/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
    line-height: 1.15; /* 1 */
    -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Remove the margin in all browsers.
 */

body {
    margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */

main {
    display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
    box-sizing: content-box; /* 1 */
    height: 0; /* 1 */
    overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

pre {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */

/**
 * Remove the gray background on active links in IE 10.
 */

a {
    background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
    border-bottom: none; /* 1 */
    text-decoration: underline; /* 2 */
    text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
    font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
samp {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
    font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}

sup {
    top: -0.5em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10.
 */

img {
    border-style: none;
}

/* Forms
   ========================================================================== */

/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
    font-family: inherit; /* 1 */
    font-size: 100%; /* 1 */
    line-height: 1.15; /* 1 */
    margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */

button,
input { /* 1 */
    overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select { /* 1 */
    text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */

fieldset {
    padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */

legend {
    box-sizing: border-box; /* 1 */
    color: inherit; /* 2 */
    display: table; /* 1 */
    max-width: 100%; /* 1 */
    padding: 0; /* 3 */
    white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
    vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
    overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */

[type="checkbox"],
[type="radio"] {
    box-sizing: border-box; /* 1 */
    padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
    height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
    -webkit-appearance: textfield; /* 1 */
    outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
    -webkit-appearance: button; /* 1 */
    font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
    display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
    display: list-item;
}

/* Misc
   ========================================================================== */

/**
 * Add the correct display in IE 10+.
 */

template {
    display: none;
}

/**
 * Add the correct display in IE 10.
 */

[hidden] {
    display: none;
}


/* GVRK
   ========================================================================== */

body {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 14px;
    letter-spacing: 0.1em;
    color: #000;
    background: #fafafa;
}

b {
    font-weight: 600;
}

header {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 50px 55px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media screen and (max-width: 1024px) {
    header {
        padding: 49px 54px;
    }
}

@media screen and (max-width: 960px) {
    header {
        padding: 24px 38px;
    }
}

@media screen and (max-width: 768px) {
    header {
        padding: 14px 26px;
    }
}

@media screen and (max-width: 640px) {
    header {
        padding: 10px;
    }
}

.logo-wrap {
    max-width: 250px;
}

@media (max-width: 500px) {
    .logo-wrap {
        max-width: 50%;
    }
}

.logo {
    max-width: 100%;
    max-height: 100px;
}

nav {
    text-transform: uppercase;
    display: flex;
}

@media (max-width: 900px) {
    header {
        justify-content: center;
    }

    header nav {
        display: none;
    }
}

nav a,
nav a:hover,
nav a:visited {
    text-decoration: none;
    color: #000;
    border: none;
    outline: none;
    display: block;
    padding: 14px 10px;
    transition: opacity .2s ease;
}

nav a:hover {
    opacity: .6;
}

section {
    padding-top: 10px;
    padding-bottom: 10px;
}

.wrap {
    margin: 0 auto;
    max-width: 880px;
}

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

.buttons {
    display: flex;
    align-content: center;
    justify-content: center;
    gap: 20px;
    padding-top: 30px;
    padding-bottom: 30px;
}

.btn {
    display: block;
    padding: 12px 28px;
    font-size: 1.6em;
    text-decoration: none;
    text-transform: uppercase;
    border: none;
    outline: none;
    border-radius: 50px;
}

.btn.default,
.btn.default:hover,
.btn.default:visited {
    background-color: #000;
    color: #fff;
    transition: opacity .2s ease;
}

.btn.default:hover {
    opacity: .7;
}

@media (max-width: 520px) {
    .cover {
        padding-top: 140%;
    }
}

footer {
    text-align: center;
    padding: 50px 10px;
}

header,
section,
footer {
    transition: opacity .2s ease;
}

.loading header,
.loading section,
.loading footer {
    opacity: 0;
}