:root {
  --pf-primary: #1e4d8c;
  --pf-accent: #0d9488;
  --pf-bg: #f1f5f9;
  --pf-surface: #ffffff;
  --pf-muted: #64748b;
  --pf-border: #e2e8f0;
  --pf-dark: #0f172a;
  --pf-radius: 0.75rem;
  --pf-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

body.pf-page {
  background: var(--pf-bg);
  color: var(--pf-dark);
}

.pf-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e4d8c 100%);
  color: #fff;
  padding: 3rem 0 3.5rem;
}

.pf-hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.pf-hero-lead {
  color: rgba(255, 255, 255, 0.88);
  max-width: 38rem;
  margin-bottom: 1.5rem;
}

.pf-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 2rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  margin: 0.2rem;
}

.pf-section {
  padding: 3rem 0;
}

.pf-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.pf-section-sub {
  color: var(--pf-muted);
  margin-bottom: 1.5rem;
}

.pf-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.pf-filter-btn {
  border: 1px solid var(--pf-border);
  background: var(--pf-surface);
  color: var(--pf-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pf-filter-btn:hover {
  border-color: var(--pf-primary);
  color: var(--pf-primary);
}

.pf-filter-btn.active {
  background: var(--pf-primary);
  border-color: var(--pf-primary);
  color: #fff;
}

.pf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.25rem;
}

.pf-card {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}

.pf-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--pf-shadow);
}

.pf-card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #e2e8f0;
  overflow: hidden;
}

.pf-card-thumb img,
.pf-card-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pf-card-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
  opacity: 0;
  transition: opacity 0.2s;
}

.pf-card[data-has-demo="true"]:hover .pf-card-play {
  opacity: 1;
}

.pf-card-play span {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--pf-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.pf-card-body {
  padding: 1rem 1.1rem 1.15rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pf-card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pf-accent);
  margin-bottom: 0.35rem;
}

.pf-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.pf-card p {
  font-size: 0.85rem;
  color: var(--pf-muted);
  margin-bottom: 0.75rem;
  flex: 1;
}

.pf-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.pf-card-tags span {
  font-size: 0.7rem;
  background: #f1f5f9;
  color: var(--pf-muted);
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
}

.pf-card-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pf-cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1rem;
}

.pf-cap-card {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  padding: 1.15rem;
}

.pf-cap-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.pf-cap-card p {
  font-size: 0.82rem;
  color: var(--pf-muted);
  margin: 0;
}

.pf-cta {
  background: linear-gradient(135deg, var(--pf-primary), #1e3a5f);
  color: #fff;
  border-radius: var(--pf-radius);
  padding: 2.5rem 2rem;
  text-align: center;
}

.pf-modal .modal-content {
  border: none;
  border-radius: var(--pf-radius);
  overflow: hidden;
}

.pf-modal .modal-header {
  background: var(--pf-dark);
  color: #fff;
  border: none;
}

.pf-modal .btn-close {
  filter: invert(1);
}

.pf-viewer {
  background: #0f172a;
  min-height: 24rem;
}

.pf-viewer iframe,
.pf-viewer video {
  width: 100%;
  height: min(75vh, 42rem);
  border: 0;
  display: block;
  background: #000;
}

.pf-viewer img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  background: #fff;
}

.pf-empty {
  text-align: center;
  color: var(--pf-muted);
  padding: 3rem 1rem;
  display: none;
}

.pf-empty.show {
  display: block;
}

.fade-in-section {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}