main {
    -webkit-user-select: none; /* Safari, Chrome, Edge */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* IE 10+, Edge (old) */
    user-select: none; /* Standard syntax */
}

.header-margin {
    margin-top: 75px;
}

.light-bg {
    background: var(--light-background);
    padding: 50px 0;
}

.light-dark-transition {
    height: 4rem;
    background: linear-gradient(180deg, var(--light-background) 0%, var(--dark-background) 100%);
}

.dark-bg {
    background: var(--dark-background);
    padding: 50px 0;
}

.dark-light-transition {
    height: 4rem;
    background: linear-gradient(180deg, var(--dark-background) 0%, var(--light-background) 100%);
}

.page-heading-line-1 {
    display: block;
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--heading-primary);
    margin-bottom: 0.75rem;
    font-weight: 300;
}

.page-heading-line-2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--heading-secondary);
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.section-heading-line-1 {
    display: block;
    font-size: 2.5rem;
    color: var(--heading-primary);
    margin-bottom: 0.25rem;
    font-weight: 300;
}

.section-text-1 {
    font-size: 1.2rem;
    color: var(--section-text-color);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

label {  /*form label*/
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 6px;
}


.panel-header-1 {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--panel-header-color);
    margin-bottom: 16px;
}

.panel-text-1 {
    font-size: 1.0rem;
    color: var(--panel-text-color);
    line-height: 1.6;
}

.panel-text-2 {
    font-size: 0.95rem;
    color: var(--panel-text-color);
    line-height: 1.6;
}

.panel-text-3 {
    font-size: 0.90rem;
    color: var(--panel-text-color);
    line-height: 1.4;
}


footer {
    background-color: var(--logo-blue-color);
    color: white;
    padding: 60px 40px 30px;
}

@media (max-width: 768px) {

    .light-bg {
        background: var(--light-background);
    }

    .light-dark-transition {
        height: 2rem;
        background: linear-gradient(180deg, var(--light-background) 0%, var(--dark-background) 100%);
    }

    .dark-bg {
        background: var(--dark-background);
    }

    .dark-light-transition {
        height: 2rem;
        background: linear-gradient(180deg, var(--dark-background) 0%, var(--light-background) 100%);
    }


    .page-heading-line-1 {
        font-size: 3.2rem;
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }
    .page-heading-line-2 {
        font-size: 2.2rem;
        font-weight: 300;
        color: var(--heading-secondary);
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }
    .section-text-1 {
        font-size: 1.1rem;
        line-height: 1.4;
    }
    .panel-text-1 {
        font-size: 1.0rem;
        line-height: 1.6;
    }

    .panel-text-2 {
        font-size: 0.95rem;
        line-height: 1.6;
    }

   
}

@media (max-width: 480px) {
    .page-heading-line-1 {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }
    .page-heading-line-2 {
        font-size: 2.0rem;
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }
    .section-text-1 {
        font-size: 1.0rem;
        line-height: 1.4;
    }
    .panel-text-1 {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .panel-text-2 {
        font-size: 0.81rem;
        line-height: 1.4;
    }

}