.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

.projects-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
}

.card {
  position: relative;
  overflow: hidden;

  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.06),
      rgba(255, 255, 255, 0.02)
    ),
    rgba(28, 28, 28, 0.35);

  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 22px;

  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.55),
    inset 0 1px rgba(255, 255, 255, 0.06);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;

  background:
    radial-gradient(
      120% 80% at 0% 0%,
      rgba(63, 192, 198, 0.22),
      transparent 60%
    ),
    radial-gradient(
      120% 80% at 100% 100%,
      rgba(20, 155, 159, 0.16),
      transparent 65%
    );

  opacity: 0.75;
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;

  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.12),
    transparent 30%
  );

  opacity: 0.12;
  pointer-events: none;
}

.projects-menu h3 {
  margin-bottom: 14px;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  margin: 0;
}

.menu-list li {
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-secondary);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.menu-list li:hover {
  background: rgba(20, 155, 159, 0.08);
  color: var(--accent-light);
}

.menu-list li.active {
  background: rgba(20, 155, 159, 0.14);
  color: var(--accent-light);
  box-shadow: inset 0 0 0 1px rgba(20, 155, 159, 0.35);
}

.menu-item {
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;

  color: var(--text-secondary);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.menu-item .title {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.menu-item .meta {
  font-size: 0.75rem;
  opacity: 0.7;
}

.menu-item:hover {
  background: rgba(63, 192, 198, 0.1);
  backdrop-filter: blur(6px);
}

.menu-item.active {
  background: rgba(63, 192, 198, 0.18);
  box-shadow:
    inset 0 0 0 1px rgba(63, 192, 198, 0.45),
    0 6px 18px rgba(63, 192, 198, 0.15);
}

.menu-item.active .lang,
.menu-item:hover .lang {
  background: rgba(20, 155, 159, 0.25);
}

.lang {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 6px;

  color: var(--accent-light);
  background: rgba(20, 155, 159, 0.15);
  border: 1px solid rgba(20, 155, 159, 0.35);

  line-height: 1;
  white-space: nowrap;
}

.project-detail {
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.project-detail.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-list-text {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--muted);
}

.project-detail h2 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.6rem;
}

.project-detail p {
  line-height: 1.6;
  color: var(--text-secondary);
}

.project-detail .tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0 18px;
}

.project-detail .tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(20, 155, 159, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(20, 155, 159, 0.35);
}

.project-detail .empty {
  color: var(--text-secondary);
  opacity: 0.75;
  font-style: italic;
}

@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .projects-menu {
    order: 2;
  }

  .project-detail {
    order: 1;
  }
}

.tech {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0 20px;
}

.tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(20, 155, 159, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(20, 155, 159, 0.35);
}

.project-links {
  display: flex;
  gap: 14px;
  margin-top: 12px;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.projects-grid {
  grid-template-columns: 320px 1fr;
}