/**
 * Etch a Sketch Casing Styles
 * Defines the physical ruby-red toy casing, gold brand banner, and layout grid.
 */

.main-content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.etch-casing {
  background: linear-gradient(160deg, var(--casing-grad-top), var(--casing-grad-bottom));
  border: 4px solid var(--casing-border);
  border-radius: 36px;
  padding: 2rem 2.5rem 1.5rem 2.5rem;
  box-shadow: 
    0 25px 50px -12px var(--casing-shadow),
    inset 0 4px 6px var(--casing-highlight),
    inset 0 -8px 12px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 1100px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.casing-banner {
  text-align: center;
  font-family: var(--font-brand);
  font-size: 1.75rem;
  color: #ffffff;
  letter-spacing: 3px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(0, 0, 0, 0.15);
}

.gold-text {
  color: var(--text-gold);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.casing-body {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  align-items: start;
}