/* ============================================================
   BrainFusion V2 Features Page
   ============================================================
   "Guided Discovery" -- progressive reveal that mirrors how
   visitors discover the platform. Alternating layouts create
   visual rhythm as you scroll.
   ============================================================ */

/* ---- Feature Row (alternating layout) ---- */
.v2-feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .v2-feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .v2-feature-row--reverse .v2-feature-row-icon {
    order: 2;
  }
}

.v2-feature-row-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.v2-feature-row-icon-box {
  width: 5rem;
  height: 5rem;
  border-radius: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.v2-feature-row-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.v2-feature-row-list li {
  font-size: 0.9rem;
  color: var(--v2-text-secondary);
  padding: 0.35rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
}

.v2-feature-row-list li i {
  color: var(--v2-brand-primary);
  font-size: 0.65rem;
  flex-shrink: 0;
  margin-top: 0.3rem;
}

/* ---- Game Type Mini Cards ---- */
.v2-game-mini {
  border-radius: 0.75rem;
  border: 1px solid var(--v2-border-default);
  background: var(--v2-surface-card);
  padding: 1.25rem;
  transition:
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

/* No hover lift on non-interactive cards */

/* ---- Science Principle Cards ---- */
.v2-principle-card {
  border-radius: 0.75rem;
  border: 1px solid var(--v2-border-default);
  background: var(--v2-surface-card);
  padding: 1.5rem;
}

.v2-principle-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  white-space: nowrap;
}

/* ---- CTA Section ---- */
.v2-features-cta {
  background: linear-gradient(135deg, var(--v2-cta-gradient-start) 0%, var(--v2-cta-gradient-end) 100%);
  color: var(--v2-cta-section-text);
  position: relative;
  overflow: hidden;
}

.v2-features-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--v2-cta-orb) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

/* ---- Scroll Reveal ---- */
.v2-features-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.v2-features-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  .v2-features-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}