#ssl-certificates {
    background-color: var(--bg-light);
    border: 1px solid rgba(0, 0, 0, .125);
    border-width: 0 0 1px;
    line-height: 1.5rem;

    h2 {
        font-size: 1.75rem;
        color: var(--accent-dark);
        font-weight: 700;
    }

    p.lead {
        font-size: 1.2rem;
        font-weight: 600;
    }

    p.text-muted {
        color: var(--gray);
        font-size: 0.9rem;
    }

    .btn-filter {
        border: none;
        background-color: var(--accent);
        color: #fff;
        font-weight: 600;
        margin: 0.25rem;
        border-radius: 4px;
    }

    .btn-filter.active,
    .btn-filter:hover {
        background-color: var(--accent-dark);
    }

    .btn-sub-filter {
        border: none;
        background-color: #f1f1f1;
        color: var(--neutral);
        font-weight: 600;
        margin: 0.25rem;
        border-radius: 4px;
    }

    .btn-sub-filter.active,
    .btn-sub-filter:hover {
        background-color: #0d6efd;
        color: #fff;
    }

    .ssl-card {
        border: 1px solid #e5e5e5;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        transition: transform 0.2s ease;
    }

    .ssl-card .card-header img {
        max-height: 29px;
    }

    .ssl-card .card-header {
        min-height: 150px;
        text-align: center;
    }

    .ssl-card:hover {
        transform: translateY(-5px);
    }

    .ssl-card .card-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--neutral);
    }

    .ssl-card .card-subtitle {
        font-size: 0.9rem;
    }

    .ssl-card .rating {
        color: #ffcc00;
        font-size: 1.1rem;
    }

    .ssl-card ul {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    .ssl-card ul li {
        font-size: 0.9rem;
        color: #333;
        display: flex;
        align-items: center;
    }

    .ssl-card ul li i {
        color: var(--accent);
        margin-right: 8px;
    }

    .ssl-card .price {
        font-size: 1.2rem;
        font-weight: 700;
        color: #333;
    }

    .ssl-card .btn-primary {
        background-color: var(--accent);
        border-color: var(--accent);
        font-weight: 600;
        max-width: fit-content;
    }

    .ssl-card .btn-primary:hover {
        background-color: var(--accent-dark);
        border-color: var(--accent-dark);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    #ssl-certificates h2 {
        font-size: 1.5rem;
    }

    .ssl-card .card-title {
        font-size: 1rem;
    }

    .ssl-card .price {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    #ssl-certificates .row {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .ssl-card {
        margin-bottom: 1.5rem;
    }

    .btn-filter,
    .btn-sub-filter {
        flex: 1 1 45%;
        margin: 0.25rem 0;
    }
}