:root {
  --black: #000000;
  --black-soft: #030000;
  --red-abyss: #120000;
  --red-dim: #8d0808;
  --red-muted: #b50d0d;
  --red: #e11414;
  --red-hot: #ff2a2a;
  --text-core: #ffffff;
  font-family: "Cascadia Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  color: var(--red);
  background: var(--black);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(180, 0, 0, 0.2), transparent 36rem),
    linear-gradient(180deg, var(--black-soft), var(--black));
}

button,
a {
  font: inherit;
}

button {
  padding: 0;
  border: 0;
}

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

::selection {
  color: var(--black);
  background: var(--red-hot);
}

.site-shell {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 0, 0, 0.14), transparent 24rem),
    radial-gradient(circle at 50% 50%, var(--red-abyss), transparent 46rem),
    var(--black);
}

.site-shell::before,
.site-shell::after {
  position: fixed;
  inset-inline: 0;
  z-index: -1;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--red-muted), transparent);
  opacity: 0.48;
  box-shadow: 0 0 16px rgba(255, 0, 0, 0.42);
}

.site-shell::before {
  top: 0;
}

.site-shell::after {
  bottom: 0;
}

.scanlines,
.edge-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.scanlines {
  z-index: 3;
  opacity: 0.18;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(255, 0, 0, 0.08) 0,
    rgba(255, 0, 0, 0.08) 1px,
    transparent 1px,
    transparent 5px
  );
  mix-blend-mode: screen;
}

.edge-vignette {
  z-index: 2;
  background:
    radial-gradient(circle at center, transparent 0 34%, rgba(0, 0, 0, 0.72) 79%),
    linear-gradient(180deg, rgba(255, 0, 0, 0.08), transparent 12%, transparent 88%, rgba(255, 0, 0, 0.06));
}

.entry-screen,
.loading-screen,
.main-screen {
  grid-area: 1 / 1;
}

.phase-entry .loading-screen,
.phase-entry .main-screen,
.phase-loading .entry-screen,
.phase-loading .main-screen,
.phase-main .entry-screen,
.phase-main .loading-screen {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.phase-entry .entry-screen,
.phase-loading .loading-screen,
.phase-main .main-screen {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.text-reactive {
  color: var(--text-core);
  text-decoration-color: var(--red-muted);
  text-shadow:
    1px 1px 0 var(--red-dim),
    2px 2px 0 var(--red-muted),
    3px 3px 0 rgba(225, 20, 20, 0.58),
    0 0 14px rgba(255, 0, 0, 0.18);
  transition:
    color 180ms ease,
    text-shadow 180ms ease,
    text-decoration-color 180ms ease,
    opacity 180ms ease,
    visibility 180ms ease;
}

.text-reactive:hover,
.text-reactive:focus-visible {
  color: var(--text-core);
  text-decoration-color: var(--red-hot);
  text-shadow:
    1px 1px 0 var(--red),
    2px 2px 0 var(--red-hot),
    3px 3px 0 rgba(255, 42, 42, 0.72),
    0 0 16px rgba(255, 0, 0, 0.58),
    0 0 30px rgba(255, 0, 0, 0.34);
}

.entry-screen {
  position: relative;
  z-index: 4;
  display: grid;
  gap: 0.22rem;
  min-width: 11rem;
  cursor: pointer;
  background: transparent;
  font-size: clamp(0.82rem, 1.4vw, 0.96rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
  text-align: center;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18rem;
}

.entry-screen:focus-visible {
  outline: 1px solid var(--red);
  outline-offset: 0.75rem;
}

.loading-screen {
  position: relative;
  z-index: 4;
  color: var(--text-core);
  text-shadow:
    1px 1px 0 var(--red-dim),
    2px 2px 0 var(--red-muted),
    3px 3px 0 rgba(225, 20, 20, 0.58),
    0 0 14px rgba(255, 0, 0, 0.18);
  font-size: clamp(0.78rem, 1.2vw, 0.88rem);
  letter-spacing: 0;
}

.loading-text::after {
  display: inline-block;
  width: 1.8em;
  content: "";
  animation: loadingDots 1s steps(4, end) infinite;
}

.main-screen {
  position: relative;
  z-index: 4;
  display: grid;
  width: min(100%, 70rem);
  min-height: 100svh;
  place-items: center;
  padding: 2rem;
}

.brand-mark {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: -1;
  width: min(44vw, 25rem);
  max-width: 68rem;
  opacity: 0.07;
  transform: translate(-50%, -50%);
  user-select: none;
}

.main-copy {
  display: grid;
  justify-items: center;
  width: 100%;
  transform: translateY(-0.4rem);
  animation: mainReveal 680ms ease both;
}

.brand-title {
  margin: 0 0 1.15rem;
  font-size: clamp(1.26rem, 2.1vw, 1.92rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.tagline {
  width: min(100%, 52rem);
  margin: 0 0 1.05rem;
  font-size: clamp(0.68rem, 1vw, 0.82rem);
  line-height: 1.8;
  text-align: center;
}

.terminal-line {
  display: flex;
  min-height: 1.35rem;
  align-items: center;
  justify-content: center;
  margin: 0 0 0.48rem;
  color: var(--text-core);
  font-size: clamp(0.72rem, 1vw, 0.86rem);
  line-height: 1.4;
  text-align: center;
  text-shadow:
    1px 1px 0 var(--red-dim),
    2px 2px 0 var(--red-muted),
    3px 3px 0 rgba(225, 20, 20, 0.58),
    0 0 14px rgba(255, 0, 0, 0.18);
}

.terminal-prompt {
  margin-right: 0.45rem;
  color: var(--text-core);
}

.terminal-caret {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  margin-left: 0.08rem;
  background: var(--red-hot);
  opacity: 0.72;
  animation: caretBlink 900ms steps(1, end) infinite;
  box-shadow: 0 0 12px rgba(255, 0, 0, 0.55);
  transform: translateY(0.12em);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.38rem 0.68rem;
  max-width: 22rem;
  line-height: 1.35;
}

.link-row a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16rem;
  font-size: clamp(0.72rem, 1vw, 0.86rem);
}

.link-row a:focus-visible {
  outline: 1px solid var(--red);
  outline-offset: 0.3rem;
}

@keyframes loadingDots {
  0% {
    content: "";
  }

  25% {
    content: ".";
  }

  50% {
    content: "..";
  }

  75%,
  100% {
    content: "...";
  }
}

@keyframes caretBlink {
  0%,
  48% {
    opacity: 0.72;
  }

  49%,
  100% {
    opacity: 0;
  }
}

@keyframes mainReveal {
  from {
    opacity: 0;
    transform: translateY(0.4rem);
  }

  to {
    opacity: 1;
    transform: translateY(-0.4rem);
  }
}

@media (max-width: 700px) {
  body {
    overflow: auto;
  }

  .main-screen {
    padding: 1.5rem;
  }

  .brand-mark {
    width: 86vw;
    opacity: 0.035;
  }

  .tagline {
    max-width: 21rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}