:root { --radius: 14px; }

body {
  background:
    radial-gradient(circle at 15% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 45%),
    radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 50%),
    var(--bg);
}

.section:nth-child(even) {
  background:
    repeating-linear-gradient(180deg, transparent, transparent 2px, color-mix(in srgb, var(--line) 22%, transparent) 3px, transparent 4px);
}

/* HERO sunset gradient + perspective grid floor */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 45%, var(--accent-2)) 55%, var(--accent-2));
  border-radius: var(--radius);
}
.hero::before {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 45%;
  background:
    repeating-linear-gradient(90deg, transparent, transparent 38px, color-mix(in srgb, var(--accent-2) 80%, #fff) 39px, transparent 41px),
    repeating-linear-gradient(0deg, transparent, transparent 34px, color-mix(in srgb, var(--accent-2) 80%, #fff) 35px, transparent 37px);
  transform: perspective(320px) rotateX(62deg);
  transform-origin: bottom center;
  opacity: 0.5;
  pointer-events: none;
  mask-image: linear-gradient(180deg, transparent, #000);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, transparent, transparent 2px, color-mix(in srgb, #000 18%, transparent) 3px, transparent 4px);
  pointer-events: none;
  opacity: 0.35;
}
.hero > * { position: relative; z-index: 1; }

.hero-title {
  color: var(--on-accent);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-shadow: 0 0 8px var(--accent), 0 0 18px var(--accent-2);
}
.hero-sub { color: color-mix(in srgb, var(--on-accent) 92%, transparent); }

.fact {
  background: color-mix(in srgb, var(--panel) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--on-accent) 30%, transparent);
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
}
.fact b { color: var(--on-accent); text-shadow: 0 0 8px var(--accent-2); }

/* Headings neon */
h1, h2, h3 { letter-spacing: 0.02em; font-weight: 700; }
.article h2 {
  color: var(--text);
  text-shadow: 0 0 8px color-mix(in srgb, var(--accent) 60%, transparent);
}

/* Panels */
.card, .feature, .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover, .feature:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 10px 30px color-mix(in srgb, var(--accent) 30%, transparent);
}

.feature .icon {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--radius);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 50%, transparent);
}

/* Buttons */
.btn {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border: none;
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 50%, transparent);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 22px var(--accent-2); }
.btn-ghost {
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-2); color: var(--text); }

.badge {
  background: color-mix(in srgb, var(--accent) 18%, var(--panel));
  border: 1px solid var(--accent);
  color: var(--text);
  border-radius: 999px;
  text-shadow: 0 0 6px color-mix(in srgb, var(--accent) 60%, transparent);
}

/* Tabs */
.tab {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
  transition: all .2s ease;
}
.tab.active, .tab:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border-color: transparent;
}

/* Tiles */
.tile {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.tile:hover {
  transform: translateY(-3px) scale(1.01);
  border-color: var(--accent);
  box-shadow: 0 8px 26px color-mix(in srgb, var(--accent-2) 35%, transparent);
}
.tile .gp { color: var(--accent-2); }
.tile .nm { color: var(--text); }
.tile.noimg {
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
}
.tile.noimg .nm {
  text-shadow: 0 0 10px color-mix(in srgb, var(--accent) 60%, transparent);
}

/* FAQ */
.faq-item { background: var(--panel-2); }
.faq-item:hover { border-color: var(--accent-2); }
.faq-q { color: var(--text); font-weight: 600; }
.faq-a { color: var(--prose); }

/* Table */
.table { border-radius: var(--radius); overflow: hidden; }
.table th {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
}
.table td { border-bottom: 1px solid var(--line); color: var(--prose); }

.site-header {
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

a { color: var(--accent-2); }
a:hover { color: var(--accent); }

.article p, .article li { color: var(--prose); }