:root {
  color-scheme: dark;
  background: #070e13;
}

html,
body {
  min-height: 100%;
  background: #070e13;
}

html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 24px; }

.site-preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 42%, rgb(39 50 59 / .72), transparent 42%), #151c21;
  opacity: 1;
  visibility: visible;
  transition: opacity 460ms cubic-bezier(.25,1,.5,1), visibility 0s linear 500ms;
  contain: strict;
}

.site-preloader::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgb(232 239 242 / .018) 0 1px, transparent 1px 4px), url("../media/hero-grain.webp") repeat;
  background-size: auto, 192px 192px;
  mix-blend-mode: soft-light;
  opacity: .24;
  pointer-events: none;
}

.site-preloader--done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-preloader__mark { position: relative; z-index: 1; }
.site-preloader__spinner {
  display: block;
  width: 42px;
  height: 42px;
  box-sizing: border-box;
  border: 2px solid rgb(244 247 249 / .22);
  border-top-color: #f4f7f9;
  border-right-color: rgb(244 247 249 / .72);
  border-radius: 50%;
  animation: bagk-spinner 780ms linear infinite;
}
@keyframes bagk-spinner { to { transform: rotate(360deg); } }

.wp-block-video { background: #151c21; }
.wp-block-video video { transition: opacity 260ms cubic-bezier(.25,1,.5,1); }
.wp-block-video video[data-deferred-src],
.wp-block-video video.deferred-video--loading { opacity: 0; }

.header--video-preview {
  color: #f4f7f9;
  background: linear-gradient(180deg, rgb(5 12 17 / .58) 0%, rgb(5 12 17 / .18) 62%, transparent 100%);
}
.header--video-preview .header-nav__link,
.header--video-preview .lang-list a,
.header--video-preview .contacts-link { color: #f4f7f9 !important; text-shadow: 0 1px 18px rgb(0 0 0 / .26); }
.header--video-preview .header-nav__link::before { background-color: #f4f7f9; }
.header--video-preview .burger::before,
.header--video-preview .burger::after { border-color: #f4f7f9; }
.header--video-preview .burger::before { filter: brightness(0) invert(1); }

.top.top--video {
  --hero-white: #f4f7f9;
  position: relative;
  isolation: isolate;
  min-height: clamp(680px, 56vw, 900px);
  color: var(--hero-white);
  background: #070e13;
}
.top.top--video::before,
.top.top--video::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.top.top--video::before {
  z-index: 1;
  background: linear-gradient(180deg, rgb(5 11 16 / .22) 0%, transparent 28%, rgb(5 11 16 / .18) 100%), linear-gradient(90deg, rgb(5 12 17 / .82) 0%, rgb(5 12 17 / .67) 34%, rgb(5 12 17 / .30) 66%, rgb(5 12 17 / .16) 100%);
}
.top.top--video::after {
  z-index: 2;
  background-image: repeating-linear-gradient(0deg, rgb(232 239 242 / .025) 0 1px, transparent 1px 4px), url("../media/hero-grain.webp");
  background-repeat: repeat;
  background-size: auto, 192px 192px;
  mix-blend-mode: soft-light;
  opacity: .23;
}
.top--video .top-media,
.top--video .top-media__poster,
.top--video .top-media__poster img,
.top--video .top-media__video { position: absolute; inset: 0; width: 100%; height: 100%; }
.top--video .top-media { z-index: 0; overflow: hidden; background: #070e13; }
.top--video .top-media__poster { z-index: 0; display: block; margin: 0; opacity: 1; transition: opacity 420ms ease; }
.top--video .top-media__poster img,
.top--video .top-media__video { display: block; object-fit: cover; object-position: center; }
.top--video .top-media__poster img { filter: contrast(1.06) saturate(.88) brightness(.90); }
.top--video .top-media__video { z-index: 1; opacity: 0; filter: contrast(1.08) saturate(.90) brightness(.92); transition: opacity 420ms ease; }
.top--video.top--video-playing .top-media__video { opacity: 1; }
.top--video.top--video-playing .top-media__poster { opacity: 0; }
.top--video.top--poster-only .top-media__video { display: none; }
.top.top--video .container {
  position: relative;
  z-index: 3;
  justify-content: center;
  min-height: clamp(680px, 56vw, 900px);
  box-sizing: border-box;
  padding-top: clamp(152px, 12vw, 208px);
  padding-bottom: clamp(72px, 7vw, 120px);
}
.top--video .top__pretitle,
.top--video .top__title,
.top--video .top__txt { color: var(--hero-white); text-shadow: 0 2px 28px rgb(0 0 0 / .24); }
.top--video .top__pretitle { opacity: .68; }
.top--video .top__title { max-width: 950px; font-size: clamp(38px, 3.74vw, 64px); line-height: 1.08; }
.top--video .top__txt { opacity: .82; }
.top--video .top__link { box-shadow: 0 14px 40px rgb(0 0 0 / .18); }

@media (max-width: 767px) {
  .about .img-wrapper { height: auto; min-height: 0; }
  .about .wp-block-video { margin: 0; line-height: 0; }
  .about .wp-block-video video { display: block; width: 100%; height: auto; }
  .about > .container--left > .txt-wrapper .about__txt,
  .about > .container--left > .inner-wrapper > .about__txt { margin-top: 24px; }

  .header--video-preview { background: linear-gradient(180deg, rgb(5 12 17 / .70) 0%, rgb(5 12 17 / .18) 76%, transparent 100%); }
  .header.header--video-preview .header-nav {
    display: flex;
    justify-content: flex-start;
    padding: clamp(112px, 20svh, 156px) 20px 48px;
    overflow: hidden;
    background: radial-gradient(circle at 86% 12%, rgb(186 147 98 / .12), transparent 30%), linear-gradient(155deg, #151c21 0%, #222c33 100%);
    box-shadow: 0 24px 80px rgb(0 0 0 / .28);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(0,-102%,0);
    transform-origin: top center;
    transition: transform 440ms cubic-bezier(.16,1,.3,1), opacity 260ms cubic-bezier(.25,1,.5,1), visibility 0s linear 440ms;
    will-change: transform, opacity;
  }
  .header.header--video-preview .header-nav.active { opacity: 1; visibility: visible; pointer-events: auto; transform: translate3d(0,0,0); transition-delay: 0s; }
  .header.header--video-preview .header-nav .header-nav__link { opacity: 0; transform: translate3d(0,-14px,0); transition: transform 300ms cubic-bezier(.22,1,.36,1), opacity 220ms cubic-bezier(.25,1,.5,1); }
  .header.header--video-preview .header-nav.active .header-nav__link { opacity: 1; transform: translate3d(0,0,0); }
  .header.header--video-preview .header-nav.active .header-nav__link:nth-child(1) { transition-delay: 90ms; }
  .header.header--video-preview .header-nav.active .header-nav__link:nth-child(2) { transition-delay: 125ms; }
  .header.header--video-preview .header-nav.active .header-nav__link:nth-child(3) { transition-delay: 160ms; }
  .header.header--video-preview .header-nav.active .header-nav__link:nth-child(4) { transition-delay: 195ms; }
  .header.header--video-preview .header-nav.active .header-nav__link:nth-child(5) { transition-delay: 230ms; }
  .header.header--video-preview .header-nav.active .header-nav__link:nth-child(6) { transition-delay: 265ms; }
  .header.header--video-preview .burger { position: relative; z-index: 103; overflow: visible; }
  .header.header--video-preview .burger.active { position: fixed; top: max(12px, calc(env(safe-area-inset-top) + 12px)); right: 20px; }
  .header.header--video-preview .burger::before,
  .header.header--video-preview .burger::after {
    content: ""; position: absolute; top: 50%; left: 50%; width: 22px; height: 2px; border: 0; border-radius: 999px; background: #f4f7f9; background-image: none; filter: none; transform-origin: center; transition: transform 320ms cubic-bezier(.22,1,.36,1), opacity 180ms ease-out;
  }
  .header.header--video-preview .burger::before { transform: translate3d(-50%,-6px,0); }
  .header.header--video-preview .burger::after { transform: translate3d(-50%,5px,0); }
  .header.header--video-preview .burger.active::before { width: 22px; height: 2px; background-image: none; transform: translate3d(-50%,-1px,0) rotate(45deg); }
  .header.header--video-preview .burger.active::after { transform: translate3d(-50%,-1px,0) rotate(-45deg); }

  .top.top--video { min-height: 100svh; }
  .top.top--video::before { background: linear-gradient(180deg, rgb(5 12 17 / .60) 0%, rgb(5 12 17 / .26) 42%, rgb(5 12 17 / .70) 100%), linear-gradient(90deg, rgb(5 12 17 / .52) 0%, rgb(5 12 17 / .16) 100%); }
  .top.top--video .container {
    justify-content: flex-end;
    min-height: 100svh;
    padding: max(120px, calc(env(safe-area-inset-top) + 88px)) max(20px, env(safe-area-inset-right)) max(clamp(48px, 7svh, 64px), calc(env(safe-area-inset-bottom) + 32px)) max(20px, env(safe-area-inset-left));
  }
  .top--video .top__title { max-width: 12ch; font-size: clamp(29px,8vw,36px); line-height: 1.1; }
  .top--video .top__txt { font-size: clamp(17px,4.7vw,20px); line-height: 1.45; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-preloader { transition-duration: .01ms !important; }
  .site-preloader__spinner { animation-duration: 1600ms; }
  .wp-block-video video { transition: none; }
  .header--video-preview .header-nav,
  .header--video-preview .header-nav__link,
  .header--video-preview .burger::before,
  .header--video-preview .burger::after { transition-duration: .01ms !important; transition-delay: 0ms !important; }
  .top--video .top-media__video { display: none; }
  .top--video .top-media__poster { opacity: 1; transition: none; }
}