:root {
  --encre: #102530; --encre2: #0B1C25; --petrole: #0F4C4A; --sable: #C6A15B; --sable-clair: #E4CC97;
  --sable-ink: #7A5A22; --creme: #F7F4EC; --feuille: #FDFCF9; --ligne: #DDD6C8;
  --texte2: #2E4450; --muted: #5A6970; --violet: #4A3C8C; --violet-sombre: #2C2652; --lilas: #BDB3EA;
  --terre: #8A4520; --serif: "EB Garamond", Garamond, Georgia, "Times New Roman", serif;
  --sans: "Libre Franklin", "Segoe UI", Roboto, sans-serif; --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;
  --doux: cubic-bezier(.2, .7, .2, 1);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--creme); color: var(--encre); font: 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, fieldset { margin: 0; }
a { color: inherit; text-underline-offset: 3px; overflow-wrap: anywhere; }
button, input, select { font: inherit; color: inherit; }
::selection { background: var(--sable-clair); color: var(--encre); }
:focus-visible { outline: 3px solid var(--violet); outline-offset: 3px; }
.site-entete :focus-visible, .site-pied :focus-visible { outline-color: var(--sable-clair); }
.contenu { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.mono { font-family: var(--mono); font-weight: 500; letter-spacing: .04em; }
.evitement { position: absolute; left: 16px; top: -80px; z-index: 30; background: var(--sable); color: var(--encre); padding: 10px 16px; font-weight: 600; text-decoration: none; }
.evitement:focus { top: 12px; }
.masque { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.site-entete { position: relative; z-index: 20; background: var(--encre); color: var(--creme); }
.site-barre { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 78px; }
.site-logo { display: flex; align-items: center; gap: 12px; min-height: 44px; text-decoration: none; }
.site-emb { display: block; width: 38px; height: 38px; transition: transform .8s var(--doux); }
.site-logo:hover .site-emb { transform: rotate(45deg); }
.site-nom { display: block; width: auto; height: 20px; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a { position: relative; padding: 10px 0; font-size: 14px; font-weight: 600; letter-spacing: .04em; text-decoration: none; }
.site-nav a:not(.site-contact)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 1.5px; background: var(--sable); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.site-nav a:not(.site-contact):hover::after, .site-nav a:not(.site-contact):focus-visible::after, .site-nav a.courant::after { transform: scaleX(1); }
.site-nav .site-contact, .site-menu .site-contact { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 2px; background: var(--sable); color: var(--encre); }
.site-menu { display: none; }
.site-menu summary { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid currentColor; border-radius: 2px; cursor: pointer; list-style: none; }
.site-menu summary::-webkit-details-marker { display: none; }
.site-menu summary path { transform-box: fill-box; transform-origin: center; transition: transform .4s var(--doux), opacity .3s ease; }
.site-menu[open] summary .b1 { transform: translateY(6px) rotate(45deg); }
.site-menu[open] summary .b2 { opacity: 0; }
.site-menu[open] summary .b3 { transform: translateY(-6px) rotate(-45deg); }
.site-menu nav { position: absolute; left: 0; right: 0; top: 100%; display: flex; flex-direction: column; padding: 8px 16px 28px; background: var(--encre); box-shadow: 0 30px 40px -30px rgba(0, 0, 0, .5); }
.site-menu nav a { display: flex; align-items: center; min-height: 52px; padding: 10px 0; border-bottom: 1px solid rgba(247, 244, 236, .12); font-family: var(--serif); font-size: 26px; font-weight: 500; text-decoration: none; }
.site-menu nav .site-contact { margin-top: 20px; border-bottom: 0; font-family: var(--sans); font-size: 15px; font-weight: 600; min-height: 50px; }
.bandeau { background: var(--encre2); color: var(--creme); border-bottom: 1px solid rgba(228, 204, 151, .18); }
.bandeau-ligne { display: flex; align-items: center; min-height: 44px; }
.ariane { display: flex; flex-wrap: wrap; gap: 10px; padding: 8px 0; font-size: 13px; color: rgba(247, 244, 236, .74); }
.ariane [aria-current] { color: var(--sable-clair); }
.ouverture { background: var(--encre2); color: var(--creme); padding: 64px 0 80px; }
.repere { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--sable-ink); }
.repere::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.ouverture .repere { color: var(--sable-clair); }
.ouverture h1 { max-width: 850px; margin-top: 22px; font: 500 56px/1.06 var(--serif); letter-spacing: -.015em; text-wrap: balance; }
.chapeau { max-width: 760px; margin-top: 22px; font-size: 19px; line-height: 1.6; color: rgba(247, 244, 236, .86); }
.meta { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 30px; font-family: var(--mono); font-size: 12px; letter-spacing: .05em; color: rgba(247, 244, 236, .74); }
.meta b { color: var(--sable-clair); font-weight: 500; }
.section { padding: 72px 0; }
.creme { background: var(--creme); }
.feuille-fond { background: var(--feuille); }
.titre-s { max-width: 850px; margin-top: 14px; font: 500 42px/1.1 var(--serif); letter-spacing: -.01em; text-wrap: balance; }
.titre-s.petit { font-size: 32px; }
.sous { max-width: 800px; margin-top: 16px; font-size: 18px; line-height: 1.6; color: var(--texte2); }
.champ-note { margin-top: 24px; max-width: 960px; padding: 18px 22px; border-left: 3px solid var(--sable); background: rgba(198, 161, 91, .12); font-size: 15px; color: var(--texte2); }
.champ-note p + p { margin-top: 12px; }
.champ-note ul { margin: 6px 0 12px; padding-left: 20px; }
.champ-note li + li { margin-top: 4px; }
.carte { background: var(--feuille); border: 1px solid var(--ligne); border-radius: 2px; padding: 36px; margin-top: 32px; box-shadow: 0 1px 0 var(--ligne), 0 24px 48px -36px rgba(16, 37, 48, .35); }
.bloc { border: 0; padding: 0; min-width: 0; }
.bloc + .bloc { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--ligne); }
.bloc legend { float: left; width: 100%; margin-bottom: 18px; padding: 0; font: 500 26px/1.2 var(--serif); }
.bloc legend + * { clear: both; }
.champ-ligne { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: start; }
.champ { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.champ label { font-size: 14px; font-weight: 600; }
input[type="date"], input[type="text"], select { min-height: 48px; padding: 8px 10px; border: 1px solid #B9B0A0; border-radius: 2px; background: #fff; width: 100%; }
input[type="text"] { font-family: var(--mono); font-size: 15px; }
select { font-size: 14px; }
input:focus-visible, select:focus-visible { outline-color: var(--violet); outline-offset: 1px; }
input[aria-invalid="true"], select[aria-invalid="true"] { border: 2px solid var(--terre); background: #FBF1EA; }
.fictif { outline: 2px dashed var(--sable-ink); outline-offset: 3px; }
.confirmation { display: flex; gap: 14px; align-items: flex-start; margin: 22px 0; font-size: 15px; }
.confirmation input { flex: 0 0 auto; width: 22px; height: 22px; margin: 3px 0 0; accent-color: var(--petrole); }
.confirmation label { cursor: pointer; min-height: 44px; }
.aide { font-size: 14px; color: var(--texte2); margin-top: 10px; max-width: 900px; }
.champ .aide { margin-top: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--ligne); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 10px 20px; border-radius: 2px; font-size: 15px; font-weight: 600; border: 1.5px solid transparent; cursor: pointer; transition: background-color .25s ease, color .25s ease; }
.btn-plein { background: var(--petrole); color: var(--creme); }
.btn-plein:hover { background: var(--encre); }
.btn-trait { background: transparent; border-color: var(--encre); color: var(--encre); }
.btn-trait:hover { background: var(--encre); color: var(--creme); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.erreurs { margin-top: 24px; padding: 18px 22px; border-left: 3px solid var(--terre); background: #FBF1EA; font-size: 15px; }
.erreurs ul { margin: 8px 0 0; padding-left: 20px; }
.erreurs li + li { margin-top: 8px; }
.vide { margin-top: 28px; color: var(--muted); }
.synthese { margin-top: 28px; padding: 16px 0; border-top: 1px solid var(--ligne); border-bottom: 1px solid var(--ligne); font: 13px/1.7 var(--mono); color: var(--texte2); }
.rappel { margin-top: 22px; font-size: 15px; color: var(--texte2); }
.exemple-note { margin-top: 20px; padding: 14px 18px; border: 2px dashed var(--sable-ink); font-size: 15px; color: var(--encre); background: var(--creme); }
.avertissement { padding: 12px 16px; border-left: 3px solid var(--terre); background: #FBF1EA; color: var(--encre); }
.note-tableau { margin-top: 28px; max-width: 900px; font-size: 13px; color: var(--texte2); }
/* Ombres de défilement : visibles seulement quand le tableau dépasse son conteneur (fonds « local » qui les recouvrent aux extrémités). */
.table-defilement { max-width: 100%; overflow-x: auto; margin-top: 12px;
  background: linear-gradient(to right, var(--feuille) 30%, rgba(255, 255, 255, 0)) left center / 40px 100% no-repeat local,
    linear-gradient(to left, var(--feuille) 30%, rgba(255, 255, 255, 0)) right center / 40px 100% no-repeat local,
    radial-gradient(farthest-side at 0 50%, rgba(16, 37, 48, .25), transparent) left center / 14px 100% no-repeat scroll,
    radial-gradient(farthest-side at 100% 50%, rgba(16, 37, 48, .25), transparent) right center / 14px 100% no-repeat scroll; }
.comparaison { width: 100%; border-collapse: collapse; font-size: 15px; }
.comparaison caption { text-align: left; font-size: 13px; color: var(--texte2); margin-bottom: 12px; }
.comparaison th, .comparaison td { padding: 16px; border: 1px solid var(--ligne); vertical-align: top; text-align: left; }
.comparaison thead th { background: var(--encre); color: var(--creme); font-size: 16px; }
.comparaison thead th:first-child { width: 40%; }
.comparaison tbody th { font-weight: 500; }
.comparaison td.nombre { min-width: 170px; text-align: right; font-family: var(--mono); font-size: 15px; }
.references { display: block; margin-top: 5px; font-family: var(--sans); font-size: 12px; color: var(--texte2); }
.references a { display: inline-block; padding: 2px; }
.ligne-total th, .ligne-total td { border-top: 2px solid var(--encre); background: var(--creme); font-weight: 600; }
.motifs { padding-left: 22px; margin-top: 18px; }
.motifs li + li { margin-top: 10px; }
.regles-methode { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 36px; }
.regle-carte { background: var(--feuille); border: 1px solid var(--ligne); padding: 24px; scroll-margin-top: 20px; }
.regle-carte h3 { font: 500 24px/1.2 var(--serif); }
.regle-carte p { font-size: 15px; color: var(--texte2); margin-top: 12px; }
.regle-carte .regle-note { font-size: 13px; color: var(--muted); }
.sources { font-size: 13.5px; color: var(--texte2); margin-top: 16px; }
.sources summary { cursor: pointer; font-family: var(--mono); font-size: 12px; color: var(--sable-ink); min-height: 44px; padding-top: 10px; }
.sources ul { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.sources li { padding-left: 14px; border-left: 2px solid var(--ligne); }
.sources .passage { display: block; font-style: italic; margin-top: 8px; }
.deux-col { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 64px; }
.pack { display: block; margin-top: 18px; padding: 24px; border: 1px solid var(--ligne); background: var(--creme); text-decoration: none; }
.pack:hover { border-color: var(--violet); }
.pack h3 { font: 500 26px/1.2 var(--serif); text-decoration: underline; text-underline-offset: 4px; }
.pack p { font-size: 14.5px; color: var(--texte2); margin-top: 6px; }
.site-pied { background: var(--encre2); color: rgba(247, 244, 236, .8); padding: 56px 0 40px; font-size: 14px; }
.site-pied-outil { padding-bottom: 32px; margin-bottom: 40px; border-bottom: 1px solid rgba(247, 244, 236, .14); color: rgba(247, 244, 236, .84); }
.site-pied-outil p + p { margin-top: 8px; color: rgba(247, 244, 236, .66); font-size: 12px; }
.site-pied-haut { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr)); gap: 40px; }
.site-pied-nom { display: block; width: auto; height: 22px; }
.site-pied-accroche { max-width: 320px; margin-top: 16px; }
.site-pied h3 { margin-bottom: 14px; font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--sable-clair); }
.site-pied-haut a { display: block; padding: 5px 0; color: rgba(247, 244, 236, .86); text-decoration: none; }
.site-pied-haut a:hover { color: var(--creme); text-decoration: underline; text-underline-offset: 4px; }
.site-pied-bas { margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(247, 244, 236, .14); font-size: 13px; color: rgba(247, 244, 236, .66); }
.recapitulatif { display: none; }
@media (max-width: 980px) {
  .site-nav { display: none; }
  .site-menu { display: block; }
  .site-pied-haut { grid-template-columns: 1fr 1fr; }
  .champ-ligne { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .contenu { padding: 0 16px; }
  .ouverture { padding: 40px 0 56px; }
  .ouverture h1 { font-size: 36px; }
  .titre-s { font-size: 30px; }
  .titre-s.petit { font-size: 28px; }
  .section { padding: 48px 0; }
  .carte { padding: 24px 16px; }
  .champ-ligne, .regles-methode, .deux-col { grid-template-columns: 1fr; }
  .deux-col { gap: 40px; }
  .btn { width: 100%; }
  .comparaison { font-size: 14px; }
  .comparaison th, .comparaison td { padding: 10px 8px; }
  .comparaison thead th { font-size: 14px; }
  .comparaison thead th:first-child { width: auto; }
  .comparaison td.nombre { min-width: 0; font-size: 13px; }
}
/* Cadre du site, identique à la feuille de l'outil des seuils (outils/STANDARD.md, « Publication sur le site »). */
@media (max-width: 900px) {
  .site-barre { height: 64px; }
}
@media (max-width: 620px) {
  .site-pied-haut { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  @page { size: A4; margin: 16mm 14mm 18mm; }
  body { background: #fff; font-size: 10pt; line-height: 1.4; }
  body > *:not(.recapitulatif) { display: none !important; }
  .recapitulatif { display: block; color: #000; }
  .recapitulatif h1 { font: 500 20pt/1.15 var(--serif); }
  .recapitulatif h2 { font: 500 14pt/1.2 var(--serif); margin: 14pt 0 6pt; padding-bottom: 3pt; border-bottom: 1pt solid #000; break-after: avoid; }
  .recapitulatif .entete { font: 8.5pt/1.5 var(--mono); margin-top: 6pt; color: #333; }
  .recapitulatif table { width: 100%; border-collapse: collapse; table-layout: fixed; margin: 8pt 0; font-size: 9pt; }
  .recapitulatif th, .recapitulatif td { border: .5pt solid #999; padding: 4pt; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
  .recapitulatif th { background: #eee; color: #000; font-weight: 600; }
  .recapitulatif .comparaison thead th:first-child { width: 42%; }
  .recapitulatif .comparaison td.nombre { min-width: 0; font: 8.5pt/1.4 var(--mono); }
  .recapitulatif .comparaison caption { font-size: 8.5pt; margin-bottom: 4pt; color: #333; }
  .recapitulatif .references { font-size: 7.5pt; color: #333; }
  .recapitulatif .bloc-montants, .recapitulatif .comparaison { break-inside: avoid; }
  .recapitulatif tr { break-inside: avoid; }
  .recapitulatif thead { display: table-header-group; }
  .recapitulatif .regle-imprimee { break-inside: avoid; margin: 7pt 0; font-size: 9pt; }
  .recapitulatif .source-imprimee { break-inside: avoid; margin: 6pt 0; font-size: 8pt; overflow-wrap: anywhere; }
  .recapitulatif .petit { font-size: 8.5pt; color: #333; margin-top: 7pt; }
  .recapitulatif .mention { margin-top: 14pt; padding: 7pt; border: 1pt solid #000; font-weight: 600; break-inside: avoid; }
  .recapitulatif .exemple-note { padding: 7pt; margin: 10pt 0; border: 1pt dashed #000; background: #fff; font-size: 10pt; }
}