/* Premières Lueurs : un concept de guitare MYRIANCE par panneau. */
.concept-grid { display: block; margin: 3.5rem calc(-1 * var(--gutter)) 0; border-top: 1px solid var(--line); }
.concept-tile { display: block; min-width: 0; background: var(--ink-deep); border-bottom: 1px solid var(--line); }
.concept-tile figure { display: grid; grid-template-columns: minmax(0, 56%) minmax(0, 44%); min-height: max(42rem, 100svh); }
.concept-tile:nth-child(even) figure { grid-template-columns: minmax(0, 44%) minmax(0, 56%); }
.concept-tile:nth-child(even) .concept-tile-frame { order: 2; }
.concept-tile:nth-child(even) .concept-tile-copy { order: 1; }
.concept-tile-frame { position: relative; min-width: 0; overflow: hidden; background: #050504; }
.concept-tile-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: transform 900ms var(--ease); }
.concept-tile-watermark { position: absolute; top: clamp(1rem, 2vw, 2rem); left: clamp(1.25rem, 3vw, 3rem); font-family: var(--serif); font-size: clamp(6rem, 13vw, 12rem); line-height: 1; color: rgb(255 253 250 / 12%); pointer-events: none; }
.concept-tile-copy { position: relative; min-width: 0; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(3rem, 7vw, 8rem); background: var(--ink-deep); }
.concept-tile-copy::after { content: ''; position: absolute; bottom: 10%; left: clamp(3rem, 7vw, 8rem); right: clamp(3rem, 7vw, 8rem); height: 1px; background: linear-gradient(90deg, var(--metal), transparent); opacity: .55; }
.concept-tile-number { font-size: var(--micro-size); letter-spacing: .13em; line-height: 1.6; color: var(--muted); }
.concept-tile h3 { margin: 1.25rem 0 1.4rem; font-weight: 400; font-size: clamp(3.5rem, 6vw, 8rem); letter-spacing: -.06em; line-height: .95; }
.concept-tile h3 span, .concept-tile h3 em { display: block; }
.concept-tile h3 em { margin-top: .15em; color: var(--metal-light); }
.concept-tile-description { max-width: 25rem; font-size: clamp(.875rem, 1.1vw, 1rem); line-height: 1.8; color: var(--muted); }
.concept-tile-status { margin-top: 2rem; font-size: var(--micro-size); line-height: 1.6; letter-spacing: .06em; text-transform: uppercase; color: var(--stone); }
.concept-tile-open { display: inline-flex; align-items: center; gap: 1.5rem; margin-top: 2rem; padding-bottom: .55rem; border-bottom: 1px solid var(--metal); font-size: var(--micro-size); letter-spacing: .05em; color: var(--ivory); }
.concept-tile-open span { color: var(--metal-light); }
.concept-tile-count { position: absolute; right: clamp(2rem, 4vw, 5rem); bottom: 12%; font-family: var(--serif); font-size: 1.1rem; color: var(--stone); }
.concept-tile:focus-visible { outline: 2px solid var(--metal-light); outline-offset: -5px; }
.concept-viewer { width: min(86rem, 94vw); max-width: 94vw; max-height: none; padding: 0; margin: auto; border: 1px solid var(--line); background: var(--ink-deep); color: var(--ivory); overflow: visible; }
.concept-viewer::backdrop { background: rgb(0 0 0 / 90%); }
.concept-viewer-content { max-height: 92svh; overflow: auto; }
.concept-viewer-head { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--line); background: var(--ink-deep); }
.concept-viewer-head h2 { font-size: clamp(1.35rem, 2.4vw, 2.3rem); line-height: 1.2; font-weight: 400; letter-spacing: -.03em; }
.concept-viewer-close { flex-shrink: 0; min-height: 44px; padding: .75rem 1rem; border: 1px solid var(--line); background: transparent; color: var(--ivory); font: inherit; font-size: var(--micro-size); }
.concept-viewer-close:hover { border-color: var(--metal-light); }
.concept-viewer-stage { position: relative; height: min(76svh, 60rem); background: #000; }
.concept-viewer-stage img { width: 100%; height: 100%; object-fit: contain; }
.concept-viewer-stage [hidden] { display: none !important; }
.concept-viewer-loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: var(--micro-size); }
.concept-viewer figcaption { padding: 1rem 1.5rem; font-size: var(--micro-size); line-height: 1.7; color: var(--muted); }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) { .concept-tile:hover .concept-tile-frame img { transform: scale(1.018); } .concept-tile:hover .concept-tile-open { color: var(--metal-light); } }
@media (max-width: 980px) {
  .concept-tile figure, .concept-tile:nth-child(even) figure { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .concept-tile:nth-child(even) .concept-tile-frame, .concept-tile:nth-child(even) .concept-tile-copy { order: initial; }
  .concept-tile-frame { aspect-ratio: 4 / 5; }
  .concept-tile-copy { min-height: 30rem; padding: clamp(2rem, 7vw, 5rem); }
  .concept-tile-copy::after { left: clamp(2rem, 7vw, 5rem); right: clamp(2rem, 7vw, 5rem); bottom: 8%; }
  .concept-tile-count { bottom: 9%; }
}
@media (max-width: 600px) {
  .concept-grid { margin-top: 2.5rem; }
  .concept-tile-frame { aspect-ratio: 4 / 5; }
  .concept-tile-copy { min-height: 25rem; padding: 2rem 1.5rem 5rem; }
  .concept-tile-copy::after { left: 1.5rem; right: 1.5rem; bottom: 2rem; }
  .concept-tile h3 { font-size: clamp(3.1rem, 13vw, 5rem); }
  .concept-tile-count { right: 1.5rem; bottom: 2.2rem; }
  .concept-viewer-head { gap: 1rem; padding: 1rem; }
  .concept-viewer-close { padding-inline: .75rem; }
  .concept-viewer-stage { height: 70svh; }
}
@media (prefers-reduced-motion: reduce) { .concept-tile-frame img { transition: none; } }