*{box-sizing:border-box}body{margin:0;color:#263746;background:#fff;font-family:'Poppins',Arial,sans-serif;line-height:1.7;font-size:17px}a{color:#24586F;text-underline-offset:4px}header{border-bottom:1px solid #dfE7ed}.wrap{width:min(1100px,calc(100% - 40px));margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 0}.brand{font-weight:700;font-size:23px;text-decoration:none}.back{font-size:15px}main{padding:44px 0 64px}h1,h2{font-family:'Poppins',Arial,sans-serif;color:#24586F;line-height:1.15;font-weight:400}h1{font-size:clamp(34px,5vw,52px);max-width:880px;margin:12px 0 22px}h2{font-size:30px;margin:40px 0 16px}h3{font-size:20px;line-height:1.35;color:#24586F;margin:0 0 10px}.lead{max-width:850px;font-size:19px}.tag{font-size:13px;letter-spacing:.055em;text-transform:uppercase;color:#8b4c13;font-weight:700}.notice{padding:16px 20px;background:#EFF5F6;border-left:4px solid #24586F;margin:28px 0;font-size:15px}.figure{margin:28px 0}.figure img{display:block;width:100%;height:auto;border:1px solid #dce6ec;border-radius:10px}.figure figcaption{font-size:14px;color:#526575;margin-top:12px}.benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:40px 0}.benefits article{border-top:3px solid #E38B3F;padding-top:20px}.benefits p{margin:0}details{border:1px solid #dce6ec;border-radius:10px;padding:18px 22px;margin:22px 0}summary{cursor:pointer;font-weight:700;color:#24586F}.button{display:inline-block;padding:13px 23px;border-radius:8px;background:#24586F;color:#fff;text-decoration:none;font-weight:700}.actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:24px 0}.scope{background:#f6f8fa;padding:26px;border-radius:10px;margin:32px 0}.scope h2{margin-top:0}.related{display:flex;gap:22px;flex-wrap:wrap;margin:22px 0}footer{background:#101E33;color:#fff;padding:28px 0;font-size:14px}footer a{color:white}footer p{margin:5px 0}a:focus-visible,summary:focus-visible{outline:3px solid #E38B3F;outline-offset:5px}@media(max-width:800px){.benefits{grid-template-columns:1fr;gap:25px}.topbar{align-items:flex-start}.wrap{width:calc(100% - 32px)}main{padding-top:28px}.back{max-width:160px;text-align:right}.actions .button{width:100%;text-align:center}}

.diagnostic-exemple{margin:44px 0;border-top:1px solid #dce6ec;padding-top:10px}.diagnostic-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:32px;align-items:start;margin:26px 0}.diagnostic-layout img{width:100%;height:auto;border:1px solid #dce6ec;box-shadow:0 5px 22px #24586F12}.diagnostic-layout ul{padding-left:22px}.download-note{font-size:14px;color:#526575}@media(max-width:600px){.diagnostic-layout{grid-template-columns:1fr}.diagnostic-layout>a{max-width:230px;margin:auto}.diagnostic-layout .button{font-size:15px}}
.hero .hero-position{font-size:16px;letter-spacing:.025em;color:#d7e9f5;margin:18px auto;max-width:680px}.hero .hero-examples{display:inline-block;color:#fff;font-size:15px;text-decoration:underline;text-underline-offset:5px;margin-top:12px}.hero .hero-links{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:24px}.hero-links a{color:#d7e9f5;font-size:14px;text-underline-offset:4px}.formule-purpose{color:var(--navy);font-weight:600;font-size:16px;line-height:1.5;margin-bottom:16px;text-align:left}.formule-card{align-self:start}.formule-card .formule-features{margin-bottom:14px}.formule-detail{border-top:1px solid var(--gray-200);padding-top:14px;text-align:left}.formule-detail summary{cursor:pointer;color:var(--navy);font-size:14px;font-weight:600}.formule-detail p{font-size:14px;color:var(--gray-600);line-height:1.6;margin:12px 0}.formule-card .formule-scope{border:0;padding:0;font-size:13px}.formule-next{display:inline-block;margin-top:18px;color:var(--navy);font-weight:600;font-size:14px;text-underline-offset:4px}.local-contact{font-size:14px;color:var(--gray-600);line-height:1.7;margin-top:16px}.local-contact a{color:var(--navy)}.exemples-section{padding-top:48px;padding-bottom:48px}.exemples-section .exemple-card-body{padding:18px}.exemples-section .exemple-card p{font-size:15px;line-height:1.5}.exemples-section .exemples-intro{font-size:16px;margin-bottom:24px}.exemples-section .exemple-card img{aspect-ratio:4/3;object-fit:contain}.author-note{font-size:14px;color:#526575;margin:28px 0}.site-nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}.service-steps{padding-left:24px}.service-steps li{padding:8px 0}.service-price{font-size:21px;font-weight:700;color:#24586F}.service-questions dt{font-weight:700;color:#24586F;margin-top:24px}.service-questions dd{margin:8px 0 24px}.service-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:16px}.service-table th,.service-table td{padding:14px;text-align:left;border-bottom:1px solid #dce6ec;vertical-align:top}.service-table th{background:#EFF5F6;color:#24586F}@media(max-width:600px){.service-table th,.service-table td{padding:10px;font-size:14px}.service-table th:first-child{width:35%}.hero .hero-links{gap:16px}.exemples-section{padding:36px 16px}}

/* Charte Stratej OI v10, 11/07/2026 */
body{font-family:'Poppins',Arial,sans-serif}
h1,h2,.section-title,.about-name{font-family:'Poppins',Arial,sans-serif;font-weight:500}
/* User's existing visual references, supplied 11/09/2026: petroleum-blue gradient. */
:root{--brand-gradient:linear-gradient(135deg,#0F293A 0%,#1A445C 50%,#25617D 100%)}
.hero{background:var(--brand-gradient);padding-top:38px}
.cta-final{background:var(--brand-gradient)}
footer{background:#102C3E}
.hero::before{display:none}
.hero-brand{position:relative;max-width:560px;margin:0 auto 24px}
.hero-brand img{display:block;width:100%;height:auto}
.hero h1{font-weight:500;font-size:clamp(28px,4vw,44px);line-height:1.2}
.hero .hero-position,.hero .hero-links a{color:#C6CCD6}
.btn-primary{color:#101E33;background:#E38B3F}
.btn-primary:hover{color:#101E33;background:#E38B3F;box-shadow:0 3px 16px #e38b3f40}
.tag,.exemple-label{color:#24586F}
.formule-price{font-size:24px}
.brand{display:block;line-height:0;flex-shrink:0}
.brand img{display:block;width:260px;height:auto}
.topbar{align-items:center}
.hero p{color:#C6CCD6}
@media(max-width:640px){.hero{padding:22px 16px 32px}.hero .hero-brand{margin-bottom:20px!important;max-width:390px}.hero h1{font-size:27px}.brand img{width:185px}.topbar{gap:12px}.back{font-size:12px;max-width:95px}h1{font-size:30px}h2{font-size:26px}}
@media(max-width:350px){.brand img{width:165px}.hero h1{font-size:25px}}