/* 헤더 기본 스타일 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 90px;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-gray);
    z-index: 100;
    transition: height 0.15s ease;
}

.header.is-scrolled {
    height: 55px;
}

.header.is-scrolled .member-nav {
    display: none;
}

.header__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: 10px;
    transition: padding-top 0.15s ease;
}

.header.is-scrolled .header__container {
    padding-top: 0;
}

/* 회원 네비게이션 */
.member-nav {
    display: flex;
    justify-content: flex-end;
    gap: 20px;
    padding-right: 5px;
}

.member-nav__link {
    position: relative;
    font-size: 14px;
    color: var(--color-cont-text);
}

.member-nav__link:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -10px;
    width: 1px;
    height: 12px;
    background-color: var(--color-gray);
    transform: translateY(-50%);
}

/* 메인 헤더 영역 */
.header__main {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    gap: 50px;
}

.header__logo {
    width: 200px;
    height: 100%;
    background: url("/assets/logo/main.svg") no-repeat center/contain;
}

/* 메인 네비게이션 */
.main-nav {
    display: flex;
    justify-content: space-evenly;
    gap: 40px;
    width: calc(100% - 250px);
    height: 100%;
}

.main-nav__link {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 4px;
    font-size: 18px;
    font-weight: 600;
    transition: color 0.2s ease;
}

.main-nav__link:hover,
.main-nav__link.is-active {
    color: var(--color-primary);
}

.main-nav__link.is-active {
    font-weight: 700;
}

.main-nav__link.is-active::after {
    content: "";
    position: absolute;
    right: -6px;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--color-secondary);
    border-radius: 50%;
}

/* 서브 네비게이션 */
.sub-nav {
    display: none;
    position: absolute;
    top: calc(100% + 2px);
    left: 50%;
    width: 200px;
    padding: 16px 0;
    background-color: var(--color-bg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.main-nav__item {
    position: relative;
    height: 100%;
    border-bottom: 2px solid rgba(0, 0, 0, 0);
}

.main-nav__item:hover {
    border-bottom: 2px solid var(--color-primary);
}

.main-nav__item:hover .sub-nav {
    display: block;
    opacity: 1;
}

.sub-nav__link {
    display: block;
    padding: 12px 20px;
    font-size: 16px;
    color: var(--color-lightblack);
    transition: color 0.2s ease;
}

.sub-nav__link:hover {
    color: var(--color-primary);
}

/* 모바일 메뉴 버튼 */
.header__menu-button {
    display: none;
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.header__menu-icon {
    position: relative;
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-lightblack);
}

.header__menu-icon::before,
.header__menu-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-lightblack);
    transition: transform 0.2s ease;
}

.header__menu-icon::before {
    top: -6px;
}

.header__menu-icon::after {
    bottom: -6px;
}

/* 모바일 메뉴 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100%;
    background-color: var(--color-bg);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.mobile-menu.is-active {
    transform: translateX(-280px);
}

.mobile-menu-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-backdrop.is-active {
    display: block;
    opacity: 1;
}

.mobile-menu__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--color-gray);
}

.mobile-menu__logo {
    width: 140px;
    height: 32px;
    background: url("/assets/images/common/logo/logo.svg") no-repeat center/contain;
}

.mobile-menu__close {
    width: 24px;
    height: 24px;
    border: none;
    background: url("/assets/icons/close.svg") no-repeat center/contain;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
}

.mobile-nav__member {
    display: flex;
    gap: 16px;
    padding: 20px;
    border-bottom: 1px solid var(--color-gray);
}

.mobile-nav__member-link {
    font-size: 14px;
    color: var(--color-cont-text);
}

.mobile-nav__list {
    padding: 20px 0;
}

.mobile-nav__link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 16px 20px;
    border: none;
    background: none;
    font-size: 16px;
    text-align: left;
    cursor: pointer;
    color: var(--color-lightblack);
}

.mobile-nav__arrow {
    width: 16px;
    height: 16px;
    background: url("/assets/icons/arrow_down.svg") no-repeat center/contain;
    transition: transform 0.2s ease;
}

.mobile-nav__link.is-active .mobile-nav__arrow {
    transform: rotate(180deg);
}

.mobile-sub-nav {
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease;
}

.mobile-sub-nav.is-active {
    height: auto;
}

.mobile-sub-nav a {
    display: block;
    padding: 12px 20px 12px 40px;
    font-size: 15px;
    color: var(--color-cont-text);
}

/* 반응형 */
@media (max-width: 1023px) {
    .header {
        height: 80px;
    }

    .header__container {
        padding-top: 8px;
    }

    .header__main {
        padding: 0 20px;
        justify-content: space-between;
    }

    .member-nav {
        display: none;
    }
    
    .member-nav__link {
        font-size: 13px;
    }

    .header__logo {
        width: 170px;
    }

    .main-nav {
        display: none;
    }

    .header__menu-button {
        display: block;
    }
}

@media (max-width: 767px) {
    .header {
        height: 60px;
    }

    .header__container {
        padding-top: 0;
    }
}