.systems-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.system-card {
    background: var(--bg-color);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    box-shadow: 0 0.5rem 1.5rem var(--shadow-color);
    transition: transform 0.5s ease;
    text-align: center;
    border-top: 5px solid var(--main-color);
}

.system-card:hover {
    transform: translateY(-10px);
}

.system-icon {
    width: 80px;
    height: 80px;
    background: rgba(117, 78, 249, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.system-icon i {
    font-size: 3.5rem;
    color: var(--main-color);
}

.system-card h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.system-card p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.system-card ul {
    text-align: left;
    list-style: none;
    margin-bottom: 3rem;
}

.system-card ul li {
    font-size: 1.4rem;
    padding: 0.8rem 0;
    position: relative;
    padding-left: 2.5rem;
}

.system-card ul li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--main-color);
}