:root{--ink:#0a0e14;--ink-2:#11161f;--paper:#f4f1ea;--paper-2:#e8e2d5;--cyan:#00d4ff;--cyan-deep:#0077a3;--rust:#a04a28;--gold:#d4af6e}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Fraunces',Georgia,serif;background:var(--ink);color:var(--paper);overflow-x:hidden;font-weight:300;line-height:1.5}
.mono{font-family:'JetBrains Mono',monospace;font-weight:400;letter-spacing:0.02em}

/* GRID FOND - carte marine */
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(0,212,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,0.03) 1px,transparent 1px);background-size:80px 80px;pointer-events:none;z-index:1}
body::after{content:'';position:fixed;inset:0;background:radial-gradient(circle at 70% 30%,rgba(0,212,255,0.08),transparent 50%);pointer-events:none;z-index:1}

/* HEADER */
header{position:fixed;top:0;left:0;right:0;z-index:100;padding:24px 48px;display:flex;justify-content:space-between;align-items:center;backdrop-filter:blur(20px);background:rgba(10,14,20,0.6);border-bottom:1px solid rgba(244,241,234,0.08)}
.logo-wrap{display:flex;align-items:center;gap:16px;text-decoration:none;color:inherit}
.logo-box{padding:8px 12px;border-radius:2px;display:flex;align-items:center;transition:transform 0.3s}
.logo-box img{height:60px;display:block}
.logo-wrap:hover .logo-box{transform:scale(1.03)}
.logo-text{display:flex;flex-direction:column;line-height:1}
.logo-text .name{font-size:14px;letter-spacing:0.15em;text-transform:uppercase;font-weight:400}
.logo-text .sub{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--cyan);letter-spacing:0.2em;margin-top:4px}

/* NAVIGATION DESKTOP */
.acc-toggle{display:none}
.acc-sub{display:none}
.navbar{display:flex;flex-direction:column;align-items:center}
.nav-list{list-style:none;display:flex;gap:40px;margin:0;padding:0}
.nav-list a{color:var(--paper);text-decoration:none;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:0.15em;text-transform:uppercase;position:relative;padding:6px 0;transition:color 0.3s;display:inline-block}
.nav-list a::before{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--cyan);transition:width 0.4s ease}
.nav-list a:hover{color:var(--cyan)}
.nav-list a:hover::before{width:100%}
.nav-list a.itemactif{color:var(--cyan)}
.nav-list a.itemactif::before{width:100%}

.smenus{display:flex;justify-content:center;flex-wrap:wrap;column-gap:28px;row-gap:6px;margin-top:14px;padding-top:12px;border-top:1px solid rgba(244,241,234,0.1)}
.smenus a{text-decoration:none}
.smenusdiv,.smenusdivactif{position:relative;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.15em;text-transform:uppercase;color:var(--cyan);padding:2px 0;transition:color 0.3s}
.smenusdiv::before,.smenusdivactif::before{content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--cyan);transition:width 0.4s ease}
.smenusdivactif{color:var(--cyan)}
.smenusdivactif::before{width:100%}
.smenus a:hover .smenusdiv{color:var(--cyan)}
.smenus a:hover .smenusdiv::before{width:100%}

/* HAMBURGER MOBILE - caché par défaut */
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.menu-toggle .bar{display:block;width:26px;height:2px;background:var(--paper);transition:all 0.3s ease}
.menu-toggle.active .bar:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--cyan)}
.menu-toggle.active .bar:nth-child(2){opacity:0}
.menu-toggle.active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--cyan)}

/* HERO */
.hero{min-height:100vh;position:relative;display:flex;align-items:center;padding:120px 48px 80px;z-index:2}
.hero-num{position:absolute;top:50%;right:5%;transform:translateY(-50%);font-size:28vw;font-weight:300;line-height:0.8;color:#1a2433;font-style:italic;z-index:0;letter-spacing:-0.05em;user-select:none;pointer-events:none}
.hero-content{max-width:1400px;width:100%;margin:0 auto;position:relative}
.hero-tag{display:inline-flex;align-items:center;gap:12px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--cyan);margin-bottom:32px;opacity:0;animation:fadeUp 0.8s 0.2s forwards}
.hero-tag::before{content:'';width:32px;height:1px;background:var(--cyan)}
.hero h1{font-size:clamp(48px,9vw,144px);font-weight:300;line-height:0.95;letter-spacing:-0.03em;margin-bottom:32px;opacity:0;animation:fadeUp 0.8s 0.4s forwards}
.hero h1 .italic{font-style:italic;color:var(--cyan);font-weight:400}
.hero h1 .small{font-size:0.4em;display:block;margin-top:16px;font-weight:300;letter-spacing:0;color:var(--paper-2)}
.hero-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:48px;max-width:900px;margin-top:80px;opacity:0;animation:fadeUp 0.8s 0.6s forwards}
.meta-item{border-top:1px solid rgba(244,241,234,0.15);padding-top:16px}
.meta-item .label{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px}
.meta-item .value{font-size:18px;font-weight:300;line-height:1.3}
.meta-item .value em{font-style:italic;color:var(--gold)}

.scroll-indicator{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:12px;opacity:0;animation:fadeUp 0.8s 1s forwards}
.scroll-indicator span{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:0.3em;text-transform:uppercase;color:var(--paper-2)}
.scroll-line{width:1px;height:60px;background:linear-gradient(to bottom,var(--cyan),transparent);animation:scrollPulse 2s infinite}

/* SECTION INTRO */
.intro{padding:160px 48px;position:relative;z-index:2;background:var(--paper);color:var(--ink)}
.intro-inner{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:180px 1fr;gap:80px;align-items:start}
.intro-visual{position:relative;width:450px;float:right;margin:0 0 24px 40px}
.intro-visual img{width:100%;height:auto;display:block;filter:grayscale(20%) contrast(1.05);transition:filter 0.6s ease}
.intro-visual:hover img{filter:grayscale(0%) contrast(1)}
.intro-visual::before{content:'';position:absolute;top:-16px;left:-16px;right:16px;bottom:16px;border:1px solid var(--cyan-deep);z-index:-1;opacity:0.4}
.intro-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,14,20,0.4));pointer-events:none}
.intro-visual-tag{position:absolute;bottom:24px;left:24px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--paper);background:rgba(10,14,20,0.6);backdrop-filter:blur(6px);padding:10px 16px;z-index:2}
.intro-label{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--rust);position:sticky;top:120px}
.intro-label::before{content:'';display:block;width:32px;height:1px;background:var(--rust);margin-bottom:16px}
.intro-textindex{font-size:clamp(21px,2.25vw,31px);font-weight:300;line-height:1.35;letter-spacing:-0.01em}
.intro-text{font-size:clamp(16px,1.5vw,21px);font-weight:300;line-height:1.6;letter-spacing:0}
.intro-text em{font-style:italic;color:var(--cyan-deep)}
.intro-text strong{font-weight:600;color:var(--ink)}
.intro-text p{margin-bottom:32px}
.intro-text .highlight{background:linear-gradient(120deg,transparent 0%,transparent 40%,rgba(0,212,255,0.2) 40%,rgba(0,212,255,0.2) 100%);padding:0 4px}
.intro-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 0.6s ease;z-index:1}
.intro-slide.active{opacity:1;position:relative;z-index:2}
.intro-visual.has-slider .intro-slide{position:absolute}
.intro-visual.has-slider .intro-slide.active{position:relative}
.intro-text a{color:var(--cyan-deep);text-decoration:none;border-bottom:1px solid rgba(0,119,163,0.35);transition:all 0.3s}
.intro-text a:hover{color:#005a7a;border-bottom-color:#005a7a}
.slide-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:44px;height:44px;border:none;background:rgba(10,14,20,0.55);color:var(--paper);font-size:24px;cursor:pointer;backdrop-filter:blur(6px);transition:background 0.3s}
.slide-nav:hover{background:var(--cyan);color:var(--ink)}
.slide-nav.prev{left:16px}
.slide-nav.next{right:16px}
.slide-dots{position:absolute;bottom:24px;right:24px;z-index:4;display:flex;gap:8px}
.slide-dots .dot{width:8px;height:8px;border-radius:50%;background:rgba(244,241,234,0.4);cursor:pointer;transition:all 0.3s}
.slide-dots .dot.active{background:var(--cyan);width:20px;border-radius:4px}

/* SECTION EXPERTISE */
.expertise{padding:160px 48px;position:relative;z-index:2;background:var(--ink);overflow:hidden}
.expertise::before{content:'EXPERTISE';position:absolute;top:80px;left:-2vw;font-size:22vw;font-weight:300;font-style:italic;color:var(--ink-2);letter-spacing:-0.03em;line-height:1;user-select:none;pointer-events:none}
.expertise-inner{max-width:1400px;margin:0 auto;position:relative}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:120px;flex-wrap:wrap;gap:40px}
.section-head .title h2{font-size:clamp(40px,6vw,88px);font-weight:300;letter-spacing:-0.02em;line-height:0.95}
.section-head .title h2 em{font-style:italic;color:var(--cyan)}
.section-head .num{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--cyan);letter-spacing:0.2em}

.services-list{display:flex;flex-direction:column}
.service-row{display:grid;grid-template-columns:80px 1fr 2fr 100px;gap:38px;padding:38px 0;border-top:1px solid rgba(244,241,234,0.1);align-items:center;transition:all 0.4s ease;cursor:pointer;position:relative}
.service-row:last-child{border-bottom:1px solid rgba(244,241,234,0.1)}
.service-row:hover{padding-left:24px;background:linear-gradient(90deg,rgba(0,212,255,0.04),transparent)}
.service-row:hover .service-arrow{transform:translateX(12px);color:var(--cyan)}
.service-row:hover h3{color:var(--cyan)}
.service-num{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--cyan);letter-spacing:0.1em}
.service-row h3{font-size:clamp(24px,2.4vw,36px);font-weight:300;letter-spacing:-0.01em;transition:color 0.3s}
.service-row h3 em{font-style:italic}
.service-row p{font-size:15px;line-height:1.6;color:var(--paper-2);max-width:480px}
.service-arrow{font-size:24px;text-align:right;transition:all 0.4s ease;color:var(--paper-2);font-weight:300}
.services-list a{display:block;text-decoration:none;color:inherit}

/* SECTION CHIFFRES */
.figures{padding:160px 48px;position:relative;z-index:2;background:var(--paper);color:var(--ink);overflow:hidden}
.figures-inner{max-width:1400px;margin:0 auto}
.figures-head{margin-bottom:100px;max-width:700px}
.figures-head .tag{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--rust);margin-bottom:24px;display:flex;align-items:center;gap:12px}
.figures-head .tag::before{content:'';width:32px;height:1px;background:var(--rust)}
.figures-head h2{font-size:clamp(40px,5vw,72px);font-weight:300;line-height:1;letter-spacing:-0.02em}
.figures-head h2 em{font-style:italic;color:var(--cyan-deep)}
.figures-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(10,14,20,0.15)}
.figure-cell{padding:48px 32px;border-right:1px solid rgba(10,14,20,0.15);border-bottom:1px solid rgba(10,14,20,0.15);position:relative}
.figure-cell:last-child{border-right:none}
.figure-cell:nth-child(1){background:var(--ink);color:var(--paper)}
.figure-cell .label{font-family:'JetBrains Mono',monospace;font-size:16px;letter-spacing:0.2em;text-transform:uppercase;color:var(--rust);margin-bottom:24px}
.figure-cell:nth-child(1) .label{color:var(--cyan)}
.figure-cell .num{font-size:clamp(56px,7vw,96px);font-weight:300;line-height:1;letter-spacing:-0.04em;margin-bottom:16px}
.figure-cell .num em{font-style:italic}
.figure-cell .desc{font-size:20px;line-height:1.5;color:rgba(10,14,20,0.7)}
.figure-cell:nth-child(1) .desc{color:rgba(244,241,234,0.7)}

.desctxt{font-size:24px;line-height:1.5;color:rgba(10,14,20,0.7);margin:50px 0 0 0}

/* SECTION CTA */
.cta{padding:200px 48px;position:relative;z-index:2;background:var(--ink);text-align:center;overflow:hidden}
.cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(0,212,255,0.1),transparent 60%)}
.cta-inner{max-width:1000px;margin:0 auto;position:relative}
.cta .pre{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.3em;text-transform:uppercase;color:var(--cyan);margin-bottom:32px}
.cta h2{font-size:clamp(48px,7vw,104px);font-weight:300;letter-spacing:-0.03em;line-height:1;margin-bottom:48px}
.cta h2 em{font-style:italic;color:var(--cyan)}
.cta-btn{display:inline-flex;align-items:center;gap:16px;font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:0.2em;text-transform:uppercase;color:var(--ink);background:var(--cyan);padding:24px 48px;text-decoration:none;border-radius:0;transition:all 0.3s;position:relative;overflow:hidden}
.cta-btn::before{content:'';position:absolute;inset:0;background:var(--paper);transform:translateY(100%);transition:transform 0.4s ease;z-index:-1}
.cta-btn:hover::before{transform:translateY(0)}
.cta-btn:hover{background:var(--paper)}
.cta-btn span{transition:transform 0.3s}
.cta-btn:hover span{transform:translateX(6px)}

/* FOOTER */
footer{padding:80px 48px 40px;background:var(--ink-2);position:relative;z-index:2;color:var(--paper-2)}
.footer-inner{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:80px;margin-bottom:80px}
.footer-logo-box{padding:12px 16px;border-radius:2px;display:inline-flex;margin-bottom:24px}
.footer-logo-box img{height:68px;display:block}
.footer-brand p{font-size:14px;line-height:1.6;max-width:320px;opacity:0.7}
.footer-col .frck{display:block;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--cyan);padding:0 0 20px 0;font-weight:bold}
.footer-col a,.footer-col p{display:block;color:var(--paper-2);text-decoration:none;font-size:14px;margin-bottom:10px;transition:color 0.3s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{padding-top:32px;border-top:1px solid rgba(244,241,234,0.1);display:flex;justify-content:space-between;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.1em;color:rgba(244,241,234,0.6);flex-wrap:wrap;gap:16px}

/* BOUTON RETOUR HAUT */
.scroll-top{position:fixed;bottom:32px;right:32px;width:52px;height:52px;background:var(--cyan);color:var(--ink);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;opacity:0;visibility:hidden;transition:all 0.4s ease;z-index:200;box-shadow:0 6px 20px rgba(0,212,255,0.4)}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{background:var(--paper);transform:translateY(-4px)}

/* SÉLECTEUR DE LANGUE */
.lang-switch{display:flex;align-items:center;margin-left:32px}
.lang-link{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--paper);padding:8px 14px;border:1px solid rgba(244,241,234,0.15);transition:all 0.3s;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.2em;text-transform:uppercase}
.lang-link:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,212,255,0.05)}
.flag-icon{display:block;border-radius:1px}
.lang-label{font-weight:500}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes scrollPulse{0%,100%{opacity:0.3}50%{opacity:1}}

/* ============================================ */
/* RESPONSIVE MOBILE                            */
/* ============================================ */
@media(max-width:980px){
header{position:relative;flex-wrap:wrap;padding:16px 20px;gap:12px}
.logo-wrap{flex:1;gap:10px}
.logo-box img{height:40px}
.logo-text .name{font-size:11px}
.logo-text .sub{font-size:9px}
.lang-switch{order:1;margin-left:auto;margin-right:12px}
.lang-link{padding:6px 10px;font-size:10px;gap:6px}
.flag-icon{width:22px;height:16px}
.menu-toggle{display:flex;position:absolute;top:72px;left:20px;z-index:5}
.navbar{order:3;width:100%;flex-direction:column;align-items:stretch}
.nav-list{flex-direction:column;gap:0;width:100%;max-height:0;overflow:hidden;transition:max-height 0.5s ease}
.navbar.open .nav-list{max-height:80vh;overflow-y:auto;border-top:1px solid rgba(244,241,234,0.1);margin-top:12px}
.nav-list li{width:100%}
.nav-list a{display:block;padding:14px 4px;font-size:13px;border-bottom:1px solid rgba(244,241,234,0.05)}
.smenus{display:none}
.nav-list li.has-acc{position:relative}
.acc-toggle{display:flex;align-items:center;justify-content:center;position:absolute;top:0;right:0;width:52px;height:48px;background:none;border:none;border-left:1px solid rgba(244,241,234,0.05);color:var(--paper);font-size:24px;font-weight:300;cursor:pointer;transition:all 0.3s;z-index:2}
.nav-list li.open-acc>.acc-toggle{color:var(--cyan);transform:rotate(45deg)}
.acc-sub{display:block;max-height:0;overflow:hidden;transition:max-height 0.4s ease;background:rgba(0,212,255,0.03)}
.nav-list li.open-acc>.acc-sub{max-height:600px}
.acc-item{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--paper-2);padding:12px 16px 12px 32px;border-bottom:1px solid rgba(244,241,234,0.04);transition:color 0.3s}
.acc-sub a{text-decoration:none;display:block}
.acc-sub a:hover .acc-item{color:var(--cyan)}
.acc-item.acc-actif{color:var(--cyan);border-left:2px solid var(--cyan)}
.hero{min-height:auto;padding:30px 20px 40px}
.hero-meta{grid-template-columns:1fr 1fr;gap:32px;margin-top:60px}
.intro{padding:100px 24px}
.intro-inner{grid-template-columns:1fr;gap:48px}
.intro-label{position:static}
.intro-visual{width:100%;float:none;margin:0 0 32px 0}
.expertise{padding:100px 24px}
.service-row{grid-template-columns:50px 1fr;gap:20px;padding:32px 0}
.service-row p,.service-arrow{display:none}
.figures{padding:100px 24px}
.figures-grid{grid-template-columns:1fr 1fr}
.figure-cell:nth-child(2){border-right:none}
.cta{padding:120px 24px}
.footer-inner{grid-template-columns:1fr 1fr;gap:48px}
.scroll-top{bottom:20px;right:20px;width:44px;height:44px;font-size:18px}
.intro-inner{grid-template-columns:1fr}
.intro-visual{width:100%;order:-1}
}

@media(max-width:600px){
.hero h1{font-size:48px}
.hero-num{font-size:60vw;right:-30%}
.figures-grid{grid-template-columns:1fr}
.figure-cell{border-right:none}
.footer-inner{grid-template-columns:1fr;gap:32px}
}