* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: "Courier New", monospace;
  color: #5cff8d;
}

#matrix {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(0, 255, 90, 0.08), transparent 34%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.95));
}

.hero {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 24px;
  transform: translateY(-2vh);
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 400;
  letter-spacing: clamp(0.35rem, 1.4vw, 1.2rem);
  color: #7dff9c;
  text-shadow:
    0 0 8px rgba(92, 255, 141, 0.9),
    0 0 20px rgba(0, 255, 80, 0.75),
    0 0 50px rgba(0, 255, 80, 0.45);
  animation: glow 2.4s ease-in-out infinite alternate;
}

h2 {
  margin: 28px 0 0;
  font-size: clamp(0.95rem, 2vw, 1.45rem);
  font-weight: 400;
  letter-spacing: 0.35rem;
  color: #63ff91;
  text-shadow: 0 0 12px rgba(0, 255, 80, 0.8);
}

.message {
  margin-top: 36px;
  min-width: min(620px, 92vw);
  padding: 22px 28px;
  border: 1px solid rgba(92, 255, 141, 0.35);
  background: rgba(0, 20, 5, 0.42);
  box-shadow: inset 0 0 22px rgba(0, 255, 80, 0.08), 0 0 24px rgba(0, 255, 80, 0.08);
}

.message p {
  margin: 8px 0;
  font-size: clamp(0.95rem, 1.7vw, 1.2rem);
}

.quote {
  margin: 48px 0 0;
  font-size: clamp(0.9rem, 1.7vw, 1.15rem);
  line-height: 1.7;
  color: #4cff7c;
  text-shadow: 0 0 10px rgba(0, 255, 80, 0.8);
}

.author {
  margin-top: 8px;
  font-size: 0.95rem;
  color: #37d867;
}

@keyframes glow {
  from {
    opacity: 0.85;
    filter: blur(0px);
  }
  to {
    opacity: 1;
    filter: blur(0.4px);
  }
}

@media (max-width: 600px) {
  .hero {
    transform: none;
  }

  h1 {
    letter-spacing: 0.22rem;
  }

  h2 {
    letter-spacing: 0.16rem;
  }
}