/* Site vitrine KwèTché : bleu nuit et ocre, comme l'application. */
:root {
  --nuit: #0F1E36;
  --nuit-2: #1A2B47;
  --ocre: #E0A33A;
  --ocre-fonce: #B07A1F;
  --encre: #1D2433;
  --gris: #4B5675;
  --gris-clair: #78829D;
  --trait: #E3E7EF;
  --fond: #FFFFFF;
  --fond-doux: #F6F8FB;
  --bleu: #1B84FF;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--encre);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--bleu); }
.conteneur { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* En-tête */
.entete { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--trait); }
.entete .conteneur { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.entete nav { display: flex; gap: 28px; font-size: 14px; }
.entete nav a { color: var(--gris); text-decoration: none; }
.entete nav a:hover { color: var(--nuit); }
.marque img { height: 30px; width: auto; }

/* Boutons */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 8px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
}
.bouton-principal { background: var(--bleu); color: #fff; }
.bouton-principal:hover { background: #056EE9; }
.bouton-clair { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .3); }
.bouton-clair:hover { background: rgba(255, 255, 255, .18); }

/* Accroche */
.accroche { position: relative; overflow: hidden; background: var(--nuit); color: #fff; }
.accroche::before {
  content: ""; position: absolute; inset: 0;
  background: url("assets/fond-tontine.jpg") center / cover no-repeat;
  filter: grayscale(1); opacity: .14;
}
.accroche .conteneur { position: relative; padding-top: 88px; padding-bottom: 96px; }
.etiquette {
  display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 13px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2);
}
.accroche h1 { margin: 20px 0 0; font-size: clamp(34px, 5vw, 52px); line-height: 1.12; letter-spacing: -.02em; font-weight: 700; }
.accroche p.chapo { max-width: 600px; margin: 20px 0 0; font-size: 18px; color: rgba(255, 255, 255, .85); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.atouts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 32px 0 0; padding: 0; list-style: none; font-size: 15px; color: rgba(255, 255, 255, .85); }
.atouts li { display: flex; align-items: center; gap: 10px; }
.atouts li::before { content: ""; width: 14px; height: 2px; background: var(--ocre); }

/* Sections */
section.bloc { padding: 80px 0; border-top: 1px solid var(--trait); }
section.bloc.doux { background: var(--fond-doux); }
h2 { margin: 0; font-size: clamp(26px, 3vw, 32px); line-height: 1.25; letter-spacing: -.01em; color: var(--nuit); }
.intro { max-width: 680px; margin: 12px 0 0; color: var(--gris); }

.principe { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.cercle { width: 300px; height: 300px; border-radius: 50%; background: var(--nuit); display: flex; align-items: center; justify-content: center; margin: 0 auto; }
.cercle img { width: 260px; height: 260px; }
ol.etapes { list-style: none; margin: 32px 0 0; padding: 0; display: flex; flex-direction: column; gap: 22px; }
ol.etapes li { display: flex; gap: 16px; }
.numero {
  flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--ocre); color: var(--nuit);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px;
}
ol.etapes strong { display: block; color: var(--nuit); }
ol.etapes span.texte { font-size: 15px; color: var(--gris); }

.grille { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.carte { background: #fff; border: 1px solid var(--trait); border-radius: 12px; padding: 24px; }
.carte h3 { margin: 0; font-size: 17px; color: var(--nuit); }
.carte p { margin: 8px 0 0; font-size: 15px; color: var(--gris); }
.carte .trait { width: 28px; height: 3px; background: var(--ocre); border-radius: 2px; margin-bottom: 16px; }

.questions { max-width: 780px; }
details { background: #fff; border: 1px solid var(--trait); border-radius: 10px; padding: 16px 20px; margin-top: 12px; }
summary { cursor: pointer; font-weight: 600; color: var(--nuit); }
details p { margin: 10px 0 0; color: var(--gris); }

/* Éditeur et contact : informations vérifiables par les plateformes et les autorités */
.editeur { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.fiche { background: #fff; border: 1px solid var(--trait); border-radius: 12px; padding: 24px; }
.fiche dl { display: grid; grid-template-columns: 150px 1fr; gap: 10px 16px; margin: 0; font-size: 15px; }
.fiche dt { color: var(--gris-clair); }
.fiche dd { margin: 0; color: var(--encre); }

/* Pied */
.pied { background: var(--nuit); color: rgba(255, 255, 255, .75); font-size: 14px; }
.pied .conteneur { padding-top: 40px; padding-bottom: 40px; display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; }
.pied a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.pied a:hover { color: #fff; text-decoration: underline; }
.pied nav { display: flex; flex-wrap: wrap; gap: 20px; }
.pied img { height: 26px; width: auto; }

/* Pages de texte (mentions légales, confidentialité) */
.texte-legal { max-width: 820px; padding-top: 56px; padding-bottom: 80px; }
.texte-legal h1 { font-size: clamp(28px, 4vw, 38px); color: var(--nuit); margin: 0 0 8px; letter-spacing: -.01em; }
.texte-legal .maj { color: var(--gris-clair); font-size: 14px; margin: 0 0 32px; }
.texte-legal h2 { font-size: 21px; margin: 36px 0 10px; }
.texte-legal p, .texte-legal li { color: var(--encre); }
.texte-legal ul { padding-left: 22px; }

@media (max-width: 900px) {
  .entete nav { display: none; }
  .principe, .editeur { grid-template-columns: 1fr; gap: 32px; }
  .grille { grid-template-columns: 1fr; }
  .fiche dl { grid-template-columns: 1fr; gap: 2px; }
  .fiche dd { margin-bottom: 10px; }
  section.bloc { padding: 56px 0; }
  .accroche .conteneur { padding-top: 56px; padding-bottom: 64px; }
}