/* ============================================================
   Atelier d'Art Michèle Prud'homme — Saint-Cézaire-sur-Siagne
   Feuille de style principale
   ============================================================ */

:root {
  --papier: #f7f2ea;
  --papier-fonce: #efe7d9;
  --blanc: #ffffff;
  --encre: #2e2822;
  --encre-douce: #5c5248;
  --terracotta: #b75c33;
  --terracotta-fonce: #8f4423;
  --bleu-marine: #24506e;
  --ombre: 0 10px 30px rgba(46, 40, 34, 0.12);
  --ombre-forte: 0 18px 45px rgba(46, 40, 34, 0.2);
  --serif: "Cormorant Garamond", "Georgia", serif;
  --sans: "Jost", "Segoe UI", "Helvetica Neue", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--encre);
  background-color: var(--papier);
  background-image:
    radial-gradient(ellipse at 15% 8%, rgba(183, 92, 51, 0.05), transparent 45%),
    radial-gradient(ellipse at 90% 90%, rgba(36, 80, 110, 0.05), transparent 45%);
}

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

a { color: var(--terracotta); text-decoration: none; }
a:hover { color: var(--terracotta-fonce); }

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

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

/* ---------- En-tête ---------- */

.entete {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 242, 234, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(46, 40, 34, 0.1);
}

.entete-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  color: var(--encre);
}
.logo:hover { color: var(--encre); }

.logo .logo-atelier {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo .logo-nom {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--terracotta);
}

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

.nav-principale a {
  color: var(--encre);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}

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

.nav-tel {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--terracotta);
  color: var(--blanc) !important;
  padding: 0.5rem 1.1rem !important;
  border-radius: 999px;
  border-bottom: none !important;
  white-space: nowrap;
}
.nav-tel:hover { background: var(--terracotta-fonce); }

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

.burger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--encre);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Bandeau rentrée ---------- */

.bandeau-rentree {
  background: linear-gradient(100deg, var(--terracotta), #c97a3d);
  color: var(--blanc);
  text-align: center;
  padding: 0.65rem 1rem;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.bandeau-rentree strong { font-weight: 600; }

.bandeau-rentree a {
  color: var(--blanc);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

/* ---------- Hero ---------- */

.hero { padding: 4.5rem 0 5rem; overflow: hidden; }

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.surtitre {
  display: inline-block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--terracotta);
  margin-bottom: 1.1rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.12;
  margin-bottom: 1.4rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--terracotta);
}

.hero-texte p {
  max-width: 34rem;
  color: var(--encre-douce);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero-image { position: relative; }

.cadre {
  background: var(--blanc);
  padding: 14px;
  box-shadow: var(--ombre-forte);
  border-radius: 4px;
  transform: rotate(1.5deg);
}

.cadre img { border-radius: 2px; }

.cadre-legende {
  position: absolute;
  left: -0.8rem;
  bottom: -1.2rem;
  background: var(--encre);
  color: var(--papier);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 1rem;
  border-radius: 3px;
  transform: rotate(-1.5deg);
  box-shadow: var(--ombre);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-plein {
  background: var(--terracotta);
  color: var(--blanc);
}
.btn-plein:hover { background: var(--terracotta-fonce); color: var(--blanc); }

.btn-contour {
  border-color: var(--encre);
  color: var(--encre);
  background: transparent;
}
.btn-contour:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}

/* ---------- Sections génériques ---------- */

.section { padding: 5rem 0; }

.section-fonce { background: var(--papier-fonce); }

.section-titre { margin-bottom: 3rem; max-width: 46rem; }

.section-titre h2 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.9rem;
}

.section-titre .trait {
  display: block;
  width: 70px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--terracotta), rgba(183, 92, 51, 0.25));
  margin-bottom: 1.2rem;
}

.section-titre p { color: var(--encre-douce); }

/* ---------- Cours ---------- */

.cartes-cours {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-bottom: 3.5rem;
}

.carte-cours {
  background: var(--blanc);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--ombre);
  display: flex;
  flex-direction: column;
}

.carte-cours img {
  aspect-ratio: 3 / 2;
  width: 100%;
  object-fit: cover;
}

.carte-cours img.cadrage-bas { object-position: center 55%; }

.carte-cours-corps { padding: 1.5rem 1.6rem 1.8rem; }

.carte-cours h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.carte-cours p { font-size: 0.98rem; color: var(--encre-douce); }

.sous-titre {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 600;
  margin-bottom: 1.4rem;
}

.horaires {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
  margin-bottom: 3.5rem;
}

.horaire-carte {
  background: var(--blanc);
  border-radius: 10px;
  box-shadow: var(--ombre);
  padding: 1.7rem 1.9rem 1.4rem;
  border-top: 4px solid var(--terracotta);
}

.horaire-entete {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin-bottom: 0.9rem;
}

.horaire-entete h4 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
}

.horaire-prix {
  background: rgba(183, 92, 51, 0.12);
  color: var(--terracotta-fonce);
  padding: 0.3rem 0.95rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
}

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

.horaire-carte li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed rgba(46, 40, 34, 0.18);
}

.horaire-carte li:last-child { border-bottom: none; }

.horaire-jour { font-weight: 500; }

.horaire-heure { color: var(--encre-douce); }

.infos-pratiques {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.info-pratique {
  background: var(--blanc);
  border-radius: 10px;
  padding: 1.5rem 1.4rem;
  box-shadow: var(--ombre);
  border-top: 4px solid var(--terracotta);
}

.info-pratique h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--terracotta);
  margin-bottom: 0.6rem;
}

.info-pratique p { font-size: 0.97rem; }

.info-pratique .a-venir {
  font-size: 0.88rem;
  color: var(--encre-douce);
  font-style: italic;
}

.cours-cta {
  margin-top: 3rem;
  text-align: center;
}

.cours-cta p {
  margin-bottom: 1.2rem;
  color: var(--encre-douce);
}

/* ---------- Galerie (aperçu accueil + page) ---------- */

.grille-apercu {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.grille-apercu a {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--ombre);
  background: var(--blanc);
  padding: 8px;
}

.grille-apercu img {
  border-radius: 4px;
  aspect-ratio: 3 / 4;
  width: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.grille-apercu a:hover img { transform: scale(1.04); }

.galerie-cta { text-align: center; margin-top: 2.6rem; }

/* Page galerie : filtres */

.filtres {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 2.5rem;
}

.filtre {
  border: 2px solid rgba(46, 40, 34, 0.25);
  background: transparent;
  color: var(--encre);
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.filtre.actif {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: var(--blanc);
}

.grille-galerie {
  columns: 4 240px;
  column-gap: 1.2rem;
}

.oeuvre {
  break-inside: avoid;
  margin: 0 0 1.2rem;
  background: var(--blanc);
  padding: 8px 8px 10px;
  border-radius: 8px;
  box-shadow: var(--ombre);
  cursor: zoom-in;
  transition: transform 0.2s ease;
}

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

.oeuvre img { border-radius: 4px; width: 100%; }

.oeuvre figcaption {
  font-size: 0.8rem;
  color: var(--encre-douce);
  padding-top: 0.5rem;
  text-align: center;
  letter-spacing: 0.04em;
}

.oeuvre.masquee { display: none; }

/* ---------- Lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(24, 20, 16, 0.93);
  padding: 2rem;
}

.lightbox.ouverte { display: flex; }

.lightbox img {
  max-width: min(92vw, 1100px);
  max-height: 82vh;
  width: auto;
  border-radius: 4px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  background: var(--blanc);
  padding: 8px;
}

.lightbox-legende {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(247, 242, 234, 0.85);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-align: center;
}

.lightbox button {
  position: absolute;
  background: rgba(247, 242, 234, 0.12);
  border: 1px solid rgba(247, 242, 234, 0.35);
  color: var(--papier);
  font-size: 1.6rem;
  line-height: 1;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.lightbox button:hover { background: rgba(247, 242, 234, 0.28); }

.lightbox-fermer { top: 1.5rem; right: 1.5rem; }
.lightbox-prec { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-suiv { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* ---------- L'artiste ---------- */

.artiste-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.artiste-texte p {
  margin-bottom: 1.2rem;
  color: var(--encre-douce);
}

.artiste-texte p.intro {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--encre);
}

.presse { margin-top: 2.2rem; }

.presse h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--terracotta);
  margin-bottom: 1.1rem;
}

.presse blockquote {
  border-left: 3px solid var(--terracotta);
  padding: 0.15rem 0 0.15rem 1.1rem;
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-style: italic;
}

.presse cite {
  display: block;
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.82rem;
  color: var(--encre-douce);
  margin-top: 0.25rem;
  letter-spacing: 0.06em;
}

/* ---------- Contact ---------- */

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

.contact-cartes {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.contact-carte {
  background: var(--blanc);
  border-radius: 10px;
  padding: 1.5rem 1.7rem;
  box-shadow: var(--ombre);
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}

.contact-icone {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(183, 92, 51, 0.12);
  color: var(--terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-carte h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--encre-douce);
  margin-bottom: 0.2rem;
}

.contact-carte a.gros,
.contact-carte p.gros {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--encre);
  word-break: break-word;
}

.contact-carte a.gros:hover { color: var(--terracotta); }

.contact-carte .note {
  font-size: 0.88rem;
  color: var(--encre-douce);
}

.contact-carte-map {
  flex-direction: column;
}

.carte-map {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--ombre);
  min-height: 380px;
  background: var(--papier-fonce);
}

.carte-map iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
  display: block;
}

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

.pied {
  background: var(--encre);
  color: rgba(247, 242, 234, 0.8);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
}

.pied-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  align-items: flex-start;
}

.pied .logo-atelier {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--papier);
  display: block;
}

.pied .logo-nom {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--terracotta);
}

.pied nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}

.pied a { color: rgba(247, 242, 234, 0.8); }
.pied a:hover { color: var(--papier); }

.pied-mentions {
  width: 100%;
  border-top: 1px solid rgba(247, 242, 234, 0.15);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(247, 242, 234, 0.55);
}

/* ---------- En-tête de page interne ---------- */

.page-banniere {
  padding: 3.5rem 0 2.5rem;
}

.page-banniere h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.page-banniere p { color: var(--encre-douce); max-width: 42rem; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-image { max-width: 480px; margin-inline: auto; }
  .cartes-cours { grid-template-columns: 1fr 1fr; }
  .infos-pratiques { grid-template-columns: 1fr 1fr; }
  .grille-apercu { grid-template-columns: repeat(2, 1fr); }
  .artiste-inner { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .burger { display: block; }

  .nav-principale {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--papier);
    border-bottom: 1px solid rgba(46, 40, 34, 0.12);
    box-shadow: var(--ombre);
    display: none;
  }

  .nav-principale.ouverte { display: block; }

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

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

  .nav-principale a {
    display: block;
    padding: 0.85rem 6%;
    border-bottom: none;
  }

  /* Le numero reste dans la barre du haut sur ordinateur,
     mais pas dans le menu deroulant mobile (peu conventionnel).
     Selecteur double pour passer devant `.nav-principale a`. */
  .nav-principale .nav-tel { display: none; }

  .burger.ouvert span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .burger.ouvert span:nth-child(2) { opacity: 0; }
  .burger.ouvert span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .section { padding: 3.5rem 0; }
  .hero { padding: 3rem 0 3.5rem; }
  .cartes-cours { grid-template-columns: 1fr; }
  .horaires { grid-template-columns: 1fr; }
  .infos-pratiques { grid-template-columns: 1fr; }
  .lightbox-prec { left: 0.6rem; }
  .lightbox-suiv { right: 0.6rem; }
}

@media (max-width: 520px) {
  .grille-apercu { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}