:root {
  --primary-font: Open Sans, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --secondary-font: Open Sans, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";

  --border-radius-regular: .625rem;
  --transition-standard: 200ms all;

}
::-moz-selection {
  color: #ffffff;
  background: #808080;
}
::selection {
  color: #ffffff;
  background: #808080;
}
*, *::before, *::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-size: 1.0625rem;
  font-family: var(--primary-font);
  color: #333333;
  line-height: 150%;
  font-variant-numeric: tabular-nums;
  touch-action: manipulation;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-ligatures: none;
}
html, body {
  width: 100%;
  height: 100%;
}
page-container {
  min-height: 100%;
  display: block;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
h1, h2, h3, h4, h5 {
  font-family: var(--primary-font);
  font-weight: 700;
  color: #808080;
  line-height: normal;
}
h1 {
  font-size: 2.25rem;
  margin: 0;
}
h2 {
  font-size: 1.75rem;
}
h3 {
  font-size: 1.25rem;
}

@media(max-width: 43.75rem) {
  h1 {
    font-size: 1.75rem;
  }
}
p, a {
  font-family: var(--secondary-font);
  font-weight: 400;
}
a {
  color: #A0A0A0;
  text-decoration: none;
  font-weight: 600;
  transition: 200ms all;
}
a:hover {
  color: #808080;
}
.text-highlight {
  color: #666666;
}
ul li::marker {
  color: #808080;
}
strong {
  color: #666666;
}
code {
  display: block;
  color: #A0A0A0;
  background-color: #F0F0F0;
  padding: .75rem 1rem .75rem 1rem;
  font-size: 1rem;
  border-radius: .625rem;
  margin-bottom: 2.5rem;
}



.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}
@media (min-width: 36rem) {
  .container {
    max-width: 33.75rem;
  }
}
@media (min-width: 48rem) {
  .container {
    max-width: 45rem;
  }
}
@media (min-width: 62rem) {
  .container {
    max-width: 61.25rem;
  }
}
@media (min-width: 75rem) {
  .container {
    max-width: 71.25rem;
  }
}



/* ============================================= navigation ===================================== */
.navigation {
  position: fixed;
  width: 100%;
  height: auto;
  z-index: 900;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgb(255, 255, 255, .72);
  border-bottom: .0625rem solid #CCCCCC;
  backdrop-filter: blur(.75rem);
  -webkit-backdrop-filter: blur(.75rem);
}
.nav-links {
  display: flex;
  margin: auto;
  align-items: center;
  height: 100%;
  width: 100%;
  max-width: 92.5rem;
  z-index: 6;
  padding: 0 32px;
}
.nav-links .btn-primary a {
  padding: .5rem 1rem;
  color: #ffffff;
}
.nav-links .btn-primary a:hover {
  color: #ffffff;
}
.navigation-logo {
  position: relative;
  width: 100%;
  z-index: 5;
}
.navigation-logo img {
  height: 3rem;
  width: auto;
  margin-top: 2px;
  transition: .2s all;
}
.navigation-logo img:hover {
  transform: scale(.92);
}
.main-links {
  display: flex;
  gap: 32px;
  height: 100%;
  margin: auto;
  align-items: center;
  white-space: nowrap;

}
.main-links li {
  margin: 0;
  list-style: none;
}
.main-links li a {
  color: #777777;
}
.main-links li a:hover {
  color: #4B4B4B;
}
.main-links .btn-primary {
  color: #333333;
}
.main-links li:first-child {
  display: none;
}
.burger-container {
  display: none;
}
@media(max-width: 62.5rem) {
  .navigation {
    height: 56px;
  }
  .navigation-logo {
    margin-top: 10px;
    width: auto;
  }
  .navigation-logo img {
    height: 32px;
  }
  .burger-container {
    position: absolute;
    width: 1.25rem;
    height: 1.5625rem;
    right: 1.5rem;
    top: 1.375rem;
    z-index: 1002;
    display: block;
  }
  .burger-container:hover {
    cursor: pointer;
  }
  .burger-container span {
    position: absolute;
    height: .125rem;
    border-radius: .25rem;
    width: 100%;
    background: #333333;
    z-index: 100;
    -webkit-transition: all .35s ease;
    transition: all .35s ease;
  }
  .bottom {
    top: .5rem;
  }
  .burger-container.active .top {
    -webkit-transform: translateY(.25rem) translateX(0) rotate(45deg);
    transform: translateY(.25rem) translateX(0) rotate(45deg);
    background: #333333;
  }
  .burger-container.active .middle {
    opacity: 0;
  }
  .burger-container.active .bottom {
    -webkit-transform: translateY(-.25rem) translateX(0) rotate(-45deg);
    transform: translateY(-.25rem) translateX(0) rotate(-45deg);
    background: #333333;
  }
  .overlay {
    position: fixed;
    background-color: rgb(255, 255, 255);
    width: 100%;
    height: 100vh;
    left: 0;
    z-index: 998;
    top: 0;
    opacity: 0;
    overflow-y: visible;
    visibility: hidden;
    overflow-x: visible;
    -webkit-transition: 150ms ease-in-out;
    transition: 150ms ease-in-out;
  }
  .overlay.open {
    position: fixed;
    height: 100vh;
    opacity: .99;
    visibility: visible;
    -webkit-backdrop-filter: blur(.75rem);
    backdrop-filter: blur(.75rem);
  }
  .main-links {
    flex-direction: column;
    gap: 56px;
  }
  .nav-links {
    height: 100%;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 48px;
    z-index: 1001;
    text-align: center;
    transition: .3s all;
    padding: 0;
  }
  .nav-links ul {
    padding: 0;
    visibility: hidden;
    z-index: 1001;
    height: 100%;
  }
  .nav-links ul li {
    margin: auto;
    vertical-align: middle;
    transition: 0s all;
    opacity: 0;
    visibility: hidden;
    transform: translateY(2.5rem);
    padding: 0;
  }
  .nav-links.active ul li {
    opacity: 1;
    visibility: visible;
    transition: .5s all;
  }
  .nav-links.active ul li:nth-child(1) {
    transition-delay: .2s;
    transform: translateY(0);
  }
  .nav-links.active ul li:nth-child(2) {
    transition-delay: .3s;
    transform: translateY(0);
  }
  .nav-links.active ul li:nth-child(3) {
    transition-delay: .4s;
    transform: translateY(0);
  }
  .nav-links.active ul li:nth-child(4) {
    transition-delay: .5s;
    transform: translateY(0);
  }
  .nav-links.active ul li:nth-child(5) {
    transition-delay: .6s;
    transform: translateY(0);
  }
  .nav-links.active ul li:nth-child(6) {
    transition-delay: .7s;
    transform: translateY(0);
  }
  .nav-links.active ul li:nth-child(7) {
    transition-delay: .8s;
    transform: translateY(0);
  }
}

/* ============================================= footer ===================================== */
.footer {
  align-self: end;
  border-top: 1px solid #CCCCCC;
  padding: 32px 0;
  background-color: white;
}

.footer-languages {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 16px;
}

.active-language {
  color: #09022c;
}

.footer-languages a:hover {
  color: #808080;
}

.footer-copyright {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 16px;
}
/*========================== images ==========================*/
.lazy-img {
  filter: blur(.125rem);
  -webkit-filter: blur(.125rem);
  -moz-filter: blur(.125rem);
  -o-filter: blur(.125rem);
  -ms-filter: blur(.125rem);
}
.img-container {
  display: inline-block;
  position: relative;
  overflow: hidden;
  border-radius: .625rem;
  margin-top: 1.5rem;
}
.standard-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: .625rem;
}
.image-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: .625rem;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 60%, rgb(0, 0, 0, .8) 100%);
  z-index: 1;
}
  
/*========================== buttons ==========================*/
.btn-primary a {
  display: inline-flex;
  align-items: center;
  padding: .5rem 1.25rem;
  background-color: #1d1d1f;
  color: white;
  text-decoration: none;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary a::after {
  content: '→';
  position: absolute;
  right: -16px;
  opacity: 0;
  transition: all 0.3s ease;
}

.btn-primary a:hover {
  padding-right: 3rem;
}

.btn-primary a:hover::after {
  right: 1.25rem;
  opacity: 1;
}