/* Volta Élec – maquette de démonstration ILEA
   Style « lumineux et rassurant » : blanc, grands aplats jaune électrique, noir pour le texte,
   titres en Sora (gras et géométrique), vraies photos de chantier. */
:root { --jaune: #ffd21f; --jaune-pale: #fff6cc; --noir: #15171a; --gris: #5d636b; --fond: #f6f6f3; --blanc: #fff; --rayon: 18px; --titre: "Sora", Arial, sans-serif; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Inter", Arial, sans-serif; color: var(--noir); background: var(--blanc); font-size: 17px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--titre); line-height: 1.1; letter-spacing: -.02em; }
h2 { font-size: clamp(30px, 4vw, 46px); max-width: 720px; margin-bottom: 34px; }
.section { width: min(1180px, 100% - 32px); margin-inline: auto; padding: clamp(56px, 8vw, 100px) 0; }
.sur-titre { display: inline-block; background: var(--jaune); font-weight: 600; font-size: 14px; padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.note { font-size: 14px; color: var(--gris); margin-top: 18px; font-style: italic; }
.btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; padding: 15px 24px; border-radius: 12px; border: 2px solid transparent; cursor: pointer; font-family: inherit; font-size: 16px; transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(0,0,0,.12); }
.btn-jaune { background: var(--jaune); color: var(--noir); }
.btn-noir { background: var(--noir); color: #fff; }
.btn-contour { border-color: var(--noir); }

.bandeau-demo { background: var(--noir); color: #fff; font: 600 13px/1.4 Arial, sans-serif; text-align: center; padding: 8px 16px; }
.bandeau-demo a { text-decoration: underline; }
.entete { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px clamp(16px, 4vw, 48px); background: rgba(255,255,255,.95); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #eee; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--titre); font-weight: 800; font-size: 24px; }
.eclair { width: 38px; height: 38px; border-radius: 10px; background: var(--jaune); display: grid; place-items: center; }
.eclair svg { width: 22px; height: 22px; fill: var(--noir); }
.menu { display: flex; gap: 28px; font-weight: 500; font-size: 15px; }
.menu a:hover { text-decoration: underline; text-decoration-color: var(--jaune); text-decoration-thickness: 3px; }

.accroche { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; width: min(1240px, 100% - 32px); margin-inline: auto; padding: clamp(40px, 6vw, 80px) 0; }
.dispo { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; background: var(--fond); padding: 6px 14px; border-radius: 999px; }
.dispo i { width: 9px; height: 9px; border-radius: 50%; background: #1fbf5a; box-shadow: 0 0 0 4px rgba(31,191,90,.2); }
.accroche h1 { font-size: clamp(40px, 5.6vw, 70px); font-weight: 800; margin: 20px 0; }
.accroche h1 span { background: var(--jaune); padding: 0 .15em; border-radius: 8px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.chapo { color: var(--gris); font-size: 19px; max-width: 540px; }
.boutons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.preuves { list-style: none; display: flex; flex-wrap: wrap; gap: 14px 34px; margin-top: 34px; color: var(--gris); font-size: 14px; }
.preuves b { display: block; font-family: var(--titre); font-size: 28px; color: var(--noir); }
.accroche-photo { position: relative; }
.accroche-photo::before { content: ""; position: absolute; inset: 24px -24px -24px 24px; background: var(--jaune); border-radius: 28px; z-index: -1; }
.accroche-photo img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 28px; }
.badge-photo { position: absolute; left: -24px; bottom: 34px; background: #fff; border-radius: 16px; padding: 14px 18px; box-shadow: 0 16px 34px rgba(0,0,0,.15); }
.badge-photo b { display: block; font-family: var(--titre); }
.badge-photo span { font-size: 14px; color: var(--gris); }

.cartes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.carte-photo { background: var(--fond); border-radius: var(--rayon); overflow: hidden; }
.carte-photo img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.carte-photo div { padding: 20px 22px 24px; }
.carte-photo h3 { font-size: 22px; margin-bottom: 6px; }
.carte-photo p { color: var(--gris); font-size: 16px; }
.petits-services { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.petits-services li { border: 1.5px solid #e2e2dc; border-radius: 999px; padding: 8px 16px; font-weight: 500; font-size: 15px; }
.petits-services li::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--jaune); margin-right: 8px; vertical-align: middle; }

.securite { background: var(--jaune); }
.securite-contenu { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; }
.securite .sur-titre { background: var(--noir); color: #fff; }
.securite-contenu > div > p:last-child { font-size: 18px; max-width: 420px; }
.test { background: #fff; border-radius: 22px; padding: 26px; box-shadow: 0 20px 40px rgba(0,0,0,.1); display: grid; }
.test label { display: flex; gap: 12px; align-items: center; padding: 11px 0; border-bottom: 1px solid #eee; cursor: pointer; font-weight: 500; }
.test input { width: 20px; height: 20px; accent-color: var(--noir); }
.jauge { height: 12px; background: #eee; border-radius: 99px; margin-top: 18px; overflow: hidden; }
.jauge-barre { height: 100%; width: 0; background: #1fbf5a; border-radius: 99px; transition: width .3s, background .3s; }
.jauge-barre.orange { background: #ff9f1a; }
.jauge-barre.rouge { background: #e5402f; }
.resultat { margin-top: 12px; font-weight: 600; min-height: 2.8em; }

.etapes { list-style: none; counter-reset: e; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.etapes li { counter-increment: e; background: var(--fond); border-radius: var(--rayon); padding: 22px; color: var(--gris); font-size: 15px; }
.etapes li::before { content: counter(e); display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--jaune); color: var(--noir); font-family: var(--titre); font-weight: 800; font-size: 20px; margin-bottom: 14px; }
.etapes b { display: block; color: var(--noir); font-size: 18px; margin-bottom: 4px; }

.avis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.avis blockquote { border: 1.5px solid #ececE6; border-radius: var(--rayon); padding: 24px; }
.avis span { color: #f2b200; letter-spacing: 2px; }
.avis p { font-size: 18px; font-weight: 500; margin: 10px 0 14px; }
.avis footer { color: var(--gris); font-size: 14px; }

.contact { background: var(--noir); color: #fff; }
.contact-contenu { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact h2 { margin-bottom: 14px; }
.contact-contenu > div > p { color: #b9bec6; }
.tel-geant { display: inline-block; font-family: var(--titre); font-size: clamp(34px, 4.6vw, 54px); font-weight: 800; color: var(--jaune); margin: 22px 0; }
.zone { font-size: 15px; }
.zone b { color: #fff; }
form { background: #fff; color: var(--noir); border-radius: 22px; padding: 24px; display: grid; gap: 10px; }
form input, form select, form textarea { font: inherit; border: 1.5px solid #e2e2dc; border-radius: 12px; padding: 13px 14px; background: #fff; }
form input:focus, form select:focus, form textarea:focus { outline: 2px solid var(--jaune); }
.pied { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 22px clamp(16px, 4vw, 48px) 90px; font-size: 14px; color: var(--gris); }
.appel-mobile { display: none; }

@media (max-width: 900px) {
  .menu { display: none; }
  .accroche, .securite-contenu, .contact-contenu { grid-template-columns: 1fr; }
  .accroche-photo { margin: 0 24px 24px 0; }
  .accroche-photo img { aspect-ratio: 4 / 3; }
  .badge-photo { left: 12px; bottom: 12px; }
  .cartes, .avis { grid-template-columns: 1fr; }
  .etapes { grid-template-columns: 1fr 1fr; }
  .appel-mobile { display: block; position: fixed; left: 12px; right: 12px; bottom: 12px; background: var(--jaune); color: var(--noir); text-align: center; font-weight: 700; padding: 15px; border-radius: 14px; z-index: 30; box-shadow: 0 8px 20px rgba(0,0,0,.2); }
}
@media (max-width: 520px) {
  .entete .btn { padding: 10px 12px; font-size: 14px; }
  .logo { font-size: 20px; }
  .etapes { grid-template-columns: 1fr; }
}

.carte-maps { width: 100%; height: 240px; border: 0; border-radius: 18px; margin-top: 22px; display: block; }
.note-carte { font-size: 13px; color: #8d939b; margin-top: 6px; }