:root {
  --bg: #05070d;
  --panel: #0a0f1a;
  --line: #14304a;
  --text: #c9d6e6;
  --dim: #5f7289;
  --cyan: #00f0ff;
  --magenta: #ff2bd6;
  --green: #39ff88;
  --font: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-shadow: 0 0 8px var(--cyan); }
em { color: var(--green); font-style: normal; }

.grid-bg {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(0,240,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
}
.scanlines {
  position: fixed; inset: 0; z-index: 10; pointer-events: none;
  background: repeating-linear-gradient(transparent 0 2px, rgba(0,0,0,.18) 2px 3px);
}

.top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  max-width: 1080px; margin: 0 auto; padding: 20px 16px;
}
.brand { font-weight: 800; letter-spacing: .12em; color: var(--text); }
.brand span { color: var(--cyan); }
.top nav { display: flex; gap: 20px; }
.top nav a { color: var(--dim); font-size: 13px; }
.top nav a:hover { color: var(--cyan); }
.top nav a::before { content: "./"; color: var(--magenta); }

main, footer { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
section { padding: 56px 0; }

.hero { padding-top: 64px; }
.eyebrow { color: var(--magenta); font-size: 12px; letter-spacing: .15em; margin: 0 0 12px; }
h1 {
  margin: 0; font-size: clamp(36px, 9vw, 88px); font-weight: 800;
  letter-spacing: .04em; line-height: 1.05; color: var(--cyan);
  text-shadow: 0 0 24px rgba(0,240,255,.45);
  overflow-wrap: anywhere;
}
.tagline { font-size: clamp(16px, 2.4vw, 22px); color: var(--text); margin: 16px 0 8px; }
.lede { max-width: 62ch; color: var(--dim); }

.glitch { position: relative; }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0; opacity: 0; pointer-events: none;
}
.glitch::before { color: var(--magenta); text-shadow: none; }
.glitch::after { color: var(--green); text-shadow: none; }
.glitch:hover::before { opacity: .8; transform: translate(3px, -2px); clip-path: inset(0 0 55% 0); }
.glitch:hover::after { opacity: .8; transform: translate(-3px, 2px); clip-path: inset(50% 0 0 0); }

.term {
  margin: 28px 0; padding: 16px 18px; overflow-x: auto;
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--green);
  color: var(--green); font-family: var(--font); font-size: 14px;
}
.term .dim { color: var(--dim); }
.cursor { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  padding: 10px 18px; border: 1px solid var(--cyan); color: var(--cyan);
  font-weight: 600; transition: background .15s, box-shadow .15s, color .15s;
}
.btn:hover { background: var(--cyan); color: var(--bg); box-shadow: 0 0 20px rgba(0,240,255,.5); text-shadow: none; }
.btn.ghost { border-color: var(--line); color: var(--text); }
.btn.ghost:hover { border-color: var(--magenta); background: var(--magenta); color: var(--bg); box-shadow: 0 0 20px rgba(255,43,214,.45); }

h2 { margin: 0 0 8px; font-size: 22px; letter-spacing: .12em; color: var(--text); }
h2 span { color: var(--magenta); margin-right: 12px; }
.sub { color: var(--dim); margin: 0 0 28px; max-width: 70ch; }

.chips { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.chips li { padding: 14px 16px; background: var(--panel); border: 1px solid var(--line); color: var(--dim); font-size: 13px; }
.chips b { display: block; color: var(--magenta); font-size: 14px; margin-bottom: 2px; }

.diagram {
  margin: 0; padding: 20px; overflow-x: auto; white-space: pre;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--dim); font-family: var(--font); font-size: 13px; line-height: 1.7;
}
.diagram b { color: var(--cyan); font-weight: 600; }
.diagram .m, .diagram b.m { color: var(--magenta); }
.diagram .c { color: var(--green); }

.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card {
  position: relative; padding: 24px 22px;
  background: linear-gradient(160deg, var(--panel), #070b14);
  border: 1px solid var(--line);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card::before, .card::after {
  content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--cyan);
  transition: width .2s, height .2s;
}
.card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.card::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.card:hover { transform: translateY(-3px); border-color: var(--cyan); box-shadow: 0 0 28px rgba(0,240,255,.12); }
.card:hover::before, .card:hover::after { width: 28px; height: 28px; }
.card h3 { margin: 0; font-size: 20px; letter-spacing: .14em; color: var(--cyan); }
.card .role { margin: 2px 0 12px; color: var(--magenta); font-size: 13px; }
.card p { margin: 0 0 12px; font-size: 14px; }
.card .meta { color: var(--dim); font-size: 12px; margin: 0; }
.card .meta::before { content: "> "; color: var(--green); }
.tag {
  position: absolute; top: 14px; right: 14px; padding: 1px 8px;
  border: 1px solid var(--line); color: var(--dim); font-size: 10px; letter-spacing: .1em;
}
.card-extra { border-style: dashed; }
.card-extra h3 { color: var(--green); }

.stats {
  display: grid; gap: 1px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  background: var(--line); border: 1px solid var(--line);
  padding: 0; margin: 24px 0 56px;
}
.stats div { background: var(--panel); padding: 26px 16px; text-align: center; }
.stats b { display: block; font-size: 34px; color: var(--cyan); text-shadow: 0 0 14px rgba(0,240,255,.4); }
.stats small { font-size: 16px; }
.stats span { color: var(--dim); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }

footer { padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--dim); font-size: 12px; text-align: center; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 520px) {
  .top nav { gap: 14px; }
  .cards { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .btn { transition: none; }
}