/* DANE 메인 페이지 스타일 */

/* FullPage.js 스타일 */
#fullpage {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 메인 슬라이드 */
.section .slide {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main_text {
    text-align: center;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    z-index: 10;
}

.main_text h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.main_text p {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
}

/* 공지사항 섹션 */
.section:nth-child(2) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.section h3 {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    text-align: center;
}

.section h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

.notice_list {
    max-width: 800px;
    margin: 0 auto;
}

.notice_item {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.notice_item:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.2);
}

.notice_item .category {
    display: inline-block;
    background: rgba(255,255,255,0.3);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.notice_item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.notice_item h4 a {
    color: white;
    text-decoration: none;
}

.notice_item h4 a:hover {
    text-decoration: underline;
}

.notice_item .date {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Faculty 섹션 */
.section:nth-child(3) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.faculty_slider {
    display: flex;
    justify-content: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faculty_item {
    flex: 1;
    max-width: 300px;
}

.faculty_item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.faculty_item img:hover {
    transform: scale(1.05);
}

/* Research 섹션 */
.section:nth-child(4) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

.research_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.research_item {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.research_item:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.2);
}

.research_item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.research_item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* Video 섹션 */
.section:nth-child(5) {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
}

.video_container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.video_container iframe {
    display: block;
    width: 100%;
    height: 420px;
}

/* 버튼 스타일 */
.btn_wrap {
    text-align: center;
    margin-top: 2rem;
}

.btn_more {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn_more:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.research_item .btn_more {
    background: transparent;
    border: 2px solid white;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.research_item .btn_more:hover {
    background: white;
    color: #333;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .main_text h2 {
        font-size: 2.5rem;
    }
    
    .main_text p {
        font-size: 1.2rem;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .faculty_slider {
        flex-direction: column;
        align-items: center;
    }
    
    .research_grid {
        grid-template-columns: 1fr;
    }
    
    .video_container iframe {
        height: 250px;
    }
}

/* FullPage.js 네비게이션 */
#fp-nav ul li a span {
    background: rgba(255,255,255,0.5);
}

#fp-nav ul li a.active span {
    background: white;
}

.fp-slidesNav ul li a span {
    background: rgba(255,255,255,0.5);
}

.fp-slidesNav ul li a.active span {
    background: white;
}

/* 스크롤 힌트 */
.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 0.9rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}