.explainer-section {
  background: #001024;
  min-height: 100vh;
  min-height: 100dvh;
  padding: clamp(48px, 7vw, 88px) clamp(16px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.explainer-inner {
  width: min(1404px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
}

.explainer-section h2 {
  margin: 0;
  max-width: 18em;
  text-align: center;
  color: #fff;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.07;
}

.explainer-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(140, 190, 255, 0.18);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.38);
}

.explainer-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.explainer-play {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(0, 8, 20, 0.18);
  color: #fff;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.explainer-play-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(0, 16, 36, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 8px rgba(0, 179, 255, 0.14), 0 10px 28px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.explainer-play-icon svg {
  display: block;
  margin-left: 4px;
}

.explainer-play:hover .explainer-play-icon,
.explainer-play:focus-visible .explainer-play-icon {
  transform: scale(1.06);
  background: rgba(1, 33, 68, 0.78);
  box-shadow: 0 0 0 10px rgba(0, 179, 255, 0.22), 0 12px 32px rgba(0, 0, 0, 0.4);
}

.explainer-play:focus-visible {
  outline: none;
}

.explainer-play:focus-visible .explainer-play-icon {
  box-shadow: 0 0 0 4px #001024, 0 0 0 7px #00b3ff;
}

.explainer-player.is-playing .explainer-play {
  display: none;
}

@media (max-width: 600px) {
  .explainer-section {
    min-height: 0;
    padding: 72px 12px 80px;
  }

  .explainer-player {
    border-radius: 12px;
  }

  .explainer-play-icon {
    width: 64px;
    height: 64px;
  }

  .explainer-play-icon svg {
    width: 24px;
    height: 24px;
  }
}