:root{
  --radius: 4px;
}

body{
  background:
    radial-gradient(900px 500px at 12% -8%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    radial-gradient(800px 460px at 92% 0%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 55%),
    repeating-linear-gradient(90deg, color-mix(in srgb, var(--line) 22%, transparent) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, color-mix(in srgb, var(--line) 22%, transparent) 0 1px, transparent 1px 64px),
    var(--bg);
}

.section{
  background:
    radial-gradient(600px 280px at 85% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 70%);
}

/* HUD headings */
h1,h2,h3,.hero-title{
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 800;
}
.hero-title{
  background: linear-gradient(100deg, var(--text), var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 18px color-mix(in srgb, var(--accent) 30%, transparent);
}
h2{ color: var(--text); }
h2::after{
  content:"";
  display:block;
  width: 64px; height: 2px;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--accent), transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 50%, transparent);
}

/* Site chrome */
.site-header{
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 18%, transparent);
}

/* Hero */
.hero{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, var(--panel-2), var(--panel));
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 14%, transparent), 0 0 40px rgba(0,0,0,.45);
}
.fact{
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.fact b{ color: var(--accent); }

/* Angular notched panels */
.card,.feature,.faq-item{
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.card:hover,.feature:hover{
  border-color: var(--accent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-3px);
}
.feature .icon{
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Badges */
.badge{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-2) 14%, var(--panel));
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent-2) 30%, transparent);
}

/* Buttons with cyan light-bar sweep */
.btn{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease, transform .15s ease;
}
.btn::after{
  content:"";
  position:absolute;
  top:0; bottom:0; left:-30%;
  width: 30%;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 70%, transparent), transparent);
  transform: skewX(-20deg);
  transition: left .45s ease;
  pointer-events:none;
}
.btn:hover::after{ left: 130%; }
.btn-primary{
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 78%, var(--bg)));
  color: var(--on-accent);
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line));
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
}
.btn-primary:hover{ box-shadow: 0 0 26px color-mix(in srgb, var(--accent) 65%, transparent); transform: translateY(-2px); }
.btn-ghost{ background: var(--panel-2); color: var(--text); }
.btn-ghost:hover{ border-color: var(--accent-2); box-shadow: 0 0 16px color-mix(in srgb, var(--accent-2) 40%, transparent); }

/* Tabs */
.tab{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all .2s ease;
}
.tab.active,.tab:hover{
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 45%, transparent);
}

/* Catalog tiles */
.tile{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.tile:hover{
  border-color: var(--accent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-3px);
}
.tile .gp{ color: var(--accent-2); text-transform: uppercase; letter-spacing: .05em; }
.tile .nm{ color: var(--text); font-weight: 700; }
.tile.noimg{
  background:
    radial-gradient(120% 80% at 50% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
}

/* Article + table */
.article{ color: var(--prose); }
.table{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th{
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-2));
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.table td{ border-top: 1px solid var(--line); }

/* FAQ */
.faq-item:hover{ border-color: var(--accent-2); }
.faq-q{ color: var(--text); font-weight: 700; }
.faq-q::after{ color: var(--accent); }

/* Footer accent line */
.site-footer{
  border-top: 1px solid var(--line);
  box-shadow: 0 -1px 0 color-mix(in srgb, var(--accent) 18%, transparent);
}