:root{--ink:#062f3f;--blue:#003a51;--teal:#135872;--sky:#10b8d7;--soft:#eef8fa;--line:#d7e8ed;--text:#36515c;--white:#fff;--shadow:0 24px 70px rgba(0,58,81,.14);--radius:28px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--text);background:#f8fcfd;line-height:1.68}a{color:inherit}img{max-width:100%;display:block}.section-pad{padding:96px clamp(22px,5vw,72px)}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px clamp(22px,5vw,72px);background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,58,81,.08)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;font-weight:900;letter-spacing:-1px;box-shadow:0 10px 30px rgba(0,58,81,.18)}.brand strong{display:block;color:var(--blue);font-size:1rem}.brand small{display:block;color:#5f7b85;font-size:.78rem}.main-nav{display:flex;gap:8px;align-items:center}.main-nav a{font-weight:700;font-size:.92rem;text-decoration:none;color:var(--blue);padding:10px 12px;border-radius:999px}.main-nav a:hover,.main-nav a.active{background:var(--soft)}.menu-toggle{display:none;border:0;background:var(--blue);color:#fff;border-radius:12px;padding:10px 13px;font-size:1.25rem}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.95fr);gap:56px;align-items:center;min-height:calc(100vh - 92px);background:radial-gradient(circle at 10% 10%,rgba(16,184,215,.13),transparent 38%),linear-gradient(180deg,#fff,#f4fbfd)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--sky);font-size:.78rem;font-weight:900;margin:0 0 14px}.hero h1,.section-heading h2,.visual-split h2,.strategy h2,.contact h2{color:var(--blue);line-height:1.08;letter-spacing:-.04em}.hero h1{font-size:clamp(2.45rem,6vw,5.4rem);margin:0 0 24px}.lead{font-size:clamp(1.05rem,2vw,1.28rem);max-width:760px;color:#284853}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:14px 24px;border-radius:999px;text-decoration:none;font-weight:900;border:1px solid transparent}.btn.primary{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;box-shadow:0 16px 36px rgba(0,58,81,.2)}.btn.ghost{border-color:var(--line);background:#fff;color:var(--blue)}.btn.light{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.3)}.trust-list{list-style:none;display:flex;gap:10px;flex-wrap:wrap;margin:0;padding:0}.trust-list li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:var(--blue);font-weight:700}.hero-visual img,.visual-split img,.strategy img{border-radius:var(--radius);box-shadow:var(--shadow)}.intro{background:#fff}.section-heading{max-width:860px;margin-bottom:42px}.section-heading.centered{text-align:center;margin-left:auto;margin-right:auto}.section-heading h2{font-size:clamp(2rem,4vw,3.4rem);margin:0 0 16px}.two-col{display:grid;grid-template-columns:minmax(0,1.1fr) 360px;gap:42px;align-items:start}.two-col p{font-size:1.05rem}.stat-panel{background:var(--blue);color:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:grid;gap:18px}.stat-panel div{padding:18px;background:rgba(255,255,255,.08);border-radius:22px}.stat-panel strong{font-size:2.2rem;display:block}.stat-panel span{opacity:.86}.visual-split,.strategy{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);gap:58px;align-items:center;background:#f3fbfd}.visual-split h2,.strategy h2,.contact h2{font-size:clamp(2rem,4vw,3.2rem);margin:0 0 22px}.services{background:#fff}.service-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}.service-nav a{font-size:.86rem;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:9px 13px;color:var(--blue);font-weight:700;background:#fff}.service-nav a:hover{background:var(--soft)}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.service-card{position:relative;padding:30px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(180deg,#fff,#fbfdfe);min-height:278px;transition:.25s ease;scroll-margin-top:110px}.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(16,184,215,.45)}.service-index{display:inline-flex;width:44px;height:44px;border-radius:15px;align-items:center;justify-content:center;background:var(--soft);font-weight:900;color:var(--teal);margin-bottom:16px}.service-card h3{margin:0 0 12px;color:var(--blue);font-size:1.25rem;line-height:1.25}.service-card p{margin:0 0 20px}.service-card a{position:absolute;left:30px;bottom:28px;color:var(--teal);font-weight:900;text-decoration:none}.service-card a:hover{text-decoration:underline}.strategy{background:linear-gradient(180deg,#f8fcfd,#fff);grid-template-columns:minmax(0,1fr) minmax(320px,.9fr)}.references{background:#fff}.reference-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.reference-cards article{background:var(--soft);padding:26px;border-radius:24px}.reference-cards h3{margin-top:0;color:var(--blue)}.reference-link{margin-top:28px;font-weight:700}.reference-link a{color:var(--teal)}.contact{background:var(--blue);color:#e9f8fb}.contact-card{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:40px;align-items:center;border:1px solid rgba(255,255,255,.15);border-radius:34px;padding:clamp(28px,5vw,54px);background:linear-gradient(135deg,rgba(255,255,255,.09),rgba(16,184,215,.12))}.contact h2{color:#fff}.contact .eyebrow{color:#72e4f6}.contact-actions{display:grid;gap:14px}.contact-actions span{font-weight:800;color:#fff}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:26px clamp(22px,5vw,72px);background:#031e29;color:#cde9ef;font-size:.92rem}.site-footer a{color:#fff;text-decoration:none}.site-footer a:hover{text-decoration:underline}@media (max-width:980px){.hero,.two-col,.visual-split,.strategy,.contact-card{grid-template-columns:1fr}.service-grid,.reference-cards{grid-template-columns:1fr 1fr}.main-nav{position:absolute;left:22px;right:22px;top:86px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;display:none;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.menu-toggle{display:inline-flex}.main-nav a{padding:12px 16px}}@media (max-width:640px){.section-pad{padding:70px 20px}.service-grid,.reference-cards{grid-template-columns:1fr}.brand small{display:none}.hero-actions{display:grid}.btn{width:100%}.site-footer{flex-direction:column;text-align:center}.hero h1{font-size:2.4rem}.service-card{min-height:auto;padding-bottom:76px}}

.brand{gap:0}.brand-logo{width:clamp(170px,22vw,260px);height:auto;display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:640px){.brand-logo{width:180px}}


/* Version 1.2 - contraste renforcé et interactions visibles */
.secondary-lead{margin-top:-10px;font-size:clamp(1rem,1.8vw,1.12rem);color:#345966;max-width:760px}
.btn{border:2px solid var(--blue);transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;box-shadow:0 12px 28px rgba(0,58,81,.16)}
.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn.primary:hover,.btn.primary:focus-visible{background:#fff;color:var(--blue);border-color:var(--blue);transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,58,81,.22)}
.btn.ghost{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn.ghost:hover,.btn.ghost:focus-visible{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,58,81,.22)}
.btn.light{background:#fff;color:var(--blue);border-color:#fff}.btn.light:hover,.btn.light:focus-visible{background:transparent;color:#fff;border-color:#fff}
.service-card{border:2px solid rgba(0,58,81,.22);background:#fff;box-shadow:0 16px 40px rgba(0,58,81,.08);min-height:390px;padding-bottom:92px}.service-card:hover{border-color:var(--blue);box-shadow:0 28px 70px rgba(0,58,81,.18)}
.service-card p{font-size:.98rem;line-height:1.62;color:#3b5963}.service-card a{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:999px;background:var(--blue);color:#fff;border:2px solid var(--blue);text-decoration:none;transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease}.service-card a:hover,.service-card a:focus-visible{background:#fff;color:var(--blue);border-color:var(--blue);text-decoration:none;transform:translateY(-2px)}
.reference-cards article,.stat-panel,.contact-card{border:2px solid rgba(0,58,81,.14);box-shadow:0 18px 48px rgba(0,58,81,.10)}
.contact-card{border-color:rgba(255,255,255,.34)}
.service-nav a{border:2px solid rgba(0,58,81,.18);background:#fff;color:var(--blue);transition:.2s ease}.service-nav a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
@media (max-width:640px){.service-card{min-height:auto;padding-bottom:96px}}

.heart{color:#e31b23;font-size:1.08em;line-height:1;display:inline-block;transform:translateY(1px)}
.nap{font-style:normal;color:#fff;line-height:1.55;font-weight:700;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:22px;padding:16px 18px}.nap strong{display:block;color:#fff;margin-bottom:4px}.contact-actions .nap{font-size:.95rem}

.external-highlight{display:inline;font-weight:900;color:#003a51;background:#dff7fb;border-bottom:2px solid #10b8d7;text-decoration:none;padding:1px 4px;border-radius:6px;transition:.2s ease}
.external-highlight:hover{background:#003a51;color:#fff;border-bottom-color:#003a51}
.method-list{counter-reset:methode;list-style:none;margin:28px 0 0;padding:0;display:grid;gap:18px}
.method-list li{position:relative;padding:24px 24px 24px 86px;border:1px solid rgba(0,58,81,.18);border-radius:24px;background:#fff;box-shadow:0 14px 34px rgba(0,58,81,.08)}
.method-list li::before{counter-increment:methode;content:counter(methode);position:absolute;left:22px;top:24px;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#003a51;color:#fff;font-weight:900}
.method-list strong{display:block;color:#003a51;font-size:1.08rem;margin-bottom:6px}
.method-list span{display:block}
@media (max-width:640px){.method-list li{padding:78px 20px 22px}.method-list li::before{left:20px;top:20px}}


/* Version 1.5 - visuels photo réalistes */
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:center center;background:#fff}
.visual-split img,.strategy img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center center;background:#fff}
.hero-visual img,.visual-split img,.strategy img{border:2px solid rgba(0,58,81,.12)}


/* Version 1.6 - mise en scène humaine premium */
.hero{background:radial-gradient(circle at 10% 12%,rgba(16,184,215,.16),transparent 34%),radial-gradient(circle at 86% 18%,rgba(0,58,81,.10),transparent 28%),linear-gradient(180deg,#fff,#f4fbfd)}
.hero-visual{position:relative;margin:0}.hero-visual::before{content:"";position:absolute;inset:-18px;border-radius:36px;background:linear-gradient(135deg,rgba(16,184,215,.18),rgba(0,58,81,.10));transform:rotate(-2deg);z-index:0}.hero-visual img{position:relative;z-index:1;border-radius:34px;box-shadow:0 32px 90px rgba(0,58,81,.20)}
.human-team{background:linear-gradient(180deg,#fff,#eef8fa)}
.team-gallery{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:22px;align-items:stretch}
.team-card{position:relative;overflow:hidden;min-height:480px;border-radius:32px;background:#003a51;color:#fff;box-shadow:0 24px 70px rgba(0,58,81,.18);border:2px solid rgba(0,58,81,.10)}
.team-card img{width:100%;height:100%;min-height:480px;object-fit:cover;object-position:center;filter:saturate(1.02) contrast(1.03)}
.team-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,58,81,.04) 20%,rgba(0,58,81,.88) 100%)}
.team-card div{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:28px}.team-card span{display:inline-flex;margin-bottom:10px;padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.18);font-weight:900;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}.team-card h3{margin:0 0 10px;line-height:1.18;font-size:1.32rem}.team-card p{margin:0;color:#e5f8fc;line-height:1.55}.featured-team-card h3{font-size:clamp(1.65rem,3vw,2.2rem)}
.visual-split img,.strategy img{box-shadow:0 26px 70px rgba(0,58,81,.16);border-radius:34px}.visual-split,.strategy{position:relative;overflow:hidden}.visual-split::before,.strategy::before{content:"";position:absolute;width:220px;height:220px;border-radius:999px;background:rgba(16,184,215,.12);filter:blur(2px);z-index:0}.visual-split::before{left:-70px;bottom:-90px}.strategy::before{right:-90px;top:-90px}.visual-split>*,.strategy>*{position:relative;z-index:1}
.reference-cards article{border:2px solid rgba(0,58,81,.12);background:linear-gradient(180deg,#ffffff,#f1fbfd)}
@media (max-width:1080px){.team-gallery{grid-template-columns:1fr}.team-card,.team-card img{min-height:420px}}
@media (max-width:640px){.team-card,.team-card img{min-height:360px}.team-card div{padding:22px}.team-card h3,.featured-team-card h3{font-size:1.35rem}}