@charset "UTF-8";

/* ============================================
   서울쏙쏙치과 - 멀티페이지 네비게이션
   반응형 헤더 + 드롭다운 메뉴
   ============================================ */

/* Multi-page header */
.multi-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
    transition: box-shadow 0.3s ease;
}

.multi-header.scrolled {
    box-shadow: 0 2px 16px rgba(0,0,0,0.1);
}

.multi-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
}

/* Logo */
.multi-nav .nav-logo a {
    display: flex;
    align-items: center;
}

.multi-nav .nav-logo img {
    height: 36px;
    width: auto;
}

/* Main menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--ssok-accent-dark);
}

.nav-menu > li > a.active {
    font-weight: 600;
    color: var(--ssok-primary);
}

/* 수면치료(의식하진정) 병기 보조 라벨 */
.nav-sub {
    margin-left: 4px;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0;
    color: var(--ssok-text-muted);
}
.nav-menu > li > a.active .nav-sub {
    color: rgba(27, 42, 74, 0.72);
}
.nav-dropdown-inner li a .nav-sub {
    font-size: 0.78rem;
}

/* Dropdown arrow */
.nav-menu > li > a .nav-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform 0.2s ease;
}

.nav-menu > li:hover > a .nav-arrow,
.nav-menu > li.dropdown-open > a .nav-arrow {
    transform: rotate(180deg);
}

/* Dropdown submenu */
.nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding-top: 8px;
    min-width: 180px;
    z-index: 100;
}

.nav-dropdown-inner {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    padding: 8px;
    list-style: none;
    margin: 0;
}

.nav-dropdown-inner li a {
    display: block;
    padding: 10px 16px;
    font-size: 0.9rem;
    color: #444;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.nav-dropdown-inner li a:hover,
.nav-dropdown-inner li a.active {
    background: var(--ssok-primary-bg);
    color: var(--ssok-primary);
}

.nav-menu > li:hover .nav-dropdown,
.nav-menu > li.dropdown-open .nav-dropdown {
    display: block;
}

/* Right section: EN + CTA */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-lang {
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ssok-text-muted);
    text-decoration: none;
    border: 1px solid var(--ssok-border);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-lang:hover {
    color: var(--ssok-primary);
    border-color: var(--ssok-primary);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    background: var(--ssok-primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 2px;
    letter-spacing: 0.5px;
    transition: background 0.2s ease;
}

.nav-cta:hover {
    background: var(--ssok-accent-dark);
}

/* Hamburger button (mobile) */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #333;
    border-radius: 1px;
    transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile overlay */
.nav-overlay {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 998;
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .nav-menu > li > a {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    .nav-cta {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .multi-nav {
        height: 60px;
    }

    .multi-nav .nav-logo img {
        height: 28px;
    }

    /* 2026-05-21: 모바일 햄버거 — 보장 시각 노출 (사용자 critical 이슈 fix v2) */
    button.nav-hamburger,
    .multi-header .nav-hamburger,
    .multi-nav .nav-hamburger {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 1001 !important;
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        min-height: 44px !important;
        padding: 10px 9px !important;
        margin-left: auto !important;
        background: rgba(26, 20, 16, 0.04) !important;
        border: 1px solid rgba(26, 20, 16, 0.25) !important;
        border-radius: 6px !important;
        gap: 5px !important;
        cursor: pointer !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: stretch !important;
        box-sizing: border-box !important;
    }
    .nav-hamburger > span {
        display: block !important;
        background: #1a1410 !important;
        width: 100% !important;
        height: 3px !important;
        border-radius: 1.5px !important;
    }
    .nav-hamburger:hover,
    .nav-hamburger:focus,
    .nav-hamburger.open {
        background: rgba(164, 92, 52, 0.15) !important;
        border-color: rgba(164, 92, 52, 0.5) !important;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff !important;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px;
        overflow-y: auto;
        z-index: 2000;
        /* 2026-05-20: 모바일 햄버거 메뉴 보장 — z-index ↑, isolation으로 stacking context 격리 */
        isolation: isolate;
    }

    .nav-menu.open {
        display: flex !important;
    }

    /* 2026-05-20: 모바일 드롭다운 명시 — 진료안내·병원안내 클릭 시 펼침 */
    .nav-menu > li > a .nav-arrow {
        margin-left: auto;
    }
    .nav-menu > li.dropdown-open .nav-dropdown,
    .nav-menu > li:has(> [aria-expanded="true"]) .nav-dropdown {
        display: block !important;
    }

    .nav-menu > li > a {
        padding: 14px 16px;
        font-size: 1rem;
        border-radius: 0;
        border-bottom: 1px solid var(--ssok-border);
    }

    .nav-dropdown {
        position: static;
        transform: none;
        padding-top: 0;
        display: none;
    }

    .nav-menu > li.dropdown-open .nav-dropdown {
        display: block;
    }

    .nav-dropdown-inner {
        border-radius: 0;
        box-shadow: none;
        padding: 0;
        background: var(--ssok-bg-light);
    }

    .nav-dropdown-inner li a {
        padding: 12px 32px;
        border-bottom: 1px solid var(--ssok-border);
    }

    .nav-right {
        display: none;
    }

    .nav-menu.open ~ .nav-right {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 16px;
        background: #fff;
        box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
        z-index: 999;
        justify-content: center;
    }
}

/* ============================================
   접근성: :focus-visible 스타일
   키보드 탐색 시에만 표시, 마우스 클릭 시 미표시
   ============================================ */

/* 네비게이션 링크 */
.nav-menu > li > a:focus-visible,
.nav-dropdown-inner li a:focus-visible {
    outline: 2px solid var(--ssok-accent);
    outline-offset: 2px;
    border-radius: 8px;
}

/* CTA 버튼 */
.nav-cta:focus-visible {
    outline: 2px solid var(--ssok-accent);
    outline-offset: 2px;
}

/* EN 버튼 */
.nav-lang:focus-visible {
    outline: 2px solid var(--ssok-accent);
    outline-offset: 2px;
    color: var(--ssok-primary);
    border-color: var(--ssok-primary);
}

/* 햄버거 버튼 */
.nav-hamburger:focus-visible {
    outline: 2px solid var(--ssok-accent);
    outline-offset: 4px;
    border-radius: 4px;
}

/* 로고 */
.nav-logo a:focus-visible {
    outline: 2px solid var(--ssok-accent);
    outline-offset: 4px;
    border-radius: 4px;
}