border-radius:8px;color:var(--noir);font-weight:600;border-left:4px solid var(--accent)}body.light-mode .contact-section{background:var(--gris-clair)}@media 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