.project-layout { display: grid; gap: 1.25rem; }
.projects-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, .33fr);
  align-items: start;
  gap: 1.25rem;
}
.repo-rail { position: sticky; top: 92px; }
.repo-rail h2 { margin-bottom: .5rem; font-size: 1.3rem; }
.repo-list { display: grid; gap: .7rem; margin: 1rem 0; padding: 0; list-style: none; }
.repo-list a {
  display: block;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
}
.repo-list a:hover { background: rgba(240, 174, 107, .1); }
.repo-list small { display: block; margin-top: .2rem; color: var(--muted); }
.project-detail {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1.5rem;
}
.project-mark {
  display: grid; place-items: center; min-height: 9rem;
  border: 1px solid var(--line); border-radius: 14px;
  background: radial-gradient(circle at 30% 25%, rgba(68, 200, 255, .32), transparent 40%), #0a2038;
  color: var(--blue); font-size: .86rem; font-weight: 800; text-align: center;
}
.project-detail h2 { margin-bottom: .5rem; }
.project-detail p { color: var(--muted); }
.project-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }

@media (max-width: 620px) {
  .projects-shell { grid-template-columns: 1fr; }
  .repo-rail { position: static; }
  .project-detail { grid-template-columns: 1fr; }
  .project-mark { min-height: 5rem; }
}