/* ===== PUMP SYSTEM — Feuille de style v2 ===== */

:root{
  --navy:#1c3a64;
  --navy-dark:#142a4a;
  --blue:#0a91d3;
  --blue-soft:#e7f3fb;
  --blue-mid:#2f6fb0;
  --red:#d40a0a;
  --yellow:#d5d30c;
  --ink:#23303f;
  --muted:#5b6b7d;
  --line:#dde6ef;
  --bg:#ffffff;
  --bg-alt:#f4f8fc;
  --radius:12px;
  --maxw:1140px;
  --shadow:0 2px 14px rgba(20,42,74,.08);
  --shadow-lg:0 8px 30px rgba(20,42,74,.14);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:17px;
}
img{max-width:100%;display:block;}
a{color:var(--blue-mid);text-decoration:none;}
a:hover{text-decoration:underline;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== En-tête / navigation ===== */
header.site{
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
  box-shadow:0 1px 8px rgba(20,42,74,.06);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:12px 24px;
}
.brand img{height:48px;width:auto;}
.nav-links{display:flex;gap:6px;flex-wrap:wrap;}
.nav-links a{
  color:var(--navy);font-weight:600;font-size:15px;
  padding:8px 14px;border-radius:6px;
}
.nav-links a:hover{background:var(--blue-soft);text-decoration:none;}
.nav-links a.active{background:var(--navy);color:#fff;}
.nav-links .lang{display:flex;align-items:center;gap:2px;margin-left:12px;padding-left:14px;border-left:1px solid var(--line);}
.nav-links .lang a{padding:6px 9px;font-size:13px;}

/* ===== Hero avec image de fond ===== */
.hero{
  position:relative;
  color:#fff;
  padding:96px 0 88px;
  background:
    linear-gradient(100deg, rgba(15,32,58,.94) 0%, rgba(28,58,100,.86) 45%, rgba(10,86,140,.55) 100%),
    var(--hero-img, linear-gradient(135deg,var(--navy-dark),var(--blue-mid)));
  background-size:cover;
  background-position:center;
}
.hero h1{font-size:2.7rem;margin:0 0 16px;line-height:1.12;font-weight:700;max-width:800px;}
.hero p.lead{font-size:1.22rem;max-width:700px;color:#dfeaf6;margin:0 0 30px;}
.hero .accent-bar{
  height:5px;width:130px;border-radius:3px;margin-bottom:28px;
  background:linear-gradient(90deg,var(--red) 0 33%,var(--yellow) 33% 66%,var(--blue) 66% 100%);
}
.hero.small{padding:66px 0 58px;}
.hero.small h1{font-size:2.15rem;}

/* ===== Boutons ===== */
.btn{
  display:inline-block;background:var(--blue);color:#fff;font-weight:600;
  padding:13px 26px;border-radius:8px;border:none;cursor:pointer;font-size:16px;
}
.btn:hover{background:#0a7fbb;text-decoration:none;}
.btn.ghost{background:transparent;border:2px solid #fff;}
.btn.ghost:hover{background:rgba(255,255,255,.12);}

/* ===== Sections ===== */
section{padding:60px 0;}
section.alt{background:var(--bg-alt);}
h2{color:var(--navy);font-size:1.75rem;margin:0 0 8px;font-weight:700;}
h2 + .sub{color:var(--muted);margin:0 0 30px;font-size:1.05rem;max-width:820px;}
h3{color:var(--navy);font-size:1.2rem;margin:0 0 8px;}
.section-tag{
  display:inline-block;color:var(--blue-mid);font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;margin-bottom:10px;
}

/* ===== Grille de cartes ===== */
.grid{display:grid;gap:24px;}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.card.accent-top{border-top:4px solid var(--blue);}
.card p:last-child{margin-bottom:0;}

/* Carte avec image en tête */
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.media-card img{width:100%;height:210px;object-fit:cover;background:#fff;}
.media-card img.contain{object-fit:contain;padding:12px;}
.media-card .body{padding:22px 24px 24px;flex:1;}
.media-card h3{margin-top:0;}
.media-card .body p:last-child{margin-bottom:0;}

/* ===== Section moitié texte / moitié image ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split .visual img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow-lg);
  border:1px solid var(--line);background:#fff;
}
.split .visual .cap, figure figcaption{
  color:var(--muted);font-size:.88rem;margin-top:10px;text-align:center;
}

/* ===== Galerie d'images légendées ===== */
.gallery{display:grid;gap:24px;}
.gallery.cols-3{grid-template-columns:repeat(3,1fr);}
.gallery.cols-2{grid-template-columns:repeat(2,1fr);}
.gallery figure{margin:0;}
.gallery figure img{
  width:100%;height:220px;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;
}
.gallery figure img.contain{object-fit:contain;padding:10px;}

/* ===== Bandeau image pleine largeur ===== */
.img-band{
  position:relative;color:#fff;text-align:center;
  padding:84px 0;
  background:
    linear-gradient(rgba(15,32,58,.72), rgba(15,32,58,.72)),
    var(--band-img);
  background-size:cover;background-position:center;
}
.img-band h2{color:#fff;}
.img-band p{color:#dfeaf6;max-width:640px;margin:0 auto;}

/* ===== Étapes (process) ===== */
.steps{counter-reset:step;display:grid;gap:16px;}
.step{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;
  box-shadow:var(--shadow);
}
.step .num{
  flex:none;width:40px;height:40px;border-radius:50%;
  background:var(--navy);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step h3{margin:2px 0 4px;}
.step p{margin:0;color:var(--muted);}

/* ===== Listes ===== */
ul.clean{list-style:none;padding:0;margin:0;}
ul.clean li{padding:6px 0 6px 26px;position:relative;}
ul.clean li::before{
  content:"";position:absolute;left:0;top:14px;
  width:9px;height:9px;border-radius:2px;background:var(--blue);
}
.cols-list{columns:2;column-gap:36px;}
.cols-list ul.clean li{break-inside:avoid;}

/* ===== Chaîne reverse engineering (avec photos) ===== */
.chain{display:flex;flex-wrap:wrap;gap:0;align-items:stretch;}
.chain .node{
  flex:1 1 170px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px;text-align:center;margin:8px;
  box-shadow:var(--shadow);
}
.chain .node img{
  width:100%;height:110px;object-fit:cover;border-radius:8px;margin-bottom:10px;background:#fff;
}
.chain .node img.contain{object-fit:contain;}
.chain .node .t{font-weight:700;color:var(--navy);font-size:.95rem;}
.chain .node .d{color:var(--muted);font-size:.85rem;margin-top:4px;}
.chain .arrow{display:flex;align-items:center;color:var(--blue);font-size:1.6rem;}

/* ===== Encadré ===== */
.callout{
  background:var(--blue-soft);border-left:5px solid var(--blue);
  border-radius:8px;padding:22px 26px;
}
.callout h3{margin-top:0;}

/* ===== Timeline parcours ===== */
.timeline{border-left:3px solid var(--line);margin-left:8px;padding-left:24px;}
.tl-item{position:relative;padding:0 0 22px;}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:6px;width:13px;height:13px;
  border-radius:50%;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 2px var(--blue);
}
.tl-item .yr{font-weight:700;color:var(--navy);}
.tl-item .org{color:var(--blue-mid);font-weight:600;}
.tl-item p{margin:4px 0 0;color:var(--muted);font-size:.96rem;}

/* ===== Stats ===== */
.stats-band{
  background:linear-gradient(120deg,var(--navy-dark) 0%,var(--navy) 60%,var(--blue-mid) 100%);
  color:#fff;padding:52px 0;
}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center;}
.stats .n{font-size:2.5rem;font-weight:700;color:#fff;line-height:1;}
.stats .l{color:#bcd3ea;margin-top:8px;}

/* ===== CTA ===== */
.cta{
  background:linear-gradient(135deg,var(--navy) 0%,var(--blue-mid) 100%);
  color:#fff;border-radius:16px;padding:48px 44px;text-align:center;
  box-shadow:var(--shadow-lg);
}
.cta h2{color:#fff;}
.cta p{color:#dfeaf6;max-width:600px;margin:0 auto 24px;}

/* ===== Formulaire contact ===== */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-weight:600;color:var(--navy);margin-bottom:6px;font-size:.95rem;}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:16px;background:#fff;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--blue);border-color:var(--blue);}
.hp-field{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden;}
.contact-info{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.contact-info .li{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px;}
.contact-info .li .ic{
  flex:none;width:40px;height:40px;border-radius:8px;background:var(--blue-soft);
  color:var(--blue-mid);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.notice{border-radius:8px;padding:16px 20px;margin-bottom:22px;font-weight:600;}
.notice.ok{background:#e8f7ee;border:1px solid #9fd8b4;color:#1e6b3a;}
.notice.err{background:#fdeceb;border:1px solid #f0b3af;color:#a02622;}

/* ===== Pied de page ===== */
footer.site{background:var(--navy-dark);color:#c7d6e8;padding:42px 0 28px;font-size:.92rem;}
footer.site .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;}
footer.site h4{color:#fff;margin:0 0 10px;font-size:1rem;}
footer.site a{color:#9ec3e6;}
footer.site .bot{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;color:#8ba6c4;}

/* ===== Responsive ===== */
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:26px;}
  .gallery.cols-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
  .grid.cols-2,.grid.cols-3{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cols-list{columns:1;}
  .hero h1{font-size:2rem;}
  .hero{padding:70px 0 62px;}
  .nav{flex-direction:column;gap:10px;}
  .gallery.cols-3,.gallery.cols-2{grid-template-columns:1fr;}
}