/* ===== Main / Hero ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.video-bg {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  overflow: hidden;
}

.video-bg iframe {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 177.77vh;       /* 16:9 keeps height as base */
  min-width: 100vw;
  height: 56.25vw;       /* 16:9 keeps width as base */
  min-height: 100vh;
  border: 0;
  pointer-events: none;
}

/* Subtle vignette for nav legibility */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg,
      rgba(0,0,0,0.35) 0%,
      transparent 22%,
      transparent 75%,
      rgba(0,0,0,0.55) 100%);
  pointer-events: none;
  z-index: 2;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 3;
  color: rgba(255,255,255,0.7);
}
.scroll-hint .line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.7));
  animation: scrollLine 2.4s ease-in-out infinite;
}
.scroll-hint .label {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0.2); transform-origin: top; opacity: 0.4; }
  50%  { transform: scaleY(1);   transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1);   transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0.2); transform-origin: bottom; opacity: 0.4; }
}

@media (max-width: 900px) {
  .scroll-hint { bottom: 24px; }
  .scroll-hint .line { height: 36px; }
}