:root {
  --headline: #304862;
  --hover:    #de4640;
  --text:     #4d647e;
  --muted:    #6b869c;
  --card-bg:  #f7f9fb;
  --border:   #e0e6ec;
  --shadow:   0 10px 26px rgba(48, 72, 98, .18);
}

.artifact-inner {
  width: min(1240px, 95%);
  margin: 0 auto;
}

.artifact-title-section { padding: 1.5rem 0 .5rem; }

.artifact-title {
  margin: 0;
  color: var(--headline);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  line-height: 1.2;
  text-align: center;
}

.artifact-description-section { padding: .75rem 0; }

.artifact-description {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.75;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
}

.artifact-meta-section { padding: 1rem 0 2rem; }

.artifact-detail-list {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(48, 72, 98, .08);
  max-width: 680px;
  margin: 0 auto;
}

.artifact-detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .7rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.artifact-detail-row:last-child { border-bottom: none; }

.artifact-detail-label {
  flex-shrink: 0;
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
}

.artifact-detail-value {
  font-size: .975rem;
  font-weight: 600;
  color: var(--headline);
  line-height: 1.4;
  word-break: break-word;
  text-align: right;
}

.artifact-tick {
  color: #2a9d5c;
  display: inline-block;
  vertical-align: middle;
}

.artifact-detail-link {
  color: var(--hover);
  text-decoration: none;
  font-weight: 700;
  transition: color .2s ease;
}

.artifact-detail-link:hover { color: var(--headline); text-decoration: underline; }

.artifact-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .4rem;
}

.artifact-tag {
  display: inline-flex;
  align-items: center;
  padding: .3rem .7rem;
  border-radius: 999px;
  border: 1px solid rgba(48, 72, 98, .2);
  background: var(--card-bg);
  color: var(--headline);
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .2px;
}

.artifact-tag--link {
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.artifact-tag--link:hover {
  background: var(--headline);
  color: #fff;
  border-color: var(--headline);
}

.artifact-download-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: .88rem;
  letter-spacing: .2px;
  text-decoration: none;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
}

.artifact-download-btn--pdf {
  background: var(--headline);
  color: #fff;
}

.artifact-download-btn--pdf:hover {
  background: var(--hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(222, 70, 64, .3);
}

.artifact-download-btn--zip {
  background: var(--headline);
  color: #fff;
}

.artifact-download-btn--zip:hover {
  background: var(--hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(222, 70, 64, .3);
}

.artifact-download-btn--disabled {
  background: var(--card-bg);
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: not-allowed;
  opacity: .7;
  position: relative;
}

.artifact-download-btn--disabled:hover {
  transform: none;
  box-shadow: none;
}

.artifact-download-btn--disabled[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a2535;
  color: #fff;
  font-size: .75rem;
  font-weight: 500;
  white-space: nowrap;
  padding: .3rem .6rem;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s ease;
  z-index: 10;
}

.artifact-download-btn--disabled[data-tooltip]:hover::after {
  opacity: 1;
}

.artifact-similar-section {
  padding: 3rem 1rem 4rem;
  background: var(--bg);
}

.artifact-similar-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.artifact-similar-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--headline);
  margin: 0 0 1.75rem;
  text-align: center;
}

.artifact-similar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.artifact-similar-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow .2s ease, transform .2s ease;
}

.artifact-similar-card:hover {
  box-shadow: 0 6px 24px rgba(48,72,98,.12);
  transform: translateY(-2px);
}

.artifact-similar-media {
  display: block;
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.artifact-similar-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  background: var(--card-bg, #f7f9fb);
  transition: transform .3s ease;
}

.artifact-similar-card:hover .artifact-similar-media img {
  transform: scale(1.04);
}

.artifact-similar-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.3) 0%, transparent 60%);
}

.artifact-similar-body {
  padding: .75rem 1rem .9rem;
}

.artifact-similar-title-link {
  text-decoration: none;
  color: inherit;
}

.artifact-similar-name {
  font-size: .9rem;
  font-weight: 700;
  color: var(--headline);
  margin: 0 0 .3rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.artifact-similar-title-link:hover .artifact-similar-name {
  color: var(--hover);
}

.artifact-similar-brand {
  font-size: .78rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 .15rem;
  text-transform: uppercase;
  letter-spacing: .3px;
}

.artifact-similar-year {
  font-size: .78rem;
  color: var(--muted);
  margin: 0;
}

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

@media (max-width: 480px) {
  .artifact-similar-grid {
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
  }
}