/* AC Music — feuille de style unique.
   Design « le salon, le soir » : bureau sombre bleu encre, feuilles de papier
   sous la lampe, accents laiton. Thème clair = même bureau, en journée. */

:root {
  --desk: #151a22;
  --desk-soft: #1d2430;
  --paper: #f4f0e5;
  --text: #e8e4d8;
  --muted: #9aa0ad;
  --brass: #c08a3e;
  --brass-ink: #171207;
  --lamp: rgba(226, 190, 120, .13);
  --line: rgba(232, 228, 216, .12);
  --card-line: rgba(232, 228, 216, .08);
  --shadow-sheet: 0 18px 50px rgba(0, 0, 0, .55);
  --shadow-doc: 0 8px 22px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

[data-theme="light"] {
  --desk: #f2efe6;
  --desk-soft: #faf8f1;
  --paper: #ffffff;
  --text: #20242c;
  --muted: #5c6270;
  --brass: #8a5f24;
  --brass-ink: #ffffff;
  --lamp: rgba(192, 138, 62, .10);
  --line: rgba(32, 36, 44, .14);
  --card-line: rgba(32, 36, 44, .10);
  --shadow-sheet: 0 14px 36px rgba(32, 36, 44, .18);
  --shadow-doc: 0 6px 16px rgba(32, 36, 44, .14);
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --desk: #f2efe6;
    --desk-soft: #faf8f1;
    --paper: #ffffff;
    --text: #20242c;
    --muted: #5c6270;
    --brass: #8a5f24;
    --brass-ink: #ffffff;
    --lamp: rgba(192, 138, 62, .10);
    --line: rgba(32, 36, 44, .14);
    --card-line: rgba(32, 36, 44, .10);
    --shadow-sheet: 0 14px 36px rgba(32, 36, 44, .18);
    --shadow-doc: 0 6px 16px rgba(32, 36, 44, .14);
    color-scheme: light;
  }
}

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

body {
  background: var(--desk);
  color: var(--text);
  font-family: "Instrument Sans", system-ui, sans-serif;
  line-height: 1.6;
  font-size: 1rem;
}

.wrap { max-width: 70rem; margin: 0 auto; padding: 0 2rem; }

a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
}
h1 em, h2 em { color: var(--brass); }

.kicker {
  color: var(--brass);
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-weight: 600;
}

/* ---------- header ---------- */
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1.4rem; padding-bottom: 1.4rem; gap: 1.5rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand img { border-radius: 50%; filter: invert(1) brightness(.92); }
[data-theme="light"] .brand img { filter: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .brand img { filter: none; }
}
.brand span { font-size: 1.15rem; letter-spacing: .02em; }
.brand i { color: var(--brass); font-style: normal; }
.site-header nav { display: flex; gap: 1.6rem; align-items: center; font-size: .95rem; flex-wrap: wrap; }
.site-header nav a { text-decoration: none; color: var(--muted); }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--text); }
.theme-toggle {
  background: none; border: 1px solid var(--line); color: var(--muted);
  border-radius: 50%; width: 2rem; height: 2rem; cursor: pointer;
  font-size: 1rem; line-height: 1;
}
.theme-toggle:hover { color: var(--text); border-color: var(--brass); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 5.5rem 0 6rem; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto;
  height: 130%;
  background: radial-gradient(ellipse 55% 60% at 62% 20%, var(--lamp), transparent 70%);
  pointer-events: none;
}
.hero .wrap {
  position: relative;
  display: grid; grid-template-columns: 1.1fr .9fr;
  gap: 4rem; align-items: center;
}
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.3rem); line-height: 1.12; margin-top: 1.4rem; }
.lede { color: var(--muted); font-size: 1.15rem; max-width: 34rem; margin-top: 1.6rem; }
.lede a { color: var(--text); }
.lede strong { color: var(--text); font-weight: 500; }

.hero-page { padding: 4rem 0 3rem; }
.hero-page .wrap { display: block; }
.hero-page h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }

.cta-row { margin-top: 2.2rem; display: flex; gap: 1.6rem; align-items: center; flex-wrap: wrap; }
.cta {
  background: var(--brass); color: var(--brass-ink); text-decoration: none;
  font-weight: 600; padding: .85rem 1.5rem; border-radius: 4px;
  border: none; font-size: 1rem; font-family: inherit; cursor: pointer;
}
.cta:hover { filter: brightness(1.08); }
.cta-alt { color: var(--muted); }
.cta-alt:hover { color: var(--text); }

/* les feuilles posées sur le bureau */
.desk-sheets { position: relative; height: 420px; }
.desk-sheets img {
  position: absolute; width: 62%; height: auto; background: var(--paper);
  box-shadow: var(--shadow-sheet);
  border-radius: 2px;
}
.desk-sheets img:nth-child(1) { top: 4%; left: 0; transform: rotate(-4.5deg); }
.desk-sheets img:nth-child(2) { top: 16%; left: 34%; transform: rotate(2.5deg); }
.desk-sheets img:nth-child(3) { top: 44%; left: 12%; transform: rotate(-1deg); }

/* ---------- sections ---------- */
section { padding: 4.5rem 0; }
.rule { border-top: 1px solid var(--line); }
h2 { font-size: 2rem; }
.section-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 2.2rem; flex-wrap: wrap; gap: 1rem;
}
.section-head .note { color: var(--muted); font-size: .95rem; max-width: 34rem; }

/* cartes (cours, liens) */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.card {
  background: var(--desk-soft); border: 1px solid var(--card-line);
  border-radius: 6px; padding: 2.2rem 2.4rem; text-decoration: none; display: block;
}
a.card:hover { border-color: var(--brass); }
.card h3 { font-size: 1.6rem; }
.card p { color: var(--muted); margin-top: .8rem; }
.card .go { color: var(--brass); display: inline-block; margin-top: 1.2rem; font-size: .95rem; }

/* points « à la carte » (accueil) */
.points {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem 2.5rem;
}
.point { border-top: 1px solid var(--line); padding-top: 1.2rem; }
.point h3 { font-size: 1.25rem; }
.point p { color: var(--muted); font-size: .95rem; margin-top: .5rem; }

/* grille de documents (papier musique, supports) */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1.5rem; }
.doc { text-decoration: none; }
.doc figure { margin: 0; }
.doc img {
  width: 100%; height: auto; aspect-ratio: 210/297; object-fit: cover; object-position: top;
  background: var(--paper); border-radius: 2px; display: block;
  box-shadow: var(--shadow-doc);
  transition: transform .18s ease;
}
/* supports de cours : images carrées d'origine, pas de recadrage */
.grid-sq .doc img { aspect-ratio: 1; object-position: center; }
.doc:hover img { transform: translateY(-4px) rotate(-.6deg); }
.doc figcaption { margin-top: .8rem; font-size: .92rem; color: var(--muted); }
.doc figcaption b { display: block; color: var(--text); font-weight: 500; }
.doc figcaption span { display: block; }

/* catégories de supports (accueil) */
.support-cat { margin-top: 3rem; }
.support-cat h3 { font-size: 1.25rem; }
.support-cat h3 .count {
  color: var(--brass); font-size: .85rem; font-weight: 500;
  margin-left: .6rem; letter-spacing: .02em;
}
.support-cat .cat-note {
  color: var(--muted); font-size: .95rem; margin: .4rem 0 1.4rem; max-width: 44rem;
}

/* ---------- page papier musique ---------- */
.pm-filtres {
  display: flex; flex-wrap: wrap; gap: .7rem;
  padding-bottom: .5rem;
}
.pm-filtres a {
  text-decoration: none; color: var(--muted); font-size: .92rem;
  border: 1px solid var(--line); border-radius: 999px; padding: .35rem 1rem;
}
.pm-filtres a:hover { color: var(--text); border-color: var(--brass); }
.pm-cat { padding: 3rem 0 1rem; }
.pm-cat h2 { font-size: 1.7rem; }

/* ---------- pages cours ---------- */
.prose { max-width: 44rem; }
.prose p + p { margin-top: 1rem; }
.prose ul { margin: 1rem 0 0 1.2rem; padding: 0; color: var(--muted); }
.prose ul li { margin: .45rem 0; }
.prose ul li::marker { color: var(--brass); }

.programme { columns: 2; column-gap: 3rem; color: var(--muted); margin: 0; padding-left: 1.2rem; }
.programme li { margin: .45rem 0; break-inside: avoid; }
.programme li::marker { color: var(--brass); }

details.repertoire {
  border: 1px solid var(--card-line); border-radius: 6px;
  background: var(--desk-soft); padding: 1.2rem 1.6rem; margin-top: 1.5rem;
}
details.repertoire summary {
  cursor: pointer; font-weight: 500; color: var(--text);
}
details.repertoire summary:hover { color: var(--brass); }
details.repertoire ul {
  columns: 3; column-gap: 2.5rem; list-style: none;
  margin: 1.4rem 0 0; padding: 0; color: var(--muted); font-size: .95rem;
}
details.repertoire li { margin: .3rem 0; break-inside: avoid; }
details.repertoire li i { color: var(--muted); font-style: normal; opacity: .75; }

/* ---------- tarifs ---------- */
.tarif-table { width: 100%; border-collapse: collapse; }
.tarif-table th, .tarif-table td {
  text-align: left; padding: .9rem .6rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.tarif-table th {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); font-weight: 600;
}
.tarif-table td:last-child { color: var(--brass); white-space: nowrap; font-weight: 600; }
.tarif-table td:nth-child(2) { color: var(--muted); }

/* ---------- formulaire de contact ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; max-width: 44rem; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: .9rem; color: var(--muted); margin-bottom: .4rem; }
.field input, .field textarea {
  width: 100%; background: var(--desk-soft); color: var(--text);
  border: 1px solid var(--line); border-radius: 4px;
  padding: .75rem .9rem; font: inherit;
}
.field input:hover, .field textarea:hover { border-color: var(--muted); }
.field textarea { min-height: 9rem; resize: vertical; }
.form-note { color: var(--muted); font-size: .88rem; margin-top: 1rem; max-width: 44rem; }
.form-status { margin-top: 1.2rem; font-weight: 500; }
.form-status.err { color: #d98f7e; }
.form-status.ok { color: #9ec98f; }
[data-theme="light"] .form-status.err { color: #a33f28; }
[data-theme="light"] .form-status.ok { color: #3d7a2a; }
/* champ pot de miel : hors écran, ignoré des humains */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.4rem 0 3.2rem; color: var(--muted); font-size: .95rem;
}
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.site-footer nav { display: flex; gap: 1.6rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 820px) {
  .wrap { padding: 0 1.25rem; }
  .hero { padding: 3.5rem 0 4rem; }
  .hero .wrap { grid-template-columns: 1fr; gap: 3rem; }
  .desk-sheets { height: 320px; max-width: 420px; }
  .duo, .form-grid { grid-template-columns: 1fr; }
  .programme { columns: 1; }
  details.repertoire ul { columns: 2; }
}
@media (max-width: 480px) {
  details.repertoire ul { columns: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .doc img { transition: none; }
  .doc:hover img { transform: none; }
}

@media print {
  .site-header, .site-footer, .cta-row, .pm-filtres, .theme-toggle { display: none; }
  body { background: #fff; color: #000; }
}