:root {
  --bg: #020402;
  --panel: rgba(0, 20, 0, 0.82);
  --green: #00ff66;
  --green-soft: #66ff99;
  --green-dim: #0f7f3a;
  --text: #b6ffd0;
  --border: #00aa44;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at center, rgba(0, 80, 20, 0.25), transparent 45%),
    linear-gradient(180deg, #000 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Courier New", Courier, monospace;
  letter-spacing: 0.03em;
  overflow-x: hidden;
}

body::before {
  content: "01001000 01100101 01101100 01101100 01101111 00100000 01010000 01110011 01111001 01100011 01101000 01100101 00110100 00110010";
  position: fixed;
  inset: 0;
  color: rgba(0, 255, 102, 0.06);
  font-size: 1.15rem;
  line-height: 1.75;
  word-break: break-all;
  pointer-events: none;
  z-index: 0;
  padding: 1rem;
}

.scanline {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025),
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
  z-index: 2;
}

main {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0;
}

.terminal {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 0 24px rgba(0, 255, 102, 0.18);
  padding: 1.5rem;
}

header {
  border-bottom: 1px solid var(--green-dim);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
}

.prompt {
  color: var(--green);
}

h1,
h2,
h3 {
  color: var(--green);
  text-shadow: 0 0 8px rgba(0, 255, 102, 0.55);
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 6vw, 4rem);
}