.kelas-hero {
    background: #0b1f3a;
    color: #fff;
    padding: 100px 20px 60px;
    overflow: hidden;
    position: relative;
    margin-top: 70px;
    text-align: center; 
}

.kelas-hero .hero-container {
    display: flex;
    flex-direction: column;
    align-items: center; 
    justify-content: center;
    gap: 15px;
    z-index: 1;
    margin-top: -10px;
}

.kelas-hero .hero-text h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.kelas-hero .hero-text p {
    margin-top: 12px;
    opacity: 0.9;
    font-size: 1.1rem;
    color: #e6ebff;
    max-width: 700px;
}

.portfolio-section {
    background: #0b1f3a;
    color: #fff;
    padding: 60px 0 70px;
    border-top: none;
    margin-top: -10px;
}

.portfolio-card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    color: #fff;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0px 12px 25px rgba(0, 0, 0, 0.3);
}

.portfolio-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.portfolio-card .card-body {
    padding: 20px;
}

.portfolio-card .tags span {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 5px;
}

.portfolio-card .card-title {
    color: #fff;
    font-weight: 700;
    margin-top: 10px;
}

.portfolio-card .card-text {
    color: #dce4ff;
}

.portfolio-card .year {
    text-align: right;
    font-weight: 600;
    font-size: 0.9rem;
    color: #a9b6d4;
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

footer, .footer, #footer {
    display: none !important;
}

body {
    background: #0b1f3a;
    color: #fff;
}