.vs-course-video-section {
  position: relative;
  overflow: hidden;
  padding: 52px 24px 32px;
  background:
    radial-gradient(circle at 12% 18%, rgba(83, 185, 255, 0.16), transparent 28%),
    radial-gradient(circle at 88% 82%, rgba(255, 107, 0, 0.12), transparent 30%),
    linear-gradient(180deg, #fff 0%, #f0f7ff 100%);
}

.vs-course-video-container {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.vs-course-video-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
  color: #2e357f;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.vs-course-video-label::before,
.vs-course-video-label::after {
  width: 42px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #53b9ff, #ff6b00);
  content: "";
}

.vs-course-video-player {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  padding: 0;
  border: 4px solid #fff;
  border-radius: 30px;
  background: #17205e;
  box-shadow: 0 24px 64px rgba(46, 53, 127, 0.2);
  cursor: pointer;
  isolation: isolate;
}

.vs-course-video-player img,
.vs-course-video-player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.vs-course-video-player img {
  transition: transform 0.55s ease, filter 0.35s ease;
}

.vs-course-video-player::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(12, 19, 67, 0.02) 38%, rgba(12, 19, 67, 0.58) 100%);
  content: "";
  transition: background 0.35s ease;
}

.vs-course-video-player:hover img {
  transform: scale(1.025);
  filter: saturate(1.08);
}

.vs-course-video-player:hover::after {
  background: linear-gradient(180deg, rgba(12, 19, 67, 0.08) 30%, rgba(12, 19, 67, 0.66) 100%);
}

.vs-course-video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  border: 5px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: linear-gradient(135deg, #ff7b2e, #ff4d2e);
  box-shadow: 0 14px 34px rgba(255, 77, 46, 0.38);
  color: #fff;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.vs-course-video-player:hover .vs-course-video-play {
  box-shadow: 0 18px 42px rgba(255, 77, 46, 0.52);
  transform: translate(-50%, -50%) scale(1.08);
}

.vs-course-video-play svg {
  width: 34px;
  height: 34px;
  margin-left: 5px;
  fill: currentColor;
}

.vs-course-video-hint {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  z-index: 2;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-align: center;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.vs-course-video-player:focus-visible {
  outline: 4px solid #ffb35c;
  outline-offset: 5px;
}

.vs-course-video-player.is-playing {
  cursor: default;
}

.vs-course-video-player.is-playing::after,
.vs-course-video-player.is-playing .vs-course-video-play,
.vs-course-video-player.is-playing .vs-course-video-hint,
.vs-course-video-player.is-playing img {
  display: none;
}

@media (max-width: 767px) {
  .vs-course-video-section {
    padding: 34px 16px 18px;
  }

  .vs-course-video-label {
    margin-bottom: 14px;
    font-size: 11px;
    letter-spacing: 0.09em;
  }

  .vs-course-video-label::before,
  .vs-course-video-label::after {
    width: 24px;
  }

  .vs-course-video-player {
    border-width: 3px;
    border-radius: 20px;
    box-shadow: 0 15px 38px rgba(46, 53, 127, 0.18);
  }

  .vs-course-video-play {
    width: 62px;
    height: 62px;
    border-width: 4px;
  }

  .vs-course-video-play svg {
    width: 25px;
    height: 25px;
  }

  .vs-course-video-hint {
    right: 12px;
    bottom: 12px;
    left: 12px;
    font-size: 13px;
  }
}