/* ==========================================================================
   Manufacture Horloges Comtoises — feuille de style maison
   Design system : nuit d'établi / laiton patiné / parchemin
   Voir brief.md pour la justification de chaque choix.
   ========================================================================== */

:root {
  --nuit: #22223b;
  --nuit-fonce: #1a1a2e;
  --parchemin: #e9d8c6;
  --laiton: #b08d57;
  --gris: #6d6875;
  --atelier: #4f4c57;
  --texte-2: #b4ac9d;
  --texte-2-clair: #4f4c57;
  --filet: rgba(233, 216, 198, 0.16);
  --filet-clair: rgba(34, 34, 59, 0.16);

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Jost", "Segoe UI", system-ui, sans-serif;

  --mesure: 68ch;
  --cadre: 1400px;
  --gouttiere: 1.5rem;
}

/* --- Base ---------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background-color: var(--nuit);
  color: var(--parchemin);
  font-family: var(--sans);
  font-size: 1.125rem;
  line-height: 1.65;
  font-weight: 300;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--laiton);
  color: var(--nuit);
}

:focus-visible {
  outline: 2px solid var(--laiton);
  outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.005em;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Grain fin sur toute la page (tex.grain, 4 %) */
.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* --- Typographie éditoriale ---------------------------------------------- */

.mesure {
  max-width: var(--mesure);
}

.titre-display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.7rem, 6.2vw, 4.9rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
}

.titre-section {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.95rem, 3.6vw, 3rem);
  line-height: 1.12;
}

.titre-sous-section {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  line-height: 1.28;
}

.kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--laiton);
  margin: 0;
}

.kicker--clair {
  color: var(--atelier);
}

.chapo {
  font-size: clamp(1.12rem, 1.6vw, 1.32rem);
  line-height: 1.6;
  color: var(--texte-2);
  max-width: 58ch;
}

.chapo--clair {
  color: var(--texte-2-clair);
}

.chapo--encre {
  color: var(--nuit);
}

.citation {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.35rem, 2.3vw, 1.8rem);
  line-height: 1.4;
  color: var(--parchemin);
  max-width: 34ch;
}

.legende {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 300;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--texte-2);
}

.legende--clair {
  color: var(--texte-2-clair);
}

.texte-secondaire {
  color: var(--texte-2);
}

.texte-secondaire--clair {
  color: var(--texte-2-clair);
}

/* --- Liens ---------------------------------------------------------------- */

.lien-laiton {
  color: var(--laiton);
  background-image: linear-gradient(var(--laiton), var(--laiton));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size 180ms ease-out, color 180ms ease-out;
  padding-bottom: 1px;
}

.lien-laiton:hover,
.lien-laiton:focus-visible {
  background-size: 100% 1px;
}

.lien-clair {
  color: var(--parchemin);
  background-image: linear-gradient(var(--parchemin), var(--parchemin));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size 180ms ease-out;
  padding-bottom: 1px;
}

.lien-clair:hover,
.lien-clair:focus-visible {
  background-size: 100% 1px;
}

/* --- Boutons -------------------------------------------------------------- */

.bouton {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.95rem 1.6rem;
  border: 1px solid var(--laiton);
  color: var(--nuit);
  background: var(--laiton);
  transition: background-color 160ms ease-out, color 160ms ease-out,
    border-color 160ms ease-out;
}

.bouton:hover,
.bouton:focus-visible {
  background: transparent;
  color: var(--laiton);
}

.bouton--fantome {
  background: transparent;
  color: var(--parchemin);
  border-color: var(--filet);
}

.bouton--fantome:hover,
.bouton--fantome:focus-visible {
  border-color: var(--parchemin);
  color: var(--parchemin);
  background: transparent;
}

.bouton__fleche {
  transition: transform 160ms ease-out;
}

.bouton:hover .bouton__fleche {
  transform: translateX(3px);
}

/* --- Filets et séparateurs ------------------------------------------------ */

.filet {
  border: 0;
  border-top: 1px solid var(--filet);
  margin: 0;
}

.filet--clair {
  border-top-color: var(--filet-clair);
}

/* --- Blocs inversés (parchemin) ------------------------------------------- */

.bloc-clair {
  background: var(--parchemin);
  color: var(--nuit);
}

.bloc-clair a.lien-laiton {
  color: #8a6a3b;
  background-image: linear-gradient(#8a6a3b, #8a6a3b);
}

.bloc-clair .kicker {
  color: #8a6a3b;
}

.bloc-clair .legende {
  color: var(--texte-2-clair);
}

/* --- Images --------------------------------------------------------------- */

.image-bloc {
  position: relative;
  overflow: hidden;
  background: var(--nuit-fonce);
}

.image-bloc img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.6, 0.2, 1);
}

.image-bloc--survol:hover img,
.image-bloc--survol:focus-within img {
  transform: scale(1.03);
}

/* Duotone encre/laiton (gfx.duotone) */
.duotone img {
  filter: grayscale(1) contrast(1.07) brightness(0.97);
}

.duotone::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #c9a876;
  mix-blend-mode: multiply;
  opacity: 0.5;
  pointer-events: none;
}

/* Voile de lisibilité pour les textes posés sur image */
.voile {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(26, 26, 46, 0.92) 0%,
    rgba(26, 26, 46, 0.78) 38%,
    rgba(26, 26, 46, 0.28) 72%,
    rgba(26, 26, 46, 0.12) 100%
  );
  pointer-events: none;
}

.voile--bas {
  background: linear-gradient(
    to top,
    rgba(26, 26, 46, 0.95) 0%,
    rgba(26, 26, 46, 0.6) 45%,
    rgba(26, 26, 46, 0.1) 100%
  );
}

@media (max-width: 640px) {
  .voile {
    background: rgba(26, 26, 46, 0.72);
  }
}

.legende-image {
  font-family: var(--sans);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--texte-2);
  border-left: 1px solid var(--filet);
  padding-left: 0.9rem;
}

.legende-image--clair {
  color: var(--texte-2-clair);
  border-left-color: var(--filet-clair);
}

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

.entete {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(34, 34, 59, 0.94);
  border-bottom: 1px solid var(--filet);
}

.entete__barre {
  max-width: var(--cadre);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.marque {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}

.marque__sigle {
  width: 38px;
  height: 38px;
  display: block;
}

.marque__nom {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.05;
  color: var(--parchemin);
  letter-spacing: 0.01em;
}

.marque__nom em {
  font-style: normal;
  color: var(--laiton);
}

.marque__sous {
  display: block;
  font-family: var(--sans);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--texte-2);
  margin-top: 0.3rem;
}

.nav-principale ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-principale__liste {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-principale__liste > li {
  position: relative;
}

.nav-principale__liste > li > a {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--parchemin);
  padding: 0.55rem 0.7rem;
  transition: color 160ms ease-out;
}

.nav-principale__liste > li > a:hover,
.nav-principale__liste > li > a:focus-visible,
.nav-principale__liste > li > a[aria-current] {
  color: var(--laiton);
}

.sous-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 17rem;
  background: var(--nuit-fonce);
  border: 1px solid var(--filet);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 160ms ease-out, transform 160ms ease-out, visibility 160ms;
  z-index: 60;
}

.nav-principale__liste > li:hover .sous-menu,
.nav-principale__liste > li:focus-within .sous-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sous-menu a {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--parchemin);
  padding: 0.5rem 1.1rem;
  transition: color 140ms ease-out, background-color 140ms ease-out;
}

.sous-menu a:hover,
.sous-menu a:focus-visible {
  color: var(--laiton);
  background: rgba(176, 141, 87, 0.1);
}

.sous-menu a[aria-current="page"] {
  color: var(--laiton);
}

.bouton-menu {
  display: none;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--parchemin);
  border: 1px solid var(--filet);
  padding: 0.6rem 0.9rem;
}

.bouton-menu__barres {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.bouton-menu__barres span {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease-out, opacity 180ms ease-out;
}

.bouton-menu[aria-expanded="true"] .bouton-menu__barres span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.bouton-menu[aria-expanded="true"] .bouton-menu__barres span:nth-child(2) {
  opacity: 0;
}

.bouton-menu[aria-expanded="true"] .bouton-menu__barres span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.menu-mobile {
  border-top: 1px solid var(--filet);
  max-height: calc(100svh - 72px);
  overflow-y: auto;
  padding: 1.25rem 1.5rem 2.5rem;
}

.menu-mobile__groupe {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--filet);
}

.menu-mobile__titre {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--laiton);
}

.menu-mobile__liste {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.menu-mobile__liste a {
  font-size: 0.95rem;
  color: var(--parchemin);
}

.menu-mobile__liste a[aria-current="page"] {
  color: var(--laiton);
}

@media (max-width: 1023px) {
  .nav-principale {
    display: none;
  }
  .bouton-menu {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .menu-mobile {
    display: none !important;
  }
}

/* Lien d'évitement */
.évitement {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--laiton);
  color: var(--nuit);
  padding: 0.75rem 1.2rem;
  z-index: 100;
  font-size: 0.85rem;
}

.évitement:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* --- Reveal en cascade ---------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(12px);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 620ms ease-out, transform 620ms ease-out;
}

.reveal[data-delai="1"] {
  transition-delay: 90ms;
}

.reveal[data-delai="2"] {
  transition-delay: 180ms;
}

.reveal[data-delai="3"] {
  transition-delay: 270ms;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --- Pendule (geste propre au sujet) -------------------------------------- */

.pendule__tige {
  transform-origin: 60px 12px;
  transform-box: view-box;
  animation: osciller 3.4s ease-in-out infinite;
}

@keyframes osciller {
  0%,
  100% {
    transform: rotate(-4.5deg);
  }
  50% {
    transform: rotate(4.5deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pendule__tige {
    animation: none;
  }
}

/* --- Encadrés, listes, tableaux ------------------------------------------- */

.encadre {
  border: 1px solid var(--filet);
  padding: 1.75rem;
}

.encadre--clair {
  border-color: var(--filet-clair);
}

.encadre__titre {
  font-family: var(--sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--laiton);
  margin: 0 0 0.9rem;
}

.encadre--clair .encadre__titre {
  color: #8a6a3b;
}

.liste-facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.liste-facts li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--filet);
  font-size: 0.98rem;
}

.liste-facts--clair li {
  border-bottom-color: var(--filet-clair);
}

.liste-facts dt,
.liste-facts .fs__cle {
  color: var(--parchemin);
}

.liste-facts--clair .fs__cle {
  color: var(--nuit);
}

.liste-facts .fs__valeur {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--laiton);
  text-align: right;
}

.liste-facts--clair .fs__valeur {
  color: #8a6a3b;
}

.chronologie {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--filet);
}

.chronologie li {
  position: relative;
  padding: 0 0 1.9rem 1.8rem;
}

.chronologie li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  background: var(--laiton);
  border-radius: 50%;
}

.chronologie--clair li::before {
  background: #8a6a3b;
}

.annee {
  font-family: var(--sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--laiton);
  display: block;
  margin-bottom: 0.35rem;
}

.chronologie--clair .annee {
  color: #8a6a3b;
}

/* Tableau de maisons */
.tableau-maisons {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.tableau-maisons caption {
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--laiton);
  padding-bottom: 0.9rem;
}

.tableau-maisons th {
  text-align: left;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--texte-2);
  padding: 0.7rem 1rem 0.7rem 0;
  border-bottom: 1px solid var(--filet);
  vertical-align: bottom;
}

.tableau-maisons td {
  padding: 0.95rem 1rem 0.95rem 0;
  border-bottom: 1px solid var(--filet);
  vertical-align: top;
  color: var(--parchemin);
}

.tableau-maisons td:first-child {
  font-family: var(--serif);
  font-size: 1.12rem;
  color: var(--parchemin);
  white-space: nowrap;
}

.tableau-maisons tbody tr:hover td {
  color: var(--parchemin);
}

/* Fiches d'acteurs (annuaire) */
.fiche {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--filet);
}

.fiche__nom {
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.2;
}

.fiche__lieu {
  font-family: var(--sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--laiton);
}

.fiche__texte {
  font-size: 0.98rem;
  color: var(--texte-2);
  max-width: 62ch;
}

/* --- Pied de page --------------------------------------------------------- */

.pied {
  background: var(--nuit-fonce);
  border-top: 1px solid var(--filet);
  padding: 4rem 0 2.5rem;
}

.pied__grille {
  max-width: var(--cadre);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 2.5rem 2rem;
}

.pied__col--marque {
  grid-column: span 4;
}

.pied__col--plan {
  grid-column: span 4;
}

.pied__col--contact {
  grid-column: span 4;
}

@media (max-width: 900px) {
  .pied__col--marque,
  .pied__col--plan,
  .pied__col--contact {
    grid-column: span 12;
  }
}

.pied__titre {
  font-family: var(--sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--laiton);
  margin: 0 0 1rem;
}

.pied__liste {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.92rem;
  color: var(--texte-2);
}

.pied__liste a:hover {
  color: var(--parchemin);
}

.pied__bas {
  max-width: var(--cadre);
  margin: 3rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--filet);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--texte-2);
}

/* --- Divers --------------------------------------------------------------- */

.grille-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem 2rem;
}

@media (max-width: 900px) {
  .grille-3 {
    grid-template-columns: 1fr;
  }
}

.survol-cadre {
  display: block;
  transition: transform 400ms cubic-bezier(0.2, 0.6, 0.2, 1);
}

.survol-cadre:hover {
  transform: translateY(-3px);
}

.saisie {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--filet);
  color: var(--parchemin);
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.8rem 0;
  transition: border-color 160ms ease-out;
}

.saisie:focus {
  outline: none;
  border-bottom-color: var(--laiton);
}

.saisie::placeholder {
  color: var(--texte-2);
  opacity: 0.7;
}

.saisie--clair {
  color: var(--nuit);
  border-bottom-color: var(--filet-clair);
}

.saisie--clair:focus {
  border-bottom-color: #8a6a3b;
}

.saisie--clair::placeholder {
  color: var(--texte-2-clair);
  opacity: 0.7;
}

.libelle {
  display: block;
  font-family: var(--sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--texte-2);
  margin-bottom: 0.4rem;
}

.libelle--clair {
  color: var(--texte-2-clair);
}