/* ============================================================
   L'ATELIER LÉONART — styles.css
   Version 1.0 — Mai 2026
   Un seul fichier CSS pour tout le site.
   ============================================================ */

/* ------------------------------------------------------------
   IMPORTS GOOGLE FONTS
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&family=Jost:wght@300;400;500&display=swap');

/* ------------------------------------------------------------
   VARIABLES — CHARTE GRAPHIQUE
   Modifier ici pour changer l'ensemble du site.
   ------------------------------------------------------------ */
:root {
  /* Couleurs principales */
  --couleur-fond:           #F5F0E8;
  --couleur-fond-alt:       #FDFAF6;
  --couleur-fond-sombre:    #2A2420;
  --couleur-brun:           #2A2420;
  --couleur-terracotta:     #B8692A;
  --couleur-terracotta-clair: #D4904A;
  --couleur-gris-brun:      #6B5E52;
  --couleur-bordure:        #D9D0C0;
  --couleur-vert-foret:     #2C3E35;
  --couleur-creme:          #FDFAF6;

  /* Typographies */
  --font-titre:   'Cormorant Garamond', Georgia, serif;
  --font-corps:   'Jost', system-ui, sans-serif;

  /* Taille de base */
  --taille-base: 20px;

  /* Espacements */
  --section-padding:    80px 48px;
  --section-padding-sm: 56px 24px;
  --nav-hauteur:        84px;

  /* Bordures */
  --rayon:    4px;
  --rayon-md: 8px;

  /* Transitions */
  --transition: 0.25s ease;
}

/* ------------------------------------------------------------
   RESET & BASE
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--taille-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-corps);
  font-weight: 300;
  color: var(--couleur-brun);
  background: var(--couleur-fond);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

/* ------------------------------------------------------------
   NAVIGATION
   ------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-hauteur);
  background: var(--couleur-fond);
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--couleur-bordure);
  box-shadow: 0 2px 24px rgba(42,36,32,0.06);
}

.nav-logo img {
  height: 64px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-corps);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--couleur-brun);
  transition: color var(--transition);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--couleur-terracotta);
  border-bottom-color: var(--couleur-terracotta);
}

.nav-cta {
  background: var(--couleur-terracotta);
  color: var(--couleur-creme) !important;
  padding: 9px 22px !important;
  border-bottom: none !important;
  border-radius: var(--rayon);
  letter-spacing: 0.08em !important;
  transition: background var(--transition) !important;
}

.nav-cta:hover {
  background: var(--couleur-terracotta-clair) !important;
  color: var(--couleur-creme) !important;
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--couleur-brun);
  transition: var(--transition);
}

/* ------------------------------------------------------------
   HERO
   ------------------------------------------------------------ */
.hero {
  min-height: 100vh;
  background: var(--couleur-fond-sombre);
  display: grid;
  grid-template-columns: 1fr 420px;
  align-items: center;
  padding: calc(var(--nav-hauteur) + 48px) 48px 64px;
  gap: 48px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(184,105,42,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-tag {
  font-family: var(--font-corps);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--couleur-terracotta);
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-titre);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.08;
  color: var(--couleur-fond);
  margin-bottom: 10px;
}

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

.hero-sub {
  font-family: var(--font-titre);
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 300;
  color: rgba(245,240,232,0.55);
  margin-bottom: 36px;
  line-height: 1.55;
  max-width: 480px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  font-family: var(--font-corps);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--rayon);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}

.btn-primaire {
  background: var(--couleur-terracotta);
  color: var(--couleur-creme);
  border-color: var(--couleur-terracotta);
}

.btn-primaire:hover {
  background: var(--couleur-terracotta-clair);
  border-color: var(--couleur-terracotta-clair);
}

.btn-secondaire {
  background: transparent;
  color: var(--couleur-fond);
  border-color: rgba(245,240,232,0.3);
}

.btn-secondaire:hover {
  border-color: rgba(245,240,232,0.7);
}

.hero-visuel {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
}

.hero-visuel img {
  max-height: 480px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.3));
}

/* ------------------------------------------------------------
   SECTIONS GÉNÉRIQUES
   ------------------------------------------------------------ */
.section {
  padding: var(--section-padding);
}

.section-alt {
  background: var(--couleur-fond-alt);
  padding: var(--section-padding);
}

.section-sombre {
  background: var(--couleur-fond-sombre);
  padding: var(--section-padding);
}

.section-label {
  font-family: var(--font-corps);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--couleur-terracotta);
  margin-bottom: 10px;
}

.section-sombre .section-label {
  color: var(--couleur-terracotta-clair);
}

.section-titre {
  font-family: var(--font-titre);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.12;
  color: var(--couleur-brun);
  margin-bottom: 16px;
}

.section-titre em {
  font-style: italic;
  color: var(--couleur-terracotta);
}

.section-sombre .section-titre {
  color: var(--couleur-fond);
}

.section-sombre .section-titre em {
  color: var(--couleur-terracotta-clair);
}

.section-intro {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--couleur-gris-brun);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 48px;
}

.section-sombre .section-intro {
  color: rgba(245,240,232,0.6);
}

/* ------------------------------------------------------------
   DISCIPLINES — CARDS
   ------------------------------------------------------------ */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.disc-card {
  background: var(--couleur-fond-alt);
  border: 0.5px solid var(--couleur-bordure);
  border-top: 3px solid var(--couleur-terracotta);
  border-radius: var(--rayon-md);
  padding: 24px 20px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.disc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(42,36,32,0.08);
}

.disc-card .artiste {
  font-family: var(--font-corps);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--couleur-terracotta);
  margin-bottom: 8px;
}

.disc-card h3 {
  font-family: var(--font-titre);
  font-size: 1.3rem;
  font-weight: 400;
  font-style: italic;
  color: var(--couleur-brun);
  margin-bottom: 10px;
  line-height: 1.2;
}

.disc-card p {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--couleur-gris-brun);
  line-height: 1.65;
}

/* ------------------------------------------------------------
   CITATION / BLOCKQUOTE
   ------------------------------------------------------------ */
.citation {
  border-left: 3px solid var(--couleur-terracotta);
  padding: 8px 0 8px 24px;
  margin: 32px 0;
}

.citation p {
  font-family: var(--font-titre);
  font-size: 1.45rem;
  font-style: italic;
  font-weight: 300;
  color: var(--couleur-fond);
  line-height: 1.5;
}

/* ------------------------------------------------------------
   ÉQUIPE — CARDS
   ------------------------------------------------------------ */
.equipe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.artiste-card {
  background: var(--couleur-fond-alt);
  border: 0.5px solid var(--couleur-bordure);
  border-radius: var(--rayon-md);
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
}

.artiste-initiales {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--couleur-terracotta);
  color: var(--couleur-creme);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-titre);
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 300;
  flex-shrink: 0;
}

.artiste-info .role {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--couleur-terracotta);
  margin-bottom: 4px;
}

.artiste-info h3 {
  font-family: var(--font-titre);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--couleur-brun);
  margin-bottom: 8px;
}

.artiste-info p {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--couleur-gris-brun);
  line-height: 1.65;
}

/* ------------------------------------------------------------
   AGENDA / CALENDRIER
   ------------------------------------------------------------ */
.agenda-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.agenda-card {
  background: var(--couleur-fond-alt);
  border: 0.5px solid var(--couleur-bordure);
  border-radius: var(--rayon-md);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: transform var(--transition);
}

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

.agenda-date {
  flex-shrink: 0;
  width: 48px;
  text-align: center;
}

.agenda-date .jour {
  font-family: var(--font-titre);
  font-size: 2rem;
  font-weight: 300;
  color: var(--couleur-terracotta);
  line-height: 1;
}

.agenda-date .mois {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--couleur-gris-brun);
}

.agenda-info h4 {
  font-family: var(--font-titre);
  font-size: 1rem;
  font-weight: 400;
  color: var(--couleur-brun);
  margin-bottom: 4px;
}

.agenda-info p {
  font-size: 0.78rem;
  color: var(--couleur-gris-brun);
  font-weight: 300;
}

/* ------------------------------------------------------------
   FORMULAIRE DE CONTACT
   ------------------------------------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--couleur-gris-brun);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--couleur-fond-alt);
  border: 1px solid var(--couleur-bordure);
  border-radius: var(--rayon);
  padding: 12px 16px;
  font-family: var(--font-corps);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--couleur-brun);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--couleur-terracotta);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-message {
  padding: 12px 16px;
  border-radius: var(--rayon);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.form-message.success {
  background: #EAF3DE;
  color: #3B6D11;
  border: 1px solid #C0DD97;
  display: block;
}

.form-message.error {
  background: #FCEBEB;
  color: #A32D2D;
  border: 1px solid #F09595;
  display: block;
}

/* ------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------ */
.footer {
  background: var(--couleur-fond-sombre);
  padding: 56px 48px 32px;
  color: rgba(245,240,232,0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(245,240,232,0.5);
  max-width: 280px;
}

.footer-titre {
  font-family: var(--font-corps);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--couleur-terracotta-clair);
  margin-bottom: 16px;
}

.footer-liens {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-liens a {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(245,240,232,0.5);
  transition: color var(--transition);
}

.footer-liens a:hover {
  color: var(--couleur-fond);
}

.footer-contact p {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(245,240,232,0.5);
  line-height: 1.8;
}

.footer-contact a:hover {
  color: var(--couleur-fond);
}

.footer-bas {
  border-top: 1px solid rgba(245,240,232,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(245,240,232,0.3);
}

.footer-sociaux {
  display: flex;
  gap: 20px;
}

.footer-sociaux a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.4);
  transition: color var(--transition);
}

.footer-sociaux a:hover {
  color: var(--couleur-terracotta-clair);
}

/* ------------------------------------------------------------
   ANIMATIONS AU SCROLL
   ------------------------------------------------------------ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ------------------------------------------------------------
   RESPONSIVE — TABLETTE (≤ 900px)
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  :root {
    --section-padding: 56px 32px;
    --nav-hauteur: 64px;
  }

  .nav {
    padding: 0 24px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: calc(var(--nav-hauteur) + 32px) 32px 48px;
    text-align: center;
    min-height: auto;
    padding-bottom: 56px;
  }

  .hero h1 { font-size: 2.8rem; }

  .hero-sub { margin: 0 auto 32px; }

  .hero-btns { justify-content: center; }

  .hero-visuel { display: none; }

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

  .equipe-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ------------------------------------------------------------
   RESPONSIVE — MOBILE (≤ 650px)
   ------------------------------------------------------------ */
@media (max-width: 650px) {
  :root {
    --section-padding: 48px 20px;
    --nav-hauteur: 60px;
  }

  .nav {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--nav-hauteur);
    left: 0;
    right: 0;
    background: var(--couleur-fond);
    padding: 24px 20px;
    border-bottom: 1px solid var(--couleur-bordure);
    gap: 20px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-burger {
    display: flex;
  }

  .hero {
    padding: calc(var(--nav-hauteur) + 24px) 20px 40px;
  }

  .hero h1 { font-size: 2.2rem; }

  .disciplines-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bas {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer {
    padding: 40px 20px 24px;
  }

  .agenda-grid {
    grid-template-columns: 1fr;
  }
}

/* ------------------------------------------------------------
   UTILITAIRES
   ------------------------------------------------------------ */
.text-centre { text-align: center; }
.text-centre .section-intro { margin-left: auto; margin-right: auto; }

.separateur {
  width: 48px;
  height: 2px;
  background: var(--couleur-terracotta);
  margin: 24px 0;
}

.separateur-centre {
  margin-left: auto;
  margin-right: auto;
}

.tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(184,105,42,0.12);
  color: var(--couleur-terracotta);
}
</style>