/* ------------------------------ */
/* RESET AND BASE STYLES' TUNE UP */
/* ------------------------------ */

@charset 'UTF-8';
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap');

*, ::after, ::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Simple colors */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-milk: #F5F5F5;
    --color-coal: #3C3C3C;
    /* ---------------------- */
    /* Palette of five colors */
    --color-a: #E27396;
    --color-b: #EA9AB2;
    --color-c: #EFCFE3;
    --color-d: #EAF2D7;
    --color-e: #B3DEE2;
}

@media (prefers-color-scheme: light) {
    :root {
        --color-background: var(--color-white);
        --color-content-background: var(--color-milk);
        --color-logo: var(--color-white);
        --color-header: var(--color-coal);
        --color-text: var(--color-coal);
        --color-link: var(--color-b);
        --color-link-hover: var(--color-a);
        --color-border: var(--color-a);
        --color-selection: var(--color-b);
        --color-table-header-background: transparent;
        --color-table-header-text: transparent;
        --color-table-item: transparent;
        --color-anotation: var(--color-coal);
        --color-pattern-button: var(--color-c);
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: var(--color-coal);
        --color-content-background: var(--color-c);
        --color-logo: var(--color-white);
        --color-header: var(--color-coal);
        --color-text: var(--color-coal);
        --color-link: var(--color-b);
        --color-link-hover: var(--color-a);
        --color-border: var(--color-a);
        --color-selection: var(--color-b);
        --color-table-header-background: transparent;
        --color-table-header-text: transparent;
        --color-table-item: transparent;
        --color-anotation: var(--color-milk);
        --color-pattern-button: var(--color-milk);
    }
}

html {
    font-family: 'Roboto', sans-serif;
    direction: ltr;
    font-size: 16px;
    line-height: 1.382em;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    background: var(--color-background);
}

::selection {
    background: var(--color-selection);
}

:focus-visible {
    outline: 2px solid var(--color-selection);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-header);
    font-weight: 500;
    margin-block-start: 0.382em;
    margin-block-end: 0.618em;
    line-height: 1.382em;
}

h1 { font-size: 2em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.17em; }
h4 { font-size: 1em; }
h5 { font-size: 0.83em; }
h6 { font-size: 0.67em; }
big { font-size: larger; }
small { font-size: smaller; }

span, p, article, blockquote {
    color: var(--color-text);
    font-weight: 400;
}

ul {
    padding: 16px;
    list-style-type: circle;
}

a {
    background-color: transparent;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    color: var(--color-link);
    text-decoration: none;
}

    a:hover {
        border-bottom: 2px solid var(--color-link-hover);
        color: var(--color-link-hover);
        transition: all 0.5s ease;
        text-decoration: none;
    }

/* ----- */
/* FORMS */
/* ----- */

hr {
    margin-block-start: 0.5em;
    margin-block-end: 0.5em;
}

button, input, textarea, select {
    padding: 4px 8px;
    border: 2px solid var(--color-link);
    background: var(--color-milk);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.382em;
    white-space: nowrap;
}

    button:hover, input:hover,
    textarea:hover, select:hover {
        border: 2px solid var(--color-link-hover);
        transition: all 0.5s ease;
    }

option {
    background: var(--color-background);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.382em;
}

    option:hover {
        background-color: var(--color-selection);
        color: var(--color-white);
    }

fieldset {
    border: 2px solid var(--color-border-alpha);
    border-radius: 4px;
    padding: 8px;
}

legend {
    padding: 2px 4px;
    text-align: left;
}

/* ------------- */
/* SERVICE RULES */
/* ------------- */

.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    border: 0;
    padding: 0;
    white-space: nowrap;
    clip-path: inset(100%);
    clip: rect(0 0 0 0);
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
}

/* ------ */
/* BANNER */
/* ------ */

.banner-container {
    min-height: 100vh;
    display: flex;
}

.banner {
    margin: auto;
    padding: 16px;
}

/* ------------ */
/* ITEMS STYLES */
/* ------------ */

/* ------ */
/* HEADER */
/* ------ */

.header {
    border-bottom: 32px solid var(--color-border);
    background: var(--color-b);
}

.header-wrapper {
    padding-top: 64px;
    padding-bottom: 16px;
}

.logo-wrapper {
    text-align: center;
}

.logo-wrapper__logo {
    font-size: 48px;
    font-weight: 500;
    color: var(--color-logo);
}

    .logo-wrapper__logo::selection {
        background-color: var(--color-a);
    }

@media only screen and (min-width: 540px) {
    .logo-wrapper__logo {
        font-size: 64px;
        font-weight: 500;
        color: var(--color-logo);
    }
}

.menu-wrapper {
    margin-top: 32px;
    align-self: center;
}

.navigation {
    padding: 0;
    list-style-type: none;
    display: flex;
    justify-content: space-between;
}

.navigation__item {
    font-size: 16px;
    text-transform: uppercase;
}

@media only screen and (min-width: 720px) {
    .header-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .logo-wrapper {
        grid-column: 1 / 2;
        grid-row: 1 / 2;
        text-align: left;
    }

    .menu-wrapper {
        margin-top: 0px;
        grid-column: 2 / 3;
        grid-row: 1 / 2;
    }
}

/* ----------------------------------- */
/* MAIN, PAGE FLOW AND CONTENT SECTION */
/* ----------------------------------- */

.page {
    flex-grow: 1;
    margin-top: 64px;
    margin-bottom: 64px;
}

.content {
    margin-bottom: 16px;
    padding: 32px;
    border-radius: 8px;
    background: var(--color-content-background);
}

.content__header {
    text-align: center;
}

/* ------ */
/* FOOTER */
/* ------ */

.footer {
    border-top: 4px solid var(--color-a);
    background: var(--color-background);
}

.footer-wrapper {
    padding-top: 32px;
    padding-bottom: 32px;
}

    .annotation__text {
        color: var(--color-anotation);
    }

/* ----------- */
/* WAVE MASTER */
/* ----------- */

.wavelovers {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 16px;
}

.message-box {
    text-align: center;
    font-size: 18px;
}

.device-box {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    text-align: center;
}

    .device-list {
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        gap: 16px;
    }

        .list-item {
            max-width: 100%;
            padding: 16px;
            border: 4px solid var(--color-b);
            border-radius: 4px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 16px;
        }

        @media only screen and (min-width: 540px) {
            .list-item {
                max-width: 50%;
            }
        }

        .list-item_selected {
            border: 4px solid var(--color-a);
            background-color: var(--color-b);
        }

        .list-item_selected > button {
            border: 2px solid var(--color-a);
        }

            .list-item__info {
                padding: 16px;
                display: flex;
                flex-direction: column;
                gap: 16px;
            }

            .list-item__info > div {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
            }

.pattern-box {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

    .pattern-list {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 32px;
    }

        .pattern-item {
            width: 128px;
            height: 128px;
            padding: 16px;
            border-radius: 8px;
            background: var(--color-pattern-button);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            gap: 32px;
            text-align: center;
        }

            .pattern-item__icon{
                font-size: 64px;
            }

            .pattern-item__name {
                font-size: 16px;
                white-space: nowrap;
                overflow: hidden;
            }