/* Site de Robert Rivière — présentation 2026 (sans Mobirise). Polices du système : aucune ressource externe. */
:root {
  --papier: #f7f3ea; --page: #fffdf8; --encre: #26221c; --doux: #6b6357; --filet: #e2d9c7;
  --accent: #2f5d7c; --accent-fonce: #234a63; --chaud: #8a5a2b;
  --largeur: 46rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --papier: #1b1916; --page: #23201c; --encre: #ece5d8; --doux: #a89f91; --filet: #3a352e;
    --accent: #8bb8d6; --accent-fonce: #a9cbe2; --chaud: #d1a274;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papier); color: var(--encre);
  font: 1.08rem/1.7 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-fonce); }
img { max-width: 100%; height: auto; border-radius: 4px; }
.evitement { position: absolute; left: -999px; }
.evitement:focus { left: 1rem; top: 1rem; background: var(--page); padding: .4rem .8rem; z-index: 10; }

/* En-tête et menu */
.entete { background: var(--page); border-bottom: 1px solid var(--filet); padding: .8rem 1rem; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: .6rem 1.4rem; position: sticky; top: 0; z-index: 5; }
.marque { text-decoration: none; color: var(--encre); display: flex; flex-direction: column; line-height: 1.15; }
.marque .nom { font-size: 1.35rem; letter-spacing: .02em; }
.marque .devise { font-size: .85rem; color: var(--chaud); font-style: italic; }
.entete nav ul { list-style: none; margin: 0; padding: 0; }
.menu-large > ul { display: flex; flex-wrap: wrap; gap: .2rem .9rem; align-items: center; font-size: .95rem; }
.menu-large a, .menu-large summary { color: var(--encre); text-decoration: none; cursor: pointer; padding: .2rem 0; }
.menu-large a:hover, .menu-large summary:hover { color: var(--accent); }
.menu-large a[aria-current="page"] { color: var(--accent); border-bottom: 2px solid var(--accent); }
.menu-large .sous { position: relative; }
.menu-large details > summary { list-style: none; }
.menu-large details > summary::after { content: " ▾"; font-size: .75em; color: var(--doux); }
.menu-large details > summary::-webkit-details-marker { display: none; }
.menu-large details[open] > ul { position: absolute; top: 2rem; left: -.8rem; background: var(--page); border: 1px solid var(--filet);
  border-radius: 6px; padding: .5rem .9rem; min-width: 13rem; box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.menu-large details[open] > ul li { padding: .15rem 0; }
.menu-mobile { display: none; }
@media (max-width: 860px) {
  .menu-large { display: none; }
  .menu-mobile { display: block; width: 100%; }
  .menu-mobile > summary { cursor: pointer; font-size: 1rem; padding: .3rem .8rem; border: 1px solid var(--filet); border-radius: 6px; display: inline-block; }
  .menu-mobile ul { padding: .4rem 0 0 .2rem; }
  .menu-mobile li { padding: .2rem 0; }
  .menu-mobile ul ul { padding-left: 1rem; }
  .menu-mobile a, .menu-mobile summary { color: var(--encre); text-decoration: none; }
  .menu-mobile a[aria-current="page"] { color: var(--accent); font-weight: bold; }
}

/* Contenu */
main { max-width: var(--largeur); margin: 0 auto; padding: 1.6rem 1rem 3rem; }
.bloc { background: var(--page); border: 1px solid var(--filet); border-radius: 8px; padding: 1.4rem 1.6rem; margin: 0 0 1.4rem; }
.bloc h1, .bloc h2, .bloc h3, .bloc h4 { line-height: 1.25; font-weight: normal; margin: .2rem 0 .8rem; }
.bloc h1, .bloc h2 { font-size: 1.75rem; color: var(--encre); }
.bloc h3 { font-size: 1.35rem; color: var(--accent-fonce); }
.bloc h4, .bloc h5, .bloc h6 { font-size: 1.1rem; color: var(--chaud); }
.bloc p { margin: 0 0 .9rem; }
.bloc p:last-child { margin-bottom: 0; }
.bloc strong { font-weight: 600; }
.bloc blockquote { margin: 1rem 0; padding: .2rem 1rem; border-left: 3px solid var(--chaud); color: var(--doux); font-style: italic; }
.bloc iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 6px; }
.bloc.avec-image { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 1.4rem; align-items: start; }
.bloc figure { margin: 0; }
.bloc figcaption { font-size: .88rem; color: var(--doux); text-align: center; margin-top: .4rem; font-style: italic; }
.bloc.avec-image.inverse { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }
.bloc.avec-image.inverse > figure { order: 2; }
@media (max-width: 700px) { .bloc.avec-image figure { margin-bottom: 1rem; } }
@media (max-width: 700px) { .bloc.avec-image, .bloc.avec-image.inverse { display: block; } .bloc { padding: 1.1rem 1.1rem; } }
.bouton { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; padding: .45rem 1.1rem;
  border-radius: 6px; margin: .3rem .4rem .3rem 0; font-size: .98rem; }
.bouton:hover { background: var(--accent-fonce); color: #fff; }
.bouton.secondaire { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.suite { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.6rem; }
.encart { border-left: 4px solid var(--chaud); background: color-mix(in srgb, var(--chaud) 8%, var(--page)); }

/* Pied */
.pied { border-top: 1px solid var(--filet); padding: 1.2rem 1rem 2rem; text-align: center; color: var(--doux); font-size: .9rem; }
.pied p { margin: .3rem 0; }

/* Chantier v2 : autonome, remplace style.css. */
:root{color-scheme:light;--papier:#f6f0e5;--page:#fffcf5;--encre:#302b25;--doux:#64594c;--chaud:#895320;--accent:#3f6346;--accent-fonce:#304e36;--filet:#9a927f;--teinte:#e5eddb;--sur-accent:#fff;--faute:#a02f29;--largeur:76rem}
:root[data-theme=dark]{color-scheme:dark;--papier:#211e19;--page:#2c2721;--encre:#f3eadc;--doux:#c5b8a5;--chaud:#e8b778;--accent:#b9d2a5;--accent-fonce:#d4e5c7;--filet:#a18f77;--teinte:#303b2b;--sur-accent:#211e19;--faute:#ffaaa1}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--papier:#211e19;--page:#2c2721;--encre:#f3eadc;--doux:#c5b8a5;--chaud:#e8b778;--accent:#b9d2a5;--accent-fonce:#d4e5c7;--filet:#a18f77;--teinte:#303b2b;--sur-accent:#211e19;--faute:#ffaaa1}}
body{font:1.25rem/1.8 Georgia,serif;overflow-wrap:break-word}a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.entete{position:static;display:block;padding:1.5rem max(1rem,calc((100% - 73rem)/2));font-family:'Segoe UI',Arial,sans-serif}.marque .nom{font:2.2rem/1.2 Georgia,serif}.marque .devise{font:italic 1rem/1.6 Georgia,serif}.menu-large>ul{margin-top:1rem;gap:.2rem 1.3rem;font-size:1rem}.menu-large a{display:block;min-height:44px;padding:.5rem 0}main,.contenu-site{max-width:var(--largeur);margin:auto;padding:2rem 1.5rem 3rem;min-width:0}.bloc{border-radius:3px;padding:2rem;margin-bottom:1.6rem}.bloc h1{font-size:clamp(2rem,3vw,3rem)}.bloc h2{font-size:2rem}.bloc h3{font-size:1.65rem}.texte{min-width:0}.texte p,.bloc>p,.bloc>ul{max-width:72ch}.bloc.avec-image{grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:2.5rem}.bloc.avec-image.inverse{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}.bouton{font:600 1rem/1.5 'Segoe UI',Arial,sans-serif;min-height:44px;padding:.65rem 1rem;border:1px solid var(--accent);color:var(--sur-accent);border-radius:3px;max-width:100%}.bouton:hover{color:var(--sur-accent)}.bouton.secondaire:hover{color:var(--accent-fonce);background:var(--teinte)}.encart{background:var(--teinte);border-left:3px solid var(--accent)}.beta{display:flex;align-items:flex-start;gap:1rem;font:1rem/1.7 'Segoe UI',Arial,sans-serif}.beta p{margin:.3rem 0}.stade-icone{width:40px;height:40px;flex:0 0 40px;color:var(--accent)}.signature{color:var(--chaud);font-style:italic}.cadre-rubrique{max-width:76rem;margin:auto;display:grid;grid-template-columns:14rem minmax(0,1fr);gap:2.5rem;padding:2rem 1.5rem 3rem}.cadre-rubrique>main,.cadre-rubrique>.contenu-site{padding:0;margin:0;max-width:none;min-width:0}.rubrique{font:1rem/1.6 'Segoe UI',Arial,sans-serif;min-width:0}.rubrique ul{list-style:none;padding:0;margin:0 0 2rem}.rubrique a{display:block;padding:.65rem .8rem;min-height:44px;border-left:2px solid transparent;text-decoration:none;color:var(--encre)}.rubrique a[aria-current=page]{background:var(--teinte);border-color:var(--accent);font-weight:700;color:var(--accent)}.rubrique figure{margin:1.5rem 0}.rubrique figcaption{color:var(--doux);font-size:.85rem}.rubrique-mobile{display:none}.cadre-rubrique .bloc.avec-image,.cadre-rubrique .bloc.avec-image.inverse{display:block}.cadre-rubrique .bloc figure{max-width:26rem;margin:0 0 1.5rem}.cadre-rubrique .texte{max-width:72ch}.suite{flex-wrap:wrap}.pied{font:.95rem/1.7 'Segoe UI',Arial,sans-serif}
@media(max-width:1000px){.menu-large{display:none}.menu-mobile{display:block;margin-top:1rem;font:1rem/1.6 'Segoe UI',Arial,sans-serif}.menu-mobile a,.menu-mobile summary{display:block;min-height:44px;padding:.5rem}.cadre-rubrique{display:block}.rubrique-large{display:none}.rubrique-mobile{display:block;margin-bottom:1.5rem}.rubrique-mobile>summary{padding:.7rem;border:1px solid var(--filet);cursor:pointer}.rubrique figure{max-width:20rem}}
@media(max-width:700px){body{font-size:1.125rem}.bloc.avec-image,.bloc.avec-image.inverse{display:block}.bloc figure{max-width:22rem;margin:0 auto 1.5rem}.bloc{padding:1.2rem}.cadre-rubrique,main,.contenu-site{padding:1.5rem 1rem}.bloc h2{font-size:1.7rem}.marque .nom{font-size:1.9rem}.beta{gap:.65rem}.stade-icone{width:32px;height:32px;flex-basis:32px}}

/* Compléments à la charte « Chantier » (Claude, 03/11/2026) : titre principal des pages et tableau des niveaux */
.titre-page { font-size: 2rem; line-height: 1.2; font-weight: normal; margin: .2rem 0 1.2rem; color: var(--encre); }
main > h1:first-child, .bloc > h1:first-child { font-weight: normal; }
.niveaux { width: 100%; border-collapse: collapse; margin: .6rem 0 1rem; font-size: .95em; }
.niveaux th, .niveaux td { text-align: left; padding: .35rem .6rem; border-bottom: 1px solid var(--filet, #ddd); vertical-align: top; }
.niveaux th { font-weight: 600; }
.niveaux { table-layout: fixed; }
.niveaux td, .niveaux th { overflow-wrap: anywhere; hyphens: auto; }
@media (max-width: 700px) { .titre-page { font-size: 1.6rem; } .niveaux { font-size: .82em; } .niveaux th, .niveaux td { padding: .3rem .25rem; } }