/* ================= AESCO — clean modern theme ================= */
:root{
  --navy:#0e2a47;
  --navy2:#12365c;
  --blue:#1f7fc0;
  --blue-d:#17689f;
  --cyan:#5bc2e7;
  --gray:#4b4e55;
  --muted:#6b7684;
  --line:#e6ebf2;
  --light:#f4f7fb;
  --white:#fff;
  --radius:16px;
  --shadow:0 18px 40px -18px rgba(14,42,71,.28);
  --shadow-sm:0 8px 24px -12px rgba(14,42,71,.22);
  --container:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--gray);background:var(--white);line-height:1.65;font-size:16px;overflow-x:hidden}
h1,h2,h3,h4,h5{font-family:'Poppins',system-ui,sans-serif;color:var(--navy);line-height:1.18;font-weight:700}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.eyebrow{display:inline-block;font-family:'Poppins',sans-serif;font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.eyebrow-dark{color:var(--blue)}
.section-title{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800;margin-bottom:16px}
.section-title.light{color:#fff}
.section-lead{color:var(--muted);max-width:640px;font-size:1.05rem}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .section-lead{margin:0 auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Poppins',sans-serif;font-weight:600;font-size:.95rem;padding:13px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.25s;white-space:nowrap}
.btn-lg{padding:16px 34px;font-size:1rem}
.btn-block{width:100%}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 10px 26px -10px rgba(31,127,192,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(31,127,192,.8)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:transparent;transition:.3s;padding:16px 0}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 6px 24px -14px rgba(14,42,71,.4);backdrop-filter:blur(8px);padding:10px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-logo{height:52px;width:auto;transition:.3s;filter:brightness(0) invert(1)}
.site-header.scrolled .brand-logo{filter:none;height:44px}
.nav{display:flex;align-items:center;gap:28px}
.nav-link{font-weight:500;font-size:.95rem;color:#fff;position:relative;transition:.2s}
.site-header.scrolled .nav-link{color:var(--gray)}
.nav-link:not(.nav-cta):after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--cyan);transition:.25s}
.nav-link:hover:after{width:100%}
.nav-link:hover{color:var(--cyan)}
.site-header.scrolled .nav-link:hover{color:var(--blue)}
.nav-cta{color:#fff!important}
.lang-switch{display:inline-flex;align-items:center;gap:3px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:5px 12px;cursor:pointer;font-family:'Poppins',sans-serif;font-weight:600;font-size:.8rem;color:#fff;transition:.25s;letter-spacing:.02em}
.lang-switch:hover{background:rgba(91,194,231,.22)}
.site-header.scrolled .lang-switch{background:var(--light);border-color:var(--line);color:var(--gray)}
.lang-opt{opacity:.5;transition:.2s;padding:1px 3px}
.lang-opt.active{opacity:1;color:var(--cyan)}
.site-header.scrolled .lang-opt.active{color:var(--blue)}
.lang-sep{opacity:.4}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:3px;background:#fff;border-radius:3px;transition:.3s}
.site-header.scrolled .burger span{background:var(--navy)}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;color:#fff;padding-top:120px;overflow:hidden}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease}
.hero-slide.active{opacity:1}
/* on ramène chaque image à la tonalité sombre de hero-team pour un rendu homogène */
.hero-slide.dim-strong{filter:brightness(.5) saturate(1.05)}
.hero-slide.dim-soft{filter:brightness(.72) saturate(1.03)}
.hero-bg:before{content:"";position:absolute;inset:0;z-index:1;background:
   linear-gradient(105deg,rgba(7,21,39,.9) 0%,rgba(9,30,55,.72) 45%,rgba(11,38,67,.46) 100%),
   linear-gradient(to top,rgba(7,21,39,.72) 0%,rgba(7,21,39,0) 38%),
   radial-gradient(900px 500px at 0% 100%,rgba(31,127,192,.3),transparent 55%)}
.hero-bg:after{content:"";position:absolute;inset:0;z-index:2;opacity:.32;background-image:
   linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
   background-size:56px 56px;mask-image:radial-gradient(circle at 78% 35%,#000,transparent 72%)}
.hero-inner{position:relative;z-index:3;flex:1;display:flex;align-items:center;gap:52px}
.hero-content{flex:1 1 auto;max-width:640px}
.hero-title{font-size:clamp(2.1rem,5.4vw,4rem);font-weight:800;color:#fff;margin-bottom:22px;letter-spacing:-.5px}
.grad{background:linear-gradient(100deg,var(--cyan),#9be3ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(1rem,1.6vw,1.2rem);color:rgba(255,255,255,.82);max-width:640px;margin-bottom:34px}
.hero-sub strong{color:#fff}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{position:relative;z-index:3;flex:0 0 auto;display:flex;flex-direction:column;gap:22px;min-width:210px}
.stat{display:flex;flex-direction:column}
.hero-stats .stat{border-left:2px solid rgba(91,194,231,.55);padding-left:18px}
.stat-num,.stat-suf{font-family:'Poppins',sans-serif;font-weight:800;font-size:clamp(1.8rem,3.5vw,2.6rem);color:#fff;line-height:1}
.stat-suf{display:inline;color:var(--cyan)}
.stat p{margin-top:6px;color:rgba(255,255,255,.7);font-size:.9rem}

/* sectors */
.sectors{background:var(--navy2);padding:22px 0}
.sectors-grid{display:flex;justify-content:center;gap:56px;flex-wrap:wrap}
.sector-tag{display:flex;align-items:center;gap:12px;color:#dbe7f3;font-family:'Poppins',sans-serif;font-weight:600}
.sector-tag .ic{width:26px;height:26px;fill:none;stroke:var(--cyan);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.about-visual{position:relative;aspect-ratio:4/3;border-radius:24px;background:linear-gradient(135deg,#0e2a47,#1f7fc0);overflow:hidden;box-shadow:var(--shadow)}
.about-visual .about-shape{position:absolute;inset:0;background:
   radial-gradient(400px 400px at 80% 20%,rgba(91,194,231,.5),transparent 60%),
   repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 12px,transparent 12px 24px)}
.about-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:150px;height:150px;border-radius:50%;border:6px solid var(--cyan);display:flex;align-items:center;justify-content:center;background:rgba(14,42,71,.35);backdrop-filter:blur(2px)}
.about-badge-num{font-family:'Poppins',sans-serif;font-weight:800;font-size:4.5rem;color:#fff}
.about-logo-card{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:20px}
.about-logo-card img{max-width:90%;height:auto;transition:transform .45s ease}
.about-logo-card:hover img{transform:scale(1.06)}
.check-list{list-style:none;margin:22px 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check-list li{position:relative;padding-left:30px;font-weight:500;color:var(--gray)}
.check-list li:before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--blue);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/12px no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/12px no-repeat}
.apropos p{margin-bottom:14px;color:var(--muted)}
.apropos p strong{color:var(--gray)}

/* services */
.services{background:var(--light)}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px;transition:.3s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.card-feature{background:linear-gradient(160deg,var(--navy),var(--navy2));border-color:transparent}
.card-feature h3,.card-feature p{color:#fff}
.card-feature .mini-list li{color:rgba(255,255,255,.82)}
.card-feature .mini-list li:before{background:var(--cyan)}
.card-kicker{font-family:'Poppins',sans-serif;text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;font-weight:600;color:var(--blue);display:block;margin-bottom:10px}
.card-feature .card-kicker{color:var(--cyan)}
.card-ic{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.card-ic svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.3rem;margin-bottom:12px}
.card p{color:var(--muted);margin-bottom:18px;font-size:.97rem}
.mini-list{list-style:none;display:flex;flex-direction:column;gap:9px}
.mini-list li{position:relative;padding-left:22px;font-size:.92rem;font-weight:500}
.mini-list li:before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--blue)}

/* atouts */
.atouts{background:linear-gradient(135deg,#0b2340,#12365c);position:relative}
.atouts .eyebrow{color:var(--cyan)}
.atouts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.atout{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:32px 26px;transition:.3s}
.atout:hover{background:rgba(91,194,231,.12);transform:translateY(-6px)}
.atout-ic{width:56px;height:56px;border-radius:14px;background:rgba(91,194,231,.18);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.atout-ic svg{width:28px;height:28px;fill:none;stroke:var(--cyan);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.atout h4{color:#fff;font-size:1.1rem;margin-bottom:8px}
.atout p{color:rgba(255,255,255,.72);font-size:.92rem}

/* approach (réutilise le style tuiles) */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proj{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow-sm);transition:.3s}
.proj:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.proj-inner{aspect-ratio:16/10;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:26px;color:#fff}
.p1{background:linear-gradient(160deg,#123a5f,#1f7fc0)}
.p2{background:linear-gradient(160deg,#0e2a47,#2a6f9e)}
.p3{background:linear-gradient(160deg,#155e8a,#5bc2e7)}
.p4{background:linear-gradient(160deg,#0b2340,#1f7fc0)}
.p5{background:linear-gradient(160deg,#1a4e77,#4bb0d8)}
.p6{background:linear-gradient(160deg,#0e2a47,#3a86b5)}
.proj-no{font-family:'Poppins',sans-serif;font-weight:800;font-size:2.2rem;color:rgba(255,255,255,.55);line-height:1}
.proj h4{color:#fff;font-size:1.2rem;margin:6px 0 4px}
.proj p{color:rgba(255,255,255,.8);font-size:.9rem}

/* cta */
.cta-band{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:52px 24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem)}
.cta-band p{color:rgba(255,255,255,.9);margin-top:6px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px}
.contact-list{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:20px}
.contact-list li{display:flex;gap:16px;align-items:flex-start}
.ci{flex:0 0 46px;width:46px;height:46px;border-radius:12px;background:var(--light);display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.contact-list strong{display:block;color:var(--navy);font-family:'Poppins',sans-serif}
.contact-list p{color:var(--muted);font-size:.95rem}
.contact-list a{color:var(--blue);text-decoration:none}
.contact-list a:hover{text-decoration:underline}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px;display:flex;flex-direction:column}
.field label{font-weight:600;font-size:.85rem;color:var(--navy);margin-bottom:7px;font-family:'Poppins',sans-serif}
.field input,.field select,.field textarea{border:1.5px solid var(--line);border-radius:12px;padding:13px 15px;font-family:inherit;font-size:.96rem;color:var(--gray);transition:.2s;background:#fbfcfe}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(31,127,192,.1)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{margin-top:14px;background:#eef7ec;color:#2f7d32;border-radius:10px;padding:12px 14px;font-size:.9rem}
.form-note-err{background:#fdecea;color:#c0392b}

/* footer */
.site-footer{background:#0a1f38;color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-logo img{height:58px;width:auto}
.footer-brand p{margin-top:16px;font-size:.92rem;max-width:320px}
.footer-tag{color:var(--cyan)!important;margin-top:8px!important;font-size:.85rem}
.footer-col h5{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:.92rem;transition:.2s}
.footer-col a:hover{color:var(--cyan);transform:translateX(4px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.85rem}

.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s;z-index:40}
.to-top.show{opacity:1;visibility:visible;transform:none}

.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .cards-grid,.atouts-grid,.proj-grid{grid-template-columns:1fr 1fr}
  .hero-inner{flex-direction:column;align-items:stretch;gap:34px}
  .hero-content{max-width:none}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:24px 20px;min-width:0;padding-top:8px}
  .hero-stats .stat{border-left:none;padding-left:0}
}
@media(max-width:760px){
  .section{padding:70px 0}
  .nav{position:fixed;top:0;right:-100%;height:100vh;width:min(80%,320px);background:#fff;flex-direction:column;align-items:flex-start;justify-content:center;gap:22px;padding:40px;box-shadow:-20px 0 60px -20px rgba(0,0,0,.4);transition:.35s;z-index:60}
  .nav.open{right:0}
  .nav-link{color:var(--gray);font-size:1.05rem}
  .nav-cta{margin-top:10px}
  .burger{display:flex;z-index:61}
  .burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg);background:var(--navy)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);background:var(--navy)}
  .cards-grid,.atouts-grid,.proj-grid,.check-list,.row2{grid-template-columns:1fr}
  .sectors-grid{gap:24px 32px}
  .cta-inner{flex-direction:column;text-align:center;align-items:center}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:460px){
  .hero-stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-logo{height:44px}
}