style.css

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

body {
  background: radial-gradient(circle at center, #111 0%, #000 70%);
  color: #a8ffbf;
  font-family: "Courier New", monospace;
  text-shadow: 0 0 4px rgba(140,255,176,0.25);
  overflow: hidden;
  height: 100vh;
}

@keyframes breathe {

  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.003);
  }

  100% {
    transform: scale(1);
  }
}

.container {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  position: relative;
  z-index: 2;
  animation: breathe 8s infinite ease-in-out;
}

.screen {
  display: none;
  width: 100%;
  max-width: 700px;
  text-align: center;
}

.active {
  display: block;
}

.terminal {
  animation: flicker 4s infinite;
  filter: drop-shadow(0 0 8px rgba(140,255,176,0.2));
}

.line {
  margin-bottom: 18px;
  opacity: 0;
  animation: fadeIn 1.5s forwards;
}

.delay1 {
  animation-delay: 1s;
}

.delay2 {
  animation-delay: 2s;
}

.delay3 {
  animation-delay: 3s;
}

button {

  margin-top: 35px;

  padding: 12px 20px;

  background: rgba(0,0,0,0.4);

  border: 1px solid rgba(140,255,176,0.5);

  color: #a8ffbf;

  cursor: pointer;

  font-size: 14px;

  transition: 0.3s;

  backdrop-filter: blur(4px);

  letter-spacing: 1px;

  text-transform: lowercase;

  box-shadow:
    0 0 12px rgba(140,255,176,0.1);

  -webkit-tap-highlight-color: transparent;

  touch-action: manipulation;
}

button:hover {
  background: #a8ffbf;
  color: #000;
}

#story-box {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  line-height: 1.8;
  font-size: 18px;
  letter-spacing: 0.5px;

  transition: opacity 0.5s ease;
}

#story-box::after {

  content: "_";

  animation: blink 1s infinite;

  margin-left: 4px;
}

@keyframes blink {

  0% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.fade {
  animation: fadeIn 1s ease forwards;
}

.ending-box {
  display: flex;
  flex-direction: column;
  gap: 25px;
  animation: fadeIn 2s ease;
}

.ending-text {
  opacity: 0;
  animation: fadeIn 2s forwards;
}

.delay-final {
  animation-delay: 2s;
}

.final-main {
  color: #ff7b7b;
  font-size: 24px;
  animation-delay: 4s;
  text-shadow: 0 0 12px rgba(255, 123, 123, 0.5);
}

#noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image:
    repeating-radial-gradient(circle at 0 0, transparent 0, #fff 1px, transparent 2px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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

@keyframes flicker {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0.95;
  }

  100% {
    opacity: 1;
  }
}

@media (max-width: 600px) {
  #story-box {
    font-size: 16px;
  }

  .final-main {
    font-size: 20px;
  }
}

#secret {
  position: fixed;
  bottom: 18px;
  right: 18px;

  width: 8px;
  height: 8px;

  border-radius: 50%;
  background: #ff4d4d;

  opacity: 0.5;

  animation: pulse 1.5s infinite;
  cursor: pointer;

  box-shadow: 0 0 10px #ff4d4d;
  z-index: 999;
  pointer-events: auto;
}

@keyframes pulse {

  0% {
    transform: scale(1);
    opacity: 0.3;
  }

  50% {
    transform: scale(1.5);
    opacity: 1;
  }

  100% {
    transform: scale(1);
    opacity: 0.3;
  }
}

.glitch {

  position: relative;
  color: #a8ffbf;

  animation: glitch 1.5s infinite;
}

@keyframes glitch {

  0% {
    text-shadow: 2px 0 red;
  }

  25% {
    text-shadow: -2px 0 blue;
  }

  50% {
    text-shadow: 2px 0 green;
  }

  100% {
    text-shadow: none;
  }
}

body::before {

  content: "";

  position: fixed;

  inset: 0;

  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,0.03),
      rgba(255,255,255,0.03) 1px,
      transparent 1px,
      transparent 3px
    );

  pointer-events: none;

  opacity: 0.08;

  z-index: 1;
}

/* BACKGROUND GLOW */

.background-glow {

  position: fixed;

  width: 500px;
  height: 500px;

  background:
    radial-gradient(circle,
    rgba(140,255,176,0.12) 0%,
    transparent 70%);

  top: 50%;
  left: 50%;

  transform:
    translate(-50%, -50%);

  filter: blur(80px);

  z-index: 0;

  animation: glowMove 12s ease-in-out infinite;
}



/* FLOATING PARTICLES */

.particles {

  position: fixed;

  inset: 0;

  overflow: hidden;

  z-index: 0;

  pointer-events: none;
}

.particles span {

  position: absolute;

  display: block;

  width: 2px;
  height: 2px;

  background: rgba(140,255,176,0.4);

  border-radius: 50%;

  animation:
    floatUp linear infinite;
}



/* RANDOM PARTICLE POSITIONS */

.particles span:nth-child(1) {
  left: 10%;
  animation-duration: 12s;
  animation-delay: 0s;
}

.particles span:nth-child(2) {
  left: 20%;
  animation-duration: 18s;
  animation-delay: 2s;
}

.particles span:nth-child(3) {
  left: 35%;
  animation-duration: 14s;
  animation-delay: 1s;
}

.particles span:nth-child(4) {
  left: 50%;
  animation-duration: 20s;
  animation-delay: 3s;
}

.particles span:nth-child(5) {
  left: 65%;
  animation-duration: 16s;
  animation-delay: 1s;
}

.particles span:nth-child(6) {
  left: 75%;
  animation-duration: 22s;
  animation-delay: 5s;
}

.particles span:nth-child(7) {
  left: 85%;
  animation-duration: 17s;
  animation-delay: 2s;
}

.particles span:nth-child(8) {
  left: 95%;
  animation-duration: 13s;
  animation-delay: 0s;
}



/* ANIMATIONS */

@keyframes floatUp {

  from {

    transform:
      translateY(100vh);

    opacity: 0;
  }

  20% {
    opacity: 1;
  }

  to {

    transform:
      translateY(-10vh);

    opacity: 0;
  }
}

@keyframes glowMove {

  0% {

    transform:
      translate(-50%, -50%)
      scale(1);
  }

  50% {

    transform:
      translate(-48%, -52%)
      scale(1.1);
  }

  100% {

    transform:
      translate(-50%, -50%)
      scale(1);
  }
}

/* DARK EDGE VIGNETTE */

body::after {

  content: "";

  position: fixed;

  inset: 0;

  background:
    radial-gradient(
      circle,
      transparent 45%,
      rgba(0,0,0,0.65) 100%
    );

  pointer-events: none;

  z-index: 3;
}

.flash-red {

  animation: redPulse 0.6s ease;
}

@keyframes redPulse {

  0% {
    background-color: rgba(255,0,0,0);
  }

  50% {
    background-color: rgba(255,0,0,0.06);
  }

  100% {
    background-color: rgba(255,0,0,0);
  }
}

/* ATMOSPHERIC FOG */

.fog {

  position: fixed;

  inset: -50%;

  background:
    radial-gradient(
      circle,
      rgba(255,255,255,0.02),
      transparent 70%
    );

  animation:
    driftFog 30s linear infinite;

  pointer-events: none;

  z-index: 0;
}

@keyframes driftFog {

  from {

    transform:
      translateX(-5%)
      translateY(-5%);
  }

  to {

    transform:
      translateX(5%)
      translateY(5%);
  }
}