/* design tokens — mirrored from /Users/zyy/Desktop/2 Area/5 Portfolio */
:root {
  --color-primary: #171715;
  --color-surface: #ffffff;
  --color-text: #2b2b28;
  --color-muted: #8a8a85;
  --color-accent: #d9d9d6;
  --color-image-placeholder: #ebebe9;

  --text-header-xl: 3.5rem;
  --text-header-lg: 2.5rem;
  --text-header-sm: 1.25rem;
  --text-body-md: 1.25rem;
  --text-body-sm: 1rem;
  --text-body-xs: 0.75rem;
  --text-caption-sm: 0.75rem;
  --text-caption-xs: 0.5625rem;

  --max-w: 768px;
}

/* slim reset */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, p, button, figure, ul, ol, li { margin: 0; padding: 0; }
button { border: 0; background: transparent; font: inherit; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { color: var(--color-surface); background: var(--color-primary); }

body {
  background: var(--color-surface);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

/* scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--color-primary);
  z-index: 50;
  transition: width 75ms linear;
}

/* title block — matches ExperimentLayout */
.subpage {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

.eyebrow {
  font-size: var(--text-caption-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.subpage h1 {
  font-size: var(--text-header-lg);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 300;
  color: var(--color-primary);
  margin-bottom: 2rem;
}
@media (min-width: 1024px) {
  .subpage { padding: 5rem 2rem 4rem; }
  .subpage h1 { font-size: var(--text-header-xl); letter-spacing: -0.02em; line-height: 1.05; }
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
  font-size: var(--text-body-xs);
  color: var(--color-muted);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding: 1.5rem 0;
  margin-bottom: 2.5rem;
}
.meta dt {
  display: block;
  font-size: var(--text-caption-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.meta dd { margin: 0; }
.meta a { border-bottom: 1px solid currentColor; }
.meta a:hover { color: var(--color-primary); }

.overview {
  font-size: var(--text-body-md);
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 3.5rem;
}

/* gallery */
.gallery-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem 8rem;
}
@media (min-width: 1024px) {
  .gallery-wrap { padding: 0 2rem 8rem; }
}
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
@media (min-width: 640px) {
  .gallery { gap: 0.75rem; }
}

.cell {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--color-image-placeholder);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.cell.is-visible { opacity: 1; transform: translateY(0); }
.cell:hover::after,
.cell:focus-visible::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(0, 0, 0, 0.06);
  pointer-events: none;
}
.cell:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* live iframe — display-only, never receives pointer events */
.cell-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.cell.frame-loaded .cell-frame { opacity: 1; }

/* modal player */
.player {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
}
.player[hidden] { display: none; }

.player-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-accent);
  background: var(--color-surface);
}
.player-eyebrow {
  font-size: var(--text-caption-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-muted);
}
.player-title {
  font-size: var(--text-header-sm);
  font-weight: 300;
  color: var(--color-primary);
  letter-spacing: -0.005em;
  margin-right: auto;
}
.player-bar a {
  font-size: var(--text-caption-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-muted);
  transition: color 0.2s;
}
.player-bar a:hover { color: var(--color-primary); }
.player-close {
  font-size: var(--text-caption-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-muted);
  padding: 0.25rem 0.5rem;
  transition: color 0.2s;
}
.player-close:hover { color: var(--color-primary); }

.player-frame-wrap { flex: 1; background: var(--color-surface); overflow: hidden; }
.player-frame-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }

.player-hint {
  padding: 0.6rem 1rem 0.9rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted, #888);
  font-style: italic;
  letter-spacing: 0.02em;
}

body.player-open { overflow: hidden; }