@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=Roboto:wght@300;400;500;700&display=swap');

/* Header Styling */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 80px;
    z-index: 2000;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    background: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
}

#main-header.scrolled,
#main-header.mobile-open {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    height: 70px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
    width: 100%;
    max-width: min(1440px, 100%);
    min-width: 0;
    margin: 0 auto;
    /* 화면 폭이 1440px 이하로 좁아지면 padding이 비율로 축소 (footer와 동일 기준) */
    padding: 0 clamp(20px, 4.1667vw, 60px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
    box-sizing: border-box;
    gap: clamp(8px, 0.8vw, 16px);
}

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

.logo img,
.logo svg {
    height: 24px;
    transition: all 0.3s;
}

/* CLIO_Logo.png is white, keep as is on dark background */
.logo img {
    filter: none;
}

#main-header.scrolled .logo img,
#main-header.mobile-open .logo img {
    filter: invert(1);
}

/* Navigation (Desktop) */
.desktop-nav {
    min-width: 0;
    flex: 1 1 auto;
}

.nav-list {
    display: flex;
    flex-wrap: nowrap;
    /* 화면 폭이 1440px 이하로 좁아지면 간격이 비율로 축소 (50px → 약 28px 까지) */
    gap: clamp(20px, 3.4722vw, 50px);
    list-style: none;
    justify-content: center;
}

.nav-item {
    position: relative;
    padding: 25px 0;
}

.nav-link {
    /* 화면 폭에 따라 폰트도 약간 축소 (15px → 13px) */
    font-size: clamp(13px, 1.0417vw, 15px);
    font-weight: 500;
    color: #fff;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: color 0.3s;
}

#main-header.scrolled .nav-link,
#main-header.mobile-open .nav-link {
    color: #333;
}

#main-header.force-dark-text .nav-link {
    color: #222;
}

.nav-item:hover .nav-link {
    color: #fff !important;
}

#main-header.scrolled .nav-item:hover .nav-link,
#main-header.mobile-open .nav-item:hover .nav-link {
    color: #000 !important;
}

/* Dropdown Menu (Desktop) */
.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(40, 40, 40, 0.78);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    min-width: 160px;
    padding: 20px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    overflow: hidden;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-list {
    list-style: none;
    padding: 0;
}

.dropdown-list li a {
    display: block;
    padding: 10px 25px;
    font-size: 14px;
    color: #fff;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.dropdown-list li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    padding-left: 30px;
}

/* Utility Links */
.util-links {
    display: flex;
    gap: clamp(8px, 1.0417vw, 15px);
    align-items: center;
    flex-shrink: 0;
}

.util-link {
    font-size: clamp(12px, 0.9028vw, 13px);
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.3s;
}

#main-header.scrolled .util-link,
#main-header.mobile-open .util-link {
    color: #333;
}

#main-header.force-dark-text .util-link {
    color: #222;
}

.util-link:hover { opacity: 0.7; }

.util-lang-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.util-lang {
    font-size: 13px;
    font-weight: 500;
    opacity: 0.5;
}

.util-lang.active {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.util-shop-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #fff;
    color: #000 !important;
    padding: 5px 14px;
    border-radius: 200px;
    font-size: 13px;
    font-weight: 500;
    line-height: 25px;
    transition: all 0.3s;
}

.util-shop-btn svg {
    width: 17px;
    height: 14px;
}

.util-shop-btn:hover {
    background: #000;
    color: #fff !important;
}

.util-shop-btn:hover svg path {
    stroke: #fff;
}

.util-shop-btn:hover svg circle {
    fill: #fff;
}

#main-header.scrolled .util-shop-btn {
    background: #000;
    color: #fff !important;
}

#main-header.scrolled .util-shop-btn svg path {
    stroke: #fff;
}

#main-header.scrolled .util-shop-btn svg circle {
    fill: #fff;
}

/* Hamburger Menu Button
 * --hamburger-bar-h / --hamburger-bar-gap 는 X(닫기) 애니메이션 translate 와 동기화됨 */
.hamburger-btn {
    display: none;
    flex-direction: column;
    --hamburger-bar-h: 2px;
    --hamburger-bar-gap: 5px;
    gap: var(--hamburger-bar-gap);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 100;
}

.hamburger-btn span {
    display: block;
    width: 25px;
    height: var(--hamburger-bar-h);
    background: #fff;
    transition: all 0.3s;
    transform-origin: center;
}

#main-header.scrolled .hamburger-btn span,
#main-header.mobile-open .hamburger-btn span {
    background: #000;
}

#main-header.force-dark-text .hamburger-btn span {
    background: #222;
}

/* Hamburger Animation — 막대 두께·간격이 바뀌어도 중심에서 만나도록 offset 동기화 */
.mobile-open .hamburger-btn span:nth-child(1) {
    transform: translateY(calc(var(--hamburger-bar-h) + var(--hamburger-bar-gap))) rotate(45deg);
}
.mobile-open .hamburger-btn span:nth-child(2) { opacity: 0; }
.mobile-open .hamburger-btn span:nth-child(3) {
    transform: translateY(calc(-1 * (var(--hamburger-bar-h) + var(--hamburger-bar-gap)))) rotate(-45deg);
}

/* --- Mobile Navigation --- */
.mobile-menu {
    display: none;
}

/* 모바일(햄버거) 모드 — JS가 다음 두 경우에 .mobile-mode 클래스를 추가합니다:
   1) 화면 폭 ≤ 1200px AND portrait (폭 기반 분기점)
   2) 폭 > 1200px 이지만 헤더 항목이 실제로 충돌하는 경우 (안전망)
   타이포·로고·여백은 화면 폭에 비례하여 늘어나고 줄어듦 */
#main-header.mobile-mode .header-inner {
    padding: 0 clamp(16px, 4.5vw, 48px);
}

#main-header.mobile-mode .desktop-nav {
    display: none;
}

#main-header.mobile-mode .logo img,
#main-header.mobile-mode .logo svg {
    height: clamp(14px, 3vw, 32px);
}

#main-header.mobile-mode .nav-list,
#main-header.mobile-mode .util-links {
    display: none;
}

#main-header.mobile-mode .hamburger-btn {
    display: flex;
    padding: clamp(8px, 1.8vw, 18px);
    --hamburger-bar-h: clamp(2px, 0.4vw, 3px);
    --hamburger-bar-gap: clamp(4px, 1vw, 8px);
    gap: var(--hamburger-bar-gap);
}

#main-header.mobile-mode .hamburger-btn span {
    width: clamp(22px, 4.6vw, 42px);
    height: var(--hamburger-bar-h);
}

#main-header.mobile-mode .mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    background: #fff;
    padding: clamp(80px, 11vw, 150px) clamp(24px, 5.5vw, 80px);
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 2.8vw, 32px);
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 5;
    overflow-y: auto;
    /* 닫힌 상태: iOS에서 100vh 고스트 레이어가 푸터를 가리는 경우 방지 */
    pointer-events: none;
}

#main-header.mobile-mode.mobile-open .mobile-menu {
    transform: translateY(0);
    pointer-events: auto;
}

#main-header.mobile-mode .mobile-nav-item {
    border-bottom: 1px solid #eee;
    padding: clamp(12px, 2.4vw, 28px) 0;
}

#main-header.mobile-mode .mobile-nav-link {
    font-size: clamp(18px, 3.8vw, 36px);
    font-weight: 500;
    color: #000;
    display: block;
    margin-bottom: clamp(8px, 1.8vw, 18px);
    text-decoration: none;
}

#main-header.mobile-mode .mobile-dropdown {
    padding-left: 0;
    display: none;
    list-style: none;
}

#main-header.mobile-mode .mobile-nav-item.active .mobile-dropdown {
    display: block;
}

#main-header.mobile-mode .mobile-dropdown li {
    margin-bottom: clamp(10px, 2.2vw, 22px);
}

#main-header.mobile-mode .mobile-dropdown li a {
    display: block;
    text-align: left;
    font-size: clamp(14px, 3vw, 26px);
    color: #666;
    text-decoration: none;
}

#main-header.mobile-mode .mobile-util {
    margin-top: clamp(28px, 5.6vw, 64px);
    display: flex;
    gap: clamp(14px, 3vw, 36px);
}

#main-header.mobile-mode .mobile-util .util-link {
    font-size: clamp(15px, 3.4vw, 20px);
    font-weight: 600;
    line-height: 1.2;
}