body {
  background:
    radial-gradient(circle at 12% 8%, rgba(0,229,255,0.07), transparent 45%),
    radial-gradient(circle at 88% 92%, rgba(255,46,99,0.06), transparent 50%),
    var(--bg);
}

.section:nth-of-type(even) {
  background:
    linear-gradient(180deg, transparent, rgba(0,229,255,0.02), transparent);
}

.hero {
  background:
    linear-gradient(135deg, rgba(0,229,255,0.08), transparent 40%),
    repeating-linear-gradient(45deg, rgba(42,46,69,0.18) 0 2px, transparent 2px 22px),
    var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent), transparent 30%);
  height: 2px;
  opacity: 0.7;
}

.hero-title {
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 800;
  background: linear-gradient(90deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--prose); }

h2, h3, .feature h3, .feature h4 {
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
  color: var(--text);
}

.fact {
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.fact b { color: var(--accent); text-shadow: 0 0 12px rgba(0,229,255,0.5); }

.badge {
  background: var(--panel-2);
  border: 1px solid var(--accent);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(0,229,255,0.25);
}

.card, .feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.card:hover, .feature:hover {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
  transform: translateY(-3px);
}

.feature .icon {
  color: var(--accent);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: inset 0 0 12px rgba(0,229,255,0.18);
}

.btn {
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: box-shadow .25s ease, transform .15s ease, border-color .25s ease;
}
.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.5), transparent);
  transition: left .5s ease;
}
.btn:hover::after { left: 120%; }

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border: 1px solid var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(0,229,255,0.7); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.tab {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all .2s ease;
}
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(0,229,255,0.5);
}

.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color .25s ease, box-shadow .25s ease, transform .2s ease;
}
.tile:hover {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
  transform: translateY(-3px);
}
.tile .nm { color: var(--text); font-weight: 600; }
.tile .gp { color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.04em; }
.tile.noimg {
  background:
    repeating-linear-gradient(135deg, rgba(42,46,69,0.25) 0 2px, transparent 2px 16px),
    var(--panel-2);
}

.article { color: var(--prose); }
.article a { color: var(--accent); }
.table { border: 1px solid var(--line); }
.table th {
  background: var(--panel-2);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--line);
}
.table td { border-bottom: 1px solid var(--line); }

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color .25s ease;
}
.faq-item:hover { border-color: var(--accent); }
.faq-q { color: var(--text); font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; }
.faq-q::before { content: "▸ "; color: var(--accent); }
.faq-a { color: var(--prose); }

.site-header {
  background: rgba(8,9,15,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-links a { letter-spacing: 0.03em; transition: color .2s ease; }
.nav-links a:hover { color: var(--accent); }

.site-footer { border-top: 1px solid var(--line); }