/* --- Hero Adjustments --- */
.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
}
.hero-tagline {
  letter-spacing: 0.18em;
}

/* --- Portfolio Section --- */
.portfolio-section {
  padding: 80px 20px;
}
.portfolio-category {
  max-width: 1140px;
  margin: 0 auto 80px;
}
.category-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px;
}
.category-header h2 {
  font-size: clamp(1.8rem, 4vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}
.category-header p {
  color: var(--text-muted);
  line-height: 1.7;
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}
.video-grid.vertical {
  grid-template-columns: repeat(4, 1fr);
}
.video-item {
  border-radius: var(--radius);
  overflow: hidden;
}
.video-item iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 16/9;
}
.video-grid.vertical .video-item iframe {
  aspect-ratio: 9/16;
}

.video-grid.horizontal .video-item {
  grid-column: span 1;
}
.video-grid.horizontal .video-item--wide {
  grid-column: 1 / -1;
}
.video-grid.horizontal .video-item--wide iframe {
  width: 100%;
  height: auto;
  display: block;
}

.post-tabs-cta {
  text-align: center;
  padding: 0 20px 80px;
  max-width: 1140px;
  margin: 0 auto;
}
.post-tabs-cta p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 40px;
}
.post-tabs-cta h3 {
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 25px;
}
.btn {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--text-color);
  padding: 12px 28px;
  border-radius: 4px;
  font-weight: 600;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  color: var(--text-color);
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--text-color);
  transition: left 0.35s var(--ease-out-cubic);
  z-index: -1;
}
.btn:hover,
.btn:active,
.btn:focus {
  color: var(--bg-color);
  transform: translateY(-2px);
}
.btn:hover::before {
  left: 0;
}

@media (max-width: 992px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
  .video-grid.vertical {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .video-grid.vertical {
    grid-template-columns: 1fr;
  }
}