:root {
  --ink: #111;
  --muted: #6b6b6b;
  --line: #e4e2dd;
  --paper: #faf9f6;
  --eco: #3f7d3a;
  --eco-bg: #eef5ec;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
}

/* Barre du haut : langues + PDF */
.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.langs { display: flex; gap: 4px; }
.langs a, .langs strong {
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--ink);
}
.langs strong { background: var(--ink); color: var(--paper); }
.langs a:hover { background: var(--line); }
.dl {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.dl:hover { background: #333; }
.actions { display: flex; align-items: center; gap: 8px; }
.listen {
  padding: 7px 13px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.listen:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 420px) {
  .bar { padding: 10px 12px; }
  .listen, .dl { padding-left: 10px; padding-right: 10px; font-size: 13px; }
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 80px;
}

/* Couverture */
.cover { text-align: center; margin-bottom: 40px; }
.kicker { margin: 0 0 12px; font-weight: 700; font-size: 18px; }
.cover h1 { margin: 0; }
.cover h1 img { width: min(560px, 100%); height: auto; display: block; margin: 0 auto; }
.updated { margin: 16px 0 0; font-size: 14px; color: var(--muted); }

/* Sections numérotées comme sur le rider papier */
.rider { counter-reset: section; }
h2 {
  margin: 40px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 21px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  break-after: avoid;
}
.rider h2::before {
  counter-increment: section;
  content: counter(section) ". ";
}

.tech-title {
  margin: 64px 0 24px;
  font-size: 22px;
  text-align: center;
  text-transform: uppercase;
}

p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 22px; }
li { margin: 4px 0; }
li ul { margin: 4px 0; }
em { color: var(--muted); }
a { color: inherit; text-decoration-color: #aaa; text-underline-offset: 3px; }
a[href^="tel:"], a[href^="mailto:"] { white-space: nowrap; }

/* Blockquote = note éco (en vert, comme l'original) */
blockquote {
  margin: 16px 0;
  padding: 10px 14px;
  border-left: 3px solid var(--eco);
  background: var(--eco-bg);
  color: var(--eco);
  font-style: italic;
  border-radius: 0 6px 6px 0;
}
blockquote p { margin: 0; }

img { max-width: 100%; height: auto; }
.tech p:has(> img) { margin: 0 0 24px; text-align: center; }
.tech img {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.tech img[src$="lumiere.jpg"] { max-height: 520px; width: auto; }

/* Stage plot 3D */
.stage { margin: 0 0 28px; }
.stage.has3d .stage-fallback { display: none; }
.stage3d {
  position: relative;
  height: clamp(340px, 62vw, 480px);
  border-radius: 10px;
  overflow: hidden;
  background: #0d0d0f;
}
.stage3d canvas { display: block; width: 100%; height: 100%; cursor: grab; }
.stage3d canvas:active { cursor: grabbing; }
.s3-labels { position: absolute; inset: 0; pointer-events: none; }
.s3-label {
  color: #ff7a45;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.25;
  text-shadow: 0 1px 3px #000, 0 0 8px #000;
  white-space: nowrap;
}
.s3-label small {
  display: block;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0;
  text-transform: none;
  color: #d9d9d9;
}
.s3-strong { color: #fff; }
@media (max-width: 560px) {
  .stage3d { height: 460px; margin: 0 -16px; border-radius: 0; }
  .s3-label { font-size: 10px; }
  .s3-label small { display: none; } /* les dimensions sont dans la liste juste en dessous */
}
.s3-audience { color: #8a8a8a; font-size: 12px; letter-spacing: 0.3em; }
.s3-views {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
}
.s3-views button {
  border: 0;
  padding: 6px 10px;
  border-radius: 6px;
  background: transparent;
  color: #ddd;
  font: 600 12px/1 inherit;
  font-family: inherit;
  cursor: pointer;
}
.s3-views button[aria-pressed="true"] { background: #fff; color: #111; }
.stage3d.capture .s3-views, .stage3d.capture .s3-hint { display: none; }
.s3-hint {
  position: absolute;
  left: 12px;
  bottom: 8px;
  z-index: 2;
  margin: 0;
  font-size: 12px;
  color: #8a8a8a;
  pointer-events: none;
}

/* Impression / PDF */
@page { size: A4; }
@media print {
  body { background: #fff; font-size: 11.5pt; }
  .bar, .stage3d { display: none !important; }
  .stage.has3d .stage-fallback { display: inline; }
  main { max-width: none; padding: 0; }
  .cover { margin-bottom: 24px; }
  .cover h1 img { width: 70%; }
  h2 { margin-top: 24px; padding-top: 12px; }
  .tech { break-before: page; }
  .tech-title { margin-top: 0; }
  .tech h2:last-of-type { break-before: page; } /* la reco lumière (dernière section) sur sa propre page */
  .tech img[src$="lumiere.jpg"] { max-height: 110mm; }
  h2 + *, li, img, blockquote { break-inside: avoid; }
  a { text-decoration: none; }
}