/* 다크 모드 - 예외 */
@media (prefers-color-scheme: dark) {
    .announcements__subitem-icon-wrapper .announcements__subitem-icon {
        content: url("../image/icon/mit/announcements-page/chevron-down_FFFFFF.svg");
    }
}

/* ===============================================
   announcements
   =============================================== */
.announcements {
    padding: 9.6rem 6.4rem;
    display: flex;
    justify-content: center;
}

.announcements__container {
    width: 64.0rem;
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 9.6rem;
}



/* announcements__letter */
.announcements__letter {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4.8rem;
}

.announcements__letter-header .announcements__letter-title {
    padding: 0;
    margin: 0;
    font-family: "source-serif-pro", serif;
    font-size: 4.0rem;
    font-weight: var(--font-weight-regular);
    font-style: italic;
    line-height: 180%;
    color: var(--color-main);
    text-align: center;
}

.announcements__letter-intro,
.announcements__letter-closing {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.announcements__letter-text {
    padding: 0;
    margin: 0;
    font-family: "source-serif-pro", serif;
    font-size: 1.6rem;
    font-weight: var(--font-weight-regular);
    /* font-style: italic; */
    line-height: 200%;
}

.announcements__letter-text-highlight {
    color: var(--color-main);
    font-weight: var(--font-weight-semibold);
}

.announcements__letter-text--bold {
    padding: 0;
    margin: 0;
    font-family: "source-serif-pro", serif;
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    /* font-style: italic; */
    line-height: 200%;
}



/* announcements__notice-list */
.announcements__notice-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.announcements__notice-item {
    padding: 2.4rem;
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    border: 0.2rem solid var(--color-main);
    border-radius: 4.0rem;
}


/* 최상위 토글 */
.announcements__notice-toggle {
    display: flex;
    /* align-items: center; */
    flex-direction: row;
    gap: 1.6rem;
    cursor: pointer;
}

.announcements__notice-title {
    width: 100%;
    padding: 0;
    margin: 0;
    font-size: 1.8rem;
    font-weight: var(--font-weight-semibold);
    /* Figma = Bold --> CSS = SemiBold */
    color: var(--color-main);
    text-transform: uppercase;
}

.announcements__notice-icon {
    width: 2.4rem;
    height: 2.4rem;
}


/* 하위 리스트 (처음에는 숨김) */
.announcements__notice-sublist-wrapper {
    display: none;
}

.announcements__notice-sublist {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.announcements__subitem {
    display: flex;
    flex-direction: column;
}


/* 하위 토글 */
.announcements__subitem-toggle {
    padding: 0.4rem 0;
    display: flex;
    /* align-items: center; */
    flex-direction: row;
    gap: 1.6rem;
    cursor: pointer;
}

.announcements__subitem-title {
    width: 100%;
    padding: 0;
    margin: 0;
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    /* Figma = Bold --> CSS = SemiBold */
    color: var(--color-text-primary);
}

.announcements__subitem-icon-wrapper {
    width: 2.4rem;
    height: 2.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.announcements__subitem-icon {
    width: 1.6rem;
    height: 1.6rem;
}


/* Subitem 내용 숨김 */
.announcements__subitem-content {
    width: 100%;
    padding: 0 2.6rem;
    display: none;
}

.announcements__subitem-image {
    width: 100%;
    height: auto;
}

.announcements__subitem-text {
    padding: 0;
    margin: 0;
    font-size: 1.4rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    line-height: 200%;
}

.announcements__subitem-text-highlight {
    color: var(--color-main);
}

.announcements__subitem-text-red {
    color: #FF0000;
}

.announcements__subitem-text-bold {
    font-weight: var(--font-weight-bold);
}

.announcements__subitem-text-highlight-underline {
    color: var(--color-main);
    text-decoration: underline;
}

.announcements__subitem-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding-top: 0.4rem;
}

.announcements__subitem-link-group {
    display: flex;
    align-items: center;
    flex-direction: row;
    gap: 0.8rem;
}

.announcements__subitem-label {
    padding: 0;
    margin: 0;
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.announcements__subitem-link {
    padding: 0.4rem;
    border-radius: 0.5rem;
    background-color: var(--color-hero);
    cursor: pointer;
}

.announcements__subitem-link-text {
    padding: 0;
    margin: 0;
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-fixed-black);
}


/* 토글 클릭 시 active 클래스 */
.announcements__notice-sublist-wrapper.active {
    display: block;
}

.announcements__subitem-content.active {
    display: block;
}

/* 토글 아이콘 회전 효과 */
.announcements__notice-toggle.active .announcements__notice-icon,
.announcements__subitem-toggle.active .announcements__subitem-icon {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
}

/* 기본 아이콘 회전 */
.announcements__notice-icon,
.announcements__subitem-icon {
    transition: transform 0.3s ease;
}



/* announcements__letter-actions */
.announcements__letter-actions {
    width: 28.8rem;
    height: fit-content;
    padding: 1.6rem 3.2rem;
    border: 0;
    border-radius: 20.0rem;
    background-color: var(--color-button-download);

    font-size: 1.4rem;
    font-weight: var(--font-weight-medium);
    /* Figma = SemiBold --> CSS = Medium */
    color: var(--color-text-fixed-black);
}



/* ===============================================
   모바일 반응형
   Desktop : 1728px / (1512px) / 1440px / (1280px)
   Mobile : 1024px / 768px / 390px / 375px

            1512px = 95em(94.5)
            1280px = 80em
            1024px = 64em
   반응형 --> 0768px = 48em
   반응형 --> 0612px = 39em(38.25) - 390px 대신
            0390px = 25em(24.375)
            0375px = 24em(23.43)
            0320px = 16em
   =============================================== */
@media (max-width: 768px) {
    .announcements {
        padding-top: 6.4rem;
        padding-bottom: 6.4rem;
    }

    .announcements__container {
        width: 100%;
    }
}



@media (max-width: 612px) {
    .announcements {
        padding: 3.2rem 1.6rem 6.4rem 1.6rem;
    }

    .announcements__container {
        gap: 6.4rem;
    }

    /* announcements__letter */
    .announcements__letter {
        gap: 3.2rem;
    }

    .announcements__letter-header .announcements__letter-title {
        font-size: 2.0rem;
        font-weight: var(--font-weight-semibold);
    }

    .announcements__letter-intro,
    .announcements__letter-closing {
        gap: 1.0rem;
    }

    /* Subitem 내용 숨김 */
    .announcements__subitem-content {
        padding: 0 0.4rem;
    }

}