/* ======== BUTTONS ======== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 80px rgba(254, 0, 0, 0.5);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--white-40);
}

.btn--outline:hover {
  background: var(--white-10);
  border-color: var(--white-60);
}

.btn--glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--white);
  border: 1px solid var(--white-20);
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.2s ease;
}

.btn--glass:hover {
  background: rgba(254, 0, 0, 0.15);
  border-color: var(--red-accent);
  box-shadow:
    0 0 20px rgba(254, 0, 0, 0.25),
    0 0 40px rgba(254, 0, 0, 0.15);
  transform: translateY(-1px);
}

.btn--glass:active {
  transform: translateY(0);
  box-shadow: 0 0 15px rgba(254, 0, 0, 0.2);
}

.btn--lg {
  padding: var(--space-6) var(--space-10);
  font-size: 1rem;
}

.btn--cta {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--red-accent) 0%, #cc0000 100%);
  border: none;
  box-shadow:
    0 4px 20px rgba(254, 0, 0, 0.4),
    0 0 40px rgba(254, 0, 0, 0.2);
  transition: all var(--transition-base);
}

.btn--cta:hover {
  transform: translateY(-2px);
  box-shadow:
    0 6px 30px rgba(254, 0, 0, 0.5),
    0 0 60px rgba(254, 0, 0, 0.3);
}