/* ==========================================================================
   HUCHE & SABLE — feuille de style principale
   Éditorial haut de gamme · ivoire & charbon · HTML/CSS natif
   Aucune dépendance externe (polices auto-hébergées).
   ========================================================================== */

/* ---------- 1. Jetons ---------------------------------------------------- */

:root {
  --ivoire: #f3eee4;
  --ivoire-clair: #fbf8f2;
  --ivoire-fonce: #eae1d1;
  --charbon: #1c1a17;
  --charbon-doux: #2e2a25;
  --gris: #57514a;
  --laiton: #8a5a33;
  --laiton-clair: #b08a5e;
  --filet: rgba(28, 26, 23, 0.14);
  --filet-doux: rgba(28, 26, 23, 0.08);
  --filet-clair: rgba(243, 238, 228, 0.18);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Jost", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --marge: 24px;
  --gouttiere: 16px;
  --conteneur: 1440px;
  --espace-section: 88px;
  --hauteur-entete: 76px;

  --duree: 240ms;
  --duree-lente: 700ms;
  --courbe: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 769px) {
  :root {
    --marge: 72px;
    --gouttiere: 24px;
    --espace-section: 160px;
    --hauteur-entete: 92px;
  }
}

/* ---------- 2. Base ----------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--ivoire);
  color: var(--charbon);
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1rem, 0.35vw + 0.9rem, 1.125rem);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin: 0;
}

p {
  margin: 0;
}

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

a {
  color: inherit;
}

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

.est-sombre :focus-visible {
  outline-color: var(--ivoire);
}

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- 3. Utilitaires de mise en page ------------------------------ */

/* État initial de chargement : le contenu apparaît dès que la page est prête.
   Sans JavaScript, le style est neutralisé par le bloc <noscript> du document. */
main {
  transition: opacity 520ms var(--courbe);
}

body.est-chargement main {
  opacity: 0;
}

.conteneur {
  width: 100%;
  max-width: var(--conteneur);
  margin-inline: auto;
  padding-inline: var(--marge);
}

.section {
  padding-block: var(--espace-section);
}

section[id],
main[id] {
  scroll-margin-top: calc(var(--hauteur-entete) + 12px);
}

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

.lien-evitement {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--charbon);
  color: var(--ivoire);
  padding: 14px 22px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}

.lien-evitement:focus {
  left: 16px;
  top: 16px;
}

.sur-titre {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gris);
  margin: 0;
}

.titre-1 {
  font-size: clamp(2.75rem, 8vw, 7.25rem);
  line-height: 0.93;
  font-variation-settings: "SOFT" 18, "WONK" 1;
}

.titre-2 {
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  line-height: 1.06;
}

.titre-3 {
  font-size: clamp(1.35rem, 1.6vw, 1.9rem);
  line-height: 1.2;
}

em,
.it {
  font-style: italic;
}

.lead {
  font-size: clamp(1.05rem, 0.45vw + 0.95rem, 1.3rem);
  line-height: 1.62;
  color: var(--charbon-doux);
  max-width: 54ch;
}

.texte {
  max-width: 64ch;
  color: var(--gris);
}

.trait {
  width: 54px;
  height: 2px;
  background: var(--laiton);
  border: 0;
}

.mesure {
  max-width: 62ch;
}

.encre-laiton {
  color: var(--laiton);
}

/* ---------- 4. Boutons ---------------------------------------------------- */

.bouton {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 28px;
  border: 1px solid var(--charbon);
  background: transparent;
  color: var(--charbon);
  cursor: pointer;
  transition: background-color var(--duree) var(--courbe), color var(--duree) var(--courbe),
    border-color var(--duree) var(--courbe);
}

.bouton--plein {
  background: var(--charbon);
  color: var(--ivoire);
}

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

.bouton--trait:hover,
.bouton--trait:focus-visible {
  background: var(--charbon);
  color: var(--ivoire);
}

.bouton--compact {
  padding: 11px 20px;
  font-size: 0.68rem;
}

.bouton__fleche {
  transition: transform var(--duree) var(--courbe);
}

.bouton:hover .bouton__fleche,
.bouton:focus-visible .bouton__fleche {
  transform: translateX(4px);
}

/* ---------- 5. En-tête ---------------------------------------------------- */

.entete {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--duree) var(--courbe), border-color var(--duree) var(--courbe);
}

.entete.est-souligne {
  background: var(--ivoire);
  border-bottom-color: var(--filet);
}

.entete__interieur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--hauteur-entete);
}

.marque {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45ch;
  font-family: var(--serif);
  font-size: clamp(1rem, 0.4vw + 0.9rem, 1.15rem);
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--charbon);
  white-space: nowrap;
}

.marque em {
  font-style: italic;
  color: var(--laiton);
}

.nav-liens {
  display: none;
  align-items: center;
  gap: 34px;
}

.nav-liens a {
  position: relative;
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: 6px;
  color: var(--charbon);
}

.nav-liens a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--laiton);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duree) var(--courbe);
}

.nav-liens a:hover::after,
.nav-liens a:focus-visible::after,
.nav-liens a[aria-current="true"]::after {
  transform: scaleX(1);
}

.entete__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.entete__actions .bouton--compact {
  display: none;
}

.menu-bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--filet);
  cursor: pointer;
}

.menu-bouton__barres,
.menu-bouton__barres::before,
.menu-bouton__barres::after {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--charbon);
  transition: transform var(--duree) var(--courbe), opacity var(--duree) var(--courbe);
}

.menu-bouton__barres {
  position: relative;
}

.menu-bouton__barres::before,
.menu-bouton__barres::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-bouton__barres::before {
  top: -7px;
}

.menu-bouton__barres::after {
  top: 7px;
}

.menu-bouton[aria-expanded="true"] .menu-bouton__barres {
  background: transparent;
}

.menu-bouton[aria-expanded="true"] .menu-bouton__barres::before {
  transform: translateY(7px) rotate(45deg);
}

.menu-bouton[aria-expanded="true"] .menu-bouton__barres::after {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 769px) {
  .nav-liens {
    display: flex;
  }

  .entete__actions .bouton--compact {
    display: inline-flex;
  }

  .menu-bouton {
    display: none;
  }
}

/* ---------- 6. Panneau mobile -------------------------------------------- */

.panneau {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--ivoire);
  padding: calc(var(--hauteur-entete) + 32px) var(--marge) 40px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transform: translateY(-2%);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duree) var(--courbe), transform var(--duree) var(--courbe),
    visibility 0s linear var(--duree);
}

.panneau.est-ouvert {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.panneau__fermer {
  align-self: flex-end;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris);
  background: transparent;
  border: 0;
  padding: 10px 0;
  cursor: pointer;
}

.panneau ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
}

.panneau ul a {
  font-family: var(--serif);
  font-size: clamp(2rem, 9vw, 3rem);
  line-height: 1.15;
  text-decoration: none;
  color: var(--charbon);
  padding-block: 6px;
  border-bottom: 1px solid var(--filet-doux);
}

.panneau__pied {
  margin-top: auto;
  padding-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--gris);
}

body.menu-ouvert {
  overflow: hidden;
}

@media (min-width: 769px) {
  .panneau {
    display: none;
  }
}

/* ---------- 7. Héros ------------------------------------------------------ */

.hero {
  padding-top: calc(var(--hauteur-entete) + 40px);
  padding-bottom: clamp(48px, 8vw, 120px);
}

.hero__grille {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  align-items: end;
}

.hero__texte {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.hero__visuel {
  margin: 0;
  border: 1px solid var(--filet);
  background: var(--ivoire-clair);
  padding: 18px 18px 14px;
}

.hero__visuel img {
  width: 100%;
}

.hero__visuel figcaption {
  margin-top: 12px;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--gris);
  border-top: 1px solid var(--filet-doux);
  padding-top: 10px;
}

@media (min-width: 1024px) {
  .hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
  }

  .hero__grille {
    grid-template-columns: 7fr 5fr;
    gap: clamp(48px, 6vw, 96px);
  }
}

/* ---------- 8. Manifeste --------------------------------------------------- */

.manifeste {
  padding-block: var(--espace-section);
  border-top: 1px solid var(--filet);
}

.manifeste__grille {
  display: grid;
  gap: 28px;
}

.manifeste__note {
  font-size: 0.82rem;
  color: var(--gris);
  border-left: 1px solid var(--laiton);
  padding-left: 16px;
  max-width: 30ch;
}

@media (min-width: 900px) {
  .manifeste__grille {
    grid-template-columns: 8fr 3fr 1fr;
    gap: 40px;
    align-items: start;
  }
}

/* ---------- 9. Collections ------------------------------------------------- */

.section__entete {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.section__entete .titre-2 {
  margin-top: 14px;
}

.filtres {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filtre {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gris);
  background: transparent;
  border: 1px solid var(--filet);
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  transition: background-color var(--duree) var(--courbe), color var(--duree) var(--courbe),
    border-color var(--duree) var(--courbe);
}

.filtre:hover {
  border-color: var(--charbon);
  color: var(--charbon);
}

.filtre[aria-pressed="true"] {
  background: var(--charbon);
  border-color: var(--charbon);
  color: var(--ivoire);
}

.grille-collections {
  display: grid;
  gap: 40px 28px;
}

.piece {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.piece__visuel {
  margin: 0;
  border: 1px solid var(--filet);
  background: var(--ivoire-clair);
  overflow: hidden;
}

.piece__visuel img {
  width: 100%;
  transition: transform 800ms var(--courbe);
}

.piece:hover .piece__visuel img {
  transform: scale(1.025);
}

.piece__titre {
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 1.2;
}

.piece__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--gris);
}

.piece__meta span + span::before {
  content: "·";
  margin-right: 16px;
  color: var(--laiton);
}

.piece[hidden] {
  display: none;
}

.resultats {
  margin-top: 28px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gris);
}

.vide {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--filet);
  max-width: 52ch;
  color: var(--gris);
}

@media (min-width: 641px) {
  .grille-collections {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grille-collections {
    grid-template-columns: repeat(3, 1fr);
    gap: 56px var(--32px);
  }
}

/* ---------- 10. Atelier ----------------------------------------------------- */

.atelier__grille {
  display: grid;
  gap: 32px;
}

.atelier__texte {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.chiffres {
  display: grid;
  gap: 22px;
  border-top: 1px solid var(--filet);
  padding-top: 22px;
}

.chiffre b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.4vw, 3rem);
  line-height: 1;
  font-weight: 400;
}

.chiffre span {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
}

.atelier__visuel {
  margin: 0;
  border: 1px solid var(--filet);
  background: var(--ivoire-clair);
  padding: 16px;
}

.etapes {
  display: grid;
  gap: 24px;
  margin-top: clamp(40px, 5vw, 72px);
}

.etape {
  border-top: 1px solid var(--charbon);
  padding-top: 14px;
}

.etape__num {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--laiton);
  display: block;
  margin-bottom: 4px;
}

.etape__nom {
  font-family: var(--serif);
  font-size: 1.25rem;
  display: block;
}

.etape__desc {
  font-size: 0.88rem;
  color: var(--gris);
}

@media (min-width: 641px) {
  .chiffres {
    grid-template-columns: repeat(3, 1fr);
  }

  .etapes {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .atelier__grille {
    grid-template-columns: 5fr 3fr 4fr;
    gap: 40px;
    align-items: start;
  }

  .etapes {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 11. Journal / citation ------------------------------------------ */

.citation {
  background: var(--charbon);
  color: var(--ivoire);
  padding-block: clamp(72px, 9vw, 148px);
}

.citation__grille {
  display: grid;
  gap: 28px;
}

.citation blockquote {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.6rem, 3.4vw, 3rem);
  line-height: 1.18;
  max-width: 26ch;
}

.citation figcaption {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ivoire-fonce);
}

.citation__source {
  align-self: end;
  border-left: 1px solid var(--filet-clair);
  padding-left: 18px;
  font-size: 0.92rem;
  color: var(--ivoire-fonce);
  max-width: 34ch;
}

@media (min-width: 900px) {
  .citation__grille {
    grid-template-columns: 8fr 3fr;
    gap: 56px;
    align-items: end;
  }
}

/* ---------- 12. Contact ------------------------------------------------------- */

.contact__grille {
  display: grid;
  gap: 40px;
}

.coordonnees {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.coordonnees dl {
  margin: 0;
  width: 100%;
  border-top: 1px solid var(--filet);
}

.coordonnees dl > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 20px;
  padding-block: 12px;
  border-bottom: 1px solid var(--filet-doux);
}

.coordonnees dt {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
}

.coordonnees dd {
  margin: 0;
  text-align: right;
}

.coordonnees a {
  text-decoration: none;
  border-bottom: 1px solid var(--laiton-clair);
  padding-bottom: 1px;
}

.coordonnees a:hover {
  border-bottom-color: var(--laiton);
}

.formulaire {
  display: flex;
  flex-direction: column;
  gap: 22px;
  background: var(--ivoire-clair);
  border: 1px solid var(--filet);
  padding: clamp(22px, 3vw, 36px);
}

.champ {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.champ label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
}

.champ input,
.champ textarea {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--charbon);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--filet);
  padding: 10px 2px;
  border-radius: 0;
}

.champ input:focus-visible,
.champ textarea:focus-visible {
  outline: 2px solid var(--charbon);
  outline-offset: 4px;
}

.champ textarea {
  resize: vertical;
  min-height: 96px;
}

.champ__erreur {
  font-size: 0.8rem;
  color: #8a3b2a;
}

.champ[aria-invalid="true"] input,
.champ[aria-invalid="true"] textarea {
  border-bottom-color: #8a3b2a;
}

.formulaire__statut {
  font-size: 0.86rem;
  color: var(--gris);
  min-height: 1.4em;
}

.formulaire__statut[data-etat="ok"] {
  color: #3f5d43;
}

@media (min-width: 641px) {
  .coordonnees dl > div {
    padding-block: 14px;
  }
}

@media (min-width: 1024px) {
  .contact__grille {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }
}

/* ---------- 13. Pied de page --------------------------------------------------- */

.pied {
  background: var(--charbon);
  color: var(--ivoire);
  padding-block: clamp(56px, 7vw, 96px) 32px;
}

.pied__grille {
  display: grid;
  gap: 32px;
}

.pied__marque {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.04em;
}

.pied__marque em {
  font-style: italic;
  color: var(--laiton-clair);
}

.pied__colonne h2 {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivoire-fonce);
  margin-bottom: 14px;
}

.pied__colonne li + li {
  margin-top: 8px;
}

.pied__colonne a {
  text-decoration: none;
  color: var(--ivoire);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duree) var(--courbe);
}

.pied__colonne a:hover,
.pied__colonne a:focus-visible {
  border-bottom-color: var(--laiton-clair);
}

.pied__bas {
  margin-top: clamp(40px, 5vw, 72px);
  padding-top: 20px;
  border-top: 1px solid var(--filet-clair);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--ivoire-fonce);
}

.pied__legal {
  max-width: 72ch;
  font-size: 0.78rem;
  color: rgba(243, 238, 228, 0.66);
  margin-top: 24px;
}

@media (min-width: 769px) {
  .pied__grille {
    grid-template-columns: 5fr 3fr 4fr;
    gap: 40px;
  }
}

/* ---------- 14. Révélation au scroll ------------------------------------------- */

.revelation {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--duree-lente) var(--courbe), transform var(--duree-lente) var(--courbe);
}

.revelation.est-visible {
  opacity: 1;
  transform: none;
}

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

/* ---------- 15. Page 404 ------------------------------------------------------- */

.page-404 {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--hauteur-entete) + 48px) 64px;
}

.page-404__grille {
  display: grid;
  gap: 32px;
}

.page-404__code {
  font-family: var(--serif);
  font-size: clamp(5rem, 18vw, 11rem);
  line-height: 0.9;
  color: var(--ivoire-fonce);
}

@media (min-width: 900px) {
  .page-404__grille {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: center;
  }
}