.page--project-single {
  --page-accent: var(--color-gold);
  --page-accent-soft: var(--color-gold-soft);
}

.page-hero--single .page-hero__media::after {
  background: linear-gradient(145deg, rgba(10, 15, 22, 0.2), rgba(10, 15, 22, 0.75));
}

.project-gallery {
  padding: var(--space-lg) 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  display: grid;
  gap: var(--space-md);
}

.project-gallery__main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.project-gallery__main img {
  width: 100%;
  height: clamp(260px, 40vw, 420px);
  object-fit: cover;
}

.project-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.project-gallery__thumb {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: rgba(17, 24, 38, 0.6);
  padding: 0;
}

.project-gallery__thumb img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.project-gallery__thumb.is-active {
  border-color: var(--page-accent);
  box-shadow: 0 0 0 2px var(--page-accent-soft);
}

.project-overview {
  padding: var(--space-xl) 0 var(--space-lg);
}

.overview-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  gap: var(--space-lg);
}

.overview-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(17, 24, 38, 0.75);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.project-results {
  padding: var(--space-lg) 0 var(--space-xl);
}

.result-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  gap: var(--space-md);
}

.result-card {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(17, 24, 38, 0.8);
  display: grid;
  gap: 6px;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.result-card strong {
  font-size: 1.4rem;
  color: var(--color-text-primary);
}

.project-stack {
  padding: 0 0 var(--space-xl);
}

.project-stack__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  gap: var(--space-lg);
}

.stack-card {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(17, 24, 38, 0.75);
  display: grid;
  gap: var(--space-sm);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.stack-card--highlight {
  background: linear-gradient(135deg, rgba(217, 179, 111, 0.12), rgba(17, 24, 38, 0.8));
}

.project-nav {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad) var(--space-xl);
  display: grid;
  gap: var(--space-md);
}

.project-nav__link {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(17, 24, 38, 0.75);
  display: grid;
  gap: 6px;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.project-nav__link strong {
  color: var(--color-text-primary);
}

.overview-card:hover,
.overview-card:focus-within,
.result-card:hover,
.result-card:focus-within,
.stack-card:hover,
.stack-card:focus-within,
.project-nav__link:hover,
.project-nav__link:focus-within {
  background: linear-gradient(135deg, var(--page-accent-soft), rgba(17, 24, 38, 0.9));
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-medium);
}

.stack-card--highlight:hover,
.stack-card--highlight:focus-within {
  background: linear-gradient(135deg, rgba(217, 179, 111, 0.2), rgba(17, 24, 38, 0.85));
  border-color: rgba(255, 255, 255, 0.18);
}

@media (min-width: 768px) {
  .project-gallery__thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-stack__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}