:root{
  --blue:#0a7fbf;--blue-d:#075f90;--green:#19b07a;--green-d:#118a5f;--grad:linear-gradient(120deg,#0a7fbf 0%,#12a0a0 50%,#19b07a 100%);
  --ink:#0f1d2b;--text:#41505f;--muted:#6c7a89;--line:#e4ebf1;--bg:#f3f9fd;--bg2:#eefaf5;--white:#fff;
  --r:20px;--shadow:0 10px 30px rgba(10,60,90,.07);--shadow-lg:0 26px 60px rgba(10,60,90,.14);
  --font:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;font:17px/1.65 var(--font);color:var(--text);background:var(--white);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:3px}
h1,h2,h3,.h3{color:var(--ink);line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.4rem,5.4vw,4.2rem)}
h2{font-size:clamp(1.9rem,3.4vw,2.8rem)}
h3,.h3{font-size:1.3rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px;top:0;background:var(--green);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px}
.kicker{display:inline-block;font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 1em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.18rem}
.small{font-size:.88rem}
.center{text-align:center;margin-top:36px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1rem/1 var(--font);padding:16px 28px;border-radius:99px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s,color .15s}
.btn:hover{transform:translateY(-2px)}
.btn .ico{width:1.1em;height:1.1em}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(18,160,140,.3)}
.btn-primary:hover{box-shadow:0 16px 34px rgba(18,160,140,.4)}
.btn-ghost{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-white{background:#fff;color:var(--blue)}
.btn-sm{padding:11px 20px;font-size:.92rem}
.btn.loading{opacity:.7;pointer-events:none}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* En-tête */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.hdr.scrolled{border-color:var(--line);box-shadow:0 6px 24px rgba(10,60,90,.06)}
.hdr-in{display:flex;align-items:center;gap:24px;height:78px}
.hdr-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.hdr-logo img{height:46px;width:auto}
.brand{font-weight:800;font-size:1.45rem;letter-spacing:.04em;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:flex;flex-direction:column}
.brand small{font-size:.62rem;font-weight:700;letter-spacing:.08em;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-top:4px;text-transform:uppercase}
.ftr-logo{margin-bottom:16px}
.ftr-logo img{height:40px!important;margin:0!important}
.ftr-logo .brand{background:linear-gradient(90deg,#4fc3f7,#5be3a8);-webkit-background-clip:text;background-clip:text}
.ftr-logo .brand small{color:#9db3c4;-webkit-text-fill-color:#9db3c4}
.hdr-nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.hdr-nav a:not(.btn){color:var(--ink);text-decoration:none;font-weight:600;padding:10px 14px;border-radius:99px}
.hdr-nav a:not(.btn):hover{background:var(--bg)}
.hdr-nav a[aria-current=page]{color:var(--blue);background:var(--bg)}
.hdr-cta{margin-left:10px}
.burger{display:none;background:none;border:0;width:44px;height:44px;padding:10px;margin-left:auto;cursor:pointer}
.burger span{display:block;height:2px;background:var(--ink);margin:6px 0;transition:transform .2s,opacity .2s}
body.menu-open .burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Bandeau */
.hero{position:relative;padding:70px 0 90px;background:radial-gradient(700px 420px at 92% 10%,rgba(25,176,122,.14),transparent 60%),radial-gradient(700px 500px at 0% 100%,rgba(10,127,191,.10),transparent 60%),var(--bg);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{background:linear-gradient(120deg,var(--ink) 30%,var(--blue) 70%,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:580px}
.hero-img img{margin-inline:auto;max-height:520px;width:auto}
.hero-pole .hero-img img{border-radius:28px;box-shadow:var(--shadow-lg);background:#fff;padding:18px}
.crumbs{font-size:.9rem;margin-bottom:16px;color:var(--muted)}
.crumbs a{color:var(--blue);text-decoration:none}
.crumbs span{margin:0 6px;opacity:.6}

section{padding:96px 0}
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-head.left{text-align:left;margin-inline:0}
.row-head{display:flex;justify-content:space-between;align-items:center;gap:16px;max-width:none;flex-wrap:wrap}
.row-head h2{margin:0}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--shadow)}
.card-grad{background:var(--grad);color:#eafaf6;border:0}
.card-grad h2,.card-grad .h3{color:#fff}
.card-grad a:not(.btn){color:#fff}

/* Mission / vision */
.mv{padding:70px 0}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mv-grid.mv-3{grid-template-columns:repeat(3,1fr)}
.mv-card{position:relative;overflow:hidden}
.mv-card::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--grad)}
.mv-card>.ico{width:46px;height:46px;color:var(--green);margin-bottom:14px}

/* Services */
.services{background:#fff}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-ico{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:var(--bg2);margin-bottom:18px;transition:background .2s}
.svc-ico .ico{width:28px;height:28px;color:var(--green-d)}
.svc:hover .svc-ico{background:var(--grad)}
.svc:hover .svc-ico .ico{color:#fff}
.svc h3 a{color:var(--ink);text-decoration:none}
.svc h3 a::after{content:"";position:absolute;inset:0}
.svc p{flex:1}
.svc .more{color:var(--blue);font-weight:700;font-size:.92rem;display:inline-flex;gap:6px;align-items:center}
.pole-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:-28px;position:relative;z-index:2}
.pole-tabs a{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:99px;padding:12px 20px;text-decoration:none;color:var(--ink);font-weight:700}
.pole-tabs a small{background:var(--bg2);color:var(--green-d);border-radius:99px;padding:2px 8px;margin-left:6px}
.pole-sec+.pole-sec{padding-top:0}
.features{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.features .card>.ico{width:34px;height:34px;color:#fff;background:var(--grad);border-radius:10px;padding:7px;-webkit-mask:none;mask:none;position:relative;display:block;margin-bottom:14px}
.features .card>.ico::after{content:"";position:absolute;inset:8px;background:#fff;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.features-sec{background:var(--bg)}

/* Références */
.refs{background:var(--bg);padding:80px 0}
.refs-row{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}
.refs-row li{background:#fff;border:1px solid var(--line);border-radius:18px;display:grid;place-items:center;padding:18px;height:120px;transition:transform .2s,box-shadow .2s}
.refs-row li:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.refs-row img{max-height:80px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:filter .2s,opacity .2s}
.refs-row li:hover img{filter:none;opacity:1}

/* Portfolio */
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pf[hidden]{display:none}
.pf a{display:block;text-decoration:none;color:inherit;border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.pf a:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pf-img{aspect-ratio:1/1;overflow:hidden;background:var(--bg)}
.pf-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pf a:hover .pf-img img{transform:scale(1.05)}
.pf-body{padding:18px 22px 22px}
.pf-body h3{font-size:1.1rem;margin:8px 0 0}
.tag{display:inline-block;background:var(--bg2);color:var(--green-d);font-weight:700;font-size:.78rem;border-radius:99px;padding:4px 12px}
.filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:34px}
.filters button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:10px 18px;font:600 .95rem var(--font);cursor:pointer;color:var(--ink)}
.filters button.on{background:var(--grad);color:#fff;border-color:transparent}
.project{padding-top:60px}
.project-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:36px;align-items:start}
.project-cover img{border-radius:var(--r);box-shadow:var(--shadow-lg);width:100%}
.project-info dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;margin:0 0 22px}
.project-info dt{font-weight:700;color:var(--ink)}
.project-info dd{margin:0}
.project-text{margin-top:44px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:36px}
.g-item{display:block;border-radius:16px;overflow:hidden;aspect-ratio:3/4;background:var(--bg)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.g-item:hover img{transform:scale(1.04)}
.video{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;margin-top:36px;box-shadow:var(--shadow-lg)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;align-items:start;margin-top:36px}
.videos .video{margin-top:0}
.video-file{aspect-ratio:auto;background:#000}
.video-file video{display:block;width:100%;max-height:80vh}
.lightbox{border:0;padding:0;background:transparent;max-width:92vw;max-height:92vh}
.lightbox::backdrop{background:rgba(5,20,30,.85)}
.lightbox img{max-width:92vw;max-height:90vh;border-radius:12px}
.lb-close{position:fixed;top:16px;right:20px;background:#fff;border:0;border-radius:50%;width:44px;height:44px;font-size:26px;cursor:pointer}

/* Chiffres */
.numbers{background:var(--grad);color:#eafaf6;padding:80px 0}
.numbers h2{color:#fff}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;text-align:center}
.stat b{display:block;font-size:clamp(2.6rem,5vw,3.8rem);font-weight:800;color:#fff;line-height:1}
.stat span{font-weight:600;opacity:.9}

/* Pôles */
.poles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pole-card{display:block;text-decoration:none;color:var(--text);padding:34px;border-radius:var(--r);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.pole-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pole-card>.ico{width:48px;height:48px;color:var(--blue);margin-bottom:16px}
.pole-card .more{color:var(--blue);font-weight:700;display:inline-flex;gap:6px;align-items:center}
.pole-telecom>.ico{color:var(--green)}
.pole-consulting>.ico{color:#12a0a0}

/* FAQ */
.faq{background:var(--bg)}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-list{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 24px;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:700;color:var(--ink);padding:20px 34px 20px 0;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:0;top:50%;width:24px;height:24px;margin-top:-12px;border-radius:50%;background:var(--grad);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 5h2v14h-2zM5 11h14v2H5z'/%3E%3C/svg%3E") center/contain;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 5h2v14h-2zM5 11h14v2H5z'/%3E%3C/svg%3E") center/contain;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details>div{padding:0 0 20px}

/* Contact */
.contact{background:linear-gradient(160deg,#0b2a3d,#0a3f5c);color:#cfe3ef}
.contact h2{color:#fff}
.contact .kicker{background:linear-gradient(90deg,#4fc3f7,#5be3a8);-webkit-background-clip:text;background-clip:text}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:20px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .ico{width:46px;height:46px;border-radius:14px;flex:none;background:rgba(91,227,168,.14);-webkit-mask:none;mask:none;position:relative}
.contact-list .ico::after{content:"";position:absolute;inset:12px;background:#5be3a8;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.contact-list small{display:block;font-weight:700;text-transform:uppercase;font-size:.72rem;letter-spacing:.1em;opacity:.7}
.contact a{color:#fff}
.form-card{color:var(--text)}
.vform-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.vf{display:flex;flex-direction:column;gap:6px}
.vf-wide,.vf[data-field=service]{grid-column:1/-1}
.vf label,.vf-label{font-weight:700;color:var(--ink);font-size:.92rem}
.vf .req{color:#e11d48}
.vf input,.vf select,.vf textarea{width:100%;border:1.5px solid var(--line);border-radius:14px;padding:13px 15px;font:inherit;font-size:1rem;color:var(--ink);background:#fbfdfe;transition:border-color .15s,box-shadow .15s}
.vf input:focus,.vf select:focus,.vf textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(10,127,191,.14)}
.vf-err{color:#e11d48;font-size:.82rem}
.vf.has-err input,.vf.has-err textarea,.vf.has-err select{border-color:#e11d48}
.vform-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px}
.vform-msg{margin:0;font-weight:600}
.vform-msg.ok,.notice.ok{color:#047857}
.vform-msg.err,.notice.err{color:#e11d48}
.notice{padding:12px 14px;border-radius:12px;background:#ecfdf5}
.notice.err{background:#fff1f2}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.offices{background:var(--bg)}
.offices-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.offices .card>.ico{width:36px;height:36px;color:var(--green);margin-bottom:12px}

/* Pages intérieures */
.page-hero{padding:70px 0 60px;background:radial-gradient(700px 360px at 90% 0%,rgba(25,176,122,.14),transparent 60%),var(--bg)}
.page-hero .lead{max-width:760px}
.page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.err-page{min-height:60vh}
.svc-page{padding-top:60px}
.svc-layout{display:grid;grid-template-columns:1fr 360px;gap:52px;align-items:start}
.svc-aside{display:grid;gap:20px;position:sticky;top:100px}
.prose h2{font-size:1.8rem;margin-top:1.4em}
.prose h3{margin-top:1.2em}
.prose ul{padding-left:1.2em}
.prose li{margin:.4em 0}
.prose-img img{border-radius:var(--r);margin-bottom:28px}
.checks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-weight:600;color:var(--ink)}
.checks li::before{content:"";flex:none;width:22px;height:22px;border-radius:50%;margin-top:2px;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat}
.legal{padding-top:40px}

/* Pied de page */
.ftr{background:#0b1e2c;color:#9db3c4;padding:72px 0 26px;font-size:.95rem}
.ftr-grid{display:grid;grid-template-columns:1.3fr 1fr 1.1fr 1.2fr;gap:40px}
.ftr img{height:60px;width:auto;margin-bottom:16px}
.ftr h2{color:#fff;font-size:1.05rem;letter-spacing:.02em}
.ftr ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.ftr a{color:#d7e4ee;text-decoration:none}
.ftr a:hover{color:#5be3a8}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);color:#fff}
.social a:hover{background:var(--grad)}
.ftr-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;font-size:.86rem}

/* WhatsApp */
.wa{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;align-items:center;gap:10px;text-decoration:none}
.wa .ico{width:58px;height:58px;border-radius:50%;background:#25d366;box-shadow:0 10px 26px rgba(37,211,102,.45);-webkit-mask:none;mask:none;position:relative}
.wa .ico::after{content:"";position:absolute;inset:15px;background:#fff;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.wa-txt{order:-1;background:#fff;color:var(--ink);font-weight:600;padding:9px 16px;border-radius:99px;box-shadow:var(--shadow);opacity:0;transform:translateX(10px);transition:opacity .2s,transform .2s;pointer-events:none}
.wa:hover .wa-txt,.wa:focus .wa-txt{opacity:1;transform:none}

@media (max-width:1060px){
  .svc-grid,.pf-grid{grid-template-columns:1fr 1fr}
  .hdr-nav a:not(.btn){padding:10px}
}
@media (max-width:960px){
  .burger{display:block}
  .hdr-nav{position:fixed;top:78px;left:0;right:0;height:calc(100dvh - 78px);background:#fff;flex-direction:column;align-items:stretch;padding:18px;gap:4px;transform:translateY(-10px);opacity:0;pointer-events:none;visibility:hidden;transition:transform .2s,opacity .2s;overflow:auto}
  body.menu-open .hdr-nav{transform:none;visibility:visible;opacity:1;pointer-events:auto}
  body.menu-open{overflow:hidden}
  .hdr-nav a:not(.btn){padding:15px 14px;font-size:1.1rem}
  .hdr-cta{margin:12px 0 0}
  .hero-grid,.contact-grid,.faq-wrap,.svc-layout,.project-grid,.page-hero-grid{grid-template-columns:1fr}
  .mv-grid,.mv-grid.mv-3,.poles-grid,.offices-grid{grid-template-columns:1fr}
  .hero{padding:40px 0 60px}
  .hero-img img{max-height:360px}
  .svc-aside{position:static}
  .ftr-grid{grid-template-columns:1fr 1fr}
  section{padding:68px 0}
  .wa-txt{display:none}
}
@media (max-width:600px){
  body{font-size:16px}
  .svc-grid,.pf-grid,.vform-grid{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
  .refs-row{grid-template-columns:1fr 1fr}
  .btn{padding:15px 22px}
  .cta .btn{flex:1}
  .card{padding:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}