@font-face {
  font-family: Inter;
  src: url(/assets/arkvell/fonts/inter-cyrillic.woff2);
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0400-052F, U+2116;
}
@font-face {
  font-family: Inter;
  src: url(/assets/arkvell/fonts/inter-latin.woff2);
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0000-024F, U+2000-206F;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: #171815;
  color: #f1ede4;
  font:
    500 16px/1.5 Inter,
    Arial,
    sans-serif;
  --hot: #ff7957;
  --mono: "Cascadia Mono", Consolas, monospace;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
button,
a,
input {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid #ffca62;
  outline-offset: 4px;
}
.frame {
  width: min(90.4%, 2460px);
  margin-inline: auto;
}
.skip {
  position: absolute;
  z-index: 9;
  left: 1rem;
  top: -6rem;
  background: #fff;
  color: #111;
  padding: 0.5rem;
}
.skip:focus {
  top: 0.5rem;
}
header {
  background: #191a17;
  color: #eeeae0;
}
.nav,
footer .frame {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav {
  min-height: clamp(60px, 4.8vw, 112px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.35em;
  font-size: clamp(22px, 1.8vw, 45px);
  font-style: italic;
  font-weight: 870;
  letter-spacing: -0.065em;
  line-height: 1;
}
.glyph {
  display: inline-block;
  width: 1.18em;
  height: 0.93em;
  background: #ff7957;
  clip-path: polygon(
    0 100%,
    32% 0,
    55% 0,
    22% 100%,
    31% 100%,
    64% 0,
    80% 0,
    100% 100%,
    79% 100%,
    69% 51%,
    53% 100%
  );
}
nav {
  display: flex;
  gap: clamp(28px, 4vw, 92px);
  font-size: clamp(13px, 0.88vw, 23px);
}
.nav a,
footer a {
  padding-block: 10px;
}
.nav a:hover,
footer a:hover {
  color: var(--hot);
}
.back,
.eyeline,
.hero-foot,
.map-head,
.map-foot,
.reading {
  font: 650 clamp(10px, 0.78vw, 19px) / 1.4 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(560px, min(51.5vw, 88svh), 1280px);
  display: grid;
  align-content: center;
  background: #29221d;
  overflow: hidden;
}
.hero picture,
.hero picture img,
.hero::after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}
.hero picture img {
  object-fit: cover;
  object-position: 65% 49%;
}
.hero::after {
  content: "";
  z-index: -1;
  background:
    linear-gradient(
      90deg,
      rgba(20, 18, 16, 0.88) 0%,
      rgba(24, 19, 17, 0.71) 24%,
      rgba(23, 19, 16, 0.11) 64%
    ),
    linear-gradient(0deg, #151713aa, transparent 23%);
}
.hero-copy {
  padding: clamp(56px, 4.5vw, 125px) 0 clamp(84px, 6.4vw, 155px);
}
.eyeline {
  display: flex;
  align-items: center;
  gap: 0.85em;
  margin: 0;
  color: #f4b19b;
}
.eyeline i,
.map-foot i {
  width: 0.67em;
  height: 0.67em;
  background: var(--hot);
  display: inline-block;
}
.hero h1 {
  font-size: clamp(90px, 8.95vw, 230px);
  font-weight: 780;
  line-height: 0.85;
  letter-spacing: -0.089em;
  margin: 0.24em 0 0.25em -0.047em;
}
.hero h1 span {
  color: var(--hot);
}
.intro {
  max-width: 27em;
  font-size: clamp(15px, 1.12vw, 31px);
  line-height: 1.46;
  margin: 0;
  color: #f4e9df;
}
.action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.8em;
  background: var(--hot);
  color: #23130d;
  border: 0;
  border-radius: 2px;
  min-height: 44px;
  padding: 0.84em 1.22em;
  font:
    710 clamp(13px, 0.97vw, 23px) / 1.3 Inter,
    Arial,
    sans-serif;
}
.action b {
  font-size: 1.3em;
  font-weight: 400;
}
.action:hover {
  background: #ff9577;
}
.hero .action {
  margin-top: 1.4em;
}
.hero-foot {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
  border-top: 1px solid #e8d1bd60;
  color: #ebdfd4;
  padding: 1.05em 0;
}
.hero-foot i {
  font-style: normal;
  color: var(--hot);
  margin: 0 0.6em;
}
.arena {
  padding: clamp(52px, 6vw, 156px) 0;
  color: #eeeade;
}
.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.1rem;
}
.section-title h2 {
  font-size: clamp(44px, 4.8vw, 124px);
  line-height: 0.98;
  letter-spacing: -0.075em;
  margin: 0.2em 0 0;
}
.section-title > p {
  max-width: 29em;
  color: #bbbab0;
  font-size: clamp(14px, 1vw, 24px);
  margin: 0;
}
.console {
  display: grid;
  grid-template-columns: 1.48fr 1fr;
  border: 1px solid #57584b;
}
.mapbox {
  position: relative;
  background: #222923;
  isolation: isolate;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.map-head,
.map-foot {
  display: flex;
  justify-content: space-between;
  gap: 0.6em;
  align-items: center;
  padding: 1.1em 1.4em;
  color: #dad8c3;
  background: #233027bf;
}
.map-foot i {
  margin-right: 0.4em;
  border-radius: 50%;
}
.mapbox canvas {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  z-index: -1;
}
.control {
  padding: clamp(22px, 3vw, 80px);
  border-left: 1px solid #57584b;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1em;
  background: #1c1d19;
}
.control h3 {
  font-size: clamp(29px, 2.5vw, 65px);
  line-height: 1.05;
  letter-spacing: -0.06em;
  margin: 0;
}
.routes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
}
.routes button {
  padding: 0.53em 0.79em;
  border: 1px solid #696b5c;
  background: transparent;
  color: #f1ece4;
  font:
    600 clamp(12px, 0.86vw, 20px) / 1.4 Inter,
    Arial,
    sans-serif;
}
.routes button[aria-pressed="true"] {
  background: #f0e9d5;
  color: #24241e;
  border-color: #f0e9d5;
}
.routes button:hover {
  border-color: var(--hot);
}
.control > p {
  margin: 0;
  color: #c4c1b6;
  font-size: clamp(14px, 1.04vw, 27px);
}
#receiver {
  width: 100%;
  border-top: 1px solid #57584b;
  padding-top: 1em;
}
.control [hidden] {
  display: none !important;
}
#receiver label {
  display: flex;
  justify-content: space-between;
  font-size: clamp(13px, 0.95vw, 23px);
}
output,
.reading {
  font-variant-numeric: tabular-nums;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--hot);
  margin: 12px 0;
}
.meter {
  height: 3px;
  background: #48483d;
}
.meter i {
  display: block;
  background: var(--hot);
  height: 100%;
  width: 0;
}
.reading {
  margin: 9px 0 0;
  color: #cec7b7;
}
.feedback:empty {
  display: none;
}
.control .feedback {
  color: #ffab91;
}
.control noscript {
  font-size: 0.85em;
}
footer {
  border-top: 1px solid #41423b;
}
footer .frame {
  padding: 1.2rem 0;
}
footer .frame > a:last-child {
  font-size: clamp(12px, 0.9vw, 21px);
}
@media (max-width: 760px) {
  .hero {
    min-height: 650px;
    min-height: clamp(570px, 87svh, 740px);
    align-content: end;
  }
  .hero picture img {
    object-position: 63% 16%;
  }
  .hero::after {
    background: linear-gradient(
      0deg,
      #191916fa 0%,
      #201c19c7 28%,
      #22191735 55%,
      transparent 75%
    );
  }
  .hero h1 {
    font-size: clamp(77px, 17.9vw, 126px);
  }
  .hero-copy {
    padding: 0 0 64px;
  }
  .intro {
    font-size: 15px;
    max-width: 28em;
  }
  .hero-foot {
    font-size: 9px;
  }
  .section-title {
    display: block;
    margin-bottom: 1.3rem;
  }
  .section-title > p {
    margin-top: 0.8rem;
  }
  .console {
    grid-template-columns: 1fr;
  }
  .mapbox {
    min-height: 0;
    aspect-ratio: 1.8;
  }
  .control {
    border-left: 0;
    border-top: 1px solid #57584b;
  }
  .nav nav {
    display: none;
  }
  .arena {
    padding: 48px 0;
  }
  .nav {
    min-height: 54px;
  }
}
@media (max-width: 360px) {
  .hero h1 { font-size: min(77px, 21.8vw); }
}

@media (prefers-reduced-motion: no-preference) {
  .action,
  .routes button {
    transition:
      background 0.2s,
      color 0.2s;
  }
  .hero picture img {
    animation: arrive 1.9s cubic-bezier(0.2, 0.65, 0.25, 1) both;
  }
  @keyframes arrive {
    from {
      transform: scale(1.045);
    }
    to {
      transform: scale(1);
    }
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}