/* SSI Endoskeleton — Button Module: Rect-Solid (v5.0)
   Scharfes Rechteck solid fill. Uppercase letter-spaced. Survival-primary. */
.btn {
  border-radius: 0;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.95rem 2.5rem;
  font-size: 0.8rem;
  box-shadow: none;
  border: none;
  transition:
    background 0.18s ease,
    transform 0.18s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: none;
}
.btn-outline,
.btn-secondary,
.btn-ghost {
  border-radius: 0;
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(var(--primary-rgb), 0.45);
}
.btn-outline:hover,
.btn-secondary:hover,
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
/* Hero contrast: dark backgrounds — white text/border */
.hero--image:not(.hero--split) .btn-outline,
.hero--image:not(.hero--split) .btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}
/* Veil hero: light overlay — keep dark text */
.hero--veil .btn-outline,
.hero--veil .btn-ghost {
  border-color: rgba(0, 0, 0, 0.25);
  color: var(--text);
}