/*! HTML5 Boilerplate v9.0.1 | MIT License | https://html5boilerplate.com/ */

/* main.css 3.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Exo+2:ital,wght@0,100..900;1,100..900&family=Vazirmatn:wght@100..900&display=swap');

html {
    height: 100%;
    color: #222;
    font-size: 1em;
    line-height: 1.4;
}

/*
 * Remove text-shadow in selection highlight:
 * https://twitter.com/miketaylr/status/12228805301
 *
 * Customize the background color to match your design.
 */

::-moz-selection {
    background: #b3d4fc;
    text-shadow: none;
}

::selection {
    background: #b3d4fc;
    text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0;
}

/*
 * Remove the gap between audio, canvas, iframes,
 * images, videos and the bottom of their containers:
 * https://github.com/h5bp/html5-boilerplate/issues/440
 */

audio,
canvas,
iframe,
img,
svg,
video {
    vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

fieldset {
    border: 0;
    margin: 0;
    padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

textarea {
    resize: vertical;
}

/* ==========================================================================
   Author's custom styles
   ========================================================================== */

/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Hide visually and from screen readers
 */

.hidden,
[hidden] {
    display: none !important;
}

/*
 * Hide only visually, but have it available for screen readers:
 * https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
 *
 * 1. For long content, line feeds are not interpreted as spaces and small width
 *    causes content to wrap 1 word per line:
 *    https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
 */

.visually-hidden {
    border: 0;
    clip: rect(0, 0, 0, 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
    /* 1 */
}

/*
 * Extends the .visually-hidden class to allow the element
 * to be focusable when navigated to via the keyboard:
 * https://www.drupal.org/node/897638
 */

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
    clip: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    position: static;
    white-space: inherit;
    width: auto;
}

/*
 * Hide visually and from screen readers, but maintain layout
 */

.invisible {
    visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * The use of `table` rather than `block` is only necessary if using
 * `::before` to contain the top-margins of child elements.
 */

.clearfix::before,
.clearfix::after {
    content: "";
    display: table;
}

.clearfix::after {
    clear: both;
}

/* ==========================================================================
   EXAMPLE Media Queries for Responsive Design.
   These examples override the primary ('mobile first') styles.
   Modify as content requires.
   ========================================================================== */

@media only screen and (min-width: 35em) {
    /* Style adjustments for viewports that meet the condition */
}

@media print,
(-webkit-min-device-pixel-ratio: 1.25),
(min-resolution: 1.25dppx),
(min-resolution: 120dpi) {
    /* Style adjustments for high resolution devices */
}

/* ==========================================================================
   Print styles.
   Inlined to avoid the additional HTTP request:
   https://www.phpied.com/delay-loading-your-print-css/
   ========================================================================== */

@media print {
    *,
    *::before,
    *::after {
        background: #fff !important;
        color: #000 !important;
        /* Black prints faster */
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }

    abbr[title]::after {
        content: " (" attr(title) ")";
    }

    /*
     * Don't show links that are fragment identifiers,
     * or use the `javascript:` pseudo protocol
     */
    a[href^="#"]::after,
    a[href^="javascript:"]::after {
        content: "";
    }

    pre {
        white-space: pre-wrap !important;
    }

    pre,
    blockquote {
        border: 1px solid #999;
        page-break-inside: avoid;
    }

    tr,
    img {
        page-break-inside: avoid;
    }

    p,
    h2,
    h3 {
        orphans: 3;
        widows: 3;
    }

    h2,
    h3 {
        page-break-after: avoid;
    }
}

@keyframes animationFooterLogo {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(-180deg) scale(1.3);
    }
    100% {
        transform: rotate(-360deg) scale(1);
    }
}

body {
    direction: rtl;
    font-family: Vazirmatn, serif;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #e1e1e1;
    flex-direction: column;
    text-align: center;
    height: 100%;
    margin: 0;
    color: #363636;
    gap: 10px;

    h1 {
        font-weight: bolder;
        margin: 0;
        margin-top:-30px;
        font-family: "Exo 2", serif;
        color: #00BDE4;
    }

    img.logo {
        max-width: 150px;
        height: auto;
    }

    p {
        margin: 0;
        font-size: 15px;
        font-weight: 300;
        line-height: 2;
        max-width: 400px;
    }

    a {
        font-family: "Exo 2", serif;
        direction: ltr;
        font-size: 13px;
        text-decoration: none;
        color: #888888;
    }

    main {
        position: relative;
        z-index: 2222;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 10px;
    }
}

@keyframes move {
    100% {
        transform: translate3d(0, 0, 1px) rotate(360deg);
    }
}

.background {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    background: #ffffff;
    overflow: hidden;
}

.ball {
    position: absolute;
    width: 20vmin;
    height: 20vmin;
    border-radius: 50%;
    backface-visibility: hidden;
    animation: move linear infinite;
}

.ball:nth-child(odd) {
    color: #6ce6ff;
}

.ball:nth-child(even) {
    color: #19afcd;
}

/* Using a custom attribute for variability */
.ball:nth-child(1) {
    top: 77%;
    left: 88%;
    animation-duration: 40s;
    animation-delay: -3s;
    transform-origin: 16vw -2vh;
    box-shadow: 40vmin 0 5.703076368487546vmin currentColor;
}

.ball:nth-child(2) {
    top: 42%;
    left: 2%;
    animation-duration: 53s;
    animation-delay: -29s;
    transform-origin: -19vw 21vh;
    box-shadow: -40vmin 0 5.17594621519026vmin currentColor;
}

.ball:nth-child(3) {
    top: 28%;
    left: 18%;
    animation-duration: 49s;
    animation-delay: -8s;
    transform-origin: -22vw 3vh;
    box-shadow: 40vmin 0 5.248179047256236vmin currentColor;
}

.ball:nth-child(4) {
    top: 50%;
    left: 79%;
    animation-duration: 26s;
    animation-delay: -21s;
    transform-origin: -17vw -6vh;
    box-shadow: 40vmin 0 5.279749632220298vmin currentColor;
}

.ball:nth-child(5) {
    top: 46%;
    left: 15%;
    animation-duration: 36s;
    animation-delay: -40s;
    transform-origin: 4vw 0vh;
    box-shadow: -40vmin 0 5.964309466052033vmin currentColor;
}

.ball:nth-child(6) {
    top: 77%;
    left: 16%;
    animation-duration: 31s;
    animation-delay: -10s;
    transform-origin: 18vw 4vh;
    box-shadow: 40vmin 0 5.178483653434181vmin currentColor;
}

.ball:nth-child(7) {
    top: 22%;
    left: 17%;
    animation-duration: 55s;
    animation-delay: -6s;
    transform-origin: 1vw -23vh;
    box-shadow: -40vmin 0 5.703026794398318vmin currentColor;
}

.ball:nth-child(8) {
    top: 41%;
    left: 47%;
    animation-duration: 43s;
    animation-delay: -28s;
    transform-origin: 25vw -3vh;
    box-shadow: 40vmin 0 5.196265905749415vmin currentColor;
}