:root{
  --ink:#FFFFFF;          /* fond principal blanc */
  --ink-2:#F6F8F3;        /* surfaces */
  --ink-3:#EEF3E9;
  --ivory:#18221B;        /* texte principal */
  --ivory-soft:#536057;
  --muted:#7A847D;
  --line:rgba(24,34,27,.12);
  --lime:#8CBE28;         /* accent IQMATIC */
  --lime-brand:#6CA000;   /* vert exact du logo */
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --gutter:clamp(20px,6vw,110px);
  --maxw:1560px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ivory);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video,iframe{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--lime-brand);color:#fff}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:12px;z-index:100;background:var(--ivory);color:var(--ink);padding:10px 16px}
.skip:focus{left:12px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.eyebrow{font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:14px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--lime)}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;margin:0}

/* ---------- Boutons ---------- */
.btn{white-space:nowrap;display:inline-flex;align-items:center;gap:12px;padding:15px 26px;font-size:.86rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border:1px solid transparent;transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);cursor:pointer;font-family:var(--sans)}
.btn-primary{background:var(--ivory);color:var(--ink)}
.btn-primary:hover{background:var(--lime);}
.btn-ghost{border-color:rgba(236,230,216,.35);color:var(--ivory)}
.btn-ghost:hover{border-color:var(--ivory)}
.btn .arrow{width:16px;height:1px;background:currentColor;position:relative;transition:width .35s var(--ease)}
.btn .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.btn:hover .arrow{width:24px}

/* ---------- En-tête ---------- */
.header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s;border-bottom:1px solid transparent}
.header.scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:38px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-family:var(--serif);font-weight:600;font-size:1.28rem;letter-spacing:.22em}
.brand-text span{font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav{display:flex;align-items:center;gap:38px}
.nav a.link{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ivory-soft);position:relative;padding:6px 0}
.nav a.link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--lime);transition:width .35s var(--ease)}
.nav a.link:hover{color:var(--ivory)}
.nav a.link:hover::after{width:100%}
.nav .btn{padding:12px 20px}
.menu-btn{display:none;background:none;border:0;color:var(--ivory);width:44px;height:44px;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:11px;right:11px;height:1px;background:currentColor;transition:transform .3s var(--ease),opacity .3s}
.menu-btn span:nth-child(1){top:17px}.menu-btn span:nth-child(2){top:26px}
.menu-open .menu-btn span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.menu-open .menu-btn span:nth-child(2){transform:translateY(-4.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-2;background:var(--ink) 0% 50%/cover no-repeat}
.hero-media video{width:100%;height:100%;object-fit:cover;object-position:0% 50%}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(11,22,32,.9) 0%,rgba(11,22,32,.62) 32%,rgba(11,22,32,0) 50%),
  linear-gradient(0deg,rgba(11,22,32,.9) 0%,rgba(11,22,32,0) 26%)}
.hero-content{position:relative;padding-top:84px;width:100%}
.hero-copy{max-width:max(400px,calc(40vw - max((100vw - var(--maxw)) / 2, 0px) - var(--gutter)))}
.hero h1{font-size:clamp(2.5rem,3.9vw,4.9rem);line-height:1.03;margin:26px 0 0}
.hero h1 em{display:block;font-style:italic;color:var(--ivory-soft);font-weight:500}
.hero .lead{margin:28px 0 0;color:var(--ivory-soft);font-size:1.06rem;max-width:30em}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.hero .actions .btn{padding:15px 22px;letter-spacing:.06em}
.hero-foot{position:absolute;left:0;right:0;bottom:30px}
.hero-foot .wrap{display:flex;justify-content:space-between;align-items:flex-end}
.scroll-cue{display:flex;align-items:center;gap:14px;font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.scroll-cue i{display:block;width:1px;height:46px;background:linear-gradient(var(--lime),transparent);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.video-toggle{background:rgba(11,22,32,.5);border:1px solid var(--line);color:var(--ivory-soft);font:600 .68rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;padding:10px 14px;cursor:pointer;display:none;align-items:center;gap:10px}
.video-toggle:hover{color:var(--ivory);border-color:rgba(236,230,216,.35)}
.video-toggle .ico{width:9px;height:10px;border-left:3px solid currentColor;border-right:3px solid currentColor}
.video-toggle.paused .ico{border:0;width:0;height:0;border-left:9px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent}
.has-video .video-toggle{display:inline-flex}

/* ---------- Sections ---------- */
section{position:relative}
.section{padding:clamp(96px,13vw,168px) 0}
.rule{height:1px;background:var(--line);position:relative}
.rule::after{content:"";position:absolute;left:var(--gutter);top:-4px;width:8px;height:8px;background:var(--lime-brand);transform:rotate(45deg)}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:clamp(56px,7vw,88px)}
.section-head h2{font-size:clamp(2.2rem,4.2vw,3.7rem);line-height:1.06;margin-top:22px}
.section-head > p{color:var(--ivory-soft);margin:0;max-width:30em;justify-self:end}

/* Expertises */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--ink);padding:clamp(34px,4vw,52px) clamp(26px,3vw,40px) clamp(40px,4.5vw,60px);position:relative;transition:background .5s var(--ease)}
.card::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--lime-brand);transition:width .6s var(--ease)}
.card:hover{background:var(--ink-2)}
.card:hover::before{width:100%}
.card .num{font-family:var(--serif);font-size:1rem;color:var(--lime);letter-spacing:.1em}
.card h3{font-size:clamp(1.9rem,2.6vw,2.4rem);margin:58px 0 16px}
.card p{margin:0;color:var(--ivory-soft);font-size:.98rem}
.card .glyph{position:absolute;right:clamp(26px,3vw,40px);top:clamp(34px,4vw,52px);width:44px;height:44px;opacity:.55}

/* Approche */
.approach{background:var(--ink-2)}
.approach-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(48px,8vw,120px);align-items:start}
.approach h2{font-size:clamp(2.4rem,4.6vw,4.2rem);line-height:1.04;margin-top:22px}
.approach h2 em{font-style:italic;color:var(--ivory-soft)}
.principles{list-style:none;margin:0;padding:0}
.principles li{padding:30px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:22px 1fr;gap:18px}
.principles li:last-child{border-bottom:1px solid var(--line)}
.principles .dot{width:8px;height:8px;background:var(--lime-brand);transform:rotate(45deg);margin-top:12px}
.principles h3{font-size:1.6rem;margin-bottom:6px}
.principles p{margin:0;color:var(--ivory-soft)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,7vw,100px);align-items:stretch}
.contact h2{font-size:clamp(2.4rem,4.6vw,4.2rem);line-height:1.04;margin-top:22px}
.contact .intro{color:var(--ivory-soft);margin:26px 0 0;max-width:28em}
.details{margin:48px 0 0;display:grid;gap:0}
.detail{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.detail:last-of-type{border-bottom:1px solid var(--line)}
.detail dt{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);padding-top:4px}
.detail dd{margin:0;font-size:1.02rem}
.detail dd a:hover{color:var(--lime)}
.contact .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.map{position:relative;min-height:440px;border:1px solid var(--line);background:var(--ink-2);overflow:hidden}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(1) invert(.92) contrast(.9) brightness(.9) hue-rotate(180deg);opacity:.9}
.map .map-label{position:absolute;left:18px;bottom:18px;background:rgba(11,22,32,.88);border:1px solid var(--line);padding:10px 14px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ivory-soft)}

/* Pied de page */
.footer{border-top:1px solid var(--line);padding:72px 0 40px}
.footer-grid{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:end}
.footer img{width:170px;height:auto}
.footer .tag{color:var(--ivory-soft);font-family:var(--serif);font-size:1.35rem;font-style:italic;max-width:20em}
.footer nav{display:flex;gap:28px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.footer nav a:hover{color:var(--ivory)}
.legal{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.78rem;color:var(--muted)}

/* Apparition au défilement */
.reveal{opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.12s}.reveal.d2{transition-delay:.24s}.reveal.d3{transition-delay:.36s}
.hero .reveal{transition-duration:1.4s}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .nav{gap:26px}
  .nav .btn{padding:11px 16px}
  .brand-text span{display:none}
}
@media (max-width:1024px){
  .section-head{grid-template-columns:1fr}
  .section-head > p{justify-self:start}
  .approach-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;align-items:start}
}
@media (max-width:900px){
  .nav{position:fixed;inset:84px 0 auto 0;flex-direction:column;align-items:flex-start;gap:6px;padding:20px var(--gutter) 32px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .3s,transform .3s var(--ease),visibility .3s}
  .nav a.link{font-size:1rem;padding:12px 0}
  .nav .btn{margin-top:14px}
  .menu-open .nav{opacity:1;visibility:visible;transform:none}
  .menu-open .header{background:rgba(255,255,255,.98)}
  .menu-btn{display:block}
  .cards{grid-template-columns:1fr}
  .card h3{margin-top:34px}
}
@media (max-width:760px){
  body{font-size:16px}
  .hero .actions .btn{flex:1 1 auto;justify-content:center}
  .detail{grid-template-columns:1fr;gap:4px}
  .map{min-height:320px}
  .brand-text span{display:none}
}
/* Hero empilé : tablettes, mobiles et écrans étroits (image en haut, texte dessous) */
@media (max-width:900px), (max-aspect-ratio:29/20){
  .hero{display:block;min-height:0}
  .hero::before{display:none}
  .header{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
  .hero-media{position:relative;inset:auto;z-index:0;height:clamp(300px,58svh,640px);background-position:68% 50%}
  .hero-media video{object-position:68% 50%}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,22,32,.7) 0%,rgba(11,22,32,0) 24%,rgba(11,22,32,0) 55%,var(--ink) 100%)}
  .hero-content{padding:0 0 110px;margin-top:-64px;z-index:1}
  .hero-copy{max-width:640px}
  .hero-foot{bottom:28px}
  .scroll-cue{display:none}
  .hero-foot .wrap{justify-content:flex-end}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-cue i{animation:none}
  *{transition-duration:.01ms!important}
}

/* ---------- IQMATIC luxury photo redesign ---------- */
.hero-media{display:block!important;position:absolute;inset:0;z-index:-2;background-image:url("../img/hero.jpg")!important;background-size:cover;background-position:center 48%;}
.hero-media video{display:none!important}
.hero{min-height:100vh;min-height:100svh;color:#fff;background:#102018;}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(7,22,16,.82) 0%,rgba(7,22,16,.60) 35%,rgba(7,22,16,.18) 68%,rgba(7,22,16,.22) 100%),linear-gradient(0deg,rgba(7,22,16,.72) 0%,rgba(7,22,16,0) 38%,rgba(7,22,16,.12) 100%);}
.hero-content{padding-top:84px;height:100%;display:flex;align-items:center;}
.hero .wrap{display:block;width:100%;}
.hero-copy{max-width:780px;padding:clamp(80px,13vh,150px) 0 150px;}
.hero .eyebrow{color:rgba(255,255,255,.78)}
.hero .eyebrow::before{background:#b8cf83}
.hero h1{color:#fff;font-size:clamp(3.1rem,5.5vw,6.2rem);line-height:.94;letter-spacing:-.035em;text-shadow:0 3px 28px rgba(0,0,0,.18);}
.hero h1 em{color:#e9eee4;font-style:italic;}
.hero .lead{color:rgba(255,255,255,.88);max-width:610px;font-size:1.08rem;}
.hero .actions{margin-top:38px;}
.hero .btn-primary{background:#0f3c2d;color:#fff;border-color:#0f3c2d;box-shadow:0 14px 36px rgba(0,0,0,.18)}
.hero .btn-primary:hover{background:#174f3b;border-color:#174f3b}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.06);backdrop-filter:blur(8px)}
.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.logo-stage{width:100%;aspect-ratio:1/1;}
.logo-stage::before{border-color:rgba(255,255,255,.22);}
.logo-stage::after{border-color:rgba(255,255,255,.16);}
.logo-stage img{width:58%;filter:drop-shadow(0 18px 28px rgba(0,0,0,.22));}
.logo-lines path{stroke:#d8e6bf;opacity:.58;}
.logo-scan{background:linear-gradient(90deg,transparent,#d8e6bf,transparent);box-shadow:0 0 18px rgba(216,230,191,.42)}
.hero-foot{bottom:26px;color:#fff}
.hero-foot .wrap{display:flex;justify-content:space-between;align-items:flex-end}
.scroll-cue{color:rgba(255,255,255,.76)}
.scroll-cue i{background:linear-gradient(#d8e6bf,transparent)}

.header{background:linear-gradient(180deg,rgba(7,22,16,.48),transparent);}
.header.scrolled{background:rgba(255,255,255,.92);}
.header:not(.scrolled) .nav a.link,.header:not(.scrolled) .brand-text strong{color:#fff}
.header:not(.scrolled) .brand-text span{color:rgba(255,255,255,.72)}
.header:not(.scrolled) .nav a.link::after{background:#d8e6bf}
.header:not(.scrolled) .btn-primary{background:#0f3c2d;color:#fff}

/* Expertises */
.cards{background:transparent;border:0;gap:20px;}
.card{border:1px solid var(--line);border-radius:2px;overflow:hidden;min-height:330px;padding:0;background:#fff;cursor:pointer;isolation:isolate;}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,22,16,.05) 15%,rgba(7,22,16,.80) 100%);z-index:-1;transition:background .45s var(--ease)}
.card:hover::after{background:linear-gradient(180deg,rgba(7,22,16,.12) 0%,rgba(7,22,16,.88) 100%)}
.card::before{z-index:3;width:100%;height:3px;background:#b4cd7d;}
.card .card-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .7s var(--ease),filter .5s;filter:saturate(.78) contrast(.98);}
.card:hover .card-bg{transform:scale(1.04);filter:saturate(.9) contrast(1.02)}
.card-content{position:absolute;left:0;right:0;bottom:0;padding:34px 32px 32px;color:#fff;z-index:2}
.card .num{color:#d8e6bf;font-size:.78rem;letter-spacing:.18em}
.card h3{font-size:clamp(2rem,3vw,2.7rem);margin:10px 0 8px;color:#fff}
.card p{color:rgba(255,255,255,.86);font-size:.92rem;max-width:32em}
.card .glyph{top:28px;right:28px;stroke:#fff;opacity:.85;z-index:2}
.card .more{display:inline-flex;align-items:center;gap:9px;margin-top:18px;color:#fff;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;}
.card .more span{width:24px;height:1px;background:#d8e6bf;position:relative}
.card .more span::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid #d8e6bf;border-right:1px solid #d8e6bf;transform:rotate(45deg)}

/* Expertise detail modal */
.expertise-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:30px;background:rgba(5,15,11,.72);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s ease;}
.expertise-modal.open{opacity:1;visibility:visible}
.expertise-dialog{position:relative;width:min(1080px,94vw);max-height:min(780px,90vh);overflow:hidden;background:#fff;display:grid;grid-template-columns:1fr 1fr;box-shadow:0 30px 90px rgba(0,0,0,.28);transform:translateY(18px) scale(.985);transition:transform .45s var(--ease)}
.expertise-modal.open .expertise-dialog{transform:none}
.expertise-dialog-image{min-height:500px;background-size:cover;background-position:center;position:relative}
.expertise-dialog-image::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,22,16,0),rgba(7,22,16,.22))}
.expertise-dialog-body{padding:clamp(34px,5vw,68px);overflow:auto;display:flex;flex-direction:column;justify-content:center}
.expertise-dialog-body .eyebrow{margin-bottom:18px}
.expertise-dialog-body h3{font-size:clamp(2.4rem,4vw,4.2rem);line-height:1;margin-bottom:20px;color:#17231b}
.expertise-dialog-body p{color:#536057;margin:0 0 16px;max-width:34em}
.expertise-list{margin:22px 0 8px;padding:0;list-style:none;border-top:1px solid var(--line)}
.expertise-list li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;color:#344039;font-size:.92rem}
.expertise-list li::before{content:"";width:7px;height:7px;background:#6ca000;transform:rotate(45deg);margin-top:8px;flex:none}
.expertise-close{position:absolute;right:16px;top:16px;width:42px;height:42px;border:1px solid rgba(24,34,27,.14);border-radius:50%;background:rgba(255,255,255,.9);color:#17231b;font-size:25px;cursor:pointer;z-index:4}
.expertise-close:hover{background:#0f3c2d;color:#fff}
.expertise-cta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}

@media (max-width:1100px){
  .hero-copy{max-width:650px}
}
@media (max-width:900px){
  .hero{min-height:760px}
  .hero-media{background-position:62% center}
  .hero::before{background:linear-gradient(180deg,rgba(7,22,16,.55) 0%,rgba(7,22,16,.58) 42%,rgba(7,22,16,.90) 100%)}
  .hero-content{display:flex;align-items:flex-end;padding-bottom:90px}
  .hero-copy{padding:0;max-width:680px}
  .cards{grid-template-columns:1fr;gap:16px}
  .card{min-height:360px}
  .expertise-dialog{grid-template-columns:1fr;max-height:88vh;overflow:auto}
  .expertise-dialog-image{min-height:280px;height:34vh}
  .expertise-dialog-body{padding:32px}
}
@media (max-width:600px){
  .hero{min-height:720px}
  .hero-media{background-position:61% center}
  .hero h1{font-size:clamp(2.8rem,12vw,4rem)}
  .hero .lead{font-size:1rem}
  .hero-foot{display:none}
  .expertise-dialog-image{height:260px;min-height:0}
  .expertise-dialog-body h3{font-size:2.5rem}
}

.header-contact{font-size:.72rem;letter-spacing:.06em;color:rgba(255,255,255,.88);white-space:nowrap;transition:color .3s ease}
.header-contact:hover{color:#d8e6bf}
.header.scrolled .header-contact{color:#536057}
.header.scrolled .header-contact:hover{color:#6ca000}
@media (max-width:1180px){.header-contact{display:none}}
.footer-wordmark{font-family:var(--serif);font-size:2rem;letter-spacing:.22em;color:var(--ivory);font-weight:600}