/* =========================================================
   Section: The Infrastructure Behind Workforce Movement
            (.infrastructure)
   ========================================================= */
.infrastructure {
  position: relative;
  background: var(--color-white);
  padding: 120px 100px;
  overflow: hidden;
}

/* Faint grid pattern background */
.infrastructure::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(208, 213, 221, .32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(208, 213, 221, .32) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: 0 0;
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 50%, #000 40%, transparent 80%);
          mask-image: radial-gradient(ellipse 65% 55% at 50% 50%, #000 40%, transparent 80%);
  pointer-events: none;
}

.infrastructure__inner {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 80px;
  align-items: center;
}

.infrastructure__intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
  max-width: 928px;
}
.infrastructure__title {
  margin: 0;
  font-family: var(--font-family-display);
  font-size: 80px;
  font-weight: var(--fw-medium);
  line-height: 1.2;
  letter-spacing: -0.06em;
  color: #1a1a1a;
  font-variation-settings: 'opsz' 32;
}
.infrastructure__title-accent { color: var(--color-secondary); }
.infrastructure__subtitle {
  margin: 0;
  font-size: 22px;
  font-weight: var(--fw-regular);
  line-height: 1.4;
  letter-spacing: -0.04em;
  color: #525252;
}

.infrastructure__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1240px;
}
.infrastructure__grid--secondary {
  grid-template-columns: repeat(3, 1fr);
  max-width: 933px;
}

.infrastructure__card {
  background: #fffbf5;
  border-radius: 10px;
  padding: 24px;
  min-height: 120px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.infrastructure__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(16, 24, 40, .08);
}
.infrastructure__card-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}
.infrastructure__card-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.infrastructure__card-title {
  margin: 0;
  font-size: var(--fs-body-md);
  font-weight: var(--fw-semibold);
  line-height: 1.55;
  color: #0a0a0a;
}
.infrastructure__card-desc {
  margin: 0;
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-regular);
  line-height: 1.55;
  color: #525252;
}

/* Responsive */
@media (max-width: 1240px) {
  .infrastructure { padding: 100px 32px; }
  .infrastructure__grid           { grid-template-columns: repeat(2, 1fr); }
  .infrastructure__grid--secondary{ grid-template-columns: repeat(3, 1fr); max-width: 100%; }
}
@media (max-width: 900px) {
  .infrastructure__title { font-size: 56px; }
  .infrastructure__subtitle { font-size: 18px; }
  .infrastructure__grid--secondary { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .infrastructure { padding: 64px 20px; }
  .infrastructure__inner { gap: 48px; }
  .infrastructure__title { font-size: 36px; letter-spacing: -0.04em; }
  .infrastructure__subtitle { font-size: 16px; }
  .infrastructure__grid,
  .infrastructure__grid--secondary { grid-template-columns: 1fr; }
}