/* SOS URSSAF — direction « Borne 1 » : une carte d'état-major de la frontière.
   Frontière en tirets violets (convention des cartes), trajet du frontalier en rouge (le seul signal),
   la Moselle en bleu, fond de carte vert-gris. Newsreader (titres, noms de lieux), Alegreya Sans (texte, humaniste comme les écritures de carte),
   chiffres à chasse fixe. */
@font-face { font-family: "Newsreader"; src: url(../fonts/newsreader.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url(../fonts/newsreader-italique.woff2) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Alegreya Sans"; src: url(../fonts/alegreya-sans.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Alegreya Sans"; src: url(../fonts/alegreya-sans-gras.woff2) format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --carte: #E9EDE4; --carte-2: #DEE4D6; --papier: #F7F8F3; --encre: #1F2A36; --gris: #4C5852;
  --relief: #C5CCBB; --front: #8B2F7A; --trajet: #C8321E; --trajet-sombre: #A6280F; --eau: #3D78A8;
  --champ: #7E8A83;
  --titre: "Newsreader", Georgia, serif;
  --texte: "Alegreya Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: var(--texte); /* chiffres et coordonnées : Alegreya Sans à chasse fixe (2 familles maximum) */
  --r: 2px; --max: 1200px; --gout: 24px; --section: 112px;
  --tirets: 14 6 3 6; /* trait mixte des frontières d'État */
}
@media (max-width: 767px) { :root { --section: 72px; } }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 110px; }
body { margin: 0; background: var(--carte); color: var(--encre); font: 400 1.125rem/1.55 var(--texte); font-variant-numeric: lining-nums; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--titre); font-weight: 500; font-optical-sizing: auto; letter-spacing: -0.015em; line-height: 1.06; margin: 0; text-wrap: balance; hyphens: auto; overflow-wrap: break-word; }
h1 { font-size: clamp(2.4rem, 3.6vw, 3.4rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.25rem); }
h3, .h3 { font-size: 1.375rem; line-height: 1.2; }
p, ul, ol { margin: 0; }
ul { padding: 0; }
a { color: inherit; }
.mono { font-family: var(--mono); font-weight: 700; font-variant-numeric: lining-nums tabular-nums; letter-spacing: .03em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--trajet); outline-offset: 2px; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--encre); color: var(--carte); padding: 8px 12px; z-index: 100; }
.skip:focus { top: 8px; }
.conteneur { width: min(100% - 32px, var(--max)); margin-inline: auto; }
.planche { font: italic 400 1.0625rem/1.3 var(--titre); color: var(--gris); margin-bottom: 12px; }

/* Boutons : le rouge du trajet est le seul signal ; il désigne toujours l'action. */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 13px 20px; border-radius: var(--r); font: 700 1rem/1.2 var(--texte); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background-color .2s, color .2s, transform .1s; }
.btn:active { transform: scale(.98); }
.btn .fleche { transition: transform .2s; }
.btn-trajet { background: var(--trajet); color: #fff; }
.btn-encre { background: var(--encre); color: var(--carte); }
@media (hover: hover) {
  .btn:hover .fleche { transform: translateX(4px); }
  .btn-trajet:hover { background: var(--trajet-sombre); }
  .btn-encre:hover { background: #33424F; }
}
.lien { font-weight: 700; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.lien:hover { text-decoration-thickness: 2px; }

/* En-tête : bandeau légal + titre de la carte */
.top { position: sticky; top: 0; z-index: 50; background: var(--carte); border-bottom: 1px solid var(--relief); }
.bandeau { background: var(--encre); color: var(--carte); font-size: .8125rem; line-height: 1.4; text-align: center; padding: 7px 16px; }
.entete { display: flex; align-items: center; gap: 28px; width: min(100% - 32px, var(--max)); margin-inline: auto; min-height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.logo-mark { width: 40px; height: 40px; overflow: visible; }
.lm-s { fill: none; stroke: var(--encre); stroke-width: 2.5; stroke-linecap: round; }
.lm-frontiere { stroke: var(--front); stroke-width: 1.5; stroke-dasharray: 4 1.6 1 1.6; }
.lm-point { fill: var(--trajet); }
.logo-texte { display: flex; flex-direction: column; line-height: 1.1; }
.logo-texte b { font-weight: 700; letter-spacing: .04em; font-size: 1.0625rem; }
.logo-texte small { font-size: .75rem; color: var(--gris); }
.menu { display: flex; align-items: center; gap: 28px; flex: 1; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { text-decoration: none; font-size: .9375rem; }
.nav a:hover { text-decoration: underline; text-underline-offset: 6px; }
.menu-pied { display: flex; align-items: center; gap: 18px; }
.coord { font-size: .75rem; color: var(--gris); }
.langues { display: flex; gap: 2px; font: 500 .8125rem/1 var(--mono); }
.langues a { padding: 13px 8px; text-decoration: none; color: var(--gris); }
.langues a[aria-current] { color: var(--encre); text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 2px; }
.btn-entete { min-height: 42px; padding: 9px 14px; font-size: .9375rem; background: transparent; color: var(--encre); border-color: var(--encre); }
.btn-entete:hover { background: var(--encre); color: var(--carte); }
.top.chaud .btn-entete { background: var(--trajet); border-color: var(--trajet); color: #fff; }
.menu-btn { display: none; }
.propose { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 8px 16px; background: var(--papier); border-bottom: 1px solid var(--relief); font-size: .875rem; }
.propose button { background: none; border: 0; font-size: 1.25rem; line-height: 1; padding: 4px 8px; cursor: pointer; color: var(--gris); }
@media (max-width: 1180px) { .coord { display: none; } }
@media (max-width: 1080px) {
  .entete { justify-content: space-between; min-height: 62px; }
  .menu-btn { display: grid; gap: 7px; place-content: center; width: 48px; height: 48px; margin-right: -12px; background: none; border: 0; cursor: pointer; }
  .menu-btn i { display: block; width: 24px; height: 2px; background: var(--encre); transition: transform .2s; }
  .menu-btn[aria-expanded="true"] i:first-of-type { transform: translateY(4.5px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] i:last-of-type { transform: translateY(-4.5px) rotate(-45deg); }
  .menu { position: fixed; inset: var(--haut-top, 100px) 0 0; background: var(--carte); flex-direction: column; align-items: stretch; justify-content: space-between; gap: 32px; padding: 28px 16px calc(24px + env(safe-area-inset-bottom)); overflow-y: auto; }
  .menu:not(.ouvert) { display: none; }
  .nav { flex-direction: column; gap: 0; margin: 0; }
  .nav a { font: 500 1.875rem/1.2 var(--titre); padding: 12px 0; border-bottom: 1px solid var(--relief); }
  .menu-pied { flex-direction: column; align-items: stretch; gap: 16px; }
  .langues { justify-content: center; font-size: 1rem; }
  .langues a { padding: 12px 16px; }
  .btn-entete, .top .btn-entete { background: var(--trajet); border-color: var(--trajet); color: #fff; min-height: 52px; }
}

/* ---------- Carte n° 1 (hero) ---------- */
.hero { position: relative; min-height: min(760px, calc(100vh - 110px)); overflow: hidden; border-bottom: 1px solid var(--relief); display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; }
.carte { position: absolute; inset: 0; width: 100%; height: 100%; }
.relief path { fill: none; stroke: var(--relief); stroke-width: 1; }
.c-eau { fill: none; stroke: var(--eau); stroke-width: 5; opacity: .75; }
.c-front { fill: none; stroke: var(--front); stroke-width: 2.5; stroke-dasharray: var(--tirets); }
.c-trajet { fill: none; stroke: var(--trajet); stroke-width: 4; stroke-linecap: round; }
#trajet { stroke-dasharray: 1; stroke-dashoffset: 0; }
.c-ville { fill: var(--trajet); }
.c-borne { fill: var(--carte); stroke: var(--front); stroke-width: 2.5; }
.c-borne-t { font: 500 12px var(--mono); fill: var(--front); letter-spacing: .04em; }
.c-ville-t { font: 700 13px var(--texte); fill: var(--encre); paint-order: stroke; stroke: var(--carte); stroke-width: 4px; }
.c-pays { font: italic 400 16px var(--titre); letter-spacing: .24em; text-transform: uppercase; fill: var(--gris); paint-order: stroke; stroke: var(--carte); stroke-width: 5px; }
.c-lu { fill: var(--encre); font-size: 19px; }
.c-eau-t { font: italic 400 15px var(--titre); fill: var(--eau); letter-spacing: .2em; }
.c-note { font: italic 400 17px var(--titre); fill: var(--trajet-sombre); paint-order: stroke; stroke: var(--carte); stroke-width: 5px; }
.cartouche { position: relative; z-index: 2; margin: clamp(28px, 5vw, 64px) 0 40px max(16px, calc((100vw - var(--max)) / 2)); width: min(560px, calc(100% - 32px)); background: var(--carte); border: 1.5px solid var(--encre); box-shadow: 7px 7px 0 var(--encre); padding: clamp(22px, 3vw, 34px); display: grid; gap: 18px; justify-items: start; }
.cartouche-num { font: 500 .75rem/1.4 var(--mono); letter-spacing: .04em; color: var(--gris); }
.h1-l { display: block; }
.hero-sous { font-size: 1.1875rem; max-width: 40ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 4px; }
.legende { position: absolute; z-index: 2; right: 16px; bottom: 24px; background: var(--carte); border: 1px solid var(--encre); padding: 12px 16px; display: grid; gap: 7px; font-size: .8125rem; }
.legende b { font: italic 500 1rem var(--titre); }
.legende span { display: flex; align-items: center; gap: 10px; }
@media (max-width: 900px) {
  .hero { min-height: 0; }
  .carte { position: relative; order: 2; height: 440px; width: 200%; max-width: none; margin-left: -100%; } /* moitié droite de la carte : le trajet et la frontière */
  .cartouche { margin: 24px 16px 8px; box-shadow: 5px 5px 0 var(--encre); }
  .legende { position: relative; order: 3; right: auto; bottom: auto; margin: 0 16px 24px; justify-self: start; }
}

/* ---------- Raccords : le trajet repasse la frontière entre deux planches ---------- */
.raccord { position: relative; height: 140px; }
.raccord svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.r-front { fill: none; stroke: var(--front); stroke-width: 2; stroke-dasharray: var(--tirets); vector-effect: non-scaling-stroke; }
.r-trajet { fill: none; stroke: var(--trajet); stroke-width: 4; stroke-linecap: round; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 0; }
.raccord span { position: absolute; top: 50%; transform: translate(-7px, -7px); padding-left: 24px; font: 500 .75rem/14px var(--mono); color: var(--front); letter-spacing: .04em; white-space: nowrap; }
.raccord span::before { content: ""; position: absolute; left: 0; top: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--carte); border: 2.5px solid var(--front); box-sizing: border-box; }
@media (max-width: 767px) { .raccord { height: 96px; } }

/* ---------- Vous êtes ici (délai) ---------- */
.ici { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gout); align-items: start; }
.ici-texte { grid-column: 1 / span 5; display: grid; gap: 16px; }
.ici-texte p:last-child { color: var(--gris); max-width: 44ch; }
.delai { grid-column: 7 / span 6; display: grid; gap: 20px; }
@media (max-width: 1023px) { .ici-texte, .delai { grid-column: 1 / -1; } }
.choix { display: grid; grid-template-columns: 1fr 1fr; border: 0; margin: 0; padding: 0; border-top: 1px solid var(--encre); }
.choix label { position: relative; display: flex; border-bottom: 1px solid var(--relief); }
.choix label:nth-child(odd) { border-right: 1px solid var(--relief); }
.choix label:last-of-type { grid-column: 1 / -1; border-right: 0; }
.choix input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choix span { flex: 1; display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 10px 12px; font-size: .9375rem; line-height: 1.3; }
.choix span::before { content: ""; flex: none; width: 14px; height: 14px; border: 1.5px solid var(--encre); border-radius: 50%; background: var(--carte); }
.choix label:hover span { background: var(--carte-2); }
.choix input:checked + span { font-weight: 700; }
.choix input:checked + span::before { background: var(--trajet); border-color: var(--trajet); box-shadow: inset 0 0 0 3px var(--carte); }
.choix input:focus-visible + span { outline: 2px solid var(--trajet); outline-offset: -2px; }
.champ-date { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .9375rem; }
.champ-date input { font: 500 1rem var(--mono); color: var(--encre); background: var(--papier); border: 1px solid var(--champ); border-radius: var(--r); padding: 10px 12px; min-height: 46px; }
.delai-erreur { color: #A11D14; font-size: .875rem; }
/* Échelle graphique de carte : segments alternés, repère « Vous êtes ici » */
.echelle { position: relative; padding-top: 46px; }
.echelle-barre { position: relative; height: 12px; border: 1.5px solid var(--encre); background: repeating-linear-gradient(90deg, var(--encre) 0 10%, var(--papier) 10% 20%); }
.echelle-fait { position: absolute; inset: 0; background: color-mix(in srgb, var(--trajet) 55%, transparent); transform-origin: left; transform: scaleX(var(--p, 0)); }
/* Le repère occupe toute la largeur et glisse avec transform (pas d'animation de mise en page) ; son contenu est recentré sur son bord gauche. */
.echelle-ici { position: absolute; top: 0; left: 0; width: 100%; display: grid; justify-items: start; transform: translateX(var(--fait, 0%)); }
.echelle-ici span { translate: -50% 0; font: italic 500 .9375rem/1 var(--titre); color: var(--trajet-sombre); white-space: nowrap; padding-bottom: 6px; }
.echelle-ici::after { content: ""; translate: -50% 0; width: 0; height: 0; border: 8px solid transparent; border-top: 12px solid var(--trajet); border-bottom: 0; } /* triangle du repère */
.echelle.vide .echelle-ici { visibility: hidden; }
.echelle.vide { padding-top: 12px; }
.echelle-bornes { display: flex; justify-content: space-between; margin-top: 8px; font: 500 .75rem var(--mono); color: var(--gris); }
.delai-resultat { display: flex; align-items: baseline; gap: 10px; }
.c-nombre { font-size: clamp(3rem, 6vw, 4.5rem); line-height: 1; }
.c-unite { font: italic 400 1.5rem var(--titre); }
.delai-resultat.urgent .c-nombre { color: var(--trajet); }
.delai-resultat.sans-nombre { display: none; }
.delai-texte { font-weight: 700; }
.delai .btn { justify-self: start; }
.mention { font-size: .8125rem; color: var(--gris); }
@media (max-width: 480px) { .choix { grid-template-columns: 1fr; } .choix label:nth-child(odd) { border-right: 0; } }

/* ---------- Légende (ce qui ne change pas) ---------- */
.legende-grande { margin-top: var(--section); }
.legende-grande ul { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1.5px solid var(--encre); }
.legende-grande li { display: grid; grid-template-columns: 24px 1fr; gap: 2px 12px; align-content: start; padding: 20px 20px 22px; border-left: 1px solid var(--relief); }
.legende-grande li:first-child { border-left: 0; padding-left: 0; }
.legende-grande svg { grid-row: span 2; width: 24px; height: 24px; margin-top: 1px; }
.legende-grande b { font-weight: 700; }
.legende-grande span { font-size: .875rem; color: var(--gris); }
.s-trajet { fill: var(--trajet); } .s-encre { fill: none; stroke: var(--encre); stroke-width: 2; }
.s-front { stroke: var(--front); stroke-width: 2.5; stroke-dasharray: 5 2 1.5 2; } .s-eau { fill: none; stroke: var(--eau); stroke-width: 3; }
@media (max-width: 900px) { .legende-grande ul { grid-template-columns: 1fr 1fr; } .legende-grande li:nth-child(odd) { border-left: 0; padding-left: 0; } .legende-grande li:nth-child(n+3) { border-top: 1px solid var(--relief); } }
@media (max-width: 480px) { .legende-grande ul { grid-template-columns: 1fr; } .legende-grande li { border-left: 0; padding-left: 0; } .legende-grande li + li { border-top: 1px solid var(--relief); } }

/* ---------- Itinéraire (une défense à chaque étape) ---------- */
.etapes-tete { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 0 var(--gout); margin-bottom: 48px; }
.etapes-tete .planche, .etapes-tete h2 { grid-column: 1 / span 7; }
.etapes-tete p:last-child { grid-column: 8 / span 5; grid-row: 2; align-self: end; color: var(--gris); }
.frise { list-style: none; margin: 0; padding: 0; display: grid; position: relative; }
.frise li { display: grid; gap: 10px; align-content: start; position: relative; }
.frise li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--carte); border: 3px solid var(--trajet); box-sizing: border-box; position: relative; z-index: 1; }
.frise li:last-child::before { background: var(--trajet); }
.frise p { color: var(--gris); }
@media (min-width: 1024px) {
  .etapes-epingle { display: flex; flex-direction: column; justify-content: center; padding-block: 24px; }
  .etapes-epingle:has(.epinglee) { min-height: calc(100vh - 110px); }
  .frise-fenetre { overflow-x: auto; }
  .frise-fenetre.epinglee { overflow: hidden; }
  .frise { grid-auto-flow: column; grid-auto-columns: 320px; padding-left: max(16px, calc((100vw - var(--max)) / 2)); padding-right: 16vw; width: max-content; }
  .frise::before { content: ""; position: absolute; top: 8px; left: 0; right: 0; height: 4px; background: var(--trajet); }
  .frise li { padding: 0 40px 24px 0; }
  .frise li::before { margin-bottom: 14px; }
}
@media (max-width: 1023px) {
  .etapes-tete .planche, .etapes-tete h2, .etapes-tete p:last-child { grid-column: 1 / -1; grid-row: auto; margin-top: 12px; }
  .frise-fenetre { width: min(100% - 32px, var(--max)); margin-inline: auto; }
  .frise::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 30px; width: 4px; background: var(--trajet); }
  .frise li { grid-template-columns: 18px 1fr; column-gap: 20px; padding-bottom: 28px; }
  .frise li > * { grid-column: 2; }
  .frise li::before { grid-row: 1; margin-top: 3px; }
}

/* ---------- Atlas (domaines) ---------- */
.atlas-tete { margin-bottom: 40px; }
.atlas-grille { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gout); }
/* Feuille d'atlas : double filet d'encadrement, comme le cadre d'une carte imprimée. */
.feuille { min-width: 0; grid-column: span 4; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; align-content: start; padding: 30px 28px 26px; background: var(--papier); border: 1px solid var(--encre); box-shadow: inset 0 0 0 5px var(--papier), inset 0 0 0 6px var(--encre); }
.feuille.large { grid-column: span 8; background: var(--papier) repeating-radial-gradient(ellipse at 88% 18%, transparent 0 26px, color-mix(in srgb, var(--relief) 70%, transparent) 26px 27px); }
.feuille.large .h3, .feuille.large h3 { font-size: clamp(1.625rem, 2.6vw, 2.25rem); max-width: 20ch; }
.feuille.large p { max-width: 54ch; }
.feuille-num { font: italic 400 1rem var(--titre); color: var(--gris); }
.feuille details { border-top: 1px solid var(--relief); padding-top: 12px; margin-top: 4px; }
.feuille summary { cursor: pointer; font-weight: 700; font-size: .9375rem; list-style: none; display: inline-flex; gap: 8px; align-items: center; min-height: 44px; }
.feuille summary::-webkit-details-marker { display: none; }
.feuille summary::after { content: "+"; font: 500 1.125rem/1 var(--mono); transition: transform .2s; }
.feuille details[open] summary::after { transform: rotate(45deg); }
.feuille details ul { margin-top: 12px; padding-left: 18px; display: grid; gap: 6px; font-size: .9375rem; }
.atlas-doute { grid-column: span 4; align-self: center; padding: 8px 4px; font: italic 400 1.1875rem/1.45 var(--titre); color: var(--gris); }
.atlas-doute .lien { font: 700 1rem var(--texte); color: var(--encre); display: inline-block; margin-top: 6px; }
@media (max-width: 1023px) { .feuille, .atlas-doute { grid-column: span 6; } .feuille.large { grid-column: 1 / -1; } }
@media (max-width: 640px) { main { hyphens: auto; overflow-wrap: anywhere; } .feuille, .feuille.large, .atlas-doute { grid-column: 1 / -1; } .feuille { padding: 24px 20px 22px; } }

/* ---------- Frontière (détachement) : la page coupée en deux ---------- */
.frontiere { background: var(--carte-2); border-block: 1px solid var(--relief); padding-block: var(--section); }
.frontiere-tete { display: grid; gap: 16px; max-width: 800px; margin-bottom: 56px; }
.frontiere-tete p:last-child { color: var(--gris); }
.frontiere-split { display: grid; grid-template-columns: 1fr 4px 1fr; gap: 0 48px; }
.cote h3, .cote .h3 { font-style: italic; letter-spacing: .02em; margin-bottom: 18px; }
.cote ul { list-style: none; }
.cote li { position: relative; padding: 13px 0 13px 22px; border-top: 1px solid var(--relief); }
.cote li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--encre); }
/* Zone de résidence hachurée, comme une zone sur une carte */
.cote-residence { background: repeating-linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--front) 10%, transparent) 9px 10px); padding: 0 16px 16px; margin-left: -16px; }
.ligne-frontiere { background: repeating-linear-gradient(to bottom, var(--front) 0 14px, transparent 14px 20px, var(--front) 20px 23px, transparent 23px 29px); width: 3px; justify-self: center; position: relative; }
.ligne-frontiere i { position: absolute; left: 50%; top: -9px; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; background: var(--carte-2); border: 3px solid var(--front); }
.frontiere-pied { display: grid; gap: 14px; justify-items: start; max-width: 64ch; margin-top: 56px; color: var(--gris); }
.frontiere-pied .btn { margin-top: 8px; }
@media (max-width: 800px) {
  .frontiere-split { grid-template-columns: 1fr; gap: 0; }
  .ligne-frontiere { width: 100%; height: 3px; margin: 32px 0; background: repeating-linear-gradient(to right, var(--front) 0 14px, transparent 14px 20px, var(--front) 20px 23px, transparent 23px 29px); }
  .ligne-frontiere i { left: 0; top: -8px; margin: 0; }
}

/* ---------- Cartouche de l'offre ---------- */
.offre { margin-top: var(--section); }
.offre-cartouche { background: var(--papier); border: 1.5px solid var(--encre); box-shadow: inset 0 0 0 6px var(--papier), inset 0 0 0 7px var(--encre), 8px 8px 0 var(--encre); padding: clamp(26px, 4vw, 56px); display: grid; gap: 40px; }
.offre-tete { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px 48px; flex-wrap: wrap; }
.offre-tete > div { display: grid; max-width: 60ch; }
.offre-intro { margin-top: 14px; }
.offre-prix { font: 500 clamp(4.5rem, 10vw, 8rem)/.85 var(--titre); letter-spacing: -0.03em; font-variant-numeric: lining-nums; }
.offre-cols { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--encre); }
.offre-cols > div { padding: 26px 26px 0; border-left: 1px solid var(--relief); display: grid; gap: 14px; align-content: start; }
.offre-cols > div:first-child { border-left: 0; padding-left: 0; }
.offre-cols ul { padding-left: 18px; display: grid; gap: 8px; font-size: .9375rem; }
.offre-engagement { font: italic 400 1.375rem/1.3 var(--titre); }
.offre-cols p:not(.offre-engagement) { font-size: .9375rem; color: var(--gris); }
.offre-pied { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; }
@media (max-width: 860px) { .offre-cols { grid-template-columns: 1fr; } .offre-cols > div { border-left: 0; padding: 24px 0 0; } .offre-cols > div + div { border-top: 1px solid var(--relief); margin-top: 24px; } .offre-cartouche { box-shadow: inset 0 0 0 6px var(--papier), inset 0 0 0 7px var(--encre), 5px 5px 0 var(--encre); } }

/* ---------- Méthode : quatre arrêts sur le trajet ---------- */
.methode { margin-top: var(--section); }
.methode-tete { margin-bottom: 48px; }
.methode-corps { position: relative; max-width: 820px; }
.methode-trait { position: absolute; left: 11px; top: 12px; width: 4px; height: calc(100% - 60px); overflow: visible; }
.methode-trait line { stroke: var(--trajet); stroke-width: 4; stroke-dasharray: 1; stroke-dashoffset: 0; }
.methode-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 40px; }
.methode-liste li { display: grid; grid-template-columns: 26px 1fr; gap: 24px; }
.arret { width: 26px; height: 26px; border-radius: 50%; background: var(--carte); border: 4px solid var(--trajet); position: relative; z-index: 1; margin-top: 2px; }
.arret.fin { background: var(--trajet); }
.methode-liste h3, .methode-liste .h3 { margin-bottom: 8px; }
.methode-liste p { color: var(--gris); max-width: 60ch; }

/* ---------- Bordereau d'envoi (formulaire) ---------- */
.verifier { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gout); align-items: start; scroll-margin-top: 110px; }
.verifier-texte { grid-column: 1 / span 4; display: grid; gap: 16px; position: sticky; top: 140px; }
.verifier-texte > p:not(.planche) { color: var(--gris); }
.verifier-texte .h3, .verifier-texte h3 { font: 700 1rem/1.4 var(--texte); letter-spacing: 0; margin-top: 12px; }
.verifier-texte ul { padding-left: 18px; display: grid; gap: 6px; font-size: .9375rem; }
.formulaire { grid-column: 6 / span 7; background: var(--papier); border: 1px solid var(--encre); box-shadow: inset 0 0 0 5px var(--papier), inset 0 0 0 6px var(--encre), 0 18px 36px -24px rgba(31,42,54,.45); padding: clamp(22px, 3vw, 40px); }
@media (max-width: 1023px) { .verifier-texte, .formulaire { grid-column: 1 / -1; } .verifier-texte { position: static; } }
.bordereau-tete { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-bottom: 14px; margin-bottom: 22px; border-bottom: 1.5px solid var(--encre); font: italic 500 1.25rem var(--titre); }
.bordereau-tete .mono { font: 500 .75rem var(--mono); color: var(--gris); align-self: center; font-style: normal; }
.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; margin-bottom: 24px; }
.champ { display: grid; gap: 6px; align-content: start; min-width: 0; }
.champ.plein { grid-column: 1 / -1; }
@media (max-width: 560px) { .champs { grid-template-columns: 1fr; } }
.champ label, .champ .label { font-weight: 700; font-size: .9375rem; }
.champ abbr { text-decoration: none; color: var(--gris); }
.champ input:not([type=checkbox]):not([type=file]), .champ select, .champ textarea { width: 100%; font: 400 1rem/1.4 var(--texte); color: var(--encre); background: #fff; border: 1px solid var(--champ); border-radius: var(--r); padding: 11px 12px; min-height: 48px; }
.champ textarea { resize: vertical; }
.champ input:hover, .champ select:hover, .champ textarea:hover { border-color: var(--encre); }
.champ [aria-invalid="true"] { border-color: #A11D14 !important; box-shadow: inset 0 0 0 1px #A11D14; }
.err { color: #A11D14; font-size: .8125rem; }
.err:empty { display: none; }
.piege { position: absolute; left: -9999px; }
.case { grid-template-columns: 22px 1fr; column-gap: 12px; align-items: start; }
.case input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--encre); }
.case label { font-weight: 400; font-size: .875rem; color: var(--gris); }
.case .err { grid-column: 2; }
/* Zone de dépôt (adaptée de 21st.dev « File Upload Multi-File Dropzone ») : zone hachurée */
.depot { position: relative; display: grid; place-items: center; text-align: center; padding: 30px 16px; border: 1.5px dashed var(--champ); border-radius: var(--r); background: repeating-linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--relief) 45%, transparent) 9px 10px); transition: border-color .2s, background-color .2s; }
.depot.survol { border-color: var(--trajet); background-color: color-mix(in srgb, var(--trajet) 8%, transparent); }
.depot input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.depot .lien { position: relative; z-index: 1; cursor: pointer; }
.depot:focus-within { outline: 2px solid var(--trajet); outline-offset: 2px; }
.aide { font-size: .8125rem; color: var(--gris); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.fichiers { list-style: none; display: grid; gap: 8px; }
.fichiers li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--relief); background: #fff; font-size: .9375rem; }
.fichiers .nom { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fichiers .mono { font-size: .8125rem; color: var(--gris); }
.fichiers button { background: none; border: 0; padding: 6px 8px; font: 700 .875rem var(--texte); color: var(--encre); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.envoi-etat { margin-top: 12px; font-size: .9375rem; }
.envoi-etat.erreur { color: #A11D14; }
.confirmation { display: grid; gap: 16px; justify-items: start; }
.confirmation h3 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
.confirmation:focus { outline: none; }

/* ---------- Renvois (FAQ, adaptée de 21st.dev « Ghost Accordion » : indicateur + / ×) ---------- */
.faq { max-width: 880px; margin-top: var(--section); margin-bottom: var(--section); }
.faq h2 { margin-bottom: 28px; }
.accordeon details { border-bottom: 1px solid var(--relief); }
.accordeon details:first-child { border-top: 1.5px solid var(--encre); }
.accordeon summary { display: grid; grid-template-columns: 1fr 24px; align-items: baseline; gap: 12px; padding: 20px 0; cursor: pointer; list-style: none; font: 500 1.3125rem/1.3 var(--titre); }
.accordeon summary::-webkit-details-marker { display: none; }
.accordeon summary::after { content: "+"; font: 500 1.375rem/1 var(--mono); justify-self: end; color: var(--trajet); transition: transform .2s; }
.accordeon details[open] summary::after { transform: rotate(45deg); }
.accordeon summary:hover { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.accordeon details p { padding: 0 32px 24px 0; color: var(--gris); max-width: 70ch; }

/* ---------- Colophon (pied de page) ---------- */
.pied { background: var(--encre); color: #CBD3CE; padding-block: 56px 40px; font-size: .9375rem; }
.pied-grille { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 32px var(--gout); align-items: start; }
.pied img { grid-column: 1 / span 3; height: 40px; width: auto; }
.pied address { grid-column: 4 / span 3; font-style: normal; line-height: 1.7; }
.colophon { grid-column: 7 / span 3; margin: 0; display: grid; gap: 10px; }
.colophon dt { font: italic 400 .9375rem var(--titre); color: #AEB8B2; }
.colophon dd { margin: 0; }
.pied-liens { grid-column: 10 / span 3; display: grid; gap: 0; justify-items: start; }
.pied-liens a { padding-block: 10px; }
.pied-liens a { color: var(--carte); }
.pied-rappel { grid-column: 1 / -1; padding-top: 24px; border-top: 1px dashed rgba(233,237,228,.3); font-size: .8125rem; color: #AEB8B2; }
@media (max-width: 900px) { .pied img, .pied address, .colophon, .pied-liens { grid-column: 1 / -1; } }

/* ---------- Pages légales ---------- */
.legal { max-width: 760px; padding-block: 64px var(--section); display: grid; gap: 16px; }
.legal h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.legal h2 { font-size: 1.375rem; margin-top: 24px; }

/* ---------- Pages : première section, tableau d'assemblage, carte suivante ---------- */
main > section:first-child:not(.hero):not(.frontiere) { padding-top: clamp(40px, 6vw, 80px); margin-top: 0; }
.page-detachement .frontiere { border-top: 0; padding-top: clamp(40px, 6vw, 80px); }
.page-faq .faq, .page-verifier .verifier { margin-bottom: var(--section); }
.assemblage { margin-bottom: var(--section); display: grid; gap: 36px; }
.assemblage-intro { color: var(--gris); max-width: 52ch; margin-top: 4px; }
/* Tableau d'assemblage : la grille des feuilles posée sur un fond de relief continu. */
.assemblage-carte { position: relative; border: 1.5px solid var(--encre); background:
  repeating-radial-gradient(ellipse at 22% 30%, transparent 0 30px, color-mix(in srgb, var(--relief) 80%, transparent) 30px 31px),
  repeating-radial-gradient(ellipse at 78% 75%, transparent 0 36px, color-mix(in srgb, var(--relief) 60%, transparent) 36px 37px), var(--carte); }
.assemblage-grille { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.assemblage-grille li { border-right: 1px dashed color-mix(in srgb, var(--encre) 45%, transparent); border-bottom: 1px dashed color-mix(in srgb, var(--encre) 45%, transparent); }
.assemblage-grille li:nth-child(3n) { border-right: 0; }
.assemblage-grille li:nth-last-child(-n+3) { border-bottom: 0; }
.assemblage-grille a { position: relative; z-index: 2; display: grid; gap: 6px; align-content: start; height: 100%; min-height: 170px; padding: 22px 24px 26px; text-decoration: none; transition: background-color .25s; }
.assemblage-grille b { font: 500 1.625rem/1.15 var(--titre); letter-spacing: -0.01em; }
.assemblage-grille a > span:last-child { color: var(--gris); font-size: 1rem; max-width: 30ch; }
.assemblage-grille a > span:first-child { font: italic 400 1rem var(--titre); color: var(--gris); }
.assemblage-grille a:hover { background: color-mix(in srgb, var(--papier) 85%, transparent); }
.assemblage-grille a:hover b { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.assemblage-cta a { background: var(--trajet); color: #fff; }
.assemblage-cta a:hover { background: var(--trajet-sombre); }
.assemblage-cta a > span:first-child, .assemblage-cta a > span:last-child { color: #fff; }
@media (max-width: 900px) {
  .assemblage-grille { grid-template-columns: 1fr 1fr; }
  .assemblage-grille li:nth-child(3n) { border-right: 1px dashed color-mix(in srgb, var(--encre) 45%, transparent); }
  .assemblage-grille li:nth-child(2n) { border-right: 0; }
  .assemblage-grille li:nth-last-child(-n+3) { border-bottom: 1px dashed color-mix(in srgb, var(--encre) 45%, transparent); }
  .assemblage-grille li:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 520px) {
  .assemblage-grille { grid-template-columns: 1fr; }
  .assemblage-grille li, .assemblage-grille li:nth-child(n) { border-right: 0; border-bottom: 1px dashed color-mix(in srgb, var(--encre) 45%, transparent); }
  .assemblage-grille li:last-child { border-bottom: 0; }
  .assemblage-grille a { min-height: 0; }
  }
.nav a[aria-current] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }

/* ---------- Animations de carte (pilotées par GSAP ; sans JS ou en mouvement réduit, tout est visible et immobile) ---------- */
.relief path, #moselle, .m-trace { stroke-dasharray: 1; stroke-dashoffset: 0; }
.m-trace { fill: none; stroke: #fff; stroke-width: 14; }
.c-voyageur { fill: var(--carte); stroke: var(--trajet); stroke-width: 3; opacity: 0; }
.c-onde { fill: none; stroke: var(--front); stroke-width: 2; opacity: 0; }
.r-voyageur { position: absolute; left: 0; top: 0; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: var(--carte); border: 3px solid var(--trajet); opacity: 0; pointer-events: none; }
.raccord span::before { transition: background-color .3s, transform .3s; }
.raccord span.atteinte::before { background: var(--front); transform: scale(1.2); }
/* Filet de frontière sous les titres de section */
main section:not(.hero) :is(h1, h2):not(.h3)::after { content: ""; display: block; width: 76px; height: 3px; margin-top: 18px; background: repeating-linear-gradient(90deg, var(--front) 0 14px, transparent 14px 20px, var(--front) 20px 23px, transparent 23px 29px); transform-origin: left; transform: scaleX(var(--filet, 1)); }
.arret { transition: background-color .35s; }
.arret.atteint { background: var(--trajet); }
/* Atlas : la planche se soulève comme une feuille posée sur la table */
@media (hover: hover) {
  .feuille { transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s, background-position .8s cubic-bezier(.2, .8, .2, 1); }
  .feuille:hover { transform: perspective(1200px) translate(-3px, -3px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); box-shadow: inset 0 0 0 5px var(--papier), inset 0 0 0 6px var(--encre), 5px 5px 0 var(--encre); }
  .feuille.large:hover { background-position: -18px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* Carte n° 3 en relief (relief.js) */
.frontiere-haut { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 32px; align-items: center; margin-bottom: 56px; }
.frontiere-haut .frontiere-tete { margin-bottom: 0; }
.relief3d { position: relative; height: clamp(360px, 38vw, 540px); opacity: 0; transition: opacity .8s; }
.relief3d.pret { opacity: 1; }
.relief3d canvas { display: block; width: 100%; height: 100%; }
.relief3d span { position: absolute; left: 0; top: 0; white-space: nowrap; pointer-events: none; translate: -50% -50%; }
.r3-pays { font: italic 400 15px/1 var(--titre); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); }
.r3-ville { font-size: 12px; font-weight: 700; color: var(--encre); background: var(--carte-2); padding: 3px 7px; border: 1px solid var(--relief); translate: -50% -130% !important; }
.r3-borne { font-size: 11px; color: var(--front); translate: calc(-100% - 12px) -50% !important; }
@media (max-width: 900px) {
  .frontiere-haut { grid-template-columns: 1fr; }
  .relief3d { height: 320px; margin: 0 -16px; }
}
@media (max-width: 500px) { .r3-pays { font-size: 12px; } .r3-ville { font-size: 11px; } }

/* Méthode : dossier en 3D (CSS), piloté par data-etape (0 → 4) */
.methode-grille { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 460px); gap: 56px; align-items: start; }
.dossier3d { position: sticky; top: calc(50vh - 230px); height: 460px; margin: 0; perspective: 1400px; --tx: 0; --ty: 0; }
.d3-plateau { position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateX(calc(50deg + var(--ty) * 8deg)) rotateZ(calc(-24deg + var(--tx) * 8deg)); transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.d3-chemise, .d3-feuille, .d3-route { position: absolute; left: 50%; top: 50%; }
.d3-chemise { width: 300px; height: 390px; margin: -195px 0 0 -150px; background: var(--encre); border-radius: 2px; box-shadow: 0 30px 60px -20px rgb(31 42 54 / .5); }
.d3-chemise span { position: absolute; top: -26px; left: 18px; padding: 6px 14px; background: var(--encre); color: var(--carte); font: 700 11px/1 var(--texte); letter-spacing: .14em; border-radius: 2px 2px 0 0; }
.d3-route { width: 560px; height: 460px; margin: -230px 0 0 -280px; overflow: visible; transform: translateZ(20px); pointer-events: none; }
.d3-route path { fill: none; stroke: var(--trajet); stroke-width: 3.5; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.2s ease; }
.d3-feuille { width: 260px; height: 350px; margin: -175px 0 0 -130px; padding: 26px 24px; background: var(--papier); border-radius: 2px; transform-style: preserve-3d;
  box-shadow: 0 1px 0 var(--relief), 0 18px 30px -18px rgb(31 42 54 / .45); transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.d3-tete { margin: 0 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--encre); }
.d3-tete b { font: 700 10px/1.2 var(--texte); letter-spacing: .1em; text-transform: uppercase; color: var(--encre); }
.d3-feuille > i:not([class^="an-"]):not(.d3-loupe) { display: block; height: 5px; margin: 0 0 13px; background: var(--relief); border-radius: 1px; }
.d3-feuille > i.c { width: 62%; }
.d3-total { position: absolute; left: 24px; right: 24px; top: 72%; display: flex; justify-content: space-between; align-items: center; margin: 0; }
.d3-total span { width: 45%; height: 5px; background: var(--relief); }
.d3-total em { width: 64px; height: 12px; background: var(--encre); border-radius: 1px; }
.f1 { transform: translateZ(6px); } .f2 { transform: translateZ(4px) rotateZ(3deg); } .f3 { transform: translateZ(2px) rotateZ(-4deg); }
.an-souligne { position: absolute; left: 22px; top: 133px; width: 150px; height: 3px; background: var(--trajet); transform: scaleX(0); transform-origin: left; transition: transform .6s .1s ease; }
.an-cercle { position: absolute; right: 12px; top: calc(72% - 13px); width: 90px; height: 38px; border: 2.5px solid var(--trajet); border-radius: 50%; opacity: 0; transform: scale(.6) rotate(-6deg); transition: .5s .4s ease; }
.an-coches { position: absolute; right: -26px; top: 64px; width: 18px; height: 54px; overflow: visible; }
.an-coches path { fill: none; stroke: var(--trajet); stroke-width: 2.5; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .6s .7s ease; }
.d3-loupe { position: absolute; left: 120px; top: 205px; width: 110px; height: 110px; border-radius: 50%; border: 7px solid var(--encre); background: radial-gradient(circle at 35% 30%, rgb(255 255 255 / .55), rgb(255 255 255 / .12) 60%); transform: translateZ(70px) scale(.4); opacity: 0; transition: .7s cubic-bezier(.2, .7, .2, 1); }
.d3-loupe::after { content: ""; position: absolute; left: 88%; top: 88%; width: 60px; height: 12px; background: var(--encre); border-radius: 6px; transform: rotate(45deg); transform-origin: left; }
.d3-tampon { position: absolute; left: 40px; top: 150px; margin: 0; padding: 10px 18px 8px; border: 3px solid var(--trajet); color: var(--trajet); font: 700 26px/1 var(--titre); letter-spacing: .08em; text-transform: uppercase; text-align: center;
  transform: translateZ(40px) rotate(-12deg) scale(1.8); opacity: 0; transition: transform .35s cubic-bezier(.5, 0, .6, 1.4), opacity .2s; mix-blend-mode: multiply; }
.d3-tampon small { display: block; margin-top: 4px; font: 700 9px/1 var(--texte); letter-spacing: .3em; }
/* 1 · Diagnostic : les pièces s'étalent, la loupe se pose. */
[data-etape="1"] .f3 { transform: translate(-150px, -60px) translateZ(2px) rotateZ(-14deg); }
[data-etape="1"] .f2 { transform: translate(-70px, -26px) translateZ(4px) rotateZ(-6deg); }
[data-etape="1"] .f1 { transform: translate(50px, 16px) translateZ(6px) rotateZ(4deg); }
[data-etape="1"] .d3-loupe { opacity: 1; transform: translateZ(70px); }
/* 2 · Audit : annotations rouges. */
[data-etape="2"] .f3 { transform: translate(-150px, -60px) translateZ(2px) rotateZ(-14deg); }
[data-etape="2"] .f2 { transform: translate(-70px, -26px) translateZ(4px) rotateZ(-6deg); }
[data-etape="2"] .f1, [data-etape="3"] .f1 { transform: translate(50px, 16px) translateZ(6px) rotateZ(4deg); }
[data-etape="2"] .an-souligne, [data-etape="3"] .an-souligne, [data-etape="4"] .an-souligne { transform: none; }
[data-etape="2"] .an-cercle, [data-etape="3"] .an-cercle, [data-etape="4"] .an-cercle { opacity: 1; transform: none; }
[data-etape="2"] .an-coches path, [data-etape="3"] .an-coches path, [data-etape="4"] .an-coches path { stroke-dashoffset: 0; }
/* 3 · Stratégie : les pièces se rangent dans l'ordre, le trajet de la défense les relie. */
[data-etape="3"] .f3 { transform: translate(-190px, 90px) translateZ(2px) rotateZ(-2deg) scale(.82); }
[data-etape="3"] .f2 { transform: translate(-60px, 20px) translateZ(4px) rotateZ(1deg) scale(.86); }
[data-etape="3"] .f1 { transform: translate(90px, -70px) translateZ(6px) rotateZ(3deg) scale(.9); }
[data-etape="3"] .d3-route path, [data-etape="4"] .d3-route path { stroke-dashoffset: 0; }
/* 4 · Résolution : le dossier se referme, tamponné. */
[data-etape="4"] .d3-route { opacity: .25; transition: opacity .6s; }
[data-etape="4"] .d3-tampon { opacity: 1; transform: translateZ(8px) rotate(-12deg); }
@media (max-width: 1100px) {
  .methode-grille { grid-template-columns: 1fr; gap: 0; }
  .dossier3d { order: -1; position: relative; top: 0; height: 330px; margin: -24px 0 8px; }
  .d3-plateau { scale: .62; }
}
@media (min-width: 1101px) { .methode-liste { gap: clamp(40px, 18vh, 180px); padding-bottom: 20vh; } }
@media (prefers-reduced-motion: reduce) { .dossier3d * { transition: none !important; } }

/* Planches : plis de la carte (très légers) et reflet qui suit le pointeur */
.feuille { position: relative; }
.feuille::after { content: ""; position: absolute; inset: 6px; pointer-events: none;
  background: linear-gradient(90deg, transparent calc(50% - 1px), rgb(31 42 54 / .06) 50%, rgb(255 255 255 / .5) calc(50% + 1px), transparent calc(50% + 2px)),
    linear-gradient(90deg, transparent 50%, rgb(31 42 54 / .018) 50%); }
.feuille::before, .offre-cartouche::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 50%), rgb(255 255 255 / .55), transparent 45%); mix-blend-mode: soft-light; }
.feuille:hover::before, .offre-cartouche:hover::before { opacity: 1; }
/* Tarif : le cartouche a du relief, le prix flotte au-dessus */
.offre-cartouche { position: relative; transform: perspective(1400px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transform-style: preserve-3d; transition: transform .5s cubic-bezier(.2, .7, .2, 1); }
.offre-prix { transform: translateZ(50px); }
.offre-cols, .offre-pied { transform: translateZ(18px); }

/* Vérifier : enveloppe en 3D */
.depot:has(.enveloppe) { grid-template-columns: auto minmax(0, 1fr); justify-items: start; align-items: center; text-align: left; gap: 8px 20px; }
.depot:has(.enveloppe) > :not(.enveloppe):not(input) { grid-column: 2; }
.enveloppe { width: 190px; height: 150px; margin: 0; perspective: 1000px; pointer-events: none; }
.env-corps { position: relative; width: 280px; height: 170px; margin: 0; transform-style: preserve-3d; transform-origin: 0 0; transform: translate(4px, 58px) scale(.64) rotateX(12deg) rotateY(-16deg) rotateZ(-3deg); }
.env-dos, .env-face, .env-rabat, .env-pieces { position: absolute; inset: 0; }
.env-dos { background: var(--carte-2); border: 1px solid var(--relief); }
.env-face { transform: translateZ(4px); background: linear-gradient(160deg, var(--papier), var(--carte)); border: 1px solid var(--relief); clip-path: polygon(0 0, 50% 46%, 100% 0, 100% 100%, 0 100%); box-shadow: 0 24px 40px -22px rgb(31 42 54 / .5); }
.env-adresse { position: absolute; left: 22px; bottom: 20px; font-size: 11px; line-height: 1.4; color: var(--gris); }
.env-adresse b { display: block; font: 700 13px/1.3 var(--texte); letter-spacing: .08em; color: var(--encre); }
.env-timbre { position: absolute; right: 16px; bottom: 18px; padding: 10px 8px; border: 2px dotted var(--trajet); color: var(--trajet); font: 500 15px/1 var(--titre); background: var(--papier); }
.env-cachet { position: absolute; right: 28px; bottom: 14px; width: 62px; height: 62px; border-radius: 50%; border: 2px solid var(--encre);
  background: repeating-linear-gradient(0deg, transparent 0 8px, var(--encre) 8px 9.5px); -webkit-mask: radial-gradient(circle, #000 60%, transparent 61%); opacity: 0; transform: rotate(-18deg) scale(1.6); transition: .4s .7s cubic-bezier(.5, 0, .6, 1.4); mix-blend-mode: multiply; }
.env-pieces { transform: translateZ(2px); }
.env-pieces i { position: absolute; left: 14px; right: 14px; top: 10px; height: 150px; background: var(--papier) repeating-linear-gradient(transparent 0 14px, var(--relief) 14px 15.5px) 0 28px / 100% calc(100% - 40px) no-repeat; border: 1px solid var(--relief);
  transform: translateY(0); opacity: 0; transition: transform .6s cubic-bezier(.2, .8, .2, 1.2), opacity .2s; }
.env-pieces i::before { content: ""; position: absolute; left: 12px; top: 10px; width: 46%; height: 6px; background: var(--encre); }
.env-pieces i:nth-child(2) { left: 18px; right: 10px; } .env-pieces i:nth-child(3) { left: 10px; right: 18px; } .env-pieces i:nth-child(4) { left: 20px; right: 12px; } .env-pieces i:nth-child(5) { left: 12px; right: 20px; }
.enveloppe[data-n="1"] i:nth-child(-n+1), .enveloppe[data-n="2"] i:nth-child(-n+2), .enveloppe[data-n="3"] i:nth-child(-n+3),
.enveloppe[data-n="4"] i:nth-child(-n+4), .enveloppe[data-n="5"] i:nth-child(-n+5) { opacity: 1; transform: translateY(-46%); }
.enveloppe i:nth-child(2) { transition-delay: .04s; } .enveloppe i:nth-child(3) { transition-delay: .08s; }
.env-rabat { height: 52%; background: var(--carte-2); border: 1px solid var(--relief); clip-path: polygon(0 0, 100% 0, 50% 100%); transform-origin: top; transform: translateZ(1px) rotateX(180deg); transition: transform .7s cubic-bezier(.6, 0, .2, 1); }
.enveloppe.ferme .env-pieces i { transform: translateY(0) !important; transition-delay: 0s; }
.enveloppe.ferme .env-rabat { transform: translateZ(6px) rotateX(0deg); transition-delay: .35s; }
.enveloppe.ferme .env-cachet { opacity: .8; transform: rotate(-18deg); }
@media (max-width: 520px) { .depot:has(.enveloppe) { grid-template-columns: 1fr; justify-items: center; text-align: center; } .depot:has(.enveloppe) > * { grid-column: 1 !important; } .enveloppe { height: 175px; } }
@media (prefers-reduced-motion: reduce) { .enveloppe *, .offre-cartouche, .feuille { transition: none !important; } }

/* ---------- Pictos des planches (tracés à l'entrée) ---------- */
.picto { position: absolute; top: 24px; right: 24px; width: 58px; height: 58px; fill: none; stroke: var(--encre); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feuille.large .picto { width: 76px; height: 76px; top: 28px; right: 30px; }
.picto .p-trajet { stroke: var(--trajet); stroke-width: 2.5; }
.picto .p-front { stroke: var(--front); stroke-dasharray: 6 3 1.5 3; }
.picto .p-tirets { stroke-dasharray: 4 3; }
.picto > * { stroke-dasharray: 160; stroke-dashoffset: 160; transition: stroke-dashoffset 1.2s cubic-bezier(.6, 0, .2, 1); }
.picto.vu > * { stroke-dashoffset: 0; }
.picto.vu > .p-front, .picto.vu > .p-tirets { stroke-dasharray: 6 3 1.5 3; }
.picto > :nth-child(2) { transition-delay: .15s; } .picto > :nth-child(3) { transition-delay: .3s; } .picto > :nth-child(4) { transition-delay: .45s; }
.feuille .h3, .feuille h2 { padding-right: 64px; }

/* ---------- Légende des courriers (Domaines) ---------- */
.courriers { margin-top: var(--section); }
.courriers-tete { display: grid; gap: 14px; max-width: 64ch; margin-bottom: 40px; }
.courriers-tete > p:last-child { color: var(--gris); }
.courriers-liste { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--gout); }
.courrier { position: relative; display: grid; gap: 10px; align-content: start; height: 100%; padding: 0 0 18px; color: var(--encre); text-decoration: none; }
.c-papier { position: relative; display: block; aspect-ratio: 3 / 4; padding: 18% 14% 0; background: var(--papier); border: 1px solid var(--relief); box-shadow: 0 16px 28px -20px rgb(31 42 54 / .55);
  transform: rotate(var(--rot, -2deg)); transition: transform .5s cubic-bezier(.2, .8, .2, 1), box-shadow .5s; }
.c-papier::before { content: ""; position: absolute; left: 14%; right: 14%; top: 9%; height: 3px; background: var(--encre); }
.c-papier i { display: block; height: 4px; margin-bottom: 9%; background: var(--relief); }
.c-papier i.c { width: 60%; }
.courriers-liste li:nth-child(2) .c-papier { --rot: 2deg; } .courriers-liste li:nth-child(3) .c-papier { --rot: -1deg; }
.courriers-liste li:nth-child(4) .c-papier { --rot: 3deg; } .courriers-liste li:nth-child(5) .c-papier { --rot: -3deg; }
.courrier b { font: 500 1.125rem/1.25 var(--titre); }
.c-delai { font-size: .9375rem; font-weight: 700; }
.c-delai small { display: block; font: italic 400 .875rem/1.3 var(--titre); color: var(--gris); }
.c-action { font-size: .875rem; font-weight: 700; color: var(--trajet-sombre); }
.courrier:hover .c-papier, .courrier:focus-visible .c-papier { transform: translateY(-10px) rotate(0deg); box-shadow: 0 28px 36px -22px rgb(31 42 54 / .6); }
.courrier:hover b { text-decoration: underline; text-underline-offset: 4px; }
.courriers-liste li { opacity: 0; transform: translateY(26px); transition: opacity .6s, transform .7s cubic-bezier(.2, .8, .2, 1); }
.courriers-liste.vu li { opacity: 1; transform: none; }
.courriers-liste li:nth-child(2) { transition-delay: .08s; } .courriers-liste li:nth-child(3) { transition-delay: .16s; } .courriers-liste li:nth-child(4) { transition-delay: .24s; } .courriers-liste li:nth-child(5) { transition-delay: .32s; }
@media (max-width: 1023px) { .courriers-liste { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .courriers-liste { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 16px; } }

/* ---------- Repères du détachement ---------- */
.reperes { padding-block: var(--section); }
.reperes-tete { margin-bottom: 44px; }
.reperes-grille { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 360px); gap: 56px; align-items: center; }
.reperes-liste { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gout); }
.repere { display: grid; gap: 12px; align-content: start; padding-top: 18px; border-top: 2px solid var(--encre); }
.repere > p:last-child { color: var(--gris); font-size: .9375rem; }
.repere-n { font: 500 clamp(3.5rem, 6vw, 5.25rem)/.9 var(--titre); letter-spacing: -.03em; font-variant-numeric: lining-nums; }
.repere-n small { font: 700 1rem/1 var(--texte); letter-spacing: .04em; margin-left: 6px; }
.repere-pre { display: block; font: italic 400 1rem/1.2 var(--titre); letter-spacing: 0; color: var(--gris); margin-bottom: 4px; }
.repere-fig { width: 112px; height: 30px; overflow: visible; }
.fig-part { width: 56px; height: 56px; transform: rotate(-90deg); }
.fig-cal rect { fill: var(--relief); transition: fill .25s calc(var(--i) * 45ms); }
.repere.vu .fig-cal rect { fill: var(--trajet); }
.fig-part circle { fill: none; stroke-width: 10; }
.fig-part .fond { stroke: var(--relief); }
.fig-part .part { stroke: var(--trajet); stroke-dasharray: 0 100; transition: stroke-dasharray 1.2s .2s cubic-bezier(.6, 0, .2, 1); }
.repere.vu .fig-part .part { stroke-dasharray: 25 100; }
.fig-barre .fond { fill: var(--relief); }
.fig-barre .part { fill: var(--trajet); transform: scaleX(0); transform-origin: left; transition: transform 1.1s .2s cubic-bezier(.6, 0, .2, 1); }
.repere.vu .fig-barre .part { transform: scaleX(.98); }
.fig-barre .seuil { stroke: var(--front); stroke-width: 2; stroke-dasharray: 4 2; }
.reperes-note { margin-top: 36px; max-width: 80ch; font-size: .875rem; color: var(--gris); font-style: italic; }
/* Attestation A1 : une carte posée qui flotte légèrement */
.a1 { margin: 0; perspective: 1200px; }
.a1-carte { position: relative; padding: 26px 26px 30px; background: var(--papier); border: 1px solid var(--encre); box-shadow: inset 0 0 0 5px var(--papier), inset 0 0 0 6px var(--front), 0 40px 60px -30px rgb(31 42 54 / .55);
  transform: rotateX(18deg) rotateY(-14deg) rotateZ(4deg) translateY(30px); opacity: 0; transition: transform 1.2s cubic-bezier(.2, .8, .2, 1), opacity .8s; }
.a1.vu .a1-carte { transform: rotateX(10deg) rotateY(-12deg) rotateZ(3deg); opacity: 1; }
.a1-tete { display: grid; gap: 2px; padding-bottom: 12px; margin-bottom: 18px; border-bottom: 2px solid var(--encre); }
.a1-tete b { font: 500 1.75rem/1 var(--titre); } .a1-tete span { font-size: .8125rem; color: var(--gris); }
.a1 dl { margin: 0; display: grid; gap: 6px; }
.a1 dt { font-size: .75rem; color: var(--gris); }
.a1 dd { margin: 0 0 10px; display: flex; gap: 10px; }
.a1 dd i { flex: 1; height: 26px; border: 1px solid var(--relief); background: var(--carte); }
.a1 dd i.c { flex: .5; }
.a1-sceau { position: absolute; right: 22px; bottom: 22px; width: 64px; height: 64px; border-radius: 50%; border: 2px solid var(--front); box-shadow: inset 0 0 0 5px var(--papier), inset 0 0 0 6px var(--front); opacity: .8; }
@media (max-width: 1023px) { .reperes-grille { grid-template-columns: 1fr; } .a1 { max-width: 360px; } }
@media (max-width: 760px) { .reperes-liste { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- Le livrable (Méthode) ---------- */
.livrable { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 64px; align-items: center; padding-block: var(--section); }
.livrable-texte { display: grid; gap: 16px; justify-items: start; }
.livrable-texte > p:not(.planche) { color: var(--gris); max-width: 46ch; }
.rapport { position: relative; padding: 34px 36px 30px; background: var(--papier); border: 1px solid var(--relief); box-shadow: 12px 12px 0 -1px var(--carte-2), 12px 12px 0 0 var(--relief), 0 40px 60px -34px rgb(31 42 54 / .5);
  transform: perspective(1400px) rotateY(-8deg) rotateZ(1deg); }
.rapport-tete { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; padding-bottom: 12px; margin-bottom: 18px; border-bottom: 2px solid var(--encre); }
.rapport-tete b { font: 500 1.375rem/1.2 var(--titre); } .rapport-tete span { font-size: .75rem; letter-spacing: .1em; color: var(--gris); white-space: nowrap; }
.rapport-liste { counter-reset: r; list-style: none; margin: 0; padding: 0; display: grid; }
.rapport-liste li { counter-increment: r; position: relative; padding: 13px 0 13px 46px; border-bottom: 1px solid var(--relief); }
.rapport-liste li::before { content: counter(r); position: absolute; left: 0; top: 10px; width: 28px; height: 28px; display: grid; place-items: center; border: 2px solid var(--trajet); border-radius: 50%; color: var(--trajet); font: 700 .875rem/1 var(--texte);
  transform: scale(.4); opacity: 0; transition: .5s cubic-bezier(.3, 1.6, .5, 1); }
.rapport.vu .rapport-liste li::before { transform: none; opacity: 1; }
.rapport-liste li:nth-child(2)::before { transition-delay: .12s; } .rapport-liste li:nth-child(3)::before { transition-delay: .24s; } .rapport-liste li:nth-child(4)::before { transition-delay: .36s; } .rapport-liste li:nth-child(5)::before { transition-delay: .48s; }
.rapport-pied { margin: 20px 0 0; display: grid; gap: 8px; }
.rapport-pied i { display: block; height: 4px; background: var(--relief); } .rapport-pied i.c { width: 40%; }
@media (max-width: 1023px) { .livrable { grid-template-columns: 1fr; gap: 40px; } .rapport { transform: none; } }

/* ---------- Le parcours (Tarif) ---------- */
.parcours { padding-block: var(--section); }
.parcours-tete { margin-bottom: 48px; }
.parcours-liste { position: relative; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px var(--gout); }
.parcours-liste::before { content: ""; position: absolute; left: 12%; right: 12%; top: 110px; height: 3px; background: repeating-linear-gradient(90deg, var(--trajet) 0 10px, transparent 10px 18px); z-index: -1; }
.parcours-liste li { display: grid; gap: 12px; align-content: start; }
.parcours-liste h3 { display: flex; gap: 12px; align-items: baseline; font-size: 1.375rem; }
.parcours-liste li > p { color: var(--gris); max-width: 36ch; }
.pc-n { flex: none; display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--trajet); color: #fff; font: 700 .9375rem/1 var(--texte); transform: translateY(-3px); }
.pc-fig { position: relative; height: 220px; margin-bottom: 14px; transform: perspective(1000px) rotateX(14deg) rotateY(-10deg) translateY(24px); opacity: 0; transition: transform 1s cubic-bezier(.2, .8, .2, 1), opacity .7s; }
.parcours-liste li.vu .pc-fig { transform: perspective(1000px) rotateX(8deg) rotateY(-8deg); opacity: 1; }
.parcours-liste li:nth-child(2) .pc-fig { transition-delay: .12s; } .parcours-liste li:nth-child(3) .pc-fig { transition-delay: .24s; }
.pc-bordereau, .pc-lettre { width: min(100%, 230px); padding: 22px; background: var(--papier); border: 1px solid var(--encre); box-shadow: inset 0 0 0 4px var(--papier), inset 0 0 0 5px var(--encre), 0 30px 40px -26px rgb(31 42 54 / .55); }
.pc-fig p { margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1.5px solid var(--encre); font: italic 400 1rem/1.2 var(--titre); }
.pc-fig > i { display: block; height: 22px; margin-bottom: 10px; border: 1px solid var(--relief); background: var(--carte); }
.pc-fig > i.c { width: 60%; }
.pc-bordereau > span { position: absolute; right: 22px; bottom: 22px; width: 58px; height: 26px; display: grid; place-items: center; background: var(--trajet); color: #fff; font-weight: 700; }
.pc-lettre { border-color: var(--relief); box-shadow: 0 30px 40px -26px rgb(31 42 54 / .55); }
.pc-lettre > i { height: 5px; border: 0; background: var(--relief); margin-bottom: 14px; }
.pc-48 { position: absolute; right: -14px; bottom: 18px; padding: 10px 12px; border: 3px solid var(--trajet); color: var(--trajet); font: 700 1.5rem/1 var(--titre); background: var(--papier); transform: rotate(-10deg); }
.pc-carte { width: min(100%, 290px); height: 180px; margin-top: 20px; padding: 22px 24px; border-radius: 12px; color: var(--carte); background: linear-gradient(135deg, var(--encre), #2c3b4c 55%, var(--encre));
  box-shadow: 0 34px 44px -26px rgb(31 42 54 / .75); display: grid; grid-template-columns: 1fr auto; align-content: space-between; overflow: hidden; }
.pc-carte::after { content: ""; position: absolute; inset: 0; background: repeating-radial-gradient(ellipse at 90% 0%, transparent 0 18px, rgb(255 255 255 / .05) 18px 19px); }
.pc-carte .puce { width: 40px; height: 30px; border-radius: 5px; background: linear-gradient(135deg, #d9c48f, #b39a5c); }
.pc-carte b { justify-self: end; font: 500 1.75rem/1 var(--titre); color: #fff; }
.pc-carte small { grid-column: 1 / -1; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
.pc-carte i { height: auto; margin: 0; border: 0; background: none; color: var(--carte); grid-column: 1 / -1; font: 400 1rem/1 var(--mono, monospace); letter-spacing: .12em; font-style: normal; }
@media (max-width: 900px) { .parcours-liste { grid-template-columns: 1fr; } .parcours-liste::before { display: none; } }
@media (prefers-reduced-motion: reduce) { .picto > *, .courriers-liste li, .fig-cal rect, .fig-part .part, .fig-barre .part, .a1-carte, .rapport-liste li::before, .pc-fig { transition: none !important; } }