* { margin: 0; padding: 0; box-sizing: border-box; }

.chargeur {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.chargeur.est-cache {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.chargeur__interieur {
  display: flex;
  align-items: center;
  justify-content: center;
}

.chargeur__video {
  width: 130px;
  height: auto;
  display: block;
}

body.en-chargement,
body.menu-ouvert {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .chargeur { transition: none; }
}

:root {
  --cream: #F6F4EF;
  --cream-2: #F1EFE9;
  --black: #1A1A18;
  --dark: #201E1B;
  --gray-line: #E2DFD7;
  --text-gray: #55534E;
  --text-light-gray: #B8B6AE;
  --radius-pill: 999px;
  --container-width: 1440px;

  --slide-h: 480px;
  --slide-w: calc(var(--slide-h) * 1111 / 624);
  --slide-count: 5;
  --slider-speed: 38s;

  --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 400;
  background: var(--cream);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .logo, nav, .bouton {
  font-family: var(--font);
}

.conteneur {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 48px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

.bouton {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: transform 0.25s ease, background 0.25s ease;
}

.bouton-sombre {
  background: var(--black);
  color: #fff;
}

.bouton-sombre:hover {
  background: #000;
  transform: translateY(-2px);
}

.entete-site {
  background: var(--cream);
  border-bottom: 1px solid var(--gray-line);
  position: relative;
  z-index: 30;
}

.entete-interieur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}

.logo { display: flex; align-items: center; }

.logo-image {
  height: 34px;
  width: auto;
}

.nav-principale ul {
  display: flex;
  gap: 56px;
}

.nav-principale a {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--black);
  padding: 4px 0;
  position: relative;
}

.nav-principale a span {
  position: relative;
  display: inline-block;
}

.nav-principale a span::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

.nav-principale a:hover span::after,
.nav-principale a:focus-visible span::after {
  transform: scaleX(1);
}

.nav-principale a:hover span,
.nav-principale a:focus-visible span {
  color: var(--black);
}

.nav-principale a:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 4px;
  border-radius: 2px;
}

.bouton-menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
  width: 30px;
  height: 24px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.bouton-menu__barre {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.65, 0, 0.35, 1), opacity 0.3s ease, width 0.3s ease;
}

.bouton-menu[aria-expanded="true"] .bouton-menu__barre:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.bouton-menu[aria-expanded="true"] .bouton-menu__barre:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  width: 100%;
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 44px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
}

.nav-mobile.est-ouvert {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-mobile__logo-image {
  height: 44px;
  width: auto;
}

.nav-mobile__liens {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.nav-mobile__liens a {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--black);
}

.nav-mobile__contact {
  margin-top: 4px;
}

.intro {
  padding: 56px 0 64px;
}

.intro h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.sous-titre {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  color: var(--text-gray);
  font-weight: 300;
}

.tiret {
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--black);
  text-indent: -9999px;
  overflow: hidden;
}

.vedette {
  position: relative;
  height: 62vh;
  min-height: 460px;
  overflow: hidden;
}

.vedette__media {
  position: absolute;
  inset: 0;
}

.vedette__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
}

.vedette__superposition {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.15) 0%, rgba(10,10,10,0.55) 100%);
}

.vedette__contenu {
  position: absolute;
  left: 0; right: 0;
  bottom: 64px;
}

.vedette__contenu h2 {
  color: #fff;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  max-width: 480px;
}

.section-citation {
  padding: 260px 0 100px;
  background: var(--cream);
}

.bloc-apparition {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.bloc-apparition.est-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-citation h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 22px;
  line-height: 1.3;
}

.section-citation p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-gray);
  max-width: 640px;
}

.section-citation p + p {
  margin-top: 18px;
}

.grille-icones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 64px;
  row-gap: 40px;
  max-width: 720px;
  margin: 56px auto 0;
}

.icone-titre {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.icone-svg {
  width: 26px;
  height: auto;
  flex-shrink: 0;
}

.icone-titre h4 {
  font-size: 17px;
  font-weight: 700;
}

.icone-bloc p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-gray);
}

.espaceur-section {
  height: 60px;
  background: var(--cream);
}

.apparition-scroll {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.apparition-scroll.est-visible {
  opacity: 1;
  transform: translateY(0);
}

.carrousel {
  position: relative;
  height: var(--slide-h);
  overflow: hidden;
  background: var(--black);
}

.carrousel__piste {
  display: flex;
  width: max-content;
  height: 100%;
  will-change: transform;
  animation: defilement-gauche var(--slider-speed) linear infinite;
}

.diapositive {
  flex: 0 0 var(--slide-w);
  width: var(--slide-w);
  height: 100%;
  overflow: hidden;
}

.diapositive img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes defilement-gauche {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-1 * var(--slide-w) * var(--slide-count))); }
}

.carrousel__superposition {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.28) 0%, rgba(0,0,0,0.05) 15%, rgba(0,0,0,0.05) 85%, rgba(0,0,0,0.28) 100%);
  pointer-events: none;
}

.carrousel__action {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  white-space: nowrap;
  z-index: 5;
}

.carrousel__action:hover,
.carrousel__action:focus-visible {
  transform: none;
  background: #000;
}

.entete-page {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--gray-line);
}

.entete-page h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.etiquette-section {
  margin-top: 16px;
  font-size: 17px;
  color: var(--black);
  font-weight: 500;
}

.bloc-realisation {
  padding: 64px 0;
}

.bloc-realisation + .bloc-realisation {
  border-top: 1px solid var(--gray-line);
}

.bloc-realisation .etiquette-section {
  margin-top: 0;
  margin-bottom: 32px;
  color: var(--black);
  font-weight: 500;
}

.mise-en-page-principale {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 40px;
}

.mise-en-page-principale--inverse {
  flex-direction: row-reverse;
}

.image-principale {
  flex: 1.4 1 0%;
  border-radius: 4px;
  overflow: hidden;
}

.image-principale img {
  width: 100%;
  height: auto;
  display: block;
}

.texte-accompagnement {
  flex: 1 1 0%;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-gray);
}

.grille-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
  align-items: start;
}

.image-duo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.legende {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-light-gray);
}

.paragraphe-pleine-largeur {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-gray);
}

@media (max-width: 900px) {
  .entete-page h1 { font-size: 32px; }

  .mise-en-page-principale,
  .mise-en-page-principale--inverse {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .grille-duo {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.pied-de-page {
  background: var(--dark);
  color: #fff;
  padding-top: 110px;
}

.pied-de-page__interieur {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  padding-bottom: 90px;
}

.pied-de-page__interieur h3 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
}

.pied-de-page__contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
  font-size: 16px;
}

.pied-de-page__contact a { color: #fff; }
.pied-de-page__contact a:hover { text-decoration: underline; }

.pied-de-page__bas {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 26px 48px;
}

.pied-de-page__bas p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}

@media (max-width: 900px) {
  :root {
    --slide-h: 220px;
    --slider-speed: 22s;
  }

  .conteneur { padding: 0 24px; }

  .nav-principale { display: none; }
  .entete-interieur .bouton-sombre { display: none; }
  .bouton-menu { display: flex; }

  .intro h1 { font-size: 38px; }

  .vedette__contenu h2 { font-size: 26px; }

  .section-citation { padding: 160px 0 60px; }
  .section-citation h3 { font-size: 26px; }

  .grille-icones {
    grid-template-columns: 1fr;
    row-gap: 32px;
    margin-top: 40px;
  }

  .pied-de-page__interieur { flex-direction: column; align-items: flex-start; }
  .pied-de-page__contact { text-align: left; }

  .espaceur-section { height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .bloc-apparition,
  .apparition-scroll {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .carrousel__piste {
    animation: none;
  }
  html { scroll-behavior: auto; }
}