/* Site de présentation de CheckBus : mêmes couleurs que l'application (mobile/src/styles.scss).
   Polices du système : aucune requête vers un service externe. */

:root {
  --nuit: #0b1b33;
  --nuit-texte-2: #a9b6cc;
  --fond: #f2f4f8;
  --surface: #ffffff;
  --bordure: #dfe4ec;
  --texte: #0f1b2d;
  --texte-2: #586679;
  --action: #1f6feb;
  --action-appuye: #1557c4;
  --rayon: 0.875rem;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--texte);
  background: var(--fond);
  line-height: 1.5;
}

a {
  color: var(--action);
}

.conteneur {
  max-inline-size: 70rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

section.conteneur {
  padding-block: 3rem 1rem;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.15;
  margin-block: 0 1rem;
}

h2 {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  margin-block: 0 1.25rem;
}

h3 {
  font-size: 1.1rem;
  margin-block: 0 0.5rem;
}

.entete {
  background: var(--nuit);
  color: #fff;
  position: sticky;
  inset-block-start: 0;
  z-index: 1;
}

.entete-contenu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

.marque {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
}

.marque img {
  border-radius: 0.5rem;
}

.bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 3rem;
  padding-inline: 1.25rem;
  border-radius: var(--rayon);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.bouton-principal {
  background: var(--action);
  color: #fff;
}

.bouton-principal:hover {
  background: var(--action-appuye);
}

.bouton-secondaire {
  background: var(--surface);
  color: var(--texte);
  border-color: var(--bordure);
}

.bouton-clair {
  background: #fff;
  color: var(--nuit);
  min-block-size: 2.5rem;
}

.accroche {
  background: var(--nuit);
  color: #fff;
  padding-block: 2.5rem 3rem;
}

.accroche-contenu {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.sous-titre {
  color: var(--nuit-texte-2);
  font-size: 1.15rem;
  max-inline-size: 36rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block: 1.5rem 1rem;
}

.avertissement {
  color: var(--nuit-texte-2);
  font-size: 0.9rem;
}

.capture {
  display: block;
  inline-size: 100%;
  block-size: auto;
  border-radius: 1.5rem;
  border: 6px solid #1c2c48;
  box-shadow: 0 10px 30px rgb(0 0 0 / 25%);
}

.capture-principale {
  max-inline-size: 18rem;
  justify-self: center;
}

.grille-fonctions,
.grille-installation {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.fonction {
  background: var(--surface);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 1.25rem;
}

.fonction p {
  margin: 0 0 0.5rem;
  color: var(--texte-2);
}

.note {
  color: var(--texte-2);
  font-size: 0.95rem;
}

.bande-captures {
  padding-block: 3rem 1rem;
}

.defilement {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(11rem, 14rem);
  gap: 1rem;
  overflow-x: auto;
  padding-block-end: 1rem;
  scroll-snap-type: x mandatory;
}

.defilement figure {
  margin: 0;
  scroll-snap-align: start;
}

.defilement figcaption {
  text-align: center;
  margin-block-start: 0.5rem;
  color: var(--texte-2);
}

.pied {
  margin-block-start: 3rem;
  padding-block: 1.5rem;
  background: var(--nuit);
  color: var(--nuit-texte-2);
  font-size: 0.9rem;
}

@media (min-width: 52rem) {
  .accroche-contenu {
    grid-template-columns: 1.4fr 1fr;
  }
}