.ar1 {
  --ar1-col: min(100% - 40px, var(--ar1-width, 720px));
  --ar1-wcol: min(100% - 40px, var(--ar1-wide, 1120px));
  background: var(--ar1-bg); color: var(--ar1-text-color); padding: var(--ar1-pad, 56px 0 0);
}

/* En-tête */
.ar1-head { width: var(--ar1-wcol); margin-inline: auto; display: flex; flex-direction: column; align-items: flex-start; }
.ar1-head-center .ar1-head { align-items: center; text-align: center; }
.ar1-head-right .ar1-head { align-items: flex-end; text-align: right; }
.ar1-back {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: clamp(28px, 4vw, 48px);
  font-size: 14px; font-weight: 600; text-decoration: none; color: var(--ar1-muted); transition: color .2s, gap .2s;
}
.ar1-back:hover { color: var(--ar1-title-color); gap: 12px; }
.ar1-cat {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
  font-family: var(--fx-font-accent); font-size: 12.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ar1-accent);
}
.ar1-cat::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.ar1-title {
  max-width: 20ch; font-family: var(--ar1-title-font); font-weight: var(--ar1-title-weight);
  font-size: clamp(34px, 6vw, var(--ar1-title-size, 64px)); line-height: 1.02; letter-spacing: var(--ar1-title-tracking, -.025em);
  color: var(--ar1-title-color); overflow-wrap: anywhere; hyphens: auto;
}
.fx-body .ar1-title { line-height: 1.02; }
.ar1-lead {
  margin-top: 26px; max-width: 46ch;
  font-family: var(--ar1-body-font); font-size: clamp(19px, 2.2vw, var(--ar1-lead-size, 23px)); line-height: 1.5; color: var(--ar1-muted);
}
.ar1-byline {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; margin-top: 30px; padding-top: 22px; width: 100%;
  border-top: 1px solid var(--ar1-border); font-size: 14px; color: var(--ar1-muted);
}
.ar1-head-center .ar1-byline { justify-content: center; }
.ar1-head-right .ar1-byline { justify-content: flex-end; }
.ar1-avatar {
  display: grid; place-items: center; width: 40px; height: 40px; margin-right: -10px; border-radius: 50%;
  background: var(--ar1-accent); color: var(--ar1-bg); font-family: var(--ar1-title-font); font-weight: 700; font-size: 17px;
}
.ar1-author strong { color: var(--ar1-title-color); font-weight: 600; }
.ar1-time { display: inline-flex; align-items: center; gap: 6px; }
.ar1-byline > * + *:not(.ar1-author)::before { content: ""; display: inline-block; width: 4px; height: 4px; margin-right: 22px; border-radius: 50%; background: currentColor; opacity: .4; vertical-align: middle; }
.ar1-byline .ar1-time::before { margin-right: 16px; }

/* Image */
.ar1-figure { margin: clamp(36px, 5vw, 56px) auto 0; width: var(--ar1-wcol); }
.ar1-img-content .ar1-figure { width: var(--ar1-col); }
.ar1-img-full .ar1-figure { width: 100%; }
.ar1-figure img { width: 100%; aspect-ratio: var(--ar1-ratio, 16 / 9); object-fit: cover; border-radius: var(--ar1-radius, 14px); background: var(--ar1-surface); }
.ar1-img-full .ar1-figure img { border-radius: 0; max-height: 78vh; }

/* Corps : colonne de lecture centrée, partage en marge gauche sur écran large */
.ar1-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) var(--ar1-col) minmax(0, 1fr);
  margin-top: clamp(40px, 5vw, 64px);
}
.ar1-content { grid-column: 2; grid-row: 1; min-width: 0; font-family: var(--ar1-body-font); font-size: var(--ar1-body-size, 19px); line-height: var(--ar1-lh, 1.75); color: var(--ar1-text-color); }
.ar1-content p + p { margin-top: 1.15em; }
.ar1-dropcap .ar1-content > p:first-child { display: flow-root; }
.ar1-dropcap .ar1-content > p:first-child::first-letter {
  float: left; margin: .06em .12em 0 0; font-family: var(--ar1-title-font); font-weight: var(--ar1-title-weight);
  font-size: 4.1em; line-height: .82; color: var(--ar1-accent);
}
.ar1-content a { color: var(--fx-color-link, var(--ar1-accent)); text-underline-offset: 3px; }

.ar1-share { grid-column: 1; grid-row: 1; justify-self: end; align-self: start; position: sticky; top: 120px; margin-right: 56px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.ar1-share-title { font-family: var(--fx-font-accent); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--ar1-muted); writing-mode: vertical-rl; transform: rotate(180deg); margin-bottom: 6px; }
.ar1-share-list { display: flex; flex-direction: column; gap: 8px; }
.ar1-share-link {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--ar1-border); color: var(--ar1-title-color); background: transparent; text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
}
.ar1-share-link:hover { background: var(--ar1-title-color); color: var(--ar1-bg); border-color: var(--ar1-title-color); }
.ar1-copy {
  margin-top: 4px; padding: 8px 10px; border: 1px solid var(--ar1-border); border-radius: 999px; background: transparent; cursor: pointer;
  font-size: 11px; font-weight: 600; line-height: 1.15; width: 60px; color: var(--ar1-muted); transition: color .2s, border-color .2s;
}
.ar1-copy:hover { color: var(--ar1-title-color); border-color: var(--ar1-title-color); }
.ar1-copy.is-done { color: var(--ar1-accent); border-color: var(--ar1-accent); }

.ar1-end { width: var(--ar1-col); margin: clamp(40px, 5vw, 64px) auto 0; padding-top: 24px; border-top: 1px solid var(--ar1-border); }
.ar1-end-link {
  display: inline-flex; align-items: center; gap: 10px; padding-bottom: 4px;
  font-weight: 600; text-decoration: none; color: var(--ar1-title-color); border-bottom: 2px solid var(--ar1-accent); transition: gap .2s;
}
.ar1-end-link:hover { gap: 16px; }

/* Articles liés */
.ar1-related { margin-top: clamp(64px, 8vw, 104px); padding: clamp(48px, 6vw, 80px) 0; background: var(--ar1-surface); }
.ar1-related-inner { width: var(--ar1-wcol); margin-inline: auto; }
.ar1-related-title {
  display: flex; align-items: center; gap: 18px; margin-bottom: 32px;
  font-family: var(--ar1-title-font); font-weight: var(--ar1-title-weight); font-size: clamp(26px, 3vw, 36px); line-height: 1.05; color: var(--ar1-title-color);
}
.ar1-related-title::after { content: ""; flex: 1; height: 2px; background: var(--ar1-title-color); opacity: .14; }
.ar1-related-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; list-style: none; padding: 0; }
.ar1-rel { min-width: 0; }
.ar1-rel-link { display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: inherit; }
.ar1-rel-media { aspect-ratio: 3 / 2; border-radius: var(--ar1-radius, 14px); overflow: hidden; background: var(--ar1-bg); margin-bottom: 6px; }
.ar1-rel-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
a.ar1-rel-link:hover .ar1-rel-media img { transform: scale(1.05); }
.ar1-ph { display: block; width: 100%; height: 100%; background: linear-gradient(135deg, var(--ar1-bg), color-mix(in srgb, var(--ar1-accent) 30%, var(--ar1-bg))); }
.ar1-rel-cat { font-family: var(--fx-font-accent); font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ar1-accent); }
.ar1-rel-title { font-family: var(--ar1-title-font); font-weight: var(--ar1-title-weight); font-size: 20px; line-height: 1.22; color: var(--ar1-title-color); }
a.ar1-rel-link:hover .ar1-rel-title { color: var(--ar1-accent); }
.ar1-rel-date { font-size: 13px; color: var(--ar1-muted); }

@media (max-width: 1180px) {
  /* Plus de marge latérale : le partage passe en barre horizontale sous le texte. */
  .ar1-layout { grid-template-columns: var(--ar1-col); justify-content: center; }
  .ar1-content { grid-column: 1; grid-row: 1; }
  .ar1-share { grid-column: 1; grid-row: 2; position: static; justify-self: start; margin: 40px 0 0; flex-direction: row; flex-wrap: wrap; }
  .ar1-share-title { writing-mode: horizontal-tb; transform: none; margin: 0 6px 0 0; }
  .ar1-share-list { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .ar1-copy { margin: 0; width: auto; padding: 12px 16px; }
}
@media (max-width: 980px) {
  .ar1-related-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ar1-related-list > :nth-child(3) { display: none; }
}
@media (max-width: 620px) {
  .ar1 { padding-top: 32px; }
  .ar1-title { font-size: clamp(30px, 9vw, 42px); }
  .ar1-lead { font-size: 18px; margin-top: 18px; }
  .ar1-byline { gap: 8px 16px; }
  .ar1-byline > *::before { display: none !important; }
  .ar1-content { font-size: min(var(--ar1-body-size, 19px), 17.5px); }
  .ar1-img-wide .ar1-figure, .ar1-img-content .ar1-figure { width: 100%; }
  .ar1-figure img { border-radius: 0; aspect-ratio: 4 / 3; }
  .ar1-related-list { grid-template-columns: 1fr; gap: 28px; }
  .ar1-related-list > :nth-child(3) { display: block; }
  .ar1-rel-link { display: grid; grid-template-columns: 112px 1fr; grid-template-rows: auto auto 1fr; column-gap: 16px; row-gap: 6px; }
  .ar1-rel-media { grid-row: 1 / span 3; margin: 0; aspect-ratio: 1; }
  .ar1-rel-title { font-size: 17px; }
}