/* Bright Sparks landing page */
.bs-hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 3rem;
  background:
    radial-gradient(circle at 84% 22%, var(--amber-glow), transparent 22rem),
    radial-gradient(circle at 22% 100%, var(--accent-glow), transparent 28rem),
    linear-gradient(160deg, var(--navy-900), var(--navy-800));
}

.bs-hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.bs-hero-glow--amber {
  top: 5rem;
  right: 8%;
  width: 22rem;
  height: 22rem;
  background: radial-gradient(circle, var(--amber-glow), transparent 70%);
}

.bs-hero-glow--blue {
  bottom: 0;
  left: 15%;
  width: 28rem;
  height: 14rem;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
}

.bs-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(247, 153, 64, 0.24);
  border-radius: 9999px;
  color: var(--accent-amber);
  background: var(--amber-glow);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bs-title {
  margin: 0 0 1.25rem;
  color: var(--text-primary);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.bs-intro {
  max-width: 44rem;
  margin: 0 0 1rem;
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.7;
}

.bs-intro--secondary {
  max-width: 40rem;
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.bs-intro strong {
  color: var(--text-primary);
}

.bs-categories {
  padding: 4rem 0 6rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--surface-body);
}

.bs-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.bs-category-card {
  display: block;
  padding: 1rem;
  border: 1px solid var(--border-card);
  border-radius: 0.5rem;
  color: var(--text-primary);
  background: var(--surface-card);
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.bs-category-card:hover {
  border-color: rgba(0, 173, 216, 0.35);
  background: var(--surface-card-hover);
  transform: translateY(-2px);
}

.bs-category-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.bs-category-card span {
  color: var(--text-muted);
  font-size: 0.78rem;
}
/* Hub groups (25 Sep 2026): the formats grouped by depth, with the ladder that explains how they fit */
.bs-ladder{margin:0 0 2.75rem}
.bs-ladder-label{margin:0 0 .85rem;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}
.bs-ladder ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;counter-reset:step}
.bs-ladder li{position:relative;padding:.85rem 1rem .85rem 2.6rem;border-radius:.6rem;border:1px solid var(--border-card);background:var(--surface-card);counter-increment:step}
.bs-ladder li::before{content:counter(step);position:absolute;left:.85rem;top:50%;transform:translateY(-50%);width:1.3rem;height:1.3rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:800;background:rgba(0,173,216,.16);color:var(--accent-blue)}
.bs-ladder li b{display:block;font-size:.9rem;color:var(--text-primary)}
.bs-ladder li span{font-size:.76rem;color:var(--text-muted)}
.bs-group{margin:0 0 2.25rem}
.bs-group:last-child{margin-bottom:0}
.bs-group-title{margin:0 0 .85rem;font-size:1.05rem;font-weight:800;letter-spacing:-.01em;color:var(--text-primary)}
.bs-card-feature{border-color:rgba(0,173,216,.35);background:linear-gradient(135deg,rgba(0,173,216,.12),transparent 70%),var(--surface-card)}
.bs-card-kick{display:block;margin-bottom:.35rem;font-size:.68rem !important;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-blue) !important}
@media (max-width:720px){.bs-ladder ol{grid-template-columns:repeat(2,1fr)}}