:root{--navy:#16324f;--blue:#3b82f6;--blue-dark:#245ea8;--white:#fff;--light:#eef2f6;--gray:#c7d0da;--text:#223044;--muted:#687586;--shadow:0 18px 50px rgba(22,50,79,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff}a{text-decoration:none;color:inherit}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid #d8dee6}.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 24px}.brand{display:flex;align-items:center;gap:0;font-weight:800;letter-spacing:.4px}.brand-badge{position:relative;display:grid;place-items:center;width:auto;height:auto;min-width:0;border:none;border-radius:0;background:none;padding:0}.brand-logo{display:block;width:124px;height:auto;max-width:none}.brand-copy{display:flex;flex-direction:column;gap:2px;line-height:1.02}.brand-project{font-size:32px;font-weight:900;letter-spacing:.8px}.nav-links{display:flex;gap:12px;font-size:14px;font-weight:700}.nav-links a{padding:9px 11px;border-radius:999px}.nav-links a:hover,.nav-links a.active{background:var(--blue);color:var(--navy)}.menu-button{display:none;border:0;background:var(--navy);color:white;padding:10px 14px;border-radius:12px;font-weight:700}.page{min-height:100vh;overflow:hidden;scroll-margin-top:73px}.container{max-width:1180px;margin:auto;padding:82px 24px}.eyebrow{display:inline-block;background:var(--blue);padding:10px 18px;border-radius:999px;font-weight:800;font-size:16px;transform:rotate(-2deg)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(50px,7vw,94px);line-height:1.02;letter-spacing:-2.7px;margin:22px 0 26px}h2{font-size:clamp(31px,4vw,52px);line-height:1.08;letter-spacing:-1.5px;margin-bottom:22px}h3{font-size:23px;line-height:1.2}p{line-height:1.65;color:var(--muted);font-size:17px}.hero{background:var(--navy);color:white;display:grid;align-items:center}.hero h1{max-width:10.5ch}.hero p{color:#dce4ef;font-size:20px;line-height:1.75;max-width:700px}.hero .btn{padding:16px 26px;font-size:17px}.hero-logo{display:block;width:min(300px,62%);height:auto;margin:0 0 18px;background:transparent;border-radius:0;padding:0;box-shadow:none;position:relative;z-index:3}.hero-dock{display:block;width:100%;height:100%;object-fit:cover;object-position:center;position:relative;z-index:2;padding:0}.hero-note{position:absolute;left:28px;right:28px;bottom:24px;background:rgba(255,255,255,.92);border:1px solid #d8dee6;border-radius:20px;padding:14px 16px;color:var(--navy);font-size:14px;line-height:1.5;font-weight:700;z-index:3;box-shadow:0 8px 20px rgba(22,50,79,.10)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}.hero-visual{height:560px;border-radius:110px 0 0 110px;background:linear-gradient(135deg,#e7ebf0,#aeb9c6);position:relative;overflow:hidden;box-shadow:var(--shadow);display:grid;place-items:center;padding:44px}.hero-visual:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 45% 45%,rgba(255,255,255,.72),rgba(255,255,255,.18) 55%,rgba(22,50,79,.08));z-index:1}.route{position:absolute;z-index:2;border:62px solid var(--blue);border-left:0;width:56%;height:76%;right:-7%;top:12%;border-radius:0 170px 170px 0}.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:999px;font-weight:800;border:2px solid transparent}.btn-primary{background:var(--blue);color:var(--navy)}.btn-secondary{border-color:white;color:white}.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.media-placeholder{min-height:500px;background:linear-gradient(145deg,#e4e8ed,#b8c2cd);border-radius:90px 26px 90px 26px;display:grid;place-items:center;text-align:center;padding:30px;font-weight:900;color:var(--navy);box-shadow:var(--shadow)}.result-figure{margin:0}.result-image{display:block;width:100%;height:auto;border-radius:28px;box-shadow:var(--shadow);border:1px solid #d8dee6}.result-caption{margin-top:16px;font-size:14px;line-height:1.55;color:var(--muted)}.research-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:70px}.research-panel{background:white;border-radius:30px;padding:20px;box-shadow:var(--shadow);border:1px solid #d8dee6}.panel-tag{display:inline-block;background:var(--navy);color:white;border-radius:999px;padding:8px 14px;font-size:12px;font-weight:800;letter-spacing:.5px;margin-bottom:14px}.research-panel h3{margin-bottom:12px}.research-image{display:block;width:100%;height:auto;border-radius:22px;border:1px solid #d8dee6}.research-note{margin-top:14px;font-size:14px;line-height:1.6;color:var(--muted)}.research-summary{margin-top:24px;background:#f7f9fb;border:2px dashed #b7c4d3;border-radius:24px;padding:20px 22px}.green-frame{position:relative}.green-frame:before{content:"";position:absolute;inset:-34px 32px 32px -34px;border:52px solid var(--blue);border-radius:110px;z-index:-1}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}.card{background:var(--light);border-radius:28px;padding:28px;min-height:230px}.card .number{width:38px;height:38px;border-radius:50%;background:var(--navy);color:white;display:grid;place-items:center;font-weight:900;margin-bottom:22px}.card p{font-size:15px}.app-image{display:block;width:100%;height:220px;object-fit:cover;object-position:center;border-radius:20px;border:1px solid #d8dee6;margin:0 0 18px;background:#dde5ed}.app-caption{font-size:14px;line-height:1.55;color:var(--muted)}#applications .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;max-width:980px;margin:38px auto 0}#applications .card{min-height:420px;padding:24px 24px 26px}#applications .app-image{height:300px;border-radius:24px}#applications h3{margin-bottom:12px}@media(max-width:900px){.brand-copy{gap:1px}.brand-project{font-size:24px}.hero p{font-size:18px}.hero-logo{width:min(240px,70%)}#applications .cards{grid-template-columns:1fr;max-width:none}#applications .card{min-height:auto}#applications .app-image{height:auto;max-height:360px;object-fit:cover}}.workflow{position:relative;padding-top:30px}.workflow:before{content:"";position:absolute;left:3%;right:3%;top:49%;height:44px;background:var(--blue);border-radius:999px;z-index:-1}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}.metric{border:2px solid var(--navy);border-radius:22px;padding:20px;background:white}.metric strong{font-size:28px;display:block;margin-bottom:4px}.page-title{padding:10px 0 35px}.content-block{padding:28px 0 70px}.blank-note{border:2px dashed #98a6b5;border-radius:24px;padding:22px;color:#7a8598;background:#f7f9fb}.alt{background:#eef2f6}.contact-list{display:grid;gap:14px;margin-top:26px}.contact-item{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:18px;background:white;border:1px solid #d8dee6}.contact-item strong{display:block;color:var(--navy);margin-bottom:3px}.contact-item a{color:var(--blue-dark);font-weight:700;word-break:break-word}.contact-item span{color:var(--muted)}
.contact-form{display:grid;gap:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{display:grid;gap:7px}.form-group label{font-weight:800;color:var(--navy);font-size:14px}.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid #b9c5d2;border-radius:14px;background:white;color:var(--text);font:inherit;padding:13px 14px;outline:none;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(59,130,246,.14)}.form-group textarea{min-height:145px;resize:vertical}.consent-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.5;color:var(--muted)}.consent-row input{margin-top:3px}.form-submit{border:0;cursor:pointer;width:100%;background:var(--blue);color:white;padding:14px 20px;border-radius:999px;font-weight:900;font-size:16px}.form-submit:hover{background:var(--blue-dark)}.form-help{font-size:12px;color:var(--muted);margin:0}.honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}.form-success{display:none;background:#eaf4ff;border:1px solid #9cc5f7;color:var(--navy);border-radius:18px;padding:16px 18px;margin-bottom:18px}.form-success.visible{display:block}.footer{background:var(--navy);color:white;padding:28px 24px;text-align:center}.footer p{color:#cbd5e1;margin:0;font-size:14px}
@media(max-width:900px){.nav-links{display:none;position:absolute;left:16px;right:16px;top:72px;background:white;box-shadow:var(--shadow);padding:16px;border-radius:20px;flex-direction:column}.nav-links.open{display:flex}.menu-button{display:block}.hero-grid,.split{grid-template-columns:1fr}.hero-visual{height:420px;border-radius:70px}.route{display:none}.cards{grid-template-columns:1fr}.workflow:before{display:none}.metric-grid{grid-template-columns:1fr}.research-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}h1{letter-spacing:-1.5px}}

/* Ajustements demandés */
.hero-visual{padding:0;background:linear-gradient(135deg,#eef2f6,#d7dde5);}
.hero-visual:before,.hero-visual .route{display:none;}

.solution-showcase{max-width:980px;margin:10px auto 0;text-align:center;}
.solution-showcase .green-frame{max-width:900px;margin:0 auto;}
.solution-showcase .green-frame:before{inset:-28px 38px 28px -28px;}
.solution-showcase .result-image{width:100%;max-height:620px;object-fit:contain;background:#eef2f6;}
.solution-copy{max-width:850px;margin:34px auto 0;text-align:left;}
.solution-copy p{margin-bottom:18px;}
@media(max-width:900px){.hero-logo{width:min(190px,55%)}.hero-dock{padding:22px}.hero-note{position:static;margin:12px 16px 16px;font-size:13px}.solution-showcase .green-frame:before{inset:-16px 18px 18px -16px;border-width:28px}.solution-copy{text-align:left}}

/* Ajustements de mise en page — pages 2 et 3 */
.solution-showcase .green-frame{width:min(100%,760px);padding:0;display:flex;align-items:center;justify-content:center;margin:0 auto;}
.solution-showcase .green-frame:before{display:none;}
.solution-showcase .result-figure{width:100%;display:flex;flex-direction:column;align-items:center;background:#dfe5eb;border:1px solid #c7d0da;border-radius:24px;padding:10px 12px;overflow:hidden;}
.solution-showcase .result-image{display:block;width:auto;max-width:100%;height:460px;max-height:460px;object-fit:contain;object-position:center;background:#dfe5eb;border-radius:14px;box-shadow:none;border:none;}
.research-grid{align-items:stretch;}
.research-panel{display:flex;flex-direction:column;height:100%;}
.research-panel .research-image{width:100%;height:410px;object-fit:cover;object-position:center;}
.research-panel .research-note{margin-top:16px;margin-bottom:0;}
@media(max-width:900px){.solution-showcase .green-frame{width:100%}.solution-showcase .green-frame:before{display:none}.solution-showcase .result-figure{padding:8px}.solution-showcase .result-image{width:100%;height:auto;max-height:none;object-fit:contain}.research-panel .research-image{height:auto;max-height:480px;object-fit:contain}}

.language-switcher{display:flex;gap:4px;padding:4px;background:#eef2f6;border:1px solid #d8dee6;border-radius:999px;margin-left:auto;margin-right:12px}.lang-button{border:0;background:transparent;color:var(--navy);padding:7px 10px;border-radius:999px;font-weight:900;cursor:pointer}.lang-button.active{background:var(--blue);color:white}@media(max-width:900px){.language-switcher{margin-left:auto;margin-right:10px}.lang-button{padding:6px 9px}}


/* Responsive refinement: desktop, tablet and mobile */
@media (min-width: 1200px){
  .nav{max-width:1280px;padding:18px 28px}
  .container{max-width:1280px;padding:96px 28px}
  .hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(520px,.95fr);gap:72px}
  .hero h1{font-size:clamp(64px,6.4vw,102px);max-width:10.5ch}
  .hero p{font-size:21px;max-width:720px}
  .hero-visual{height:620px}
  .hero-dock{padding:28px}
}

@media (min-width: 701px) and (max-width: 1199px){
  .nav{padding:14px 20px}
  .brand-logo{width:132px}
  .container{padding:72px 22px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero h1{font-size:clamp(48px,6vw,72px);max-width:11ch}
  .hero p{font-size:18px;line-height:1.65}
  .hero-visual{height:470px;border-radius:72px 0 0 72px}
  .hero-note{left:18px;right:18px;bottom:18px;font-size:13px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .research-grid{grid-template-columns:1fr 1fr}
}

@media (max-width: 700px){
  body{overflow-x:hidden}
  .site-header{position:sticky}
  .nav{padding:11px 14px;gap:8px}
  .brand{gap:8px;min-width:0}
  .brand-logo{width:112px;max-width:34vw}
  .brand span{font-size:12px;line-height:1.1;white-space:nowrap}
  .language-switcher{margin-left:auto;margin-right:4px;gap:2px;padding:3px}
  .lang-button{padding:6px 8px;font-size:12px}
  .menu-button{display:block;padding:8px 10px;font-size:12px}
  .nav-links{top:62px;left:10px;right:10px;padding:12px;border-radius:16px}
  .nav-links a{padding:11px 12px}
  .page{min-height:auto;scroll-margin-top:64px}
  .container{padding:48px 16px}
  .hero{min-height:calc(100svh - 62px)}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-grid>div:first-child{order:1}
  .hero-visual{order:2;height:auto;min-height:330px;border-radius:34px;padding:0;overflow:visible}
  .hero-dock{height:auto;min-height:260px;max-height:390px;padding:18px 14px 8px}
  .hero-note{position:static;margin:8px 12px 14px;padding:13px 14px;border-radius:16px;font-size:13px;line-height:1.45}
  .eyebrow{font-size:13px;padding:8px 12px}
  .hero h1{font-size:clamp(40px,12vw,58px);line-height:1.03;letter-spacing:-1.6px;max-width:none;margin:18px 0 18px}
  .hero p{font-size:17px;line-height:1.6;max-width:none}
  .cta-row{display:grid;grid-template-columns:1fr;gap:10px;margin-top:24px}
  .btn{width:100%;padding:14px 18px;font-size:16px}
  h2{font-size:clamp(30px,9vw,42px);letter-spacing:-1px}
  h3{font-size:21px}
  p{font-size:16px}
  .split{grid-template-columns:1fr;gap:30px}
  .solution-showcase,.solution-copy{width:100%}
  .solution-showcase .result-figure{padding:6px;border-radius:18px}
  .solution-showcase .result-image{width:100%;height:auto;max-height:none}
  .research-grid{grid-template-columns:1fr;gap:18px;margin-top:36px}
  .research-panel{padding:16px;border-radius:22px}
  .research-panel .research-image{height:auto;max-height:none;object-fit:contain}
  .cards,#applications .cards{grid-template-columns:1fr;gap:18px;margin-top:28px}
  .card,#applications .card{min-height:auto;padding:20px;border-radius:22px}
  #applications .app-image{height:auto;max-height:300px;border-radius:18px}
  .metric-grid{grid-template-columns:1fr}
  .workflow{padding-top:10px}
  .form-row{grid-template-columns:1fr;gap:14px}
  .contact-form{gap:14px}
  .form-group input,.form-group select,.form-group textarea{font-size:16px}
  .contact-item{padding:12px 14px}
  .footer{padding:24px 16px}
}

/* Four-step RiverShield workflow */
#technologie .workflow>.cards{grid-template-columns:repeat(4,minmax(0,1fr));}
#technologie .workflow>.cards .card{min-height:260px;padding:24px;}
@media(max-width:1100px) and (min-width:701px){#technologie .workflow>.cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:700px){#technologie .workflow>.cards{grid-template-columns:1fr;}#technologie .workflow>.cards .card{min-height:auto;}}