body {
    color: #333;
    background: #f8f9fa;
}

ul {
    margin-top: 0;
}



.page-container {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    flex-wrap: wrap;
}

.content {
    flex: 1 1 65%;
}

h1, h2, h3, h4, h5, h6 {
    color: #004b87;
    display: block;
    margin-left: 0;
    margin-right: 0;
    font-weight: bold;
    text-transform: inherit;
}

h4, h5, h6 {
    color: #022f52;
}

h1 {
    font-size: 2em;
    margin-top: 0.67em;
    margin-bottom: 0.67em;
}

h2 {
    font-size: 1.5em;
    margin-top: 0.83em;
    margin-bottom: 0.83em;
}

h3 {
    font-size: 1.3em;
    margin-top: 1em;
    margin-bottom: 1em;
}

h4 {
    font-size: 1em;
    margin-top: 1.33em;
    margin-bottom: 1.33em;
}

h5 {
    font-size: .83em;
    margin-top: 1.67em;
    margin-bottom: 1.67em;
}

h6 {
    font-size: .67em;
    margin-top: 2.33em;
    margin-bottom: 2.33em;
}

.parabutt {
    background-color: #bee5f8;
    color: #0052BA !important;
    padding: 2px 8px;
    border-radius: 40px;
    text-decoration: underline;
}

.benifiticons {
    position: absolute;
    left: 20px;
    font-size: 6rem;
    color: rgba(100,100,100,0.3);
    top: -10px;
}

.benifiticons-box {
    background-color: #e9f5ff;
    padding: 8px;
    border-radius: 5px;
}

.sticky-sidebar {
    flex: 1 1 30%;
    position: sticky;
    top: 100px;
    align-self: start;
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

    .sticky-sidebar h3 {
        font-size: 1.7rem;
        margin-bottom: 1rem;
    }

    .sticky-sidebar ul {
        list-style: none;
        padding: 0;
        margin: 0 0 1rem 0;
    }

    .sticky-sidebar li {
        margin-bottom: 0.75rem;
    }

.cta-button {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    background: #0077c8;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
}

    .cta-button:hover {
        color: gray;
    }

.upgradeneed {
    display: inline-block;
    height: 100%;
    width: 100%;
    background-color: #e9f5ff; /*rgba(0, 0, 0, 0.25);*/
    background-image: linear-gradient( to right, rgba(2, 10, 0, 0.5), #e9f5ff ), url("/Content/Images/commercial/commercial-boiler-workfull.png");
    background-size: cover;
    border-left: 15px solid #004b87;
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
    transform: scaleX(-1);
}
.imgboiler{
    background-image: linear-gradient( to right, rgba(2, 10, 0, 0.5), #e9f5ff ), url("/Content/Images/commercial/commercial-boiler-workfull.png");
}
.imgmakupair{
    background-image: linear-gradient( to right, rgba(2, 10, 0, 0.5), #e9f5ff ), url("/Content/Images/commercial/commercial-make-up-air-work.png");
}
.imgrooftop{
    background-image: linear-gradient( to right, rgba(2, 10, 0, 0.5), #e9f5ff ), url("/Content/Images/commercial/commercial-rooftop-work.png");
}



.checklist {
    background: #e9f5ff;
    border-left: 15px solid #004b87;
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
    padding: 25px;
}

    .checklist h4 {
        margin-top: 0px;
    }

    .checklist ul {
        /*list-style-type: "✅ ";*/
        padding-left: 1.2rem;
    }

.thumbnail-variant-5 {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.thumbnail-variant-5 {
    padding: 25px;
    width: 25% !important;
    margin: 10px;
}

.thumbnail-variant-5-img-wrap {
    width: 80%;
    background-color: #fff;
    border-radius: 10px;
    padding: 10px;
    margin: auto;
    margin-bottom: 10px;
}

.thumbnail-variant-5:hover {
    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.15);
    border-color: #71ACF7;
}