/* ==========================================================================
   Boé Coffee — feuille de style principale
   Palette : crème #F2EBDD · chocolat #5B3419 · caramel #794619
             sauge #8E9B67 · charbon #1A1A18 · or #C9A227
   ========================================================================== */

:root {
  --creme: #f2ebdd;
  --creme-fonce: #e9dfc9;
  --chocolat: #5b3419;
  --caramel: #794619;
  --sauge: #8e9b67;
  --sauge-fonce: #75814f;
  --charbon: #1a1a18;
  --or: #c9a227;
  --blanc: #fffdf8;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(91, 52, 25, 0.1);
  --transition: 0.25s ease;
  --font-titres: "Poppins", sans-serif;
  --font-accent: "Fraunces", serif;
}

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

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

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-titres);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--charbon);
  background-color: var(--creme);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto; /* neutralise l'attribut height du HTML : préserve les proportions */
  display: block;
}

a {
  color: var(--caramel);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-titres);
  color: var(--chocolat);
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: clamp(1.9rem, 5.5vw, 3.2rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 600;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  max-width: 65ch;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--chocolat);
  color: var(--creme);
  padding: 0.6rem 1rem;
  z-index: 200;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Structure ---------- */

.conteneur {
  width: min(1120px, 92%);
  margin-inline: auto;
}

section {
  padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.section-entete {
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.surtitre {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--caramel);
  display: block;
  margin-bottom: 0.4rem;
}

.filet-or {
  width: 56px;
  height: 2px;
  background: var(--or);
  border: none;
  margin: 1rem 0 0;
}

.centre {
  text-align: center;
}

.centre .filet-or,
.centre p,
p.centre {
  /* p.centre est indispensable : sans lui le paragraphe garde son max-width
     de 65ch collé à gauche, et le bouton qu'il contient paraît décalé */
  margin-inline: auto;
}

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

.btn {
  display: inline-block;
  font-family: var(--font-titres);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-principal {
  background: var(--chocolat);
  color: var(--creme);
}

.btn-principal:hover {
  background: var(--caramel);
}

.btn-secondaire {
  background: transparent;
  color: var(--chocolat);
  border-color: var(--chocolat);
}

.btn-secondaire:hover {
  background: var(--chocolat);
  color: var(--creme);
}

.btn-clair {
  background: var(--creme);
  color: var(--chocolat);
}

.btn-clair:hover {
  background: var(--blanc);
}

.btn-contour-clair {
  background: transparent;
  color: var(--creme);
  border-color: var(--creme);
}

.btn-contour-clair:hover {
  background: var(--creme);
  color: var(--chocolat);
}

.btn-sauge {
  background: var(--sauge);
  color: var(--blanc);
}

.btn-sauge:hover {
  background: var(--sauge-fonce);
}

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

.entete {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--creme);
  transition: box-shadow var(--transition);
}

.entete.ombre {
  box-shadow: 0 4px 20px rgba(91, 52, 25, 0.12);
}

.entete-barre {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
}

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

.logo-lien img {
  height: 46px;
  width: auto;
}

.nav-principale ul {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  align-items: center;
}

.nav-principale a {
  text-decoration: none;
  color: var(--chocolat);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-principale a:hover {
  color: var(--caramel);
}

.nav-principale a[aria-current="page"] {
  border-bottom-color: var(--or);
}

.nav-principale .nav-devis {
  background: var(--chocolat);
  color: var(--creme);
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  border-bottom: none;
}

.nav-principale .nav-devis:hover {
  background: var(--caramel);
  color: var(--creme);
}

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.burger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--chocolat);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 900px) {
  .burger {
    display: block;
  }

  .nav-principale {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--creme);
    box-shadow: 0 14px 24px rgba(91, 52, 25, 0.15);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-principale.ouverte {
    max-height: 30rem;
  }

  .nav-principale ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 4% 1.2rem;
  }

  .nav-principale li {
    width: 100%;
  }

  .nav-principale a {
    display: block;
    padding: 0.7rem 0;
    font-size: 1.05rem;
  }

  .nav-principale .nav-devis {
    display: inline-block;
    margin-top: 0.6rem;
  }

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

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

  .burger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ---------- Héro ---------- */

.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 5rem 0;
}

.hero-fond {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 26, 24, 0.45) 0%,
    rgba(91, 52, 25, 0.55) 100%
  );
}

.hero-contenu {
  position: relative;
  z-index: 2;
  width: min(760px, 92%);
  color: var(--creme);
}

.hero-logo {
  width: clamp(150px, 24vw, 220px);
  margin: 0 auto 1.6rem;
}

.hero h1 {
  color: var(--blanc);
  margin-bottom: 0.9rem;
}

.hero-sous-titre {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  margin: 0 auto 2rem;
  max-width: 34rem;
}

.hero-boutons {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Héro interne (pages secondaires) */

.hero-page {
  background: var(--chocolat);
  color: var(--creme);
  padding: clamp(3rem, 7vw, 4.5rem) 0;
  text-align: center;
}

.hero-page h1 {
  color: var(--blanc);
}

.hero-page .surtitre {
  color: var(--or);
}

.hero-page p {
  margin: 0.8rem auto 0;
  max-width: 40rem;
}

/* ---------- Bandeau de réassurance ---------- */

.reassurance {
  background: var(--blanc);
  padding: clamp(2rem, 5vw, 3rem) 0;
}

.reassurance-grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.6rem;
}

.reassurance-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}

.reassurance-item svg {
  flex: none;
  width: 42px;
  height: 42px;
  color: var(--sauge);
}

.reassurance-item h3 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.reassurance-item p {
  font-size: 0.9rem;
  color: #4c4c48;
}

/* ---------- Sections texte + image ---------- */

.deux-colonnes {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 820px) {
  .deux-colonnes {
    grid-template-columns: 1fr 1fr;
  }

  .deux-colonnes.inverse > :first-child {
    order: 2;
  }
}

.deux-colonnes .texte p + p {
  margin-top: 1rem;
}

.deux-colonnes .texte .btn,
.deux-colonnes .texte .lien-suite {
  margin-top: 1.6rem;
}

.image-cadre {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.lien-suite {
  display: inline-block;
  font-weight: 600;
  color: var(--caramel);
  text-decoration: none;
  border-bottom: 2px solid var(--or);
  padding-bottom: 2px;
}

.lien-suite:hover {
  color: var(--chocolat);
}

/* ---------- Cartes prestations ---------- */

.cartes-grille {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.carte-presta {
  background: var(--blanc);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
}

.carte-presta:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(91, 52, 25, 0.18);
}

.carte-presta img {
  height: 210px;
  width: 100%;
  object-fit: cover;
}

.carte-presta-corps {
  padding: 1.3rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.carte-presta-corps p {
  font-size: 0.93rem;
  color: #4c4c48;
  margin: 0.4rem 0 1rem;
}

.carte-presta-corps .lien-suite {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- Les deux formules ---------- */

.formules-grille {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .formules-grille {
    grid-template-columns: 1fr 1fr;
    gap: 1.8rem;
  }
}

.formule {
  position: relative;
  background: var(--blanc);
  border-radius: var(--radius);
  border-top: 4px solid var(--sauge);
  padding: 2.2rem 1.6rem 1.7rem;
  box-shadow: var(--shadow);
}

.formule-accent {
  border-top-color: var(--caramel);
}

.formule-num {
  position: absolute;
  top: -20px;
  left: 1.6rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--sauge);
  color: var(--blanc);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.formule-accent .formule-num {
  background: var(--caramel);
}

.formule h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.formule-accroche {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--caramel);
  font-size: 1.02rem;
  margin-bottom: 0.9rem;
}

.formule > p {
  font-size: 0.95rem;
}

.formule-liste {
  list-style: none;
  margin: 1.1rem 0 1.3rem;
}

.formule-liste li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.92rem;
  color: #4c4c48;
  margin-bottom: 0.5rem;
}

.formule-liste li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--or);
}

/* ---------- La carte (menu) ---------- */

.carte-menu {
  background: var(--chocolat);
  color: var(--creme);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 5vw, 3rem);
  max-width: 620px;
  margin-inline: auto;
  box-shadow: var(--shadow);
}

.carte-menu-logo {
  width: 120px;
  margin: 0 auto 0.4rem;
}

.carte-menu-baseline {
  text-align: center;
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--or);
  margin-bottom: 1.8rem;
}

.carte-menu hr {
  border: none;
  height: 1px;
  background: var(--or);
  width: 64px;
  margin: 0 auto 1.8rem;
}

.carte-menu ul {
  list-style: none;
}

.carte-menu li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0;
}

.carte-menu .nom {
  font-weight: 600;
}

.carte-menu .note-boisson {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: #d9cbb4;
}

.carte-menu .pointille {
  flex: 1;
  border-bottom: 2px dotted rgba(242, 235, 221, 0.45);
  transform: translateY(-4px);
}

.carte-menu .prix {
  font-weight: 600;
  white-space: nowrap;
}

.carte-menu-mention {
  margin-top: 1.6rem;
  font-size: 0.85rem;
  color: #d9cbb4;
  text-align: center;
}

.carte-menu-mention + .carte-menu-mention {
  margin-top: 0.6rem;
}

/* ---------- Galerie ---------- */

.galerie-grille {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

@media (min-width: 700px) {
  .galerie-grille {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
  }
}

.galerie-grille a {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--creme-fonce);
}

/* Toutes les vignettes au même format : la photo est recadrée, jamais déformée */
.galerie-grille img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition);
}

/* Vignette large pour les photos en format paysage */
.galerie-grille a.large {
  grid-column: span 2;
}

.galerie-grille a.large img {
  aspect-ratio: 8 / 5;
}

.galerie-grille a:hover img {
  transform: scale(1.03);
}

/* Lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 24, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 2rem;
}

.lightbox.ouverte {
  display: flex;
}

.lightbox img {
  max-height: 85vh;
  max-width: 100%;
  border-radius: 8px;
}

.lightbox button {
  position: absolute;
  background: none;
  border: none;
  color: var(--creme);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
  line-height: 1;
}

.lightbox .lb-fermer {
  top: 1rem;
  right: 1rem;
}

.lightbox .lb-prec {
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox .lb-suiv {
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- Vidéo ---------- */

.video-cadre {
  max-width: 820px;
  margin-inline: auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-cadre video {
  width: 100%;
  display: block;
}

/* ---------- Zones ---------- */

.zones-grille {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.zone-carte {
  background: var(--blanc);
  border-radius: var(--radius);
  border-top: 4px solid var(--sauge);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow);
}

.zone-carte svg {
  width: 34px;
  height: 34px;
  color: var(--sauge);
  margin-bottom: 0.8rem;
}

.zone-carte h3 {
  margin-bottom: 0.5rem;
}

.zone-carte p {
  font-size: 0.93rem;
  color: #4c4c48;
}

.zone-citation {
  margin: 2.5rem auto 0;
  max-width: 42rem;
  text-align: center;
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--caramel);
}

/* ---------- Appel final ---------- */

.appel-final {
  background: var(--chocolat);
  color: var(--creme);
  text-align: center;
}

.appel-final img {
  width: 140px;
  margin: 0 auto 1.4rem;
}

.appel-final h2 {
  color: var(--blanc);
  margin-bottom: 0.8rem;
}

.appel-final p {
  margin: 0 auto 1.8rem;
  max-width: 34rem;
}

/* ---------- Formulaire de contact ---------- */

.contact-grille {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

@media (min-width: 900px) {
  .contact-grille {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

.formulaire {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.4rem);
  box-shadow: var(--shadow);
}

.champ {
  margin-bottom: 1.2rem;
}

.champ label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--chocolat);
  margin-bottom: 0.35rem;
}

.champ .facultatif {
  font-weight: 400;
  color: #6b6b66;
  font-size: 0.82rem;
}

.champ input,
.champ select,
.champ textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid #d4c6ab;
  border-radius: 10px;
  background: var(--blanc);
  color: var(--charbon);
  transition: border-color var(--transition);
}

.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: 2px solid var(--sauge);
  outline-offset: 1px;
  border-color: var(--sauge);
}

.champ-double {
  display: grid;
  gap: 1.2rem;
}

@media (min-width: 600px) {
  .champ-double {
    grid-template-columns: 1fr 1fr;
  }
}

.champ-rgpd {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.88rem;
  margin-bottom: 1.4rem;
}

.champ-rgpd input {
  margin-top: 0.3rem;
  width: 18px;
  height: 18px;
  accent-color: var(--sauge);
}

.message-confirmation {
  display: none;
  background: #eef2e4;
  border: 1.5px solid var(--sauge);
  color: #3f4a26;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-top: 1.2rem;
}

.message-confirmation.visible,
.message-erreur.visible {
  display: block;
}

.message-erreur {
  display: none;
  background: #f7e8e4;
  border: 1.5px solid #b3542e;
  color: #7c3213;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-top: 1.2rem;
}

/* Champ anti-spam : masqué pour les humains */
.champ-miel {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.coordonnees {
  background: var(--chocolat);
  color: var(--creme);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.2rem);
}

.coordonnees h2 {
  color: var(--blanc);
  font-size: 1.3rem;
  margin-bottom: 1.2rem;
}

.coordonnees ul {
  list-style: none;
}

.coordonnees li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.coordonnees svg {
  flex: none;
  width: 22px;
  height: 22px;
  color: var(--or);
  margin-top: 0.2rem;
}

.coordonnees a {
  color: var(--creme);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--or);
}

.coordonnees a:hover {
  color: var(--blanc);
}

/* ---------- Pages légales / contenu simple ---------- */

.page-contenu {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.page-contenu .conteneur {
  width: min(820px, 92%);
}

.page-contenu h2 {
  margin: 2.2rem 0 0.7rem;
}

.page-contenu p + p {
  margin-top: 0.8rem;
}

.page-contenu ul {
  margin: 0.6rem 0 0.6rem 1.4rem;
}

.a-completer {
  background: #f5e9c8;
  border-radius: 4px;
  padding: 0 0.3rem;
  font-weight: 600;
}

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

.pied {
  background: var(--chocolat);
  color: var(--creme);
  padding: clamp(2.5rem, 6vw, 4rem) 0 1.5rem;
  margin-top: 0;
}

.pied-grille {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 2.5rem;
}

.pied-logo img {
  width: 130px;
}

.pied-logo p {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--or);
  margin-top: 0.7rem;
  font-size: 0.95rem;
}

.pied h3 {
  color: var(--blanc);
  font-size: 1rem;
  margin-bottom: 0.9rem;
}

.pied ul {
  list-style: none;
}

.pied li {
  margin-bottom: 0.5rem;
}

.pied a {
  color: var(--creme);
  text-decoration: none;
  font-size: 0.93rem;
}

.pied a:hover {
  color: var(--or);
}

.pied-bas {
  border-top: 1px solid rgba(242, 235, 221, 0.25);
  padding-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #d9cbb4;
}

.pied-bas a {
  color: #d9cbb4;
  font-size: 0.85rem;
  text-decoration: underline;
}

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

.bouton-devis-flottant {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  z-index: 90;
  background: var(--sauge);
  color: var(--blanc);
  font-weight: 600;
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(26, 26, 24, 0.3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
}

.bouton-devis-flottant.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (min-width: 901px) {
  .bouton-devis-flottant {
    display: none;
  }
}

.retour-haut {
  position: fixed;
  bottom: 1.2rem;
  left: 1.2rem;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--chocolat);
  color: var(--creme);
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(26, 26, 24, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.retour-haut.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- Page 404 ---------- */

.page-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
}

.page-404 .conteneur {
  max-width: 540px;
}

.page-404 img {
  width: 110px;
  margin: 0 auto 1.5rem;
}

.page-404 h1 {
  margin-bottom: 0.8rem;
}

.page-404 p {
  margin-bottom: 1.8rem;
}

/* ---------- Animations d'apparition ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

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

  .btn:hover,
  .carte-presta:hover,
  .galerie-grille a:hover img {
    transform: none;
  }
}