:root { --radius: 14px; }

body {
  background:
    radial-gradient(60% 50% at 15% -5%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(50% 45% at 95% 0%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 70%),
    var(--bg);
  background-attachment: fixed;
}

.site-header {
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.brand, .logo { letter-spacing: -0.01em; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(45% 60% at 25% 10%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 65%),
    radial-gradient(40% 55% at 80% 30%, color-mix(in srgb, var(--accent-2) 26%, transparent), transparent 65%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background:
    radial-gradient(35% 80% at 40% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent),
    radial-gradient(30% 70% at 70% 10%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent);
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero-title {
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, var(--text) 30%, var(--accent) 70%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--prose); }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.015em; }

.fact {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.fact b { color: var(--accent); }

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

.btn {
  border-radius: 10px;
  border: 1px solid var(--line);
  transition: transform .18s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, var(--accent-2)));
  color: var(--on-accent);
  border-color: transparent;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 60%, transparent), 0 12px 34px color-mix(in srgb, var(--accent) 55%, transparent);
}
.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 25%, transparent);
}

.card, .feature {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .2s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover, .feature:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 14px 40px color-mix(in srgb, var(--accent) 22%, transparent);
}

.feature .icon {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: 12px;
}

.tabs .tab {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
  transition: all .2s ease;
}
.tabs .tab:hover { color: var(--text); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.tabs .tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border-color: transparent;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 40%, transparent);
}

.tile {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .3s ease, border-color .3s ease;
}
.tile:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: 0 16px 40px color-mix(in srgb, var(--accent) 28%, transparent);
}
.tile .gp { color: var(--accent-2); }
.tile .nm { color: var(--text); font-weight: 600; }
.tile.noimg {
  background:
    radial-gradient(70% 90% at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent),
    linear-gradient(180deg, var(--panel-2), var(--panel));
}

.article { color: var(--prose); }
.article h2 {
  background: linear-gradient(90deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.article a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.article a:hover { color: var(--accent); }

.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);
}
.table td { border-top: 1px solid var(--line); }

.faq-item {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  box-shadow: 0 8px 26px color-mix(in srgb, var(--accent) 18%, transparent);
}
.faq-q { color: var(--text); font-weight: 600; }
.faq-a { color: var(--prose); }

.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 60%, transparent);
}

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

::selection { background: color-mix(in srgb, var(--accent) 40%, transparent); color: var(--text); }