*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Pretendard', sans-serif;
}

body{
    background:#f8f8f8;
    color:#333;
}

header{
    width:100%;
    height:80px;
    background:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:0 10%;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
}

.logo{
    font-size:28px;
    font-weight:bold;
    color:#0a1367;
}

nav ul{
    display:flex;
    list-style:none;
}

nav li{
    margin-left:30px;
}

nav a{
    text-decoration:none;
    color:#333;
    font-weight:600;
}

nav a:hover{
    color:#0a1367;
}

.hero{
    height:600px;
    background:linear-gradient(rgba(0,0,0,.45),rgba(0,0,0,.45)),
    url("images/main.jpeg");
    background-size:cover;
    background-position:center;
    display:flex;
    align-items:center;
    padding-left:10%;
}

.hero-text{
    color:white;
}

.hero h1{
    font-size:60px;
    margin-bottom:15px;
}

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

.hero p{
    width:500px;
    line-height:1.8;
    margin-bottom:30px;
}

.btn{
    display:inline-block;
    background:#0a1367;
    color:white;
    text-decoration:none;
    padding:15px 35px;
    border-radius:40px;
    transition:.3s;
}

.btn:hover{
    background:#1624b5;
}

.posts{
    width:80%;
    margin:80px auto;
}

.posts h2{
    text-align:center;
    font-size:40px;
    margin-bottom:50px;
}

.post-container{
    display:flex;
    gap:30px;
    justify-content:center;
    flex-wrap:wrap;
}

.card{
    width:350px;
    background:white;
    border-radius:15px;
    overflow:hidden;
    box-shadow:0 5px 20px rgba(0,0,0,.08);
    transition:.3s;
}

.card:hover{
    transform:translateY(-10px);
}

.card img{
    width:100%;
    display:block;
}

.card h3{
    margin:20px;
}

.card p{
    margin:0 20px 20px;
    color:#666;
    line-height:1.6;
}

.card button{
    margin:20px;
    padding:12px 25px;
    border:none;
    background:#0a1367;
    color:white;
    border-radius:30px;
    cursor:pointer;
}

.card button:hover{
    background:#1624b5;
}

footer{
    background:#0a1367;
    color:white;
    text-align:center;
    padding:30px;
    margin-top:60px;
}
.article{
    width:80%;
    max-width:900px;
    margin:60px auto;
}

.article h1{
    margin-bottom:20px;
}

.article img{
    width:100%;
    border-radius:12px;
    margin:20px 0;
}

.article p{
    font-size:18px;
    line-height:1.8;
}