/* ── STUDIO MOON — ARTIFACT DETAIL PAGE ── */

/* ── HERO ── */
.artifact-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
  padding-top: var(--space-11);
  position: relative;
}

.artifact-hero::after {
  content: '';
  position: absolute;
  left: var(--space-8);
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-accent), transparent);
  opacity: 0.15;
}

.artifact-hero__label {
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-ultra);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  opacity: 0;
  animation: fadeSlideUp var(--duration-normal) 0.2s forwards;
}

.artifact-hero h1 {
  opacity: 0;
  animation: fadeSlideUp var(--duration-slow) 0.4s forwards;
}

.artifact-hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.artifact-hero .meta-row {
  margin-top: var(--space-9);
  opacity: 0;
  animation: fadeSlideUp var(--duration-normal) 0.8s forwards;
}

/* ── BRIEF GRID ── */
.brief-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-11);
  max-width: var(--content-max);
}

.brief-text {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  line-height: var(--leading-normal);
}

.brief-specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-left: var(--space-8);
  border-left: 1px solid var(--color-line);
}

.spec-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.spec-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.spec-value {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
}

/* ── BACK LINK ── */
.artifact-back {
  display: inline-block;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--space-8);
  transition: color var(--duration-fast);
}

.artifact-back:hover {
  color: var(--color-accent);
  opacity: 1;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .artifact-hero {
    padding: var(--space-10) var(--page-gutter);
    min-height: auto;
    padding-top: calc(var(--space-11) + 40px);
  }

  .artifact-hero::after {
    left: var(--page-gutter);
  }

  .brief-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .brief-specs {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--color-line);
    padding-top: var(--space-6);
  }
}