:root {
  --header-safe: 8.25rem;
  --footer-safe: 7.75rem;
  --focus-ring: 2px solid #fff;
}

body {
  overflow-x: hidden;
  overflow-y: auto;
}

.preloader {
  display: none !important;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: var(--focus-ring) !important;
  outline-offset: 4px;
}

header {
  min-height: var(--header-safe);
}

header nav {
  gap: 1rem;
}

header nav > a,
header nav > button {
  flex: 0 0 auto;
}

header nav button {
  color: inherit;
}

.nav-mobile-label {
  display: none;
}

.section {
  contain: none;
  scroll-margin-top: var(--header-safe);
}

main {
  padding-bottom: var(--footer-safe);
}

.section .heading h2,
.heading h2 {
  width: auto;
  max-width: 100%;
  overflow: visible;
  white-space: normal;
  animation: none;
}

.section .heading .index {
  flex: 0 0 2.4rem;
  width: 2.4rem;
}

.heading h2::after {
  display: none;
}

.section--roadmap {
  min-height: 70vh;
}

.roadmap-frame {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 3rem 0 2rem;
}

.roadmap-image {
  width: min(90%, 980px);
  height: auto;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.section--contact {
  padding-bottom: var(--footer-safe);
}

.nav-action {
  appearance: none;
  background: transparent;
  border: 1px solid #fff;
  font: inherit;
  text-transform: uppercase;
}

/* Match the navigation links' animated scanline sweep on both action buttons. */
header nav .nav-action {
  position: relative;
}

header nav .nav-action::before {
  content: "" !important;
  display: block !important;
  position: absolute;
  inset: 0;
  background: url("../img/scanlines-small.svg") repeat top left;
  transform: scale3d(0, 1, 1);
  transform-origin: top left;
  pointer-events: none;
}

header nav .nav-action:hover::before,
header nav .nav-action:focus-visible::before {
  animation: hover 0.5s var(--ease-in-out) infinite;
  animation-fill-mode: forwards;
}

/* Replace the buttons' previous glow layer so all six nav items react alike. */
header nav .nav-action::after {
  content: none !important;
  display: none !important;
}

.game-button .coming-soon-tooltip.is-visible,
.game-button:focus-visible .coming-soon-tooltip {
  opacity: 1;
  visibility: visible;
}

.city {
  background: #000 !important;
  overflow: hidden;
}

#bg-canvas {
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity .45s ease-out;
}

.city.is-live #bg-canvas {
  opacity: 1;
}

.hero-fallback-message {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(34rem, 84vw);
  color: #fff;
  text-align: center;
  z-index: 1;
}

/* Meme transmission archive */
.section--memes {
  width: 100%;
  padding-inline: 0;
  overflow: hidden;
  isolation: isolate;
}

.meme-archive-head {
  padding-inline: 2rem;
}

.meme-archive-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 3rem 1.4rem;
  font-family: 'VT323', monospace;
}

.meme-archive-intro p {
  margin: 0;
  line-height: 1.05;
  letter-spacing: .04em;
}

.meme-window {
  position: relative;
  display: grid;
  gap: .75rem;
  padding-block: .75rem;
  border-block: 1px solid rgba(255, 255, 255, .35);
  background:
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, .025) 3px 4px),
    #030303;
}

.meme-window::before,
.meme-window::after {
  content: "";
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  width: min(8vw, 7rem);
  pointer-events: none;
}

.meme-window::before {
  left: 0;
  background: linear-gradient(90deg, #000, transparent);
}

.meme-window::after {
  right: 0;
  background: linear-gradient(-90deg, #000, transparent);
}

.meme-track {
  display: flex;
  width: max-content;
  transform: translate3d(0, 0, 0);
  animation: meme-drift 58s linear infinite;
  animation-play-state: paused;
  will-change: transform;
}

.meme-track--reverse {
  animation-direction: reverse;
  animation-duration: 66s;
}

.section--memes.is-running .meme-track {
  animation-play-state: running;
}

.meme-window:hover .meme-track {
  animation-play-state: paused;
}

.meme-sequence {
  display: flex;
  flex: none;
  gap: .75rem;
  padding-right: .75rem;
}

.meme-card {
  position: relative;
  flex: none;
  width: auto;
  height: clamp(14rem, 23vw, 21rem);
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .48);
  background: #080808;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .8);
}

.meme-card--four-three { aspect-ratio: 4 / 3; }
.meme-card--wide { aspect-ratio: 16 / 9; }
.meme-card--square { aspect-ratio: 1; }

.meme-track--reverse .meme-card {
  height: clamp(15rem, 25vw, 23rem);
}

.meme-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/scanlines-small.svg") repeat;
  opacity: .12;
  pointer-events: none;
  transition: opacity .25s ease;
}

.meme-card img {
  display: block;
  width: auto;
  height: 100%;
  max-width: none;
  object-fit: contain;
  filter: grayscale(.18) contrast(1.04) brightness(.88);
  transform: scale(1.002);
  transition: filter .3s ease, transform .45s var(--ease-out);
}

.meme-card:hover img {
  filter: grayscale(0) contrast(1.03) brightness(1);
  transform: scale(1.018);
}

.meme-card:hover::after {
  opacity: .04;
}

@keyframes meme-drift {
  to { transform: translate3d(-50%, 0, 0); }
}

.hero-steering {
  position: absolute;
  left: 50%;
  bottom: calc(var(--footer-safe) + 1rem);
  transform: translateX(-50%);
  z-index: 5;
  display: none;
  align-items: center;
  gap: .65rem;
  padding: .5rem .7rem;
  background: rgba(0, 0, 0, .82);
  border: 1px solid rgba(255, 255, 255, .75);
  box-shadow: 0 0 14px rgba(255, 255, 255, .16);
  white-space: nowrap;
}

.hero-steering button {
  appearance: none;
  border: 1px solid #fff;
  background: #fff;
  color: #000;
  padding: .35rem .55rem;
  font: inherit;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-steering-status {
  margin: 0;
  font-size: .85rem;
  letter-spacing: .04em;
}

.hero-steering[data-state="enabled"] button {
  display: none;
}

.hero-steering[data-state="enabled"] {
  border-style: dashed;
}

.modal-overlay[aria-hidden="true"] {
  visibility: hidden;
}

.modal-overlay[aria-hidden="false"] {
  visibility: visible;
}

.certificate-modal-window {
  overscroll-behavior: contain;
}

@media (pointer: coarse), (hover: none) {
  .hero-steering {
    display: flex;
  }
}

@media only screen and (max-width: 767px) {
  :root {
    --header-safe: 8.75rem;
    --footer-safe: 0rem;
  }

  body {
    font-size: 1.05rem;
    line-height: 1.5;
  }

  header {
    padding: .6rem .65rem;
  }

  header nav {
    display: grid;
    grid-template-columns: 4.25rem repeat(2, minmax(0, 1fr));
    grid-template-rows: 4.35rem 2.35rem;
    gap: .35rem .5rem;
    align-items: center;
  }

  header nav a,
  header nav button,
  header nav a:first-child {
    display: inline-flex;
  }

  header nav .logo {
    grid-column: 1;
    grid-row: 1;
    justify-content: center;
  }

  header nav .logo img {
    height: 64px !important;
    margin-left: 0 !important;
  }

  header nav .receipt-button {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    height: 2.6rem;
    padding: .35rem .5rem !important;
  }

  header nav .game-button {
    grid-column: 3;
    grid-row: 1;
    min-width: 0;
    height: 2.6rem;
  }

  header nav .nav-section {
    grid-row: 2;
    justify-content: center;
    min-width: 0;
    height: 2rem;
    padding: .2rem;
    border: 1px solid rgba(255,255,255,.28);
    font-size: .95rem;
  }

  header nav .nav-section:nth-of-type(2) { grid-column: 1; }
  header nav .nav-section:nth-of-type(3) { grid-column: 2; }
  header nav .nav-section:nth-of-type(4) { grid-column: 3; }
  header nav .nav-section:nth-of-type(5) { grid-column: 3; }

  header nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  header nav .logo { grid-column: 1; }
  header nav .receipt-button { grid-column: 2 / span 2; }
  header nav .game-button { grid-column: 4; }
  header nav .nav-section:nth-of-type(2) { grid-column: 1; }
  header nav .nav-section:nth-of-type(3) { grid-column: 2; }
  header nav .nav-section:nth-of-type(4) { grid-column: 3; }
  header nav .nav-section:nth-of-type(5) { grid-column: 4; }

  .nav-desktop-label {
    display: none;
  }

  .nav-mobile-label {
    display: inline;
  }

  main {
    padding-bottom: 0;
  }

  .section {
    width: 100%;
    padding-inline: .75rem;
    scroll-margin-top: var(--header-safe);
  }

  .section .columns,
  .section--manifesto .columns,
  .section--vision-and-mission .columns {
    display: block;
    width: 100%;
    padding: 0 .5rem;
    margin-top: 1.5rem;
  }

  .section .columns .column,
  .section--manifesto .columns .column,
  .section--vision-and-mission .columns .column {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0;
    columns: 1;
  }

  .section .heading {
    padding-top: .4rem;
  }

  .section .heading h2 {
    font-size: clamp(2.25rem, 15vw, 4rem);
    line-height: .95;
  }

  .section--manifesto p,
  .section--vision-and-mission p {
    font-size: 1.08rem;
    line-height: 1.5;
  }

  .section--roadmap {
    min-height: calc(100svh - var(--header-safe));
  }

  .section--memes {
    padding-inline: 0;
  }

  .meme-archive-head {
    padding-inline: .75rem;
  }

  .meme-archive-intro {
    display: block;
    padding: 0 1.25rem 1rem;
  }

  .meme-window {
    gap: .5rem;
    padding-block: .5rem;
  }

  .meme-sequence {
    gap: .5rem;
    padding-right: .5rem;
  }

  .meme-card,
  .meme-track--reverse .meme-card {
    height: clamp(11.5rem, 54vw, 15rem);
  }

  .roadmap-frame {
    margin: 2rem 0;
  }

  .roadmap-image {
    width: 100%;
    border-radius: 8px;
  }

  footer {
    position: static;
    width: 100%;
    padding: 1rem .75rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,.25);
  }

  footer .col,
  footer .col:nth-child(1),
  footer .col:nth-child(2),
  footer .col:nth-child(3),
  footer .col:nth-child(4) {
    display: block;
  }

  footer .col:nth-child(2) {
    display: none;
  }

  footer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
  }

  footer .col:first-child {
    grid-column: 1 / -1;
  }

  .hero-steering {
    display: flex;
    bottom: 1rem;
    max-width: calc(100vw - 1.5rem);
  }

  .hero-steering-status {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .certificate-modal-window {
    width: calc(100% - 1rem);
    max-height: calc(100svh - 1rem);
    padding: 1rem;
  }

  .certificate-paper {
    padding: 1.25rem 1rem 7rem;
  }

  .cert-title {
    padding-right: 4rem;
    text-align: left;
    font-size: 2rem;
  }

  .modal-close {
    position: absolute;
    top: .75rem;
    right: .75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .hero-steering {
    display: none;
  }

  .meme-window {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  .meme-track {
    animation: none;
  }

  .meme-sequence[aria-hidden="true"] {
    display: none;
  }

  .meme-card {
    scroll-snap-align: center;
  }
}