/* 메가메뉴 스타일 */
header {
    position: relative !important;
}

.nav {
    position: relative !important;
}

.nav ul {
    position: relative !important;
}

.nav li.has-submenu-mega {
    position: static !important;
}

/* 통합 메가메뉴 */
.mega-submenu-all {
    display: block !important; /* 항상 block 유지 */
    position: absolute !important;
    left: 0 !important;
    right: 0 !important;
    top: 37px !important;
    width: 100vmax !important;
    background: #ffffff !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04) !important;
    backdrop-filter: blur(10px) !important;
    z-index: 9999 !important;

    /* --- 애니메이션 핵심 --- */
    opacity: 0 !important;           /* 투명하게 */
    visibility: hidden !important;  /* 클릭 안 되게 */
    transform: translateY(-20px) !important; /* 위로 20px 올려둠 */
    transition: transform 0.4s ease, opacity 0.4s ease !important; /* 부드러운 하강 효과 */
    pointer-events: none !important;
}

.nav:hover + .mega-submenu-all,
.mega-submenu-all:hover,
.header-container:hover .mega-submenu-all {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
}

.mega-submenu-all .mega-submenu-container {
    display: flex !important;
    justify-content: flex-start !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-right: 120px !important;
    padding-bottom: 48px !important;
    /* padding-left는 JavaScript로 동적 설정 */
    min-height: auto !important;
    gap: 8px !important;
}

.mega-submenu-column {
    width: clamp(5.5555555556rem, 8.5260vw, 142px) !important;
    flex-shrink: 0 !important;
    text-align: center !important;
    position: relative !important;
}

/* 컬럼 구분선 (마지막 제외) */
.mega-submenu-column:not(:last-child)::after {
    content: '' !important;
    position: absolute !important;
    right: -10px !important;
    top: 0 !important;
    bottom: 0 !important;
    width: 1px !important;
    background: linear-gradient(180deg, 
        transparent 0%, 
        rgba(0, 0, 0, 0.06) 20%, 
        rgba(0, 0, 0, 0.06) 80%, 
        transparent 100%) !important;
}

.mega-submenu-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.mega-submenu-list li {
    width: 100% !important;
}

.mega-submenu-list li a {
    display: block !important;
    padding: 14px 18px !important;
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    border-radius: 8px !important;
    position: relative !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    white-space: normal !important;
    word-break: keep-all !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

/* 호버 시 좌측 강조 바 */
.mega-submenu-list li a::before {
    content: '' !important;
    position: absolute !important;
    left: 0 !important;
    top: 50% !important;
    transform: translateY(-50%) scaleY(0) !important;
    width: 3px !important;
    height: 50% !important;
    background: linear-gradient(180deg, #007bff 0%, #0056b3 100%) !important;
    border-radius: 0 3px 3px 0 !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.mega-submenu-list li a:hover {
    background: linear-gradient(90deg, 
        rgba(0, 123, 255, 0.04) 0%, 
        rgba(0, 123, 255, 0.02) 50%,
        transparent 100%) !important;
    color: #007bff !important;
    padding-left: 24px !important;
    transform: translateX(2px) !important;
}

.mega-submenu-list li a:hover::before {
    transform: translateY(-50%) scaleY(1) !important;
}

/* 클릭 시 애니메이션 */
.mega-submenu-list li a:active {
    transform: translateX(1px) scale(0.98) !important;
}

/* 컬럼 전체 호버 효과 */
.mega-submenu-column:hover {
    z-index: 1 !important;
}

/* 반응형 조정 */
@media (max-width: 1200px) {
    .mega-submenu-all .mega-submenu-container {
        gap: 12px !important;
    }
    
    .mega-submenu-column:not(:last-child)::after {
        right: -6px !important;
    }
}

/* 부드러운 스크롤 */
.mega-submenu-all {
    overflow-y: auto !important;
    max-height: 90vh !important;
    scrollbar-width: thin !important;
    scrollbar-color: rgba(0, 123, 255, 0.2) transparent !important;
}

/* 웹킷 브라우저 스크롤바 */
.mega-submenu-all::-webkit-scrollbar {
    width: 6px !important;
}

.mega-submenu-all::-webkit-scrollbar-track {
    background: transparent !important;
}

.mega-submenu-all::-webkit-scrollbar-thumb {
    background: rgba(0, 123, 255, 0.2) !important;
    border-radius: 3px !important;
}

.mega-submenu-all::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 123, 255, 0.3) !important;
}