/* ==== 새로운 헤더 스타일 ==== */

/* 반응형 관련 규칙은 site-responsive.css에서 관리합니다. */

/* 사이트 헤더 */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-light);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 calc(var(--spacing-md) + var(--spacing-xl));
    height: 70px;
}

.header-brand {
    --brand-logo-height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.header-brand .brand-link {
    display: inline-flex;
    align-items: center;
}

.brand-link {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.header-brand .brand-logo {
    width: auto;
    display: block;
}

.brand-link:hover {
    color: #0052A3;
}

/* 데스크톱 네비게이션 재정의 */
.site-header .main-nav {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    overflow: visible;
}

.site-header .nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.site-header .nav-item {
    position: relative;
}

.site-header .nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-dark);
    text-decoration: none;
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-body);
    transition: var(--transition-fast);
    border-radius: 0;
}

.site-header .nav-link:hover,
.site-header .nav-item.active .nav-link {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* 드롭다운 메뉴 재정의 */
.site-header .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-light);
    border-radius: 0;
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    z-index: 1001;
}

.site-header .nav-item.dropdown:hover .dropdown-menu,
.site-header .nav-item.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-header .dropdown-menu li {
    margin: 0;
}

.site-header .dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-dark);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: var(--font-size-body);
}

.site-header .dropdown-menu a:hover {
    background-color: var(--color-light);
    color: var(--color-primary);
}

/* 모바일 햄버거 메뉴 버튼 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1002;
    transition: var(--transition-fast);
}

/* 데스크톱에서는 모바일 메뉴 버튼 숨김 */

.hamburger-line {
    width: 20px;
    height: 2px;
    background-color: var(--color-dark);
    margin: 2px 0;
    transition: var(--transition-fast);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 모바일 메뉴 오버레이 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 모바일 메뉴 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background-color: var(--color-white);
    z-index: 1001;
    transition: var(--transition-normal);
    overflow-y: auto;
    border-left: 1px solid var(--color-light);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-light);
    background-color: var(--color-primary);
    color: var(--color-white);
}

.mobile-brand {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
}

.mobile-brand a {
    color: var(--color-white);
    text-decoration: none;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.mobile-menu-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu-item {
    border-bottom: 1px solid var(--color-light);
}

.mobile-menu-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--color-dark);
    text-decoration: none;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-normal);
    transition: var(--transition-fast);
    position: relative;
}

.mobile-menu-link:hover {
    background-color: var(--color-light);
    color: var(--color-primary);
}

.mobile-menu-item.has-submenu .mobile-menu-link::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-fast);
}

.mobile-menu-item.has-submenu.active .mobile-menu-link::after {
    content: '−';
}

/* 모바일 서브메뉴 */
.mobile-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    background-color: var(--color-light);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease;
}

.mobile-submenu.active {
    max-height: 300px;
}

.mobile-submenu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-submenu li:last-child {
    border-bottom: none;
}

.mobile-submenu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-xl);
    color: var(--color-dark);
    text-decoration: none;
    font-size: var(--font-size-small);
    transition: var(--transition-fast);
}

.mobile-submenu a:hover {
    background-color: rgba(0, 154, 213, 0.1);
    color: var(--color-primary);
}

/* 히어로 섹션 */
.hero-section {
    position: relative;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: 0 var(--spacing-md);
}

/* 브레드크럼 */
.breadcrumb {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-body);
}

.breadcrumb a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.8);
}

.hero-title {
    font-size: var(--font-size-display);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin: 0;
}

/* body에 mobile-menu-open 클래스가 있을 때 스크롤 방지 */
body.mobile-menu-open {
    overflow: hidden;
}

/* 반응형 스타일 */