/* =====================================================
   Galerie DEZ — Thème ex-URSS / constructivisme russe
   ===================================================== */

:root {
  --red: #c8102e;
  --red-deep: #8a0a1f;
  --black: #1a0f0a;
  --ink: #2b1a12;
  --paper: #f3e9d2;
  --paper-dark: #e6d6b3;
  --gold: #d4a017;
  --shadow: 0 6px 0 0 var(--black);
  --serif: "PT Serif", Georgia, serif;
  --sans: "Oswald", "Arial Narrow", Arial, sans-serif;
  --display: "Russo One", "Oswald", Impact, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  min-height: 100%;
}

body {
  position: relative;
  overflow-x: hidden;
  background-image:
    repeating-linear-gradient(0deg, rgba(26,15,10,0.04) 0 1px, transparent 1px 4px),
    radial-gradient(ellipse at top left, #f7eed8 0%, var(--paper) 60%, var(--paper-dark) 100%);
}

a { color: var(--red-deep); }
a:hover { color: var(--red); }

/* ---------- Fond constructiviste ---------- */
.constructivist-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.bg-star {
  position: absolute; top: -120px; right: -120px;
  width: 520px; height: 520px;
  background: var(--red);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  opacity: 0.10;
  transform: rotate(12deg);
}
.bg-stripe {
  position: absolute;
  height: 38px;
  background: var(--red);
  opacity: 0.08;
  transform-origin: left center;
}
.bg-stripe-1 { top: 28%; left: -10%; width: 130%; transform: rotate(-6deg); }
.bg-stripe-2 { top: 64%; left: -10%; width: 130%; transform: rotate(4deg); background: var(--black); opacity: 0.05; }
.bg-circle {
  position: absolute; bottom: -180px; left: -180px;
  width: 460px; height: 460px; border-radius: 50%;
  border: 28px solid var(--black); opacity: 0.06;
}

/* ---------- Header ---------- */
.site-header {
  position: relative; z-index: 2;
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px clamp(20px, 5vw, 60px);
  border-bottom: 4px solid var(--black);
  background: var(--paper);
  background-image: linear-gradient(180deg, var(--paper) 0%, transparent 100%);
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit; }
.brand-link:hover { opacity: 0.85; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px;
  background: var(--red); color: var(--paper);
  font-size: 30px; line-height: 1;
  box-shadow: var(--shadow);
}
.brand-text h1, .brand-title {
  font-family: var(--display);
  font-size: clamp(20px, 2.4vw, 28px);
  margin: 0; letter-spacing: 0.04em;
  color: var(--black);
}
.brand-title .accent { color: var(--red); }
.brand-sub { margin: 2px 0 0; font-size: 13px; color: var(--ink); opacity: 0.75; font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.1em; }
.site-nav a {
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 14px; font-weight: 600;
  margin-left: 22px; text-decoration: none; color: var(--black);
  border-bottom: 2px solid transparent; padding-bottom: 4px;
}
.site-nav a:hover { border-bottom-color: var(--red); color: var(--red-deep); }

/* ---------- Hero ---------- */
main { position: relative; z-index: 1; }

.hero {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px;
  align-items: center;
  padding: clamp(40px, 7vw, 90px) clamp(20px, 5vw, 60px) 60px;
  border-bottom: 4px solid var(--black);
}
.kicker {
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.18em;
  font-size: 13px; color: var(--red-deep); margin: 0 0 14px;
}
.hero-title {
  font-family: var(--display); font-size: clamp(40px, 7vw, 84px);
  line-height: 0.95; margin: 0 0 22px; color: var(--black);
}
.hero-title .accent { color: var(--red); }
.hero-lead { max-width: 56ch; font-size: 18px; }

.btn-primary, .btn-ghost {
  display: inline-block; margin-top: 18px;
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.14em;
  font-weight: 700; font-size: 15px;
  padding: 14px 22px; text-decoration: none; cursor: pointer;
  border: 3px solid var(--black);
  transition: transform 0.08s ease;
}
.btn-primary {
  background: var(--red); color: var(--paper);
  box-shadow: var(--shadow);
}
.btn-primary:hover { background: var(--red-deep); color: var(--paper); transform: translate(-2px, -2px); box-shadow: 8px 8px 0 0 var(--black); }
.btn-ghost { background: transparent; color: var(--black); }
.btn-ghost:hover { background: var(--black); color: var(--paper); }
.btn-ghost[disabled] { opacity: 0.4; cursor: not-allowed; }

/* Hero art */
.hero-art { display: flex; justify-content: center; }
.poster-mock {
  width: 280px; height: 380px;
  background: var(--red); color: var(--paper);
  border: 6px solid var(--black);
  box-shadow: 14px 14px 0 0 var(--black);
  display: flex; align-items: center; justify-content: center;
  position: relative; transform: rotate(-3deg);
}
.poster-mock::before {
  content: ""; position: absolute; inset: 14px;
  border: 2px solid var(--paper); opacity: 0.5;
}
.poster-mock-inner {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  text-align: center; padding: 20px;
}
.poster-mock .cyr {
  font-family: var(--display); font-size: 56px; line-height: 1;
  letter-spacing: 0.04em;
}
.poster-mock .tag {
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.2em; font-size: 12px;
  border-top: 2px solid var(--paper); padding-top: 10px;
}

/* ---------- Sections ---------- */
.section-head {
  padding: 0 clamp(20px, 5vw, 60px);
  margin: 60px 0 28px;
}
.section-head h3 {
  font-family: var(--display); font-size: clamp(26px, 4vw, 38px);
  margin: 0; color: var(--black);
  border-left: 10px solid var(--red); padding-left: 16px;
}
.section-head p { font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink); opacity: 0.75; margin: 8px 0 0 26px; font-size: 13px; }

.collection { padding-bottom: 60px; border-bottom: 4px solid var(--black); }

/* Lecteur d'introduction sur la page d'accueil */
.intro-audio-section {
  padding: 0 0 50px;
  border-bottom: 4px solid var(--black);
}
.intro-audio-wrap {
  padding: 0 clamp(20px, 5vw, 60px);
  max-width: 900px;
}
.intro-audio-wrap .audio-block { margin-bottom: 0; }
.discovery-counter {
  margin: 0 clamp(20px, 5vw, 60px) 22px;
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 13px; color: var(--ink);
}
.discovery-counter .discovery-num {
  display: inline-block;
  background: var(--red); color: var(--paper);
  padding: 4px 10px; margin-right: 8px;
  font-weight: 700; letter-spacing: 0.1em;
  box-shadow: 3px 3px 0 0 var(--black);
}
.poster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  padding: 0 clamp(20px, 5vw, 60px);
}
.loading { font-style: italic; opacity: 0.7; padding: 0 clamp(20px, 5vw, 60px); }

/* ---------- Carte affiche ---------- */
.poster-card {
  background: var(--paper);
  border: 4px solid var(--black);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.poster-card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 0 var(--black); }
.poster-card-link { text-decoration: none; color: inherit; display: block; }
.poster-card-frame {
  background: var(--paper-dark);
  aspect-ratio: 3/4; overflow: hidden;
  border-bottom: 4px solid var(--black);
  display: flex; align-items: center; justify-content: center;
}
.poster-card-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.poster-card-frame-empty { font-family: var(--display); font-size: 80px; color: var(--red); }
.poster-card-meta { padding: 16px 18px 14px; }
.poster-card-meta h4 {
  font-family: var(--display); font-size: 22px; margin: 4px 0 6px; color: var(--black);
}
.poster-card-author { font-style: italic; margin: 0; color: var(--ink); opacity: 0.85; }
.poster-card-qr {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 18px;
  border-top: 2px dashed var(--black);
  background: repeating-linear-gradient(45deg, transparent 0 6px, rgba(26,15,10,0.04) 6px 12px);
}
.qr-box { background: var(--paper); padding: 6px; border: 2px solid var(--black); line-height: 0; }
.qr-box img, .qr-box canvas { display: block; }
.qr-label {
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.18em; font-size: 12px; color: var(--ink);
}

/* ---------- À propos ---------- */
.about { padding: 0 0 60px; }
.about-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  padding: 0 clamp(20px, 5vw, 60px);
}
.about-grid > div {
  background: var(--paper);
  border: 3px solid var(--black);
  padding: 22px;
}
.about-grid h4 { font-family: var(--display); margin: 0 0 8px; color: var(--red-deep); font-size: 20px; }
.about-grid code { background: var(--black); color: var(--paper); padding: 2px 6px; font-size: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative; z-index: 2;
  background: var(--black); color: var(--paper);
  padding: 28px clamp(20px, 5vw, 60px);
  text-align: center;
  font-family: var(--sans); letter-spacing: 0.14em; text-transform: uppercase; font-size: 13px;
}
.site-footer p { margin: 4px 0; }
.footer-sub { opacity: 0.65; text-transform: none; letter-spacing: 0.04em; font-family: var(--serif); font-style: italic; }

/* ---------- Page Affiche (détail) ---------- */
.poster-page {
  padding: clamp(30px, 5vw, 60px) clamp(20px, 5vw, 60px) 60px;
  border-bottom: 4px solid var(--black);
}
.poster-detail {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 50px;
  max-width: 1200px; margin: 0 auto;
}
.poster-image-wrap { position: sticky; top: 24px; align-self: start; }
.poster-frame {
  background: var(--paper-dark);
  border: 6px solid var(--black);
  box-shadow: 14px 14px 0 0 var(--red-deep);
  padding: 14px;
}
.poster-frame img { width: 100%; height: auto; display: block; }
.poster-frame-empty {
  aspect-ratio: 3/4; display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 140px; color: var(--red);
}
.poster-caption { font-style: italic; margin: 14px 4px 0; opacity: 0.8; }

.poster-info .poster-title {
  font-family: var(--display); font-size: clamp(30px, 4.2vw, 50px);
  line-height: 1.05; margin: 0 0 6px; color: var(--black);
}
.poster-translit {
  font-family: var(--display); color: var(--red-deep); margin: 0 0 22px;
  font-size: 22px; letter-spacing: 0.04em;
}
.poster-translit-trad {
  font-family: var(--serif); font-style: italic;
  color: var(--ink); opacity: 0.75;
  margin: -16px 0 22px; font-size: 15px;
}

/* Traductions françaises sous le russe (en italique discret) */
.trad, .cyr-trad {
  font-family: var(--serif); font-style: italic;
  color: var(--paper); opacity: 0.85;
  font-size: 13px; letter-spacing: 0.02em;
  text-transform: none;
}
.kicker .trad {
  color: var(--ink); opacity: 0.7;
  margin-left: 6px;
}
.poster-mock .cyr-trad {
  display: block; margin-top: -10px;
  color: var(--paper); font-size: 16px;
}

.poster-facts {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  margin: 0 0 28px;
  border-top: 3px solid var(--black);
  border-left: 3px solid var(--black);
}
.poster-facts > div {
  border-right: 3px solid var(--black); border-bottom: 3px solid var(--black);
  padding: 12px 14px; background: var(--paper);
}
.poster-facts dt {
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 11px; color: var(--red-deep); margin-bottom: 4px;
}
.poster-facts dd { margin: 0; font-weight: 600; }

.audio-block {
  background: var(--black); color: var(--paper);
  padding: 22px; margin-bottom: 30px;
  border: 3px solid var(--black);
  box-shadow: 8px 8px 0 0 var(--red);
}
.audio-block h3 {
  font-family: var(--display); margin: 0 0 14px;
  color: var(--paper); font-size: 22px;
  border-left: 6px solid var(--red); padding-left: 12px;
}

/* Sélecteur de langues (drapeaux) */
.audio-langs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 14px;
}
.audio-lang {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--paper);
  border: 2px solid var(--paper); padding: 6px 12px;
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all 0.12s ease;
}
.audio-lang:hover { background: var(--paper); color: var(--black); }
.audio-lang.is-active {
  background: var(--red); color: var(--paper); border-color: var(--red);
  box-shadow: 3px 3px 0 0 var(--paper);
}
.audio-lang-flag { font-size: 18px; line-height: 1; }
.audio-lang-label { letter-spacing: 0.08em; }

/* Lecteur audio natif */
.audio-player {
  width: 100%; display: block; margin: 6px 0 0;
  filter: invert(0.92) hue-rotate(180deg);
  border-radius: 0;
}
.audio-player::-webkit-media-controls-panel {
  background: var(--paper);
}

.audio-unlock {
  margin-top: 14px;
}

.audio-hint { margin: 12px 0 0; font-size: 13px; opacity: 0.7; font-style: italic; }

.poster-text h3 {
  font-family: var(--display); font-size: 22px; margin: 0 0 12px;
  color: var(--black); border-left: 6px solid var(--red); padding-left: 12px;
}
.poster-description p { margin: 0 0 14px; }

.back-link { margin-top: 30px; }

.poster-error {
  max-width: 600px; margin: 60px auto; text-align: center;
  background: var(--paper); padding: 40px; border: 4px solid var(--black);
  box-shadow: var(--shadow);
}
.poster-error h2 { font-family: var(--display); color: var(--red-deep); margin-top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; text-align: left; }
  .hero-art { order: -1; }
  .poster-mock { width: 220px; height: 300px; }
  .poster-mock .cyr { font-size: 44px; }
  .poster-detail { grid-template-columns: 1fr; gap: 32px; }
  .poster-image-wrap { position: static; }
  .site-nav a { margin-left: 12px; font-size: 13px; }
}

@media (max-width: 520px) {
  .site-header { flex-direction: column; gap: 12px; align-items: flex-start; }
  .poster-facts { grid-template-columns: 1fr; }
  .brand-mark { width: 44px; height: 44px; font-size: 24px; }
}

/* ---------- Page Gate (contrôle des tickets) ---------- */
.gate-main {
  padding: clamp(30px, 5vw, 60px) clamp(20px, 5vw, 60px) 60px;
  border-bottom: 4px solid var(--black);
}
.gate-card {
  max-width: 1100px; margin: 0 auto;
  background: var(--paper);
  border: 4px solid var(--black);
  box-shadow: 12px 12px 0 0 var(--red);
  padding: clamp(24px, 4vw, 48px);
}
.gate-card h2 {
  font-family: var(--display); font-size: clamp(28px, 4.4vw, 42px);
  margin: 6px 0 14px; color: var(--black);
}
.gate-card .lead { max-width: 70ch; margin: 0 0 28px; }

.gate-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.gate-block {
  background: var(--paper-dark);
  border: 3px solid var(--black);
  padding: 20px;
}
.gate-block h3 {
  font-family: var(--display); font-size: 22px; margin: 0 0 14px;
  color: var(--black); border-left: 6px solid var(--red); padding-left: 12px;
}

.reader {
  width: 100%; min-height: 220px;
  background: var(--black);
  border: 3px solid var(--black);
  margin-bottom: 12px; overflow: hidden;
}
.reader video { width: 100% !important; height: auto !important; display: block; }
.reader-controls { display: flex; gap: 10px; flex-wrap: wrap; }
.reader-controls .btn-primary,
.reader-controls .btn-ghost { margin-top: 0; }

.manual-form { display: flex; flex-direction: column; gap: 10px; }
.manual-form label {
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 12px; color: var(--red-deep);
}
.manual-form input {
  font-family: var(--serif); font-size: 18px;
  padding: 12px 14px;
  border: 3px solid var(--black);
  background: var(--paper);
  letter-spacing: 0.08em;
}
.manual-form input:focus {
  outline: none; box-shadow: 4px 4px 0 0 var(--red);
}
.manual-form .btn-primary { margin-top: 6px; align-self: flex-start; }

.gate-error, .gate-success {
  margin-top: 24px; padding: 14px 18px;
  font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.1em;
  font-weight: 700; font-size: 14px;
  border: 3px solid var(--black);
}
.gate-error { background: var(--red); color: var(--paper); box-shadow: 6px 6px 0 0 var(--black); }
.gate-success { background: var(--paper); color: var(--black); border-color: var(--red); box-shadow: 6px 6px 0 0 var(--red); }

.gate-help { margin-top: 28px; font-size: 14px; }
.gate-help summary {
  cursor: pointer; font-family: var(--sans); text-transform: uppercase;
  letter-spacing: 0.14em; font-size: 12px; color: var(--red-deep);
}
.gate-help code { background: var(--black); color: var(--paper); padding: 2px 6px; }

/* Bloc verrouillé sur la page d'accueil */
.grid-locked {
  grid-column: 1 / -1;
  background: var(--paper);
  border: 4px dashed var(--black);
  padding: 40px clamp(20px, 4vw, 40px);
  text-align: center;
  max-width: 720px; margin: 0 auto;
}
.grid-locked .locked-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px;
  background: var(--red); color: var(--paper);
  font-size: 36px; margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.grid-locked h4 {
  font-family: var(--display); font-size: 26px; margin: 0 0 8px; color: var(--black);
}
.grid-locked p { margin: 0 0 18px; }

@media (max-width: 720px) {
  .gate-grid { grid-template-columns: 1fr; }
}