:root{--black:#0A0A0A;--yellow:#F5C400;--white:#FFFFFF;--gray-50:#F8F8F7;--gray-100:#F0F0EF;--gray-200:#E0E0DE;--gray-600:#6B6B6A;--text:#1A1A1A;--font-heading:'Cormorant Garamond', Georgia, serif;--font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;--max-width:1200px;--section-pad:100px 24px;--radius:2px;--transition:0.3s ease}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);color:var(--text);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit}button{border:none;background:0 0;cursor:pointer;font-family:inherit}ul{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background var(--transition),box-shadow var(--transition)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between}.site-header.is-top{background:0 0}.site-header.is-scrolled{background:var(--white);box-shadow:0 1px 0 var(--gray-200)}.logo-light{display:none}.logo-dark{display:block}.site-header.is-top .logo-dark{mix-blend-mode:screen}.logo img{height:44px;width:auto;object-fit:contain}.main-nav{display:flex;align-items:center;gap:40px}.main-nav a{font-size:14px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:var(--white);transition:color var(--transition)}.site-header.is-scrolled .main-nav a{color:var(--text)}.main-nav a:hover{color:var(--yellow)}.site-header.is-scrolled .main-nav a:hover{color:var(--yellow)}.nav-cta{background:var(--yellow)!important;color:var(--black)!important;padding:10px 24px!important;font-weight:600!important;transition:background var(--transition),transform var(--transition)!important}.nav-cta:hover{background:#d4a900!important;transform:translateY(-1px)}.hamburger{display:none;flex-direction:column;gap:5px;padding:4px}.hamburger span{display:block;width:24px;height:2px;background:var(--white);transition:var(--transition);border-radius:2px}.site-header.is-scrolled .hamburger span{background:var(--black)}.hamburger.is-open span:nth-child(1){transform:translateY(7px)rotate(45deg)}.hamburger.is-open span:nth-child(2){opacity:0}.hamburger.is-open span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.mobile-menu{background:var(--black);padding:24px;display:flex;flex-direction:column;gap:16px}.mobile-menu[hidden]{display:none!important}.mobile-link{font-size:18px;font-weight:500;color:var(--white);letter-spacing:.05em;text-transform:uppercase;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}.mobile-link:last-child{border-bottom:none}.hero{position:relative;height:100vh;min-height:600px;overflow:hidden;display:flex;align-items:center;justify-content:center}.hero-slides{position:absolute;inset:0}.hero-slide{position:absolute;inset:0;background-size:cover;background-position:50%;opacity:0;transition:opacity 1.2s ease}.hero-slide.active{opacity:1}.hero-overlay{position:absolute;inset:0;background:linear-gradient( to bottom,rgba(0,0,0,.3) 0%,rgba(0,0,0,.55) 50%,rgba(0,0,0,.7) 100% );z-index:1}.hero-content{position:relative;z-index:2;text-align:center;color:var(--white);max-width:780px;padding:0 24px}.hero-eyebrow{font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--yellow);margin-bottom:20px}.hero-title{font-family:var(--font-heading);font-size:clamp(2.4rem,5.5vw,4.5rem);font-weight:400;line-height:1.1;margin-bottom:20px;letter-spacing:-.01em}.hero-subtitle{font-size:clamp(1rem,2vw,1.15rem);font-weight:300;color:rgba(255,255,255,.85);margin-bottom:40px;letter-spacing:.02em}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;transition:all var(--transition);border-radius:var(--radius)}.btn-primary{background:var(--yellow);color:var(--black)}.btn-primary:hover{background:#d4a900;transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,196,0,.3)}.btn-ghost{background:0 0;color:var(--white);border:1.5px solid rgba(255,255,255,.5)}.btn-ghost:hover{border-color:var(--white);background:rgba(255,255,255,8%)}.btn-full{width:100%}.hero-indicators{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;display:flex;gap:10px}.indicator{width:28px;height:3px;background:rgba(255,255,255,.4);border-radius:2px;transition:background var(--transition),width var(--transition)}.indicator.active{background:var(--yellow);width:48px}.section-header{text-align:center;margin-bottom:60px}.section-eyebrow{font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--yellow);margin-bottom:12px}.section-eyebrow--yellow{color:var(--yellow)}.section-title{font-family:var(--font-heading);font-size:clamp(2rem,4vw,3rem);font-weight:400;line-height:1.15;color:var(--text)}.section-title--white{color:var(--white)}.section-desc{margin-top:16px;font-size:1rem;color:var(--gray-600);max-width:560px;margin-left:auto;margin-right:auto;line-height:1.7}.section-desc--light{color:rgba(255,255,255,.7)}.services{padding:var(--section-pad);background:var(--white)}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.service-card{padding:40px 32px;border:1px solid var(--gray-200);transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition)}.service-card:hover{border-color:var(--yellow);box-shadow:0 8px 40px rgba(0,0,0,8%);transform:translateY(-4px)}.service-icon{width:56px;height:56px;background:var(--gray-50);display:flex;align-items:center;justify-content:center;margin-bottom:24px;color:var(--yellow);border-radius:var(--radius)}.service-title{font-family:var(--font-heading);font-size:1.5rem;font-weight:500;margin-bottom:16px;color:var(--text);line-height:1.2}.service-desc{font-size:.9rem;color:var(--gray-600);line-height:1.7;margin-bottom:20px}.service-list{display:flex;flex-direction:column;gap:8px}.service-list li{font-size:.85rem;color:var(--gray-600);padding-left:16px;position:relative}.service-list li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:2px;background:var(--yellow)}.realisations{padding:var(--section-pad);background:var(--gray-100)}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:48px}.filter-btn{padding:10px 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.gallery-overlay{opacity:1}.gallery-ville{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--white)}.gallery-item.hidden{display:none}.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center}.lightbox[hidden]{display:none}.lightbox-content{max-width:90vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:16px}.lightbox-img{max-width:90vw;max-height:80vh;object-fit:contain;border-radius:var(--radius)}.lightbox-caption{font-size:13px;letter-spacing:.05em;color:rgba(255,255,255,.6);text-transform:uppercase;text-align:center}.lightbox-close{position:absolute;top:20px;right:24px;font-size:32px;color:var(--white);opacity:.7;transition:opacity var(--transition);line-height:1}.lightbox-close:hover{opacity:1}.lightbox-prev,.lightbox-next{position:absolute;top:50%;transform:translateY(-50%);font-size:24px;color:var(--white);opacity:.7;padding:16px;transition:opacity var(--transition)}.lightbox-prev{left:16px}.lightbox-next{right:16px}.lightbox-prev:hover,.lightbox-next:hover{opacity:1}.contact{padding:var(--section-pad);background:var(--black)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.contact-info{display:flex;flex-direction:column;gap:36px}.contact-item{display:flex;align-items:flex-start;gap:16px}.contact-icon{width:40px;height:40px;background:rgba(245,196,0,.12);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--yellow);flex-shrink:0}.contact-label{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:4px}.contact-value{font-size:1rem;color:var(--white);font-weight:400;line-height:1.5;transition:color var(--transition)}a.contact-value:hover{color:var(--yellow)}.contact-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.85)}.form-input{width:100%;background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.35);color:var(--white);padding:14px 16px;font-size:15px;font-family:var(--font-body);border-radius:var(--radius);transition:border-color var(--transition),background var(--transition);outline:none}.form-input::placeholder{color:rgba(255,255,255,.45)}.form-input:focus{border-color:var(--yellow);background:rgba(255,255,255,.18)}.form-textarea{resize:vertical;min-height:120px}.site-footer{background:var(--black);border-top:1px solid rgba(255,255,255,8%);padding:48px 24px;text-align:center}.footer-logo{margin-bottom:16px;display:flex;justify-content:center}.footer-logo img{height:40px;width:auto}.footer-zone{font-size:13px;color:rgba(255,255,255,.4);letter-spacing:.08em;text-transform:uppercase;margin-bottom:24px}.footer-nav{display:flex;gap:32px;justify-content:center;margin-bottom:24px}.footer-nav a{font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.06em;text-transform:uppercase;transition:color var(--transition)}.footer-nav a:hover{color:var(--yellow)}.footer-legal{font-size:12px;color:rgba(255,255,255,.3);display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.footer-legal a{color:rgba(255,255,255,.4);transition:color var(--transition)}.footer-legal a:hover{color:var(--yellow)}.merci-page{min-height:100vh;background:var(--black);display:flex;align-items:center;justify-content:center;padding:40px 24px}.merci-content{text-align:center;max-width:480px}.merci-icon{margin-bottom:32px;display:flex;justify-content:center}.merci-title{font-family:var(--font-heading);font-size:2.5rem;font-weight:400;color:var(--white);margin-bottom:16px}.merci-text{font-size:1rem;color:rgba(255,255,255,.6);line-height:1.7;margin-bottom:40px}.simple-page{padding:120px 24px 80px;min-height:80vh}.back-link{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-600);margin-bottom:40px;transition:color var(--transition)}.back-link:hover{color:var(--yellow)}.prose h1{font-family:var(--font-heading);font-size:2.5rem;font-weight:400;margin-bottom:40px;color:var(--text)}.prose h2{font-family:var(--font-heading);font-size:1.4rem;font-weight:500;margin:32px 0 12px;color:var(--text)}.prose p{color:var(--gray-600);line-height:1.75;margin-bottom:16px}.prose strong{color:var(--text);font-weight:600}@media(max-width:1024px){.services-grid{grid-template-columns:1fr 1fr}.gallery-grid{columns:2}.contact-grid{grid-template-columns:1fr;gap:48px}}@media(max-width:768px){:root{--section-pad:72px 20px}.main-nav{display:none}.hamburger{display:flex}.services-grid{grid-template-columns:1fr;gap:20px}.service-card{padding:32px 24px}.gallery-grid{columns:2;column-gap:8px}.gallery-item{margin-bottom:8px}.filter-bar{gap:6px}.filter-btn{padding:8px 16px;font-size:12px}.hero-actions{gap:12px}.btn{padding:12px 24px;font-size:13px}}@media(max-width:480px){.gallery-grid{columns:1}.hero-title{font-size:2rem}.lightbox-prev{left:4px}.lightbox-next{right:4px}}