.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 0 30px var(--red-glow);
}

.btn-primary:hover {
  background: var(--red-bright);
  box-shadow: 0 0 50px var(--red-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-2px);
}

.btn-large { padding: 18px 42px; font-size: 0.88rem; }