:root {
    --animation-duration: 13s;
    --delay-interval: 2s;
}

/*
메인 페이지 타이틀
*/

.carousel-item .main-title-box {
    position: relative;
    z-index: 10;
    top: 200px;
    width: 700px;
    text-align: center;
    padding-bottom: 10px;
}

.main-title-box::before {
    content: "";
    position: absolute;
    bottom: 0;
    height: 2px;
    background: white;
    width: 88%;
}

.main-title {
    color: white;
    font-size: 4rem;
    display: inline-block;
}

.caption {
    position: absolute;
    width: 100%;
    top: -20px;
    color: rgba(255, 255, 255, 0.82);
}

/* 애니메이션 키프레임 정의 */
@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }
    15%, 30% {
        opacity: 1;
        transform: translateY(-20%);
    }
    30% {
        opacity: 0;
        transform: translateY(-100%);
    }
}

.sliding-titles {
    position: relative;
    margin-left: 2rem;
    height: 3em;
    overflow: hidden;
    width: 50%;
    display: inline-block;
    text-align: left;
}

.title-word {
    display: inline-block;
    font-size: 4rem;
    color: #ffff7c;
    position: absolute;
    opacity: 0;
    transform: translateY(100%);
    animation: slideUp var(--animation-duration) ease-out infinite; /* 무한 반복 */
}

/*
메인 페이지 검색
*/
.bd-search {
    position: relative;
    top: 10.875rem;
    width: 500px;
    margin: 0 auto;
    z-index: 2;
    background: var(--primary-white);;
    border-radius: 10px;
}

.input-container {
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 5px 5px;
    width: 500px;
    box-shadow: 0rem 0rem 3rem rgba(0, 0, 0, 15.15), inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    transition: border-color 1s;
}

.input-container input {
    border: none;
    outline: none;
    width: 100%;
    padding: 5px;
}

.input-container img {
    width: 20px;
    height: 20px;
}

.input-container.focused {
    border-color: blue;
}

.search-input-control:focus {
    outline: none; /* 파란색 테두리 제거 */
    box-shadow: none; /* 추가된 그림자 제거 */
}

/*
Search List 박스 style
*/
.search-dropdown-container {
    width: 100%;
    height: 435px;
    padding-top: 0;
    background: #f3f3f3;
    top: 50px;
}

.dropdown-header-box {
    border-radius: 5px 5px 0 0;
    padding: 5px 3px;
}

.dropdown-header {
    display: inline-block;
    font-size: 0.9rem;
    color: #712cf9;
}

.search-cancel-button {
    float: right;
    font-size: 0.9rem;
}

.search-cancel-button:hover {
    color: #712cf9;
    transition: color 0.5ms;
}

.search-list-container {
    margin: 0 20px;
    margin-bottom: 15px;
    height: 330px;
    background: var(--primary-white);
    border-radius: 10px;
    border: 1px solid #e3e3e3;
    overflow: scroll;
}

.search-list-container li:first-child a {
    border-radius: 5px 5px 0 0;
}

.search-list-container li:last-child a {
    border-radius: 0 0 5px 5px;
}

.search-list-container li:hover {
    color: #cccccc;
    transition: color 0.5ms;
}

.search-list-container a {
    padding: 8px 1rem;
}

.dropdown-menu .sub-title {
    text-after-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.search-list-container a:hover {
    color: var(--primary-white);
    background: #712cf9;
}

.dropdown-footer-box {
    position: absolute;
    bottom: 0;
    display: flex;
    align-items: center;
    width: 100%;
    height: 40px;
    padding: 3px 10px;
    background-color: white;
    border-radius: 0 0 5px 5px;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.5);
}

.dropdown-footer-box span {
    font-size: 0.8rem;
    color: #712cf9;
}

/*
검색 결과 없음
*/
.no-search-container {
    margin: 0 20px;
    margin-bottom: 15px;
    padding-top: 1rem;
    text-align: center;
}

.arrow-right-icon {
    color: var(--primary-white);;
    line-height: 25px;
}

/*
    card
*/

#article-list .card:hover {
    transform: translateY(-6px);
    transition-duration: 0.5s;
}

/*
캐러셀 이미지
*/

.background {
    position: relative;
    width: 100%;
    height: 100vh;
    background-image: url('../img/main-carousel-02.png'); /* 배경 이미지 */
    background-size: cover;
    background-position: center;
}

/* 검정색 오버레이 추가 */
.background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* 50% 투명도 검정색 */
    z-index: 1;
}