/* Atelier Ferme et Chevron : style « Épure ». Bleu de plan, traits blancs, accent cyan de calque (--accent vient de donnees.json).
   Titres Unbounded (poutres typographiques), texte IBM Plex Sans (--police-titre, --police-texte). Le quadrillage (.papier) et l'épure
   (.epure-dessin) sont des décors déclarés dans donnees.decor. Sans JavaScript ou en mouvement réduit : l'épure est complète
   (traits, cotes, pièces remplies) ; site.js ne l'efface que sous html.epure-actif. */
:root {
  --plan: #0f2a5a;
  --plan-fonce: #0a2150;
  --plan-carte: #0c2656;
  --trait: #eaf2ff;
  --doux: #b9cbe8;
  --encre-accent: #08203f;
  --bois: #e3c08f;
  --bois-ombre: #9c7440;
  --filet: rgba(234, 242, 255, .24);
  --etiquette: 2rem;
  --entete-h: 4.25rem;
  --rayon: 3px;
}
body {
  background: var(--plan);
  color: var(--trait);
  font-family: var(--police-texte);
  font-size: 1.0625rem;
  line-height: 1.6;
}
h1, h2, h3 { font-family: var(--police-titre); font-weight: 800; line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 .6em; }
h2 { font-size: clamp(1.45rem, .95rem + 2.05vw, 2.55rem); }
h3 { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.005em; }
p { margin: 0 0 1em; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.etiquette-demo { height: var(--etiquette); line-height: var(--etiquette); padding-block: 0; background: #07173a; color: #dbe7fb; }
main { position: relative; }

/* ---------- papier millimétré : un seul élément, jamais sous le texte au point de gêner ---------- */
.papier {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(127, 214, 255, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 214, 255, .075) 1px, transparent 1px),
    linear-gradient(rgba(127, 214, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 214, 255, .035) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}
main > section { position: relative; }

/* ---------- en-tête flottant ---------- */
.entete { position: fixed; top: var(--etiquette); left: 0; right: 0; z-index: 70; color: var(--trait); background: rgba(10, 33, 80, .82); border-bottom: 1px solid var(--filet); transition: background-color .25s, top .25s; }
html.defile .entete { top: 0; background: rgba(10, 33, 80, .96); }
.entete-interieur { display: flex; align-items: center; justify-content: space-between; min-height: var(--entete-h); gap: 1rem; }
.marque { display: inline-flex; align-items: center; gap: .65rem; min-height: 2.75rem; font-family: var(--police-titre); font-weight: 800; font-size: .95rem; letter-spacing: -0.01em; text-decoration: none; }
.marque-signe { color: var(--accent); flex: none; }
.menu ul { display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.menu a { text-decoration: none; }
.menu a:hover { text-decoration: underline; text-underline-offset: 5px; }
.menu-telephone { font-weight: 600; }
.menu-bouton { display: inline-flex; align-items: center; gap: .6rem; min-height: 2.75rem; padding: 0 .9rem; background: transparent; color: inherit; border: 1.5px solid currentColor; border-radius: var(--rayon); font: inherit; font-weight: 600; }
.menu-bouton-barres { width: 1.1rem; height: 2px; background: currentColor; position: relative; }
.menu-bouton-barres::before, .menu-bouton-barres::after { content: ""; position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; }
.menu-bouton-barres::before { top: -6px; }
.menu-bouton-barres::after { top: 6px; }
@media (min-width: 900px) { .menu { display: flex; align-items: center; gap: 2rem; } }
@media (max-width: 899px) {
  .menu { position: absolute; top: 100%; left: 0; right: 0; padding: 1rem var(--gouttiere) 1.5rem; background: var(--plan-fonce); border-bottom: 1px solid var(--filet); }
  .menu ul { flex-direction: column; gap: 0; }
  .menu li a, .menu-telephone { display: flex; align-items: center; min-height: 2.75rem; }
  .menu-telephone { border-top: 1px solid var(--filet); margin-top: .5rem; padding-top: .5rem; }
}

/* ---------- boutons ---------- */
.bouton { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: 0 1.4rem; background: var(--accent); color: var(--encre-accent); border: 1.5px solid var(--accent); border-radius: var(--rayon); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.bouton:hover { background: #b3e6ff; border-color: #b3e6ff; }
.bouton-clair { background: transparent; border-color: var(--trait); color: var(--trait); }
.bouton-clair:hover { background: var(--trait); color: var(--encre-accent); border-color: var(--trait); }

/* ---------- ouverture : l'épure ---------- */
.epure { background: transparent; }
.epure-scene { position: relative; min-height: calc(100svh - var(--etiquette)); display: flex; align-items: center; padding-block: calc(var(--entete-h) + 1.5rem) 2rem; }
.epure-interieur { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; align-items: center; }
.surtitre { display: flex; align-items: center; gap: .75rem; font-size: .8125rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.surtitre::before { content: ""; width: 2rem; height: 1px; background: var(--accent); flex: none; }
.epure-texte h1 { font-size: clamp(1.5rem, .85rem + 2.3vw, 3.1rem); margin-bottom: .5em; }
.h1-accent { color: var(--accent); }
.chapo { font-size: clamp(1rem, .95rem + .35vw, 1.2rem); color: var(--doux); max-width: 46ch; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 0; }
.epure-bloc { min-width: 0; }
.epure-dessin { margin: 0; }
.epure-svg { display: block; width: 100%; height: auto; max-height: 46svh; font-family: var(--police-texte); overflow: visible; }
.epure-pied { margin-top: .75rem; }
.epure-note { margin: 0 0 .75rem; font-size: .8125rem; letter-spacing: .04em; color: var(--doux); }
.epure-nom { font-weight: 600; color: var(--trait); }
.legende { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .35rem .9rem; }
.legende-piece { display: flex; align-items: flex-start; gap: .6rem; color: var(--trait); }
.legende-num { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 1.6rem; height: 1.6rem; border: 1.5px solid var(--accent); border-radius: 50%; background: var(--accent); color: var(--encre-accent); font-size: .8125rem; font-weight: 700; }
.legende-corps { display: flex; flex-direction: column; padding-top: .1rem; }
.legende-nom { font-size: .875rem; font-weight: 600; line-height: 1.3; }
.legende-texte { display: none; font-size: .8125rem; color: var(--doux); line-height: 1.4; margin-top: .15rem; }
@media (min-width: 600px) { .legende { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 900px) {
  .epure-interieur { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(1.5rem, 4vw, 4rem); }
  .epure-svg { max-height: none; }
}
@media (min-width: 1200px) { .legende-texte { display: block; } .legende { gap: .9rem 1.1rem; } }
@media (max-width: 767px) { .epure-scene { padding-bottom: calc(3.25rem + env(safe-area-inset-bottom, 0px) + .75rem); } }
@media (max-width: 599px) {
  .epure-scene { padding-top: calc(var(--entete-h) + 1rem); }
  .surtitre { letter-spacing: .06em; font-size: .75rem; margin-bottom: .6rem; }
  .surtitre::before { display: none; }
  .epure-texte h1 { margin-bottom: .4em; }
  .chapo { font-size: .9375rem; line-height: 1.45; margin-bottom: 0; }
  .actions { flex-wrap: nowrap; gap: .5rem; margin-top: 1rem; }
  .actions .bouton { padding: 0 .9rem; font-size: .9375rem; flex: 0 1 auto; }
  .epure-pied { margin-top: .5rem; }
  .epure-note { margin-bottom: .5rem; }
  .cote-texte { font-size: 36px; }
  .cote-texte-pente { font-size: 30px; }
  .repere-num { font-size: 20px; }
  .repere-disque { r: 18px; }
}

/* l'état de départ de l'épure n'existe que sous html.epure-actif (posé par site.js) */
html.epure-actif .epure { height: calc(100svh + var(--course-epure, 320svh)); }
html.epure-actif .epure-scene { position: sticky; top: 0; height: 100svh; min-height: 0; }
html.epure-actif .legende-piece:not(.fait):not(.actif) { color: #9fb6da; }
html.epure-actif .legende-piece:not(.fait):not(.actif) .legende-num { background: transparent; color: #9fb6da; border-color: rgba(159, 182, 218, .6); }
html.epure-actif .legende-piece.actif .legende-num { background: var(--plan); color: var(--accent); }

/* épure : couleurs et traits (complets par défaut) */
.fantome { fill: none; stroke: var(--trait); stroke-opacity: .16; stroke-width: 1; stroke-linejoin: round; }
.trait { fill: none; stroke: var(--trait); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: 0; }
.axe { fill: none; stroke: var(--accent); stroke-width: 1.1; stroke-dasharray: 100; stroke-dashoffset: 0; opacity: .8; }
.remplissage { fill: var(--bois); stroke: var(--trait); stroke-width: 1.4; stroke-linejoin: round; }
.volume { fill: var(--bois-ombre); stroke: var(--trait); stroke-width: .9; stroke-opacity: .75; stroke-linejoin: round; }
.cote-ligne, .cote-rep { fill: none; stroke: var(--accent); stroke-width: 1.3; stroke-dasharray: 100; stroke-dashoffset: 0; }
.cote-rep { stroke-width: 1; opacity: .85; }
.fleche { fill: var(--accent); }
.cote-masque { fill: var(--plan); }
.cote-texte { fill: var(--accent); font-family: var(--police-texte); font-style: italic; font-weight: 600; font-size: 26px; }
.cote-texte-pente { font-size: 22px; }
.repere-ligne { fill: none; stroke: var(--trait); stroke-width: 1; stroke-opacity: .85; }
.repere-point { fill: var(--accent); }
.repere-disque { fill: var(--plan); stroke: var(--accent); stroke-width: 1.5; }
.repere-num { fill: var(--trait); font-family: var(--police-texte); font-weight: 700; font-size: 16px; }

/* ---------- sections ---------- */
.prestations, .methode, .zone, .contact { padding-block: clamp(3.75rem, 8vw, 7rem); }
.interlude { padding-block: clamp(1rem, 3vw, 2.5rem) clamp(3rem, 7vw, 6rem); }
.section-tete { margin-bottom: clamp(1.75rem, 4vw, 3rem); }
.rubrique { display: flex; align-items: center; gap: .85rem; margin-bottom: 1rem; font-size: .8125rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.rubrique-planche { padding: .2rem .55rem; border: 1px solid var(--accent); border-radius: 2px; letter-spacing: .08em; }
.titre-section { max-width: 24ch; }
.chapeau { font-size: 1.125rem; color: var(--doux); }
.lecture { max-width: var(--largeur-lecture); }

/* prestations : une planche par ouvrage */
.cartes { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 600px) { .cartes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .cartes { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; } }
.carte { display: flex; flex-direction: column; background: var(--plan-carte); border: 1px solid var(--filet); border-radius: 2px; overflow: hidden; }
.carte-photo { margin: 0; border-bottom: 1px solid var(--filet); }
.carte-photo img { width: 100%; height: auto; }
.carte-texte { padding: 1.25rem 1.4rem 1.6rem; }
.carte-num { margin: 0 0 .6rem; font-family: var(--police-titre); font-weight: 700; font-size: .875rem; color: var(--accent); letter-spacing: .06em; }
.carte-texte h3 { margin-bottom: .55em; }
.carte-texte p { color: var(--doux); font-size: 1rem; }
.carte-points { list-style: none; margin: 1rem 0 0; padding: 0; border-top: 1px solid var(--filet); }
.carte-points li { position: relative; padding: .5rem 0 .5rem 1.35rem; border-bottom: 1px solid var(--filet); font-size: .9375rem; }
.carte-points li::before { content: ""; position: absolute; left: .15rem; top: 1.05rem; width: .5rem; height: .5rem; border: 1.5px solid var(--accent); transform: rotate(45deg); }

/* interlude : une photo large et une phrase */
.interlude-grille { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
.interlude-photo { margin: 0; border: 1px solid var(--filet); }
.interlude-photo img { width: 100%; height: auto; }
.interlude-texte { display: grid; gap: .5rem; max-width: 62ch; }
.interlude-titre { margin: 0; font-family: var(--police-titre); font-weight: 800; font-size: clamp(1.25rem, .9rem + 1.5vw, 2rem); line-height: 1.2; }
.interlude-texte p:last-child { color: var(--doux); margin: 0; }
@media (min-width: 900px) { .interlude-texte { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; max-width: none; align-items: start; } }

/* méthode */
.methode, .contact { background: var(--plan-fonce); border-block: 1px solid var(--filet); }
.methode-grille { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; align-items: center; }
.methode-photo { margin: 0; width: min(100%, 480px); border: 1px solid var(--filet); }
.methode-photo img { width: 100%; height: auto; }
@media (min-width: 900px) { .methode-grille { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); } }
.etapes { list-style: none; margin: 0; padding: 0; position: relative; }
.etape { position: relative; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding-bottom: 1.5rem; }
.etape:last-child { padding-bottom: 0; }
.etape::before { content: ""; position: absolute; left: 1.5rem; top: 2.4rem; bottom: .2rem; width: 0; border-left: 1px dashed rgba(127, 214, 255, .55); }
.etape:last-child::before { display: none; }
.etape-num { z-index: 1; display: inline-flex; align-items: center; justify-content: center; width: 3rem; height: 2.4rem; background: var(--plan-fonce); border: 1.5px solid var(--accent); border-radius: 2px; font-family: var(--police-titre); font-weight: 700; font-size: .8125rem; color: var(--accent); }
.etape-corps h3 { margin: .2rem 0 .3rem; font-size: 1.125rem; }
.etape-corps p { margin: 0; color: var(--doux); }
.methode-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin: 2rem 0 0; }
.lien-tel { display: inline-flex; align-items: center; min-height: 2.75rem; font-weight: 600; text-underline-offset: 5px; }

/* zone */
.zone-grille { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; align-items: center; }
.communes { list-style: none; margin: 0 0 1.25rem; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
.communes li { display: flex; align-items: center; gap: .75rem; min-height: 3rem; padding: .5rem .9rem; background: var(--plan-carte); border: 1px solid var(--filet); border-radius: 2px; font-weight: 500; flex-wrap: wrap; }
.communes li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.commune-repere { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 1.5rem; height: 1.5rem; border: 1.5px solid var(--accent); border-radius: 50%; font-size: .75rem; font-weight: 700; color: var(--accent); }
.commune-atelier { margin-left: auto; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.zone-note { color: var(--doux); max-width: 46ch; margin-bottom: 0; }
.zone-photo { margin: 0; width: min(100%, 480px); border: 1px solid var(--filet); }
.zone-photo img { width: 100%; height: auto; }
@media (min-width: 900px) { .zone-grille { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); } .zone-photo { justify-self: end; } }

/* avis (facultatif) */
.avis { margin: clamp(2rem, 5vw, 3.5rem) 0 0; padding: 1.4rem 0 0; border-top: 1px dashed var(--filet); text-align: center; color: var(--doux); font-family: var(--police-titre); font-weight: 600; font-size: clamp(.95rem, .85rem + .5vw, 1.15rem); }

/* contact */
.contact-interieur { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
@media (min-width: 900px) { .contact-interieur { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 5rem); } }
.contact-tel { display: inline-flex; align-items: center; min-height: 2.75rem; font-family: var(--police-titre); font-weight: 800; font-size: clamp(1.35rem, 1rem + 1.3vw, 2rem); text-decoration: none; color: var(--accent); }
.contact-tel:hover { text-decoration: underline; text-underline-offset: 6px; }
address { font-style: normal; margin-bottom: 1.25rem; }
address a { display: inline-flex; align-items: center; min-height: 2.75rem; text-underline-offset: 4px; }
.horaires { display: grid; grid-template-columns: auto 1fr; gap: .25rem 1.25rem; margin: 0; }
.horaires dt { font-weight: 600; }
.horaires dd { margin: 0; color: var(--doux); }
.formulaire { display: grid; gap: 1rem; background: var(--plan-carte); border: 1px solid var(--filet); border-radius: 2px; padding: clamp(1.25rem, 3vw, 2rem); }
.champ label { display: block; font-weight: 500; margin-bottom: .35rem; }
.champ-requis { color: var(--accent); }
.champ input, .champ textarea { width: 100%; min-height: 3rem; padding: .7rem .9rem; background: var(--plan-fonce); color: var(--trait); border: 1.5px solid #8fb0e0; border-radius: var(--rayon); font: inherit; }
.champ textarea { min-height: 7.5rem; resize: vertical; }
.champ input:focus-visible, .champ textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-color: var(--accent); }
.formulaire .bouton { justify-self: start; }
.formulaire-statut { margin: 0; padding: .75rem 1rem; border: 1px solid var(--accent); border-radius: var(--rayon); color: var(--trait); }

/* pied et barre d'appel */
.pied { background: #07173a; color: #dbe7fb; border-top: 1px solid var(--filet); }
.pied-interieur { padding-block: 2.5rem 1rem; display: grid; gap: .1rem; }
.pied-interieur p { margin: 0; }
.pied-nom { font-family: var(--police-titre); font-weight: 800; font-size: 1.05rem; margin-bottom: .5rem !important; }
.pied-zone { margin-top: .5rem !important; color: var(--doux); font-size: .9375rem; }
.pied a { text-underline-offset: 4px; }
.mention-pied { color: #c4d4ee; }
.barre-appel { background: var(--accent); }
.barre-appel a { color: var(--encre-accent); font-weight: 700; text-decoration: none; }
.barre-appel-numero { font-family: var(--police-titre); font-weight: 800; }