.project-main {
  padding-top: clamp(88px, 10vh, 120px);
}

.project-hero {
  margin-bottom: var(--space-6);
}

.project-hero h1 {
  margin-bottom: 8px;
}

.project-subtitle {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  color: rgba(43, 43, 43, 0.85);
}

.project-intro {
  margin: 0;
  max-width: 68ch;
  color: rgba(43, 43, 43, 0.9);
}

.phase {
  margin-top: var(--space-6);
}

.phase h2 {
  margin-bottom: var(--space-3);
}

.phase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.phase-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: #fff;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 280ms cubic-bezier(0.22, 1, 0.36, 1), border-color 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.phase-item img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: filter 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.phase-item:hover,
.phase-item:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.10);
  border-color: rgba(240, 90, 40, 0.35);
}

.phase-item:hover img,
.phase-item:focus-visible img {
  filter: brightness(1.03);
}

.project-back {
  margin-top: var(--space-6);
}

@media (min-width: 760px) {
  .phase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .phase-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }
}