/* =====================================
   CARD BACKGROUND UNTUK SETIAP ARTIKEL
   VERSI BIRU FORMAL
===================================== */

/* Container artikel */
.obj_article_summary {
    background: linear-gradient(135deg, #f0f6fb, #ffffff);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-left: 5px solid #2f6690; /* GANTI JADI BIRU */
}

/* Hover effect */
.obj_article_summary:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.15);
}

/* Judul artikel */
.obj_article_summary .title a {
    font-weight: 600;
    color: #1d3557 !important;
    transition: 0.3s;
}

.obj_article_summary .title a:hover {
    color: #2f6690 !important;
}

/* DOI lebih elegan */
.obj_article_summary .doi a {
    color: #2f6690 !important;
    font-weight: 500;
}

/* Abstract & download info */
.obj_article_summary .meta {
    font-size: 14px;
    color: #444;
}

/* Tombol PDF */
.obj_article_summary .obj_galley_link {
    background: linear-gradient(135deg, #2f6690, #1d3557);
    color: white !important;
    border-radius: 25px;
    padding: 6px 18px !important;
    font-weight: 500;
    transition: 0.3s;
}

.obj_article_summary .obj_galley_link:hover {
    background: #16324f;
}