/* 기본 셋팅 및 폰트 */
:root {
    --primary-color: #f39c12;    /* 역동적인 오렌지 */
    --secondary-color: #1a2a3a;  /* 전통적인 다크 네이비 */
    --bg-light: #f8f9fa;
    --text-main: #333;
    --text-light: #777;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Noto Serif KR', serif;
    color: var(--text-main);
    line-height: 1.7;
    word-break: keep-all;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* 네비게이션 */
.floating-menu {
    position: fixed; width: 100%; top: 0; z-index: 1000;
    padding: 30px 0; transition: 0.4s;
}
.floating-menu.scrolled {
    background: rgba(26, 42, 58, 0.95);
    padding: 15px 0;
    backdrop-filter: blur(5px);
}
.menu-container { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 24px; color: #fff; }
.logo .year { color: var(--primary-color); font-size: 14px; vertical-align: top; }
.menu-items { display: flex; gap: 30px; align-items: center; }
.menu-items a { color: #fff; font-size: 16px; font-weight: 400; }
.menu-btn a { 
    background: var(--primary-color); padding: 8px 20px; border-radius: 4px; font-weight: 700;
}

/* Hero 섹션 */
.hero-section {
    height: 100vh; background: url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?auto=format&fit=crop&w=1920&q=80') center/cover fixed;
    display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; position: relative;
}
.hero-overlay { position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.4); }
.hero-content { position: relative; z-index: 10; }
.badge { font-family: 'Montserrat'; font-size: 14px; letter-spacing: 4px; color: var(--primary-color); margin-bottom: 20px; }
.hero-content h1 { font-size: clamp(40px, 8vw, 72px); line-height: 1.2; margin-bottom: 20px; }
.hero-content p { font-size: 20px; font-weight: 300; margin-bottom: 40px; opacity: 0.9; }
.hero-btns { display: flex; gap: 15px; justify-content: center; }
.btn { padding: 15px 35px; border-radius: 50px; font-weight: 700; }
.hero-btn { background: var(--primary-color); color: #fff; }
.hero-btn.outline { border: 2px solid #fff; background: transparent; }

/* 섹션 공통 */
.section { padding: 120px 0; }
.bg-light { background: var(--bg-light); }
.bg-dark { background: var(--secondary-color); color: #fff; }
.section-header { margin-bottom: 60px; display: flex; justify-content: space-between; align-items: flex-end; }
.section-header h2 { font-size: 36px; position: relative; }
.section-header .sub { display: block; font-family: 'Montserrat'; font-size: 14px; color: var(--primary-color); text-transform: uppercase; letter-spacing: 2px; }

/* 공지사항 */
.notice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.notice-card { background: #fff; padding: 30px; border-bottom: 4px solid #eee; transition: 0.3s; }
.notice-card:hover { border-bottom-color: var(--primary-color); transform: translateY(-5px); }
.notice-card .category { font-size: 12px; color: var(--primary-color); font-weight: 700; }
.notice-card h3 { margin: 15px 0; font-size: 18px; height: 54px; overflow: hidden; }
.notice-card .date { color: #999; font-size: 14px; }

/* 갤러리 */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.gallery-card { position: relative; overflow: hidden; border-radius: 8px; height: 300px; }
.gallery-card img { width:100%; height:100%; object-fit: cover; transition: 0.5s; }
.gallery-card .overlay { 
    position: absolute; bottom: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex; align-items: flex-end; padding: 20px; opacity: 0; transition: 0.3s;
}
.gallery-card:hover img { transform: scale(1.1); }
.gallery-card:hover .overlay { opacity: 1; }
.gallery-card span { color: #fff; font-size: 15px; }

/* 영상 섹션 */
.video-flex { display: flex; gap: 50px; align-items: center; }
.video-info { flex: 1; }
.video-wrapper { flex: 2; }
.video-container { position: relative; padding-bottom: 56.25%; height: 0; border-radius: 15px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.video-container iframe { position: absolute; width:100%; height:100%; top:0; left:0; }

/* 푸터 */
footer { background: #111; color: #666; padding: 60px 0; text-align: center; }
footer h3 { color: #fff; margin-bottom: 20px; font-family: 'Montserrat'; }
footer .copy { margin-top: 20px; font-size: 13px; }

/* 반응형 */
@media (max-width: 768px) {
    .menu-items { display: none; }
    .video-flex { flex-direction: column; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .about-content { grid-template-columns: 1fr; }
}