:root{
  --navy:#0d2238; --navy-2:#122c46; --gold:#c8a46b; --cream:#f7f5f0;
  --white:#fff; --text:#18222c; --muted:#66717b; --line:#ddd9d1;
  --serif:"Playfair Display",Georgia,serif; --sans:"DM Sans",Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:var(--sans);line-height:1.65;background:var(--white)}
a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 80px));margin:auto}
.site-header{height:82px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 42px;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(0,0,0,.06)}
.brand{display:flex;flex-direction:column}.brand-name{font-family:var(--serif);font-size:30px;letter-spacing:.28em;line-height:1}.brand-sub{font-size:8px;letter-spacing:.08em;color:#727a82;margin-top:5px}
.nav{display:flex;align-items:center;gap:30px;font-size:11px;letter-spacing:.07em;text-transform:uppercase}.nav a{padding:30px 0}.nav a:hover{color:var(--gold)}.nav-cta{border:1px solid var(--gold);padding:11px 18px!important}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--navy)}
.hero{min-height:700px;position:relative;display:flex;align-items:center;background:linear-gradient(90deg,rgba(7,25,42,.84),rgba(7,25,42,.45)),url("/assets/images/accueil.jpg") center/cover}
.hero-content{position:relative;z-index:2;color:#fff;padding-top:40px}.eyebrow{font-size:10px;letter-spacing:.26em;color:#e1c998;font-weight:600;margin:0 0 18px}.eyebrow.dark{color:#9b8054}
h1,h2{font-family:var(--serif);font-weight:500;line-height:1.1;margin:0}h1{font-size:clamp(44px,5vw,72px);max-width:760px}h2{font-size:clamp(34px,4vw,52px);color:var(--navy)}h3{line-height:1.2;margin:0 0 10px}
.hero-text{font-size:16px;max-width:610px;margin:25px 0 0;color:rgba(255,255,255,.9)}.hero-text-small{font-size:14px;margin-top:12px;color:rgba(255,255,255,.72)}
.button{display:inline-flex;align-items:center;gap:24px;padding:14px 22px;border:1px solid;letter-spacing:.1em;text-transform:uppercase;font-size:10px;font-weight:600;transition:.25s}.button span{font-size:16px}.button-light{border-color:var(--gold);color:#fff;margin-top:30px}.button-light:hover{background:var(--gold);color:var(--navy)}.button-outline{border-color:rgba(255,255,255,.55);color:#fff;margin-top:20px}.button-outline:hover{background:#fff;color:var(--navy)}.button-dark{border-color:var(--navy);color:var(--navy);margin-top:22px}.button-dark:hover{background:var(--navy);color:#fff}.button-gold{border:0;background:var(--gold);color:var(--navy);cursor:pointer;justify-content:center}.button-gold:hover{background:#d9bb88}
.hero-scroll{position:absolute;right:42px;bottom:28px;color:#fff;font-size:9px;letter-spacing:.2em;z-index:2}.hero-scroll span{font-size:18px;margin-left:8px}
.section{padding:105px 0}.section-heading{margin-bottom:55px}.section-heading.center{text-align:center}
.expertise-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line)}.expertise-card{padding:42px 22px 20px;border-right:1px solid var(--line)}.expertise-card:first-child{padding-left:0}.expertise-card:last-child{border-right:0}.icon{display:block;color:var(--gold);font-size:30px;margin-bottom:25px}.expertise-card h3{font-family:var(--serif);font-size:22px;color:var(--navy)}.expertise-card p{color:var(--muted);font-size:13px}.expertise-card ul{list-style:none;padding:0;margin:20px 0 0;font-size:12px;color:#4f5961}.expertise-card li{margin:7px 0}.expertise-card li:before{content:"›";color:var(--gold);margin-right:7px}
.split-feature{display:grid;grid-template-columns:1.05fr .95fr;min-height:520px}.split-image{background:center/cover}.image-heritage{background-image:url("/assets/images/investissement.jpg")}.split-content{padding:90px max(50px,7vw);display:flex;flex-direction:column;justify-content:center}.navy{background:var(--navy);color:#fff}.navy h2{color:#fff}.navy p:not(.eyebrow){max-width:540px;color:rgba(255,255,255,.72);font-size:15px}
.projects{background:var(--cream)}.projects-intro{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:50px}.projects-intro>p{max-width:380px;color:var(--muted);font-size:14px}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.project-image{height:300px;background:center/cover}.p1{background-image:url("/assets/images/realisation-01.jpg")}.p2{background-image:url("/assets/images/realisation-02.jpg")}.p3{background-image:url("/assets/images/realisation-03.jpg")}.project-meta{background:#fff;padding:20px 22px}.project-meta h3{font-family:var(--serif);font-size:19px;color:var(--navy)}.project-meta p{margin:0;color:var(--muted);font-size:11px;letter-spacing:.05em;text-transform:uppercase}
.method{background:#fff}.steps{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.step{padding:35px 25px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step span{color:var(--gold);font-size:11px;letter-spacing:.15em}.step h3{font-family:var(--serif);color:var(--navy);font-size:21px;margin-top:20px}.step p{font-size:12px;color:var(--muted)}
.about{display:grid;grid-template-columns:1fr 1fr;padding:0;background:var(--cream)}.about-image{min-height:590px;background:url("/assets/images/a-propos.jpg") center/cover}.about-content{padding:100px 0 100px 70px;margin:0}.about-content h2{max-width:620px}.about-content p:not(.eyebrow){max-width:570px;color:var(--muted);font-size:14px}
.contact{background:var(--navy);color:#fff;padding:95px 0}.contact-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:90px}.contact-intro h2{color:#fff}.contact-intro>p:not(.eyebrow){color:rgba(255,255,255,.7);max-width:390px}.contact-details{border-top:1px solid rgba(255,255,255,.16);margin-top:40px;padding-top:25px;font-size:13px;color:rgba(255,255,255,.75)}.contact-details strong{color:#fff;letter-spacing:.18em}.contact-details a:hover{color:var(--gold)}
.contact-form{padding:10px 0}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-form label{display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.72);margin-bottom:20px}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:8px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.04);color:#fff;padding:14px;font:inherit;outline:none}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--gold)}.check{display:flex!important;gap:10px;align-items:flex-start;text-transform:none!important;letter-spacing:0!important;font-size:11px!important}.check input{width:auto;margin:3px 0 0}.check span{margin-top:0}.contact-form .button{width:100%}.form-note{font-size:10px;color:rgba(255,255,255,.45);margin-top:14px}
.footer{background:#091a2b;color:#fff;padding:45px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:35px}.footer-logo{font-family:var(--serif);font-size:28px;letter-spacing:.25em}.footer p,.footer a{font-size:11px;color:rgba(255,255,255,.55)}.footer a:hover{color:var(--gold)}.footer-links{display:flex;flex-direction:column;gap:8px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;justify-content:space-between;font-size:9px;color:rgba(255,255,255,.35);letter-spacing:.08em}
@media(max-width:900px){
 .container{width:min(100% - 40px,720px)}.site-header{height:72px;padding:0 20px}.menu-toggle{display:block}.nav{position:absolute;display:none;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--line)}.nav.open{display:flex}.nav a{padding:13px 0}.nav-cta{text-align:center}.hero{min-height:690px}.hero-content{padding-bottom:50px}.hero-scroll{display:none}.expertise-grid{grid-template-columns:1fr 1fr}.expertise-card{border-bottom:1px solid var(--line)}.expertise-card:nth-child(2){border-right:0}.split-feature{grid-template-columns:1fr}.split-image{min-height:380px}.split-content{padding:70px 20px}.projects-intro{display:block}.project-grid{grid-template-columns:1fr}.project-image{height:270px}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.about{grid-template-columns:1fr}.about-image{min-height:360px}.about-content{padding:70px 20px;margin:auto}.contact-grid{grid-template-columns:1fr;gap:45px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:560px){
 h1{font-size:42px}.section{padding:75px 0}.expertise-grid,.steps,.form-row,.footer-grid{grid-template-columns:1fr}.expertise-card,.step{border-right:0}.expertise-card{padding-left:0}.steps{display:block}.step{border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.hero{min-height:650px}.brand-sub{font-size:7px}.brand-name{font-size:26px}.split-image{min-height:300px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}

/* Nos partenaires */
.partners-section{background:#f7f5f1;text-align:center;overflow:hidden}
.partners-inner{padding-top:10px;padding-bottom:10px}
.partners-eyebrow{letter-spacing:.28em;margin-bottom:20px}
.partners-section h2{margin:0 auto 18px;font-size:clamp(2.2rem,4vw,4rem);font-weight:400}
.partners-intro{max-width:800px;margin:0 auto 30px;color:#6b6b6b;font-size:1.08rem;line-height:1.7}
.partners-carousel{display:grid;grid-template-columns:70px minmax(0,1fr) 70px;align-items:center;gap:20px;max-width:1100px;margin:auto}
.partner-stage{height:270px;position:relative}
.partner-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateX(25px);transition:.55s ease;pointer-events:none}
.partner-slide.active{opacity:1;transform:none;pointer-events:auto}
.partner-slide img{width:min(520px,85%);height:230px;object-fit:contain}
.partner-arrow{width:58px;height:58px;border:0;border-radius:50%;background:#e9e6e0;color:#132437;font-size:2.1rem;cursor:pointer}
.partner-dots{display:flex;justify-content:center;gap:12px;margin-top:5px}
.partner-dot{width:9px;height:9px;border:0;border-radius:50%;background:#c8c6c1;padding:0;cursor:pointer}.partner-dot.active{background:#132437}
@media(max-width:700px){.partners-intro br{display:none}.partners-carousel{grid-template-columns:42px 1fr 42px;gap:3px}.partner-stage{height:210px}.partner-slide img{height:170px;width:92%}.partner-arrow{width:40px;height:40px;font-size:1.6rem}}