:root {
  --mur: #eee9e1;       /* lin : blanc cassé chaud, les toiles claires s'en détachent */
  --mur-ombre: #e3ddd3;
  --encre: #1c1a17;
  --encre-douce: #625c53;
  --filet: #d3cbbe;
  --rouge: #c8202f;
  --serif: 'Newsreader', Georgia, serif;
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --k: 4.4px;           /* 1 cm de toile à l'écran */
  --marge: clamp(1rem, 4vw, 4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--mur);
  color: var(--encre);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--serif); font-weight: 300; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; }
.surtitre {
  font-size: .75rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--encre-douce); margin: 0 0 1.25rem;
}

/* En-tête */
.entete {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem var(--marge);
  background: color-mix(in srgb, var(--mur) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.entete.defile { border-color: var(--filet); }
.entete-logo img { height: 76px; width: auto; }
.entete-nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-size: .9rem; }
.entete-nav a { text-decoration: none; padding: .25rem 0; border-bottom: 1px solid transparent; }
.entete-nav a:hover { border-color: currentColor; }

/* Ouverture */
.ouverture {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: 4rem; min-height: calc(100svh - 90px);
  padding: 2rem var(--marge) 5rem;
}
.ouverture h1 { font-size: clamp(3.5rem, 9vw, 8rem); line-height: .92; }
.ouverture h1 em { font-style: italic; padding-left: .6em; }
.chapo { font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.45rem); max-width: 28ch; margin: 2rem 0 2.5rem; color: var(--encre-douce); }
.ouverture-liens { display: flex; gap: 2rem; align-items: baseline; }
.lien-fleche { text-decoration: none; border-bottom: 1px solid; padding-bottom: 2px; }
.lien-fleche::after { content: ' →'; }
.lien-discret { text-decoration: none; color: var(--encre-douce); }
/* Vitrine d'ouverture : les œuvres mises en avant défilent en fondu */
.ouverture-oeuvre { margin: 0; display: flex; align-items: flex-end; gap: 1.75rem; justify-self: center; }
.vitrine-scene { position: relative; width: min(34vw, 460px); height: min(64vh, 560px); border: 0; padding: 0; background: none; cursor: zoom-in; }
.vitrine-scene img {
  position: absolute; right: 0; bottom: 0; width: auto; height: auto; max-width: 100%; max-height: 100%;
  opacity: 0; pointer-events: none; transition: opacity 1.2s ease;
  box-shadow: 0 1px 1px rgba(28,26,23,.12), 0 18px 30px -18px rgba(28,26,23,.45);
}
.vitrine-scene img.actif { opacity: 1; }
.vitrine-scene:focus-visible { outline: 2px solid var(--encre); outline-offset: 6px; }
.vitrine-cartel { width: 9.5rem; display: flex; flex-direction: column; gap: 1.5rem; }
.vitrine-cartel .cartel { transition: opacity .5s ease; }
.vitrine-cartel .cartel.change { opacity: 0; }
.vitrine-suivi { display: flex; flex-direction: column; gap: .6rem; font-size: .72rem; letter-spacing: .1em; color: var(--encre-douce); }
.vitrine-barre { height: 1px; background: var(--filet); overflow: hidden; }
.vitrine-barre i { display: block; height: 100%; background: var(--encre); transform-origin: left; animation: progression 5.5s linear both; }
.ouverture-oeuvre:hover .vitrine-barre i { animation-play-state: paused; }
@keyframes progression { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .vitrine-barre i { animation: none; transform: scaleX(1); } }
.vitrine-fleches { display: flex; gap: .4rem; }
.vitrine-fleches button { width: 2rem; height: 2rem; border: 1px solid var(--filet); background: none; font-size: .85rem; transition: border-color .2s; }
.vitrine-fleches button:hover { border-color: var(--encre); }

/* La toile : relief léger, comme accrochée */
.toile {
  border: 0; padding: 0; background: none; display: block;
  cursor: zoom-in;
  box-shadow: 0 1px 1px rgba(28,26,23,.12), 0 18px 30px -18px rgba(28,26,23,.45);
  transition: transform .4s ease, box-shadow .4s ease;
}
.toile:hover { transform: translateY(-3px); box-shadow: 0 1px 1px rgba(28,26,23,.12), 0 26px 40px -20px rgba(28,26,23,.5); }
.toile:focus-visible { outline: 2px solid var(--encre); outline-offset: 6px; }

/* Cartel de musée */
.cartel { display: flex; flex-direction: column; font-size: .78rem; line-height: 1.45; color: var(--encre-douce); }
.cartel-titre { font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--encre); display: flex; align-items: center; gap: .45rem; }
.marque { white-space: nowrap; }
.marque-point { display: inline-block; width: .6em; height: .6em; border-radius: 50%; background: var(--rouge); margin: 0 .1em 0 -.02em; vertical-align: .02em; }
.pastille { display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; background: var(--rouge); flex: none; }

/* Œuvres */
.oeuvres { padding: 6rem var(--marge) 7rem; border-top: 1px solid var(--filet); }
.oeuvres-tete { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1.5rem 3rem; }
/* Séries : deux onglets bien visibles, posés sur un filet */
.onglets { display: flex; gap: 0 3.5rem; margin-top: 2.5rem; border-bottom: 1px solid var(--filet); }
.onglets button {
  border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; background: none;
  padding: 0 0 1.1rem; display: flex; flex-direction: column; align-items: flex-start; gap: .3rem;
  text-align: left; color: var(--encre-douce); transition: color .2s, border-color .2s;
}
.onglet-nom { font-family: var(--serif); font-size: clamp(1.45rem, 2.6vw, 2rem); line-height: 1.15; }
.onglet-compte { font-size: .8rem; }
.onglets button[aria-selected="false"] .onglet-compte::after { content: " →"; }
.onglets button:hover { color: var(--encre); border-color: var(--filet); }
.onglets button[aria-selected="true"] { color: var(--encre); border-color: var(--encre); }
.oeuvres-intro { font-family: var(--serif); font-style: italic; font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--encre-douce); margin: 1.75rem 0 0; max-width: 52ch; }
.filtre { margin-left: auto; display: flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--encre-douce); cursor: pointer; }
.filtre input { accent-color: var(--encre); width: 1rem; height: 1rem; }
.oeuvres-note { font-size: .82rem; color: var(--encre-douce); margin: 1.25rem 0 4.5rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.legende { display: inline-flex; align-items: flex-start; gap: .45rem; }
.legende .pastille { margin-top: .45em; }

.mur {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: center;
  gap: 4rem 3.5rem;
}
.piece[hidden] { display: none; }
.piece { margin: 0; display: flex; flex-direction: column; gap: 1rem; min-width: 8.5rem; animation: apparition .6s ease both; }
.piece .toile { align-self: flex-start; }
.piece .toile img { width: calc(var(--l) * var(--k)); aspect-ratio: var(--ratio); object-fit: cover; height: auto; }
.piece .cartel { min-height: 4.2rem; max-width: max(8.5rem, calc(var(--l) * var(--k))); }
@keyframes apparition { from { opacity: 0; transform: translateY(12px); } }

/* En bas du mur : invitation à voir l'autre série */
.suite { margin-top: 6rem; padding-top: 3rem; border-top: 1px solid var(--filet); display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; }
.suite .surtitre { margin: 0; }
.suite-lien { border: 0; background: none; padding: 0; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.suite-nom { font-family: var(--serif); font-weight: 300; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.1; border-bottom: 1px solid transparent; transition: border-color .2s; }
.suite-lien:hover .suite-nom, .suite-lien:focus-visible .suite-nom { border-color: var(--encre); }
.suite-compte { font-size: .85rem; color: var(--encre-douce); }

/* Démarche */
.demarche {
  display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 4rem; align-items: end;
  padding: 7rem var(--marge); background: var(--mur-ombre);
}
.demarche-mots { display: flex; flex-direction: column; gap: .4rem; font-family: var(--serif); font-style: italic; font-size: clamp(1.5rem, 3vw, 2.4rem); color: var(--encre-douce); align-self: start; }
.demarche-texte h2 { font-size: .75rem; font-family: var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--encre-douce); margin-bottom: 1.5rem; }
.demarche-citation { font-family: var(--serif); font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.3; margin: 0 0 1.5rem; }
.demarche-texte p:not(.demarche-citation) { max-width: 46ch; color: var(--encre-douce); margin: 0 0 1rem; }
.demarche-image { margin: 0; }
.demarche-image img { height: min(60vh, 520px); width: auto; box-shadow: 0 18px 30px -18px rgba(28,26,23,.45); }
.demarche-image figcaption { font-size: .78rem; color: var(--encre-douce); margin-top: .75rem; font-style: italic; font-family: var(--serif); }

/* Parcours : liste façon catalogue d'exposition, l'année en marge */
.parcours { display: grid; grid-template-columns: 1fr 2.4fr; gap: 2rem 4rem; padding: 6rem var(--marge); border-bottom: 1px solid var(--filet); }
.parcours h2 { font-size: .75rem; font-family: var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--encre-douce); padding-top: .55rem; }
.parcours-liste { list-style: none; margin: 0; padding: 0; max-width: 44rem; }
.parcours-liste li { display: grid; grid-template-columns: 5rem 1fr; gap: 1.5rem; align-items: baseline; padding: 1.1rem 0; border-top: 1px solid var(--filet); }
.parcours-liste li:last-child { border-bottom: 1px solid var(--filet); }
.parcours-annee { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--encre-douce); font-variant-numeric: tabular-nums; }
.parcours-texte { display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.parcours-intitule { font-family: var(--serif); font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.25; text-decoration: none; }
a.parcours-intitule::after { content: " ↗"; font-size: .7em; color: var(--encre-douce); }
a.parcours-intitule:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.parcours-precision { font-size: .85rem; color: var(--encre-douce); }

/* Sur mesure */
.sur-mesure { padding: 8rem var(--marge); text-align: center; max-width: 52rem; margin: 0 auto; }
.sur-mesure h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
.sur-mesure p:not(.surtitre) { color: var(--encre-douce); max-width: 52ch; margin: 1.1rem auto 0; }
.sur-mesure h2 + p { margin-top: 2rem; }
.sur-mesure p.sur-mesure-envoi { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--encre); max-width: 50ch; line-height: 1.8; margin: 2.75rem auto; }

.bouton {
  display: inline-block; border: 1px solid var(--encre); background: var(--encre); color: var(--mur);
  padding: .9rem 1.6rem; font-size: .9rem; letter-spacing: .02em; text-decoration: none;
  transition: background .25s, color .25s;
}
.bouton:hover { background: transparent; color: var(--encre); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.3fr; gap: 5rem; padding: 7rem var(--marge); border-top: 1px solid var(--filet); }
.contact-intro p { color: var(--encre-douce); max-width: 32ch; }
.contact-direct { font-family: var(--serif); font-size: 1.25rem; line-height: 1.8; color: var(--encre) !important; }
.contact-direct a { text-decoration: none; border-bottom: 1px solid var(--filet); }

.formulaire { display: flex; flex-direction: column; gap: 1.5rem; max-width: 40rem; }
.choix { border: 0; padding: 0; margin: 0 0 .5rem; display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.choix legend { font-size: .8rem; color: var(--encre-douce); margin-bottom: .75rem; padding: 0; }
.choix label { cursor: pointer; }
.choix input { position: absolute; opacity: 0; }
.choix span {
  display: block; padding: 1.1rem 1.2rem; border: 1px solid var(--filet);
  font-family: var(--serif); font-size: 1.15rem; transition: border-color .2s, background .2s;
}
.choix input:checked + span { border-color: var(--encre); background: #f8f5f0; }
.choix input:focus-visible + span { outline: 2px solid var(--encre); outline-offset: 2px; }
.champ { display: flex; flex-direction: column; gap: .4rem; }
.champ[hidden] { display: none; }
.champ label { font-size: .8rem; color: var(--encre-douce); }
.champ small { font-size: .75rem; opacity: .7; }
.champ input, .champ select, .champ textarea {
  font: inherit; color: var(--encre); background: transparent;
  border: 0; border-bottom: 1px solid var(--filet); padding: .55rem 0; border-radius: 0;
}
.champ select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231c1a17'/%3E%3C/svg%3E") no-repeat right center; }
.champ textarea { resize: vertical; }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-color: var(--encre); }
.champs-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.formulaire .bouton { align-self: flex-start; margin-top: .5rem; }
.statut { font-size: .9rem; color: var(--encre-douce); margin: 0; }

/* Pied */
.pied { display: flex; flex-wrap: wrap; gap: 1rem 2rem; padding: 2rem var(--marge); border-top: 1px solid var(--filet); font-size: .8rem; color: var(--encre-douce); }
.pied a { text-decoration: none; }
.pied-admin { margin-left: auto; opacity: .55; }

/* Mentions légales */
.legal { max-width: 46rem; padding: 4rem var(--marge) 6rem; }
.legal h1 { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1; margin-bottom: 2.5rem; }
.legal h1 + section { border-top: 0; }
.legal #confidentialite { margin-top: 5rem; scroll-margin-top: 120px; }
.legal section { padding: 1.75rem 0; border-top: 1px solid var(--filet); }
.legal h2 { font-size: 1.35rem; font-style: italic; margin-bottom: .75rem; }
.legal p { margin: 0 0 .9rem; color: var(--encre-douce); overflow-wrap: anywhere; }
.legal p:last-child { margin-bottom: 0; }
.a-completer { background: #fbe3c4; color: var(--encre); padding: 0 .2em; }

/* Visionneuse */
.visionneuse {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: var(--mur); color: var(--encre);
}
.visionneuse::backdrop { background: var(--mur); }
.visionneuse[open] { animation: fondu .3s ease; }
@keyframes fondu { from { opacity: 0; } }
.visionneuse-grille { display: grid; grid-template-columns: 1fr 22rem; height: 100%; }
.visionneuse-image { margin: 0; display: grid; place-items: center; padding: 4rem; min-height: 0; }
.visionneuse-image img { max-height: calc(100dvh - 8rem); max-width: 100%; width: auto; object-fit: contain; box-shadow: 0 24px 40px -24px rgba(28,26,23,.5); }
.visionneuse-cartel { border-left: 1px solid var(--filet); padding: 6rem 2.5rem 2.5rem; display: flex; flex-direction: column; gap: 1.5rem; }
.visionneuse-compteur { font-size: .75rem; letter-spacing: .14em; color: var(--encre-douce); margin: 0; }
.visionneuse-cartel h3 { font-size: 2.6rem; font-style: italic; line-height: 1.05; }
.visionneuse-cartel dl { display: grid; grid-template-columns: auto 1fr; gap: .6rem 1.25rem; margin: 0; font-size: .9rem; }
.visionneuse-cartel dt { color: var(--encre-douce); font-size: .8rem; }
.visionneuse-cartel dd { margin: 0; display: flex; align-items: center; gap: .45rem; }
.visionneuse-cartel .bouton { align-self: flex-start; }
.visionneuse-nav { margin-top: auto; display: flex; gap: .75rem; }
.visionneuse-nav button { width: 3rem; height: 3rem; border: 1px solid var(--filet); background: none; font-size: 1.1rem; }
.visionneuse-nav button:hover { border-color: var(--encre); }
.visionneuse-fermer { position: absolute; top: 1.5rem; right: 2.5rem; border: 0; background: none; font-size: .85rem; letter-spacing: .06em; border-bottom: 1px solid; padding: 0; }

/* Mobile */
@media (max-width: 860px) {
  /* L'échelle suit la largeur de l'écran : deux toiles de 40 cm remplissent une ligne */
  :root { --k: min(4.4px, calc((100vw - 2 * var(--marge) - 1.5rem) / 82)); }
  .entete-logo img { height: 46px; }
  .entete-nav { gap: .9rem; font-size: .8rem; }
  .entete-nav a { padding: .75rem 0; }
  .entete-nav a:nth-child(3) { display: none; }
  .ouverture { grid-template-columns: 1fr; min-height: 0; gap: 3rem; padding-top: 2.5rem; }
  .ouverture-oeuvre { flex-direction: column; align-items: flex-start; justify-self: stretch; gap: 1.25rem; }
  .vitrine-scene { width: 100%; height: min(56vh, 420px); }
  .vitrine-scene img { right: auto; left: 0; }
  .vitrine-cartel { width: 100%; flex-direction: row; justify-content: space-between; align-items: flex-end; }
  .vitrine-suivi { width: 7rem; }
  .mur { gap: 3rem 1.5rem; justify-content: flex-start; }
  .piece { min-width: 7rem; }
  .filtre { margin-left: 0; padding: .6rem 0; }
  .surtitre-ouverture .marque { display: block; margin-bottom: .55rem; }
  .surtitre-ouverture .surtitre-sep { display: none; }
  .onglets { gap: 0 1.5rem; margin-top: 1.5rem; }
  .onglets button { flex: 1; }
  .suite { margin-top: 4rem; }
  .demarche { grid-template-columns: 1fr; gap: 2.5rem; }
  .demarche-mots { flex-direction: row; flex-wrap: wrap; gap: .25rem 1rem; font-size: 1.3rem; }
  .demarche-image img { height: 360px; }
  .parcours { grid-template-columns: 1fr; gap: 1.5rem; padding-block: 4rem; }
  .parcours-liste li { grid-template-columns: 3.5rem 1fr; gap: 1rem; }
  .contact { grid-template-columns: 1fr; gap: 3rem; }
  .choix, .champs-duo { grid-template-columns: 1fr; }
  .formulaire .bouton { align-self: stretch; }
  .pied { flex-direction: column; gap: 0; padding-block: 1.5rem; }
  .pied > * { padding: .55rem 0; }
  .pied-admin { margin-left: 0; }
  .visionneuse-grille { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
  .visionneuse-image { padding: 4rem 1rem 1rem; }
  .visionneuse-image img { max-height: 55dvh; }
  .visionneuse-cartel { border-left: 0; border-top: 1px solid var(--filet); padding: 1.25rem 1rem 1.5rem; gap: 1rem; }
  .visionneuse-cartel h3 { font-size: 1.8rem; }
  .visionneuse-nav { position: absolute; bottom: 1.5rem; right: 1rem; }
  .visionneuse-fermer { right: 1rem; top: 1.25rem; }
}

section[id], form[data-contact] { scroll-margin-top: 120px; }