.hero-section {
    position: relative;
    background: url('../img/hero.jpg') center center/cover no-repeat;
    padding: 120px 20px;
    min-height: 70vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-section::before {
        content: "";
        position: absolute;
        inset: 0;        
background: linear-gradient(0deg, rgba(0, 0, 0, 0.60) 100%, rgba(255, 255, 255, 0) 100%);

    z-index: 1;
}

.hero-section .hero-content {
    position: relative;
    color: #fff;
    text-align: center;
    z-index: 2;
}
.pub-card {
    border: none;
    border-radius: 18px;
    padding: 25px;
    background: white;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    transition: all .25s ease;
}

.pub-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.pub-title {
    font-weight: 600;
    font-size: 1.25rem;
    color: #1a1a1a;
}

.pub-meta {
    font-size: 0.9rem;
    color: #6c757d;
}

.btn-download {
    border-radius: 12px;
    padding: 8px 18px;
    background-color: #ff0000; /* contoh agar sesuai tema header */
    color: white;
    border: none;
    transition: background .25s ease;
}

.btn-download:hover {
    background-color: #bf0000; /* lebih gelap saat hover */
}