/* ===== BLOG PREMIUM ===== */
.blog{
    max-width:900px;
    margin:40px auto;
    background:linear-gradient(180deg,#ffffff,#f7fbff);
    padding:35px;
    border-radius:20px;
    box-shadow:0 15px 40px rgba(0,0,0,.10);
    position:relative;
    overflow:hidden;
}

/* garis aksen kiri */
.blog::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    width:6px;
    height:100%;
    background:linear-gradient(#0056d6,#00a2ff);
}

/* judul */
.blog h1{
    color:#0a3d91;
    font-size:32px;
    margin-bottom:15px;
    line-height:1.3;
}

/* gambar */
.blog img{
    width:100%;
    border-radius:15px;
    margin:20px 0;
    box-shadow:0 10px 25px rgba(0,0,0,.15);
}

/* paragraf */
.blog p{
    font-size:16px;
    line-height:1.8;
    color:#444;
    margin-bottom:15px;
}

/* sub judul */
.blog h2{
    margin-top:25px;
    color:#0056d6;
    font-size:22px;
    position:relative;
    padding-left:15px;
}

/* garis kecil di h2 */
.blog h2::before{
    content:"";
    position:absolute;
    left:0;
    top:5px;
    width:5px;
    height:70%;
    background:#00a2ff;
    border-radius:10px;
}

/* list */
.blog ul{
    padding-left:20px;
    margin-top:10px;
}

.blog ul li{
    margin-bottom:10px;
    color:#444;
    position:relative;
    padding-left:10px;
}

/* bullet custom */
.blog ul li::before{
    content:"✔";
    color:#00a2ff;
    margin-right:8px;
}

/* tombol back */
.back-btn{
    display:inline-block;
    margin:20px auto;
    padding:10px 20px;
    background:linear-gradient(135deg,#0056d6,#00a2ff);
    color:white;
    border-radius:30px;
    text-decoration:none;
    font-weight:bold;
    box-shadow:0 10px 20px rgba(0,86,214,.3);
    transition:.3s;
}

.back-btn:hover{
    transform:translateY(-3px);
    box-shadow:0 15px 25px rgba(0,86,214,.4);
}