:root{
  --bg:#090b09;
  --ink:#0b0f0b;
  --neon:#1fff74;
  --neon-soft: rgba(31,255,116,.35);
  --neon-dim: rgba(31,255,116,.12);
  --text:#a8ffb6;
  --muted:#6ef39c;
}
*{ box-sizing:border-box }
html,body{ height:100% }
body{ margin:0; background:var(--bg); color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji';
}
.bg-scanlines{ position:fixed; inset:0; pointer-events:none; z-index:0;
  background: repeating-linear-gradient(to bottom, rgba(31,255,116,0.06), rgba(31,255,116,0.06) 1px, transparent 2px, transparent 5px);
  mix-blend-mode: lighten; opacity:.12;
}
.bg-glow{ position:fixed; inset:-20vh -20vw; pointer-events:none; z-index:0;
  background: radial-gradient(60% 40% at 70% 20%, rgba(31,255,116,.12), transparent 60%);
  filter: blur(18px);
}
.container{ width:min(1100px, 92vw); margin:0 auto; position:relative; z-index:1; }
.site-header{ position:sticky; top:0; background:linear-gradient(180deg, rgba(0,0,0,.66), rgba(0,0,0,0)); z-index:5; }
.site-header .container{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; }
.brand{ display:flex; gap:10px; align-items:center; color:var(--neon); text-decoration:none; font-weight:800; letter-spacing:.1em; }
.brand-icon{ filter: drop-shadow(0 0 6px var(--neon-soft)); }
.brand-text{ font-size:18px; }
.site-nav .nav-link{ color:var(--neon); text-decoration:none; border:1px solid var(--neon); padding:6px 10px; border-radius:10px; }
.hero{ padding: clamp(48px, 8vw, 96px) 0 8px; text-align:center; }
.title{ margin:0; color:var(--neon); font-size: clamp(28px, 5vw, 52px); text-shadow: 0 0 12px var(--neon-soft); letter-spacing:.02em; }
.subtitle{ margin:8px 0 0; opacity:.95; }
.manuals-section{ padding: 24px 0 80px; }
.manuals-grid{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: clamp(18px, 3vw, 28px); }
@media (max-width: 860px){ .manuals-grid{ grid-template-columns: 1fr; } }
.manual-card{ display:flex; flex-direction:column; gap:14px;
  background: radial-gradient(120% 140% at 0% 0%, rgba(31,255,116,.06), transparent 60%), #0f120f;
  border:2px solid var(--neon); border-radius:18px; padding:18px; text-decoration:none; color:var(--text);
  box-shadow: 0 0 26px var(--neon-soft), inset 0 0 16px var(--neon-dim);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, outline-color .2s ease;
  outline: 0px solid rgba(31,255,116,0);
}
.manual-card:hover{ transform: translateY(-2px); box-shadow: 0 0 36px var(--neon-soft), inset 0 0 18px var(--neon-dim); border-color: var(--neon); }
.manual-card:focus-visible{ outline: 2px solid var(--neon); outline-offset: 3px; }
.card-top{ display:flex; justify-content:space-between; align-items:center; border-bottom:1px solid var(--neon-soft); padding-bottom:10px; }
.card-badge{ font: 700 12px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color:var(--neon); letter-spacing:.12em; }
.card-icon{ font-size:20px; color:var(--neon); filter: drop-shadow(0 0 6px var(--neon-soft)); }
.card-body h2{ margin:4px 0 6px; color:var(--neon); font-size: clamp(18px, 2.2vw, 24px); }
.card-body p{ margin:0; color:var(--text); opacity:.95; }
.card-cta{ display:flex; justify-content:space-between; align-items:center; margin-top:6px; }
.btn-ghost{ border:1px solid var(--neon); padding:8px 12px; border-radius:10px; color:var(--neon);
  font:600 13px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; text-transform:uppercase; letter-spacing:.08em; }
.btn-sub{ color:var(--muted); font-size:12px; opacity:.9; }
.note{ margin-top:22px; padding:12px 14px; border:1px dashed var(--neon); border-radius:12px; background: rgba(31,255,116,.05); color:var(--text); font-size:13px; }
.note code{ color:var(--neon); }
.site-footer{ border-top:1px solid rgba(255,255,255,.06); padding:22px 0; }
.site-footer .container{ display:flex; gap:10px; align-items:center; justify-content:center; color:var(--muted); }
.site-footer .footer-link{ color:var(--neon); text-decoration:none; }
.dot{ opacity:.6; }