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

body {
  margin: 0;
  height: 100vh;
  background: #000;
  color: #fff;
  font-family: Arial, sans-serif;
}

.main_video {
  /* center and scale */
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  /* amount of space left around the video (increase to scale down) */
  --video-margin: 80px; /* total margin subtracted from both width and height */

  width: calc(100vw - var(--video-margin));
  height: calc(100vh - var(--video-margin));

  /* border / rounding / overlay variables */
  --round-size: 18px;
  --overlay-gradient: linear-gradient(180deg, rgba(0,0,0,0.48) 0%, rgba(0,0,0,0.18) 40%, rgba(0,0,0,0) 70%);
  --video-shadow: 0 20px 40px rgba(0,0,0,0.6);

  border-radius: var(--round-size);
  overflow: hidden;
  background: transparent;
  box-shadow: var(--video-shadow);
  z-index: 0;
}

/* subtle gradient overlay placed above the video but below the border */
.main_video::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--overlay-gradient);
  z-index: 1; /* above video */
}

/* border overlay that follows the same radius */
.main_video::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: var(--video-border-size) solid var(--video-border-color);
  border-radius: inherit;
  z-index: 3; /* sits above the overlay */
}

/* Video itself fills the container and preserves aspect ratio */
.main_video video {
  position: relative;
  z-index: 0; /* below the overlay */
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Hero text overlay */
.main_video .main_title {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  z-index: 4; /* above overlays */
  pointer-events: none; /* allow clicks to pass through */
}

.main_video .main_title .content {
  max-width: 90%;
}

.main_video .main_title h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(28px, 6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-shadow: 0 12px 30px rgba(0,0,0,0.65);
}

.main_video .main_title p {
  margin: 0.6rem 0 0;
  color: rgba(255,255,255,0.9);
  font-size: clamp(14px, 2.5vw, 20px);
  text-shadow: 0 8px 18px rgba(0,0,0,0.55);
}