:root {
  --shadow-soft: 0 8px 30px rgba(0,0,0,0.45);
}

body {
  background:
    radial-gradient(1100px 620px at 78% -8%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    radial-gradient(900px 540px at 10% 8%, color-mix(in srgb, var(--accent-2) 11%, transparent), transparent 62%),
    var(--bg);
}

.section {
  border-top: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
}
.section + .section { border-top: 1px solid var(--line); }

/* Headings — premium, tight, accent gradient */
.hero-title,
.article h2,
.section > .center > h2 {
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-title {
  background: linear-gradient(120deg, var(--text) 28%, color-mix(in srgb, var(--accent) 70%, var(--text)) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--text-2); }

/* Hero panel glow */
.hero {
  background:
    radial-gradient(700px 360px at 70% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%),
    var(--bg);
}

/* Elevated panels */
.card,
.feature,
.faq-item,
.fact {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover,
.feature:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 14px 40px rgba(0,0,0,0.55);
}

.feature .icon {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: calc(var(--radius) * 0.6);
}

/* Badges */
.badge {
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--line));
  color: var(--text);
  letter-spacing: 0.02em;
}

/* Primary CTA */
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border: none;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent),
              0 8px 22px color-mix(in srgb, var(--accent) 28%, transparent);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 60%, transparent),
              0 14px 34px color-mix(in srgb, var(--accent) 42%, transparent);
}
.btn-ghost {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  transition: border-color .2s ease, transform .2s ease;
}
.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

/* Tabs */
.tab {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
  transition: all .2s ease;
}
.tab.active,
.tab:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-2));
}

/* Catalog tiles */
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.tile:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: 0 16px 42px rgba(0,0,0,0.6);
}
.tile .gp { color: var(--accent-2); }
.tile .nm { color: var(--text); font-weight: 600; }
.tile.noimg {
  background:
    radial-gradient(120% 120% at 0% 0%, color-mix(in srgb, var(--accent) 18%, var(--panel)), var(--panel) 60%);
}

/* FAQ */
.faq-item { box-shadow: none; }
.faq-q { color: var(--text); font-weight: 600; }
.faq-a { color: var(--prose); }

/* Table */
.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); color: var(--prose); }

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(10px);
}

.article p, .article li { color: var(--prose); }