/* ADR 029 — RSE : un visuel, une intention, une page pour les preuves. */
#engagements { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); min-height: max(100svh,44rem); padding: 0; gap: 0; align-items: stretch; background: #e9e3d9; color: #24221f; }
#engagements .rse-visual { position: relative; min-width: 0; overflow: hidden; background: #74614d; }
.rse-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#engagements .rse-intro { display: flex; flex-direction: column; justify-content: center; max-width: none; padding: 8rem clamp(1.5rem,4.8vw,6rem) 4rem; }
#engagements .chapter__kicker { margin: 0 0 2.5rem; color: #6b6258; font: 400 .875rem/1.5 var(--font-sans-stack); letter-spacing: .015em; text-transform: none; }
#engagements h2 { max-width: none; margin: 0; font: 400 clamp(2.5rem,4.4vw,5rem)/1.06 var(--font-sans-stack); letter-spacing: -.04em; }
#engagements .rse-lede { max-width: 27rem; margin: 1.75rem 0 0; color: #625c54; font: 400 clamp(1rem,1.15vw,1.125rem)/1.7 var(--font-sans-stack); }
.rse-principles { display: grid; gap: 1rem; margin: 3rem 0 0; }
.rse-principles div { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.25rem; align-items: baseline; }
.rse-principles dt { font-size: .875rem; color: #6b6258; }
.rse-principles dd { margin: 0; font-size: 1.0625rem; line-height: 1.5; }
.rse-more { position: absolute; z-index: 1; top: 50%; left: 50%; transform: translate(-50%,-50%); display: inline-flex; align-items: center; justify-content: space-between; gap: 2.5rem; min-width: 15rem; min-height: 64px; max-width: calc(100% - 3rem); padding: 1.125rem 1.75rem; border: 1px solid #fff; background: rgba(36,34,31,.24); color: #fff; font: 400 1.125rem/1.4 var(--font-sans-stack); text-decoration: none; transition: background-color 140ms ease,color 140ms ease; }
.rse-more:hover, .rse-more:focus-visible { background: #fff; color: #24221f; }
.rse-more:focus-visible { outline: 2px solid #24221f; outline-offset: 5px; }
html[data-active-page="engagements"] .site-header { --site-header-color: #24221f; --site-header-muted: #625c54; --site-header-panel: #e9e3d9; background: rgba(233,227,217,.97); }
html[data-active-page="engagements"] .page-dots { color: #24221f; }
.rse-page .material-hero { min-height: 38rem; }
.rse-page h1 { font-size: clamp(2.5rem,4.4vw,5rem); }
.rse-details { padding: clamp(4rem,8vw,8rem) var(--material-gutter); background: #faf8f3; scroll-margin-top: 6rem; }
.rse-details > h2 { margin-bottom: 3.5rem; }
.rse-details .rse-card { grid-template-columns: minmax(7rem,.45fr) minmax(0,1fr); padding: 2.5rem 0; }
.rse-details .rse-card__label { font-size: .875rem; letter-spacing: 0; text-transform: none; color: #6b6258; }
.rse-details .rse-card h3 { font-size: 1.75rem; line-height: 1.2; }
.rse-details .rse-card p { max-width: 42rem; font-size: 1rem; line-height: 1.75; }
.rse-details .rse-card__status { display: block; margin-top: 1rem; color: #746550; font-size: .8125rem; letter-spacing: 0; text-transform: none; }
@media (max-width: 800px) {
  #engagements { grid-template-columns: 1fr; min-height: auto; }
  #engagements .rse-intro { grid-row: 1; padding: 7rem 1.5rem 3.5rem; }
  #engagements h2 { font-size: clamp(2.5rem,8.5vw,4.5rem); }
  #engagements .rse-visual { height: 125vw; } /* Full-width 4:5 space before lazy image loading. */
  .rse-principles { margin-top: 2.5rem; }
  .rse-page .material-hero { min-height: 0; }
  .rse-page .material-hero__copy { grid-row: 1; }
  .rse-details .rse-card { grid-template-columns: 1fr; gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) { .rse-more { transition: none; } }

/* ADR 031 — Proposition éditoriale : conviction, savoir-faire, choix, progrès.
   Styles limités à RSE ; navigation, collections et contact conservés. */
#engagements h2 { font-size: clamp(2.4rem,3.8vw,4.7rem); }
#engagements .chapter__kicker { margin-bottom: 1.6rem; }
#engagements .rse-intro { padding-top: 6.5rem; }
#engagements .rse-principles { margin-top: 2rem; }
.rse-page { background: #f5f2ec; }
html[data-active-page="engagements"] .rse-page .site-header { background: #f5f2ec; --site-header-panel: #f5f2ec; border-bottom: 1px solid #24221f18; }
.rse-page .material-main { --material-gutter: clamp(1.5rem,5vw,6rem); }
.rse-page .material-breadcrumb { padding-bottom: 1rem; }
.rse-page :is(h1,h2,h3,p,figure,dl,dd) { margin-top: 0; }
.rse-page :is(section[id],main[id]) { scroll-margin-top: 7rem; }
.rse-page a:focus-visible, .rse-page summary:focus-visible { outline: 2px solid currentColor; outline-offset: 6px; }
.rse-skip { position: fixed; z-index: 200; top: .5rem; left: 1rem; padding: 1rem; background: #24221f; color: #fff; transform: translateY(-180%); }
.rse-skip:focus { transform: none; }
.rse-page .rse-eyebrow { margin-bottom: 1.75rem; font-size: .8rem; line-height: 1.5; letter-spacing: .06em; color: #6b6258; }
.rse-hero { display: grid; grid-template-columns: 1.1fr 1fr; padding: .75rem var(--material-gutter) 4rem; gap: clamp(2rem,5vw,6rem); align-items: center; }
.rse-hero__copy { padding-block: 2.5rem; }
.rse-page h1 { font-size: clamp(2.6rem,4.3vw,5.3rem); letter-spacing: -.055em; line-height: 1.08; }
.rse-page h1 span { color: #82705a; }
.rse-page .rse-hero__lead { max-width: 29rem; margin: 2rem 0 1.75rem; color: #625c54; font-size: 1.1rem; line-height: 1.7; }
.rse-hero__visual { margin: 0; position: relative; }
.rse-hero__visual img { display: block; width: 100%; height: min(62vh,42rem); min-height: 25rem; object-fit: cover; }
.rse-hero__visual figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .25rem 1rem; margin-top: .75rem; font-size: .75rem; color: #625c54; }
.rse-text-link { display: inline-flex; gap: 2rem; align-items: center; min-height: 48px; padding-block: .65rem; border-bottom: 1px solid currentColor; font-size: .95rem; text-decoration: none; }
.rse-text-link:hover { color: #796047; }
.rse-chapters { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .25rem 2rem; padding: .7rem var(--material-gutter); border-block: 1px solid #24221f26; }
.rse-chapters a { min-height: 44px; display: flex; align-items: center; text-decoration: none; font-size: .875rem; color: #625c54; }
.rse-chapters a:hover { color: #24221f; text-decoration: underline; text-underline-offset: .35em; }
.rse-wrap { padding: clamp(4rem,7.5vw,8rem) var(--material-gutter); }
.rse-page h2 { font-size: clamp(2rem,3.15vw,3.7rem); letter-spacing: -.04em; line-height: 1.14; }
.rse-conviction, .rse-business, .rse-faq { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,7vw,8rem); }
.rse-prose p { max-width: 36rem; font-size: 1.1rem; line-height: 1.8; color: #625c54; margin-bottom: 1.25rem; }
.rse-craft { display: grid; grid-template-columns: .9fr 1.1fr; background: #292721; color: #f5f2ec; }
.rse-craft__visual { position: relative; overflow: hidden; margin: 0; background: #cfc1b0; }
.rse-craft__visual img { position: absolute; width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.rse-craft__visual figcaption { position: absolute; inset: auto 1.5rem 1.5rem; padding: .65rem .85rem; width: fit-content; max-width: calc(100% - 3rem); background: #f5f2eced; color: #484037; font-size: .75rem; }
.rse-craft__copy { padding: clamp(3rem,5.5vw,6rem) var(--material-gutter); }
.rse-craft__visual--atelier { align-self: center; padding: 2rem 0 2rem var(--material-gutter); background: transparent; }
.rse-craft__visual--atelier img { position: static; display: block; width: 100%; height: auto; object-fit: contain; }
.rse-craft__visual--atelier figcaption { position: static; display: flex; flex-wrap: wrap; gap: .3rem 1rem; justify-content: space-between; width: auto; max-width: none; margin-top: .8rem; padding: 0; background: transparent; color: #c7beb0; }
.rse-craft__link { margin-top: 1rem; }
.rse-craft__link:hover { color: #e4cba8; }
.rse-craft .rse-eyebrow, .rse-craft .rse-section-lead { color: #c7beb0; }
.rse-section-lead { max-width: 33rem; margin: 1.5rem 0 2.5rem; line-height: 1.75; font-size: 1.05rem; }
.rse-process { list-style: none; counter-reset: process; margin: 0; padding: 0; }
.rse-process li { position: relative; counter-increment: process; padding: 1.4rem 0 1.4rem 2.5rem; border-top: 1px solid #f5f2ec2e; }
.rse-process li::before { content: "0" counter(process); position: absolute; left: 0; top: 1.65rem; font-size: .75rem; color: #c7beb0; }
.rse-process h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.rse-process p { margin: 0; color: #c7beb0; font-size: .95rem; line-height: 1.7; }
.rse-section-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem,7vw,8rem); align-items: end; margin-bottom: 3rem; }
.rse-section-heading > p { margin-bottom: 0; max-width: 30rem; color: #625c54; line-height: 1.8; font-size: 1.05rem; }
.rse-partners { margin: 0; }
.rse-partners > div { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.5rem; border-top: 1px solid #24221f26; padding: 2.2rem 0; }
.rse-partners dt { font-size: clamp(1.4rem,2.2vw,2rem); line-height: 1.25; letter-spacing: -.025em; }
.rse-overline { display: block; margin-bottom: 1rem; font-size: .78rem; line-height: 1.5; letter-spacing: .045em; color: #6b6258; }
.rse-partners dd { margin: 0; }
.rse-partners h3 { font-size: 1.25rem; }
.rse-partners p { max-width: 38rem; margin-bottom: 0; line-height: 1.75; color: #625c54; }
.rse-ecosystem { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.5rem; border-block: 1px solid #24221f26; padding: 2rem 0; }
.rse-ecosystem h3 { font-size: 1.1rem; }
.rse-ecosystem p { max-width: 38rem; margin: 0; font-size: .9rem; color: #625c54; line-height: 1.75; }
.rse-conviction { background: #e8e1d6; }
.rse-progress { background: #e8e1d6; }
.rse-progress__columns { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,7vw,8rem); }
.rse-progress__columns article { border-top: 1px solid #24221f40; padding-top: 1.7rem; }
.rse-progress__columns h3 { font-size: 1.6rem; }
.rse-progress__columns ul { padding-left: 1.1rem; margin-bottom: 0; color: #625c54; }
.rse-progress__columns li { padding-left: .3rem; margin-top: .8rem; line-height: 1.75; }
.rse-business { background: #f5f2ec; border-bottom: 1px solid #24221f26; }
.rse-faq { background: #faf8f4; }
.rse-faq details { border-bottom: 1px solid #24221f26; }
.rse-faq details:first-child { border-top: 1px solid #24221f26; }
.rse-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.35rem 0; cursor: pointer; list-style: none; font-size: 1rem; line-height: 1.5; }
.rse-faq summary::-webkit-details-marker { display: none; }
.rse-faq summary::after { content: "+"; font-size: 1.5rem; font-weight: 400; flex-shrink: 0; }
.rse-faq details[open] summary::after { content: "−"; }
.rse-faq details p { margin-bottom: 1.5rem; color: #625c54; font-size: .95rem; line-height: 1.8; }
.rse-invitation { text-align: center; padding: clamp(4rem,7vw,7rem) var(--material-gutter); background: #ded3c2; }
.rse-page .material-footer { background: #f5f2ec; }
@media (min-width: 1600px) { .rse-page .material-main { max-width: 1920px; margin-inline: auto; } }
@media (max-width: 1000px) and (min-width: 801px) { .rse-hero { gap: 2rem; } .rse-page h1 { font-size: 2.6rem; } .rse-craft__copy { padding-inline: 2rem; } }
@media (max-width: 800px) {
  #engagements h2 { font-size: clamp(2.3rem,8vw,3.8rem); }
  .rse-hero { grid-template-columns: 1fr; gap: 1rem; padding-bottom: 2.5rem; }
  .rse-hero__copy { padding: 1rem 0 1.5rem; }
  .rse-page h1 { font-size: clamp(2.6rem,8.5vw,4.5rem); }
  .rse-hero__lead { margin-top: 1.5rem; font-size: 1rem; }
  .rse-hero__visual img { height: auto; min-height: 0; max-height: 32rem; aspect-ratio: 4 / 3; }
  .rse-chapters { justify-content: start; column-gap: 1.8rem; }
  .rse-chapters a { font-size: .8rem; }
  .rse-conviction, .rse-business, .rse-faq, .rse-section-heading, .rse-progress__columns { grid-template-columns: 1fr; gap: 2rem; }
  .rse-prose p { font-size: 1rem; }
  .rse-craft { grid-template-columns: 1fr; }
  .rse-craft__visual { aspect-ratio: 4 / 3; }
  .rse-craft__visual--atelier { aspect-ratio: auto; padding: 2rem var(--material-gutter) 0; }
  .rse-craft__copy { padding: 3rem var(--material-gutter); }
  .rse-partners > div, .rse-ecosystem { grid-template-columns: 1fr; gap: 1rem; }
  .rse-partners > div { padding-block: 1.8rem; }
  .rse-partners dt { font-size: 1.65rem; }
  .rse-overline { margin-bottom: .6rem; }
  .rse-page .material-breadcrumb { font-size: .78rem; flex-wrap: wrap; }
}