/* 3D PROJECTS SECTION STYLES */

/* Tabs */
.tabs-container { margin-bottom: 40px; }
.tabs { display: flex; gap: 12px; flex-wrap: wrap; border-bottom: 0.5px solid var(--p-line); padding-bottom: 16px; }
.tab-btn {
  background: transparent;
  border: none;
  color: var(--p-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.25s;
}
.tab-btn:hover { color: var(--p-text); }
.tab-btn.on {
  color: var(--p-accent);
  border-bottom-color: var(--p-accent);
}

.tab-content { display: none; }
.tab-content.on { display: block; animation: fadeIn 0.3s ease-out; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* AutoCAD Grid */
.cad-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.cad-item {
  background: var(--p-glass);
  border: 0.5px solid var(--p-line);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.cad-item:hover {
  border-color: var(--p-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(255, 107, 91, 0.1);
}

.cad-viewer {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, var(--p-accent-tint), var(--p-glass-2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.cad-viewer canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.cad-info {
  padding: 24px;
}

.cad-info h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--p-text);
}

.cad-info p {
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.tech-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tech-tags .tag {
  background: var(--p-accent-tint);
  color: var(--p-accent);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}

/* Building Plans Grid */
.building-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.building-item {
  background: var(--p-glass);
  border: 0.5px solid var(--p-line);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.building-item:hover {
  border-color: var(--p-accent);
  transform: translateY(-4px);
}

.building-image {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--p-accent-tint), var(--p-glass-2));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--p-dim);
  font-size: 14px;
  overflow: hidden;
}

.building-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.building-info {
  padding: 24px;
}

.building-info h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--p-text);
}

.building-info p {
  font-size: 13px;
  margin: 0 0 16px;
  line-height: 1.6;
}

.specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.specs span {
  font-size: 12px;
  color: var(--p-muted);
  padding: 6px 0;
  border-bottom: 0.5px solid var(--p-line);
}

.specs span:last-child { border-bottom: none; }

/* ETABS Section */
.etabs-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.etabs-viewer {
  background: var(--p-glass);
  border: 0.5px solid var(--p-line);
  border-radius: 12px;
  overflow: hidden;
}

.etabs-animation {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--p-accent-tint), var(--p-glass-2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.etabs-animation canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.etabs-controls {
  display: flex;
  gap: 8px;
  padding: 16px;
  background: var(--p-bg-2);
  border-top: 0.5px solid var(--p-line);
}

.btn-small {
  flex: 1;
  padding: 10px;
  background: var(--p-accent-tint);
  border: 0.5px solid var(--p-accent);
  color: var(--p-accent);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-small:hover {
  background: var(--p-accent);
  color: var(--p-bg);
}

.etabs-info {
  padding: 24px;
  background: var(--p-glass);
  border: 0.5px solid var(--p-line);
  border-radius: 12px;
}

.etabs-info h3 {
  font-size: 18px;
  margin: 0 0 12px;
  color: var(--p-text);
}

.etabs-info p {
  font-size: 13px;
  color: var(--p-muted);
  margin: 0 0 12px;
  line-height: 1.6;
}

.etabs-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.etabs-features li {
  padding: 8px 0;
  font-size: 13px;
  color: var(--p-text);
  line-height: 1.6;
}

.etabs-features li:before {
  content: "✓ ";
  color: var(--p-accent);
  font-weight: 600;
  margin-right: 6px;
}

.etabs-info h4 {
  font-size: 14px;
  margin: 0 0 12px;
  color: var(--p-text);
  font-weight: 500;
}

.analysis-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.table-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--p-bg-2);
  border-radius: 6px;
  border-left: 3px solid var(--p-accent);
}

.table-row .label {
  font-size: 12px;
  color: var(--p-muted);
  font-weight: 500;
}

.table-row .value {
  font-size: 13px;
  color: var(--p-accent);
  font-weight: 600;
}

.analysis-notes {
  background: var(--p-accent-tint);
  border-left: 3px solid var(--p-accent);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 12px;
}

.analysis-notes strong {
  color: var(--p-accent);
  display: block;
  margin-bottom: 6px;
}

.analysis-notes p {
  margin: 0;
  color: var(--p-text);
  line-height: 1.5;
}

/* BIM Grid */
.bim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.bim-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.bim-model {
  background: var(--p-glass);
  border: 0.5px solid var(--p-line);
  border-radius: 12px;
  overflow: hidden;
}

.model-viewer {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, var(--p-accent-tint), var(--p-glass-2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.model-viewer canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.bim-details {
  padding: 20px;
  background: var(--p-glass);
  border: 0.5px solid var(--p-line);
  border-radius: 12px;
}

.bim-details h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--p-text);
}

.bim-details p {
  font-size: 13px;
  margin: 0 0 16px;
  color: var(--p-muted);
  line-height: 1.6;
}

.bim-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bim-specs div {
  font-size: 12px;
  color: var(--p-text);
  padding: 8px 0;
  border-bottom: 0.5px solid var(--p-line);
}

.bim-specs div:last-child { border-bottom: none; }

.bim-specs strong {
  color: var(--p-dim);
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

/* Responsive */
@media (max-width: 1024px) {
  .etabs-container { grid-template-columns: 1fr; }
  .etabs-animation { height: 350px; }
}

@media (max-width: 768px) {
  .cad-grid { grid-template-columns: 1fr; }
  .building-grid { grid-template-columns: 1fr; }
  .bim-grid { grid-template-columns: 1fr; }
  .tabs { gap: 6px; }
  .tab-btn { padding: 6px 12px; font-size: 12px; }
}