/* ===== Header02 Glass Theme ===== */
.header-01 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.72);
    border-bottom: 1px solid rgba(224, 236, 250, 0.92);
    backdrop-filter: blur(18px) saturate(175%);
    -webkit-backdrop-filter: blur(18px) saturate(175%);
    transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.header-01::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
    opacity: 0.65;
}

.header-01.scrolled {
    background: rgba(255, 255, 255, 0.84);
    border-color: rgba(212, 226, 244, 0.96);
    box-shadow: 0 16px 38px -24px rgba(0, 78, 162, 0.58);
}

.header-01 .header-inner {
    position: relative;
    z-index: 1;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.header-01 .header-inner .logo {
    flex-shrink: 0;
}

.header-01 .header-inner .logo a {
    display: block;
}

.header-01 .header-inner .logo a img {
    height: 42px;
    width: auto;
}

/* ===== Navigation PC ===== */
.header-01 .header-inner .nav-pc {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.header-01 .header-inner .nav-pc > ul {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-01 .header-inner .nav-pc .nav-item {
    position: relative;
}

.header-01 .header-inner .nav-pc .nav-item > a,
.header-01 .header-inner .nav-pc .nav-item > .title {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    color: #3b4a6b;
    white-space: nowrap;
    cursor: pointer;
    transition: color var(--transition), background var(--transition), transform var(--transition);
}

.header-01 .header-inner .nav-pc .nav-item > a::after,
.header-01 .header-inner .nav-pc .nav-item > .title::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 6px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #004EA2, #4a90e2);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.header-01 .header-inner .nav-pc .nav-item:hover > a,
.header-01 .header-inner .nav-pc .nav-item:hover > .title,
.header-01 .header-inner .nav-pc .nav-item.active > a,
.header-01 .header-inner .nav-pc .nav-item.active > .title,
.header-01 .header-inner .nav-pc .nav-item.on > a,
.header-01 .header-inner .nav-pc .nav-item.on > .title {
    color: #004EA2;
}

.header-01 .header-inner .nav-pc .nav-item:not(.active):not(.on):hover > a,
.header-01 .header-inner .nav-pc .nav-item:not(.active):not(.on):hover > .title {
    background: transparent;
}

.header-01 .header-inner .nav-pc .nav-item.active > a,
.header-01 .header-inner .nav-pc .nav-item.active > .title,
.header-01 .header-inner .nav-pc .nav-item.on > a,
.header-01 .header-inner .nav-pc .nav-item.on > .title {
    background: rgba(255, 255, 255, 0.72);
}

.header-01 .header-inner .nav-pc .nav-item:hover > a::after,
.header-01 .header-inner .nav-pc .nav-item:hover > .title::after,
.header-01 .header-inner .nav-pc .nav-item.active > a::after,
.header-01 .header-inner .nav-pc .nav-item.active > .title::after,
.header-01 .header-inner .nav-pc .nav-item.on > a::after,
.header-01 .header-inner .nav-pc .nav-item.on > .title::after {
    transform: scaleX(1);
}

/* Dropdown */
.header-01 .header-inner .nav-pc .nav-item > .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    min-width: 170px;
    padding-top: 10px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(10px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 100;
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul,
.header-01 .header-inner .nav-pc .nav-item .sub-menu-third > ul {
    padding: 8px 0;
    border-radius: 14px;
    border: 1px solid rgba(224, 236, 250, 0.9);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(18px) saturate(170%);
    -webkit-backdrop-filter: blur(18px) saturate(170%);
    box-shadow: 0 18px 38px -22px rgba(0, 78, 162, 0.52);
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li {
    position: relative;
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li > a,
.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li > .sub-title,
.header-01 .header-inner .nav-pc .nav-item .sub-menu-third li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 18px;
    font-size: 13px;
    color: #4f5f7b;
    white-space: nowrap;
    cursor: pointer;
    transition: color var(--transition), background var(--transition), padding var(--transition);
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li > a:hover,
.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li:hover > .sub-title,
.header-01 .header-inner .nav-pc .nav-item .sub-menu-third li a:hover {
    color: #004EA2;
    background: rgba(234, 244, 255, 0.88);
    padding-left: 22px;
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li.has-third > .sub-title::after {
    content: "";
    width: 7px;
    height: 7px;
    flex-shrink: 0;
    border-top: 2px solid #8aa2c0;
    border-right: 2px solid #8aa2c0;
    transform: rotate(45deg);
    transition: border-color var(--transition), transform var(--transition);
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li.has-third:hover > .sub-title::after {
    border-color: #004EA2;
    transform: translateX(2px) rotate(45deg);
}

.header-01 .header-inner .nav-pc .nav-item .sub-menu-third {
    position: absolute;
    top: -8px;
    left: 100%;
    min-width: 180px;
    padding-left: 10px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(10px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 110;
}

.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li.has-third:hover > .sub-menu-third,
.header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul > li.has-third:focus-within > .sub-menu-third {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
}

.header-01 .header-inner .nav-pc .nav-item:hover > .sub-menu,
.header-01 .header-inner .nav-pc .nav-item:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

/* Search */
.header-01 .header-inner .nav-search {
    position: relative;
    margin-left: 6px;
}

.header-01 .header-inner .nav-search .search-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    color: #51627f;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}

.header-01 .header-inner .nav-search .search-btn:hover {
    color: #004EA2;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 10px 24px -16px rgba(0, 78, 162, 0.55);
}

.header-01 .header-inner .nav-search .search-box {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: 300px;
    padding: 12px;
    border-radius: 14px;
    border: 1px solid rgba(224, 236, 250, 0.92);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px) saturate(170%);
    -webkit-backdrop-filter: blur(18px) saturate(170%);
    box-shadow: 0 18px 34px -20px rgba(0, 78, 162, 0.55);
    z-index: 120;
}

.header-01 .header-inner .nav-search .search-box.open {
    display: block;
}

.header-01 .header-inner .nav-search .search-box .search-input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #dce8f6;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.96);
    color: #1f2f49;
    font-size: 14px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.header-01 .header-inner .nav-search .search-box .search-input:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.14);
}

.header-01 .header-inner .nav-search .search-box .search-submit {
    width: 100%;
    margin-top: 8px;
    height: 38px;
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, #004EA2, #4a90e2);
    transition: filter var(--transition), transform var(--transition);
}

.header-01 .header-inner .nav-search .search-box .search-submit:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

/* ===== Mobile Nav Button ===== */
.header-01 .header-inner .nav-mobile-btn {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    padding: 0;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    transition: background var(--transition);
}

.header-01 .header-inner .nav-mobile-btn:hover {
    background: rgba(255, 255, 255, 0.78);
}

.header-01 .header-inner .nav-mobile-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: #33425d;
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.header-01 .header-inner .nav-mobile-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header-01 .header-inner .nav-mobile-btn.open span:nth-child(2) {
    opacity: 0;
}

.header-01 .header-inner .nav-mobile-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Mobile Nav ===== */
.mobile-nav {
    position: fixed;
    top: var(--nav-h);
    right: -100%;
    width: min(320px, 88vw);
    height: calc(100vh - var(--nav-h));
    z-index: 999;
    overflow-y: auto;
    border-left: 1px solid rgba(220, 232, 248, 0.92);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px) saturate(170%);
    -webkit-backdrop-filter: blur(18px) saturate(170%);
    box-shadow: -10px 0 28px -22px rgba(0, 78, 162, 0.58);
    transition: right var(--transition);
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.mobile-nav-overlay.open {
    display: block;
}

.mobile-nav-inner {
    padding: 12px 0;
}

.mobile-nav-inner > ul > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 20px;
    font-size: 15px;
    color: #2f405f;
    border-bottom: 1px solid rgba(220, 232, 248, 0.88);
    transition: color var(--transition), background var(--transition);
}

.mobile-nav-inner > ul > li > a:hover {
    color: #004EA2;
    background: rgba(238, 246, 255, 0.84);
}

.mobile-nav-inner .arrow {
    display: inline-block;
    width: 8px;
    height: 8px;
    flex-shrink: 0;
    border-right: 2px solid #7390b5;
    border-bottom: 2px solid #7390b5;
    transform: rotate(45deg);
    transition: transform var(--transition);
}

.mobile-nav-inner .has-sub.open > a .arrow {
    transform: rotate(-135deg);
}

.mobile-nav-inner .sub {
    display: none;
    background: rgba(239, 247, 255, 0.82);
}

.mobile-nav-inner .sub.open {
    display: block;
}

.mobile-nav-inner .sub li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 20px 10px 36px;
    font-size: 14px;
    color: #556987;
    border-bottom: 1px solid rgba(220, 232, 248, 0.8);
}

.mobile-nav-inner .sub li a:hover {
    color: #004EA2;
}

.mobile-nav-inner .sub .sub {
    background: rgba(230, 241, 255, 0.88);
}

.mobile-nav-inner .sub .sub li a {
    padding-left: 52px;
    font-size: 13px;
    color: #607491;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .header-01 .header-inner .nav-pc {
        display: none !important;
    }

    .header-01 .header-inner .nav-mobile-btn {
        display: flex !important;
    }

    .header-01 .header-inner .nav-search {
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    .header-01 .header-inner .logo a img {
        height: 36px;
    }

    .header-01 .header-inner .nav-search .search-box {
        width: min(300px, calc(100vw - 32px));
        right: -6px;
    }
}

/* Fallback when backdrop-filter is unavailable */
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
    .header-01 {
        background: rgba(255, 255, 255, 0.95);
    }

    .mobile-nav,
    .header-01 .header-inner .nav-pc .nav-item > .sub-menu > ul,
    .header-01 .header-inner .nav-pc .nav-item .sub-menu-third > ul,
    .header-01 .header-inner .nav-search .search-box {
        background: #fff;
    }
}

.header-01 .header-inner .nav-pc .nav-item.active > a,
.header-01 .header-inner .nav-pc .nav-item.on > a,
.header-01 .header-inner .nav-pc .nav-item.active > .title,
.header-01 .header-inner .nav-pc .nav-item.on > .title {
    color: #004EA2;
    background: rgba(255, 255, 255, 0.72);
}

.header-01 .header-inner .nav-pc .nav-item:not(.active):not(.on):hover > a,
.header-01 .header-inner .nav-pc .nav-item:not(.active):not(.on):hover > .title {
    background: transparent;
}