/* --- 변수 설정 --- */
:root {
    --main-color: #81c5b3; /* 민트 그린 */
    --point-color: #f7941d; /* 오렌지 */
    --dark-text: #333;
    --light-bg: #f9fbfb;
}

/* --- 기본 초기화 --- */
* { margin:0; padding:0; box-sizing: border-box; }
body { font-family: 'Noto Sans KR', sans-serif; color: var(--dark-text); line-height: 1.6; background-color: #fff; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.section { padding: 80px 0; }
.bg-light { background-color: var(--light-bg); }
.text-center { text-align: center; }

/* --- 내비게이션 바 (Premium) --- */
.main-header {
    background-color: rgba(255, 255, 255, 0.98);
    height: 85px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid #f0f0f0;
}
.header-wrapper { display: flex; justify-content: space-between; align-items: center; width: 100%; }
/* --- [수정] 이미지 로고 전용 스타일 (기존 .logo 스타일 교체) --- */
.logo {
    display: flex;
    align-items: center;
    height: 100%; /* 헤더 높이에 맞춤 */
}

.logo img {
    /* [매우 중요] 로고 이미지의 높이를 적절히 조절해서 헤더가 너무 커지지 않게 합니다. */
    max-height: 60px; /* 85px 헤더 높이를 고려하여 60px로 설정 (원하는 대로 조절 가능) */
    width: auto; /* 비율 유지 */
    display: block;
}
.main-menu ul { display: flex; gap: 40px; }
.main-menu a { font-size: 17px; font-weight: 500; color: #555; transition: 0.3s; position: relative; }
.main-menu a:hover { color: var(--main-color); }
.main-menu a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--main-color); transition: 0.3s; }
.main-menu a:hover::after { width: 100%; }

.user-actions { display: flex; align-items: center; gap: 20px; }
.link-login { color: #777; font-size: 15px; }
.btn-signup-accent {
    background-color: var(--point-color);
    color: #fff !important;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(247, 148, 29, 0.3);
    transition: 0.3s;
}
.btn-signup-accent:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(247, 148, 29, 0.4); }

/* --- 섹션 스타일 --- */
.hero { 
    height: 600px; 
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('hero_bg.jpg') no-repeat center/cover; 
    display: flex; align-items: center; justify-content: center; text-align: center; color: white;
}
.hero h2 { font-size: 50px; line-height: 1.3; margin-bottom: 20px; }
.hero h2 span { color: #ffe45c; }
.stats-bar { background: var(--main-color); color: white; padding: 40px 0; text-align: center; }
.stat-item strong { font-size: 35px; display: block; }

/* --- 버튼 및 카드 --- */
.btn { padding: 12px 35px; border-radius: 5px; font-weight: 600; display: inline-block; transition: 0.3s; border: none; cursor: pointer; }
.btn-point { background: var(--point-color); color: white; }
.btn-white { background: white; color: var(--main-color); }
.btn-main { background: var(--main-color); color: white; width: 100%; margin-top: 15px; }
.card { background: white; padding: 40px 25px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); text-align: center; }
.service-card i { font-size: 45px; color: var(--main-color); margin-bottom: 20px; }

/* --- 게시판 --- */
.board-box { background: white; padding: 30px; border-radius: 15px; }
.board-header { border-bottom: 2px solid #eee; padding-bottom: 15px; margin-bottom: 15px; }
.list-std li { padding: 12px 0; border-bottom: 1px solid #f5f5f5; font-size: 15px; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.gallery-item { height: 120px; border-radius: 10px; position: relative; overflow: hidden; display: flex; align-items: flex-end; }
.gallery-item span { background: rgba(0,0,0,0.5); color: white; width: 100%; padding: 5px; font-size: 12px; text-align: center; }

footer { background: #333; color: #999; padding: 40px 0; }