/* LUWEI SYSTEM Base Styles */
:root {
  --lu-font-kr: 'Noto Sans KR', system-ui;
  --lu-font-en: 'Cormorant Garamond', serif;
  --lu-gray: rgba(200, 200, 200, 0.3);
  --lu-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  --lu-bg: #fff;
  --lu-text: #111;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--lu-font-kr);
  background: var(--lu-bg);
  color: var(--lu-text);
  overflow-x: hidden;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--lu-gray);
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
  font-family: var(--lu-font-kr);
  transition: all 0.2s ease;
  box-shadow: var(--lu-shadow);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
}

.btn:active {
  transform: translateY(0);
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }
}