:root {
    /* Base */
    --white: #fff;
    --black: #000;
    /* Theme */
    --theme: #68727E;
    --theme-rgb: 104, 114, 126;
    --theme-darker: #3F444B;
    --theme-contrast: #FFF;
    /* Theme alt */
    --theme-alt: #E9DFD3;
    --theme-alt-darker: #AE8A5E;
    --theme-alt-contrast: #fff;
    /* Dark */
    --heading-dark: #131426;
    --text-dark: #000;
    --background-dark: #131426;
    --background-dark-lighter: #16172E;
    --border-dark: rgba(0, 0, 0, 0.08);
    /* Light */
    --heading-light: #fff;
    --text-light: #FFF;
    --background-light: #EFF1F2;
    --border-light: rgba(255, 255, 255, 0.1);
    /* Header */
    --selected-nav-item: #bf9b7b;
    --header-height: 90px;
    --logo-padding: 17px;
    --navigation-padding: 8px;
    --pre-top-height: 30px;
    --top-combo-calc: calc(var(--header-height) + var(--pre-top-height));
    /* Grid */
    --grid-width-small: 850px;
    --grid-width: 1300px;
    --grid-width-big: 1600px;
    --grid-gutter: 30px;
    --grid-gutter-half: calc(var(--grid-gutter) / 2);
    /* Buttons */
    --button-border-radius: 4px;
    /* Typography */
    --body-font: futura-pt, sans-serif;
    --heading-font: futura-pt, sans-serif;
    --font-size: 1.2rem;
    --font-size-big: 1.4rem;
    --font-weight-normal: normal;
    --font-weight-light: 200;
    --font-weight-bold: bold;
    --font-weight-bolder: bolder;
    --body-font-weight: var(--font-weight-normal);
    --heading-font-weight: var(--font-weight-bold);
    /* Validation */
    --success: #2ecc71;
    --error: #e74c3c;
}
@media only screen and (max-width: 1200px) {
    :root {
        --navigation-padding: 15px;
    }
}
@media only screen and (max-width: 992px) {
    :root {
        --header-height: 50px;
        --grid-gutter: 20px;
        --logo-padding: 15px;
        --navigation-font-size: 1rem;
    }
}
@media only screen and (max-width: 768px) {
    :root {
        --grid-gutter: 15px;
        --hero-heading: 2.5rem;
    }
}
@media only screen and (max-width: 480px) {
    :root {
        --grid-gutter: 15px;
    }
}