body {
  background:
    radial-gradient(circle at 15% 10%, rgba(0,240,255,0.06), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(255,0,200,0.05), transparent 45%),
    var(--bg);
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(0,240,255,0.025) 0px,
    rgba(0,240,255,0.025) 1px,
    transparent 1px,
    transparent 3px
  );
}

.site-header {
  background: linear-gradient(180deg, var(--panel), rgba(7,5,18,0.85));
  border-bottom: 1px solid var(--line);
  box-shadow: 0 0 20px rgba(0,240,255,0.12);
  backdrop-filter: blur(6px);
}

.nav-links a:hover { color: var(--accent); }

.hero {
  background:
    radial-gradient(ellipse at top, rgba(0,240,255,0.10), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(255,0,200,0.08), transparent 55%);
  border-bottom: 1px solid var(--line);
}

.hero-title {
  letter-spacing: 0.02em;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text);
  text-shadow: 0 0 5px var(--accent), 0 0 15px var(--accent), 0 0 30px rgba(0,240,255,0.5);
}

.hero-sub { color: var(--prose); }

.fact {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 0 10px rgba(0,240,255,0.10);
}
.fact b { color: var(--accent); text-shadow: 0 0 8px rgba(0,240,255,0.5); }

.badge {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--accent);
  border-radius: 999px;
  box-shadow: 0 0 8px rgba(0,240,255,0.25);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn {
  border-radius: var(--radius);
  transition: all .25s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border: 1px solid var(--accent);
  box-shadow: 0 0 5px var(--accent), 0 0 15px rgba(0,240,255,0.55);
}
.btn-primary:hover {
  box-shadow: 0 0 8px var(--accent), 0 0 25px var(--accent), 0 0 40px rgba(0,240,255,0.5);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--accent-2);
  border: 1px solid var(--accent-2);
}
.btn-ghost:hover {
  box-shadow: 0 0 5px var(--accent-2), 0 0 18px rgba(255,0,200,0.45);
  color: var(--text);
}

.card, .feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all .3s ease;
}
.card:hover, .feature:hover {
  border-color: var(--accent);
  box-shadow: 0 0 5px var(--accent), 0 0 18px rgba(0,240,255,0.35);
  transform: translateY(-3px);
}

.feature .icon {
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  box-shadow: 0 0 12px rgba(0,240,255,0.20);
}

.tab {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-2);
  transition: all .25s ease;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 5px var(--accent), 0 0 15px rgba(0,240,255,0.5);
}

.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s ease;
}
.tile:hover {
  border-color: var(--accent-2);
  box-shadow: 0 0 6px var(--accent-2), 0 0 22px rgba(255,0,200,0.40);
  transform: translateY(-3px);
}
.tile .nm { color: var(--text); }
.tile .gp { color: var(--accent-2); }
.tile.noimg {
  background:
    radial-gradient(circle at 50% 40%, rgba(0,240,255,0.10), transparent 70%),
    var(--panel);
}
.tile.noimg .nm {
  text-shadow: 0 0 8px rgba(0,240,255,0.4);
}

.article { color: var(--prose); }
.article h2 {
  color: var(--text);
  letter-spacing: 0.01em;
  font-weight: 700;
}
.article h2::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.article a { color: var(--accent-2); }
.article a:hover { text-shadow: 0 0 8px rgba(255,0,200,0.5); }

.table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th {
  background: var(--panel-2);
  color: var(--accent);
}
.table td { border-top: 1px solid var(--line); }

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(0,240,255,0.20);
}
.faq-q { color: var(--text); font-weight: 600; }
.faq-a { color: var(--prose); }

.site-footer {
  background: linear-gradient(0deg, var(--panel), transparent);
  border-top: 1px solid var(--line);
}
.site-footer a:hover { color: var(--accent); }

.section { position: relative; z-index: 1; }