/* ============================================================================
   Feuille de style — Site du Professeur DRION
   Palette : ivoire / noir profond / or (rappel touches de piano)
   ========================================================================== */

:root {
  --noir: #14110f;
  --noir-doux: #211d1a;
  --ivoire: #f6f1e7;
  --ivoire-doux: #efe8da;
  --or: #c9a24b;
  --or-clair: #e2c583;
  --gris: #8a8178;
  --ombre: 0 10px 40px rgba(0, 0, 0, 0.18);
  --serif: "Cormorant Garamond", "Georgia", "Times New Roman", serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--noir);
  background: var(--ivoire);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif { font-family: var(--serif); font-weight: 600; line-height: 1.15; }

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

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

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

/* ---------- En-tête / navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20, 17, 15, 0.92);
  backdrop-filter: blur(8px);
  color: var(--ivoire);
  border-bottom: 1px solid rgba(201, 162, 75, 0.25);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand { font-family: var(--serif); font-size: 1.5rem; letter-spacing: 0.5px; }
.brand .gold { color: var(--or-clair); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 0.95rem; letter-spacing: 0.4px; color: var(--ivoire);
  padding-bottom: 4px; border-bottom: 2px solid transparent; transition: 0.2s;
}
.nav-links a:hover, .nav-links a.actif { border-color: var(--or); color: var(--or-clair); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-select {
  background: transparent; color: var(--ivoire);
  border: 1px solid rgba(201, 162, 75, 0.45); border-radius: 2px;
  padding: 7px 10px; font-family: var(--sans); font-size: 0.85rem; cursor: pointer;
}
.lang-select:hover { border-color: var(--or); }
.lang-select option { color: #14110f; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ivoire); font-size: 1.6rem; cursor: pointer; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; cursor: pointer; border: 0;
  font-family: var(--sans); font-size: 0.95rem; font-weight: 600; letter-spacing: 0.5px;
  padding: 14px 30px; border-radius: 2px; transition: 0.2s; text-align: center;
}
.btn-or { background: var(--or); color: var(--noir); }
.btn-or:hover { background: var(--or-clair); transform: translateY(-2px); }
.btn-ligne { background: transparent; color: var(--ivoire); border: 1px solid var(--or); }
.btn-ligne:hover { background: var(--or); color: var(--noir); }

/* ---------- Hero (accueil) ---------- */
.hero {
  position: relative; min-height: 82vh; display: flex; align-items: center;
  color: var(--ivoire); text-align: center;
  background: linear-gradient(rgba(20,17,15,0.62), rgba(20,17,15,0.72)),
              var(--hero-img, #1a1613) center/cover no-repeat;
}
.hero-inner { width: min(760px, 90%); margin-inline: auto; padding: 60px 0; }
.hero .eyebrow { letter-spacing: 4px; text-transform: uppercase; font-size: 0.8rem; color: var(--or-clair); margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); margin-bottom: 20px; }
.hero p { font-size: 1.15rem; color: var(--ivoire-doux); margin-bottom: 34px; }
.hero .btn-groupe { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 90px 0; }
.section-titre { text-align: center; margin-bottom: 56px; }
.section-titre .eyebrow { letter-spacing: 4px; text-transform: uppercase; font-size: 0.78rem; color: var(--or); }
.section-titre h2 { font-size: clamp(2rem, 4vw, 2.9rem); margin-top: 10px; }
.section-titre p { color: var(--gris); max-width: 620px; margin: 14px auto 0; }

.bg-noir { background: var(--noir); color: var(--ivoire); }
.bg-noir .section-titre p { color: #b8ac9c; }

/* ---------- Bio / présentation ---------- */
.bio { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.bio-photo {
  aspect-ratio: 4/5; background: var(--noir-doux) center/cover no-repeat;
  border-radius: 4px; box-shadow: var(--ombre); border: 1px solid rgba(201,162,75,0.3);
}
.bio h2 { font-size: 2.4rem; margin-bottom: 20px; }
.bio p { margin-bottom: 16px; color: #4a423a; }
.bio .chiffres { display: flex; gap: 40px; margin-top: 30px; }
.bio .chiffre b { font-family: var(--serif); font-size: 2.4rem; color: var(--or); display: block; }
.bio .chiffre span { font-size: 0.9rem; color: var(--gris); }

/* ---------- Galerie concerts ---------- */
.galerie { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.galerie figure {
  position: relative; aspect-ratio: 3/2; overflow: hidden; border-radius: 4px;
  background: var(--noir-doux) center/cover no-repeat;
}
.galerie figure::after {
  content: attr(data-legende); position: absolute; inset: auto 0 0 0;
  padding: 14px; font-size: 0.85rem; color: var(--ivoire);
  background: linear-gradient(transparent, rgba(0,0,0,0.75)); opacity: 0; transition: 0.25s;
}
.galerie figure:hover::after { opacity: 1; }
.galerie .grande { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }

/* ---------- Cartes partitions (catalogue) ---------- */
.grille-partitions { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 30px; }
.carte {
  background: #fff; border-radius: 6px; overflow: hidden; box-shadow: var(--ombre);
  transition: 0.25s; display: flex; flex-direction: column; border: 1px solid #e7dfd0;
}
.carte:hover { transform: translateY(-6px); box-shadow: 0 18px 50px rgba(0,0,0,0.22); }
.carte-img { aspect-ratio: 3/4; background: var(--ivoire-doux) center/cover no-repeat; position: relative; }
.carte-niveau {
  position: absolute; top: 12px; left: 12px; font-size: 0.72rem; letter-spacing: 0.5px;
  text-transform: uppercase; background: var(--noir); color: var(--or-clair); padding: 5px 12px; border-radius: 2px;
}
.carte-corps { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.carte-corps h3 { font-size: 1.5rem; margin-bottom: 4px; }
.carte-compositeur { font-size: 0.85rem; color: var(--gris); margin-bottom: 12px; }
.carte-resume { font-size: 0.92rem; color: #5a5148; flex: 1; margin-bottom: 18px; }
.carte-pied { display: flex; align-items: center; justify-content: space-between; }
.carte-prix { font-family: var(--serif); font-size: 1.6rem; color: var(--noir); }
.carte-lien { font-size: 0.9rem; color: var(--or); font-weight: 600; }
.carte:hover .carte-lien { color: var(--noir); }

/* ---------- Fiche produit ---------- */
.fiche { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.fiche-media { aspect-ratio: 3/4; background: var(--ivoire-doux) center/cover no-repeat; border-radius: 6px; box-shadow: var(--ombre); border: 1px solid #e7dfd0; }
.fiche-info .fil { font-size: 0.85rem; color: var(--gris); margin-bottom: 20px; }
.fiche-info .fil a:hover { color: var(--or); }
.fiche-info h1 { font-size: clamp(2.2rem, 4vw, 3rem); margin-bottom: 8px; }
.fiche-compositeur { font-size: 1.05rem; color: var(--gris); margin-bottom: 24px; }
.fiche-meta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.fiche-meta span { font-size: 0.85rem; background: var(--ivoire-doux); border: 1px solid #e0d7c6; padding: 7px 14px; border-radius: 2px; color: #5a5148; }
.fiche-prix { font-family: var(--serif); font-size: 2.6rem; color: var(--noir); margin-bottom: 8px; }
.fiche-tva { font-size: 0.82rem; color: var(--gris); margin-bottom: 28px; }
.fiche-desc { color: #4a423a; margin-bottom: 30px; }
.fiche-desc p { margin-bottom: 14px; }
.fiche-achat .btn { width: 100%; font-size: 1.05rem; padding: 16px; }
.fiche-note { font-size: 0.82rem; color: var(--gris); margin-top: 14px; text-align: center; }
.avertissement { background: #fff6e0; border: 1px solid var(--or-clair); color: #6b5a2a; padding: 14px 18px; border-radius: 4px; font-size: 0.9rem; margin-bottom: 20px; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--noir); color: #b8ac9c; padding: 60px 0 30px; }
.footer-haut { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; margin-bottom: 40px; }
.site-footer .brand { color: var(--ivoire); margin-bottom: 12px; }
.site-footer a:hover { color: var(--or-clair); }
.footer-liens { display: flex; gap: 40px; }
.footer-col h4 { color: var(--ivoire); font-size: 0.95rem; margin-bottom: 14px; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-bas { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; font-size: 0.82rem; text-align: center; }

/* ---------- États vides / messages ---------- */
.vide { text-align: center; padding: 80px 20px; color: var(--gris); }

/* ---------- Pages légales ---------- */
.legal { max-width: 780px; margin: 0 auto; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 8px; }
.legal .maj { color: var(--gris); font-size: 0.9rem; margin-bottom: 28px; }
.legal h2 { font-size: 1.35rem; margin: 34px 0 12px; }
.legal p, .legal li { color: #4a423a; margin-bottom: 12px; }
.legal ul { padding-left: 22px; margin-bottom: 12px; }
.legal a { color: var(--or); }
.legal a:hover { text-decoration: underline; }
.legal-avert {
  background: #fff6e0; border: 1px solid var(--or-clair); color: #6b5a2a;
  padding: 16px 18px; border-radius: 6px; margin-bottom: 28px; font-size: 0.92rem;
}
.legal .placeholder {
  background: #fdeaea; color: #b3261e; padding: 1px 7px; border-radius: 3px;
  font-size: 0.92em; font-weight: 600;
}

/* Liens légaux dans le pied de page */
.footer-legal { margin-bottom: 14px; }
.footer-legal a { color: #b8ac9c; font-size: 0.85rem; }
.footer-legal a:hover { color: var(--or-clair); }
.footer-legal .sep { color: rgba(255,255,255,0.25); margin: 0 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links {
    position: absolute; top: 100%; right: 0; left: 0; flex-direction: column; gap: 0;
    background: var(--noir); padding: 10px 5%; display: none;
  }
  .nav-links.ouvert { display: flex; }
  .nav-links li { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav-toggle { display: block; }
  .bio, .fiche { grid-template-columns: 1fr; gap: 36px; }
  .galerie { grid-template-columns: repeat(2, 1fr); }
  .galerie .grande { grid-column: span 2; grid-row: auto; }
  section { padding: 60px 0; }
}
@media (max-width: 520px) {
  .galerie { grid-template-columns: 1fr; }
  .bio .chiffres { gap: 24px; }
}