.architecture-stages-hero { position: relative; isolation: isolate; color: #fff; background: #111; padding: calc(var(--header-h) + 44px) var(--gutter) 52px max(var(--gutter), calc(var(--linea-rail-x) + 24px)); }
.architecture-stages-hero::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, rgba(10, 12, 14, .83), rgba(10, 12, 14, .64)), url('/media/architecture/cohen-dark-model-background-v1.webp') center / cover no-repeat; }
.architecture-stages-inner { width: 100%; margin: 0 auto; display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(24px, 3vw, 48px); align-items: center; }
.architecture-stages-copy { min-width: 0; }
.architecture-stages-copy h1 { margin: 0; font-size: clamp(38px, 4.7vw, 76px); line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
.architecture-stages-copy .summary { color: #ddd; font-size: clamp(18px, 1.5vw, 24px); line-height: 1.5; margin: 24px 0; }
.architecture-stages-project { border-left: 2px solid var(--red); padding-left: 16px; font-size: 16px; line-height: 1.5; }
.architecture-stages-project span { display: block; color: #bbb; font-size: 14px; margin-top: 6px; }
.architecture-stages { margin: 0; min-width: 0; padding: clamp(16px, 1.3vw, 22px); background: rgba(239, 238, 234, .84); color: #111; border: 1px solid rgba(255, 255, 255, .6); border-radius: var(--gray-card-radius, 22px); backdrop-filter: blur(4px); }
.architecture-project-gallery { min-width: 0; padding: clamp(16px, 1.5vw, 24px); border: 1px solid #ffffff99; border-radius: 22px; background: rgba(239, 238, 234, .9); color: #111; backdrop-filter: blur(4px); }
.architecture-project-gallery > h2 { margin: 0 0 8px; font-size: clamp(24px, 2.1vw, 34px); letter-spacing: -.025em; }
.architecture-project-help { margin: 0 0 16px; font-size: 16px; color: #333; }
.architecture-project-picker { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 20px; }
.architecture-project-picker[hidden], .architecture-stages[hidden] { display: none !important; }
.architecture-project-picker button { padding: 0 0 8px; min-height: 44px; border: 2px solid #aaa; border-radius: 8px; overflow: hidden; background: #efeeea; color: #222; font: inherit; font-size: 13px; line-height: 1.3; text-align: left; cursor: pointer; }
.architecture-project-picker button img { display: block; width: 100%; height: 54px; object-fit: cover; margin-bottom: 7px; }
.architecture-project-picker button span { display: block; padding: 0 7px; }
.architecture-project-picker button[aria-pressed="true"] { background: #c00000; border-color: #c00000; color: white; }
.architecture-project-picker button:hover { border-color: #c00000; }
.architecture-project-picker button:focus-visible { outline: 3px solid #c00000; outline-offset: 3px; }
.architecture-project-gallery .architecture-stages { padding: 0; background: transparent; border: 0; border-radius: 0; backdrop-filter: none; }
.architecture-stages > figcaption h3 { margin: 0 0 8px; font-size: clamp(21px, 1.7vw, 28px); letter-spacing: -.025em; }
.architecture-stages > figcaption p { margin: 0 0 14px; color: #333; font-size: 16px; line-height: 1.4; }
.architecture-stages-images { background: #f6f6f4; color: #111; border-left: 2px solid var(--red); }
.architecture-stages-images figure { margin: 0; }
.architecture-stages-images img { display: block; width: 100%; height: auto; user-select: none; }
.architecture-stages-images figcaption { padding: 14px; font-size: 14px; line-height: 1.5; }
.architecture-stages[data-enhanced="true"] .architecture-stages-images { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.architecture-stages[data-enhanced="true"] .architecture-stages-images figure { position: absolute; inset: 0; opacity: var(--stage-opacity, 0); }
.architecture-stages[data-enhanced="true"] .architecture-stages-images figure:first-child { opacity: 1; }
.architecture-stages[data-enhanced="true"] .architecture-stages-images figure[data-stage-painted] { opacity: var(--stage-opacity, 0); }
.architecture-stages[data-enhanced="true"] .architecture-stages-images img { height: 100%; object-fit: contain; }
.architecture-stages[data-enhanced="true"] .architecture-stages-images figcaption { display: none; }
.architecture-stages-controls[hidden], .architecture-stages-buttons[hidden] { display: none; }
.architecture-stages-readout { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 16px; font-size: 16px; line-height: 1.4; }
.architecture-stages-readout > span { color: #444; font-size: 14px; }
.architecture-stages-play { display: block; min-height: 44px; padding: 8px 14px; margin: 8px 0 0; border: 1px solid #aaa; border-radius: 8px; background: #efeeea; color: #111; font: inherit; font-size: 14px; cursor: pointer; }
.architecture-stages-play:hover { border-color: #c00000; }
.architecture-stages-controls input { width: 100%; margin: 4px 0; height: 44px; accent-color: #c00000; cursor: ew-resize; }
.architecture-stages-buttons { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.architecture-stages-buttons button { min-height: 60px; padding: 10px; border: 2px solid #bbb; border-radius: 8px; background: rgba(239, 238, 234, .82); color: #111; text-align: left; font: inherit; font-size: 14px; line-height: 1.35; cursor: pointer; }
.architecture-stages-buttons button > span { display: block; font-size: 18px; font-weight: 800; margin-bottom: 4px; color: #444; }
.architecture-stages-buttons button[aria-pressed="true"] { background: var(--red); border-color: var(--red); color: #fff; }
.architecture-stages-buttons button[aria-pressed="true"] > span { color: #fff; }
.architecture-stages-buttons button:hover { border-color: #c00000; }
.architecture-stages :focus-visible { outline: 3px solid #c00000; outline-offset: 3px; }
.architecture-stages-controls > p { min-height: 3em; color: #333; font-size: 14px; line-height: 1.5; margin: 8px 0 0; }
.architecture-stages-controls > .interaction-prompt { min-height: 0; color: #8e0000; font-weight: 600; }
.architecture-stages-disclosure { margin: 8px 0 0; color: #333; font-size: 14px; line-height: 1.5; }
.architecture-stages-status { color: #111; font-size: 14px; line-height: 1.5; }
.architecture-stages-status:empty { display: none; }
.architecture-stages:not([data-stage-feedback]) .architecture-stages-status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (min-width: 1001px) {
  .architecture-stages[data-enhanced="true"] { display: grid; grid-template-columns: minmax(0, 1fr) clamp(96px, 8vw, 128px); column-gap: 14px; row-gap: 8px; align-items: start; }
  .architecture-stages[data-enhanced="true"] > figcaption { grid-column: 1 / -1; grid-row: 1; }
  .architecture-stages[data-enhanced="true"] > .architecture-stages-images { grid-column: 1; grid-row: 2; width: 100%; max-width: min(660px, 54svh); margin-inline: auto; }
  .architecture-stages[data-enhanced="true"] > .architecture-stages-controls { grid-column: 1; grid-row: 3; }
  .architecture-stages[data-enhanced="true"] > .architecture-stages-buttons:not([hidden]) { grid-column: 2; grid-row: 2 / 4; grid-template-columns: minmax(0, 1fr); }
  .architecture-stages[data-enhanced="true"] > .architecture-stages-disclosure { grid-column: 1 / -1; grid-row: 4; }
  .architecture-stages[data-enhanced="true"] > .architecture-stages-status { grid-column: 1 / -1; grid-row: 5; }
}
@media (min-width: 1001px) and (max-height: 800px) {
  .architecture-stages[data-enhanced="true"] > .architecture-stages-images { max-width: 48svh; }
}
@media (max-width: 1000px) {
  .architecture-stages-inner { grid-template-columns: minmax(0, 1fr); padding-left: 0; }
  .architecture-stages-copy { max-width: 760px; }
  .architecture-stages-copy h1 { font-size: clamp(36px, 6vw, 58px); }
  .architecture-stages-copy .summary { margin: 16px 0; }
  .architecture-stages-project { margin-bottom: 0; }
}
@media (max-width: 640px) {
  .architecture-project-picker { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .architecture-stages-hero { padding: calc(var(--header-h) + 32px) 18px 40px 68px; }
  .architecture-stages-inner { gap: 28px; }
  .architecture-stages-copy h1 { font-size: clamp(32px, 8vw, 48px); }
  .architecture-stages-buttons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}