/* escalierdefrance.fr — thème clair : le logo est prévu pour un fond clair.
   L'acier noir des escaliers donne le contraste, le bleu du logo l'accent,
   le bois clair les touches chaudes. Aucun style en ligne (CSP) : tout est ici. */
:root {
  --fond: #f6f4ef;
  --fond-teinte: #ece8df;
  --carte: #ffffff;
  --acier: #1d1f21;
  --encre: #1d1f21;
  --texte: #3b3f43;
  --doux: #676c71;
  --trait: #dcd7cc;
  --accent: #245f80;
  --accent-fonce: #1a4760;
  --accent-clair: #dbe8ef;
  --bois: #c9a06a;
  --bois-clair: #efe2cd;
  --rouge: #a8383a;
  --vert: #2d7a3e;
  --rayon: 12px;
  --ombre: 0 1px 2px rgba(29, 31, 33, .06), 0 14px 34px -16px rgba(29, 31, 33, .3);
  --police: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; background: var(--fond); color: var(--texte);
  font: 17px/1.65 var(--police); -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
/* « height: auto » : les images portent width et height (place réservée au
   chargement) ; sans cette règle, une image rétrécie serait écrasée. */
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-fonce); }
h1, h2, h3 { color: var(--encre); line-height: 1.15; margin: 0; letter-spacing: -.02em; text-wrap: balance; }
h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 780; }
h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 740; }
h3 { font-size: 19px; font-weight: 680; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.doux { color: var(--doux); }
.evitement { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--encre); color: #fff; padding: 10px 16px; border-radius: 8px; }
.evitement:focus { top: 12px; }

.enveloppe { width: min(1200px, 100% - 32px); margin-inline: auto; }
.enveloppe-etroite { width: min(780px, 100% - 32px); }
.ico { width: 20px; height: 20px; flex: none; }
.ico-pas { width: 18px; height: 18px; transition: transform .15s ease; }

/* ── Boutons ─────────────────────────────────────────────────────────── */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 8px; border: 1.5px solid transparent;
  font: inherit; font-weight: 650; font-size: 16px; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.bouton:hover .ico-pas, .carte:hover .ico-pas, .lien-fleche:hover .ico-pas { transform: translateX(3px); }
.bouton-plein { background: var(--acier); color: #fff; }
.bouton-plein:hover { background: var(--accent-fonce); color: #fff; }
.bouton-contour { border-color: var(--trait); background: var(--carte); color: var(--encre); }
.bouton-contour:hover { border-color: var(--encre); color: var(--encre); }
.bouton-clair { background: #fff; color: var(--encre); }
.bouton-clair:hover { background: var(--bois-clair); color: var(--encre); }
.bouton-grand { padding: 15px 24px; font-size: 17px; }
.bouton-petit { padding: 9px 15px; font-size: 15px; }
.bouton[disabled] { opacity: .45; cursor: not-allowed; }
.lien-fleche { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; text-decoration: none; }

/* ── En-tête ─────────────────────────────────────────────────────────── */
.entete {
  position: sticky; top: 0; z-index: 20;
  background: rgba(246, 244, 239, .95); border-bottom: 1px solid var(--trait);
  backdrop-filter: saturate(1.4) blur(8px);
}
.entete-ligne { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.marque { display: block; flex: none; }
.marque img { width: 200px; }
.nav { display: flex; gap: 2px; margin-left: auto; }
.nav a { color: var(--texte); text-decoration: none; font-size: 15px; font-weight: 560; padding: 8px 10px; border-radius: 8px; white-space: nowrap; }
.nav a:hover { background: var(--fond-teinte); color: var(--encre); }
.nav a[aria-current="page"] { color: var(--encre); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.entete-devis { flex: none; }
.menu-mobile { display: none; position: relative; margin-left: auto; }
.menu-mobile summary { list-style: none; cursor: pointer; width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; border-radius: 8px; border: 1px solid var(--trait); background: var(--carte); }
.menu-mobile summary::-webkit-details-marker { display: none; }
.menu-mobile summary span { display: block; width: 20px; height: 2px; background: var(--encre); border-radius: 2px; }
.menu-mobile-liste {
  position: absolute; right: 0; top: calc(100% + 10px); width: min(300px, calc(100vw - 32px));
  background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); box-shadow: var(--ombre);
  padding: 10px; display: grid; gap: 2px;
}
.menu-mobile-liste a:not(.bouton) { color: var(--encre); text-decoration: none; padding: 11px 12px; border-radius: 8px; font-weight: 550; }
.menu-mobile-liste a:not(.bouton):hover, .menu-mobile-liste a[aria-current="page"] { background: var(--fond-teinte); }
.menu-mobile-liste .bouton { margin-top: 6px; }
@media (max-width: 1060px) {
  .nav { display: none; }
  .menu-mobile { display: block; }
  .entete-devis { margin-left: auto; }
  .entete-devis + .menu-mobile { margin-left: 0; }
}
@media (max-width: 460px) {
  .entete-ligne { gap: 10px; }
  .marque img { width: 160px; }
  .entete-devis { padding: 8px 12px; font-size: 14px; }
}
/* Trop étroit pour logo, bouton et menu : le bouton passe dans le menu. */
@media (max-width: 380px) {
  .entete-devis { display: none; }
  .entete-devis + .menu-mobile { margin-left: auto; }
}

/* ── Hero et bandeaux ────────────────────────────────────────────────── */
.hero, .bandeau { border-bottom: 1px solid var(--trait); }
.hero { padding: clamp(36px, 6vw, 80px) 0; background: linear-gradient(180deg, var(--fond) 0%, var(--fond-teinte) 100%); }
.hero-grille { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.surtitre { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
/* Trois traits bleu, blanc, rouge : les marches du logo. */
.surtitre::before { content: ""; width: 34px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--accent) 0 33%, #fff 33% 66%, var(--rouge) 66%); box-shadow: 0 0 0 1px var(--trait); }
.chapeau { font-size: clamp(18px, 2vw, 20px); color: var(--texte); margin-top: 20px; max-width: 60ch; }
.boutons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.points { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; font-size: 15px; color: var(--doux); }
.points li { display: inline-flex; align-items: center; gap: 6px; }
.coche { color: var(--accent); }
.hero-visuel, .bandeau-visuel { margin: 0; }
.hero-visuel img, .bandeau-visuel img { width: 100%; border-radius: var(--rayon); box-shadow: var(--ombre); background: #fff; }
.bandeau-visuel figcaption, .figure figcaption { font-size: 14px; color: var(--doux); margin-top: 10px; }

.bandeau { padding: clamp(28px, 5vw, 60px) 0; background: var(--fond-teinte); }
.bandeau-grille { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 56px); align-items: center; }
.bandeau h1 { font-size: clamp(30px, 4.4vw, 46px); }
.fil { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--doux); margin-bottom: 22px; }
.fil a { color: var(--doux); }
@media (max-width: 900px) {
  .hero-grille, .bandeau-grille { grid-template-columns: minmax(0, 1fr); }
}

/* ── Sections ────────────────────────────────────────────────────────── */
.section { padding: clamp(48px, 7vw, 88px) 0; }
.section-teinte { background: var(--fond-teinte); }
.section > .enveloppe > h2, .titre-ligne { margin-bottom: clamp(24px, 3vw, 40px); }
.titre-ligne { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px 24px; }
.texte > * + * { margin-top: 16px; }
.texte h2 + * { margin-top: 20px; }
.mentions h2 { font-size: 22px; margin-top: 40px; }
.mentions h2:first-child { margin-top: 0; }
.liste { padding-left: 22px; display: grid; gap: 8px; }
.liste li::marker { color: var(--accent); }
.intro { margin-bottom: 28px; max-width: 70ch; }
.apres { margin-top: 32px; }
.note { margin-top: 28px; font-size: 15px; color: var(--doux); }
.alerte { background: var(--bois-clair); border-left: 4px solid var(--bois); padding: 14px 18px; border-radius: 8px; margin-bottom: 24px; }
.deux-colonnes { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.deux-colonnes.inverse > .texte { order: 2; }
.figure { margin: 0; }
.figure img { width: 100%; border-radius: var(--rayon); box-shadow: var(--ombre); background: #fff; }
@media (max-width: 900px) {
  .deux-colonnes { grid-template-columns: minmax(0, 1fr); }
  .deux-colonnes.inverse > .texte { order: 0; }
}

/* ── Cartes ──────────────────────────────────────────────────────────── */
.cartes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.carte {
  position: relative; display: flex; flex-direction: column; background: var(--carte);
  border: 1px solid var(--trait); border-radius: var(--rayon); overflow: hidden;
  transition: box-shadow .2s ease, transform .2s ease;
}
.carte:has(.carte-lien):hover { box-shadow: var(--ombre); transform: translateY(-2px); }
.carte-visuel { aspect-ratio: 16 / 10; overflow: hidden; background: #fff; border-bottom: 4px solid var(--bois); }
.carte-visuel img { width: 100%; height: 100%; object-fit: cover; }
.carte-corps { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.carte-corps p { font-size: 16px; }
.carte-lien { color: var(--encre); text-decoration: none; }
.carte-lien::after { content: ""; position: absolute; inset: 0; }
.carte-suite { margin-top: auto; padding-top: 6px; display: inline-flex; align-items: center; gap: 6px; font-weight: 650; color: var(--accent); font-size: 15px; }
@media (max-width: 960px) { .cartes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .cartes { grid-template-columns: minmax(0, 1fr); } }

/* ── Étapes ──────────────────────────────────────────────────────────── */
.etapes { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.etape { position: relative; padding-top: 18px; border-top: 3px solid var(--acier); }
.etape-num {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--acier); color: #fff; font-weight: 750; margin-bottom: 14px;
}
.etape h3 { margin-bottom: 8px; }
.etape p { font-size: 16px; }
@media (max-width: 960px) { .etapes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .etapes { grid-template-columns: minmax(0, 1fr); } }

/* ── Réalisations ────────────────────────────────────────────────────── */
.realisation { margin: 0; }
.realisation img { width: 100%; border-radius: 10px; background: #fff; }
.realisation figcaption { margin-top: 10px; display: grid; gap: 2px; font-size: 15px; color: var(--doux); }
.realisation strong { color: var(--encre); font-size: 16px; }
.apercu { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.apercu img { aspect-ratio: 4 / 3; object-fit: cover; }
@media (max-width: 1000px) { .apercu { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .apercu { grid-template-columns: minmax(0, 1fr); } }
/* Mosaïque : colonnes, chaque photo garde son format. */
.mosaique { columns: 3 300px; column-gap: 24px; }
.mosaique .realisation { break-inside: avoid; margin-bottom: 28px; }
.chantier + .chantier { margin-top: clamp(40px, 6vw, 72px); padding-top: clamp(40px, 6vw, 72px); border-top: 1px solid var(--trait); }
.chantier-entete { max-width: 70ch; margin-bottom: 28px; display: grid; gap: 10px; }
.chantier-num { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }

/* ── Témoignage ──────────────────────────────────────────────────────── */
.section-temoignage { padding-block: clamp(36px, 5vw, 56px); }
.temoignage { margin: 0; padding: 28px 32px; background: var(--carte); border-left: 5px solid var(--bois); border-radius: var(--rayon); box-shadow: var(--ombre); }
.temoignage blockquote { margin: 0; font-size: clamp(18px, 2vw, 21px); color: var(--encre); line-height: 1.55; }
.temoignage blockquote p::before { content: "« "; }
.temoignage blockquote p::after { content: " »"; }
.temoignage figcaption { margin-top: 14px; font-weight: 650; color: var(--doux); }

/* ── Planches (plan coté, notice) ────────────────────────────────────── */
.planches { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; }
.planche { margin: 0; }
.planche a { display: block; border: 1px solid var(--trait); border-radius: 10px; overflow: hidden; background: #fff; transition: box-shadow .2s ease; }
.planche a:hover { box-shadow: var(--ombre); }
.planche img { width: 100%; }
.planche figcaption { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-weight: 600; color: var(--encre); font-size: 16px; }
.piece-code { font-size: 13px; font-weight: 700; color: var(--accent); background: var(--accent-clair); padding: 2px 8px; border-radius: 6px; white-space: nowrap; }
@media (max-width: 700px) { .planches { grid-template-columns: minmax(0, 1fr); } }

/* ── Maquette 3D ─────────────────────────────────────────────────────── */
.maquette-grille { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.maquette { margin: 0; }
.maquette-cadre { position: relative; aspect-ratio: 16 / 10; border-radius: var(--rayon); overflow: hidden; background: #e4e1da; box-shadow: var(--ombre); }
.maquette-cadre iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.maquette figcaption { font-size: 14px; color: var(--doux); margin-top: 10px; }
@media (max-width: 900px) {
  .maquette-grille { grid-template-columns: minmax(0, 1fr); }
  .maquette-cadre { aspect-ratio: 4 / 3; }
}

/* ── Options (page Options) ──────────────────────────────────────────── */
.options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.option { background: var(--carte); border: 1px solid var(--trait); border-radius: var(--rayon); overflow: hidden; display: flex; flex-direction: column; }
.option img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.option-corps { padding: 20px 22px 24px; display: grid; gap: 10px; align-content: start; }
.option-corps p { font-size: 15.5px; }
.option-usage { font-size: 13px !important; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
@media (max-width: 960px) { .options { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .options { grid-template-columns: minmax(0, 1fr); } }

/* ── Questions ───────────────────────────────────────────────────────── */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--carte); border: 1px solid var(--trait); border-radius: 10px; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 650; color: var(--encre); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq-ico { transition: transform .2s ease; color: var(--accent); }
.faq details[open] .faq-ico { transform: rotate(45deg); }
.faq-reponse { padding: 0 20px 20px; }
.faq-reponse p + p { margin-top: 12px; }

/* ── Appel final ─────────────────────────────────────────────────────── */
.appel { background: var(--acier); color: #d4d7da; padding: clamp(44px, 6vw, 72px) 0; border-top: 4px solid var(--bois); }
.appel h2 { color: #fff; }
.appel p { margin-top: 12px; max-width: 58ch; }
.appel p a { color: #fff; font-weight: 700; white-space: nowrap; text-decoration-color: var(--bois); }
.appel p a:hover { color: var(--bois-clair); }
.appel-grille { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 40px; }

/* ── Formulaires ─────────────────────────────────────────────────────── */
.contact-grille { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.formulaire { display: grid; gap: 22px; }
.formulaire fieldset, .config-demande { border: 1px solid var(--trait); border-radius: var(--rayon); background: var(--carte); padding: 20px 22px 24px; margin: 0; min-width: 0; display: grid; gap: 18px; }
.formulaire legend, .config-demande legend { font-weight: 700; color: var(--encre); padding: 0 6px; font-size: 18px; }
.champs-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.champ { display: grid; gap: 6px; min-width: 0; align-content: start; }
.champ label { font-weight: 600; color: var(--encre); font-size: 16px; }
.requis { color: var(--rouge); }
.champ input, .champ select, .champ textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--encre); background: #fff;
  border: 1.5px solid #cbc5b8; border-radius: 8px; padding: 11px 13px; min-width: 0;
}
.champ textarea { resize: vertical; min-height: 110px; }
.formulaire .champ textarea { min-height: 150px; }
.champ input[type="file"] { padding: 10px; background: var(--fond); }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(36, 95, 128, .18); }
.champ [aria-invalid="true"] { border-color: var(--rouge); }
.aide { font-size: 14px; color: var(--doux); display: flex; align-items: center; gap: 6px; }
.aide .ico { width: 16px; height: 16px; }
.piege { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.rgpd { font-size: 14px; color: var(--doux); }
.formulaire .bouton, .config-demande .bouton { justify-self: start; }
.formulaire-etat { font-weight: 600; }
.formulaire-etat:empty { display: none; }
.formulaire-etat.erreur { color: var(--rouge); }
.contact-aparte { background: var(--fond-teinte); border-radius: var(--rayon); padding: 24px; position: sticky; top: 92px; display: grid; gap: 16px; }
.contact-aparte h2 { font-size: 21px; }
.contact-ligne { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; }
.contact-ligne .ico { margin-top: 3px; color: var(--accent); }
.contact-ligne a { color: var(--encre); font-weight: 600; }
.contact-astuce { border-top: 1px solid var(--trait); padding-top: 16px; display: grid; gap: 8px; font-size: 16px; }
@media (max-width: 900px) {
  .contact-grille { grid-template-columns: minmax(0, 1fr); }
  .contact-aparte { position: static; }
}
@media (max-width: 600px) { .champs-2 { grid-template-columns: minmax(0, 1fr); } }

/* ── Configurateur ───────────────────────────────────────────────────── */
.section-config { padding-top: clamp(28px, 4vw, 48px); }
.config { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 360px); gap: 28px 32px; align-items: start; }
.config-etapes { display: grid; gap: 20px; min-width: 0; }
.config-etape { border: 1px solid var(--trait); border-radius: var(--rayon); background: var(--carte); margin: 0; padding: 22px; min-width: 0; display: grid; gap: 18px; }
.config-etape[disabled] { opacity: .55; }
.config-etape legend { float: left; width: 100%; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: 20px; font-weight: 720; color: var(--encre); padding: 0; margin-bottom: 4px; }
.config-etape legend + * { clear: both; }
.config-num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--acier); color: #fff; font-size: 16px; }
.config-prix-etape { margin-left: auto; font-size: 16px; font-weight: 650; color: var(--accent); }
.config-dimensions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 24px; align-items: start; }
.config-champs { display: grid; gap: 16px; }
.config-schemas { display: grid; gap: 14px; }
.config-schemas .figure img { box-shadow: none; border: 1px solid var(--trait); }
@media (max-width: 700px) { .config-dimensions { grid-template-columns: minmax(0, 1fr); } }

.config-resultat { border-radius: 10px; background: var(--fond); border: 1px dashed var(--trait); padding: 16px 18px; display: grid; gap: 10px; }
.config-resultat-ok { background: var(--accent-clair); border: 1px solid transparent; }
.config-resultat h3 { font-size: 16px; }
.config-attente { color: var(--doux); }
.config-chiffres { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.config-chiffres div { background: #fff; border-radius: 8px; padding: 10px 12px; display: grid; }
.config-chiffres b { font-size: 22px; color: var(--encre); line-height: 1.2; }
.config-chiffres span { font-size: 14px; color: var(--doux); }
.config-alerte { background: var(--bois-clair); border-left: 4px solid var(--bois); padding: 10px 14px; border-radius: 6px; font-size: 15px; }
.config-confort .est-confortable, .est-confortable span { color: var(--vert); font-weight: 700; }
.pas-confortable span { color: var(--rouge); font-weight: 700; }
.config-note { font-size: 14px; color: var(--doux); font-style: italic; }
.config-consigne { color: var(--doux); font-size: 15px; }

.choix-grille { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.choix-grille-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.choix-grille-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.choix { position: relative; display: grid; grid-template-rows: auto 1fr; border: 2px solid var(--trait); border-radius: 10px; background: #fff; cursor: pointer; overflow: hidden; transition: border-color .15s ease, box-shadow .15s ease; }
.choix:hover { border-color: #b3ac9d; }
.choix input { position: absolute; opacity: 0; pointer-events: none; }
.choix-visuel { display: grid; place-items: center; aspect-ratio: 3 / 2; background: var(--fond); overflow: hidden; }
.choix-visuel img { width: 100%; height: 100%; object-fit: cover; }
.choix-ico { width: 44px; height: 44px; color: var(--acier); stroke-width: 1.5; }
.choix-grille-2 .choix-visuel { aspect-ratio: 5 / 2; }
.choix-nom { padding: 10px 12px; font-weight: 620; font-size: 15px; color: var(--encre); line-height: 1.3; }
.choix:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(36, 95, 128, .18); }
.choix:has(input:checked) .choix-nom { background: var(--accent); color: #fff; }
.choix:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: 2px; }
.config-etape[disabled] .choix { cursor: not-allowed; }
.config-desc { white-space: pre-line; font-size: 15px; background: var(--fond); border-radius: 8px; padding: 12px 16px; }
@media (max-width: 1100px) { .choix-grille-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .choix-grille { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.config-recap { position: sticky; top: 88px; background: var(--acier); color: #d4d7da; border-radius: var(--rayon); padding: 22px; display: grid; gap: 16px; }
.config-recap h2 { color: #fff; font-size: 22px; }
.recap-liste { margin: 0; display: grid; gap: 10px; font-size: 15px; }
.recap-liste div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0 12px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.recap-liste dt { grid-column: 1 / -1; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: #9aa0a6; }
.recap-liste dd { margin: 0; color: #fff; }
.recap-prix { text-align: right; font-weight: 650; white-space: nowrap; }
.recap-total { background: #fff; color: var(--encre); border-radius: 10px; padding: 14px 16px; }
.recap-total-titre { font-size: 14px; color: var(--doux); }
.recap-total-montant { font-size: 28px; font-weight: 780; line-height: 1.2; }
.recap-comprend { list-style: none; display: grid; gap: 6px; font-size: 15px; }
.recap-comprend li { display: flex; gap: 8px; align-items: flex-start; }
.recap-comprend .ico { color: var(--bois); margin-top: 2px; }
.recap-note { font-size: 13px; color: #9aa0a6; }
.recap-bouton { background: var(--bois); color: var(--acier); width: 100%; }
.recap-bouton:hover { background: #fff; color: var(--acier); }
.recap-manque { font-size: 14px; color: #9aa0a6; text-align: center; }
.recap-autre { text-align: center; font-size: 15px; }
.recap-autre a { color: #fff; }
.config-demande { grid-column: 1; }
.config-demande-intro { color: var(--doux); }
.config-envoyee { border-color: var(--vert); }
.config-envoyee h2 { font-size: 24px; }
@media (max-width: 960px) {
  .config { grid-template-columns: minmax(0, 1fr); }
  .config-recap { position: static; }
}
/* Téléphone : le total reste visible en bas de l'écran. */
.config-barre { display: none; }
@media (max-width: 960px) {
  .config-barre.visible {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 15;
    align-items: center; justify-content: space-between; gap: 12px;
    padding: 10px 16px; background: var(--acier); color: #fff; box-shadow: 0 -6px 20px rgba(0, 0, 0, .2);
  }
  .config-barre-total { font-weight: 750; font-size: 18px; }
  .page-config .pied { padding-bottom: 80px; }
}

/* ── Pied de page ────────────────────────────────────────────────────── */
.pied { border-top: 1px solid var(--trait); padding: 48px 0 28px; font-size: 15px; background: var(--fond); }
.pied-grille { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.pied-marque { display: grid; gap: 12px; align-content: start; }
.pied-marque > p:first-of-type { color: var(--doux); }
.pied-adresse { display: flex; gap: 8px; align-items: flex-start; }
.pied-adresse .ico { margin-top: 3px; color: var(--accent); }
.pied-adresse a { color: var(--texte); }
.pied-titre { font-weight: 700; color: var(--encre); margin-bottom: 10px; }
.pied-liens { display: flex; flex-direction: column; gap: 8px; }
.pied-liens a { color: var(--texte); text-decoration: none; }
.pied-liens a:hover { color: var(--accent); text-decoration: underline; }
.pied-bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--trait); color: var(--doux); font-size: 14px; }
@media (max-width: 760px) { .pied-grille { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .pied-marque { grid-column: 1 / -1; } }
@media (max-width: 420px) { .pied-grille { grid-template-columns: minmax(0, 1fr); } }

/* Portrait (Qui sommes-nous) : rond, plus petit qu'une photo de projet. */
.bandeau-portrait { justify-self: center; width: min(300px, 100%); }
.bandeau-portrait img { border-radius: 50%; aspect-ratio: 1; object-fit: cover; }
.bandeau-portrait figcaption { text-align: center; }