/* ══════════════════════════════════════════════════════════════
   Blog Click Fusion — design éditorial sur-mesure, thème clair
   Drapeau France · DM Serif + IBM Plex Sans · ZÉRO monospace
   ══════════════════════════════════════════════════════════════ */
:root{
  --bleu:#0055A4; --bleu-d:#044A94; --rouge:#EF4135; --rouge-d:#C4362C;
  --ink:#0A1128; --muted:#566274; --faint:#8496AE;
  --bg:#FFFFFF; --surface:#F4F7FB; --surface-2:#EEF3FA;
  --border:rgba(10,17,40,0.10); --border-s:rgba(10,17,40,0.16);
  --shadow:0 14px 40px rgba(10,17,40,.08);
  --shadow-s:0 6px 20px rgba(10,17,40,.06);
  --maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
img{max-width:100%;height:auto}

/* ---- En-tête ---- */
header{border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(14px);z-index:20}
header::after{content:"";display:block;height:3px;background:linear-gradient(to right,var(--bleu) 0 40%,#E4E8F1 40% 60%,var(--rouge) 60% 100%)}
.hdr{display:flex;align-items:center;justify-content:space-between;height:62px;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.logo{font-family:'IBM Plex Sans',sans-serif;font-weight:700;letter-spacing:.2px;font-size:19px;color:var(--ink);text-decoration:none}
.logo span{color:var(--rouge)}
.back{font-size:13.5px;color:var(--bleu);text-decoration:none;font-weight:600}
.back:hover{text-decoration:underline}
main{padding:40px 0 72px}

/* ---- Typo article ---- */
.eyebrow{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--bleu);background:var(--surface-2);border:1px solid var(--border);padding:5px 11px;border-radius:100px;margin-bottom:16px}
h1{font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:clamp(30px,6vw,46px);line-height:1.08;margin-bottom:14px;letter-spacing:-.5px}
.meta{font-size:13.5px;color:var(--muted);margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.lead{font-size:clamp(17px,2.4vw,19px);color:var(--ink);line-height:1.6;margin-bottom:24px}
.lead::first-letter{}
h2{font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:clamp(23px,4vw,28px);margin:42px 0 12px;color:var(--ink);line-height:1.2;letter-spacing:-.2px}
h3{font-family:'IBM Plex Sans',sans-serif;font-weight:600;font-size:17px;margin:26px 0 8px}
p,li{font-size:16px;color:var(--ink);margin-bottom:14px}
ul,ol{padding-left:22px;margin-bottom:16px}
li{margin-bottom:8px}
strong{font-weight:600}
em{font-style:italic}
a{color:var(--bleu)}

/* ---- Encadré « à retenir » ---- */
.key{background:linear-gradient(180deg,var(--surface) 0%,#fff 100%);border:1px solid var(--border);border-left:4px solid var(--bleu);border-radius:0 14px 14px 0;padding:20px 22px;margin:26px 0;box-shadow:var(--shadow-s)}
.key b{display:block;font-weight:700;margin-bottom:8px;color:var(--bleu);font-size:12px;letter-spacing:.6px;text-transform:uppercase}
.key p{margin:0;font-size:15.5px;line-height:1.6}

/* ---- Schéma / illustration ---- */
.video-h{font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:clamp(21px,3.6vw,26px);margin:38px 0 12px;color:var(--ink)}
.video-embed{position:relative;width:100%;padding-top:56.25%;border-radius:16px;overflow:hidden;margin:8px 0 6px;box-shadow:var(--shadow-s);background:#0A1128}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.fig{margin:28px 0;border:1px solid var(--border);border-radius:16px;padding:22px 20px;background:#fff;box-shadow:var(--shadow-s);overflow-x:auto}
.fig svg{display:block;width:100%;height:auto;min-width:440px;margin:0 auto}
.fig figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.5}

/* ---- Tableau ---- */
.ptable{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.tw{overflow-x:auto;margin:20px 0;border-radius:12px;border:1px solid var(--border)}
.tw .ptable{margin:0;border:none;min-width:460px}
.ptable th,.ptable td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top}
.ptable thead th{background:var(--surface-2);font-weight:700;color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
.ptable tbody tr:last-child td{border-bottom:none}
.ptable td:first-child{font-weight:600}
.ptable tbody tr:hover{background:var(--surface)}

/* ---- Fil d'Ariane ---- */
.crumb{font-size:13px;color:var(--muted);margin:0 0 20px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--bleu)}
.crumb span{color:var(--ink)}

/* ---- Citation ---- */
.pull{font-family:'DM Serif Display',Georgia,serif;font-size:23px;line-height:1.3;color:var(--bleu);border-left:4px solid var(--rouge);padding:6px 0 6px 20px;margin:28px 0}

/* ---- CTA ---- */
.cta{background:linear-gradient(135deg,var(--bleu) 0%,var(--bleu-d) 100%);color:#fff;border-radius:18px;padding:30px 26px;margin:40px 0 8px;text-align:center;box-shadow:0 20px 46px rgba(0,85,164,.28);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,#fff3 0 40%,transparent 40% 60%,var(--rouge) 60% 100%)}
.cta h2{color:#fff;margin:0 0 8px;font-size:clamp(21px,3.4vw,26px)}
.cta p{color:rgba(255,255,255,.92);font-size:15.5px;margin:0 0 18px}
.cta a{display:inline-block;background:#fff;color:var(--bleu);font-weight:700;text-decoration:none;padding:13px 24px;border-radius:10px;font-size:15px;box-shadow:0 6px 18px rgba(10,17,40,.18);transition:transform .15s ease}
.cta a:hover{transform:translateY(-2px)}

/* ---- Articles liés ---- */
.related{margin:44px 0 0;border-top:1px solid var(--border);padding-top:26px}
.related h2{font-size:21px;margin:0 0 14px}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.related li{margin:0}
.related a{display:block;color:var(--ink);text-decoration:none;font-weight:600;font-size:15.5px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;transition:border-color .15s ease,transform .15s ease}
.related a::after{content:" →";color:var(--bleu)}
.related a:hover{border-color:var(--bleu);transform:translateX(3px)}

/* ---- Encadré auteur ---- */
.author{display:flex;gap:15px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 22px;margin:36px 0 0}
.author img{width:54px;height:54px;border-radius:50%;flex:none;object-fit:cover;border:2px solid #fff;box-shadow:var(--shadow-s)}
.author .who{font-weight:700;font-size:15px;margin-bottom:3px}
.author .bio{font-size:13.5px;color:var(--muted);line-height:1.55;margin:0}

/* ══════ INDEX DU BLOG — hero + grille de cartes ══════ */
.bhero{text-align:center;padding:10px 0 38px;position:relative}
.bhero .eyebrow{margin-bottom:18px}
.bhero h1{font-size:clamp(34px,7vw,52px);margin-bottom:14px}
.bhero p{font-size:clamp(16px,2.4vw,18px);color:var(--muted);max-width:560px;margin:0 auto;line-height:1.6}

.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px 24px 22px;text-decoration:none;color:var(--ink);position:relative;overflow:hidden;box-shadow:var(--shadow-s);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.pcard::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,var(--bleu) 0 45%,#E4E8F1 45% 55%,var(--rouge) 55% 100%);opacity:.9}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--border-s)}
.pcard .tag{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--bleu);margin-bottom:10px}
.pcard h2{font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:23px;line-height:1.18;margin:0 0 10px;letter-spacing:-.2px;color:var(--ink)}
.pcard .excerpt{font-size:14.5px;color:var(--muted);line-height:1.55;margin:0 0 16px}
.pcard .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--faint)}
.pcard .read{color:var(--bleu);font-weight:700}
.pcard.feat{grid-column:1 / -1;flex-direction:row;gap:26px;align-items:center;background:linear-gradient(120deg,var(--surface) 0%,#fff 60%)}
.pcard.feat .fx{flex:1}
.pcard.feat h2{font-size:clamp(24px,3.6vw,32px)}
.pcard.feat .badge{flex:none;width:120px;height:120px;border-radius:20px;background:linear-gradient(135deg,var(--bleu),var(--bleu-d));color:#fff;display:flex;align-items:center;justify-content:center;font-family:'DM Serif Display',serif;font-size:46px;box-shadow:0 16px 34px rgba(0,85,164,.28)}

/* ---- Pied de page ---- */
footer{border-top:1px solid var(--border);padding:30px 0;font-size:13px;color:var(--muted);text-align:center;background:var(--surface)}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--ink)}

/* ══════ RESPONSIVE / MOBILE ══════ */
@media(max-width:640px){
  main{padding:28px 0 52px}
  .wrap{padding:0 18px}
  .hdr{padding:0 18px;height:56px}
  h1{font-size:clamp(27px,8vw,34px)}
  .lead{font-size:16.5px}
  .pgrid{grid-template-columns:1fr;gap:16px}
  .pcard{padding:22px 20px 20px}
  .pcard.feat{flex-direction:column;align-items:flex-start;gap:16px}
  .pcard.feat .badge{width:64px;height:64px;font-size:28px;border-radius:16px}
  .cta{padding:26px 20px}
  .author{flex-direction:column;gap:12px}
}