/* ==========================================================================
   4. Header & Navigation (Medium-High Specificity)
   ========================================================================== */

/* Site header */
.site-header {
    border-bottom: 1px solid var(--border-primary);
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
    padding: 4px 0;
    padding-bottom: 5px !important;
    transition: background-color var(--default-transition-duration) var(--default-transition-timing-function), border-color var(--default-transition-duration) var(--default-transition-timing-function);
}

/* 메인 네비게이션 */
.main-navigation .main-nav > ul > li {
    margin-left: 2.5px;
    margin-right: 2.5px;
}

.main-navigation .main-nav ul li a {
    font-family: 'Spoqa Han Sans Neo', 'sans-serif';
    font-weight: 500;
    font-size: 16px;
    letter-spacing: -0.02em;
    transition: color var(--default-transition-duration) var(--default-transition-timing-function), background-color var(--default-transition-duration) var(--default-transition-timing-function);
}

/* 드롭다운 메뉴 배경 */
.main-navigation .main-nav ul ul {
    background-color: #fff;
    border: 1px solid #eaeaea;
    border-radius: 5px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

.main-navigation .main-nav ul li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation .main-nav ul ul li a {
    color: #000000 !important;
    padding: 12px 20px;
    font-size: 15px;
    border-bottom: 1px solid #f2f2f2;
}

.main-navigation .main-nav ul ul li:last-child a {
    border-bottom: none;
}

.main-navigation .main-nav ul ul li a {
    transition: color 0.3s ease;
}

.main-navigation .main-nav ul ul li a:hover {
    color: #007BFF !important;
    background-color: transparent !important;
}

/* 모바일 메뉴 토글 버튼 */
.menu-toggle, .menu-toggle span, .menu-toggle::before, .menu-toggle::after, .menu-toggle .gp-icon, .menu-toggle .gp-icon svg path {
    transition: color var(--default-transition-duration) var(--default-transition-timing-function), background-color var(--default-transition-duration) var(--default-transition-timing-function), fill var(--default-transition-duration) var(--default-transition-timing-function);
}

/* Mobile Menu Toggle Background Fix */
.menu-toggle {
    background-color: transparent !important; /* 기본 배경 투명 */
    border: none !important; /* 테두리 제거 */
    padding: 8px !important; /* 적절한 패딩 유지 */
}

.menu-toggle:hover,
.menu-toggle:focus {
    background-color: rgba(255, 255, 255, 0.1) !important; /* 호버 시 약간의 배경 표시 (선택 사항) */
}

/* Ensure GeneratePress icon itself is not adding a background */
.menu-toggle .gp-icon {
    background-color: transparent !important;
}

.site-header .main-title a {
    font-family: var(--font-title-logo);
    font-size: 22px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #2D3748;
    text-decoration: none;
    padding: 12px 16px;
    transition: transform 0.3s ease, color 0.3s ease, text-shadow 0.3s ease;
    position: relative;
}

.site-header .main-title a:hover {
    color: #000000;
    transform: translateY(-2px);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.site-header .main-title a:active {
    transform: translateY(0px);
    transition-duration: 0.1s;
}