@font-face {
  font-family: "Brunson";
  src: url("../assets/fonts/Brunson.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Brunson Rough";
  src: url("../assets/fonts/Brunson Rough.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "FuturaGSIL";
  src: url("../assets/fonts/FuturaCyrillicBold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}


:root {
  --bg: #000;
  --text-main: #e5e5e5;
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  background: var(--bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  overflow: hidden;
}


.page {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}


.page--nav-open .hero__overlay {
  background: rgba(0, 0, 0, 0.75);
}

.page--nav-open .hero__arrow {
  opacity: 0;
  pointer-events: none;
}


.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}


.hero__bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.15) 0%,
    rgba(0, 0, 0, 0.65) 55%,
    rgba(0, 0, 0, 0.9) 100%
  );
  pointer-events: none;
}


.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}


.hero__text {
  text-align: center;
  line-height: 0.80;
}


.hero__line {
  font-family: "Brunson", system-ui, -apple-system, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-main);
  opacity: var(--text-opacity);
  opacity: 1;
  font-size: clamp(5.5rem, 20vw, 25rem);
  line-height: 0.69;
  margin-block: 0.1em 0;
}


.hero__arrow {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;             
  height: 44px;
  border: none;
  background: transparent; 
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 2;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}


.hero__arrow-icon {
  width: 30px;
  height: 30px;
  border-bottom: 7px solid #ffffff;
  border-left: 7px solid #ffffff;
  border-top: none;
  border-right: none;
  transform: rotate(45deg);
}


.hero__arrow:hover .hero__arrow-icon {
  transform: rotate(45deg) translateX(1px);
}


.hero__arrow:active {
  transform: translateY(-50%) scale(0.97);
}


.nav-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;

  width: min(65vw, 950px);
  background: #d9d9d9;
  color: #000;

  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.85);
  z-index: 5;
}


.page--nav-open .nav-panel {
  transform: translateX(0);
}


.nav-panel__inner {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 40px 56px 40px 56px;
  display: flex;
  flex-direction: column;
}


.nav-panel__top {
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei",
    sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #222;
  margin-bottom: 20px;
}

.nav-panel__label {
  border-top: 3px solid #0066aa;
  padding-top: 8px;
}


.nav-panel__body {
  flex: 1;
  display: flex;
  align-items: flex-start;
}
.nav-panel__list {
  display: flex;
  flex-direction: column;
  gap: 15px;       
}


.nav-panel__row {
  display: flex;
  align-items: flex-start;  
  gap: 15px;                
}

.nav-panel__index {
  font-family: "FuturaGSIL", system-ui, -apple-system, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-weight: 700;
  font-size: 1.5rem;     
  letter-spacing: 0.1em; 
  text-transform: uppercase;
  color: #111;
}



.nav-panel__item {
  font-family: "Brunson", system-ui, -apple-system, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(5rem, 9.5vw, 13rem);
  line-height: 0.9;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0;
  cursor: pointer;
  color: #000;

  position: relative;
  overflow: visible;
}

.nav-panel__item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 10px;
  background: #000;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.25s ease-out;
}
.nav-panel__item:hover::after {
  transform: scaleX(1);
}



.nav-panel__close {
  position: absolute;
  top: 50%;
  right: 32px;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}


.nav-panel__close-icon {
  width: 30px;
  height: 30px;
  border-top: 7px solid #111;
  border-right: 7px solid #111;
  border-left: none;
  border-bottom: none;
  transform: rotate(45deg);
}


.nav-panel__close:hover .nav-panel__close-icon {
  transform: rotate(45deg) translateX(1px);
}

.nav-panel__close:active {
  transform: translateY(-50%) scale(0.97);
}


@media (max-width: 1024px) {
  .nav-panel {
    width: 100%;
  }

  .nav-panel__inner {
    padding: 24px 28px 32px 28px;
  }

  .nav-panel__item {
    font-size: clamp(2.2rem, 7vw, 3rem);
  }

  .nav-panel__index-col {
    gap: 24px;
  }

  .nav-panel__close {
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .nav-panel__close-icon {
    width: 14px;
    height: 14px;
    border-width: 2.5px;
  }

  .hero__arrow {
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .hero__arrow-icon {
    width: 12px;
    height: 12px;
    border-width: 2.5px;
  }
}