/* Album Martinique — feuille de style */

:root {
  --sable:        #FFFCF4;
  --ecume:        #FFFFFF;
  --lagon:        #10A5A0;
  --lagon-fonce:  #0A6A72;
  --encre:        #123A42;
  --encre-douce:  #4E7078;
  --soleil:       #FFC02E;
  --hibiscus:     #E0452F;
  --canne:        #2E8B3D;
  --indigo:       #1B6CA8;

  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --texte:   "Karla", "Avenir Next", "Segoe UI", system-ui, sans-serif;

  --rayon: 14px;
  --marge: clamp(1.25rem, 4vw, 3.5rem);
  --ombre: 0 2px 4px rgba(18,58,66,.06), 0 12px 28px rgba(18,58,66,.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--sable);
  color: var(--encre);
  font-family: var(--texte);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: var(--lagon-fonce); }

h1, h2 {
  font-family: var(--display);
  overflow-wrap: break-word;
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.05;
  margin: 0;
}

.eyebrow {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin: 0;
}

/* --- Le madras : la signature de l'album ------------------------------- */
.madras {
  height: 7px;
  background:
    repeating-linear-gradient(90deg,
      var(--soleil)   0 26px,
      var(--hibiscus) 26px 40px,
      var(--soleil)   40px 48px,
      var(--canne)    48px 62px,
      var(--soleil)   62px 88px,
      var(--indigo)   88px 96px,
      var(--hibiscus) 96px 110px,
      var(--soleil)   110px 118px);
}

/* --- Bannière d'accueil ------------------------------------------------ */
.hero, .bandeau {
  position: relative;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center 58%;
  background-color: var(--lagon-fonce);
  overflow: hidden;
}

.hero { min-height: min(66vh, 560px); }
.bandeau { min-height: min(38vh, 300px); }

.hero-voile {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(18,58,66,.30) 0%,
    rgba(18,58,66,.05) 40%,
    rgba(18,58,66,.62) 100%);
}

.hero-texte, .bandeau-texte {
  position: relative;
  padding: var(--marge);
  padding-bottom: calc(var(--marge) + .5rem);
  color: #fff;
  text-shadow: 0 2px 20px rgba(18,58,66,.5);
}

.hero-texte .eyebrow, .bandeau-texte .eyebrow { color: var(--soleil); }

.hero-texte .eyebrow {
  text-transform: none;
  letter-spacing: .02em;
  font-size: 1.05rem;
  font-weight: 400;
}

.hero h1 {
  font-size: clamp(3rem, 12vw, 7.5rem);
  font-variation-settings: "SOFT" 60, "WONK" 1;
  margin-top: .1em;
}

.bandeau h1 {
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  margin: .15em 0 .3em;
}

.hero .madras, .bandeau .madras {
  position: absolute;
  inset: auto 0 0 0;
}

.retour {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  border-bottom: 2px solid transparent;
  transition: border-color .2s;
}
.retour:hover, .retour:focus-visible { border-color: var(--soleil); }

/* --- Contenu ----------------------------------------------------------- */
.contenu {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4.5rem) var(--marge) 4rem;
}

.titre-section {
  font-size: 1.05rem;
  font-family: var(--texte);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--encre-douce);
  margin: 0 0 1.5rem;
}

/* --- Encart carte ------------------------------------------------------ */
.encart {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 7vw, 5rem);
}

.encart h2 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  color: var(--lagon-fonce);
  font-variation-settings: "SOFT" 40;
  margin-bottom: .6rem;
}

.encart p {
  color: var(--encre-douce);
  max-width: 46ch;
  margin: 0;
}

.encart-carte {
  margin: 0 0 0 auto;
  max-width: 240px;
  border-radius: var(--rayon);
  overflow: hidden;
  box-shadow: var(--ombre);
  transform: rotate(-1.2deg);
}

/* --- Sommaire (navigation rapide par décennie) -------------------------- */
html { scroll-behavior: smooth; }

.sommaire {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  align-items: center;
  padding: .75rem var(--marge);
  margin: 0 calc(-1 * var(--marge)) clamp(2rem, 6vw, 3.5rem);
  background: rgba(255,252,244,.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(18,58,66,.08);
  scrollbar-width: thin;
}

.sommaire-lien {
  flex-shrink: 0;
  padding: .4rem .95rem;
  border-radius: 999px;
  background: var(--ecume);
  color: var(--lagon-fonce);
  font-size: .85rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--ombre);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.sommaire-lien:hover, .sommaire-lien:focus-visible {
  background: var(--lagon-fonce);
  color: #fff;
  transform: translateY(-2px);
}

.groupe[id], .ruban[id] { scroll-margin-top: 4.5rem; }

/* --- Ruban de la rubrique intégrale ------------------------------------- */
.ruban {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 1.5rem;
  background: var(--ecume);
  border-radius: var(--rayon);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--ombre);
  transition: transform .25s ease, box-shadow .25s ease;
}

.ruban::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  z-index: 2;
  background:
    repeating-linear-gradient(90deg,
      var(--soleil) 0 20px, var(--hibiscus) 20px 30px,
      var(--soleil) 30px 36px, var(--canne) 36px 46px,
      var(--soleil) 46px 66px, var(--indigo) 66px 72px);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}

.ruban:hover, .ruban:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgba(18,58,66,.08), 0 20px 40px rgba(18,58,66,.16);
}
.ruban:hover::before, .ruban:focus-visible::before { transform: scaleX(1); }

.ruban-texte {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .2rem;
  padding: 1.4rem clamp(1rem, 3vw, 2rem);
}

.ruban-titre {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  color: var(--lagon-fonce);
  font-variation-settings: "SOFT" 40;
  line-height: 1.1;
}

.ruban-drapeau {
  width: clamp(26px, 3.4vw, 34px);
  height: auto;
  border-radius: 3px;
  box-shadow: 0 1px 5px rgba(18,58,66,.35);
  flex-shrink: 0;
}

.ruban-detail {
  font-size: .9rem;
  color: var(--encre-douce);
}

.ruban-apercu {
  display: flex;
  flex-shrink: 0;
}

.ruban-apercu img {
  width: clamp(76px, 12vw, 132px);
  height: 100%;
  object-fit: cover;
  transition: opacity .2s ease;
}

.ruban-apercu img.en-transition { opacity: 0; }

/* --- Groupes par décennie ----------------------------------------------- */
.groupe { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }

.titre-groupe {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--lagon-fonce);
  font-variation-settings: "SOFT" 40;
  margin: 0 0 1.1rem;
  padding-bottom: .55rem;
  border-bottom: 2px solid rgba(16,165,160,.22);
}

.groupe-nb {
  font-family: var(--texte);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--encre-douce);
  white-space: nowrap;
}

.lien-decennie {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
}

.fleche-decennie {
  font-size: .7em;
  color: var(--lagon);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .25s ease, transform .25s ease;
}

.lien-decennie:hover, .lien-decennie:focus-visible { color: var(--lagon); }
.lien-decennie:hover .fleche-decennie,
.lien-decennie:focus-visible .fleche-decennie {
  opacity: 1;
  transform: none;
}

/* --- Liseré de retour : signale la carte d'où l'on revient -------------- */
.carte, .ruban, .groupe { scroll-margin-top: 1.5rem; }

.carte:target, .ruban:target { animation: lisere 2.4s ease forwards; }

@keyframes lisere {
  0%, 55%  { box-shadow: 0 0 0 3px var(--lagon), var(--ombre); }
  100%     { box-shadow: 0 0 0 0 rgba(16,165,160,0), var(--ombre); }
}

/* --- Cartes de rubriques ----------------------------------------------- */
.grille-cartes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(178px, 46%), 1fr));
  gap: clamp(.8rem, 2vw, 1.3rem);
}

.carte {
  position: relative;
  display: block;
  background: var(--ecume);
  border-radius: var(--rayon);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--ombre);
  transition: transform .25s ease, box-shadow .25s ease;
}

.carte::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  z-index: 2;
  background:
    repeating-linear-gradient(90deg,
      var(--soleil) 0 20px, var(--hibiscus) 20px 30px,
      var(--soleil) 30px 36px, var(--canne) 36px 46px,
      var(--soleil) 46px 66px, var(--indigo) 66px 72px);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}

.carte:hover, .carte:focus-visible {
  transform: translateY(-5px);
  box-shadow: 0 4px 8px rgba(18,58,66,.08), 0 20px 40px rgba(18,58,66,.16);
}
.carte:hover::before, .carte:focus-visible::before { transform: scaleX(1); }

.carte-image { display: block; aspect-ratio: 4 / 3; overflow: hidden; }
.carte-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.carte:hover .carte-image img { transform: scale(1.05); }

.carte-texte {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding: .7rem .9rem .85rem;
}

.carte-titre {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--lagon-fonce);
  font-variation-settings: "SOFT" 40;
}

.carte-nb {
  font-size: .82rem;
  color: var(--encre-douce);
  white-space: nowrap;
}

/* --- Grille de photos --------------------------------------------------- */
.grille-photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(210px, 47%), 1fr));
  gap: clamp(.6rem, 1.4vw, 1rem);
}

.vignette {
  padding: 0;
  border: 0;
  margin: 0;
  background: #E7EFEF;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  box-shadow: 0 1px 2px rgba(18,58,66,.08);
  transition: transform .2s ease, box-shadow .2s ease;
}

.vignette img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.vignette:hover, .vignette:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(18,58,66,.18);
}
.vignette:hover img { transform: scale(1.06); }

.vignette--video { position: relative; }
.vignette--video::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background:
    rgba(10,30,35,.55)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M8 5v14l11-7z'/%3E%3C/svg%3E")
    no-repeat center/18px 18px;
  pointer-events: none;
  transition: transform .2s ease;
}
.vignette--video:hover::after, .vignette--video:focus-visible::after { transform: scale(1.1); }

/* --- Navigation entre rubriques ---------------------------------------- */
.nav-rubriques {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(18,58,66,.12);
}

.lien-nav {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--lagon-fonce);
  border-bottom: 2px solid transparent;
  transition: border-color .2s;
}
.lien-nav:hover, .lien-nav:focus-visible { border-color: var(--soleil); }

.lien-accueil {
  align-self: center;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--encre-douce);
  padding: .5rem .9rem;
  border-radius: 999px;
  border: 1px solid rgba(18,58,66,.18);
  transition: background .2s, color .2s, border-color .2s;
}
.lien-accueil:hover, .lien-accueil:focus-visible {
  background: var(--lagon);
  border-color: var(--lagon);
  color: #fff;
}

/* --- Bouton de retour flottant ------------------------------------------ */
.retour-accueil {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .75rem 1.15rem;
  border-radius: 999px;
  background: var(--lagon-fonce);
  color: #fff;
  font-weight: 600;
  font-size: .92rem;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(18,58,66,.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s,
              background .2s ease;
}

.retour-accueil.visible { opacity: 1; visibility: visible; transform: none; }
.retour-accueil:hover, .retour-accueil:focus-visible { background: var(--lagon); }

/* --- Visionneuse -------------------------------------------------------- */
.visionneuse {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,30,35,.96);
  animation: apparait .2s ease;
}
.visionneuse[hidden] { display: none; }

@keyframes apparait { from { opacity: 0 } to { opacity: 1 } }

.visionneuse img,
.visionneuse video {
  max-width: 92vw;
  max-height: 84vh;
  border-radius: 4px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}
.visionneuse video[hidden] { display: none; }

/* Fin de l'album : léger ressaut, sans message ni interruption */
.visionneuse img.butee { animation: butee .3s ease; }

@keyframes butee {
  0%   { transform: translateX(0); }
  30%  { transform: translateX(14px); }
  60%  { transform: translateX(-6px); }
  100% { transform: translateX(0); }
}

.visionneuse button {
  position: absolute;
  border: 0;
  background: rgba(255,255,255,.10);
  color: #fff;
  cursor: pointer;
  border-radius: 999px;
  line-height: 1;
  transition: background .2s;
}
.visionneuse button:hover, .visionneuse button:focus-visible {
  background: var(--lagon);
}

.v-rubrique {
  position: absolute;
  top: 1.1rem;
  left: 1.4rem;
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 46px;
  color: #fff;
  font-variation-settings: "SOFT" 40;
  text-shadow: 0 2px 12px rgba(0,0,0,.55);
  pointer-events: none;
}

.v-fermer {
  top: 1.1rem; right: 1.1rem;
  width: 46px; height: 46px;
  font-size: 1.7rem;
}

.v-precedent, .v-suivant {
  top: 50%;
  transform: translateY(-50%);
  width: 54px; height: 54px;
  font-size: 2.2rem;
  padding-bottom: .2em;
}
.v-precedent { left: 1.1rem; }
.v-suivant   { right: 1.1rem; }

.v-legende {
  position: absolute;
  left: 0; right: 0; bottom: 1.1rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  margin: 0;
  padding: 0 5rem;
}
#v-compteur { color: var(--soleil); font-weight: 600; white-space: nowrap; }

/* --- Pied de page ------------------------------------------------------- */
.pied { margin-top: auto; }
.pied p {
  text-align: center;
  padding: 1.5rem;
  margin: 0;
  font-size: .85rem;
  color: var(--encre-douce);
}
.pied p.mentions {
  padding-top: 0;
  font-size: .75rem;
}
.pied p.mentions a {
  color: inherit;
}

/* --- Accessibilité et petits écrans ------------------------------------- */
:focus-visible { outline: 3px solid var(--soleil); outline-offset: 3px; }

@media (max-width: 720px) {
  .encart { grid-template-columns: 1fr; }
  .titre-groupe { flex-direction: column; gap: .1rem; }
  .ruban { flex-direction: column; gap: 0; }
  .ruban-texte { padding: 1.1rem 1.1rem .9rem; }
  .ruban-apercu img { width: 25%; height: 84px; }
  .encart-carte { margin-inline: auto; }
  .v-precedent, .v-suivant { width: 44px; height: 44px; font-size: 1.8rem; }
  .carte-titre { font-size: 1.15rem; }
  .carte-texte { flex-direction: column; gap: 0; }
  .visionneuse img, .visionneuse video { max-width: 100vw; max-height: 78vh; border-radius: 0; }
  .retour-accueil { padding: .65rem 1rem; font-size: .85rem; }
  .nav-rubriques { justify-content: center; }
  .v-legende { padding: 0 1rem; flex-direction: column; align-items: center; gap: .2rem; }
  .v-rubrique { font-size: 1.15rem; left: 1rem; line-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before { transition: none !important; animation: none !important; }
}