html,
body {
  margin: 0;
  padding: 0;
  /* overflow: hidden; */
  background: rgb(255, 255, 255);
}

/* ===== Red-Orange Squares Intro ===== */
#intro-grid {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(6, 1fr);
  z-index: 1000;
}

.square {
  background: #ff4b33;
  box-shadow: 0 0 30px rgba(255, 80, 0, 0.4);
  border: 1px solid rgba(255, 100, 0, 0.1);
  opacity: 1;
}

/* Default (desktop) */
#intro-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(6, 1fr);
}

#hero video {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: 100%;
  height: auto;
  z-index: -1;
  object-fit: cover;
}

/* Tablet landscape */
@media (max-width: 1024px) {
  #intro-grid {
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(6, 1fr);
  }
}

/* Mobile portrait */
@media (max-width: 768px) {
  #intro-grid {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(9, 1fr);
  }
}

/* Very small phones */
@media (max-width: 480px) {
  #intro-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(10, 1fr);
  }
}