/* Lecture d'article (/blog/<slug>) : barre de progression, sommaire interactif H2/H3, bannière d'outil contextuel & partage */

/* 1. Barre de progression de lecture (fixe tout en haut, zéro impact layout) */
.art-progress{position:fixed;top:0;left:0;right:0;height:3.5px;z-index:120;background:rgba(11,92,255,.1);pointer-events:none}
.art-progress-bar{display:block;width:100%;height:100%;background:linear-gradient(90deg,var(--accent,#0b5cff),#38bdf8);transform-origin:left center;transform:scaleX(var(--art-p,0));transition:transform .08s linear;will-change:transform}

/* Ancres des titres H2/H3 sous la barre de navigation sticky */
.article-body h2[id],.article-body h3[id]{scroll-margin-top:6rem}

/* 2. Sommaire interactif hiérarchique (H2 + H3) */
.toc{margin:0 0 2.2rem;padding:1.25rem 1.45rem;border-radius:1.5rem;background:var(--surface);border:1px solid var(--line);box-shadow:0 14px 34px -26px rgba(15,23,42,.35)}
.toc-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}
.toc-h{margin:0;display:inline-flex;align-items:center;gap:.55rem;font:700 1.05rem "Bricolage Grotesque",sans-serif;letter-spacing:-.015em;color:var(--ink)}
.toc-ic{color:var(--accent);flex:none}
.toc-tools{display:inline-flex;align-items:center;gap:.5rem}
.toc-pct{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:980px;background:var(--soft);color:var(--accent);font-size:.78rem;font-weight:700;font-variant-numeric:tabular-nums}
.toc-pct[hidden]{display:none}
.toc-toggle{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .72rem;border-radius:980px;border:1px solid var(--line);background:var(--bg);color:var(--muted);font:600 .82rem inherit;cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.toc-toggle:hover,.toc-toggle:focus-visible{border-color:var(--accent);color:var(--accent)}
.toc-toggle svg{transition:transform .25s ease}
.toc.is-collapsed .toc-toggle svg{transform:rotate(-90deg)}
.toc.is-collapsed .toc-list{display:none}

.toc-list{margin:.95rem 0 0;padding:.85rem 0 0;list-style:none;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:.25rem}
.toc-item{margin:0}
.toc-link{display:flex;align-items:baseline;gap:.65rem;padding:.42rem .65rem;border-radius:.75rem;color:var(--ink);font-size:.96rem;font-weight:600;line-height:1.38;text-decoration:none;transition:background .2s,color .2s,transform .2s}
.toc-num{flex:none;font-size:.76rem;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;min-width:1.45rem}
.toc-link:hover,.toc-link:focus-visible{background:var(--soft);color:var(--accent);text-decoration:none}
.toc-link:hover .toc-num,.toc-link:focus-visible .toc-num{color:var(--accent)}
.toc-link.is-active{background:var(--soft);color:var(--accent)}
.toc-link.is-active .toc-num{color:var(--accent)}
.toc-link.is-parent-active{color:var(--accent)}
.toc-link.is-parent-active .toc-num{color:var(--accent)}

.toc-sub{margin:.15rem 0 .35rem 1.25rem;padding:0 0 0 .85rem;list-style:none;border-left:2px solid var(--line);display:flex;flex-direction:column;gap:.12rem}
.toc-sub-item{margin:0}
.toc-sub-link{padding:.3rem .6rem;font-size:.89rem;font-weight:500;color:var(--muted)}
.toc-sub-link.is-active{background:var(--soft);color:var(--accent);font-weight:600}

/* 3. Bannière contextuelle de maillage interne (simulateur / audit gratuit) */
.art-tool-banner{margin:2.6rem 0 0;padding:1.75rem 1.9rem;border-radius:1.85rem;background:linear-gradient(135deg,#0b162c 0%,#102552 62%,#0b5cff 165%);color:#fff;border:1px solid rgba(96,165,250,.28);box-shadow:0 24px 48px -28px rgba(11,92,255,.55);position:relative;overflow:hidden}
.art-tool-banner::after{content:"";position:absolute;right:-3rem;top:-3rem;width:13rem;height:13rem;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.24),transparent 70%);pointer-events:none}
.art-bnr-in{position:relative;z-index:1;display:grid;grid-template-columns:auto 1fr;gap:1.15rem 1.35rem;align-items:center}
.art-bnr-ic{width:3.25rem;height:3.25rem;border-radius:1rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#7dd3fc;flex:none}
.art-bnr-ic svg{width:1.55rem;height:1.55rem}
.art-bnr-kicker{margin:0 0 .35rem;font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7dd3fc}
.art-bnr-copy h2{margin:0 0 .45rem;font-size:clamp(1.25rem,2.4vw,1.55rem);line-height:1.2;color:#fff}
.art-bnr-copy p{margin:0;font-size:.97rem;line-height:1.55;color:rgba(241,245,249,.86);max-width:60ch}
.art-bnr-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:.65rem;margin-top:.25rem}
.art-bnr-actions .btn{background:#fff;color:#0b162c;border-color:#fff}
.art-bnr-actions .btn:hover,.art-bnr-actions .btn:focus-visible{background:#e0f2fe;border-color:#e0f2fe;color:#0b162c}
.art-bnr-actions .btn.alt{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.art-bnr-actions .btn.alt:hover,.art-bnr-actions .btn.alt:focus-visible{background:rgba(255,255,255,.18);border-color:#fff;color:#fff}

/* 4. Partage d'un article (préfixe sh-) */
.sh{margin:2.2rem 0 0;padding:1.4rem 1.6rem;border-radius:1.6rem;background:var(--surface);border:1px solid var(--line)}
.sh-h{margin:0 0 .9rem;font:700 1.1rem "Bricolage Grotesque",sans-serif;letter-spacing:-.02em}
.sh-list{display:flex;flex-wrap:wrap;gap:.55rem;margin:0;padding:0;list-style:none}
.sh-b{--c:var(--accent);position:relative;display:inline-flex;align-items:center;gap:.55rem;min-height:44px;padding:.45rem 1.05rem;border-radius:980px;overflow:hidden;isolation:isolate;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-family:inherit;font-weight:600;font-size:.93rem;text-decoration:none;cursor:pointer;transition:transform .3s cubic-bezier(.2,.7,.2,1),color .25s,border-color .25s,box-shadow .3s}
.sh-b::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--c);transform:translateY(100%);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.sh-b svg{flex:none}
.sh-b:hover,.sh-b:focus-visible{transform:translateY(-2px);border-color:transparent;color:#fff;box-shadow:0 12px 22px -12px var(--c)}
.sh-b:hover::before,.sh-b:focus-visible::before{transform:translateY(0)}
.sh-facebook{--c:#1877F2}.sh-linkedin{--c:#0A66C2}.sh-x{--c:#000}.sh-whatsapp{--c:#1FA855}.sh-mail{--c:#475467}
.sh-copy.is-done{border-color:var(--ok);color:var(--ok)}
.sh-b[hidden]{display:none}
.sh-st{min-height:1.4em;margin:.7rem 0 0;max-width:none;font-size:.9rem;font-weight:500;color:var(--ok)}

@media (max-width:640px){
  .toc{padding:1.05rem 1.15rem}
  .art-tool-banner{padding:1.35rem 1.25rem}
  .art-bnr-in{grid-template-columns:1fr;gap:.85rem}
  .art-bnr-actions .btn{width:100%;justify-content:center}
}
@media (max-width:560px){.sh{padding:1.1rem}.sh-list{display:grid;grid-template-columns:1fr 1fr}.sh-b{justify-content:center}}
@media (prefers-reduced-motion:reduce){.sh-b,.sh-b::before,.art-progress-bar,.toc-link,.toc-toggle svg{transition:none}.sh-b:hover{transform:none}}