.hero-visual {
  position: relative;
  min-height: 332px;
  padding: 20px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top, rgba(37, 190, 132, 0.22), transparent 42%),
    linear-gradient(180deg, rgba(9, 20, 36, 0.9), rgba(9, 20, 36, 0.72));
  border: 1px solid var(--panel-border);
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -12% -24% auto;
  width: clamp(200px, 34vw, 340px);
  height: clamp(200px, 34vw, 340px);
  border-radius: 50%;
  background: rgba(65, 124, 255, 0.14);
  filter: blur(18px);
}

.feature-art {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  margin: 0 auto;
  object-fit: contain;
}

.portal-feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.portal-mini-card {
  display: block;
  padding: 20px;
  border-radius: 24px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.portal-mini-card:hover,
.portal-mini-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(37, 190, 132, 0.36);
}

.portal-mini-card h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.34;
}

.portal-mini-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.66;
}

@media (max-width: 1024px) {
  .portal-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-visual {
    min-height: 272px;
  }
}

@media (max-width: 767.98px) {
  .portal-feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 228px;
    padding: 16px;
  }
}