/* Blog SIGMA [•] OPEX — charte graphique */
:root{
  --nuit:#1D2D3D;
  --orange:#ED6E12;
  --acier:#416180;
  --clair:#F2F2F3;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--clair);color:var(--nuit);
  font-family:'Barlow',sans-serif;font-weight:400;font-size:18px;line-height:1.65;
}
h1,h2,h3{font-family:'Barlow Condensed',sans-serif;font-weight:700;line-height:1.15;margin:0 0 .5em;color:var(--nuit)}
h1{font-size:clamp(2rem,5vw,3rem)}
h2{font-size:1.9rem;margin-top:2em}
h3{font-size:1.4rem;font-weight:600;margin-top:1.6em}
a{color:var(--acier);text-underline-offset:3px}
a:hover{color:var(--nuit)}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}

/* En-tête avec logo */
.site-header{background:var(--clair);border-bottom:1px solid #d9dbdf}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.site-header nav{display:flex;gap:22px;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:1.1rem;letter-spacing:.06em;text-transform:uppercase}
.site-header nav a{text-decoration:none;color:var(--nuit)}
.site-header nav a:hover,.site-header nav a[aria-current]{color:var(--acier)}
.logo-link{text-decoration:none;display:inline-block}

/* Contenu */
main{padding:48px 0 64px}
.eyebrow{font-family:'Barlow Condensed',sans-serif;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--acier);font-size:.9rem}
.lead{color:var(--acier);font-size:1.15rem;max-width:640px}

/* Cartes d'articles */
.cards{display:grid;gap:20px;margin-top:32px}
.card{background:#fff;border:1px solid #d9dbdf;border-left:5px solid var(--nuit);padding:22px 24px;border-radius:2px}
.card .meta{font-size:.85rem;color:var(--acier);font-family:'Barlow Condensed',sans-serif;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.card h2{font-size:1.6rem;margin:.2em 0 .3em}
.card h2 a{color:var(--nuit);text-decoration:none}
.card h2 a:hover{color:var(--acier)}
.card p{margin:0;font-size:1rem}
.card .more{display:inline-block;margin-top:10px;font-weight:500;font-size:.95rem}

/* Article */
.article-head{margin-bottom:28px}
.article-head .meta{color:var(--acier);font-size:.95rem}
article p,article li{max-width:70ch}
article blockquote{margin:1.6em 0;padding:4px 0 4px 20px;border-left:4px solid var(--orange);color:var(--acier)}
article table{border-collapse:collapse;width:100%;font-size:1rem;margin:1.4em 0}
article th{background:var(--nuit);color:var(--clair);text-align:left;padding:8px 12px;font-family:'Barlow Condensed',sans-serif;letter-spacing:.06em}
article td{border-bottom:1px solid #d9dbdf;padding:8px 12px;vertical-align:top}
article ol{padding-left:1.3em}
article ol li{margin-bottom:.6em}
.table-wrap{overflow-x:auto;margin:1.4em 0}
.table-wrap table{margin:0;min-width:640px}
.fiche{background:#fff;border:1px solid #d9dbdf;border-left:5px solid var(--acier);padding:20px 24px;margin:1.4em 0}
.fiche dl{margin:0}
.fiche dt{font-family:'Barlow Condensed',sans-serif;font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:.9rem;color:var(--acier);margin-top:.9em}
.fiche dt:first-child{margin-top:0}
.fiche dd{margin:0;font-size:1rem}
.sources{font-size:.9rem;margin-top:2em;padding-top:1em;border-top:1px solid #d9dbdf}
.sources ol{margin:.4em 0 0}
.sources li{margin-bottom:.2em}

/* Encadrés */
.cta,.newsletter{background:var(--nuit);color:var(--clair);padding:28px 30px;margin-top:48px;border-radius:2px}
.cta h2,.cta h3,.newsletter h2,.newsletter h3{color:var(--clair);margin-top:0}
.cta p,.newsletter p{margin:.3em 0 1em}
.btn{display:inline-block;background:var(--clair);color:var(--nuit);font-family:'Barlow Condensed',sans-serif;font-weight:700;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;padding:11px 22px;border:0;border-radius:2px;cursor:pointer;font-size:1rem}
.btn:hover{background:#fff;color:var(--nuit)}
.newsletter form{display:flex;gap:10px;flex-wrap:wrap}
.newsletter input[type=email]{flex:1 1 240px;padding:11px 14px;font:inherit;border:0;border-radius:2px}
.newsletter small{display:block;margin-top:10px;color:#c9ced4;font-size:.8rem;line-height:1.4}

/* Pied de page (fond foncé : logo en #F2F2F3, point orange) */
.site-footer{background:var(--nuit);color:var(--clair);padding:36px 0;font-size:.95rem}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.site-footer a{color:var(--clair)}
.site-footer p{margin:0}

@media (max-width:600px){body{font-size:17px}}

/* Maillage interne : offre liée et articles liés */
.cta .btn{margin:0 10px 10px 0}
.btn-ghost{background:transparent;color:var(--clair);box-shadow:inset 0 0 0 2px var(--clair)}
.btn-ghost:hover{background:var(--clair);color:var(--nuit)}
.cta-offre{color:var(--clair)}
.cta-offre strong{color:var(--orange)}
.lire-aussi{margin-top:48px;border-top:2px solid var(--nuit);padding-top:20px}
.lire-aussi ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.lire-aussi li a{display:block;background:#fff;border:1px solid #d9dbdf;border-left:5px solid var(--orange);padding:14px 18px;text-decoration:none;color:var(--nuit);font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:1.2rem;line-height:1.2}
.lire-aussi li a:hover{color:var(--acier)}

/* Page ressource gratuite (résumé 8D) */
.lm-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);grid-template-areas:'text cover' 'text form';gap:28px 48px;align-items:start;padding:48px 0 24px}
.lm-text{grid-area:text}.lm-cover{grid-area:cover;max-width:280px;justify-self:center}.lm-form{grid-area:form}
@media (max-width:820px){.lm-hero{grid-template-columns:1fr;grid-template-areas:'cover' 'text' 'form';gap:24px}.lm-cover{max-width:240px}}
.lm-hero h1{font-size:clamp(2.4rem,6vw,3.6rem);margin:.1em 0 .3em}
.lm-list{list-style:none;padding:0;margin:20px 0 0}
.lm-list li{padding:8px 0 8px 22px;position:relative;border-bottom:1px solid #d9dbdf}
.lm-list li::before{content:"";position:absolute;left:0;top:16px;width:9px;height:9px;background:var(--orange)}
.lm-form{background:#fff;border:1px solid #d9dbdf;border-top:5px solid var(--orange);padding:22px 24px;display:grid;gap:12px}
.lm-form label{display:grid;gap:4px;font-weight:500;font-size:.95rem}
.lm-form input{font:inherit;padding:11px 12px;border:1px solid #c5cbd2;border-radius:2px;background:#fff;color:var(--nuit)}
.lm-form input:focus{outline:2px solid var(--orange);outline-offset:1px}
.lm-form small{color:var(--acier);font-size:.82rem;line-height:1.45}
.lm-btn{background:var(--orange);color:#fff}
.lm-btn:hover{background:var(--nuit);color:#fff}
.lm-cover{margin:0}
.lm-cover img{width:100%;height:auto;box-shadow:0 18px 40px rgba(29,45,61,.25);display:block}
.lm-book{margin:32px 0 16px;border-top:2px solid var(--nuit);padding-top:20px;max-width:760px}
.lm-next{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.lead-magnet{margin-top:40px;background:#fff;border:1px solid #d9dbdf;border-left:5px solid var(--orange);padding:20px 24px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.lead-magnet div{flex:1;min-width:220px}
.lead-magnet h2{font-size:1.5rem;margin:0 0 .2em}
.lead-magnet p{margin:0;color:var(--acier)}
.lead-magnet .btn{background:var(--orange);color:#fff}