/* Certificats, bloc Singulart, visionneuse des certificats
   Couleurs reprises du site : fond #1f1828, texte #f0ecf2,
   texte secondaire #b1a7ba, accent #a6c2d6 */

:root {
  --cf-fond: #1f1828;
  --cf-fond-clair: #2a2234;
  --cf-texte: #f0ecf2;
  --cf-doux: #b1a7ba;
  --cf-accent: #a6c2d6;
  --cf-trait: #3a3245;
}

/* ---------- Bloc Singulart ---------- */

.acquerir-bloc {
  display: grid;
  gap: 1.75rem;
  max-width: 44rem;
}

.acquerir-logo {
  display: block;
  width: min(15rem, 70%);
  height: auto;
}

.acquerir-bloc p {
  margin: 0;
  color: var(--cf-texte);
  font-size: 1.15rem;
  line-height: 1.6;
}

.acquerir-bloc .acquerir-note {
  color: var(--cf-doux);
  font-size: 1rem;
}

.acquerir-bouton {
  display: inline-block;
  justify-self: start;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--cf-accent);
  border-radius: 999px;
  color: var(--cf-fond);
  background: var(--cf-accent);
  font-family: "Lexend", system-ui, sans-serif;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: background-color .2s, color .2s;
}

.acquerir-bouton:hover {
  background: transparent;
  color: var(--cf-accent);
}

.acquerir-bouton:focus-visible,
.certif-bouton:focus-visible,
.certif-fermer:focus-visible {
  outline: 2px solid var(--cf-accent);
  outline-offset: 4px;
}

/* ---------- Certificats ---------- */

.certificats {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--cf-trait);
}

.certificats h3 {
  margin: 0 0 0.5rem;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 500;
  font-size: 1.6rem;
  color: var(--cf-texte);
}

.certificats > p {
  margin: 0 0 2rem;
  color: var(--cf-doux);
}

.certif-grille {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: 2.25rem 1.75rem;
}

.certif-bouton {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: zoom-in;
}

.certif-cadre {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  padding: 0.75rem;
  background: var(--cf-fond-clair);
  border-radius: 4px;
}

.certif-cadre img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  height: auto;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  transition: transform .25s ease;
}

.certif-bouton:hover .certif-cadre img,
.certif-bouton:focus-visible .certif-cadre img {
  transform: scale(1.03);
}

.certif-titre {
  display: block;
  margin-top: 0.9rem;
  color: var(--cf-texte);
  font-size: 1rem;
  line-height: 1.4;
}

.certif-source {
  display: block;
  margin-top: 0.25rem;
  color: var(--cf-doux);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* ---------- Visionneuse ---------- */

.certif-vue {
  width: min(96vw, 1100px);
  max-height: 94vh;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--cf-texte);
}

.certif-vue::backdrop {
  background: rgba(15, 11, 20, .97);
}

.certif-vue figure {
  margin: 0;
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.certif-vue img {
  display: block;
  max-width: 100%;
  max-height: 78vh;
  height: auto;
}

.certif-vue figcaption {
  text-align: center;
  font-size: 1rem;
  line-height: 1.5;
}

.certif-vue figcaption span {
  display: block;
  color: var(--cf-doux);
  font-size: 0.9rem;
}

.certif-fermer {
  justify-self: end;
  margin: 0 0 0.75rem auto;
  display: block;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--cf-accent);
  border-radius: 999px;
  background: transparent;
  color: var(--cf-accent);
  font-family: "Lexend", system-ui, sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  .acquerir-bouton,
  .certif-cadre img {
    transition: none;
  }
  .certif-bouton:hover .certif-cadre img,
  .certif-bouton:focus-visible .certif-cadre img {
    transform: none;
  }
}