:root {
  --glass: rgba(255, 255, 255, 0.6);
  --glass-line: var(--line);
}

body {
  background:
    radial-gradient(circle at 15% 10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 45%),
    radial-gradient(circle at 85% 0%, color-mix(in srgb, var(--accent-2) 9%, transparent), transparent 40%),
    linear-gradient(160deg, var(--panel-2) 0%, var(--bg) 60%);
  background-attachment: fixed;
}

.section:nth-of-type(even) {
  background:
    radial-gradient(ellipse at 70% 20%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 55%);
}

/* ---------- Header ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--accent) 10%, transparent);
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 50%),
    radial-gradient(circle at 90% 70%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 45%),
    linear-gradient(135deg, var(--panel-2), var(--bg));
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

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

.fact {
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 20px;
  box-shadow: 0 8px 30px color-mix(in srgb, var(--accent) 12%, transparent);
}
.fact b { color: var(--accent); }

/* ---------- Frosted glass panels ---------- */
.card, .feature, .faq-item, .article, .tile {
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 20px;
  box-shadow: 0 8px 30px color-mix(in srgb, var(--accent) 12%, transparent);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover, .feature:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 16px 44px color-mix(in srgb, var(--accent) 20%, transparent);
}

.feature .icon {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 16px;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 35%, transparent);
}

/* ---------- Headings ---------- */
h2 { font-weight: 700; letter-spacing: 0.01em; }
.article h2 {
  position: relative;
  padding-left: 14px;
}
.article h2::before {
  content: "";
  position: absolute;
  left: 0; top: 0.15em; bottom: 0.15em;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(var(--accent), var(--accent-2));
}

/* ---------- Buttons ---------- */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, var(--accent-2)));
  color: var(--on-accent);
  border: none;
  border-radius: 14px;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--accent) 32%, transparent);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px color-mix(in srgb, var(--accent) 42%, transparent);
}
.btn-ghost {
  background: var(--glass);
  backdrop-filter: blur(10px) saturate(1.3);
  -webkit-backdrop-filter: blur(10px) saturate(1.3);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 14px;
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Badges & tabs ---------- */
.badge {
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px;
  color: var(--accent);
}
.tab {
  background: var(--glass);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 999px;
  transition: all 0.2s ease;
}
.tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border-color: transparent;
}

/* ---------- Tiles ---------- */
.tile:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--accent) 22%, transparent);
}
.tile .gp { color: var(--accent); }
.tile.noimg {
  background: linear-gradient(150deg, var(--panel), color-mix(in srgb, var(--accent) 10%, var(--panel)));
}

/* ---------- FAQ ---------- */
.faq-item { border-radius: 16px; }
.faq-q { font-weight: 600; color: var(--text); }
.faq-item:hover { border-color: color-mix(in srgb, var(--accent) 40%, transparent); }

/* ---------- Table ---------- */
.table { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); }
.table th {
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  color: var(--text);
}