.cs-banner {
    background: linear-gradient(135deg, #4a90e2, #67b26f);
    padding: 80px 0;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cs-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cs-banner p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #e0e0e0;
}

.cs-features {
    padding: 50px 0;
    background: #f8f9fa;
}

.feature-box {
    text-align: center;
    padding: 32px 24px;
    margin: 15px 0;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.feature-box i {
    font-size: 2.5rem;
    color: #4a90e2;
    margin-bottom: 15px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.feature-box:hover i {
    transform: scale(1.1);
}

.feature-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
}

.feature-box:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4a90e2, #67b26f);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-box:hover:before {
    opacity: 1;
}

.feature-box h3 {
    color: #333;
    margin: 20px 0;
}

.feature-box p {
    color: #666;
    line-height: 1.6;
}

.buy-button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #4a90e2, #67b26f);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.text-center {
    text-align: center;
}

.mb-5 {
    margin-bottom: 3rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 15px;
}

@media (max-width: 768px) {

    .cs-banner {
        padding: 40px 0;
    }

    .cs-banner h1 {
        font-size: 2rem;
    }

    .cs-banner p {
        font-size: 1rem;
    }

    .cs-features {
        padding: 30px 0;
    }

    .feature-box {
        padding: 24px 16px;
        margin: 10px 0;
    }

    .feature-box i {
        font-size: 2rem;
    }

    .col-md-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .buy-button {
        padding: 10px 20px;
        font-size: 1rem;
    }
}