:root { --notch: 12px; }

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(0,229,255,0.10), transparent 45%),
    radial-gradient(circle at 88% 92%, rgba(255,46,99,0.10), transparent 50%),
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(42,46,69,0.18) 38px 39px),
    var(--bg);
}

.section:nth-child(even) {
  background: linear-gradient(180deg, transparent, rgba(17,19,30,0.5), transparent);
}

.site-header {
  background: rgba(8,9,15,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(0,229,255,0.15);
}

h1, h2, h3, .hero-title {
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0,229,255,0.14), transparent 60%),
    linear-gradient(160deg, var(--panel-2), var(--bg));
  border-bottom: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, var(--notch) 100%, 0 calc(100% - var(--notch)));
}

.hero-title {
  background: linear-gradient(90deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.fact {
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(var(--notch) 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%, 0 var(--notch));
  box-shadow: inset 0 0 0 1px rgba(0,229,255,0.06);
}
.fact b { color: var(--accent); text-shadow: 0 0 12px rgba(0,229,255,0.4); }

.badge {
  background: var(--panel-2);
  border: 1px solid var(--accent);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 0;
  box-shadow: 0 0 12px rgba(0,229,255,0.25);
}

.card, .feature {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  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 .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover, .feature:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(0,229,255,0.25);
  transform: translateY(-4px);
}

.feature .icon {
  color: var(--accent);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: 0 0 16px rgba(0,229,255,0.3);
}

.btn {
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  border: 1px solid var(--line);
  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(0,229,255,0.55), transparent);
  transform: skewX(-20deg);
  transition: left .5s ease;
}
.btn:hover::after { left: 130%; }

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
}
.btn-primary:hover { box-shadow: 0 0 28px rgba(0,229,255,0.7); transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-ghost:hover { background: rgba(0,229,255,0.08); }

.tabs .tab {
  border-radius: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all .2s ease;
}
.tabs .tab:hover { color: var(--text); border-color: var(--accent); }
.tabs .tab.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.5);
}

.tile {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 0;
  clip-path: polygon(var(--notch) 0, 100% 0, 100% 100%, 0 100%, 0 var(--notch));
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.tile:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(0,229,255,0.3);
  transform: translateY(-4px);
}
.tile .gp { color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.06em; }
.tile .nm { color: var(--text); font-weight: 600; }
.tile.noimg {
  background:
    radial-gradient(circle at 50% 30%, rgba(0,229,255,0.12), transparent 70%),
    linear-gradient(160deg, var(--panel-2), var(--bg));
}

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

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  clip-path: polygon(var(--notch) 0, 100% 0, 100% 100%, 0 100%, 0 var(--notch));
  transition: border-color .2s ease;
}
.faq-item:hover { border-color: var(--accent); }
.faq-q { color: var(--text); font-weight: 600; letter-spacing: 0.02em; }
.faq-a { color: var(--prose); }

.article h2 {
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: .6em;
}
.article p, .article li { color: var(--prose); }

.site-footer {
  background: linear-gradient(180deg, var(--bg), var(--panel-2));
  border-top: 1px solid var(--accent);
  box-shadow: 0 -1px 16px rgba(0,229,255,0.15);
}

a { transition: color .2s ease; }