:root{--teal:#2f7f89;--teal-dark:#15535d;--orange:#f47b20;--ink:#1f2933;--muted:#64707a;--line:#dfe5e8;--soft:#f6f8f9}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);line-height:1.55}a{text-decoration:none;color:inherit}.container{width:min(1180px,92%);margin:auto}
header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:#0d3942}.brand img{height:48px}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:-4px}
nav{display:flex;align-items:center;gap:22px}nav a{font-size:15px;font-weight:700;color:#19313a}nav a:hover{color:var(--teal)}.cta{background:var(--teal-dark);color:white!important;padding:11px 16px;border-radius:6px}.lang-switch{display:inline-flex;gap:6px;border:1px solid var(--line);border-radius:999px;padding:4px}.lang-switch a{padding:5px 9px;border-radius:999px;font-size:13px;font-weight:800}.lang-switch .active{background:var(--teal-dark);color:white}
.hero{min-height:660px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(0,0,0,.42),rgba(0,0,0,.18)),url('assets/hero_bridge.jpg') center/cover no-repeat}.hero-panel{max-width:575px;background:rgba(255,255,255,.84);backdrop-filter:blur(4px);padding:42px;border-radius:5px;box-shadow:0 18px 55px rgba(0,0,0,.2)}.hero h1{margin:0;font-size:48px;line-height:1.1;color:#0d3942}.accent{width:54px;height:4px;background:var(--orange);margin:22px 0}.hero p{font-size:18px;color:#22313a;margin:0 0 14px}.hero-buttons{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-block;background:var(--orange);color:white;padding:13px 18px;border-radius:5px;font-weight:700;border:0;cursor:pointer}.btn.secondary{background:white;color:var(--teal-dark);border:1px solid var(--teal)}
section{padding:62px 0}.section-head{margin-bottom:26px}.section-head h2{margin:0;color:var(--teal-dark);font-size:34px}.section-head p{margin:10px 0 0;color:var(--muted);max-width:760px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}.card{background:white;border:1px solid var(--line);border-radius:9px;overflow:hidden;box-shadow:0 10px 28px rgba(20,35,45,.06)}.card img{display:block;width:100%;height:230px;object-fit:cover}.card-body{padding:20px}.card h3{margin:0 0 10px;font-size:21px;color:#1c2930}.card p{margin:0;color:#56626b}.arrow{color:var(--teal);font-weight:900;font-size:22px;float:right}.services{background:var(--soft)}.service-card img{height:185px}.service-card h3{font-size:18px}.service-card p{font-size:14px}
.profile,.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}.profile-box,.contact-form{background:white;border-left:5px solid var(--orange);padding:26px;box-shadow:0 12px 34px rgba(20,35,45,.08)}ul{margin:0;padding-left:20px;color:#48545d}.clients{background:#102b33;color:white}.clients h2{color:white}.clients p{color:#d8e4e8}.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}.client-item{border:1px solid rgba(255,255,255,.24);padding:18px;border-radius:6px;font-weight:700;text-align:center}
.reveal-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:16px 0}.reveal-value{padding:8px 10px;background:var(--soft);border:1px solid var(--line);border-radius:5px;color:var(--muted)}.small-btn{border:1px solid var(--teal);background:white;color:var(--teal-dark);padding:8px 11px;border-radius:5px;font-weight:700;cursor:pointer}.contact-form label{display:block;font-weight:700;margin:0 0 6px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:12px;font:inherit;margin-bottom:14px}.contact-form textarea{min-height:130px;resize:vertical}.form-note{font-size:13px;color:var(--muted);margin-top:10px}
.legal{background:var(--soft);border-top:1px solid var(--line)}.legal-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.legal-card{background:white;border:1px solid var(--line);border-radius:8px;padding:22px}
footer{background:#202326;color:white;padding:34px 0}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-grid p{margin:4px 0;color:#d7d7d7}.footer-links a{color:#d7d7d7;margin-right:16px}
@media(max-width:1050px){.grid-5{grid-template-columns:repeat(2,1fr)}nav{gap:14px}}@media(max-width:820px){nav{display:none}.hero{min-height:590px}.hero-panel{padding:28px}.hero h1{font-size:36px}.grid-3,.grid-5,.profile,.contact-layout,.client-grid,.legal-grid{grid-template-columns:1fr}}

/* V9 additions */
.clickable-card{cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.clickable-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(20,35,45,.12)}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.46);display:none;align-items:center;justify-content:center;z-index:9999;padding:22px}.modal-overlay.open{display:flex}
.modal-box{width:min(720px,92vw);max-height:82vh;overflow:auto;background:rgba(255,255,255,.96);backdrop-filter:blur(7px);border-radius:16px;box-shadow:0 22px 70px rgba(0,0,0,.28);padding:30px;position:relative;border:1px solid rgba(255,255,255,.55)}
.modal-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:28px;cursor:pointer}.modal-box h2{margin:0 38px 16px 0;color:var(--teal-dark);font-size:30px}.modal-box p{color:#46545d;margin:0 0 12px;font-size:16px}
.service-card a{display:block;color:inherit;text-decoration:none;height:100%}.map-card{background:white;border:1px solid var(--line);border-radius:10px;padding:22px;box-shadow:0 12px 34px rgba(20,35,45,.08);margin-top:22px}.france-map{width:100%;max-width:380px;display:block;margin:10px auto 18px}.map-note{text-align:center;color:var(--muted);font-size:15px}
.footer-legal{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:18px;color:#d7d7d7;font-size:14px}.footer-legal p{margin:4px 0}
@media(max-width:820px){.footer-legal{grid-template-columns:1fr}.modal-box{padding:24px}}


/* Mobile refinement - V9.1 */
@media (max-width: 820px){
  .container{width:min(100% - 28px, 1180px)}
  header{position:sticky;top:0}
  .nav{min-height:auto;gap:10px;padding:10px 0;flex-wrap:wrap;align-items:flex-start}
  .brand{gap:9px;max-width:100%}
  .brand img{height:40px;flex:0 0 auto}
  .brand span{font-size:17px;line-height:1.1}
  .brand small{font-size:10px;line-height:1.15;margin-top:1px;max-width:245px}
  nav{display:flex;width:100%;gap:8px;overflow-x:auto;padding:4px 0 2px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  nav::-webkit-scrollbar{display:none}
  nav a{white-space:nowrap;font-size:13px;padding:7px 9px;border:1px solid var(--line);border-radius:999px;background:#fff}
  nav .cta{display:none}
  .lang-switch{flex:0 0 auto;background:#fff;padding:3px}
  .lang-switch a{border:0;background:transparent;padding:5px 8px}
  .hero{min-height:auto;padding:72px 0;background-position:center}
  .hero-panel{max-width:100%;padding:24px 20px;background:rgba(255,255,255,.89)}
  .hero h1{font-size:32px;line-height:1.12}
  .hero p{font-size:16px}
  .hero-buttons{gap:10px}
  .hero-buttons .btn{width:100%;text-align:center}
  section{padding:44px 0}
  .section-head h2{font-size:29px}
  .section-head p{font-size:15px}
  .grid-3,.grid-5{gap:18px}
  .card img{height:205px}
  .service-card img{height:190px}
  .card-body{padding:17px}
  .card h3{font-size:19px;line-height:1.25}
  .card p{font-size:15px}
  .profile-box,.contact-form,.map-card{padding:20px}
  .client-grid{gap:10px}
  .client-item{padding:14px 10px;font-size:14px}
  .footer-grid{display:block}
  .footer-links a{display:inline-block;margin:8px 12px 0 0}
  .modal-overlay{align-items:flex-end;padding:0;background:rgba(0,0,0,.52)}
  .modal-box{width:100%;max-height:86vh;border-radius:18px 18px 0 0;padding:24px 20px 28px}
  .modal-box h2{font-size:25px;line-height:1.2}
}
@media (max-width: 420px){
  .container{width:min(100% - 22px, 1180px)}
  .brand small{max-width:205px}
  .hero{padding:58px 0}
  .hero h1{font-size:28px}
  .card img,.service-card img{height:185px}
  .section-head h2{font-size:26px}
}