:root {
  --glow-pink: var(--accent);
  --glow-aqua: var(--accent-2);
}

body {
  background:
    radial-gradient(at 20% 30%, color-mix(in srgb, var(--accent) 55%, transparent) 0, transparent 50%),
    radial-gradient(at 80% 20%, color-mix(in srgb, var(--accent-2) 50%, transparent) 0, transparent 50%),
    radial-gradient(at 50% 80%, color-mix(in srgb, var(--prose) 30%, var(--accent)) 0, transparent 50%),
    var(--bg);
  background-attachment: fixed;
  background-size: 160% 160%, 160% 160%, 160% 160%, auto;
  animation: auroraDrift 28s ease-in-out infinite alternate;
}

@keyframes auroraDrift {
  0%   { background-position: 0% 0%, 100% 0%, 50% 100%, center; }
  100% { background-position: 30% 20%, 70% 30%, 40% 70%, center; }
}

/* subtle grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.hero {
  position: relative;
  border-radius: var(--radius);
  background:
    radial-gradient(at 15% 20%, color-mix(in srgb, var(--accent) 40%, transparent) 0, transparent 55%),
    radial-gradient(at 85% 80%, color-mix(in srgb, var(--accent-2) 38%, transparent) 0, transparent 55%);
}

.hero-title {
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2, .hero-sub b { letter-spacing: 0.01em; font-weight: 700; }

.card, .feature, .faq-item, .tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-size: 140% 140%;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.card::before, .feature::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(130deg, color-mix(in srgb, var(--accent) 60%, transparent), transparent 45%, color-mix(in srgb, var(--accent-2) 60%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}

.card, .feature { position: relative; }

.card:hover, .feature:hover, .tile:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: 0 18px 40px -18px color-mix(in srgb, var(--accent) 45%, transparent),
              0 8px 24px -16px color-mix(in srgb, var(--accent-2) 45%, transparent);
}

.card:hover::before, .feature:hover::before { opacity: 1; }

.feature .icon {
  color: var(--on-accent);
  border-radius: calc(var(--radius) * 0.7);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 26px -12px color-mix(in srgb, var(--accent) 70%, transparent);
}

.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  color: var(--text);
}

.btn-primary {
  color: var(--on-accent);
  border: 0;
  border-radius: 999px;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px -12px color-mix(in srgb, var(--accent) 65%, transparent);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 18px 40px -14px color-mix(in srgb, var(--accent-2) 65%, transparent);
}

.btn-ghost {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  transition: border-color .25s ease, background .25s ease;
}
.btn-ghost:hover { border-color: color-mix(in srgb, var(--accent-2) 60%, var(--line)); }

.fact {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.fact b { color: var(--accent-2); }

.tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  transition: all .25s ease;
}
.tab.active {
  color: var(--on-accent);
  border-color: transparent;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
}

.tile .gp { color: var(--accent-2); }
.tile .nm { color: var(--text); font-weight: 600; }
.tile.noimg {
  background:
    radial-gradient(at 30% 25%, color-mix(in srgb, var(--accent) 30%, transparent) 0, transparent 60%),
    radial-gradient(at 75% 80%, color-mix(in srgb, var(--accent-2) 28%, transparent) 0, transparent 60%),
    var(--panel);
}

.faq-item { transition: border-color .3s ease, background .3s ease; }
.faq-item:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.faq-q { color: var(--text); font-weight: 600; }
.faq-a { color: var(--prose); }

.table { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.table th { background: color-mix(in srgb, var(--panel-2) 80%, transparent); color: var(--text); }
.table tr:hover td { background: color-mix(in srgb, var(--accent) 8%, transparent); }

a { transition: color .2s ease; }
.article a { color: var(--accent-2); text-decoration-color: color-mix(in srgb, var(--accent-2) 50%, transparent); }
.article a:hover { color: var(--accent); }

.section { position: relative; z-index: 1; }