/* ============================
   DEMOS PAGE STYLES
   ============================ */

/* Hero (compact) */
.demos-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 60px;
}

.demos-hero-content {
  position: relative;
  z-index: 1;
}

.demos-hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-top: 12px;
}

/* Filter bar */
.filter-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--accent-border);
  padding: 16px 0;
  position: sticky;
  top: 70px;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.filter-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-tab {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  border-radius: 50px;
  padding: 10px 24px;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* Demo grid */
.demos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* Demo cards */
.demo-card {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

.demo-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-4px);
  color: inherit;
}

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

/* Badge */
.demo-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 50px;
}

.video-badge {
  background: #a855f7;
}

.repo-badge {
  background: #10b981;
}

/* Icon */
.demo-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

/* Card content */
.demo-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.demo-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
}

/* Tags */
.demo-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.demo-card-tags span {
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 50px;
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
}

/* Link text */
.demo-card-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: all var(--transition);
}

.demo-card:hover .demo-card-link {
  letter-spacing: 0.5px;
}

/* Video cards */
.video-embed {
  margin-bottom: 16px;
  border-radius: 8px;
  overflow: hidden;
}

.video-embed iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 8px;
}

.video-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-card-hover) 100%);
  border: 1px dashed var(--accent-border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.play-button {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  transition: all var(--transition);
}

.demo-card:hover .play-button {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

.video-placeholder p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
  .demos-grid {
    grid-template-columns: 1fr;
  }

  .demos-hero {
    min-height: 40vh;
    padding: 100px 20px 40px;
  }

  .filter-tabs {
    gap: 8px;
  }

  .filter-tab {
    padding: 8px 18px;
    font-size: 0.8rem;
  }
}