@font-face {
  font-family: Roboto;
  src: url("/fonts/Roboto-Regular.woff2") format("woff2"), url("/fonts/Roboto-Regular.woff") format("woff");
  font-display: swap
}

@font-face {
  font-family: Roboto;
  src: url("/fonts/Roboto-Bold.woff2") format("woff2"), url("/fonts/Roboto-Bold.woff") format("woff");
  font-display: swap;
  font-weight: 700
}

body,
html {
  width: 100%;
  height: 100%
}

body {
  min-height: 100vh;
  scroll-behavior: smooth;
  text-rendering: optimizeSpeed;
  line-height: 1.5
}

a[class] {
  text-decoration: none
}

:root {
  --main-color: #494949;
  --green: #1fad66;
  --text-color: #f9fafa;
  --header-height: 47px;
  --content-padding: 16px;
  --btn-radius: 5px;
  --container-width: calc(1600px + var(--content-padding) * 2);
  --wrapper-width: var(--container-width)
}

*,
::after,
::before {
  box-sizing: border-box
}

ol,
ul {
  padding: 0;
  margin: 0
}

body,
h1,
li,
p {
  margin: 0
}

html {
  scroll-behavior: smooth;
  font-size: 10px
}

body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5
}

ol[class],
ul[class] {
  list-style: none
}

a:not([class]) {
  -webkit-text-decoration-skip: ink;
  text-decoration-skip-ink: auto
}

img {
  max-width: 100%;
  display: block
}

body {
  background-color: #434343;
  color: var(--text-color);
  font-family: Roboto, Arial, Helvetica, sans-serif;
  font-size: 1.6rem;
  position: relative
}

body::-webkit-scrollbar {
  width: 10px
}

body::-webkit-scrollbar-thumb {
  background: #4c555e;
  border-radius: 10px
}

h1 {
  font-size: 2.6rem;
  text-align: center
}

h1 {
  margin-bottom: 15px
}

p {
  margin-bottom: 10px
}

.o-container,
.o-wrapper {
  margin: 0 auto
}

.o-container {
  max-width: var(--container-width);
  width: 100%
}

.o-wrapper {
  max-width: var(--wrapper-width)
}

.o-content-padding {
  padding-left: var(--content-padding);
  padding-right: var(--content-padding)
}

.o-btn {
  border-radius: var(--btn-radius);
  display: inline-block;
  padding: 5px 8px;
  font-size: 1.3rem;
  text-decoration: none;
  font-weight: 700
}

.o-log-btn {
  color: #cfd4d8
}

.o-reg-btn {
  background-color: #1fad66;
  color: #fff
}

.c-main {
  margin-top: var(--header-height)
}

.c-toc {
  background: var(--main-color);
  border: 1px solid #000;
  border-right: 0;
  padding: 20px;
  position: fixed;
  top: 0;
  bottom: 0;
  margin: auto;
  right: 0;
  transform: translateX(100%);
  overflow-y: auto;
  max-height: calc(100vh - 65px - 90px - 40px);
  height: -webkit-fit-content;
  height: -moz-fit-content;
  height: fit-content;
  max-width: calc(320px - 10px);
  width: 100%;
  z-index: 1
}

.c-toc::-webkit-scrollbar {
  background: var(--main-color);
  width: 8px
}

.c-toc::-webkit-scrollbar-thumb {
  background: #ffe71d
}

.c-toc__list {
  color: #fff;
  display: flex;
  flex-direction: column;
  font-size: 18px;
  gap: 10px
}

.c-toc__list a {
  color: #fff;
  text-decoration: none
}

.c-toc-btn {
  background-color: var(--main-color);
  background-image: url(/images/toc.svg);
  background-repeat: no-repeat;
  background-size: 50%;
  background-position: center;
  border-radius: 50%;
  position: fixed;
  bottom: 20px;
  right: 10px;
  height: 40px;
  width: 40px;
  z-index: 1
}

.c-header {
  background-color: var(--main-color);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99
}

.c-header__container {
  display: flex;
  align-items: center;
  min-height: var(--header-height);
  padding-right: 8px
}

.c-burger {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  height: 40px;
  width: 40px
}

.c-burger div {
  background: #f2f5f9;
  height: 3px;
  width: 20px
}

.c-burger div:first-child {
  width: 16px;
  transform: translateX(-2px)
}

.c-burger div:last-child {
  width: 10px;
  transform: translateX(-5px)
}

.c-header__btns-holder {
  display: flex;
  gap: 8px;
  margin-left: auto
}

.c-header__nav {
  background: #0b0d0e;
  position: fixed;
  padding: 16px 8px;
  left: 0;
  top: 0;
  transform: translateX(calc(-100% - 44px));
  height: 100vh;
  max-width: 299px;
  width: calc(100% - 44px);
  z-index: 2
}

.c-header__nav::before {
  background: #000000bf;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  height: 100%;
  width: 100vw;
  z-index: -1
}

.c-header__nav-close {
  position: absolute;
  top: 16px;
  right: 0;
  transform: translateX(100%);
  height: 40px;
  width: 40px
}

.c-header__nav-close::before {
  transform: rotate(45deg)
}

.c-header__nav-close::after {
  transform: rotate(-45deg)
}

.c-header__nav-close::after,
.c-header__nav-close::before {
  background: #fff;
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  height: 3px;
  width: 20px
}

.c-header__nav__enterance-btn {
  background-color: var(--green);
  color: #fff;
  font-size: 1.2rem;
  padding: 0 16px;
  line-height: 36px;
  text-transform: uppercase
}

.c-header__burger-list {
  border-radius: 5px;
  overflow: hidden
}

.c-header__burger-list[class] {
  margin-top: 8px
}

.c-header__burger-list li {
  align-items: center;
  background: #22262a;
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 8px;
  padding-left: 8px;
  padding-right: 14px;
  position: relative;
  margin-bottom: 2px
}

.c-header__burger-list li::after {
  background-image: url(/images/chevron.svg);
  background-repeat: no-repeat;
  background-size: 6px;
  background-position: center;
  content: "";
  display: block;
  height: 16px;
  width: 16px
}

.c-header__burger-list a {
  color: #cfd4d8;
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 44px
}

.c-header__icon {
  fill: #cfd4d8
}

.c-slider {
  padding: 8px
}

.c-slider__container {
  position: relative;
  overflow: hidden
}

.c-slider__track {
  display: flex
}

.c-slider__item {
  flex: 1 0 100%;
  height: 248px
}

.c-slider__info {
  background-repeat: no-repeat, no-repeat;
  background-size: cover, contain;
  background-position: 78% 50%;
  border-radius: 5px;
  position: relative;
  padding: 50px 16px 24px;
  height: 100%;
  width: 100%
}

.c-slider__info * {
  position: relative
}

.c-slider__info::before {
  background-repeat: no-repeat;
  background-size: contain;
  background-position: bottom right;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100%
}

.c-slider__title {
  font-size: 2.4rem;
  line-height: 28px;
  margin-bottom: 8px;
  text-shadow: 0 1px 0 #b3b3b3, 0 2px 2px rgba(0, 0, 0, .3), 0 3px 6px rgba(0, 0, 0, .5)
}

.c-slider__sub-title {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 16px;
  letter-spacing: .25px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 2px 6px rgba(0, 0, 0, .5)
}

.c-slider__play-btn {
  background-color: #fff;
  box-shadow: 0 1px 0 #b3b3b3, 0 2px 2px rgba(0, 0, 0, .3), 0 3px 6px rgba(0, 0, 0, .5);
  font-size: 1.4rem;
  line-height: 16px;
  letter-spacing: .25px;
  margin-top: 50px;
  text-transform: uppercase;
  padding: 14px 16px;
  color: #000;
  text-decoration: none
}

.c-slider__item:first-child .c-slider__info {
  background-image: url("/images/slide1.jpg")
}

.c-slider__item:first-child .c-slider__info::before {
  background-image: url("/images/slide1r.png")
}

.c-slider__pagination {
  display: flex;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  bottom: 10px;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content
}

.c-slider__pagination-dot {
  align-items: center;
  display: flex;
  justify-content: center;
  height: 20px;
  width: 20px
}

.c-slider__pagination-dot.o-active::before {
  background-color: #fff
}

.c-slider__pagination-dot::before {
  background-color: #000;
  border: 1px solid #fff;
  border-radius: 50%;
  content: "";
  position: absolute;
  height: 8px;
  width: 8px
}

.c-slider-arrows {
  display: none
}

.c-main__content-container {
  padding-top: 30px
}

.c-main__content-container a {
  color: #fff
}

.c-main__content-container ol {
  padding-left: 30px
}

@media (prefers-reduced-motion:reduce) {
  * {
    -webkit-animation-duration: 0s !important;
    animation-duration: 0s !important;
    -webkit-animation-iteration-count: 1 !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important
  }
}

@media (min-width:768px) {
  .o-btn {
    padding: 0 16px;
    line-height: 36px;
    text-transform: uppercase
  }

  .c-slider__play-btn {
    padding: 14px 16px;
    line-height: initial
  }

  .c-slider__info {
    padding: 50px 50px 24px
  }

  .c-header__container {
    gap: 15px
  }

  .c-header__logo {
    height: 24px;
    width: 96px
  }
}

@media (min-width:992px) {
  .c-main {
    display: flex;
    flex-direction: column
  }

  .c-slider__track {
    display: flex
  }

  .c-slider__item:first-child .c-slider__info {
    background-image: url("/images/slide1.jpg")
  }

  .c-slider__item:first-child .c-slider__info::before {
    background-image: url("/images/slide1r.png")
  }

  .c-slider__item:nth-child(2) .c-slider__info {
    background-image: url("/images/slide2.jpg")
  }

  .c-slider__item:nth-child(2) .c-slider__info::before {
    background-image: url("/images/slide2r.png")
  }

  .c-slider__item:nth-child(3) .c-slider__info {
    background-image: url("/images/slide3.jpg")
  }

  .c-slider__item:nth-child(3) .c-slider__info::before {
    background-image: url("/images/slide3r.png")
  }

  .c-slider__item:nth-child(4) .c-slider__info {
    background-image: url("/images/slide4.jpg")
  }

  .c-slider__item:nth-child(4) .c-slider__info::before {
    background-image: url("/images/slide4r.png")
  }

  .c-slider__item {
    flex: 1 0 423px;
    padding-right: 16px
  }

  .c-slider-arrows {
    display: initial
  }

  .c-slider-arrow {
    align-items: center;
    background: #0b0d0e;
    display: flex;
    justify-content: center;
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    height: 44px;
    width: 34px
  }

  .c-slider-arrow.prev {
    border-radius: 0 24px 24px 0;
    left: 0
  }

  .c-slider-arrow.prev svg {
    transform: rotate(180deg)
  }

  .c-slider-arrow.next {
    border-radius: 24px 0 0 24px;
    right: 0
  }

  .c-slider-arrow.disabled {
    opacity: .5
  }

  .c-slider-arrow svg {
    fill: var(--text-color)
  }
}

@media (min-width:1400px) {
  :root {
    --header-height: 56px
  }

  .c-burger,
  .c-header__icon,
  .c-header__nav-close,
  .c-header__nav__enterance-btn {
    display: none
  }

  .c-header__container {
    padding: 0 var(--content-padding)
  }

  .c-header__nav {
    background: 0 0;
    position: initial;
    padding: unset;
    transform: unset;
    height: unset;
    max-width: unset;
    width: unset
  }

  .c-header__burger-list {
    display: flex
  }

  .c-header__burger-list[class] {
    margin: initial
  }

  .c-header__burger-list li {
    background: initial;
    display: initial;
    margin: 0;
    padding: 0
  }

  .c-header__burger-list li::after {
    display: none
  }

  .c-header__burger-list a {
    padding: 0 12px;
    font-size: 1.2rem;
    line-height: 56px
  }
}

@media (min-width:1310px) {
  .c-header__burger-list a {
    text-transform: uppercase
  }
}