*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background: #000000;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.video-mask-container {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.text-mask-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Pure black background with white text, utilizing multiply blend mode, completely reveals the video purely inside the text strokes */
  background: #000000;
  color: #ffffff;
  mix-blend-mode: multiply;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.text-mask-layer h1 {
  font-size: clamp(4rem, 12vw, 15rem);
  font-weight: 900;
  line-height: 0.9;
  margin: 0;
  letter-spacing: -2px;
  text-transform: uppercase;
}