/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.5rem; border-radius: calc(var(--radius) - 2px);
  font-size: .9rem; font-weight: 500; transition: var(--transition-smooth);
  cursor: pointer; border: none; text-decoration: none;
}
.btn i { width: 1rem; height: 1rem; }

.btn-hero {
  background: var(--primary); color: var(--primary-foreground); box-shadow: var(--shadow-soft);
}
.btn-hero:hover { background: hsl(203 89% 48%); transform: translateY(-2px); box-shadow: 0 8px 25px -6px hsl(203 89% 53% / .3); }

.btn-elegant {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: #fff;
}
.btn-elegant:hover { background: rgba(255,255,255,.2); }

.btn-full { width: 100%; padding: 1rem 1.5rem; font-size: 1rem; }

/* ========== Language Button ========== */
.lang-btn {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.8);
  color: #222;
  font-weight: 600;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: 0 3px 8px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

.lang-btn:hover {
  background: #fff;
  transform: scale(1.05);
  box-shadow: 0 5px 14px rgba(0,0,0,0.25);
}