* ===== Web3 Grotesk — custom visual layer for «BetBoom» ===== */

body {
  background:
    radial-gradient(60% 50% at 12% -5%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    radial-gradient(55% 45% at 92% 0%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 72%),
    var(--bg);
}

.section {
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--line) 55%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--line) 55%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}

.hero {
  position: relative;
  background:
    radial-gradient(50% 70% at 50% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    linear-gradient(180deg, var(--panel-2), var(--bg));
  border-bottom: 1px solid var(--line);
}

.hero-title {
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, var(--text), var(--accent-2) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section h2, .article h2 {
  font-weight: 650;
  letter-spacing: -0.015em;
}

.section h2::after {
  content: "";
  display: block;
  width: 2.4em;
  height: 2px;
  margin-top: .5rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}

.badge {
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  color: var(--accent-2);
  border-radius: 999px;
  letter-spacing: .02em;
}

.card, .feature, .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.card:hover, .feature:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 91, 255, 0.4);
}

.feature .icon {
  color: var(--accent-2);
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 30%, var(--panel-2)), var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: calc(var(--radius) - 4px);
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 25%, transparent) inset;
}

.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  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-2) 55%, var(--line));
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(34, 211, 238, 0.35);
}

.tile .gp { color: var(--accent-2); letter-spacing: .03em; }
.tile .nm { color: var(--text); font-weight: 600; }

.tile.noimg {
  background:
    radial-gradient(80% 90% at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    var(--panel);
}

.btn {
  border-radius: calc(var(--radius) - 2px);
  letter-spacing: .01em;
  transition: transform .18s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 75%, var(--accent-2)));
  color: var(--on-accent);
  border: 1px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(99, 91, 255, 0.4), 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn-ghost {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--accent-2);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--accent-2) 55%, var(--line));
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.3);
}

.tab {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.tab.active, .tab:hover {
  color: var(--on-accent);
  background: color-mix(in srgb, var(--accent) 85%, var(--accent-2));
  border-color: transparent;
}

.fact {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.fact b { color: var(--accent-2); }

.article a, .prose 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); }

.faq-item { box-shadow: none; }
.faq-q { color: var(--text); font-weight: 600; }
.faq-q::after { color: var(--accent-2); }

.site-header {
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}