body {
    font-family: 'Helvetica', sans-serif;
}
#tentang-applikasi {
    padding: 120px 0;
    background: #f8fafd;
    position: relative;
    overflow: hidden;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
}
#tentang-applikasi .container {
    position: relative;
    z-index: 2;
}
#tentang-applikasi .shape {
    position: absolute;
    top: -80px;
    right: -40px;
    height: 120px;
    opacity: 0.15;
    z-index: 1;
}
#tentang-applikasi small {
    color: #888;
    font-weight: 600;
    margin-bottom: 18px;
    display: block;
}
#tentang-applikasi h2 {
    font-weight: 700;
    margin-bottom: 0;
    line-height: 1.2;
}
#tentang-applikasi .section-btn {
    margin-left: 24px;
    margin-top: 18px;
    min-width: 160px;
    font-weight: 600;
    border-radius: 8px;
    background: #a084ee;
    color: #fff;
    border: none;
    transition: background 0.2s;
}
#tentang-applikasi .section-btn:hover {
    background: #7f9cf5;
    color: #fff;
}
#tentang-applikasi .step-row {
    padding-top: 60px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px 0px;
}
#tentang-applikasi .card {
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    border: none;
    padding: 32px 24px 28px 24px;
    margin-bottom: 0;
    min-height: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s, transform 0.2s;
}
#tentang-applikasi .card:hover {
    box-shadow: 0 16px 48px 0 rgba(31, 38, 135, 0.14);
    transform: translateY(-6px) scale(1.03);
}
#tentang-applikasi .icon-round {
    width: 80px;
    height: 80px;
    background: #f3e8ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
    box-shadow: 0 2px 12px 0 rgba(160, 132, 238, 0.08);
}
#tentang-applikasi .icon-round img,
#tentang-applikasi .icon-round i {
    font-size: 2.2rem;
    color: #a084ee;
    max-height: 60px;
}
#tentang-applikasi h5 {
    color: #888;
    font-weight: 600;
    margin-top: 10px;
    margin-bottom: 0;
    font-size: 1.05rem;
}
#tentang-applikasi h3 {
    font-weight: 700;
    margin: 12px 0 10px 0;
    font-size: 1.25rem;
}
#tentang-applikasi p {
    color: #222;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 0;
    font-weight: 400;
}

/* Responsive Design */
@media (max-width: 1200px) {
    #tentang-applikasi {
        padding: 100px 0 80px 0;
    }
    #tentang-applikasi .card {
        min-height: 300px;
    }
}

@media (max-width: 992px) {
    #tentang-applikasi {
        padding: 80px 0 60px 0;
    }
    #tentang-applikasi .step-row {
        gap: 24px 0;
    }
    #tentang-applikasi .card {
        min-height: 320px;
        padding: 28px 16px 24px 16px;
    }
    #tentang-applikasi h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    #tentang-applikasi {
        padding: 70px 0 60px 0;
    }
    #tentang-applikasi .step-row {
        flex-direction: row;
        gap: 18px 0;
        padding-top: 36px;
    }
    #tentang-applikasi .card {
        min-height: 0;
        padding: 22px 10px 18px 10px;
    }
    #tentang-applikasi .section-btn {
        margin-left: 0;
        margin-top: 18px;
        width: 100%;
    }
    #tentang-applikasi h2 {
        font-size: 1.75rem;
    }
    #tentang-applikasi .icon-round {
        width: 60px;
        height: 60px;
    }
    #tentang-applikasi .icon-round img,
    #tentang-applikasi .icon-round i {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    #tentang-applikasi {
        padding: 50px 0 40px 0;
    }
    #tentang-applikasi h2 {
        font-size: 1.5rem;
    }
    #tentang-applikasi p {
        font-size: 0.95rem;
    }
    #tentang-applikasi .card {
        padding: 20px 15px;
    }
    #tentang-applikasi .icon-round {
        width: 50px;
        height: 50px;
    }
    #tentang-applikasi .icon-round img,
    #tentang-applikasi .icon-round i {
        font-size: 1.5rem;
    }
}