/* Переменные */
:root {
    --fz-label: 117px;
    --fz-heading: 78px;
    --fz-heading-2: 55px;
    --fz-heading-3: 24px;
    --fz-heading-4: 18px;
    --fz-heading-5: 16px;

    --color-black: #000;
    --color-white: #fff;

    --width-container: 360px;
    --gutter: 20px;
}

@media screen and (min-width: 768px) {
    :root {
        --width-container: 768px;
        --gutter: 40px;
    }
}

@media screen and (min-width: 1440px) {
    :root {
        --width-container: 1440px;
    }
}

/* Базовая разметка */
@font-face {
    font-family: Roboto;
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/roboto/roboto-regular.woff2") format("woff2");
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

html {
    box-sizing: border-box;
    height: 100%;
}

body {
    position: relative;

    min-width: var(--width-container);
    min-height: 100%;

    color: var(--color-black);
    font-family: "Roboto", Arial, sans-serif;
    font-size: var(--fz-heading-5);
    line-height: 1.5;

    background-color: var(--color-white);
}

img {
    max-width: 100%;
    height: auto;
}

.sr-only {
    position: absolute;

    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;

    border: 0;

    clip: rect(0,0,0,0);
    -webkit-clip-path: inset(100%);
    clip-path: inset(100%);
}

.container {
    max-width: var(--width-container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.notice {
    margin: 0;
    padding: 10px;

    color: white;
    text-align: center;

    background-color: black;
}

.notice a {
    color: yellow;
}

.notice a:hover,
.notice a:focus {
    text-decoration: none;
}

/* Шапка сайта */