:root {
  --glow: 0 0 0 1px var(--line), 0 18px 50px -18px rgba(124, 107, 255, 0.55);
}

body {
  background:
    radial-gradient(60% 50% at 78% -8%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 70%),
    radial-gradient(55% 45% at 8% 4%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 72%),
    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);
}

/* Headings — Space Grotesk quirk */
.hero-title,
.article h2,
.section > .center h2,
h2 {
  letter-spacing: -0.015em;
  font-weight: 700;
}

.hero-title {
  background: linear-gradient(108deg, var(--text) 30%, var(--accent) 70%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}

.hero {
  position: relative;
  border-radius: calc(var(--radius) * 1.4);
  background:
    radial-gradient(70% 90% at 50% -20%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 60%),
    radial-gradient(50% 70% at 88% 0%, color-mix(in srgb, var(--accent-2) 24%, transparent), transparent 65%),
    var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--glow);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--accent) 12%, transparent));
  pointer-events: none;
}

.badge {
  background: color-mix(in srgb, var(--accent) 16%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  color: var(--text);
  border-radius: 999px;
}

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

/* Buttons */
.btn {
  border-radius: 12px;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2)));
  color: var(--on-accent);
  border: 1px solid color-mix(in srgb, var(--accent) 70%, var(--line));
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -10px color-mix(in srgb, var(--accent) 75%, transparent);
}
.btn-ghost {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

/* Cards & features */
.card,
.feature,
.faq-item {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover,
.feature:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 20px 44px -22px color-mix(in srgb, var(--accent) 70%, transparent);
}

.feature .icon {
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 14px;
  box-shadow: 0 8px 22px -8px color-mix(in srgb, var(--accent) 70%, transparent);
}

/* Catalogue tiles */
.tile {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  transition: transform .22s ease, box-shadow .3s ease, border-color .3s ease;
}
.tile:hover {
  transform: translateY(-3px) scale(1.01);
  border-color: var(--accent);
  box-shadow: 0 18px 40px -20px color-mix(in srgb, var(--accent-2) 70%, transparent);
}
.tile.noimg {
  display: grid;
  place-items: center;
  background:
    radial-gradient(80% 80% at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    var(--panel);
}
.tile .nm {
  color: var(--text);
  font-weight: 600;
}
.tile .gp {
  color: var(--text-2);
}

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

/* FAQ */
.faq-q {
  color: var(--text);
  font-weight: 600;
}
.faq-item:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}

/* Article */
.article {
  color: var(--prose);
}
.article h2 {
  color: var(--text);
}
.article a {
  color: var(--accent-2);
  text-decoration-color: color-mix(in srgb, var(--accent-2) 50%, transparent);
}
.table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th {
  background: var(--panel-2);
  color: var(--text);
}
.table td {
  border-top: 1px solid var(--line);
}