/* ============================================================
   header-style.css — 턴키글로벌리얼티 헤더
   ============================================================ */

:root {
    --tkg-header-height: 90px;
    --tkg-header-bg: #152033;
    --tkg-color-text: #ffffff;
    --tkg-color-muted: rgba(255,255,255,0.55);
    --tkg-color-accent: #4a9fd4;
    --tkg-color-accent-hover: #2d7db5;
    --tkg-color-white: #ffffff;
    --tkg-color-divider: rgba(0,0,0,0.09);
    --tkg-font: -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
    --tkg-transition: 0.22s cubic-bezier(0.4,0,0.2,1);
    --tkg-fade: 0.18s ease;
    --tkg-z-header: 9999;
    --tkg-z-dropdown: 10000;
}

/* ── 리셋 ─────────────────────────────────────── */
.tkg-header *, .tkg-header *::before, .tkg-header *::after { box-sizing: border-box; margin: 0; padding: 0; }
.tkg-header ul, .tkg-header ol { list-style: none; }
.tkg-header a { color: inherit; text-decoration: none; }
.tkg-header button { font-family: inherit; background: none; border: none; cursor: pointer; }

/* ── 헤더 ─────────────────────────────────────── */
.tkg-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--tkg-header-height);
    background: var(--tkg-header-bg);
    z-index: var(--tkg-z-header);
    font-family: var(--tkg-font);
}
.admin-bar .tkg-header { top: 32px; }
@media screen and (max-width: 782px) {
    .admin-bar .tkg-header { top: 46px; }
}

/* ── 헤더 inner ───────────────────────────────── */
.tkg-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    padding: 0 48px;
}

/* ── 로고 — 왼쪽 고정 ─────────────────────────── */
.tkg-header__logo { flex-shrink: 0; }
.tkg-header__logo a { display: flex; align-items: center; }
.tkg-logo-img {
    height: 26px !important;
    width: auto !important;
    display: block;
}
.tkg-header__logo-text {
    font-size: 17px; font-weight: 800; letter-spacing: 0.06em;
    text-transform: uppercase; color: #fff; white-space: nowrap;
}

/* ── 오른쪽 영역 (메뉴 + 언어 묶음) ─────────── */
.tkg-header__right {
    display: flex;
    align-items: center;
    gap: 0;
    flex-shrink: 0;
}

/* ── 네비게이션 ───────────────────────────────── */
.tkg-nav { display: flex; align-items: center; }
.tkg-nav__menu-wrap { display: flex; align-items: center; }
.tkg-nav__list { display: flex; align-items: center; }

/* ── 1depth 아이템 ────────────────────────────── */
.tkg-nav__item { position: relative; }
.tkg-nav__item-title { display: flex; align-items: center; height: var(--tkg-header-height); }

/* 모든 1depth 텍스트 → 흰색 */
.tkg-nav__item-link,
.tkg-nav__item-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 0 16px;
    height: 100%;
    font-size: 15px; font-weight: 400;
    color: #ffffff !important;   /* 강제 흰색 */
    white-space: nowrap; letter-spacing: -0.01em;
    transition: color var(--tkg-transition), opacity var(--tkg-transition);
    background: none; border: none; cursor: pointer;
}
.tkg-nav__item-link:hover,
.tkg-nav__item.is-open > .tkg-nav__item-title .tkg-nav__item-link,
.tkg-nav__item-btn:hover,
.tkg-nav__item.is-open > .tkg-nav__item-title .tkg-nav__item-btn {
    color: var(--tkg-color-accent) !important;
}

.tkg-nav__yt-icon { fill: currentColor; flex-shrink: 0; }

/* 화살표 토글 */
.tkg-nav__dropdown-toggle {
    display: flex; align-items: center; justify-content: center;
    padding: 0 8px 0 0; height: 100%;
    color: #ffffff;
    transition: color var(--tkg-transition);
}
.tkg-nav__dropdown-toggle:hover,
.tkg-nav__item.is-open > .tkg-nav__item-title .tkg-nav__dropdown-toggle {
    color: var(--tkg-color-accent);
}
.tkg-nav__chevron { fill: currentColor; transition: transform var(--tkg-transition); }
.tkg-nav__item.is-open > .tkg-nav__item-title .tkg-nav__chevron { transform: rotate(180deg); }

/* ── 드롭다운 공통 — 페이드 애니메이션 ─────────── */
.tkg-dropdown {
    position: absolute;
    top: calc(var(--tkg-header-height) + 1px);
    left: 50%; transform: translateX(-50%) translateY(-6px);
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 6px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    min-width: 200px;
    z-index: var(--tkg-z-dropdown);

    /* 페이드 기본 상태 */
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(-6px);
    transition:
        opacity var(--tkg-fade),
        transform var(--tkg-fade);
}

/* 열릴 때 */
.tkg-nav__item.is-open > .tkg-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
    display: block !important;
}

.tkg-dropdown__list { padding: 10px 0; }
.tkg-dropdown__link {
    display: block; padding: 10px 24px;
    font-size: 14px; color: #1a1a1a; white-space: nowrap;
    transition: color var(--tkg-transition), background var(--tkg-transition);
}
.tkg-dropdown__link:hover { color: var(--tkg-color-accent); background: rgba(74,159,212,0.06); }

/* ── 메가 메뉴 — 전체 너비 + 페이드 ─────────── */
.tkg-dropdown--mega {
    position: fixed !important;
    left: 0 !important; right: 0 !important; width: 100vw !important;
    top: var(--tkg-header-height) !important;
    border-radius: 0 !important;
    border-left: none !important; border-right: none !important; border-top: none !important;
    min-width: unset !important; padding: 0 !important;
    background: #fff !important;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12) !important;

    /* 페이드 기본 상태 */
    opacity: 0 !important;
    pointer-events: none !important;
    transform: translateY(-6px) !important;
    transition:
        opacity var(--tkg-fade),
        transform var(--tkg-fade) !important;
}
.admin-bar .tkg-dropdown--mega {
    top: calc(32px + var(--tkg-header-height)) !important;
}

/* 열릴 때 */
.tkg-nav__item.is-open > .tkg-dropdown--mega {
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
    display: block !important;
}

.tkg-dropdown__mega-inner {
    display: flex;
    max-width: 1600px;
    margin: 0 auto;
    padding: 56px 80px;
    gap: 0;
    min-height: 420px;
}

/* ── 메가 왼쪽 패널 ───────────────────────────── */
.tkg-mega__left {
    flex: 0 0 420px;
    display: flex; flex-direction: column; gap: 20px;
    padding-right: 64px;
    border-right: 1px solid var(--tkg-color-divider);
}
.tkg-mega__left-title {
    font-size: 52px; font-weight: 700;
    color: var(--tkg-color-accent);
    letter-spacing: -0.03em; line-height: 1.1;
}
.tkg-mega__left-title a { color: inherit; }
.tkg-mega__left-title a:hover { opacity: 0.8; }
.tkg-mega__left-desc { font-size: 14px; color: #555; line-height: 1.7; }

.tkg-mega__left-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 20px; border-radius: 50px;
    background: var(--tkg-color-accent); color: #fff;
    font-size: 13px; font-weight: 600;
    transition: background var(--tkg-transition); width: fit-content;
}
.tkg-mega__left-btn:hover { background: var(--tkg-color-accent-hover); }

.tkg-mega__left-divider { height: 1px; background: var(--tkg-color-divider); }

.tkg-mega__left-card { display: flex; gap: 14px; align-items: flex-start; }
.tkg-mega__left-card:hover { opacity: 0.8; }
.tkg-mega__left-card-img {
    flex-shrink: 0; width: 160px; height: 100px;
    border-radius: 6px; overflow: hidden; background: #eee;
}
.tkg-mega__left-card-img img { width: 100%; height: 100%; object-fit: cover; }
.tkg-mega__left-card-body { display: flex; flex-direction: column; gap: 5px; }
.tkg-mega__left-card-title { font-size: 13px; font-weight: 700; color: #1a1a1a; line-height: 1.4; }
.tkg-mega__left-card-desc { font-size: 12px; color: #666; line-height: 1.5; }
.tkg-mega__left-card-more { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; color: #1a1a1a; }
.tkg-mega__left-card-more-line { width: 24px; height: 2px; background: #1a1a1a; flex-shrink: 0; }

/* ── 서비스/인사이트: 링크 컬럼 ──────────────── */
.tkg-mega__right { flex: 1; padding-left: 64px; }
.tkg-mega__right > .tkg-dropdown__list { display: flex; gap: 0 64px; padding: 0; }

.tkg-dropdown__section { flex: 1; min-width: 120px; }
.tkg-dropdown__section-title {
    font-size: 13px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--tkg-color-accent);
    padding-bottom: 14px; border-bottom: 1px solid var(--tkg-color-divider);
    margin-bottom: 4px;
}
.tkg-dropdown__section-title a { color: inherit; }
.tkg-dropdown__section-title a:hover { opacity: 0.75; }

.tkg-dropdown__sub-list { display: flex; flex-direction: column; }
.tkg-dropdown__sub-item { border-bottom: 1px solid var(--tkg-color-divider); }
.tkg-dropdown__sub-item:last-child { border-bottom: none; }
.tkg-dropdown__sub-link {
    display: block; padding: 13px 0;
    font-size: 15px; color: #1a1a1a; letter-spacing: -0.01em;
    transition: color var(--tkg-transition);
}
.tkg-dropdown__sub-link:hover { color: var(--tkg-color-accent); }

/* ── 회사소개: 이미지 카드 그리드 ───────────── */
.tkg-mega__about-cards {
    flex: 1; padding-left: 52px;
    display: flex; gap: 28px; align-items: flex-start;
}
.tkg-mega__about-card { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.tkg-mega__about-card-title {
    font-size: 15px; font-weight: 600; color: var(--tkg-color-accent);
    transition: color var(--tkg-transition);
}
.tkg-mega__about-card:hover .tkg-mega__about-card-title { color: var(--tkg-color-accent-hover); }

.tkg-mega__about-card-img {
    position: relative; width: 100%; padding-top: 62%;
    border-radius: 10px; overflow: hidden; background: #ddd;
}
.tkg-mega__about-card-img img {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.35s ease;
}
.tkg-mega__about-card-img::after {
    content: 'Learn More';
    position: absolute; inset: 0;
    background: rgba(74,159,212,0.82);
    color: #fff; font-size: 15px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--tkg-font);
    opacity: 0; transition: opacity 0.28s ease;
}
.tkg-mega__about-card:hover .tkg-mega__about-card-img::after { opacity: 1; }
.tkg-mega__about-card:hover .tkg-mega__about-card-img img { transform: scale(1.05); }

/* ── 언어 스위처 ──────────────────────────────── */
.tkg-header__lang {
    display: flex; align-items: center; gap: 6px;
    flex-shrink: 0; margin-left: 16px;
}
.tkg-header__lang-divider { color: var(--tkg-color-muted); font-size: 14px; }
.tkg-header__lang-btn {
    padding: 4px 10px; font-size: 12px; font-weight: 600; letter-spacing: 0.05em;
    color: var(--tkg-color-muted); border: 1px solid transparent; border-radius: 3px;
    transition: color var(--tkg-transition), border-color var(--tkg-transition);
}
.tkg-header__lang-btn:hover { color: #fff; border-color: rgba(255,255,255,0.35); }
.tkg-header__lang-btn.is-active { color: #fff; border-color: #fff; }

/* ── 모바일 토글 ──────────────────────────────── */
.tkg-nav__toggle {
    display: none; align-items: center; justify-content: center;
    width: 40px; height: 40px; color: #fff; border-radius: 6px;
    transition: background var(--tkg-transition);
}
.tkg-nav__toggle:hover { background: rgba(255,255,255,0.1); }
.tkg-nav__toggle-icon { display: flex; align-items: center; justify-content: center; }

/* ── 반응형 ───────────────────────────────────── */
@media (max-width: 1100px) {
    .tkg-header__inner { padding: 0 20px; }
    .tkg-header__right { gap: 8px; }
    .tkg-nav__toggle { display: flex; }

    .tkg-nav__menu-wrap {
        display: none; position: fixed;
        top: var(--tkg-header-height); left: 0; right: 0; bottom: 0;
        background: #152033; overflow-y: auto;
        flex-direction: column; align-items: flex-start;
        padding: 8px 0 60px;
        border-top: 1px solid rgba(255,255,255,0.08);
        z-index: var(--tkg-z-dropdown);
    }
    .admin-bar .tkg-nav__menu-wrap { top: calc(32px + var(--tkg-header-height)); }
    .tkg-nav__menu-wrap.is-open { display: flex; }

    .tkg-nav__list { flex-direction: column; align-items: stretch; width: 100%; }
    .tkg-nav__item { border-bottom: 1px solid rgba(255,255,255,0.08); }
    .tkg-nav__item-title { height: 52px; }
    .tkg-nav__item-link,
    .tkg-nav__item-btn { padding: 0 24px; height: 52px; width: 100%; font-size: 15px; }
    .tkg-nav__dropdown-toggle { padding: 0 24px; height: 52px; }

    /* 모바일에서 드롭다운 — 페이드 없이 단순 show/hide */
    .tkg-dropdown,
    .tkg-dropdown--mega {
        position: static !important; transform: none !important;
        opacity: 1 !important; pointer-events: auto !important;
        border: none !important; border-radius: 0 !important;
        box-shadow: none !important; background: rgba(0,0,0,0.25) !important;
        min-width: unset !important; width: 100% !important;
        transition: none !important;
        display: none;
    }
    .tkg-nav__item.is-open > .tkg-dropdown,
    .tkg-nav__item.is-open > .tkg-dropdown--mega { display: block !important; }

    .tkg-dropdown__mega-inner { flex-direction: column; padding: 12px 0; gap: 0; min-height: unset; }
    .tkg-mega__left { flex: unset; padding: 16px 24px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); gap: 10px; }
    .tkg-mega__left-title { font-size: 22px; }
    .tkg-mega__left-desc, .tkg-mega__left-btn, .tkg-mega__left-divider, .tkg-mega__left-card { display: none; }
    .tkg-mega__right, .tkg-mega__about-cards { padding-left: 0; }
    .tkg-mega__right > .tkg-dropdown__list { flex-direction: column; gap: 0; }
    .tkg-dropdown__section-title { padding: 10px 24px 8px; border-bottom: none; }
    .tkg-dropdown__sub-link { padding: 10px 32px; color: rgba(255,255,255,0.8); font-size: 14px; }
    .tkg-dropdown__sub-item { border-bottom: none; }
    .tkg-mega__about-cards { flex-direction: column; gap: 0; }
    .tkg-mega__about-card { padding: 10px 24px; }
    .tkg-mega__about-card-img { display: none; }
    .tkg-mega__about-card-title { font-size: 14px; color: rgba(255,255,255,0.8); }

    .tkg-header__lang { margin-left: 8px; }
}