/* ═══════════════════════════════════════════════════════════════
   Sylvain Blanchoud — Photographies
   Palette : ivoire #F6F1E6 · noir #1A1814 · or #B8956A
   Typographie : Cormorant Garamond
   ═══════════════════════════════════════════════════════════════ */

/* Polices auto-hébergées (variables, latin) — plus de requête Google Fonts */
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../fonts/cormorant-roman.woff2") format("woff2");
}

@font-face {
  font-family: "Cormorant Garamond";
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url("../fonts/cormorant-italic.woff2") format("woff2");
}

:root {
  --ivoire: #F6F1E6;
  --noir: #1A1814;
  --or: #B8956A;
  --or-pale: #d6bd9c;
  --or-fonce: #7D6037;     /* or assombri : contraste AA sur fond ivoire */
  --noir-doux: #2a2620;
  --ivoire-ombre: #e9e1d0;
  --develop-duree: 2.2s;
  --serif: "Cormorant Garamond", "Garamond", "Georgia", serif;

  /* Jetons sémantiques — seuls ceux-ci basculent avec le thème */
  --page-bg: #F6F1E6;                       /* fond de page */
  --page-fg: #1A1814;                       /* texte sur fond de page */
  --tray-bg: #e9e1d0;                       /* passe-partout des œuvres */
  --accent-readable: #7D6037;               /* or lisible sur fond de page */
  --rule-soft: rgba(184, 149, 106, 0.4);    /* filets et bordures */
}

/* Mode sombre « Baryta » : le noir de la salle d'exposition */
html[data-theme="dark"] {
  --page-bg: #0D0C0A;
  --page-fg: rgba(246, 241, 230, 0.92);     /* ivoire adouci, sans éblouir */
  --tray-bg: #16120d;                       /* passe-partout feutré */
  --accent-readable: #B8956A;               /* l'or porte seul sur le noir */
  --rule-soft: rgba(184, 149, 106, 0.28);
}

/* Focus clavier : anneau doré (assombri sur fond clair pour le contraste) */
:focus-visible {
  outline: 2px solid var(--accent-readable);
  outline-offset: 3px;
}

/* Bascule de thème : fondu doux des fonds et textes — jamais des images */
body, section, .photo figcaption, .editions-grid dt, .editions-grid dd,
.formats li, .demo-notice {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--serif);
  background: var(--page-bg);
  color: var(--page-fg);
  font-size: 20px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--or); color: var(--ivoire); }

/* ─── Grain argentique global ─────────────────────────────── */

.grain-defs { position: absolute; }

.grain-overlay {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9999;
  filter: url(#grain);
  opacity: 0.05;
  animation: grain-shift 0.9s steps(4) infinite;
}

@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, 1.5%); }
  50%  { transform: translate(1.5%, -1%); }
  75%  { transform: translate(-1%, -2%); }
  100% { transform: translate(2%, 1%); }
}

/* ─── En-tête ─────────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.2rem, 4vw, 3rem);
  transition: background 0.5s ease, box-shadow 0.5s ease, padding 0.4s ease;
}

.site-header.solid {
  background: rgba(26, 24, 20, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(184, 149, 106, 0.25);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.monogram {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--ivoire);
  text-decoration: none;
  border: 1px solid var(--or);
  padding: 0.15em 0.55em;
  transition: background 0.4s, color 0.4s;
}

.monogram:hover { background: var(--or); color: var(--noir); }

.site-nav { display: flex; gap: clamp(1rem, 3vw, 2.4rem); }

.site-nav a {
  color: var(--ivoire);
  text-decoration: none;
  font-size: 1.02rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding-bottom: 0.2em;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--or);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s cubic-bezier(0.6, 0, 0.2, 1);
}

.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ─── Hero ────────────────────────────────────────────────── */

.hero {
  min-height: 100svh;
  background:
    radial-gradient(ellipse 120% 70% at 50% 110%, rgba(184, 149, 106, 0.13), transparent 60%),
    var(--noir);
  color: var(--ivoire);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
}

.hero-eyebrow {
  letter-spacing: 0.45em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--or);
  margin-bottom: 2.2rem;
}

.hero-title {
  font-size: clamp(3.4rem, 11vw, 8.5rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: 0.06em;
}

.hero-sub {
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  margin-top: 1.6rem;
  color: var(--ivoire-ombre);
}

.hero-rule {
  width: 70px;
  height: 1px;
  background: var(--or);
  margin: 2.4rem 0 1.6rem;
}

.hero-meta {
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(246, 241, 230, 0.55);
}

/* Le hero se révèle lui aussi comme un tirage */
.develop-text {
  animation: develop-in var(--develop-duree) cubic-bezier(0.25, 0.4, 0.25, 1) both;
}

.hero-eyebrow { animation-delay: 0.2s; }

/* Le titre respire : oscillation imperceptible de la graisse (police
   variable), après sa révélation. L'œil ne voit pas — il sent. */
.hero-title {
  font-variation-settings: "wght" 300;
  animation:
    develop-in var(--develop-duree) cubic-bezier(0.25, 0.4, 0.25, 1) 0.45s both,
    breathe 7.5s ease-in-out calc(var(--develop-duree) + 0.45s) infinite alternate;
}

@keyframes breathe {
  from { font-variation-settings: "wght" 300; }
  to   { font-variation-settings: "wght" 311; }
}

.hero-sub     { animation-delay: 0.9s; }
.hero-rule    { animation-delay: 1.25s; }
.hero-meta    { animation-delay: 1.4s; }

/* L'opacité monte vite (paint précoce, LCP), la netteté et la densité
   continuent de se développer ensuite — le révélateur fait son œuvre. */
@keyframes develop-in {
  0%   { opacity: 0;    filter: blur(10px)  brightness(2.2)  contrast(0.3)  sepia(0.5); }
  12%  { opacity: 0.72; filter: blur(7px)   brightness(1.9)  contrast(0.4)  sepia(0.42); }
  40%  { opacity: 0.95; filter: blur(3.5px) brightness(1.4)  contrast(0.6)  sepia(0.3); }
  70%  { opacity: 1;    filter: blur(1px)   brightness(1.08) contrast(0.85) sepia(0.1); }
  100% { opacity: 1;    filter: blur(0)     brightness(1)    contrast(1)    sepia(0); }
}

.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 64px;
  overflow: hidden;
}

.scroll-cue span {
  position: absolute;
  top: -100%;
  left: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--or));
  animation: cue-drop 2.2s ease-in-out infinite;
}

@keyframes cue-drop {
  0%   { top: -100%; }
  60%  { top: 100%; }
  100% { top: 100%; }
}

/* ─── Sections : têtes ───────────────────────────────────── */

.section-head {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 0 1.5rem;
}

.section-eyebrow {
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--page-fg);
  opacity: 0.78;
  margin-bottom: 0.8rem;
}

.section-eyebrow.gold { color: var(--or); opacity: 1; }

.section-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 1.4rem;
}

/* Filet doré sous chaque titre de section */
.section-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 1px;
  background: var(--or);
  margin: 1rem 0 0;
  transform-origin: left;
}

.section-head .section-title::after,
.centered .section-title::after {
  margin-left: auto;
  margin-right: auto;
}

/* Inscription : le titre se pose (fondu + resserrement des lettres),
   puis le filet se trace de gauche à droite — une fois par session. */
.section-title.pending { opacity: 0; }
.section-title.pending::after { transform: scaleX(0); }

.section-title.inscribe {
  animation: inscribe 0.9s cubic-bezier(0.25, 0.5, 0.25, 1) forwards;
}

.section-title.inscribe::after {
  animation: trace 1.2s cubic-bezier(0.2, 0.6, 0.2, 1) 0.3s forwards;
}

@keyframes inscribe {
  from { opacity: 0; letter-spacing: 0.15em; }
  to   { opacity: 1; letter-spacing: 0em; }
}

@keyframes trace {
  to { transform: scaleX(1); }
}

.section-note {
  font-style: italic;
  font-size: 1.1rem;
  opacity: 0.75;
}

/* ─── Galerie ────────────────────────────────────────────── */

.gallery-section { padding: clamp(5rem, 10vw, 8rem) 0 clamp(4rem, 8vw, 7rem); }

.demo-notice {
  max-width: 680px;
  margin: 1.8rem auto 0;
  padding: 0.8em 1.4em;
  text-align: center;
  font-style: italic;
  font-size: 0.98rem;
  color: var(--page-fg);
  background: rgba(184, 149, 106, 0.13);
  border: 1px solid var(--rule-soft);
}

.gallery {
  columns: 3 360px;
  column-gap: clamp(1.2rem, 2.5vw, 2.2rem);
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.2rem, 4vw, 3.5rem) 0;
}

.photo {
  break-inside: avoid;
  margin: 0 0 clamp(1.2rem, 2.5vw, 2.2rem);
  cursor: pointer;
}

/* La cuve : cadre ivoire, papier qui attend dans le bain */
.tray {
  position: relative;
  overflow: hidden;
  background: var(--tray-bg);
  box-shadow:
    0 1px 2px rgba(26, 24, 20, 0.12),
    0 12px 34px -14px rgba(26, 24, 20, 0.35);
  transition: box-shadow 0.5s ease, transform 0.5s ease, background-color 0.4s ease;
}

.photo:hover .tray {
  transform: translateY(-4px);
  box-shadow:
    0 1px 2px rgba(26, 24, 20, 0.12),
    0 22px 48px -16px rgba(26, 24, 20, 0.45);
}

.tray img {
  display: block;
  width: 100%;
  height: auto;
  /* état "papier vierge" : surexposé, sans densité, flou sous la surface */
  opacity: 0;
  filter: blur(14px) brightness(2.4) contrast(0.18) sepia(0.55);
  transform: scale(1.03);
}

/* placeholder flou (blur-up) appliqué en arrière-plan de la cuve */
.tray::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--ph);
  background-size: cover;
  background-position: center;
  filter: blur(18px) brightness(1.35) sepia(0.3);
  transform: scale(1.1);
  transition: opacity 1.5s ease 1.2s;
}

/* Révélation : l'image monte dans le bain.
   Courbe chimique : le papier blanchit d'abord à peine (latence),
   les hautes lumières viennent vite, les tons moyens suivent,
   et la densité des noirs (le contraste) ne monte qu'en toute fin,
   lentement — comme dans la cuvette. */
.photo.developed .tray img {
  animation: develop-print var(--develop-duree) cubic-bezier(0.33, 0.12, 0.25, 1) forwards;
}

.photo.developed .tray::before { opacity: 0; }

@keyframes develop-print {
  0%   { opacity: 0;    filter: blur(12px)  brightness(2.6)  contrast(0.12) sepia(0.5);  transform: scale(1.03); }
  10%  { opacity: 0.4;  filter: blur(10px)  brightness(2.35) contrast(0.16) sepia(0.46); }
  28%  { opacity: 0.78; filter: blur(6px)   brightness(1.8)  contrast(0.28) sepia(0.38); }
  50%  { opacity: 0.94; filter: blur(3px)   brightness(1.4)  contrast(0.46) sepia(0.26); }
  72%  { opacity: 1;    filter: blur(1px)   brightness(1.15) contrast(0.66) sepia(0.12); transform: scale(1.006); }
  88%  { opacity: 1;    filter: blur(0.3px) brightness(1.04) contrast(0.85) sepia(0.04); }
  100% { opacity: 1;    filter: blur(0)     brightness(1)    contrast(1)    sepia(0);    transform: scale(1); }
}

/* Dominante chaude du bain : voile or très léger qui se dissipe
   dans la dernière demi-seconde, juste avant le « fixateur ». */
.tray .vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(ellipse 130% 130% at 50% 50%,
    rgba(184, 149, 106, 0.18) 0%,
    rgba(184, 149, 106, 0.55) 100%);
}

.photo.developed .tray .vignette {
  animation: bath-cast var(--develop-duree) ease-out forwards;
}

@keyframes bath-cast {
  0%   { opacity: 0.09; }
  55%  { opacity: 0.07; }
  78%  { opacity: 0.06; }   /* la dominante tient pendant la montée des noirs */
  100% { opacity: 0; }      /* fixateur : le voile disparaît en fin de bain */
}

/* Image déjà révélée dans la session : état final immédiat, sans animation */
.photo.developed.instant .tray img,
.photo.developed.instant .tray::after,
.photo.developed.instant .tray .vignette {
  animation: none;
}

.photo.developed.instant .tray img {
  opacity: 1;
  filter: none;
  transform: none;
}

.photo.developed.instant figcaption {
  transition: none;
}

/* Nappe de révélateur : un voile liquide balaie le tirage */
.tray::after {
  content: "";
  position: absolute;
  inset: -20%;
  background: linear-gradient(115deg,
    transparent 30%,
    rgba(246, 241, 230, 0.16) 45%,
    rgba(184, 149, 106, 0.10) 52%,
    rgba(246, 241, 230, 0.14) 60%,
    transparent 75%);
  transform: translateX(-120%) skewX(-8deg);
  pointer-events: none;
}

.photo.developed .tray::after {
  animation: bath-sweep calc(var(--develop-duree) * 1.05) cubic-bezier(0.45, 0, 0.25, 1) calc(var(--develop-duree) * 0.07) forwards;
}

@keyframes bath-sweep {
  from { transform: translateX(-120%) skewX(-8deg); }
  to   { transform: translateX(120%) skewX(-8deg); }
}

/* Légende : numéro d'œuvre + titre, apparaît après la révélation */
.photo figcaption {
  display: flex;
  align-items: baseline;
  gap: 0.7em;
  padding: 0.75em 0.2em 0;
  font-size: 1.02rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 1s ease, transform 1s ease;
}

.photo.developed figcaption {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--develop-duree) * 0.7);
}

.photo figcaption .num {
  color: var(--accent-readable);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.photo figcaption .title { font-style: italic; }

.photo figcaption .annee {
  font-size: 0.85rem;
  opacity: 0.62;
}

.photo figcaption .edition {
  margin-left: auto;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.72;
}

/* ─── Sections de prose ──────────────────────────────────── */

.prose-section { padding: clamp(5rem, 11vw, 9rem) 1.5rem; }

.prose-section.dark {
  background: var(--noir);
  color: var(--ivoire);
}

.prose-section.dark .section-title { color: var(--ivoire); }

.prose-inner { max-width: 680px; margin: 0 auto; }

.prose-inner.centered { text-align: center; }

.prose-inner p { margin-bottom: 1.3em; font-size: 1.18rem; font-weight: 400; }

.prose-inner p:last-of-type { margin-bottom: 0; }

.prose-section.dark .prose-inner p { color: rgba(246, 241, 230, 0.85); }

/* ─── Sélecteur de langue FR | EN ────────────────────────── */

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.45em;
}

.lang-switch button {
  background: none;
  border: none;
  padding: 0.15em 0.2em;
  font-family: var(--serif);
  font-size: 0.98rem;
  letter-spacing: 0.16em;
  color: rgba(246, 241, 230, 0.55);
  cursor: pointer;
  transition: color 0.3s;
}

.lang-switch button:hover { color: var(--ivoire); }

.lang-switch button.active {
  color: var(--or);
  border-bottom: 1px solid var(--or);
}

.lang-sep { color: rgba(246, 241, 230, 0.3); font-size: 0.9rem; }

/* Toggle de thème : petit cercle, contour en clair, plein en sombre */
.theme-toggle {
  width: 15px;
  height: 15px;
  margin-left: 0.7em;
  padding: 0;
  border-radius: 50%;
  border: 1.5px solid var(--or);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.4s ease, transform 0.3s ease;
}

.theme-toggle:hover { transform: scale(1.2); }

html[data-theme="dark"] .theme-toggle { background: var(--or); }

/* ─── Éditions ───────────────────────────────────────────── */

.editions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem 3rem;
  margin-top: 3rem;
}

.editions-grid dt {
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--accent-readable);
  margin-bottom: 0.4em;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 0.5em;
}

.editions-grid dd { font-size: 1.08rem; }

/* Formats & prix */
.formats {
  list-style: none;
  margin: 0;
  padding: 0;
}

.formats li {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.32em 0;
  border-bottom: 1px dotted var(--rule-soft);
}

.formats li:last-child { border-bottom: none; }

.formats .chf { white-space: nowrap; }

.formats-note {
  display: block;
  margin-top: 0.5em;
  font-size: 0.88rem;
  font-style: italic;
  opacity: 0.7;
}

/* ─── Contact ────────────────────────────────────────────── */

.contact-mail {
  display: inline-block;
  margin-top: 1.8rem;
  font-size: clamp(1.3rem, 3.4vw, 2rem);
  font-style: italic;
  color: var(--or-pale);
  text-decoration: none;
  border-bottom: 1px solid var(--or);
  padding-bottom: 0.1em;
  transition: color 0.4s, border-color 0.4s;
}

.contact-mail:hover { color: var(--ivoire); border-color: var(--ivoire); }

.contact-atelier {
  display: block;
  margin-top: 2.4rem;
  font-style: normal;
  font-size: 1.08rem;
  line-height: 1.85;
  color: rgba(246, 241, 230, 0.8);
}

.contact-atelier a {
  color: var(--or-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 149, 106, 0.5);
}

.contact-atelier a:hover { color: var(--ivoire); }

/* Ancres : dégager les sections sous l'en-tête fixe */
#galerie, #demarche, #artiste, #editions, #contact {
  scroll-margin-top: 5rem;
}

/* ─── Pied de page ───────────────────────────────────────── */

.site-footer .footer-silence {
  margin-top: 0.6em;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--or);
  opacity: 0.85;
}

.site-footer {
  background: var(--noir);
  color: rgba(246, 241, 230, 0.68);
  text-align: center;
  padding: 2rem 1.5rem 2.4rem;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  border-top: 1px solid rgba(184, 149, 106, 0.18);
}

/* ─── Salle d'exposition — plein écran ───────────────────── */

.expo {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #0D0C0A;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* CORRECTIF : hidden doit vraiment cacher (display:flex l'écrasait,
   et la couche invisible avalait tous les clics du site) */
.expo[hidden] { display: none !important; }

.expo.open { opacity: 1; }

.expo-stage {
  margin: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#expo-img {
  max-width: calc(100vw - clamp(4rem, 12vw, 10rem));
  max-height: calc(100svh - clamp(3rem, 10vh, 6rem));
  object-fit: contain;
  box-shadow: 0 40px 110px -30px rgba(0, 0, 0, 0.9);
  will-change: transform;
}

#expo-img.sharpen { animation: sharpen 0.45s ease-out; }

@keyframes sharpen {
  from { filter: blur(7px); }
  to   { filter: blur(0); }
}

/* Cartel : apparaît après 1 s d'immobilité, s'efface au mouvement */
.expo-cartel {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: clamp(1.2rem, 4vh, 2.6rem);
  width: max-content;
  max-width: 92vw;
  text-align: center;
  color: var(--ivoire-ombre);
  opacity: 0;
  transition: opacity 1s ease;
  pointer-events: none;
}

.expo.cartel-visible .expo-cartel { opacity: 1; }

.expo-cartel span { display: block; }

.expo-cartel .c-title {
  font-size: 1.25rem;
  font-style: italic;
}

.expo-cartel .c-lieu {
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--or);
  margin-top: 0.3em;
}

.expo-cartel .c-detail {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  opacity: 0.75;
  margin-top: 0.7em;
}

.expo-cartel .c-formats {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  opacity: 0.75;
  margin-top: 0.25em;
}

/* Boutons : fins, dorés, discrets — pleine présence au survol/focus */
.expo-close, .expo-prev, .expo-next {
  position: absolute;
  background: none;
  border: none;
  color: var(--or);
  opacity: 0.45;
  font-family: var(--serif);
  font-weight: 300;
  cursor: pointer;
  line-height: 1;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2;
}

.expo-close { top: 1.1rem; right: 1.5rem; font-size: 2.5rem; }
.expo-prev  { left: 0.8rem;  top: 50%; transform: translateY(-50%); font-size: 3.2rem; padding: 1.2rem 0.9rem; }
.expo-next  { right: 0.8rem; top: 50%; transform: translateY(-50%); font-size: 3.2rem; padding: 1.2rem 0.9rem; }

.expo-close:hover, .expo-close:focus-visible { opacity: 1; transform: rotate(90deg); }
.expo-prev:hover, .expo-prev:focus-visible,
.expo-next:hover, .expo-next:focus-visible { opacity: 1; }

/* ─── Responsive ─────────────────────────────────────────── */

@media (max-width: 720px) {
  :root { --develop-duree: 1.2s; }   /* révélation raccourcie sur mobile */
  body { font-size: 18px; }
  .site-header { flex-wrap: wrap; gap: 0.5rem 1rem; }
  .site-nav { gap: 0.8rem; order: 3; width: 100%; justify-content: center; }
  .site-nav a { font-size: 0.88rem; letter-spacing: 0.1em; }
  .lang-switch button { font-size: 0.88rem; }
  .gallery { columns: 1 auto; }
  .expo-prev, .expo-next { font-size: 2.6rem; padding: 0.8rem 0.5rem; }
  #expo-img { max-width: calc(100vw - 2rem); }
  #galerie, #demarche, #artiste, #editions, #contact { scroll-margin-top: 7.5rem; }
}

@media (min-width: 721px) and (max-width: 1100px) {
  .gallery { columns: 2 320px; }
}

/* ─── Accessibilité : mouvement réduit ───────────────────── */

@media (prefers-reduced-motion: reduce) {
  /* garde-fou global : couvre toute animation existante et future */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  .grain-overlay { animation: none; }
  .photo.developed .tray::after { animation: none; }
  .scroll-cue span { animation: none; top: 0; }
}