*{box-sizing:border-box}
:root{--bg:#f4f8ff;--surface:#fff;--surface-soft:rgba(255,255,255,.78);--line:rgba(15,23,42,.1);--text:#0f172a;--muted:#5f6f86;--blue:#0ea5e9;--blue-deep:#0f5cdb;--blue-soft:#e0f2fe;--shadow:0 18px 44px rgba(15,92,219,.1);--shadow-soft:0 10px 28px rgba(15,23,42,.07);--radius:22px;--max:1120px}
html{scroll-behavior:smooth}
body.blog-page{min-height:100vh;margin:0;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,rgba(14,165,233,.18),transparent 30%),linear-gradient(180deg,#f8fbff 0%,#eef5ff 44%,#f8fbff 100%)}
a{color:inherit}
.blog-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}

/* NAV */
.blog-header{position:sticky;top:0;z-index:10;background:rgba(248,251,255,.82);border-bottom:1px solid rgba(15,23,42,.07);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.blog-nav{width:min(calc(100% - 32px),var(--max));min-height:68px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.blog-brand{font-weight:850;font-size:2rem;text-decoration:none}.blog-brand span{color:var(--blue)}
.blog-nav-links{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.blog-nav-link{font-size:.94rem;color:var(--muted);text-decoration:none;font-weight:650}.blog-nav-link:hover{color:var(--blue-deep)}
.blog-nav-cta{padding:10px 14px;border-radius:999px;background:var(--blue-deep);color:#fff!important;font-weight:700;text-decoration:none;font-size:.94rem}
.blog-mobile-toggle{display:inline-flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;width:48px;height:48px;border-radius:999px;border:1px solid rgba(15,23,42,.09);background:rgba(255,255,255,.82);color:var(--text);box-shadow:var(--shadow-soft);cursor:pointer}
.blog-mobile-toggle span,.blog-mobile-toggle::before,.blog-mobile-toggle::after{content:"";display:block;width:18px;height:2px;border-radius:999px;background:currentColor;transition:transform .2s ease,opacity .2s ease}
.blog-mobile-toggle[aria-expanded="true"] span{opacity:0}
.blog-mobile-toggle[aria-expanded="true"]::before{transform:translateY(6px) rotate(45deg)}
.blog-mobile-toggle[aria-expanded="true"]::after{transform:translateY(-6px) rotate(-45deg)}
.blog-mobile-panel{display:none;width:min(calc(100% - 32px),var(--max));margin:0 auto 14px;padding:14px;border-radius:22px;border:1px solid rgba(15,23,42,.08);background:rgba(255,255,255,.94);box-shadow:0 20px 50px rgba(15,23,42,.12)}
.blog-mobile-panel.open{display:block}
.blog-mobile-links{display:grid;gap:8px}
.blog-mobile-link{display:flex;align-items:center;min-height:48px;padding:10px 12px;border-radius:16px;color:#244461;text-decoration:none;font-weight:750;background:rgba(239,246,255,.58)}

/* COMMUNS */
.blog-kicker{display:inline-flex;margin:0 0 12px;padding:7px 11px;border-radius:999px;background:rgba(14,165,233,.1);color:var(--blue-deep);font-size:.76rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}
.blog-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease}
.blog-btn:hover{transform:translateY(-1px)}
.blog-btn-primary{color:#fff!important;text-decoration:none!important;background:linear-gradient(135deg,var(--blue-deep),var(--blue));box-shadow:0 14px 30px rgba(14,165,233,.24)}
.blog-btn-secondary{color:var(--text);background:rgba(255,255,255,.84);border-color:var(--line)}
.blog-category-tag{display:inline-flex;padding:6px 11px;border-radius:999px;background:rgba(14,165,233,.1);color:var(--blue-deep);font-size:.78rem;font-weight:800;letter-spacing:.04em;text-decoration:none}

/* PAGE LISTE */
.blog-hero{padding:48px 0 32px}
.blog-hero h1{margin:0;font-size:clamp(2.1rem,7vw,3.8rem);line-height:1.02;letter-spacing:-.045em;max-width:18ch}
.blog-hero p{max-width:640px;margin:16px 0 0;color:var(--muted);font-size:1.06rem;line-height:1.75}
.blog-grid-section{padding:0 0 72px}
.blog-grid{display:grid;gap:20px;grid-template-columns:1fr}
.blog-card{background:var(--surface-soft);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease;text-decoration:none}
.blog-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.blog-card-img{width:100%;height:auto;display:block}
.blog-card-img-placeholder{width:100%;height:160px;background:linear-gradient(135deg,rgba(14,165,233,.12),rgba(15,92,219,.07));display:block}
.blog-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.blog-card-title{margin:0;font-size:1.15rem;line-height:1.32;letter-spacing:-.03em;color:var(--text)}
.blog-card-excerpt{margin:0;color:var(--muted);font-size:.96rem;line-height:1.65;flex:1}
.blog-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.84rem;color:var(--muted)}
.blog-card-meta time{font-weight:700;color:#40566f}
.blog-card-meta-sep{opacity:.4}
.blog-card-link{margin-top:2px;font-size:.9rem;font-weight:800;color:var(--blue-deep);display:inline-flex;align-items:center;gap:6px}
.blog-empty{padding:48px 22px;border-radius:var(--radius);background:var(--surface-soft);border:1px solid var(--line);text-align:center;color:var(--muted);font-size:1rem;line-height:1.7}

/* PAGE ARTICLE */
.blog-breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:20px 0 0;font-size:.88rem;color:var(--muted)}
.blog-breadcrumb a{color:var(--muted);text-decoration:none}.blog-breadcrumb a:hover{color:var(--blue-deep)}
.blog-breadcrumb-sep{opacity:.4}
.blog-article-hero{padding:16px 0 24px}
.blog-article-hero .blog-category-tag{margin-bottom:14px;display:inline-flex}
.blog-article-title{margin:0 0 18px;font-size:clamp(2rem,7vw,3.4rem);line-height:1.04;letter-spacing:-.05em;max-width:820px}
.blog-article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.blog-article-meta time{font-weight:700;color:#40566f}
.blog-article-meta-sep{opacity:.35}
.blog-article-img{width:100%;height:auto;display:block;border-radius:var(--radius);margin:24px 0}

/* TYPOGRAPHIE ARTICLE */
.blog-content{font-size:1.06rem;line-height:1.82;color:#1e293b}
.blog-content h2{margin:2.2em 0 .65em;font-size:clamp(1.45rem,4vw,1.85rem);line-height:1.15;letter-spacing:-.04em;color:var(--text)}
.blog-content h3{margin:1.8em 0 .5em;font-size:1.2rem;line-height:1.25;letter-spacing:-.03em;color:var(--text)}
.blog-content p{margin:0 0 1.3em}
.blog-content ul,.blog-content ol{margin:0 0 1.3em;padding-left:1.5em}
.blog-content li{margin-bottom:.45em;line-height:1.72}
.blog-content a{color:var(--blue-deep);text-decoration:underline}
.blog-content a:hover{text-decoration:none}
.blog-content blockquote{margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--blue);background:rgba(14,165,233,.06);border-radius:0 16px 16px 0;font-style:italic;color:#334155;line-height:1.7}
.blog-content strong{font-weight:800}
.blog-content img{max-width:100%;border-radius:16px;margin:1em 0;display:block}
.blog-content code{background:rgba(15,23,42,.07);border-radius:6px;padding:2px 6px;font-size:.9em;font-family:ui-monospace,monospace}
.blog-content pre{background:rgba(15,23,42,.05);border-radius:14px;padding:16px;overflow-x:auto;font-size:.9em}

/* CTA MILIEU ARTICLE */
.blog-cta-inline{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:2em 0;padding:20px 22px;border-radius:18px;background:linear-gradient(135deg,rgba(14,165,233,.08),rgba(15,92,219,.05));border:1px solid rgba(14,165,233,.18)}
.blog-cta-inline-text{display:flex;flex-direction:column;gap:5px;flex:1;min-width:200px}
.blog-cta-inline-text strong{font-size:1rem;color:var(--text)}
.blog-cta-inline-text span{font-size:.88rem;color:var(--muted);line-height:1.5}
.blog-btn-sm{min-height:40px;padding:0 16px;font-size:.88rem;white-space:nowrap}

/* BLOC CTA FIN ARTICLE */
.blog-cta-block{padding:34px 30px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(14,165,233,.1),rgba(15,92,219,.07));border:1px solid rgba(14,165,233,.22);margin:44px 0 0;text-align:center}
.blog-cta-kicker{display:inline-flex;margin:0 0 12px;padding:6px 12px;border-radius:999px;background:rgba(14,165,233,.15);color:var(--blue-deep);font-size:.75rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}
.blog-cta-block h2{font-size:clamp(1.45rem,4vw,1.9rem);letter-spacing:-.04em;margin:0 0 14px;line-height:1.15}
.blog-cta-block p{color:var(--muted);margin:0 0 24px;line-height:1.75;max-width:520px;margin-left:auto;margin-right:auto}
.blog-cta-actions{display:flex;flex-direction:column;align-items:center;gap:12px}
.blog-cta-proof{font-size:.84rem;color:var(--muted);font-weight:600}
.blog-back-link{display:inline-flex;align-items:center;gap:8px;font-size:.92rem;font-weight:800;color:var(--muted);text-decoration:none;padding:12px 0 36px}
.blog-back-link:hover{color:var(--blue-deep)}

/* STICKY MOBILE */
.blog-sticky{display:none;position:fixed;bottom:0;left:0;right:0;z-index:20;padding:12px 16px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 -8px 24px rgba(15,23,42,.1)}
.blog-sticky a{display:flex;align-items:center;justify-content:center;gap:10px;min-height:50px;border-radius:999px;background:linear-gradient(135deg,var(--blue-deep),var(--blue));color:#fff;font-weight:800;font-size:.98rem;text-decoration:none;box-shadow:0 8px 24px rgba(14,165,233,.3)}
.blog-sticky-close{position:absolute;top:50%;right:20px;transform:translateY(-50%);width:32px;height:32px;border-radius:999px;border:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--muted);cursor:pointer;line-height:1}

/* FOOTER */
.blog-footer{border-top:1px solid rgba(15,23,42,.08);padding:24px 0 36px}
.blog-footer-inner{display:grid;gap:14px;color:var(--muted);font-size:.92rem}
.blog-footer p{margin:0}
.blog-footer-links{display:flex;flex-wrap:wrap;gap:12px 16px}
.blog-footer-links a{text-decoration:none;color:var(--muted);font-weight:650}.blog-footer-links a:hover{color:var(--blue-deep)}

/* RESPONSIVE */
@media(min-width:720px){
  .blog-mobile-toggle,.blog-mobile-panel{display:none!important}
  .blog-sticky{display:none!important}
  .blog-cta-actions{flex-direction:row;justify-content:center}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .blog-footer-inner{grid-template-columns:1fr auto;align-items:center}
}
@media(min-width:1000px){
  .blog-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:719px){
  .blog-nav-link{display:none}
  .blog-nav{min-height:66px}
  .blog-nav-links{gap:8px;flex-wrap:nowrap}
  .blog-nav-cta{padding:9px 12px;font-size:.88rem}
  .blog-hero{padding-top:28px}
  .blog-card-img-placeholder{height:140px}
  .blog-cta-block{padding:22px 18px}
}
@media(max-width:430px){
  .blog-shell,.blog-nav,.blog-mobile-panel{width:min(calc(100% - 24px),var(--max))}
}