:root {
  color-scheme: dark;
  --ink: #f4fff5;
  --mint: #9affc5;
  --glass: rgba(4, 13, 12, 0.58);
  --line: rgba(154, 255, 197, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #061312;
  font-family: Bahnschrift, "Segoe UI", sans-serif;
}

.stage {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 12% 90%, rgba(40, 154, 91, 0.38), transparent 38%),
    radial-gradient(circle at 88% 12%, rgba(64, 177, 204, 0.32), transparent 36%),
    linear-gradient(135deg, #051312, #0a2118 48%, #12241b);
}

.video {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: 100vh;
  object-fit: contain;
  background: #020605;
}

.hud {
  position: fixed;
  left: clamp(16px, 4vw, 72px);
  bottom: clamp(16px, 4vw, 64px);
  max-width: min(560px, calc(100vw - 32px));
  padding: 22px 24px;
  color: var(--ink);
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(16px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.stage:has(.video:hover) .hud,
.hud:hover {
  opacity: 1;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--mint);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 0.95;
}

.hud p:last-of-type {
  margin: 14px 0 18px;
  color: rgba(244, 255, 245, 0.84);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  color: #03100b;
  background: linear-gradient(135deg, #9affc5, #f2d66a);
  font: 700 1rem Bahnschrift, "Segoe UI", sans-serif;
  cursor: pointer;
}

button:focus-visible {
  outline: 3px solid white;
  outline-offset: 4px;
}

@media (max-width: 720px) {
  .hud {
    right: 16px;
  }
}