/* 공통 부품: 버튼 · 텍스트 링크 · 섹션 제목 · 빨간 선 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px var(--space-6);
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: 0.075em;
  text-decoration: none;
  background: transparent;
  transition: background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn svg { flex-shrink: 0; }
.btn-ghost { color: var(--text-primary); }
.btn-ghost-light { color: var(--text-inverse); }
.btn-block { display: flex; width: 100%; }

.link-red {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.075em;
  color: var(--accent);
  text-decoration: none;
}

.section-title { color: var(--text-primary); }
.rule { width: 48px; height: 3px; background: var(--accent-bright); margin-top: 18px; }

/* 호버 효과는 css/motion.css에서 한곳으로 관리 */