/* ============================================================
   SECTION: INFRA — small model-card grid (Higgsfield "Nano
   Banana Pro" pattern) + wide cyan staking promo.
   Every rule scoped under .sec-infra.
   ============================================================ */

/* ---------- Grid ---------- */
.sec-infra .infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: var(--grid-gap);
}

/* ---------- Small tool card ---------- */
.sec-infra .infra-card {
  min-height: 120px;
  padding: 14px;
  transition: background-color var(--dur-fast) var(--ease-ui);
}
.sec-infra .infra-card:hover { background-color: var(--bg-elevated); }

.sec-infra .infra-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.sec-infra .infra-icon {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-btn);
  background-color: var(--bg-card);
  background-image: var(--card-glass-sheen);
  box-shadow: var(--inset-highlight-soft);
  color: var(--text-primary);
  transition: color var(--dur-fast) var(--ease-ui);
}
.sec-infra .infra-icon svg { width: 18px; height: 18px; }
.sec-infra .infra-card:hover .infra-icon { color: var(--accent); }

.sec-infra .infra-meta {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sec-infra .infra-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  border-radius: var(--radius-badge);
  background: var(--bg-white-5);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
}

.sec-infra .infra-name {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.sec-infra .infra-desc {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-muted);
}

/* ---------- Wide cyan promo (Higgsfield discount-banner pattern) ---------- */
.sec-infra .infra-promo {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
  min-height: 140px;
  padding: 20px 24px;
  border-radius: var(--radius-card-lg);
  background-color: var(--bg-base);
  background-image: linear-gradient(rgba(24, 220, 255, 0.03), rgba(24, 220, 255, 0.3));
  box-shadow: var(--inset-highlight);
  display: flex;
  align-items: center;
}

.sec-infra .infra-promo-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 560px;
}

.sec-infra .infra-promo-badge { transform: skewX(-10deg); }

.sec-infra .infra-promo-title {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: var(--ls-display);
  color: var(--text-primary);
}
.sec-infra .infra-boost { color: #18DCFF; } /* brief-mandated cyan */

.sec-infra .infra-promo-sub {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.sec-infra .infra-apy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
}

.sec-infra .infra-cta {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-prompt); /* 24px, white CTA per promo pattern */
  background: #fff;
  color: var(--accent-text-on);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: filter var(--dur-fast) var(--ease-ui),
              transform var(--dur-fast) var(--ease-pop);
}
.sec-infra .infra-cta:hover { filter: brightness(0.9); }
.sec-infra .infra-cta:active { transform: scale(0.97); }

/* Ghost leaf art, oversized, right side */
.sec-infra .infra-leaf {
  position: absolute;
  right: -24px;
  top: 50%;
  width: 240px;
  height: 240px;
  transform: translateY(-46%) rotate(12deg);
  color: rgba(24, 220, 255, 0.16); /* ghost stroke inside cyan art */
  pointer-events: none;
  animation: infra-leaf-drift 12s ease-in-out infinite;
}
@keyframes infra-leaf-drift {
  0%, 100% { transform: translateY(-46%) rotate(12deg); }
  50%      { transform: translateY(-52%) rotate(9deg); }
}
@media (prefers-reduced-motion: reduce) {
  .sec-infra .infra-leaf { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .sec-infra .infra-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .sec-infra .infra-grid { grid-template-columns: 1fr; }
  .sec-infra .infra-card { min-height: 0; }
  .sec-infra .infra-promo { padding: 18px 16px; }
  .sec-infra .infra-promo-title { font-size: 20px; }
  .sec-infra .infra-leaf {
    width: 180px;
    height: 180px;
    right: -60px;
    color: rgba(24, 220, 255, 0.10);
  }
}