/* === pages/brand-film.css ===
   브랜드필름 포트폴리오 페이지(brand-film.html) 전용 스타일
   가로형(16:9) 그리드, 세로형 숏폼(9:16) 그리드, 페이지네이션, 영상 모달
   hospital-marketing.html의 "병원 브랜드필름" 섹션도 video-card/video-grid/video-modal을 그대로 재사용한다.
========================================= */

/* ==========================================
   섹션 헤더
========================================== */

.video-section__kicker {
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.video-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

@media (min-width: 1024px) {
  .video-section__title {
    font-size: var(--text-4xl);
  }
}

.video-section__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.video-section__desc:empty {
  display: none;
}

.video-section--tint {
  background-color: var(--color-bg-secondary);
}

/* ==========================================
   영상 그리드 (가로형 기본 / 세로형 모디파이어)
========================================== */

.video-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .video-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* ==========================================
   숏폼 자동 슬라이드 마퀴
========================================== */

.video-marquee {
  width: 100%;
  overflow: hidden;
  padding: var(--space-2) 0;
  mask-image: linear-gradient(to right, transparent 0, black 80px, black calc(100% - 80px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 80px, black calc(100% - 80px), transparent 100%);
}

.video-marquee__track {
  display: flex;
  width: max-content;
  list-style: none;
  margin: 0;
  padding: 0 var(--space-6);
  gap: var(--space-5);
  animation: video-marquee-scroll linear infinite;
  animation-duration: var(--marquee-duration, 40s);
}

.video-marquee:hover .video-marquee__track,
.video-marquee:focus-within .video-marquee__track {
  animation-play-state: paused;
}

@keyframes video-marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.video-card {
  display: block;
  width: 100%;
  text-align: left;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
}

.video-card:hover,
.video-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.video-card__thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
  margin-bottom: var(--space-3);
}

.video-card--vertical {
  flex-shrink: 0;
  width: 190px;
}

.video-card--vertical .video-card__thumb {
  aspect-ratio: 9 / 16;
}

@media (min-width: 768px) {
  .video-card--vertical {
    width: 230px;
  }
}

.video-card[aria-hidden='true'] {
  pointer-events: none;
}

.video-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-card__play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-full);
  color: var(--color-primary-dark);
  pointer-events: none;
  transition: transform var(--transition-fast);
}

.video-card:hover .video-card__play,
.video-card:focus-visible .video-card__play {
  transform: scale(1.1);
}

.video-card__play svg {
  width: 20px;
  height: 20px;
}

.video-card__category {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-1);
}

.video-card__title {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.video-card__date {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* --- 페이지네이션 --- */

.video-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.video-pagination__btn {
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.video-pagination__btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.video-pagination__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.video-pagination__btn.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================
   영상 모달 (가로형 16:9 / 세로형 9:16 전환)
========================================== */

.video-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background-color: rgba(17, 17, 17, 0.85);
  overflow-y: auto;
}

.video-modal[hidden] {
  display: none;
}

.video-modal__frame {
  width: min(90vw, 60rem);
  aspect-ratio: 16 / 9;
  margin: auto;
  background-color: var(--color-gray-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.video-modal[data-format='vertical'] .video-modal__frame {
  width: min(90vw, 22rem);
  aspect-ratio: 9 / 16;
}

.video-modal__frame iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

.video-modal__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--text-sm);
}

.video-modal__close {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-toast);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border: 0;
  border-radius: var(--radius-full);
  font-size: var(--text-2xl);
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.video-modal__close:hover {
  background-color: var(--color-white);
  transform: rotate(90deg);
}

/* ==========================================
   병원 브랜드필름 슬라이드쇼 (hospital-marketing.html)
   .banner-slider__viewport/__track/__slide/__indicators(components.css)를
   modules/banner-slider.js의 initSliderController()로 재사용한다.
========================================== */

.film-slider {
  margin-top: var(--space-8);
}

.film-slide__btn {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.film-slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 17, 17, 0.75) 0%, rgba(17, 17, 17, 0) 45%);
}

.film-slide__play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-full);
  color: var(--color-primary-dark);
  transition: transform var(--transition-fast);
}

.film-slide__btn:hover .film-slide__play,
.film-slide__btn:focus-visible .film-slide__play {
  transform: scale(1.1);
}

.film-slide__play svg {
  width: 26px;
  height: 26px;
}

.film-slide__caption {
  position: absolute;
  left: var(--space-6);
  bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: left;
}

.film-slide__category {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  opacity: 0.85;
}

.film-slide__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}

@media (min-width: 768px) {
  .film-slide__title {
    font-size: var(--text-xl);
  }
}