/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Full viewport, no scroll */
html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background-color: #1a1a1a;
}

/* Flags container - fills viewport with margin */
.flags-container {
  height: 100%;
  padding: 2rem;
  display: flex;
  gap: 2rem;
}

/* Each flag takes equal width */
.flag {
  flex: 1;
  display: flex;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Each stripe fills available height, equal width within flag */
.stripe {
  flex: 1;
  height: 100%;
}

/* Overlay box with text */
.overlay-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #1a1a1a;
  height: 25vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.overlay-box h1 {
  color: #fff;
  font-size: min(8vw, 20vh);
  font-weight: 700;
  text-align: center;
  margin: 0;
  padding: 0 1rem;
  white-space: nowrap;
  max-width: 100%;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .flags-container {
    padding: 1rem;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .flags-container {
    padding: 0.5rem;
    gap: 0.5rem;
  }
}