/* Portfolio Section Main Styles */

.portfolio-section {
  position: relative;
  width: 100%;
  min-height: var(--portfolio-min-height);
  background-color: var(--portfolio-bg);
  color: var(--portfolio-text);
  overflow: hidden;
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.6;
}

.portfolio-background {
  position: absolute;
  inset: 0;
  background-color: var(--portfolio-bg);
}

.portfolio-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.portfolio-hero-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: var(--portfolio-overlay);
  opacity: var(--portfolio-overlay-opacity);
  z-index: 1;
}

.portfolio-content-wrapper {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--portfolio-content-padding) 2rem;
}

/* Portfolio Header */
.portfolio-header {
  text-align: center;
  margin-bottom: var(--portfolio-header-margin);
}

.portfolio-title {
  font-size: var(--portfolio-headline);
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--portfolio-text);
  line-height: 0.95;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.portfolio-subtitle {
  font-size: var(--portfolio-subtitle);
  font-weight: 400;
  color: var(--portfolio-text);
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Tab Navigation */
.portfolio-tabs {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: var(--portfolio-tab-spacing);
  margin-bottom: var(--portfolio-content-margin);
  border-bottom: 1px solid var(--portfolio-tab-border);
  padding-bottom: 0;
  flex-wrap: wrap;
}

.portfolio-tab {
  background: transparent;
  border: none;
  padding: 1rem 2rem;
  font-size: var(--portfolio-title);
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  color: var(--portfolio-tab-text);
  cursor: pointer;
  position: relative;
  transition: var(--portfolio-tab-transition);
  border-radius: 8px 8px 0 0;
  min-height: var(--portfolio-tab-height);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.portfolio-tab:hover {
  background-color: var(--portfolio-tab-hover);
  color: var(--portfolio-text);
}

.portfolio-tab:focus {
  outline: none;
  box-shadow: var(--portfolio-focus-outline);
  outline-offset: var(--portfolio-focus-offset);
}

.portfolio-tab.active {
  background-color: var(--portfolio-tab-active);
  color: var(--portfolio-tab-text-active);
  border-bottom: 2px solid var(--portfolio-accent);
}

.portfolio-tab .tab-icon {
  margin-right: 0.5rem;
  font-size: 1.1em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2em;
  height: 1.2em;
}

.portfolio-tab .tab-icon svg {
  width: 100%;
  height: 100%;
  color: var(--portfolio-accent);
  stroke: var(--portfolio-accent);
}

/* Tab Content Container */
.portfolio-content {
  position: relative;
  min-height: 400px;
}

.portfolio-tab-pane {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--portfolio-content-transition);
}

.portfolio-tab-pane.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Content Grid Layout */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--portfolio-card-spacing);
  margin-bottom: var(--portfolio-content-margin);
}

.portfolio-card {
  background-color: var(--portfolio-card-bg);
  border: 1px solid var(--portfolio-card-border);
  border-radius: 12px;
  padding: 2rem;
  transition: var(--portfolio-card-transition);
  position: relative;
  overflow: hidden;
  min-height: var(--portfolio-card-min-height);
}

.portfolio-card:hover {
  background-color: var(--portfolio-card-hover);
  transform: translateY(-4px) scale(var(--portfolio-card-hover-scale));
  box-shadow: var(--portfolio-card-shadow);
}

.portfolio-card-header {
  margin-bottom: 1.5rem;
}

.portfolio-card-title {
  font-size: var(--portfolio-section-title);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--portfolio-text);
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.3;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.portfolio-card-subtitle {
  font-size: var(--portfolio-text-sm);
  font-weight: 700;
  color: var(--portfolio-accent);
  margin-bottom: 1rem;
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-card-content {
  font-size: var(--portfolio-description);
  font-weight: 400;
  line-height: 1.5;
  color: var(--portfolio-text-muted);
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.portfolio-card-features {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.portfolio-card-features li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.portfolio-card-features li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--portfolio-accent);
  font-weight: bold;
}

/* Special Components */
.portfolio-qr-code {
  width: var(--portfolio-qr-size);
  height: var(--portfolio-qr-size);
  background: rgba(255, 255, 255, 0.1);
  border: 2px dashed var(--portfolio-tab-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1rem auto;
  font-size: var(--portfolio-text-sm);
  font-weight: 400;
  color: var(--portfolio-text-muted);
  text-align: center;
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
}

.portfolio-video-container {
  position: relative;
  width: 100%;
  padding-bottom: calc(100% / (16/9));
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  overflow: hidden;
  margin: 1rem 0;
}

.wistia-embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}

.portfolio-video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--portfolio-text-muted);
  font-size: var(--portfolio-text-sm);
  font-weight: 400;
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.portfolio-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--portfolio-accent);
  color: var(--portfolio-bg);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--portfolio-tab-transition);
  text-decoration: none;
  font-size: var(--portfolio-text-sm);
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.portfolio-download-btn:hover {
  background: #00cc52;
  transform: translateY(-2px);
}

/* Navigation Controls */
.portfolio-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--portfolio-card-border);
}

.portfolio-nav-btn {
  background: transparent;
  border: 1px solid var(--portfolio-tab-border);
  color: var(--portfolio-text);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--portfolio-tab-transition);
  font-size: var(--portfolio-text-sm);
  font-weight: 600;
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.portfolio-nav-btn:hover {
  background: var(--portfolio-tab-hover);
  border-color: var(--portfolio-accent);
}

/* Responsive Design */
@media (max-width: 768px) {
  .portfolio-content-wrapper {
    padding: var(--portfolio-mobile-padding) 1rem;
  }
  
  .portfolio-tabs {
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--portfolio-mobile-content-margin);
  }
  
  .portfolio-tab {
    min-height: var(--portfolio-mobile-tab-height);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border-bottom: none;
  }
  
  .portfolio-tab.active {
    border-bottom: none;
    border-left: 3px solid var(--portfolio-accent);
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--portfolio-mobile-card-spacing);
  }
  
  .portfolio-card {
    padding: 1.5rem;
  }
  
  .portfolio-navigation {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .portfolio-navigation {
    display: none !important;
  }
  
  .portfolio-background,
  .portfolio-media {
    display: none !important;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .portfolio-tab,
  .portfolio-tab-pane,
  .portfolio-card {
    transition: none;
  }
  
  .portfolio-card:hover {
    transform: none;
  }
}

/* Focus management for tab switching */
.portfolio-tab-pane[aria-hidden="true"] {
  display: none;
}

.portfolio-tab-pane[aria-hidden="false"] {
  display: block;
}

/* Loading state */
.portfolio-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--portfolio-text-muted);
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 400;
}

/* Error state */
.portfolio-error {
  background: rgba(255, 0, 0, 0.1);
  border: 1px solid rgba(255, 0, 0, 0.3);
  border-radius: 8px;
  padding: 1.5rem;
  color: #ffcccc;
  text-align: center;
  font-family: 'AvenirLTStd-85Heavy', 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 400;
}