:root {
    --km-color: #003629;
    --km-overlay: rgba(0, 54, 41, 0.48);
    --km-lighter: #0e4133;

    --anb-color: #3e85d5;
    --anb-overlay: rgba(158, 198, 243, 0.48);
    --anb-lighter: #89B4E9;
}


.page-bg {
    position: relative;

    background: url(../images/header.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    height: 100%;
    filter: brightness(0.8) contrast(0.9);

}

.page-bg::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color:
        var(--km-overlay);

    z-index: 0;
}

.page-bg>* {
    position: relative;
    z-index: 1;
}

.nav a {
    position: relative;
    display: inline-block;
    padding-bottom: 4px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav a::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background-color: transparent;
    transition: background-color 0.3s ease, width 0.3s ease;
}

.nav a.active::before,
.nav a:hover::before {
    background-color:
        var(--km-lighter);
}

.text-color,
.text-hover-color:hover {
    color:
        var(--km-lighter);
}

.bg-color {
    background-color:
        var(--km-lighter);
}

.border-color {
    border-color:
        var(--km-lighter);
}

.bg-color {
    background-color:
        var(--km-lighter);
}

.bg-lighter-color,
.bg-hover-color:hover {
    background-color:
        var(--km-lighter);
}