:root {
  --void: #05070a;
  --ink: #e8f1e9;
  --dim: #5f6f66;
  --acid: #c8ff2e;
  --acid-soft: rgba(200, 255, 46, 0.14);
  --line: rgba(200, 255, 46, 0.25);
  --mono: "IBM Plex Mono", "Courier New", monospace;
  --disp: "Michroma", "Arial Black", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  background: var(--void);
  color: var(--ink);
  font-family: var(--mono);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* ---------- atmosphere layers ---------- */

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

.grain {
  z-index: 5;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.16'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(3) infinite;
}

@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  33% { transform: translate(-3%, 2%); }
  66% { transform: translate(2%, -3%); }
  100% { transform: translate(0, 0); }
}

.scanlines {
  z-index: 4;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 3px,
    rgba(0, 0, 0, 0.22) 3px 4px
  );
  mix-blend-mode: multiply;
}

.vignette {
  z-index: 3;
  background: radial-gradient(ellipse at 50% 45%, transparent 45%, rgba(2, 3, 5, 0.85) 100%);
}

/* ---------- HUD frame ---------- */

.frame { position: fixed; inset: 14px; z-index: 6; pointer-events: none; }

.corner {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
}
.corner.tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.corner.tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.corner.br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

/* ---------- HUD bars ---------- */

.hud {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 44px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
}

.hud-top { top: 34px; }
.hud-bottom { bottom: 34px; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 10px;
  height: 10px;
  background: var(--acid);
  clip-path: polygon(0 0, 100% 0, 0 100%, 100% 100%);
}

.brand-name {
  font-family: var(--disp);
  font-size: 15px;
  letter-spacing: 0.34em;
  color: var(--ink);
}

.brand-name em {
  font-style: normal;
  color: var(--acid);
}

.sys { display: flex; align-items: center; gap: 10px; }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 12px var(--acid);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

/* ---------- stage ---------- */

.stage {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.5em;
  color: var(--acid);
  margin-bottom: 28px;
}

.title {
  font-family: var(--disp);
  font-weight: 400;
  font-size: clamp(30px, 7.2vw, 92px);
  line-height: 1.08;
  letter-spacing: 0.12em;
  text-shadow: 0 0 60px rgba(200, 255, 46, 0.12);
}

.title .line { display: block; }

.line-accent {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--acid);
  position: relative;
  animation: flicker 6s linear infinite;
}

@keyframes flicker {
  0%, 91%, 93.5%, 100% { opacity: 1; }
  91.5% { opacity: 0.35; }
  92% { opacity: 0.85; }
  93% { opacity: 0.4; }
}

.sub {
  margin-top: 34px;
  font-size: 13px;
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.14em;
  color: var(--dim);
}

/* ---------- progress ---------- */

.progress {
  margin-top: 52px;
  width: min(420px, 82vw);
  border: 1px solid rgba(200, 255, 46, 0.18);
  background: rgba(5, 9, 6, 0.55);
  backdrop-filter: blur(6px);
  padding: 16px 18px 14px;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--dim);
  margin-bottom: 10px;
}

#pct { color: var(--acid); }

.bar {
  height: 8px;
  background: rgba(200, 255, 46, 0.08);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(
    -45deg,
    var(--acid) 0 6px,
    rgba(200, 255, 46, 0.35) 6px 12px
  );
  box-shadow: 0 0 18px rgba(200, 255, 46, 0.45);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.progress-log {
  margin-top: 10px;
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.caret {
  color: var(--acid);
  animation: blink 1s steps(1) infinite;
}

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

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: reveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .hud { padding: 0 26px; }
  .hide-sm { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .grain, .dot, .line-accent, .caret { animation: none; }
  .reveal { animation-duration: 0.01s; animation-delay: 0s; }
}