/**
 * PiDesk Landing Page - Showcase, Features, Comparison, Install, FAQ
 */

/* Section Spacing */
.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  position: relative;
}

.section-alt {
  background: rgba(16, 20, 30, 0.4);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* Feature Showcase */
.showcase-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
}

.showcase-tabs-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
}

.showcase-card {
  transition: opacity var(--transition-fast);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr;
}

.showcase-preview {
  background: #090b10;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  /* One fixed stage for every slide so swapping screenshots never changes the layout height */
  aspect-ratio: 16 / 10;
  max-height: 78vh;
}

.showcase-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.showcase-details {
  padding: var(--space-xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--bg-surface-elevated);
}

.showcase-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.showcase-features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  list-style: none;
  margin-top: var(--space-sm);
}

.showcase-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.feature-dot {
  color: var(--accent-primary);
  font-weight: bold;
}

/* Architecture Comparison Matrix */
.comparison-table-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table th.highlight,
.comparison-table td.highlight {
  background: rgba(255, 42, 59, 0.05);
  color: #ffffff;
  font-weight: 600;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.metric-badge-good {
  color: var(--accent-emerald);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.metric-badge-bad {
  color: var(--text-muted);
}

/* Installation Guide */
.install-tabs {
  max-width: 780px;
  margin: 0 auto;
}

.install-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-md);
  display: none;
}

.install-panel.active {
  display: block;
}

.install-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.install-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-primary);
  padding-left: var(--space-md);
  margin-top: var(--space-sm);
}

/* FAQ Accordion */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  transition: transform var(--transition-fast);
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

/* 0fr -> 1fr grid animation: height follows content, so nothing is ever clipped */
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  padding: 0 1.5rem;
  transition: grid-template-rows 300ms ease, padding 300ms ease, visibility 0s linear 300ms;
}

.faq-answer > p {
  min-height: 0;
  overflow: hidden;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
  visibility: visible;
  padding-bottom: 1.25rem;
  transition-delay: 0s;
}