/*
@font-face {
    font-family: 'GoseongGeumgangNuri';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2205@1.0/GOSEONGGEUMGANGNURI.woff2') format('woff2');
    font-weight: normal;
    font-display: swap;
}
*/

@font-face {
    font-family: 'GoseongGeumgangNuri';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2205@1.0/GOSEONGGEUMGANGNURI.woff2') format('woff2');
    font-weight: normal;
    font-display: swap;
}

:root {
    --bg-color: #58C3FF;
    --point-yellow: #FFD700;
    --border-line: #000000;
    --card-bg: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    font-family: 'GoseongGeumgangNuri', sans-serif;
    color: var(--border-line);
    line-height: 1.6;
}

/* 2. 네비바: 더 굵고 강렬하게 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: #000;
    border-bottom: 5px solid var(--border-line);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-logo {
    color: #fff;
    font-size: 24px;
    text-transform: uppercase;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
    transition: 0.2s;
}

.nav-links a:hover {
    color: var(--point-yellow);
}

/* 3. 히어로 섹션: 입체감 부여 */
.hero {
    background-color: #58C3FF;
    text-align: center;
    border-top: none; /* 첫 섹션은 선 제외 */
    padding: 150px 0;
}

.hero img {
    width: 220px;
    image-rendering: pixelated;
    filter: drop-shadow(8px 8px 0px rgba(0,0,0,0.2));
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 80px; /* 크기를 확 키웠습니다 */
    margin-bottom: 20px;
    text-shadow: 6px 6px 0px #fff;
    -webkit-text-stroke: 2px var(--border-line);
}

.slogan {
    font-size: 20px;
    background: #fff;
    padding: 10px 20px;
    border: 4px solid var(--border-line);
    box-shadow: 8px 8px 0px var(--border-line);
    display: inline-block;
    margin-bottom: 50px;
}

/* 4. 버튼: 클릭하는 손맛(애니메이션) */
.btn {
    display: inline-block;
    padding: 20px 40px;
    font-size: 18px;
    text-decoration: none;
    color: var(--border-line);
    background: var(--card-bg);
    border: 4px solid var(--border-line);
    box-shadow: 8px 8px 0px var(--border-line);
    position: relative;
    transition: 0.1s;
    margin: 10px;
}

.btn.primary {
    background: var(--point-yellow);
}

.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 10px 10px 0px var(--border-line);
}

.btn:active {
    transform: translate(6px, 6px);
    box-shadow: 0px 0px 0px var(--border-line);
}

/* 5. 카드 섹션: 그리드 배치 */
.why-section {
    background-color: #ffffff;
    text-align: center;
}

.section-title {
    display: inline-block;
    background: #FFD700;
    padding: 15px 40px;
    border: 5px solid #000;
    box-shadow: 10px 10px 0px #000;
    font-size: 32px;
    margin-bottom: 60px;
}

.card-container {
    display: flex;
    justify-content: center; /* 카드들을 중앙으로 */
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pixel-card {
    background: var(--card-bg);
    border: 5px solid var(--border-line);
    padding: 40px;
    box-shadow: 12px 12px 0px var(--border-line);
    transition: 0.2s;
}

.pixel-card:hover {
    transform: rotate(-2deg); /* 살짝 회전하는 효과 */
}

.pixel-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #0066FF;
}

/* 6. 정보 박스: 블랙 & 화이트 대비 */
.info-section {
    background-color: #000000;
    color: #ffffff;
}

.info-box {
    max-width: 900px;
    margin: 0 auto 50px;
    border: 4px solid #fff;
    padding: 50px;
}

.info-box h2 {
    color: var(--point-yellow);
    font-size: 30px;
    margin-bottom: 40px;
    border-bottom: 2px solid #fff;
    padding-bottom: 10px;
}

.curr-group {
    margin-bottom: 40px;
}

.curr-item {
    margin-bottom: 20px;
    padding-left: 20px;
    border-left: 4px solid var(--bg-color);
}

.curr-item strong {
    display: block;
    font-size: 18px;
    margin-bottom: 5px;
}

.curr-item p {
    font-family: sans-serif; /* 본문 가독성 */
    font-size: 14px;
    color: #ccc;
}

/* 7. 푸터 */
.footer {
    padding: 60px;
    text-align: center;
    background: #111;
    color: #666;
    font-size: 12px;
}

.kakao-link {
    color: var(--point-yellow);
    text-decoration: none;
    display: block;
    margin-top: 10px;
}

section {
    padding: 100px 0;
    border-top: 10px solid #000; /* 섹션 사이의 아주 굵은 경계선 */
}

.container {
    max-width: 1200px; /* 최대 너비 설정 */
    margin: 0 auto;    /* 중앙 정렬의 핵심 */
    width: 90%;        /* 모바일 대비 */
}

.activity-section {
    width: 100% !important;
    background-color: #58C3FF;
    padding: 100px 0;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    border-top: 10px solid #000; /* 섹션 구분선 */
}

.photo-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important; 
    gap: 30px !important; /* 카드 사이 간격 */
    width: 100%;
    margin-top: 50px;
}

.photo-card {
    background: #fff;
    border: 5px solid #000;
    padding: 15px;
    box-shadow: 10px 10px 0px #000;
    width: 100%;
    /* 카드가 너무 세로로 길어지지 않게 관리 */
    display: flex;
    flex-direction: column;
}

.photo-card img {
    width: 100% !important;
    height: 280px !important; /* 모든 사진 높이 통일 */
    object-fit: cover !important; /* 비율 유지하며 채우기 */
    border: 3px solid #000;
    margin-bottom: 15px;
}

/* 모바일에서는 1열로 */
@media (max-width: 768px) {
    .photo-grid {
        grid-template-columns: 1fr !important;
    }
}