:root {
  color-scheme: dark;
  --bg: #090a0f;
  --bg-2: #10121a;
  --ink: #f2f0d8;
  --muted: #9a9b82;
  --dim: #575a4d;
  --line: #3b3f31;
  --black: #050609;
  --green: #9cff6e;
  --yellow: #ffe66b;
  --blue: #65d8ff;
  --red: #ff6a7a;
  --shadow: #000;
  --font-pixel: "Courier New", "SFMono-Regular", "Cascadia Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  image-rendering: pixelated;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 50%, transparent 50%) 0 0 / 100% 4px,
    radial-gradient(circle at center, transparent 0 52%, rgba(0, 0, 0, 0.32) 80%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(156, 255, 110, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(156, 255, 110, 0.06) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.38;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, transparent 0 6px, rgba(255, 255, 255, 0.025) 6px 7px),
    repeating-linear-gradient(0deg, transparent 0 6px, rgba(255, 255, 255, 0.018) 6px 7px);
  opacity: 0.6;
}

#field {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.42;
  image-rendering: pixelated;
}

.topbar,
.footer {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  width: min(960px, calc(100% - 24px));
  margin: 12px auto 0;
  border: 2px solid var(--line);
  background: var(--black);
  box-shadow: 4px 4px 0 var(--shadow);
  color: var(--muted);
  text-transform: uppercase;
}

.topbar {
  min-height: 44px;
}

.mark,
.nav {
  display: flex;
  align-items: center;
}

.mark {
  gap: 10px;
  padding: 0 12px;
  color: var(--yellow);
}

.mark-dot {
  width: 10px;
  height: 10px;
  border: 2px solid var(--green);
  background: var(--black);
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  border: 0;
  border-left: 2px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.nav a:hover {
  background: var(--green);
  color: var(--black);
}

.home-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  width: min(960px, calc(100% - 24px));
  min-height: calc(100vh - 128px);
  margin: 0 auto;
  padding: 18px 0;
}

.hero,
.panel,
.signal-stage {
  border: 2px solid var(--line);
  background: var(--bg-2);
  box-shadow: 4px 4px 0 var(--shadow);
}

.hero {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 520px;
  padding: 14px;
  background:
    linear-gradient(90deg, rgba(255, 230, 107, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(255, 230, 107, 0.045) 1px, transparent 1px),
    var(--bg-2);
  background-size: 24px 24px;
}

.hero-copy {
  display: grid;
  align-content: start;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 14px;
  padding: 4px 8px;
  border: 2px solid var(--line);
  background: var(--black);
  color: var(--green);
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 8vw, 78px);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 3px 3px 0 var(--black);
}

h1::before {
  content: ">";
  color: var(--green);
  margin-right: 10px;
}

.lede {
  max-width: 600px;
  margin: 10px 0 0;
  padding: 12px 14px;
  border-left: 8px solid var(--yellow);
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  font-size: 18px;
}

.logo-bay {
  display: grid;
  place-items: center;
  min-height: 190px;
  margin: 18px 0;
  border: 2px solid var(--line);
  background:
    linear-gradient(90deg, rgba(156, 255, 110, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(156, 255, 110, 0.09) 1px, transparent 1px),
    rgba(5, 6, 9, 0.34);
  background-size: 8px 8px;
}

.logo-bay img {
  display: block;
  width: min(42%, 190px);
  min-width: 124px;
  height: auto;
  filter: drop-shadow(3px 3px 0 var(--shadow));
  image-rendering: auto;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 2px solid var(--line);
  background: var(--black);
}

.status-grid div {
  min-height: 76px;
  padding: 10px;
  border-right: 2px solid var(--line);
}

.status-grid div:last-child {
  border-right: 0;
}

.status-grid span,
.status-grid strong {
  display: block;
}

.status-grid span {
  color: var(--dim);
  font-size: 12px;
  text-transform: uppercase;
}

.status-grid strong {
  margin-top: 10px;
  color: var(--green);
  font-size: 16px;
  font-weight: 700;
}

.panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: min(620px, calc(100vh - 128px));
  min-height: 520px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 0 10px;
  border-bottom: 2px solid var(--line);
  background: var(--black);
  color: var(--dim);
  text-transform: uppercase;
}

.panel-head h2 {
  margin: 0;
  color: var(--blue);
  font-size: 15px;
}

.terminal {
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px;
  color: var(--muted);
  font-size: 14px;
  scrollbar-color: var(--line) var(--black);
}

.terminal p {
  margin: 0 0 8px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.terminal span {
  color: var(--blue);
}

.terminal .ok span {
  color: var(--green);
}

.terminal .bad span {
  color: var(--red);
}

.terminal .input span {
  color: var(--yellow);
}

.terminal .input {
  color: var(--yellow);
}

.terminal .out {
  color: var(--ink);
}

.terminal .out span {
  color: var(--muted);
}

.terminal .secret-rainbow {
  font-weight: 700;
}

.terminal .secret-rainbow span:nth-child(6n + 1) {
  color: var(--green);
}

.terminal .secret-rainbow span:nth-child(6n + 2) {
  color: var(--yellow);
}

.terminal .secret-rainbow span:nth-child(6n + 3) {
  color: var(--blue);
}

.terminal .secret-rainbow span:nth-child(6n + 4) {
  color: var(--red);
}

.terminal .secret-rainbow span:nth-child(6n + 5) {
  color: var(--ink);
}

.terminal .secret-rainbow span:nth-child(6n) {
  color: var(--muted);
}

.command {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 2px solid var(--line);
  padding: 10px;
  background: var(--black);
  color: var(--green);
}

.command label {
  flex: 0 0 auto;
  color: var(--yellow);
}

.command input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.command input::placeholder {
  color: var(--dim);
}

.footer {
  min-height: 40px;
  margin-top: 0;
  margin-bottom: 12px;
  padding: 8px 10px;
  gap: 16px;
}

.signal-shell {
  width: min(960px, calc(100% - 24px));
  min-height: calc(100vh - 68px);
  margin: 0 auto;
  padding: 18px 0;
}

.signal-stage {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(101, 216, 255, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(101, 216, 255, 0.05) 1px, transparent 1px),
    var(--bg-2);
  background-size: 20px 20px;
}

.signal-copy {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 14px;
  padding: 16px;
  border: 2px solid var(--line);
  background: rgba(5, 6, 9, 0.88);
  box-shadow: 4px 4px 0 var(--shadow);
}

.signal-copy h1 {
  font-size: clamp(30px, 7vw, 64px);
}

.signal-copy p,
.fact-list {
  color: var(--muted);
}

.fact-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.fact-list li {
  padding: 10px;
  border: 2px solid var(--line);
  border-left: 8px solid var(--green);
  background: var(--black);
}

#signal-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
  image-rendering: pixelated;
}

.secret-card {
  margin: 14px;
}

@media (max-width: 760px) {
  body {
    font-size: 14px;
  }

  .topbar,
  .footer,
  .home-shell,
  .signal-shell {
    width: min(100% - 16px, 960px);
  }

  .topbar {
    flex-direction: column;
  }

  .mark {
    min-height: 40px;
    border-bottom: 2px solid var(--line);
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    width: 100%;
  }

  .nav a {
    justify-content: center;
    border-left: 0;
    border-right: 2px solid var(--line);
  }

  .nav a:last-child {
    border-right: 0;
  }

  .home-shell {
    grid-template-columns: 1fr;
  }

  .hero,
  .panel {
    min-height: auto;
  }

  .panel {
    height: min(560px, calc(100vh - 112px));
  }

  .status-grid {
    grid-template-columns: 1fr;
  }

  .status-grid div {
    border-right: 0;
    border-bottom: 2px solid var(--line);
  }

  .status-grid div:last-child {
    border-bottom: 0;
  }

  .lede {
    font-size: 15px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}