:root {
  --brand-primary: #5c6bc0;
  --brand-accent: #ffca28;
  --brand-surface: #12141c;
  --brand-text: #f5f5f7;
  --brand-muted: #a8acb8;
  --radius: 14px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.hub-page {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--brand-primary) 35%, transparent), transparent),
    var(--brand-surface);
  color: var(--brand-text);
  line-height: 1.55;
}

.hub-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid color-mix(in srgb, var(--brand-primary) 25%, transparent);
  background: color-mix(in srgb, var(--brand-surface) 88%, black);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
}

.hub-logo img { display: block; height: 42px; width: auto; }

.hub-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.hub-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease;
}
.hub-btn:hover { transform: translateY(-1px); }
.hub-btn--ghost {
  color: var(--brand-text);
  border-color: color-mix(in srgb, var(--brand-text) 25%, transparent);
  background: transparent;
}
.hub-btn--primary {
  color: #111;
  background: linear-gradient(135deg, var(--brand-accent), color-mix(in srgb, var(--brand-primary) 55%, white));
  box-shadow: var(--shadow);
}
.hub-btn--lg { padding: 14px 26px; font-size: 1.05rem; }

.hub-main { max-width: 1080px; margin: 0 auto; padding: 28px 20px 48px; }

.hub-hero {
  padding: 36px 28px;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand-primary) 22%, var(--brand-surface)), var(--brand-surface));
  border: 1px solid color-mix(in srgb, var(--brand-primary) 35%, transparent);
  box-shadow: var(--shadow);
}
.hub-hero__eyebrow {
  margin: 0 0 8px;
  color: var(--brand-accent);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
}
.hub-hero__title { margin: 0 0 12px; font-size: clamp(1.6rem, 4vw, 2.35rem); line-height: 1.15; }
.hub-hero__lead { margin: 0 0 22px; color: var(--brand-muted); max-width: 62ch; }

.hub-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 22px 0 28px;
}
.hub-card {
  padding: 18px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--brand-surface) 80%, var(--brand-primary) 8%);
  border: 1px solid color-mix(in srgb, var(--brand-primary) 22%, transparent);
}
.hub-card h2 { margin: 0 0 8px; font-size: 1.05rem; color: var(--brand-accent); }
.hub-card p { margin: 0; color: var(--brand-muted); font-size: .95rem; }

.seo-content .container { padding: 8px 0 0; }
.seo-content h2, .seo-content h3 { color: var(--brand-accent); }
.seo-content p { color: var(--brand-muted); }

.hub-footer {
  text-align: center;
  padding: 22px;
  color: var(--brand-muted);
  font-size: .85rem;
  border-top: 1px solid color-mix(in srgb, var(--brand-primary) 18%, transparent);
}

@media (max-width: 640px) {
  .hub-header { flex-direction: column; align-items: stretch; }
  .hub-actions { justify-content: stretch; }
  .hub-btn { flex: 1; }
}