:root{--blue:#3B82F6;--blue-dk:#2563EB;--blue-lt:#EFF6FF;--teal:#0EA5A0;--navy:#0A1628;--bg:#F5F7FF;--white:#fff;--text:#0F172A;--text-m:#475569;--text-l:#94A3B8;--border:#E2E8F0;--radius:12px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,sans-serif;color:var(--text);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
.container{max-width:780px;margin:0 auto;padding:0 24px}
.container-wide{max-width:1100px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:6px;font-family:'Inter',sans-serif;font-weight:700;font-size:.95rem;border-radius:8px;padding:13px 28px;cursor:pointer;border:2px solid transparent;transition:all .18s}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}.btn-primary:hover{background:var(--blue-dk);transform:translateY(-1px)}
.btn-teal{background:var(--teal);color:#fff;border-color:var(--teal)}.btn-teal:hover{background:#0C9490;transform:translateY(-1px)}
nav.site-nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 8px rgba(0,0,0,.04)}
.nav-inner{display:flex;align-items:center;height:64px;gap:24px}
.nav-logo img{height:42px}.nav-logo-txt{font-size:1.2rem;font-weight:800;color:var(--blue)}
.nav-links{display:flex;gap:4px;flex:1}.nav-links a{padding:6px 12px;border-radius:6px;font-size:.88rem;font-weight:500;color:var(--text-m)}.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--blue-lt)}
.breadcrumb{background:var(--bg);border-bottom:1px solid var(--border);padding:12px 0;font-size:.8rem;color:var(--text-l)}
.breadcrumb ol{display:flex;gap:8px;align-items:center;flex-wrap:wrap;max-width:780px;margin:0 auto;padding:0 24px}
.breadcrumb li::after{content:'/';margin-left:8px;color:var(--border)}.breadcrumb li:last-child::after{content:''}.breadcrumb a{color:var(--blue)}
/* Article */
.article-hero{background:var(--navy);padding:52px 0 44px;position:relative;overflow:hidden}
.article-hero::after{content:'';position:absolute;top:-60px;right:-40px;width:360px;height:360px;background:radial-gradient(circle,rgba(59,130,246,.15) 0%,transparent 65%);pointer-events:none}
.article-hero-inner{position:relative;z-index:1}
.art-cat{display:inline-flex;align-items:center;gap:6px;background:rgba(59,130,246,.2);border:1px solid rgba(59,130,246,.4);border-radius:99px;padding:4px 14px;font-size:.72rem;font-weight:700;color:#93A8F4;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.article-hero h1{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;color:#fff;line-height:1.25;margin-bottom:14px}
.art-meta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:.8rem;color:rgba(255,255,255,.5)}
.art-meta span::before{content:'·';margin-right:8px}
.art-meta span:first-child::before{content:''}
.article-body{padding:48px 0 32px}
.article-body h2{font-size:1.35rem;font-weight:800;color:var(--text);margin:36px 0 14px;padding-top:8px}
.article-body h3{font-size:1.05rem;font-weight:700;color:var(--text);margin:24px 0 10px}
.article-body p{font-size:.97rem;color:var(--text-m);line-height:1.85;margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 16px 20px;padding:0}
.article-body li{font-size:.97rem;color:var(--text-m);line-height:1.75;margin-bottom:6px}
.article-body strong{color:var(--text);font-weight:600}
.info-box{background:var(--blue-lt);border:1px solid rgba(59,130,246,.25);border-left:4px solid var(--blue);border-radius:10px;padding:18px 20px;margin:24px 0}
.info-box p{color:var(--text);margin:0;font-size:.9rem}
.warn-box{background:#FFFBEB;border:1px solid #FDE68A;border-left:4px solid #F59E0B;border-radius:10px;padding:18px 20px;margin:24px 0}
.warn-box p{color:#92400E;margin:0;font-size:.9rem}
.article-cta{background:var(--navy);border-radius:16px;padding:36px;margin:40px 0;text-align:center}
.article-cta h3{color:#fff;font-size:1.2rem;font-weight:800;margin-bottom:8px}
.article-cta p{color:rgba(255,255,255,.6);font-size:.9rem;margin-bottom:20px}
.article-cta .proof{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:14px;font-size:.78rem;color:rgba(255,255,255,.5)}
.article-cta .proof span::before{content:'✓ ';color:var(--teal)}
.related-art{padding:40px 0;border-top:1px solid var(--border);margin-top:24px}
.related-art h2{font-size:1.1rem;font-weight:800;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{background:var(--bg);border:1.5px solid var(--border);border-radius:10px;padding:18px;transition:all .2s}
.rel-card:hover{border-color:var(--blue);background:var(--blue-lt)}
.rel-cat{font-size:.68rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.rel-title{font-size:.84rem;font-weight:700;color:var(--text);line-height:1.4}
/* Blog index */
.blog-hero{background:var(--navy);padding:56px 0;text-align:center;position:relative;overflow:hidden}
.blog-hero::after{content:'';position:absolute;top:-80px;right:-40px;width:400px;height:400px;background:radial-gradient(circle,rgba(14,165,160,.15) 0%,transparent 65%);pointer-events:none}
.blog-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:#fff;margin-bottom:10px;position:relative;z-index:1}
.blog-hero p{font-size:1rem;color:rgba(255,255,255,.6);position:relative;z-index:1}
.blog-section{padding:56px 0}
.blog-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:36px}
.bfilt{padding:6px 18px;border-radius:99px;border:1.5px solid var(--border);background:#fff;font-size:.8rem;font-weight:500;color:var(--text-m);cursor:pointer;transition:all .15s}
.bfilt:hover,.bfilt.active{background:var(--blue-lt);border-color:var(--blue);color:var(--blue)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bcard{background:#fff;border:1.5px solid var(--border);border-radius:14px;overflow:hidden;transition:all .2s;display:flex;flex-direction:column}
.bcard:hover{box-shadow:0 4px 24px rgba(59,130,246,.12);border-color:var(--blue);transform:translateY(-2px)}
.bcard-top{padding:24px 24px 16px;flex:1}
.bcard-cat{font-size:.68rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.bcard-title{font-size:1rem;font-weight:700;color:var(--text);line-height:1.4;margin-bottom:10px}
.bcard-excerpt{font-size:.82rem;color:var(--text-m);line-height:1.65}
.bcard-foot{padding:14px 24px;border-top:1px solid var(--border);background:#FAFBFD;display:flex;justify-content:space-between;align-items:center}
.bcard-date{font-size:.75rem;color:var(--text-l)}
.bcard-read{font-size:.75rem;font-weight:600;color:var(--blue)}
footer{background:#0F172A;color:rgba(255,255,255,.5);padding:36px 0 20px}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:28px;max-width:1100px;margin-left:auto;margin-right:auto;padding:0 24px}
.footer-logo-txt{font-size:1.1rem;font-weight:800;color:rgba(255,255,255,.8);margin-bottom:10px}
.footer-brand p{font-size:.78rem;line-height:1.7;max-width:240px;font-weight:300}
.footer-orias{display:inline-flex;align-items:center;gap:5px;background:rgba(59,130,246,.15);border:1px solid rgba(59,130,246,.3);padding:4px 10px;border-radius:6px;font-size:.7rem;font-weight:600;color:#93A8F4;margin-top:12px}
.footer-col h4{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.9);margin-bottom:10px}
.footer-col ul{display:flex;flex-direction:column;gap:7px}.footer-col ul a{font-size:.78rem;font-weight:300}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.7rem;max-width:1100px;margin:0 auto;padding-left:24px;padding-right:24px}
.footer-links{display:flex;gap:14px}
@media(max-width:900px){.blog-grid,.related-grid{grid-template-columns:1fr}}
@media(max-width:600px){.nav-links{display:none}}


/* V5.4 — contenu expert, tableaux et preuves éditoriales */
.article-lead{font-size:1.08rem!important;line-height:1.85!important;color:#334155!important;font-weight:500}
.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--border);border-radius:12px}
.article-table{width:100%;border-collapse:collapse;min-width:620px;background:#fff}
.article-table th,.article-table td{padding:13px 15px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border);font-size:.9rem;line-height:1.55}
.article-table th{background:#F8FAFC;color:var(--text);font-weight:700}.article-table tr:last-child td{border-bottom:0}
.checklist{list-style:none!important;margin-left:0!important;display:grid;gap:8px}.checklist li{position:relative;padding:10px 12px 10px 38px;border:1px solid var(--border);border-radius:9px;background:#FAFBFD;margin:0!important}.checklist li:before{content:'✓';position:absolute;left:14px;top:10px;color:var(--teal);font-weight:800}
.risk-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.risk-card{border:1px solid var(--border);border-radius:10px;padding:16px;background:#FAFBFD}.risk-card strong{display:block;margin-bottom:6px}.risk-card p{margin:0;font-size:.88rem;line-height:1.6}
.editorial-note{border:1px solid #BAE6FD;background:#F0F9FF;border-radius:12px;padding:18px 20px;margin:34px 0}.editorial-note strong{display:block;color:#0C4A6E;margin-bottom:5px}.editorial-note p{margin:0 0 8px;color:#334155;font-size:.87rem;line-height:1.65}.editorial-note a{color:var(--blue);font-weight:700;font-size:.84rem}
.sources-section{border-top:1px solid var(--border);padding-top:24px;margin-top:30px}.sources-section h2{margin-top:0}.source-list{margin-left:18px!important}.source-list a{color:#2563EB;text-decoration:underline;text-underline-offset:2px}.source-note{font-size:.78rem!important;color:var(--text-l)!important}
.cluster-nav{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 36px}.cluster-nav a{border:1px solid var(--border);border-radius:9px;padding:10px 14px;font-size:.82rem;font-weight:700;color:var(--blue);background:#fff}.cluster-nav a:hover{background:var(--blue-lt);border-color:var(--blue)}
@media(max-width:700px){.risk-grid{grid-template-columns:1fr}.article-table{min-width:560px}.article-body{padding-top:32px}}