/* Page d'accueil publique (accueil.html). S'appuie sur les variables, les boutons, le logo et
   les icônes d'app.css ; ajoute un bandeau « vert nuit » (charte QSBAIL des mails). */

:root {
  --nuit: #0b211b;
  --nuit-2: #10332a;
  --sur-nuit: #eef5f1;
  --sur-nuit-muted: #b4c9bf;
  --accent-nuit: #5eead4;
  --accent-nuit-fort: #2dd4bf;
  --sur-accent-nuit: #04211e;
  --largeur-page: 1160px;
  --espace-section: clamp(56px, 9vw, 104px);
}

body.page-accueil {
  font-size: 16px;
  line-height: 1.55;
  overflow-x: clip;
}

body.page-accueil.menu-ouvert {
  overflow: hidden;
}

/* app.css met en page le <main> de l'application (grille, largeur, marges) : ici, pleine largeur */
.page-accueil main {
  display: block;
  max-width: none;
  margin: 0;
  padding: 0;
}

.accueil-conteneur {
  width: min(var(--largeur-page), 100% - 32px);
  margin-inline: auto;
}

@media (min-width: 640px) {
  .accueil-conteneur {
    width: min(var(--largeur-page), 100% - 48px);
  }
}

.page-accueil h1,
.page-accueil h2,
.page-accueil h3 {
  text-wrap: balance;
}

.page-accueil p {
  text-wrap: pretty;
}

.aller-au-contenu {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 500;
  text-decoration: none;
}

.aller-au-contenu:focus-visible {
  top: 12px;
}

.surtitre {
  margin-bottom: 12px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.surtitre-nuit {
  color: var(--accent-nuit);
}

.bouton.grand {
  min-height: 48px;
  padding: 0 22px;
  font-size: 15px;
  border-radius: var(--radius);
}

.mono {
  font-family: var(--font-mono);
}

/* ------------------------------------------------------------ en-tête */

.entete-accueil {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duree) var(--courbe), box-shadow var(--duree) var(--courbe);
}

.entete-accueil[data-defile] {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.entete-accueil-contenu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.marque-accueil {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.marque-accueil-nom {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.navigation-accueil ul {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.navigation-accueil a:not(.bouton) {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--duree-courte) var(--courbe), background-color var(--duree-courte) var(--courbe);
}

.navigation-accueil a:not(.bouton):hover {
  color: var(--text);
  background: var(--surface-2);
}

.navigation-accueil-connexion {
  display: none;
}

.entete-accueil-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bouton-menu {
  display: none;
}

.bouton-menu .icone-fermer,
.bouton-menu[aria-expanded="true"] .icone-ouvrir {
  display: none;
}

.bouton-menu[aria-expanded="true"] .icone-fermer {
  display: block;
}

@media (max-width: 899px) {
  /* sous l'en-tête (son backdrop-filter en ferait le bloc de référence d'une position fixe) */
  .navigation-accueil {
    position: absolute;
    inset: 100% 0 auto;
    height: calc(100dvh - 64px);
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    overflow-y: auto;
  }

  .navigation-accueil.ouvert {
    display: flex;
  }

  .navigation-accueil ul {
    flex-direction: column;
    gap: 2px;
  }

  .navigation-accueil a:not(.bouton) {
    min-height: 48px;
    font-size: 16px;
  }

  .navigation-accueil-connexion {
    display: inline-flex;
    min-height: 48px;
  }

  .entete-connexion {
    display: none;
  }

  .bouton.bouton-menu {
    display: inline-flex;
    width: 44px; /* cible tactile ; .bouton.icone-seule d'app.css fait 40 px */
    height: 44px;
  }
}

/* ------------------------------------------------------------ accroche */

.heros {
  position: relative;
  padding-top: clamp(40px, 7vw, 88px);
  background: var(--nuit);
  color: var(--sur-nuit);
  overflow: hidden;
}

.heros::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(60% 60% at 75% 30%, rgb(45 212 191 / 0.22), transparent 70%),
    radial-gradient(40% 50% at 15% 80%, rgb(184 217 106 / 0.12), transparent 70%);
  pointer-events: none;
}

.heros-grille {
  position: relative;
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 980px) {
  .heros-grille {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 56px;
  }
}

.heros h1 {
  font-size: clamp(2rem, 1.2rem + 2.7vw, 3.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: #fff;
}

.heros-accroche {
  margin-top: 22px;
  max-width: 58ch;
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.15rem);
  line-height: 1.6;
  color: var(--sur-nuit-muted);
}

.heros-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.heros .bouton.principal,
.section-nuit .bouton.principal,
.appel .bouton.principal {
  background: var(--accent-nuit-fort);
  border-color: var(--accent-nuit-fort);
  color: var(--sur-accent-nuit);
}

.heros .bouton.principal:hover,
.section-nuit .bouton.principal:hover,
.appel .bouton.principal:hover {
  background: var(--accent-nuit);
  border-color: var(--accent-nuit);
}

.heros .bouton:not(.principal),
.appel .bouton:not(.principal) {
  background: rgb(255 255 255 / 0.04);
  border-color: rgb(255 255 255 / 0.28);
  color: #fff;
}

.heros .bouton:not(.principal):hover,
.appel .bouton:not(.principal):hover {
  background: rgb(255 255 255 / 0.1);
  border-color: rgb(255 255 255 / 0.5);
}

.heros :focus-visible,
.section-nuit :focus-visible,
.appel :focus-visible {
  outline-color: var(--accent-nuit);
}

.heros-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 14px;
  color: var(--sur-nuit-muted);
}

.heros-visuel {
  position: relative;
}

.cadre-navigateur {
  margin: 0;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 30px 80px -24px rgb(0 0 0 / 0.65), 0 0 0 1px rgb(255 255 255 / 0.12);
  overflow: hidden;
}

.cadre-navigateur-barre {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  background: #e8eef0;
  border-bottom: 1px solid #d5dde0;
}

.cadre-navigateur-barre span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c3ccd0;
}

.cadre-navigateur-barre em {
  margin-left: 10px;
  padding: 3px 10px;
  border-radius: 6px;
  background: #fff;
  font-style: normal;
  font-size: 11.5px;
  color: #64748b;
}

.cadre-navigateur img,
.cadre-simple img {
  display: block;
  width: 100%;
  height: auto;
}

.heros-etiquette {
  position: absolute;
  left: -18px;
  bottom: 28px;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: #fff;
  color: #0f172a;
  font-size: 13.5px;
  box-shadow: 0 18px 40px -16px rgb(0 0 0 / 0.5);
}

.heros-etiquette .mono {
  color: #475569;
  font-size: 12.5px;
}

@media (min-width: 980px) {
  .heros-etiquette {
    display: inline-flex;
  }
}

.heros-reperes {
  display: grid;
  gap: 14px 32px;
  margin-top: clamp(40px, 6vw, 64px);
  padding: 22px 0 26px;
  border-top: 1px solid rgb(255 255 255 / 0.12);
}

@media (min-width: 720px) {
  .heros-reperes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.heros-reperes p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--sur-nuit-muted);
}

.heros-reperes .icone {
  margin-top: 2px;
  color: var(--accent-nuit);
}

.heros-reperes strong {
  color: #fff;
  font-weight: 600;
}

/* ------------------------------------------------------------ plateformes */

.plateformes {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.plateformes-contenu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  min-height: 64px;
  padding: 12px 0;
}

.plateformes-libelle {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.plateformes-liste {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plateformes-liste li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pastille-plateforme {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--text-muted);
}

.pastille-plateforme::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.pastille-plateforme.airbnb {
  background: var(--airbnb-soft);
  color: var(--airbnb-text);
}

.pastille-plateforme.airbnb::before {
  background: var(--airbnb);
}

.pastille-plateforme.booking {
  background: var(--booking-soft);
  color: var(--booking-text);
}

.pastille-plateforme.booking::before {
  background: var(--booking);
}

.pastille-plateforme.abritel {
  background: var(--abritel-soft);
  color: var(--abritel-text);
}

.pastille-plateforme.abritel::before {
  background: var(--abritel);
}

.pastille-plateforme.leboncoin {
  background: var(--leboncoin-soft);
  color: var(--leboncoin-text);
}

.pastille-plateforme.leboncoin::before {
  background: var(--leboncoin);
}

.heros-etiquette .pastille-plateforme.airbnb {
  background: #fde8ef;
  color: #9f1239;
}

/* ------------------------------------------------------------ sections */

.section {
  padding-block: var(--espace-section);
}

.section-contraste {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.section-entete {
  max-width: 720px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section h2 {
  font-size: clamp(1.55rem, 1.15rem + 1.6vw, 2.35rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-intro {
  margin-top: 16px;
  font-size: 17px;
  color: var(--text-muted);
}

.section h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
}

/* étapes */

.parcours {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: etape;
}

@media (min-width: 820px) {
  .parcours {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

.parcours-etape {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 8px 16px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.parcours-numero {
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-faint);
}

.parcours-icone,
.carte-fonction-icone {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  flex: none;
}

.parcours-etape h3 {
  align-self: center;
}

.parcours-etape p {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 15.5px;
}

/* cartes de fonctionnalités et de confiance */

.cartes-fonctions,
.cartes-confiance {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 680px) {
  .cartes-fonctions,
  .cartes-confiance {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .cartes-fonctions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cartes-confiance {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.carte-fonction,
.carte-confiance {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  transition: transform var(--duree) var(--courbe), box-shadow var(--duree) var(--courbe),
    border-color var(--duree) var(--courbe);
}

.carte-confiance {
  background: var(--surface);
}

@media (hover: hover) {
  .carte-fonction:hover,
  .carte-confiance:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
  }
}

.carte-fonction p,
.carte-confiance p {
  color: var(--text-muted);
  font-size: 15.5px;
}

.carte-fonction h3 {
  margin-top: 4px;
}

/* vitrine */

.vitrine {
  display: grid;
  gap: clamp(56px, 8vw, 96px);
}

.vitrine-ligne {
  display: grid;
  gap: 32px;
  align-items: center;
}

@media (min-width: 900px) {
  .vitrine-ligne {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
  }

  .vitrine-ligne-inverse .vitrine-texte {
    order: 2;
  }
}

.vitrine-texte p:not(.surtitre) {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 16.5px;
}

.liste-coches {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.liste-coches li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.liste-coches .icone {
  color: var(--success);
}

.cadre-simple {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.cadre-portrait {
  width: min(100%, 420px);
  justify-self: center;
}

@media (min-width: 900px) {
  .cadre-portrait {
    justify-self: end;
  }
}

/* méthode (bandeau nuit) */

.section-nuit {
  background: var(--nuit);
  color: var(--sur-nuit);
}

.section-nuit h2 {
  color: #fff;
}

.section-nuit .section-intro,
.section-nuit p {
  color: var(--sur-nuit-muted);
}

.section-nuit a {
  color: var(--accent-nuit);
}

.methode {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgb(255 255 255 / 0.12);
  border: 1px solid rgb(255 255 255 / 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 680px) {
  .methode {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .methode {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.methode-etape {
  padding: 28px 24px 30px;
  background: var(--nuit);
}

.methode-etape h3 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 22px;
  color: #fff;
}

.methode-etape h3 span {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-nuit);
}

.methode-etape p {
  margin-top: 14px;
  font-size: 15px;
}

.principes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.principes li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

.principes .icone {
  color: var(--accent-nuit);
}

.contexte {
  display: grid;
  gap: 8px 32px;
  align-items: center;
  margin-top: clamp(40px, 6vw, 64px);
  padding: 24px 28px;
  border-left: 3px solid var(--accent-nuit);
  background: var(--nuit-2);
  border-radius: 0 var(--radius) var(--radius) 0;
}

@media (min-width: 820px) {
  .contexte {
    grid-template-columns: auto 1fr;
  }
}

.contexte-chiffre {
  font-size: clamp(1.9rem, 1.4rem + 2vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #fff !important;
  font-variant-numeric: tabular-nums;
}

.contexte p:not(.contexte-chiffre) {
  font-size: 15.5px;
}

/* questions */

.questions-grille {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .questions-grille {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 64px;
  }

  .questions-grille .section-entete {
    position: sticky;
    top: 88px;
    align-self: start; /* sans quoi l'en-tête s'étire sur toute la hauteur : plus de collage, et l'apparition au défilement l'attendrait */
    margin-bottom: 0;
  }
}

.questions {
  display: grid;
  gap: 10px;
}

.question {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.question summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius);
}

.question summary::-webkit-details-marker {
  display: none;
}

.question summary .icone {
  color: var(--text-faint);
  transition: transform var(--duree) var(--courbe);
}

.question[open] summary .icone {
  transform: rotate(180deg);
}

.question[open] summary {
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
}

.question p {
  padding: 14px 18px 18px;
  color: var(--text-muted);
  font-size: 15.5px;
}

/* appel final */

.section-appel {
  padding-top: 0;
}

.appel {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: clamp(32px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 90% at 90% 10%, rgb(45 212 191 / 0.22), transparent 70%),
    var(--nuit);
  color: var(--sur-nuit);
}

@media (min-width: 900px) {
  .appel {
    grid-template-columns: minmax(0, 1.4fr) auto;
  }
}

.appel h2 {
  color: #fff;
}

.appel p:not(.surtitre) {
  margin-top: 12px;
  color: var(--sur-nuit-muted);
}

.appel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ------------------------------------------------------------ pied de page */

.pied-accueil {
  border-top: 1px solid var(--border);
  background: var(--surface);
  font-size: 14.5px;
  color: var(--text-muted);
}

.pied-accueil-grille {
  display: grid;
  gap: 32px;
  padding: 48px 0 32px;
}

@media (min-width: 820px) {
  .pied-accueil-grille {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }
}

.pied-accueil-marque p {
  margin-top: 16px;
  max-width: 44ch;
}

.pied-accueil-colonne h2 {
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.pied-accueil-colonne ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pied-accueil-colonne a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.pied-accueil-colonne a:hover {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pied-accueil-colonne .icone {
  color: var(--text-faint);
}

.pied-accueil-bas {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 18px 0 28px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-faint);
}

/* ------------------------------------------------------------ mouvement */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .apparait {
      animation: apparaitre 600ms var(--courbe) both;
      animation-timeline: view();
      animation-range: entry 0% entry 28%;
    }
  }
}

@keyframes apparaitre {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .page-accueil *,
  .page-accueil *::before,
  .page-accueil *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}