/* ===== Variables & base (PDF: brun foncé, bleu clair, blanc) ===== */
:root {
  --font: 'EB Garamond', Georgia, serif;
  --header-h: 8%;
  --floors-width: 14%;
  --content-h: 28%;
  --controls-size: 10%;
  --gap: 2%;
  --radius: 4px;
  --color-brun: #625E55;
  --color-bleu: #E0F1EB;
  --color-blanc: #ffffff;
  --color-bg: var(--color-blanc);
  --color-text: var(--color-brun);
  --color-muted: var(--color-brun);
  --color-accent: var(--color-brun);
  --color-border: #625E55;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  touch-action: manipulation;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(15px, 2.8vw, 19px);
  line-height: 1.45;
  color: var(--color-text);
  background: var(--color-bg);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  touch-action: manipulation;
}

/* ===== Intro : full screen, vidéo en boucle, toucher pour entrer ===== */
.intro-overlay {
  --intro-exit-duration: 0.3s;
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-brun);
  color: var(--color-brun);
  font-family: var(--font);
  animation: introFadeIn 0.4s ease-out forwards;
  pointer-events: auto;
  cursor: pointer;
}

.intro-overlay.is-exiting {
  animation: introExitUp var(--intro-exit-duration) ease-in forwards;
}

.intro-overlay.is-finished {
  pointer-events: none;
  visibility: hidden;
}

/* Plein écran : la stage et la vidéo remplissent tout le viewport */
.intro-overlay__stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--color-brun);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.intro-overlay__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  vertical-align: middle;
}

.intro-overlay__hint {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 0 1em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  font-size: clamp(1.2rem, 4.5vw, 1.6rem);
  font-weight: 400;
  color: var(--color-bleu);
  text-align: center;
  pointer-events: none;
  animation: introHintBlink 2.5s ease-in-out infinite;
}

.intro-overlay.is-exiting .intro-overlay__hint,
.intro-overlay.is-finished .intro-overlay__hint {
  animation: none;
}

.intro-overlay__hint-line {
  display: block;
}

@keyframes introHintBlink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes introFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes introExitUp {
  to {
    transform: translateY(-100%);
  }
}

/* ===== Desktop : blocage ===== */
.desktop-block {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-blanc);
  align-items: center;
  justify-content: center;
  padding: 5%;
  text-align: center;
}

.desktop-block__text {
  font-family: var(--font);
  font-size: clamp(18px, 4vw, 24px);
  max-width: 90%;
}

@media (min-width: 769px) {
  .desktop-block {
    display: flex;
  }
  .app {
    display: none !important;
  }
}

/* ===== App (mobile only) ===== */
.app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 100vh;
  max-height: 100dvh;
}

.app-footer {
  flex-shrink: 0;
  display: flex;
  width: 100%;
}

.app-footer__left {
  width: var(--floors-width);
  min-width: var(--floors-width);
  background: var(--color-brun);
}

.app-credit {
  flex: 1;
  margin: 0;
  padding: 0.35em 4%;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-brun);
  background: var(--color-bleu);
  text-align: right;
}

.app-credit__link {
  color: var(--color-brun);
  text-decoration: underline;
}

.app-credit__link:hover,
.app-credit__link:focus-visible {
  text-decoration: underline;
}

/* ===== Header (maquette : fond brun, typo bleu) ===== */
.header {
  flex-shrink: 0;
  height: var(--header-h);
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 0 4% 0 4%;
  background: var(--color-brun);
  position: relative;
}

.header__title {
  margin: 0;
  font-size: clamp(1.2rem, 3.8vw, 1.55rem);
  font-weight: 400;
  color: var(--color-bleu);
  padding-right: 3em;
}

.lang-toggle {
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 400;
  padding: 0.35em 0.7em;
  background: transparent;
  border: none;
  color: var(--color-bleu);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  tap-highlight-color: transparent;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
  background: transparent;
  color: var(--color-bleu);
}

/* ===== Layout : étages à gauche (sidebar) + zone plan + textes en bas ===== */
.layout {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: row;
}

.layout__main {
  flex: 1;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ===== Étages (maquette : fond brun, sélection bleu, trait entre les chiffres, pas de contour) ===== */
.floors {
  flex-shrink: 0;
  width: var(--floors-width);
  min-width: 48px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0 0 2% 0;
  border-right: 1px solid rgba(98, 94, 85, 0.2);
  background: var(--color-brun);
}

.floors__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.floors__item {
  flex-shrink: 0;
  position: relative;
}

.floors__item:first-child::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 25%;
  max-width: 20px;
  height: 1px;
  background: var(--color-bleu);
}

.floors__item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 25%;
  max-width: 20px;
  height: 1px;
  background: var(--color-bleu);
}

.floors__item:last-child::after {
  display: none;
}

/* Pas de petite barre au-dessus ni en dessous du numéro sélectionné */
.floors__item:has(.floors__btn.is-active)::after {
  display: none;
}
.floors__item:has(+ .floors__item .floors__btn.is-active)::after {
  display: none;
}

.floors__btn {
  font-family: var(--font);
  font-size: 1.45rem;
  font-weight: 600;
  width: 100%;
  min-height: 2.2em;
  padding: 0.35em 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 0;
  background: var(--color-brun);
  color: var(--color-bleu);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.floors__btn:hover,
.floors__btn:focus-visible {
  background: rgba(224, 241, 235, 0.2);
  color: var(--color-bleu);
}

.floors__btn.is-active {
  background: var(--color-bleu);
  color: var(--color-brun);
}

/* ===== Zone plan (scroll/zoom/rotate) ===== */
.plan-section {
  flex: 1;
  min-height: 0;
  min-width: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bleu);
}

.plan-wrap {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  touch-action: none;
  -webkit-overflow-scrolling: touch;
}

.plan-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: 50% 50%;
  transition: transform 0.12s ease-out;
  cursor: grab;
  user-select: none;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

.plan-viewport.is-dragging,
.plan-viewport.is-pinching {
  transition: none;
}

.plan-viewport:active {
  cursor: grabbing;
}

/* Sur iPhone/iOS le viewport transformé est rasterisé en 1x → flou. Inner en DPR× puis scale(1/DPR) force un buffer net. */
.plan-viewport__inner {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(100% * var(--plan-dpr, 2));
  height: calc(100% * var(--plan-dpr, 2));
  transform: translate(-50%, -50%) scale(calc(1 / var(--plan-dpr, 2)));
  transform-origin: center center;
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
}

/* Le plan remplit la zone ; SVG = net à tout zoom. Couche GPU + DPR pour netteté max sur mobile. */
.plan-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  pointer-events: none;
  touch-action: none;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  image-rendering: auto;
  image-rendering: -webkit-optimize-contrast;
}

/* Contrôles zoom / rotation / reset ===== */
.plan-controls {
  position: absolute;
  bottom: 4%;
  right: 4%;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  z-index: 2;
}

.plan-control {
  width: var(--controls-size);
  min-width: 44px;
  max-width: 56px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brun);
  border: none;
  border-radius: 50%;
  color: var(--color-bleu);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.plan-control:hover,
.plan-control:focus-visible {
  background: var(--color-brun);
  color: var(--color-bleu);
}

.plan-control svg {
  width: 55%;
  height: 55%;
}

/* ===== Contenu texte (fixe en bas) ===== */
.content {
  flex-shrink: 0;
  height: var(--content-h);
  min-height: 100px;
  max-height: 35vh;
  padding: 3% 4% 4%;
  overflow-y: auto;
  border-top: 1px solid var(--color-brun);
  background: var(--color-blanc);
  color: var(--color-brun);
}

.content__blocks {
  display: flex;
  flex-direction: column;
  gap: 1em;
}

.content__block {
  margin: 0;
}

.content__block:not(:last-child) {
  padding-bottom: 0.75em;
  border-bottom: 1px solid var(--color-brun);
}

.content__title {
  margin: 0 0 0.4em;
  font-size: 1.28em;
  font-weight: 400;
  display: flex;
  align-items: flex-start;
  gap: 0.5em;
  flex-wrap: wrap;
  line-height: 1.25;
}

.content__post-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6em;
  height: 1.6em;
  padding: 0 0.35em;
  background: var(--color-brun);
  color: var(--color-blanc);
  font-size: 0.95em;
  font-weight: 600;
  border-radius: 0;
  flex-shrink: 0;
}

.content__title-text {
  flex: 1;
  min-width: 0;
  line-height: 1.25;
}

.content__direction {
  margin: 0 0 0.25em;
  font-size: 0.98em;
  font-weight: 600;
  color: var(--color-brun);
}

.content__niveau {
  margin: 0 0 0.5em;
  font-size: 0.98em;
  font-weight: 400;
  font-style: italic;
  color: var(--color-brun);
}

.content__cta {
  display: inline-flex;
  align-items: stretch;
  gap: 0;
  font-size: 0.98em;
  font-weight: 400;
  color: var(--color-brun);
  text-decoration: none;
  cursor: pointer;
  padding: 0.4em 0 0.4em 0.6em;
  border: 1px solid var(--color-brun);
  border-radius: 0;
  margin-top: 0.25em;
}

.content__cta:hover,
.content__cta:focus-visible {
  background: rgba(98, 94, 85, 0.08);
}

.content__cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2em;
  padding: 0.4em 0.4em 0.4em 0.4em;
  margin: -0.4em 0 -0.4em 0.5em;
  background: var(--color-brun);
  flex-shrink: 0;
  align-self: stretch;
}

.content__cta-icon .content__cta-arrow {
  display: block;
  width: 0.45em;
  height: 0.45em;
  border-right: 2px solid var(--color-bleu);
  border-top: 2px solid var(--color-bleu);
  transform: rotate(45deg);
}