/* animejs 애니메이션 배너 */
.section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    background-color: #ffffff;
    padding: 50px 0;
    margin-top: 5%;
}

.image-container2 {
    flex: 1;
    max-width: 50%;
    overflow: hidden;
}

.image-container2 img {
    width: 70%;
    height: 70%;
    object-fit: cover;
    display: block;
}


.text-container h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.text-container h2 strong {
    color: #000;
}

.text-container p {
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    margin-bottom: 30px;
}

.btn2 {
    display: inline-block;
    padding: 10px 0;
    font-size: 16px;
    background: none;
    color: #000;
    cursor: pointer;
    text-decoration: none;
    border: none;
    border-bottom: 2px solid #000;
    /* 항상 밑줄 표시 */
    position: relative;
    transition: all 0.3s ease;
}

.btn2::after {
    content: '→';
    font-weight: bold;
    display: inline-block;
    margin-left: 40px;
    transition: transform 0.3s ease;
}

.btn2:hover::after {
    transform: translateX(4px);
    color: #007bff;
    /* 화살표만 살짝 이동 */
}

@supports not (clip-path: path('')) {
    .image-container {
        clip-path: ellipse(65% 70% at 40% 50%);
    }
}

/* 반응형 미디어 쿼리 */
@media (max-width: 768px) {
    .section {
        flex-direction: column;
        padding: 30px 20px;
        text-align: center;
        margin-top: 20%;
    }

    .image-container2 {
        max-width: 100%;
    }

    .image-container2 img {
        width: 100%;
        height: auto;
    }

    .text-container {
        padding: 20px 10px;
    }

    .text-container h2 {
        font-size: 24px;
    }

    .text-container p {
        font-size: 14px;
    }
}

/*  */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans KR', sans-serif;
}

body {
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: #4a6bff;
    color: white;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #3a56d4;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 107, 255, 0.3);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.2rem;
    color: #333;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 70px;
    height: 4px;
    background-color: #4a6bff;
    margin: 15px auto 0;
}

/* 헤더 */
header {
    background-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

header .logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #4a6bff;
}

header .logo span {
    color: #ff6b6b;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #4a6bff;
}

header .mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 메인 비주얼 */
.main-visual {
    background: url('../image/main_Banner.png') center/cover no-repeat;
    background-position: center center;
    color: white;
    padding: 180px 0 100px;
    text-align: center;
    position: center;

    height: 100vh !important;
    min-height: 600px;
    /* 최소 높이 보장 */
}

.main-visual h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s;
    text-shadow: -1px 0px pink, 0px 1px pink, 1px 0px pink, 0px -1px pink;
}

.main-visual p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fadeInUp 1s 0.3s forwards;
    opacity: 0;
}

.main-visual .btn {
    animation: fadeInUp 1s 0.6s forwards;
    opacity: 0;
}


/* 문의하기 */
.contact-section {
    padding: 100px 0;
    background-color: white;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: #f9f9f9;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* 푸터 */
footer {
    background-color: #2a3547;
    color: white;
    padding: 20px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-logo span {
    color: #ff6b6b;
}

.footer-info p {
    margin-bottom: 10px;
    color: #bbb;
}

.footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-contact h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #4a6bff;
}


.footer-contact p {
    color: #bbb;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-contact p i {
    margin-right: 10px;
    color: #4a6bff;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #3a4557;
    color: #bbb;
    font-size: 0.9rem;
}

/* 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .header-container {
        padding: 15px 0;
    }

    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 9999;
        background-color: rgba(255, 255, 255, 0.45);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
    }

    header.hide {
        transform: translateY(-100%);
    }

    nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px;
        transform: translateY(-150%);
        transition: transform 0.3s;
    }

    header .logo {
        margin-left: 5%;
        font-size: 1.6rem;
    }

    nav.active {
        transform: translateY(0);
    }

    nav ul {
        flex-direction: column;
    }

            /*  모바일 해더 뒤에 흰색 */
    nav ul li {
        margin: 0 0 24% 0;
    }

    header .mobile-menu-btn {
        display: block;
        margin-right: 10%;
    }

    .main-visual {
        height: 100vh;
        min-height: 500px;
        background-position: 25% top;
        /* padding: 150px 0 80px; */
    }

    .main-visual h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    .program-section,
    .teacher-section,
    .timetable-section,
    .notice-section,
    .contact-section {
        padding: 70px 0;
    }

    .timetable th,
    .timetable td {
        padding: 10px 5px;
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 30px 20px;
    }
}









/* 초기 위치 이미지 기울어진 거*/
.image-item:nth-child(1) {
    transform: translate(10%, -5%) rotate(5deg);
    z-index: 3;
}

.image-item:nth-child(2) {
    transform: translate(-5%, 5%) rotate(-3deg);
    z-index: 2;
}

.image-item:nth-child(3) {
    transform: translate(5%, 10%) rotate(2deg);
    z-index: 1;
}





/* 메인 배너 이미지 상담문의 버튼 */
/* 상담문의 버튼 스타일 */
.btna {
    position: relative;
    display: inline-block;
    padding: 15px 35px;
    margin: 40px 0;
    color: #000000;
    text-decoration: none;
    text-transform: uppercase;
    transition: 0.5s;
    letter-spacing: 4px;
    overflow: hidden;
    margin-right: 50px;
    margin-top: 15%;
    font-weight: bold;
}

.btna:hover {
    background: #ffffff;
    color: #050801;
    box-shadow: 0 0 5px #ffffff,
        0 0 25px #ffffff,
        0 0 50px #ffffff,
        0 0 200px #ffffff;
    -webkit-box-reflect: below 1px linear-gradient(transparent, #0005);
}

.btna span {
    position: absolute;
    display: block;
}

.btna span:nth-child(1) {
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ffffff);
    animation: animate1 1s linear infinite;
}

@keyframes animate1 {
    0% {
        left: -100%;
    }

    50%,
    100% {
        left: 100%;
    }
}

.btna span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #ffffff);
    animation: animate2 1s linear infinite;
    animation-delay: 0.25s;
}

@keyframes animate2 {
    0% {
        top: -100%;
    }

    50%,
    100% {
        top: 100%;
    }
}

.btna span:nth-child(3) {
    bottom: 0;
    right: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, #fafafa);
    animation: animate3 1s linear infinite;
    animation-delay: 0.50s;
}

@keyframes animate3 {
    0% {
        right: -100%;
    }

    50%,
    100% {
        right: 100%;
    }
}

.btna span:nth-child(4) {
    bottom: -100%;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, #ffffff);
    animation: animate4 1s linear infinite;
    animation-delay: 0.75s;
}

@keyframes animate4 {
    0% {
        bottom: -100%;
    }

    50%,
    100% {
        bottom: 100%;
    }
}


/*  */

/* 공지사항 5개 보이는 섹션 */
/* 게시물 5개 */
/* 공지사항 섹션 스타일 */
.notice-section {
    max-width: 1200px;
    margin: 50px auto;
    padding: 0 20px;
}

.notice-container {
    background: #fff;
    /* border-radius: 8px; */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #ffffff;
    border-bottom: 1px solid #575c60;
}

.notice-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: #333;
}

.more-link {
    font-size: 0.9rem;
    color: #6c757d;
    text-decoration: none;
    transition: color 0.2s;
}

.more-link:hover {
    color: #5bacfe;
    text-decoration: underline;
}

.notice-board {
    padding: 20px;
}

/* 테이블 스타일 */
#latestPostsTable {
    width: 100%;
    border-collapse: collapse;
}

#latestPostsTable tr {
    border-bottom: 1px solid #959595;
    transition: background-color 0.2s;
}

#latestPostsTable tr:hover {
    background-color: #ffffff;
}

#latestPostsTable td {
    padding: 12px 15px;
}

#latestPostsTable .title {
    font-weight: 500;
    color: #212529;
}

#latestPostsTable .date {
    color: #62676c;
    text-align: right;
    white-space: nowrap;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .notice-section {
        margin: 30px auto;
        padding: 0;
    }

    .notice-header {
        padding: 15px;
    }

    .notice-board {
        padding: 15px;
    }

    #latestPostsTable td {
        padding: 10px;
        font-size: 0.9rem;
    }
}


/* 기본적으로 요소들을 숨김 */
.fade-element {
    opacity: 0;
    transform: translateY(30px) translateZ(0);
    /* iOS호환용 하드웨어 가속 적용 */
    transform: translateY(30px);
    /* 아래에서 위로 올라오는 효과 */
    transition: opacity 1.6s ease-out, transform 1.6s ease-out;
    /* iOS 호환용 */
    -webkit-transition: opacity 1.6s ease-out, -webkit-transform 1.6s ease-out;
    will-change: opacity, transform;
    /* iOS 성능 최적화 */
}

/* 화면에 보일 때 fade-in 효과 */
.fade-element.visible {
    opacity: 1;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    /* iOS 지원 */
}