:root {
  --bg: #05070d;
  --panel: #0d1324;
  --line: #1e315c;
  --cyan: #00e7ff;
  --pink: #ff4fd8;
  --text: #eef6ff;
  --muted: #8da3c7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Courier New", monospace;
  color: var(--text);
  background:
    linear-gradient(rgba(0,231,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,231,255,.05) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px;
}

.side {
  position: fixed;
  inset: 0 auto 0 0;
  width: 92px;
  padding: 22px 12px;
  background: rgba(5,7,13,.92);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  z-index: 10;
}
.mark {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-weight: 900;
}
.side a {
  color: var(--muted);
  writing-mode: vertical-rl;
  text-decoration: none;
  text-transform: uppercase;
  font-size: .76rem;
  letter-spacing: .14em;
}

main { margin-left: 92px; }
.hero {
  min-height: 100vh;
  padding: 90px 6vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: radial-gradient(circle at 70% 25%, rgba(255,79,216,.18), transparent 35%);
}
.terminal {
  border: 1px solid var(--line);
  background: rgba(13,19,36,.84);
  padding: 16px;
  max-width: 760px;
  margin-bottom: 28px;
  box-shadow: 0 0 40px rgba(0,231,255,.08);
}
.terminal span { color: var(--cyan); margin-right: 8px; }
.terminal strong { color: var(--pink); }
h1 {
  max-width: 1180px;
  font-size: clamp(2.7rem, 6.4vw, 6.8rem);
  line-height: .96;
  margin: 0 0 28px;
  text-transform: uppercase;
}
h2 {
  font-size: clamp(2rem, 4.4vw, 4.9rem);
  line-height: 1;
  margin: 0 0 24px;
  text-transform: uppercase;
}
p { color: var(--muted); line-height: 1.75; }
.hero > p { max-width: 920px; font-size: 1.12rem; }
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 920px;
  margin-top: 38px;
}
.hero-grid div {
  border: 1px solid var(--line);
  padding: 22px;
  background: rgba(13,19,36,.72);
}
.hero-grid b { display: block; font-size: 4rem; color: var(--cyan); }
.hero-grid span { color: var(--muted); }

section { padding: 90px 6vw; }
.operations { background: rgba(13,19,36,.56); }
.title p { color: var(--pink); text-transform: uppercase; letter-spacing: .18em; }
.ops-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.ops-grid article {
  border: 1px solid var(--line);
  padding: 24px;
  min-height: 300px;
}
h3 { color: var(--cyan); }

.modules {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 44px;
}
.accordion button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  padding: 20px;
  font: 900 1rem "Courier New", monospace;
  text-transform: uppercase;
  cursor: pointer;
}
.accordion div {
  display: none;
  padding: 0 20px 20px;
  border-inline: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(13,19,36,.7);
}
.accordion div.open { display: block; }

.playbooks { background: #080b15; }
.playbook-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.playbook-list article {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(0,231,255,.08), rgba(255,79,216,.06));
}
.playbook-list span { color: var(--pink); font-weight: 900; }

.deep-content {
  max-width: 1100px;
  margin: auto;
  border-inline: 1px solid var(--line);
}
.contact {
  background: var(--cyan);
  color: #05070d;
}
.contact h2, .contact p, .contact a { color: #05070d; }
.contact a { font-weight: 900; font-size: 1.45rem; }

@media (max-width: 880px) {
  .side { position: static; width: auto; flex-direction: row; justify-content: space-between; }
  .side a { writing-mode: horizontal-tb; }
  main { margin-left: 0; }
  .hero-grid, .ops-grid, .modules, .playbook-list { grid-template-columns: 1fr; }
}