/* FONCIER-SCAN — page de vente et de téléchargement */
:root {
  --encre: #12211d;
  --encre-2: #33403c;
  --encre-3: #6c7b77;
  --ocre: #b4622b;
  --vert: #1f6b5b;
  --bleu: #2b6f9e;
  --fond: #fbfaf8;
  --fond-2: #f3f1ec;
  --carte: #ffffff;
  --ligne: #e3e0d9;
  --sans: 'Satoshi', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --pas: clamp(64px, 9vw, 120px);
  --rayon: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fond); color: var(--encre-2);
  font-family: var(--sans); font-size: 16.5px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--ocre); text-decoration-thickness: 1px; text-underline-offset: 2px; }
.enveloppe { width: min(1140px, calc(100% - 44px)); margin-inline: auto; }

h1, h2, h3, h4 { color: var(--encre); line-height: 1.15; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: clamp(32px, 4.1vw, 47px); font-weight: 700; }
h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; }
h3 { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.sur-titre {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ocre); font-weight: 600; margin-bottom: 14px;
}
.chapeau { font-size: clamp(17px, 1.6vw, 20px); color: var(--encre-2); max-width: 62ch; }

/* ---------------------------------------------------------------- en-tête */
header.barre {
  position: sticky; top: 0; z-index: 50; background: rgba(18, 33, 29, .97);
  backdrop-filter: blur(8px); color: #e7ece9;
}
.barre .enveloppe {
  display: flex; align-items: center; gap: 28px; height: 62px;
}
.marque { display: flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; }
.marque svg { width: 30px; height: 30px; flex: none; }
.marque b { font-size: 15.5px; letter-spacing: .12em; font-weight: 700; }
.marque span { display: block; font-size: 9.5px; letter-spacing: .13em; color: #93a6a0; }
.barre nav { margin-left: auto; display: flex; gap: 24px; font-size: 14px; }
.barre nav a { color: #c8d3cf; text-decoration: none; }
.barre nav a:hover { color: #fff; }
.barre .btn { padding: 8px 15px; font-size: 13.5px; }
@media (max-width: 860px) { .barre nav { display: none; } }
@media (max-width: 560px) {
  header.barre .marque span span { display: none; }
  .barre .enveloppe { height: 56px; gap: 14px; }
  .enveloppe { width: calc(100% - 34px); }
}

/* --------------------------------------------------------------- boutons */
.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 13px 22px;
  border-radius: 9px; background: var(--ocre); color: #fff; font-weight: 600;
  font-size: 15px; text-decoration: none; border: 1px solid transparent;
  transition: filter .15s ease, transform .15s ease;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn.fantome { background: transparent; color: var(--encre); border-color: var(--ligne); }
.btn.fantome:hover { border-color: var(--ocre); color: var(--ocre); filter: none; }
.btn.clair { background: #fff; color: var(--encre); }
.btn.vert { background: var(--vert); }
/* Variante contour claire, lisible sur les panneaux sombres (encadré tarif). */
.btn.fantome-clair { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn.fantome-clair:hover { border-color: #fff; color: #fff; filter: none; }

/* ------------------------------------------------------------------ héros */
.heros { padding: calc(var(--pas) * .9) 0 0; background:
  radial-gradient(1200px 420px at 15% -12%, #eef3f0 0%, transparent 70%), var(--fond); }

.heros h1 { margin-bottom: 18px; }
.heros .chapeau { margin-bottom: 26px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.note-action { font-size: 13px; color: var(--encre-3); margin-top: 14px; }
.reperes { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 34px; }
.repere strong { display: block; font-size: 25px; color: var(--encre); letter-spacing: -.02em; }
.repere span { font-size: 12.5px; color: var(--encre-3); letter-spacing: .03em; }
.capture {
  border: 1px solid var(--ligne); border-radius: var(--rayon); overflow: hidden;
  background: var(--carte); box-shadow: 0 22px 44px -28px rgba(18, 33, 29, .45);
}
.capture figcaption {
  font-size: 12.5px; color: var(--encre-3); padding: 9px 13px;
  border-top: 1px solid var(--ligne); background: var(--fond-2);
}
.heros .capture { margin-top: 6px; }
@media (max-width: 900px) { .heros .grille { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- sections */
section { padding: var(--pas) 0; }
section.alt { background: var(--fond-2); border-block: 1px solid var(--ligne); }
.tete { max-width: 66ch; margin-bottom: 46px; }
.tete h2 + p { margin-top: 16px; }

.cartes { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.cartes.deux { grid-template-columns: repeat(2, 1fr); }
.carte {
  background: var(--carte); border: 1px solid var(--ligne); border-radius: var(--rayon);
  padding: 26px 24px;
}
.carte h3 { margin-bottom: 9px; }
.carte p { margin: 0; font-size: 14.8px; color: var(--encre-2); }
.carte .num {
  font-family: var(--mono); font-size: 12px; color: var(--ocre); letter-spacing: .1em;
  display: block; margin-bottom: 12px;
}
.carte ul { margin: 10px 0 0; padding-left: 18px; font-size: 14.5px; }
.carte li { margin-bottom: 5px; }
@media (max-width: 900px) { .cartes, .cartes.deux { grid-template-columns: 1fr; } }

.duo { display: grid; gap: 46px; grid-template-columns: 1fr 1fr; align-items: center; }
.duo.inverse > :first-child { order: 2; }
@media (max-width: 900px) { .duo { grid-template-columns: 1fr; } .duo.inverse > :first-child { order: 0; } }

.liste-plate { list-style: none; margin: 0; padding: 0; }
.liste-plate li {
  display: grid; grid-template-columns: 22px 1fr; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--ligne); font-size: 15px;
}
.liste-plate li:last-child { border-bottom: 0; }
.liste-plate svg { width: 18px; height: 18px; margin-top: 4px; color: var(--vert); }

/* ------------------------------------------------------------------- prix */
.prix {
  display: grid; gap: 0; grid-template-columns: 1.15fr .85fr;
  background: var(--carte); border: 1px solid var(--ligne); border-radius: var(--rayon);
  overflow: hidden;
}
.prix .gauche { padding: 38px 36px; }
.prix .droite { padding: 38px 36px; background: var(--encre); color: #d6dedb; }
.montant { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.montant b { font-size: clamp(38px, 5vw, 54px); color: var(--encre); letter-spacing: -.03em; line-height: 1; }
.montant span { font-size: 15px; color: var(--encre-3); }
.ttc { font-size: 13.5px; color: var(--encre-3); margin: 0 0 22px; }
.prix .droite h3 { color: #fff; margin-bottom: 14px; font-size: 17px; }
.prix .droite ul { margin: 0; padding-left: 18px; font-size: 14.5px; }
.prix .droite li { margin-bottom: 8px; }
.prix .droite .btn { margin-top: 20px; width: 100%; justify-content: center; }
@media (max-width: 860px) { .prix { grid-template-columns: 1fr; } }

/* ------------------------------------------------------- téléchargement */
.telecharger {
  background: var(--encre); color: #dfe6e3; border-radius: var(--rayon);
  padding: 40px 38px; display: grid; gap: 34px; grid-template-columns: 1.1fr .9fr;
  align-items: center;
}
.telecharger h2 { color: #fff; }
.telecharger p { color: #b9c6c2; }
.fichier {
  border: 1px solid #2c403a; border-radius: 11px; padding: 20px 22px; background: #182e28;
}
.fichier .nom { font-family: var(--mono); font-size: 13.5px; color: #fff; }
.fichier dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 14px 0 18px; font-size: 13.5px; }
.fichier dt { color: #8fa39d; }
.fichier dd { margin: 0; color: #e4ebe8; }
.fichier .btn { width: 100%; justify-content: center; }
@media (max-width: 860px) { .telecharger { grid-template-columns: 1fr; padding: 30px 24px; } }

/* -------------------------------------------------------------- questions */
details {
  background: var(--carte); border: 1px solid var(--ligne); border-radius: 11px;
  padding: 16px 20px; margin-bottom: 12px;
}
details[open] { border-color: #cfd8d4; }
summary {
  cursor: pointer; font-weight: 600; color: var(--encre); font-size: 16px;
  list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--ocre); font-size: 20px; line-height: 1; }
details[open] summary::after { content: '–'; }
details p { margin: 12px 0 0; font-size: 15px; }

/* ------------------------------------------------------------------- pied */
footer {
  background: var(--encre); color: #97a8a3; padding: 48px 0 34px; font-size: 14px;
}
footer .grille { display: grid; gap: 30px; grid-template-columns: 1.4fr 1fr 1fr; }
footer h4 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
footer a { color: #c3d0cc; text-decoration: none; }
footer a:hover { color: #fff; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin-bottom: 7px; }
.mentions { margin-top: 34px; padding-top: 20px; border-top: 1px solid #2a3c37; font-size: 12.5px; color: #7d8f8a; }
@media (max-width: 860px) { footer .grille { grid-template-columns: 1fr; } }

.avis {
  margin-top: 18px; padding: 14px 16px; border-radius: 10px; font-size: 13.5px;
  background: #fdf6ec; border: 1px solid #e6d3b8; color: #6d4a1e;
}

/* ------------------------------------------------ présentation des captures */
.intro-heros { max-width: 800px; }
.heros .reperes { max-width: 900px; }
.capture.large { margin-top: 44px; }
@media (min-width: 1240px) {
  .capture.large { margin-left: -86px; margin-right: -86px; }
}
figure { margin: 0; }
.capture picture { display: block; }
.capture.large img { width: 100%; height: auto; }
.capture.large figcaption { font-size: 13px; padding: 11px 16px; }
.mono > div { max-width: 780px; }
.mono .liste-plate { margin-bottom: 0; }
@media (max-width: 700px) {
  .capture.large { margin: 30px -12px 0; }
  .capture.large figcaption { font-size: 12px; padding: 9px 12px; }
  .capture { margin-left: 0; margin-right: 0; }
}

/* ---------------------------------------------- formulaire d'essai automatisé */
.formulaire-essai { margin-top: 30px; max-width: 640px; }
.formulaire-essai .champs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px;
}
.formulaire-essai label {
  display: flex; flex-direction: column; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: var(--encre-2);
}
.formulaire-essai input {
  font: inherit; font-weight: 400; color: var(--encre);
  padding: 11px 13px; border: 1px solid var(--ligne); border-radius: 9px;
  background: var(--carte); transition: border-color .15s, box-shadow .15s;
}
.formulaire-essai input::placeholder { color: var(--encre-3); }
.formulaire-essai input:focus {
  outline: none; border-color: var(--ocre);
  box-shadow: 0 0 0 3px rgba(180, 98, 43, .14);
}
.formulaire-essai button[disabled] { opacity: .6; cursor: progress; }
.note-essai { font-size: 13px; color: var(--encre-3); margin: 14px 0 0; max-width: 58ch; }
.retour-essai {
  font-size: 14px; line-height: 1.6; margin: 16px 0 0; padding: 13px 15px;
  border-radius: 9px; border: 1px solid var(--ligne); background: var(--fond-2);
}
.retour-essai.ok { border-color: rgba(31, 107, 91, .4); background: rgba(31, 107, 91, .08); color: var(--vert); }
.retour-essai.ko { border-color: rgba(180, 98, 43, .4); background: rgba(180, 98, 43, .08); color: var(--ocre); }
@media (max-width: 700px) {
  .formulaire-essai .champs { grid-template-columns: 1fr; }
}

/* ---------------------------------------------- baseline éditeur G.M.E.P */
.bandeau-editeur {
  background: #0f1c18; color: #b6c7c1; font-size: 11.5px; letter-spacing: .05em;
  padding: 7px 0; border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.bandeau-editeur b { color: #fff; font-weight: 600; letter-spacing: .08em; }
@media (max-width: 560px) { .bandeau-editeur { font-size: 10.5px; letter-spacing: .02em; } }
.editeur-baseline {
  margin-top: 14px; font-size: 12.5px; line-height: 1.6; letter-spacing: .02em;
  color: #fff; font-weight: 600;
}
footer ul.coordonnees { font-size: 13.5px; line-height: 1.6; }
footer ul.coordonnees li { margin-bottom: 11px; color: #c3d0cc; }
footer ul.coordonnees b { color: #fff; }

/* ------------------------------------------------ section « origine de l'outil »
   Encadré du risque d'aménagement (fonciers dégradés, anciennes ICPE, SIS). */
.encadre-risque{
  background: var(--carte);
  border: 1px solid var(--ligne);
  border-left: 3px solid var(--ocre);
  border-radius: var(--rayon);
  padding: 28px 30px;
}
.encadre-risque h3{ margin: 0 0 18px; }
.encadre-risque .liste-plate li{ margin-bottom: 13px; }
.encadre-risque .liste-plate b{ color: var(--encre); }
.note-risque{
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ligne);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--encre-3);
}
@media (max-width: 760px){ .encadre-risque{ padding: 22px; } }