/* Librolingua — feuille unique, sans police ni ressource externe. */
:root {
  --papier: #f7f3ec;
  --papier-2: #efe8dc;
  --carte: #fffdf9;
  --encre: #1f1a14;
  --encre-2: #5b5247;
  --filet: #ddd3c4;
  --accent: #b4532a;
  --accent-fonce: #8f3f1d;
  --accent-doux: #f3e0d4;
  --vert: #2f6b4f;
  --rouge: #a3312a;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --rayon: 14px;
  --ombre: 0 1px 2px rgb(60 40 20 / 0.06), 0 6px 24px rgb(60 40 20 / 0.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --papier: #16130f;
    --papier-2: #1e1a15;
    --carte: #221d17;
    --encre: #f1ebe2;
    --encre-2: #b8ad9e;
    --filet: #3a3229;
    --accent: #e08455;
    --accent-fonce: #f0a17a;
    --accent-doux: #3a2519;
    --vert: #7fc4a0;
    --rouge: #f08a80;
    --ombre: 0 1px 2px rgb(0 0 0 / 0.3), 0 6px 24px rgb(0 0 0 / 0.25);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--papier); color: var(--encre); font: 17px/1.6 var(--sans); }
img, svg { max-width: 100%; }
a { color: var(--accent-fonce); text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }
h1, h2, h3, .h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 1.3rem + 3vw, 3.3rem); }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 2rem); }
h3, .h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
code { font-size: 0.9em; background: var(--papier-2); padding: 0.1em 0.35em; border-radius: 4px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.largeur { width: min(1140px, 100% - 32px); margin-inline: auto; }
.etroit { width: min(760px, 100% - 32px); }
.evitement { position: absolute; left: -999px; top: 0; background: var(--encre); color: var(--papier); padding: 8px 12px; z-index: 99; }
.evitement:focus { left: 8px; }
.discret { color: var(--encre-2); font-size: 0.92em; }
.cache { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* En-tête */
.entete { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--papier) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--filet); }
.entete-int { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--encre); text-decoration: none; font: 600 1.25rem var(--serif); }
.logo-marque { width: 32px; height: 32px; color: var(--encre); }
.menu { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.menu ul { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.menu a { color: var(--encre); text-decoration: none; font-size: 0.96rem; }
.menu a[aria-current="page"], .menu a:hover { color: var(--accent-fonce); }
.menu .bouton { color: #fff; }
.langues { position: relative; }
.langues summary { list-style: none; cursor: pointer; font-size: 0.85rem; font-weight: 600; border: 1px solid var(--filet); border-radius: 999px; padding: 4px 10px; }
.langues summary::-webkit-details-marker { display: none; }
.langues ul { position: absolute; right: 0; top: calc(100% + 6px); display: grid; gap: 0; background: var(--carte); border: 1px solid var(--filet); border-radius: 10px; box-shadow: var(--ombre); padding: 6px; min-width: 150px; }
.langues li a { display: block; padding: 6px 10px; border-radius: 6px; }
.langues li a:hover { background: var(--papier-2); }
.menu-bascule, .menu-bouton { display: none; }
@media (max-width: 960px) {
  .menu-bouton { display: grid; gap: 5px; margin-left: auto; cursor: pointer; padding: 10px; }
  .menu-bouton span { display: block; width: 24px; height: 2px; background: var(--encre); border-radius: 2px; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch; gap: 8px; background: var(--papier); border-bottom: 1px solid var(--filet); padding: 12px 16px 18px; }
  .menu ul { flex-direction: column; gap: 4px; }
  .menu ul a { display: block; padding: 8px 0; font-size: 1.05rem; }
  .menu-bascule:checked ~ .menu { display: flex; }
  .langues ul { position: static; box-shadow: none; margin-top: 6px; grid-template-columns: repeat(3, 1fr); }
}

/* Boutons */
.bouton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: #fff; border: 0; border-radius: 999px; padding: 12px 22px; font: 600 1rem var(--sans); text-decoration: none; cursor: pointer; transition: background 0.15s, transform 0.15s; }
.bouton:hover { background: var(--accent-fonce); color: #fff; }
.bouton:active { transform: translateY(1px); }
.bouton[disabled] { opacity: 0.5; cursor: not-allowed; }
.bouton-second { background: transparent; color: var(--encre); border: 1.5px solid var(--encre); }
.bouton-second:hover { background: var(--encre); color: var(--papier); }
.bouton-petit { padding: 8px 16px; font-size: 0.92rem; }
.cta-boutons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.4em; }

/* Blocs */
main { padding-bottom: 40px; }
.hero { padding-block: clamp(36px, 7vw, 88px) clamp(20px, 4vw, 40px); }
.hero .chapo { font-size: clamp(1.08rem, 1rem + 0.4vw, 1.3rem); color: var(--encre-2); max-width: 46em; }
.bloc { padding-block: clamp(20px, 4vw, 44px); }
.encadre { background: var(--papier-2); border-radius: var(--rayon); padding: clamp(20px, 4vw, 40px); margin-block: 24px; }
.grille-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 20px; }
.grille-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 18px; }
.colonnes { columns: 2 380px; column-gap: 48px; }
.colonnes .bloc { break-inside: avoid; padding-block: 10px 18px; }
.carte { position: relative; background: var(--carte); border: 1px solid var(--filet); border-radius: var(--rayon); padding: 22px; box-shadow: var(--ombre); }
.carte p:last-child { margin-bottom: 0; }
.carte-lien { display: block; color: var(--encre); text-decoration: none; transition: border-color 0.15s, transform 0.15s; }
.carte-lien:hover { border-color: var(--accent); color: var(--encre); transform: translateY(-2px); }
.carte-lien h2, .carte-lien h3 { color: var(--accent-fonce); }
.pastille { display: inline-block; background: var(--accent); color: #fff; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; }
.pastille-discrete { background: var(--papier-2); color: var(--encre-2); text-transform: none; letter-spacing: 0; font-weight: 600; }
.niveau .pastille { position: absolute; top: -11px; left: 20px; }
.niveau-vedette { border: 2px solid var(--accent); }
.prix { font: 600 1.8rem var(--serif); margin: 0.2em 0; }
.prix small { font: 400 0.9rem var(--sans); color: var(--encre-2); }
.prix-roman { font-size: 0.92rem; color: var(--encre-2); }
.etapes { counter-reset: e; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 18px; }
.etapes li { counter-increment: e; padding-top: 52px; position: relative; }
.etapes li::before { content: counter(e); position: absolute; top: 0; left: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--accent-doux); color: var(--accent-fonce); display: grid; place-items: center; font: 600 1.2rem var(--serif); }
.promesses { margin-top: 8px; }
.cta { margin-block: 32px; background: var(--encre); color: var(--papier); border-radius: var(--rayon); padding: clamp(24px, 5vw, 48px); text-align: center; }
.cta p { margin: 0 auto; max-width: 40em; font-size: 1.1rem; }
.cta a:not(.bouton) { color: var(--papier); }
.cta .cta-boutons { justify-content: center; }
.cta .bouton-second { color: var(--papier); border-color: var(--papier); }
.cta .bouton-second:hover { background: var(--papier); color: var(--encre); }
.liste-langues { columns: 4 140px; padding-left: 1.1em; }

/* Fil d'Ariane */
.ariane ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 18px 0 0; margin: 0 auto; font-size: 0.88rem; color: var(--encre-2); }
.ariane li + li::before { content: "›"; margin-right: 6px; }
.ariane a { color: var(--encre-2); }

/* Tableaux */
.tableau-defile { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tableau { width: 100%; border-collapse: collapse; background: var(--carte); border-radius: var(--rayon); overflow: hidden; font-size: 0.96rem; }
.tableau th, .tableau td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--filet); vertical-align: top; }
.tableau thead th { background: var(--papier-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--encre-2); }
.tableau tbody th { font-family: var(--serif); font-weight: 600; white-space: nowrap; }
.citation-source { font: italic 1.15rem var(--serif); border-left: 3px solid var(--accent); padding-left: 16px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--filet); padding: 14px 0; }
.faq summary { cursor: pointer; font: 600 1.08rem var(--serif); list-style: none; padding-right: 28px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font: 400 1.5rem var(--sans); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 10px 0 0; color: var(--encre-2); }

/* Raison d'être : frise */
.lettrine-p:first-child::first-letter { float: left; font: 600 3.6em/0.85 var(--serif); margin: 0.06em 0.1em 0 0; color: var(--accent); }
.frise { list-style: none; padding: 0; margin: 24px 0 0; position: relative; }
.frise::before { content: ""; position: absolute; left: 118px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--filet), var(--accent)); }
.frise-etape { display: grid; grid-template-columns: 100px 1fr; gap: 36px; align-items: start; padding-block: 12px; position: relative; }
.frise-etape::before { content: ""; position: absolute; left: 112px; top: 22px; width: 14px; height: 14px; border-radius: 50%; background: var(--papier); border: 2px solid var(--accent); }
.frise-maintenant::before { background: var(--accent); box-shadow: 0 0 0 6px var(--accent-doux); }
.frise-annee { font: 600 0.95rem var(--serif); color: var(--accent-fonce); text-align: right; padding-top: 14px; }
.frise-carte { background: var(--carte); border: 1px solid var(--filet); border-radius: var(--rayon); padding: 14px 18px; }
.frise-carte h3 { margin-bottom: 0.3em; }
.frise-carte p { margin: 0; color: var(--encre-2); }
.frise-maintenant .frise-carte { border: 2px solid var(--accent); }
@media (max-width: 640px) {
  .frise::before { left: 7px; }
  .frise-etape { grid-template-columns: 1fr; gap: 6px; padding-left: 30px; }
  .frise-etape::before { left: 1px; top: 16px; }
  .frise-annee { text-align: left; padding-top: 10px; }
}
.conclusion { font: italic 1.3rem/1.55 var(--serif); text-align: center; }

/* Formulaires, outils */
label { display: grid; gap: 6px; font-weight: 600; font-size: 0.94rem; }
input, select, textarea { font: inherit; font-weight: 400; color: var(--encre); background: var(--carte); border: 1.5px solid var(--filet); border-radius: 10px; padding: 10px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-doux); }
label.case { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; }
label.case input { width: auto; margin-top: 4px; accent-color: var(--accent); }
.formulaire { display: grid; gap: 16px; }
.formulaire .bouton { justify-self: start; }
.outil { background: var(--carte); border: 1px solid var(--filet); border-radius: var(--rayon); padding: clamp(18px, 3vw, 30px); box-shadow: var(--ombre); display: grid; gap: 20px; }
.champs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 16px; align-items: end; }
.resultats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 12px; }
.resultats > div { background: var(--papier-2); border-radius: 10px; padding: 14px 16px; display: grid; gap: 2px; }
.resultats span { font-size: 0.85rem; color: var(--encre-2); }
.resultats strong { font: 600 1.35rem var(--serif); }
.schema-couverture { width: 100%; max-height: 260px; }
.message-ok { background: color-mix(in srgb, var(--vert) 14%, var(--carte)); border-left: 4px solid var(--vert); padding: 14px 18px; border-radius: 8px; }
.message-erreur { background: color-mix(in srgb, var(--rouge) 12%, var(--carte)); border-left: 4px solid var(--rouge); padding: 14px 18px; border-radius: 8px; }
.legal h2 { font-size: 1.2rem; margin-top: 1.4em; }

/* Configurateur */
.commander { display: grid; gap: 24px; }
.cmd-etapes { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; counter-reset: c; }
.cmd-etapes li { counter-increment: c; display: flex; align-items: center; gap: 8px; color: var(--encre-2); font-size: 0.92rem; }
.cmd-etapes li::before { content: counter(c); width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--filet); display: grid; place-items: center; font-weight: 700; font-size: 0.8rem; }
.cmd-etapes li + li { margin-left: 8px; }
.cmd-etapes .actif { color: var(--encre); font-weight: 600; }
.cmd-etapes .actif::before { background: var(--accent); border-color: var(--accent); color: #fff; }
.cmd-etapes .fait::before { content: "✓"; background: var(--accent-doux); border-color: var(--accent-doux); color: var(--accent-fonce); }
.cmd-grille { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 28px; align-items: start; }
@media (max-width: 900px) { .cmd-grille { grid-template-columns: 1fr; } }
.cmd-panneau { background: var(--carte); border: 1px solid var(--filet); border-radius: var(--rayon); padding: clamp(18px, 3vw, 28px); display: grid; gap: 20px; }
.cmd-recap { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 84px); background: var(--carte); border: 1px solid var(--filet); border-radius: var(--rayon); padding: 22px; box-shadow: var(--ombre); display: grid; gap: 10px; }
.cmd-recap .ligne { display: flex; justify-content: space-between; gap: 12px; font-size: 0.94rem; }
.cmd-recap .ligne-total { border-top: 1px solid var(--filet); padding-top: 10px; font: 600 1.4rem var(--serif); }
.depot { border: 2px dashed var(--filet); border-radius: var(--rayon); padding: 36px 20px; text-align: center; display: grid; gap: 10px; justify-items: center; transition: border-color 0.15s, background 0.15s; }
.depot.survol { border-color: var(--accent); background: var(--accent-doux); }
.depot input[type="file"] { display: none; }
.choix { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 12px; }
.choix label { cursor: pointer; display: block; border: 1.5px solid var(--filet); border-radius: 12px; padding: 14px 16px; font-weight: 400; background: var(--carte); }
.choix label:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-doux); }
.choix input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choix strong { display: block; font-family: var(--serif); font-size: 1.08rem; }
.choix small { color: var(--encre-2); }
.puces-langues { display: flex; flex-wrap: wrap; gap: 8px; }
.puces-langues label { display: inline-flex; font-weight: 400; cursor: pointer; border: 1.5px solid var(--filet); border-radius: 999px; padding: 6px 14px; font-size: 0.92rem; }
.puces-langues label:has(input:checked) { background: var(--accent); border-color: var(--accent); color: #fff; }
.puces-langues label:has(input:disabled) { opacity: 0.4; cursor: default; }
.puces-langues input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.reglage-ligne { display: grid; gap: 6px; align-content: start; }
.reglage-ligne .aide { font-weight: 400; color: var(--encre-2); font-size: 0.86rem; }
.replier summary { cursor: pointer; font: 600 1.05rem var(--serif); padding: 4px 0; }
.replier[open] summary { margin-bottom: 14px; }
.cmd-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

/* Suivi */
.statut { font: 600 1.3rem var(--serif); }
.travaux, .fichiers { padding-left: 1.2em; }
.fichiers a { font-weight: 600; }

/* Articles */
.article .bloc { padding-block: 12px; }
.article h2 { margin-top: 0.8em; }
.article ul, .article ol { padding-left: 1.3em; }
.article li { margin-bottom: 0.4em; }
.article table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 0.95rem; display: block; overflow-x: auto; }
.article th, .article td { border-bottom: 1px solid var(--filet); padding: 8px 10px; text-align: left; }

/* Pied */
.pied { border-top: 1px solid var(--filet); background: var(--papier-2); padding-block: 44px 24px; margin-top: 40px; font-size: 0.94rem; }
.pied-grille { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; }
@media (max-width: 800px) { .pied-grille { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .pied-grille { grid-template-columns: 1fr; } }
.pied h2 { font: 700 0.8rem var(--sans); text-transform: uppercase; letter-spacing: 0.06em; color: var(--encre-2); margin-bottom: 10px; }
.pied ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pied a { color: var(--encre); text-decoration: none; }
.pied a:hover { color: var(--accent-fonce); text-decoration: underline; }
.pied-accroche { color: var(--encre-2); margin-top: 10px; max-width: 26em; }
.pied-bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid var(--filet); margin-top: 28px; padding-top: 18px; color: var(--encre-2); font-size: 0.84rem; }
@media print { .entete, .pied, .cta { display: none; } }