/* achievements.css */
.achievements {
  background: var(--bg);
}

.achievements-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem 3rem;
}

.ach-filter-row {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.ach-filter {
  padding: 0.4rem 1rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-2);
  background: transparent;
  transition: all var(--t-fast);
}

.ach-filter:hover {
  border-color: var(--border-hi);
  color: var(--text-1);
}

.ach-filter.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0C0A09;
  font-weight: 600;
}

.ach-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ach-card {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-2);
  transition: all var(--t-fast);
}

.ach-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
}

.ach-card.hidden {
  display: none;
}

.ach-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.ach-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: var(--bg-3);
  flex-shrink: 0;
}

.ach-icon svg {
  width: 18px;
  height: 18px;
}

.ach-cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 0.15rem 0.5rem;
  white-space: nowrap;
}

.ach-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.ach-org {
  font-size: var(--text-sm);
  color: var(--text-3);
}

.ach-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-3);
}

.ach-desc {
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.6;
}

.ach-result {
  font-size: var(--text-sm);
  color: var(--accent);
  font-weight: 600;
}

.ach-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 900px) {
  .ach-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .ach-grid {
    grid-template-columns: 1fr;
  }
}