/*
 * Burd Studio.
 *
 * The Maze's camcorder look, used as the studio's own: one dark ground, pixel display type over a
 * mono body face, amber for anything you can press, static scanlines over everything, and
 * viewfinder brackets around the footage. Square corners throughout, as in the game.
 *
 * The fonts are the game's own self-hosted subsets, so the site makes no third-party requests.
 */

@font-face {
  font-family: 'VT323';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/vt323-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Share Tech Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/share-tech-mono-latin.woff2') format('woff2');
}

:root {
  --bg: #0b0f0c;
  --edge: #3d4a3a;
  --edge-soft: #222d24;
  --text: #d7e4c8;
  --muted: #8fa386;
  --caption: #6f8266;
  --accent: #ffb340;
  --accent-hover: #ffc56e;
  --rec: #ff4d4d;
  --display: 'VT323', 'Share Tech Mono', ui-monospace, Menlo, monospace;
  --mono: 'Share Tech Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --max: 1120px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--mono);
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

/* Static scanlines over everything, as in the game. Static is the point. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.22) 0 1px, transparent 1px 3px);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ------------------------------------------------------------------ header */

.top {
  max-width: var(--max);
  margin: 0 auto;
  padding-block: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font: 30px/1 var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mark svg {
  width: 39px;
  height: 30px;
  fill: var(--accent);
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
}

nav a:hover {
  color: var(--text);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding-bottom: 72px;
  display: flex;
  flex-direction: column;
  gap: 104px;
}

/* -------------------------------------------------------------------- hero */

.hero {
  padding-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: center;
  gap: 44px;
}

.osd {
  margin: 0 0 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.osd span {
  border: 1px solid var(--edge);
  padding: 1px 7px;
  color: var(--caption);
  font-size: 11px;
}

h1 {
  margin: 0;
  color: var(--accent);
  font: 400 clamp(46px, 6.2vw, 84px)/0.92 var(--display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-wrap: balance;
}

.lede {
  margin: 22px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 16px;
}

.actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--bg);
  font: 26px/1 var(--display);
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.button:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.button--ghost {
  border-color: var(--edge);
  background: transparent;
  color: var(--text);
}

.button--ghost:hover {
  border-color: var(--muted);
  background: transparent;
}

/* The footage, framed as the game frames a corridor: in viewfinder brackets. */
.viewfinder {
  --bracket: var(--text);
  margin: 0;
  padding: 14px;
  background:
    linear-gradient(var(--bracket), var(--bracket)) left top / 2px 26px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) left top / 26px 2px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) right top / 2px 26px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) right top / 26px 2px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) left bottom / 2px 26px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) left bottom / 26px 2px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) right bottom / 2px 26px no-repeat,
    linear-gradient(var(--bracket), var(--bracket)) right bottom / 26px 2px no-repeat;
}

.viewfinder video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #000;
}

.osd-bar {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--caption);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.rec {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.rec i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rec);
  animation: blink 1.2s steps(1) infinite;
}

#pause {
  margin-left: auto;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--edge);
  background: transparent;
  color: var(--muted);
  font: inherit;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

#pause:hover {
  border-color: var(--muted);
  color: var(--text);
}

/* ---------------------------------------------------------------- sections */

.section h2 {
  margin: 0 0 30px;
  font: 400 clamp(36px, 4.4vw, 56px)/1 var(--display);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* How it plays: three moments, in order. */
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.steps li {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.steps img {
  display: block;
  width: 100%;
  max-width: 270px;
  height: auto;
  margin-bottom: 8px;
  border: 1px solid var(--edge);
}

.num {
  color: var(--accent);
  font: 22px/1 var(--display);
  letter-spacing: 0.12em;
}

.steps h3 {
  margin: 0;
  font: 400 30px/1 var(--display);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.steps p {
  margin: 0;
  max-width: 34ch;
  color: var(--muted);
}

/* The game sheet: the four numbers a partner asks for first. */
.sheet {
  margin: 64px 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.sheet > div {
  padding: 20px 20px 22px;
  border-left: 1px solid var(--edge-soft);
}

.sheet > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.sheet dt {
  color: var(--caption);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.sheet dd {
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.big {
  color: var(--accent);
  font: 52px/1 var(--display);
  font-variant-numeric: tabular-nums;
}

.note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* Fairness: the claims beside the screen that proves them. */
.fair {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: start;
  gap: 44px;
}

.fair ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fair li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

/* The tick on a camcorder's level meter. */
.fair li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 12px;
  height: 2px;
  background: var(--accent);
}

.frame {
  margin: 0;
  border: 1px solid var(--edge);
}

.frame img {
  display: block;
  width: 100%;
  height: auto;
}

.contact {
  padding-top: 64px;
  border-top: 1px solid var(--edge);
}

.contact p {
  max-width: 60ch;
  margin: 0 0 14px;
  color: var(--muted);
}

.email {
  display: inline-block;
  margin-top: 20px;
  border-bottom: 2px solid currentColor;
  color: var(--accent);
  font: clamp(30px, 5vw, 56px)/1.1 var(--display);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.email:hover {
  color: var(--accent-hover);
}

.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding-block: 28px 44px;
  border-top: 1px solid var(--edge-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  color: var(--caption);
  font-size: 12px;
}

.foot p {
  margin: 0;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ------------------------------------------------------------------ narrow */

@media (max-width: 900px) {
  .hero,
  .fair {
    grid-template-columns: minmax(0, 1fr);
  }

  .sheet {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sheet > div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .sheet > div:nth-child(n + 3) {
    border-top: 1px solid var(--edge-soft);
  }
}

/* On a phone the three screens become a row you swipe, rather than three tall images stacked. */
@media (max-width: 760px) {
  main {
    gap: 80px;
  }

  .steps {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 74%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 14px;
  }

  .steps li {
    scroll-snap-align: start;
  }
}

@media (max-width: 480px) {
  nav {
    gap: 16px;
  }

  .sheet {
    grid-template-columns: minmax(0, 1fr);
  }

  .sheet > div,
  .sheet > div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .sheet > div + div {
    border-top: 1px solid var(--edge-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .rec i {
    animation: none;
  }
}