:root {
  --bg: #07070f;
  --card: #12122a;
  --text: #eef0ff;
  --muted: #8b8ba8;
  --neon: #00ff88;
  --cyan: #00e5ff;
  --pink: #ff2bd6;
  --line: #ffffff14;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--neon); }

.bg-glow {
  pointer-events: none;
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(ellipse at 20% 10%, #00ff8818, transparent 45%),
    radial-gradient(ellipse at 80% 0%, #00e5ff14, transparent 40%),
    radial-gradient(ellipse at 50% 100%, #ff2bd612, transparent 50%);
  z-index: 0;
}

.nav, main, .foot { position: relative; z-index: 1; }

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
}
.logo {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 800;
  color: #07100c;
  background: linear-gradient(135deg, var(--neon), var(--cyan));
  box-shadow: 0 0 22px #00ff8866;
}
.nav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}
.nav nav a { color: var(--muted); font-size: 14px; }
.nav nav a:hover { color: var(--text); }

main { max-width: 1100px; margin: 0 auto; padding: 12px 20px 48px; }

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
  padding: 28px 0 40px;
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
}

.eyebrow {
  color: var(--neon);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 700;
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.grad {
  background: linear-gradient(90deg, var(--neon), var(--cyan), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36rem;
  margin: 0 0 22px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.btn-primary {
  background: linear-gradient(135deg, var(--neon), var(--cyan));
  color: #06140e !important;
  box-shadow: 0 8px 28px #00ff8844;
}
.btn-ghost {
  background: #ffffff08;
  border-color: var(--line);
  color: var(--text) !important;
}
.btn-ghost:hover { border-color: #00ff8866; }

.bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}
.bullets li {
  padding: 6px 0 6px 22px;
  position: relative;
}
.bullets li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--neon);
}

.hero-card {
  background: linear-gradient(160deg, #151532, #0d0d1c);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 20px 60px #0008;
}
.pixel-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 50% 45%, #00ff8808, transparent 55%),
    #0a0a14;
  border-radius: 14px;
  padding: 12px;
  border: 1px solid #ffffff10;
  box-shadow: inset 0 0 40px #0008;
}
.pixel-grid i {
  display: block;
  border-radius: 2px;
  background: #121228;
  aspect-ratio: 1;
  transition: background 0.2s, box-shadow 0.2s;
}
.pixel-grid i.lit {
  box-shadow: 0 0 6px currentColor;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.card-meta a { font-weight: 700; }

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 8px;
}
@media (max-width: 900px) {
  .features { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .features { grid-template-columns: 1fr; }
}
.features article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.features h3 { margin: 0 0 8px; font-size: 1.05rem; }
.features p { margin: 0; color: var(--muted); font-size: 14px; }

.foot {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.muted { color: var(--muted); }

/* simple inner pages */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}
.page h1 { font-size: 2rem; margin-bottom: 12px; }
.page p, .page li { color: var(--muted); }
.page .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin: 18px 0;
}

.center-404 {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 16px;
}
.center-404 h1 {
  font-size: 4rem;
  margin: 0;
  background: linear-gradient(90deg, var(--neon), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}