/* Philippe Dominique Privé — feuille de style
   Parti pris : sobriété, lisibilité, aucune dépendance externe. */

:root {
  --fond: #faf9f7;
  --fond-carte: #ffffff;
  --texte: #2c2c2c;
  --texte-doux: #6b6b6b;
  --trait: #e2ded8;
  --accent: #5a6b5d;
  --ombre: 0 1px 3px rgba(0, 0, 0, .06), 0 6px 20px rgba(0, 0, 0, .04);
  --rayon: 3px;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- En-tête ---------- */

.entete {
  padding: 4.5rem 1.5rem 3.5rem;
  text-align: center;
  border-bottom: 1px solid var(--trait);
}

.entete h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5.5vw, 3rem);
  letter-spacing: .01em;
  line-height: 1.2;
}

.nom-famille {
  display: block;
  margin-top: .15em;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .62em;
  color: var(--texte-doux);
}

.dates {
  margin: 1.6rem 0 0;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--texte-doux);
}

.lieux {
  margin: .3rem 0 0;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--texte-doux);
  opacity: .75;
}

/* ---------- Galerie ---------- */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.galerie {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.75rem;
}

.souvenir {
  background: var(--fond-carte);
  border: 1px solid var(--trait);
  border-radius: var(--rayon);
  overflow: hidden;
  box-shadow: var(--ombre);
  transition: transform .18s ease, box-shadow .18s ease;
}

.souvenir:hover,
.souvenir:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, .07), 0 10px 28px rgba(0, 0, 0, .07);
}

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

.souvenir img,
.souvenir video {
  display: block;
  width: 100%;
  height: auto;
  background: #f0eeeb;
}

.souvenir .corps {
  padding: 1rem 1.15rem 1.15rem;
}

.souvenir .legende {
  margin: 0;
  font-family: var(--serif);
  font-size: .97rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.souvenir .signature {
  margin: .7rem 0 0;
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--texte-doux);
}

.badge-video {
  position: relative;
}

.chargement,
.vide {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--texte-doux);
  font-family: var(--serif);
  font-style: italic;
  padding: 3rem 0;
}

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

.visionneuse {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(18, 18, 18, .94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 1rem;
}

.visionneuse[hidden] { display: none; }

.cadre {
  margin: 0;
  max-width: 1100px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.cadre .media img,
.cadre .media video {
  display: block;
  max-width: 100%;
  max-height: 74vh;
  width: auto;
  height: auto;
  border-radius: var(--rayon);
}

.cadre figcaption {
  color: #ececec;
  font-family: var(--serif);
  font-size: .98rem;
  text-align: center;
  max-width: 62ch;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.cadre figcaption .signature {
  display: block;
  margin-top: .55rem;
  font-family: var(--sans);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .62;
}

.visionneuse .fermer,
.visionneuse .nav {
  position: absolute;
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  opacity: .6;
  transition: opacity .15s ease;
  line-height: 1;
  padding: .4rem .7rem;
}

.visionneuse .fermer:hover,
.visionneuse .nav:hover { opacity: 1; }

.visionneuse .fermer {
  top: 1rem;
  right: 1.2rem;
  font-size: 2.4rem;
}

.visionneuse .nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.2rem;
}

.visionneuse .precedent { left: .5rem; }
.visionneuse .suivant  { right: .5rem; }

/* ---------- Pied ---------- */

.pied {
  border-top: 1px solid var(--trait);
  padding: 2.5rem 1.5rem 3rem;
  text-align: center;
  color: var(--texte-doux);
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
}

.pied p { margin: 0; }

/* ---------- Page de contribution ---------- */

.formulaire {
  max-width: 640px;
  margin: 0 auto;
}

.formulaire h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  margin: 0 0 .4rem;
}

.formulaire .intro {
  margin: 0 0 2.2rem;
  color: var(--texte-doux);
  font-size: .95rem;
}

.champ { margin-bottom: 1.5rem; }

.champ label {
  display: block;
  margin-bottom: .45rem;
  font-size: .82rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--texte-doux);
}

.champ input[type="text"],
.champ input[type="password"],
.champ input[type="file"],
.champ textarea {
  width: 100%;
  padding: .7rem .85rem;
  border: 1px solid var(--trait);
  border-radius: var(--rayon);
  background: var(--fond-carte);
  font-family: inherit;
  font-size: 1rem;
  color: var(--texte);
}

.champ textarea {
  min-height: 130px;
  resize: vertical;
  font-family: var(--serif);
  line-height: 1.6;
}

.champ input:focus,
.champ textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(90, 107, 93, .12);
}

.champ .aide {
  margin: .45rem 0 0;
  font-size: .82rem;
  color: var(--texte-doux);
}

button.envoyer {
  width: 100%;
  padding: .85rem 1.5rem;
  border: 0;
  border-radius: var(--rayon);
  background: var(--accent);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  letter-spacing: .03em;
  cursor: pointer;
  transition: background .15s ease;
}

button.envoyer:hover:not(:disabled) { background: #4a5a4d; }
button.envoyer:disabled { opacity: .55; cursor: default; }

.message {
  padding: .9rem 1.1rem;
  border-radius: var(--rayon);
  margin-bottom: 1.75rem;
  font-size: .93rem;
}

.message.succes {
  background: #eef3ee;
  border: 1px solid #cfdccf;
  color: #33513a;
}

.message.erreur {
  background: #fbf0ee;
  border: 1px solid #e6cfca;
  color: #7d3b30;
}

.retour {
  display: inline-block;
  margin-top: 2.5rem;
  color: var(--texte-doux);
  font-size: .9rem;
}

/* ---------- Écrans étroits ---------- */

@media (max-width: 640px) {
  body { font-size: 16px; }

  .entete { padding: 3rem 1.25rem 2.5rem; }

  main { padding: 2rem 1rem 3rem; }

  .galerie {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .visionneuse { padding: 3.5rem .5rem; }
  .visionneuse .nav { font-size: 2.4rem; }
  .cadre .media img,
  .cadre .media video { max-height: 66vh; }
}

/* ---------- Accessibilité ---------- */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}