:root {
    --text-font: 'Rubik', sans-serif;
    --pixel-font: 'Press Start 2P', cursive;
}

html {
    scroll-behavior: smooth;
    z-index: 1;
}

body {
    background-color: #000;
}

body::-webkit-scrollbar {
    width: 12px;
    /* ширина всей полосы прокрутки */
}

body::-webkit-scrollbar-track {
    background: #000;
    /* цвет зоны отслеживания */
}

body::-webkit-scrollbar-thumb {
    background-color: #161616;
    /* цвет бегунка */
    border-radius: 3px;
    /* округлось бегунка */
    /* отступ вокруг бегунка */
}

::-webkit-scrollbar {
    width: 8px;
    height: 3px;
}

::-webkit-scrollbar-button {
    background-color: #000;
}

::-webkit-scrollbar-track {
    background-color: #000;
}

::-webkit-scrollbar-track-piece {
    background-color: #000;
}

::-webkit-scrollbar-thumb {
    height: 50px;
    background-color: #161616;
}

::-webkit-scrollbar-corner {
    background-color: #000;
}

::-webkit-resizer {
    background-color: #000;
}

button {
    background-color: transparent;
    cursor: pointer;
    border: none;
}

input {
    padding: 0;
}

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    display: block;
}

html {
    height: 100%;
}

body {
    line-height: 1;
}

ol,
ul {
    list-style: none;
}

li,
a {
    display: inline-block;
    text-decoration: none;
}

blockquote,
q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

.nav {
    padding-top: 28px;
    background-color: #161616;
}

.container {
    align-items: center;
    width: 1400px;
    padding-right: 30px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.nav-menu {
    display: flex;
}

.nav-menu__item {
    margin-right: 30px;
}

.nav-menu__link {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
    color: #fff;
}

.nav-btn {
    padding: 16px 48px 16px 48px;
    background-color: #fff;
    border: none;
    text-transform: uppercase;
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-align: center;
    color: #000;
    border-radius: 2px;
}

.header {
    background-color: #161616;
    padding-top: 137px;
    padding-bottom: 215px;
    color: #fff;
}

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

.header-content__date {
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 18px;
    line-height: 21px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    padding-bottom: 40px;
}

.header-content__location {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 70px;
    line-height: 70px;
    text-transform: uppercase;
    padding-bottom: 40px;
}

.header-content__title {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 40px;
    line-height: 50px;
    text-transform: uppercase;
    padding-bottom: 40px;
}

.header-content__join {
    margin-right: 10px;
    padding: 16px 48px 16px 48px;
    background-color: #fff;
    border: none;
    text-transform: uppercase;
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-align: center;
    color: #000;
    border-radius: 2px;
}

.header-content__buy {
    padding: 16px 62px 16px 62px;
    background-color: #000;
    border: 2px solid #fff;
    color: #fff;
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
    border-radius: 2px;
}

.about {
    padding-top: 100px;
    color: #fff;
}

.container--about {
    width: 1100px;
    margin: 0 auto;
}

.about-content {
    display: flex;
}

.about-content__info {
    padding-top: 105px;
    width: 455px;
    margin-right: 246px;
}

.about-content__title {
    font-family: var(--pixel-font);
    letter-spacing: 0.08em;
    font-weight: 400;
    font-size: 30px;
    line-height: 40px;
    text-transform: uppercase;
    padding-bottom: 40px;
}

.about-content__text {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
    padding-bottom: 20px;
}

.about-content__ticket {
    text-align: center;
    padding-bottom: 100px;
}

.about-content__filling {
    position: absolute;
    top: 140%;
    right: 20%;
}

.about-content__img {
    position: relative;
    z-index: 0;
}

.about-content__name {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 20px;
    line-height: 25px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 80px;
}

.about-content__name::before {
    content: '';
    position: absolute;
    width: 355px;
    right: -67px;
    top: 90px;
    border: 2px dashed #FFFFFF;
}

.about-content__time {
    padding-bottom: 20px;
}

.about-content__location {
    padding-bottom: 40px;
}

.about-content__caption {
    font-family: var(--text-font);
    font-weight: 600;
    font-size: 18px;
    line-height: 21px;
    text-transform: uppercase;
    padding-bottom: 10px;
}

.about-content__par {
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
}

.about-content__btn {
    padding: 16px 62px 16px 62px;
    background-color: #fff;
    border: none;
    border-radius: 2px;
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
}

.countdown {
    padding-top: 90px;
    background-image: url(../images/background\ timer.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    color: #fff;
    padding-bottom: 142px;
}

.countdown-content {
    text-align: center;
    align-items: center;
}

.countdown-content__title {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 30px;
    line-height: 40px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-bottom: 30px;
}

.countdown-content__timer {
    background-color: #000;
    width: 620px;
    height: 100px;
    margin: 0 auto;
    align-items: center;
    text-align: center;
}

.countdown-content__par {
    padding-top: 26px;
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 55px;
    line-height: 47px;
    text-transform: uppercase;
}

.speakers {
    color: #fff;
    padding-bottom: 80px;
}

.speakers-container {
    width: 1010px;
    margin: 0 auto;
    padding-top: 100px;
}

.speakers-title {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 30px;
    line-height: 40px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-bottom: 60px;
}

.speakers-list {
    margin-left: 100px;
}

.speakers-list__items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.speakers-list__item {
    text-align: center;
    align-items: center;
    margin-right: 20px;
    margin-bottom: 30px;
}

.speakers-list__photo {
    width: 208px;
    height: 208px;
}

.speakers-list__name {
    font-family: var(--text-font);
    font-weight: 500;
    font-size: 25px;
    line-height: 30px;
    padding-top: 20px;
}

.speakers-list__description {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
    text-transform: uppercase;
    padding-top: 5px;
}

.agenda {
    color: #fff;
    padding-bottom: 113px;
}

.agenda-container {
    width: 1010px;
    margin: 0 auto;
    padding-top: 100px;
}

.agenda-content {
    margin-left: 70px;
    display: flex;
}

.agenda-content__day {
    display: inline-block;
    background-color: #fff;
    border-radius: 2px;
    margin-top: 42px;
    max-height: 50px;
}

.agenda-content__day p {
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
    padding: 16px 90px 16px 90px;
    color: #000;
    width: 50px;
}

.agenda-content__items {
    margin-top: 35px;
    margin-left: 60px;
    width: 530px;
    height: 450px;
}

.agenda-content__caption {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
    width: 496px;
    padding-bottom: 30px;
}

.agenda-content__title {
    font-family: var(--text-font);
    font-weight: 500;
    font-size: 18px;
    line-height: 21px;
    text-transform: uppercase;
    padding-bottom: 17px;
}

.agenda-content__spiaker {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
    padding-bottom: 32px;
}

.agenda-content__events {
    height: 450px;
    overflow-y: scroll;
}

.sponsors {
    padding-top: 113px;
    padding-bottom: 100px;
}

.sponsors-container {
    width: 1010px;
    margin: 0 auto;
}

.sponsors-list {
    margin-top: 30px;
    margin-left: 50px;
}

.sponsors-list__items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 20px;
}

.sponsors-list__item {
    margin-bottom: 20px;
}

.sponsors-list__logo {
    width: 208px;
}

.footer {
    border-top: 2px solid #161616;
    color: #fff;
}

.footer-nav {
    padding-top: 60px;
}

.container--down {
    padding-top: 150px;
    padding-bottom: 60px;
}

.footer-copyright p {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
}

.footer-polytic p {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 18px;
    line-height: 21px;
}

.footer-polytic span {
    position: relative;
    padding-right: 15px;
}

.footer-link {
    color: #fff;
}

.footer-polytic span::before {
    content: '';
    position: absolute;
    height: 30px;
    top: 0;
    right: 4px;
    border: 1px solid #fff;
}

.title {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 30px;
    line-height: 40px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    padding-bottom: 50px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.4);
}

.closse {
    color: #000;
    float: right;
    font-size: 28px;
    margin-right: 10px;
    margin-right: 10px;
    font-weight: bold;
    cursor: pointer;
}

.close {
    color: #000;
    float: right;
    font-size: 28px;
    margin-right: 10px;
    margin-right: 10px;
    font-weight: bold;
    cursor: pointer;
}

.modal-content {
    position: relative;
    z-index: 90;
    background-image: url(../images/modal-background.png);
    max-width: 800px;
    align-items: center;
    text-align: center;
    margin: 0 auto;
}

.modal-content__title {
    font-family: var(--pixel-font);
    font-weight: 400;
    font-size: 30px;
    line-height: 40px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-bottom: 30px;
    padding-top: 36px;
}

.modal-content__form {
    padding-bottom: 45px;
}

.modal-content__input {
    width: 400px;
    padding: 14px 15px;
    border: 1px solid #000;
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 14px;
    line-height: 17px;
    color: rgba(0, 0, 0, 0.8);
}

.modal-content__input::placeholder {
    font-family: var(--text-font);
    font-weight: 300;
    font-size: 14px;
    line-height: 17px;
    color: rgba(0, 0, 0, 0.4);
}

.modal-content__btn {
    padding: 14px 48px 14px 48px;
    color: #fff;
    background-color: #000;
    font-family: var(--text-font);
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-transform: uppercase;
}

.bubble {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 3%;
    background-color: #fff;
    box-shadow: 0 0 0 0 #fff;
    animation: leave 1s ease forwards;
}

@keyframes leave {
    from {
        width: 10px;
        height: 10px;
    }

    to {
        width: 0px;
        height: 0px;
    }
}