:root {
  --aurora-grain: 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' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

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(--accent) 35%, var(--accent-2)) 0, transparent 50%),
    var(--bg);
  background-attachment: fixed;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: var(--aurora-grain);
  background-repeat: repeat;
  mix-blend-mode: overlay;
  opacity: 0.6;
}

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

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

.hero {
  background:
    radial-gradient(at 15% 25%, color-mix(in srgb, var(--accent) 45%, transparent) 0, transparent 55%),
    radial-gradient(at 85% 15%, color-mix(in srgb, var(--accent-2) 42%, transparent) 0, transparent 55%),
    radial-gradient(at 55% 90%, color-mix(in srgb, var(--accent) 30%, var(--accent-2)) 0, transparent 55%);
  background-size: 200% 200%;
  animation: aurora-drift 24s ease-in-out infinite;
  border-radius: calc(var(--radius) * 1.4);
  border: 1px solid var(--line);
}

.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;
}

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

h2, h3 { font-weight: 700; letter-spacing: -0.005em; }

.card, .feature {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 92%, var(--accent-2)) 0%, var(--panel) 60%);
  background-size: 100% 200%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent-2) 18%, transparent) inset, 0 16px 40px -28px var(--bg);
  transition: transform .35s ease, box-shadow .35s ease, background-position .6s ease, border-color .35s ease;
}

.card:hover, .feature:hover {
  transform: translateY(-4px);
  background-position: 0 100%;
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 30%, transparent) inset, 0 28px 60px -30px color-mix(in srgb, var(--accent) 40%, var(--bg));
}

.feature .icon {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: calc(var(--radius) * 0.8);
  box-shadow: 0 10px 26px -14px color-mix(in srgb, var(--accent) 70%, transparent);
}

.badge {
  background: color-mix(in srgb, var(--accent-2) 16%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent-2) 40%, var(--line));
  color: var(--text);
  border-radius: 999px;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border: none;
  border-radius: 999px;
  box-shadow: 0 14px 32px -16px color-mix(in srgb, var(--accent) 75%, transparent);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.btn-primary:hover { transform: translateY(-2px); filter: saturate(1.15); box-shadow: 0 20px 44px -18px color-mix(in srgb, var(--accent-2) 70%, transparent); }

.btn-ghost {
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 35%, var(--line));
  color: var(--text);
  border-radius: 999px;
  transition: border-color .25s ease, background .25s ease;
}
.btn-ghost:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--panel)); }

.tile {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.tile:hover {
  transform: translateY(-3px) scale(1.01);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: 0 24px 50px -28px color-mix(in srgb, var(--accent-2) 60%, var(--bg));
}
.tile.noimg {
  background:
    radial-gradient(at 30% 20%, color-mix(in srgb, var(--accent) 40%, transparent) 0, transparent 60%),
    radial-gradient(at 75% 85%, color-mix(in srgb, var(--accent-2) 38%, transparent) 0, transparent 60%),
    var(--panel-2);
}
.tile .nm { color: var(--text); font-weight: 600; }
.tile .gp { color: var(--on-accent); background: linear-gradient(120deg, var(--accent), var(--accent-2)); border-radius: 999px; }

.tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  color: var(--text-2);
  transition: all .25s ease;
}
.tab.active {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border-color: transparent;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); box-shadow: 0 16px 40px -30px color-mix(in srgb, var(--accent) 50%, var(--bg)); }
.faq-q { color: var(--text); font-weight: 600; }
.faq-a { 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)); color: var(--text); }

.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 75%, transparent); backdrop-filter: blur(10px); }

.fact b { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }