:root {
  --notch: 14px;
}

body {
  background:
    radial-gradient(900px 500px at 12% -8%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    radial-gradient(700px 460px at 100% 0%, color-mix(in srgb, var(--accent-2) 9%, transparent), transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 38px, color-mix(in srgb, var(--line) 22%, transparent) 38px 39px),
    var(--bg);
}

.section:nth-of-type(even) {
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--panel) 30%, transparent));
}

/* Headings — Orbitron caps energy */
.hero-title, h1, h2 {
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
}

.hero-title {
  background: linear-gradient(92deg, var(--text), var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  position: relative;
  padding-left: 0.7em;
}
h2::before {
  content: "";
  position: absolute;
  left: 0; top: 0.12em; bottom: 0.12em;
  width: 4px;
  background: linear-gradient(var(--accent), var(--accent-2));
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent);
}

/* HUD hero */
.hero {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 45%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  clip-path: polygon(var(--notch) 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%, 0 var(--notch));
}

/* Angular notched panels */
.card, .feature, .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  clip-path: polygon(var(--notch) 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%, 0 var(--notch));
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover, .feature:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 50%, transparent);
}

.feature .icon {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: inset 0 0 12px color-mix(in srgb, var(--accent) 25%, transparent);
}

/* Badges — danger-red HUD tags */
.badge {
  background: color-mix(in srgb, var(--accent-2) 16%, var(--panel));
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--accent-2) 55%, var(--line));
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* Buttons with cyan light-bar sweep */
.btn {
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: box-shadow .2s ease, transform .12s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 50%, transparent);
}
.btn-ghost {
  background: var(--panel-2);
  color: var(--text);
}
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, color-mix(in srgb, var(--accent) 70%, white), transparent);
  transform: skewX(-20deg);
  transition: left .5s ease;
}
.btn:hover::after { left: 130%; }
.btn:hover { transform: translateY(-2px); }

/* Tabs */
.tab {
  border-radius: 0;
  border: 1px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--panel);
  transition: all .18s ease;
}
.tab.active {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 45%, transparent);
}

/* Catalog tiles */
.tile {
  border-radius: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.tile:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 45%, transparent);
}
.tile .nm { color: var(--text); font-weight: 600; }
.tile .gp { color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }

/* Fact counters */
.fact {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.fact b { color: var(--accent); }

/* FAQ */
.faq-item { margin-bottom: 10px; }
.faq-item:hover { border-color: var(--accent); }
.faq-q { font-weight: 600; letter-spacing: 0.02em; }

/* Tables */
.table { border: 1px solid var(--line); }
.table th {
  background: var(--panel-2);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--accent);
}
.table td { border-bottom: 1px solid var(--line); }

/* Header HUD edge */
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}