:root {
  --bg: #000;
  --term: #00ff41;
  --term-dim: #008822;
  --error: #ff003c;
  --warn: #ffcc00;
  --fg: #c0ffc0;
  --muted: #5a8a5a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: var(--term); text-decoration: none; }
strong { color: var(--warn); font-weight: 700; }
em { color: var(--error); font-style: normal; }

.scanlines {
  position: fixed; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 255, 65, 0.04) 2px, rgba(0, 255, 65, 0.04) 4px);
  pointer-events: none;
  z-index: 100;
}

.terminal-bar {
  display: flex; align-items: center; gap: 0.5rem;
  background: #001a00;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--term);
  font-size: 0.75rem;
  flex-wrap: wrap;
}
.prompt { color: var(--term); font-weight: 700; }
.cursor {
  display: inline-block; width: 0.5em; height: 1em;
  background: var(--term);
  animation: blink 1s steps(2) infinite;
  vertical-align: text-bottom;
}
@keyframes blink { 0%,49% { opacity: 1; } 50%,100% { opacity: 0; } }
.status { margin-left: auto; color: var(--warn); }

.boot {
  padding: 3rem 1.5rem;
  max-width: 880px;
  margin: 0 auto;
}
.ascii {
  color: var(--term);
  font-size: 0.75rem;
  line-height: 1;
  margin-bottom: 1.5rem;
  white-space: pre;
  overflow-x: auto;
}
@media (max-width: 600px) { .ascii { font-size: 0.55rem; } }

.output {
  font-family: 'VT323', 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  color: var(--fg);
  margin: 0.75rem 0;
}
.output.dim { color: var(--muted); }

.glitch {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 1.5rem 0;
  color: var(--term);
  position: relative;
  text-shadow:
    2px 0 var(--error),
    -2px 0 #0ff;
}
.glitch-line { display: block; }

.term-btn, .term-btn-big {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  border: 2px solid var(--term);
  color: var(--term);
  background: transparent;
  padding: 0.875rem 1.5rem;
  margin: 1rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  transition: all 0.15s;
}
.term-btn:hover, .term-btn-big:hover {
  background: var(--term);
  color: var(--bg);
  box-shadow: 0 0 24px rgba(0, 255, 65, 0.6);
}
.term-btn-big {
  padding: 1.25rem 2.5rem;
  font-size: 1rem;
}

.block-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--warn);
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--term-dim);
  letter-spacing: 0.05em;
}

.data-block, .cyber-why, .manual, .cyber-faq, .cta-cyber {
  max-width: 880px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  font-size: 1rem;
}
@media (min-width: 600px) { .metrics { grid-template-columns: repeat(2, 1fr); } }
.metric {
  display: flex; gap: 0.75rem; align-items: baseline;
  padding: 0.75rem 1rem;
  background: rgba(0, 255, 65, 0.04);
  border-left: 2px solid var(--term);
}
.m-key { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.05em; }
.m-eq { color: var(--term); }
.m-val {
  color: var(--warn);
  font-weight: 700;
  font-size: 1.4rem;
  margin-left: auto;
}

.cyber-why-grid {
  display: grid; gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .cyber-why-grid { grid-template-columns: repeat(3, 1fr); } }
.cyber-card {
  padding: 1.5rem;
  background: rgba(0, 255, 65, 0.03);
  border: 1px solid var(--term-dim);
}
.cyber-card-h {
  font-weight: 700;
  color: var(--term);
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}
.cyber-card p { color: var(--fg); font-size: 0.875rem; }

.manual {
  max-width: 720px;
}
.dropcap-cyber {
  font-family: 'VT323', monospace;
  font-size: 1.25rem;
  color: var(--fg);
  margin-bottom: 2rem;
  padding: 1rem;
  background: rgba(0, 255, 65, 0.03);
  border-left: 3px solid var(--term);
}
.manual h2 {
  color: var(--term);
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  font-weight: 700;
}
.manual h3 {
  color: var(--warn);
  font-size: 1rem;
  margin: 1.5rem 0 0.5rem;
  font-weight: 600;
}
.manual p {
  margin-bottom: 1rem;
  color: var(--fg);
  font-size: 0.9rem;
}

.cyber-faq-list { display: flex; flex-direction: column; gap: 0.75rem; }
.cyber-q {
  background: rgba(0, 255, 65, 0.03);
  border: 1px solid var(--term-dim);
  padding: 1rem 1.25rem;
}
.cyber-q summary {
  list-style: none;
  cursor: pointer;
  color: var(--term);
  font-weight: 700;
  font-size: 0.875rem;
}
.cyber-q summary::-webkit-details-marker { display: none; }
.cyber-q[open] summary { color: var(--warn); }
.cyber-q p {
  margin-top: 0.75rem;
  color: var(--fg);
  font-size: 0.85rem;
}

.cta-cyber {
  background: rgba(0, 255, 65, 0.04);
  border-top: 2px solid var(--term);
  border-bottom: 2px solid var(--term);
  margin: 2rem 0 0;
  max-width: none;
}
.cta-cyber > .block-h, .cta-cyber > * {
  max-width: 880px; margin-left: auto; margin-right: auto;
}
.glitch-big {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: clamp(2rem, 8vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 1.5rem auto;
  color: var(--term);
  text-shadow:
    3px 0 var(--error),
    -3px 0 #0ff;
}
.glitch-big .glitch-line { display: block; }
.cta-cyber > p {
  max-width: 36rem;
  margin: 1rem auto 1.5rem;
  color: var(--fg);
}

.cyber-foot {
  display: flex; flex-wrap: wrap; gap: 1rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--term-dim);
  font-size: 0.75rem;
}
.cyber-foot .dim { color: var(--muted); margin-left: auto; }