/* ============================================
   청율산후조리원 - 헤더 스타일
   Header Component Styles

   수정 가이드:
   - 로고 크기: .header__logo 의 font-size 수정
   - 네비게이션 간격: .header__nav 의 gap 수정
   - 헤더 배경: .header 의 background 수정
============================================ */

/* ========== 헤더 기본 스타일 ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  background-color: transparent;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--transition-normal), background-color var(--transition-normal);
}

/* 스크롤 시 그림자 추가 */
.header.scrolled {
  box-shadow: var(--shadow-md);
}

/* 모바일 메뉴 열림 시 헤더 배경 흰색 */
.header.menu-open {
  background-color: #FFFFFF;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ========== 로고 영역 ========== */
.header__logo {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
}

.header__logo-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-gray);
  margin-bottom: 2px;
}

.header__logo-img {
  height: 32px;
  width: auto;
}

/* ========== 네비게이션 ========== */
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-gray);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 100%;
}

/* ========== 연락처 영역 ========== */
.header__contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__tel {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-dark);
}

.header__tel:hover {
  color: var(--color-primary);
}

.header__cta {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.header__cta:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ========== 모바일 메뉴 버튼 ========== */
.header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  padding: 4px;
  cursor: pointer;
}

.header__menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text-dark);
  margin: 2px 0;
  transition: all var(--transition-fast);
}

/* 메뉴 열림 상태 */
.header__menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.header__menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ========== 모바일 네비게이션 ========== */
.header__mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(100vh - var(--header-height));
  background-color: #FFFFFF;
  padding: var(--spacing-lg);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.header__mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.header__mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.header__mobile-nav-link {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-dark);
  padding: var(--spacing-md) 0;
}

.header__mobile-nav-link.active {
  color: var(--color-primary);
}

.header__mobile-tel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-md);
  font-weight: 600;
}

/* ========== 반응형 ========== */
@media (max-width: 1024px) {
  .header__nav {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .header__nav,
  .header__contact {
    display: none;
  }

  .header__menu-btn {
    display: flex;
  }

  .header__mobile-nav {
    display: block;
  }
}