.infrastructure-section { background: #142733; }
.infrastructure-intro { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr); align-items: end; gap: 9%; margin-bottom: 45px; }
.infrastructure-intro h2 { max-width: 900px; margin: 0; }
.infrastructure-intro > p { max-width: 400px; margin: 0 0 6px; color: #adbec5; font-size: 16px; }
.infrastructure-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.infrastructure-card { position: relative; min-width: 0; min-height: 300px; overflow: hidden; isolation: isolate; background: #203641; }
.infrastructure-card:first-child,
.infrastructure-card:nth-child(8) { grid-column: span 2; }
.infrastructure-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.22, 1, .36, 1), filter .8s ease; }
.infrastructure-card::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(7, 21, 30, .04) 20%, rgba(7, 21, 30, .4) 56%, rgba(7, 21, 30, .88) 100%); transition: background .4s ease; }
.infrastructure-card::after { content: ''; position: absolute; z-index: 3; left: 24px; top: 24px; width: 29px; height: 2px; background: #b2d0d6; transition: width .4s ease; }
.infrastructure-card-copy { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 25px; }
.infrastructure-card h3 { margin: 0 0 8px; color: #fff; font-size: clamp(23px, 2vw, 30px); line-height: 1.2; letter-spacing: -.045em; }
.infrastructure-card p { max-width: 440px; margin: 0; color: #d9e5e8; font-size: 13px; line-height: 1.55; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .infrastructure-card:hover img { transform: scale(1.055); filter: saturate(1.08); }
  .infrastructure-card:hover::after { width: 56px; }
}
@media (max-width: 900px) {
  .infrastructure-intro { grid-template-columns: 1fr; gap: 20px; }
  .infrastructure-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .infrastructure-card { min-height: 310px; }
}
@media (max-width: 560px) {
  .infrastructure-grid { grid-template-columns: 1fr; gap: 10px; }
  .infrastructure-card,
  .infrastructure-card:first-child,
  .infrastructure-card:nth-child(8) { grid-column: auto; min-height: 290px; }
  .infrastructure-card-copy { left: 20px; right: 20px; bottom: 22px; }
  .infrastructure-card::after { left: 20px; top: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .infrastructure-card img,
  .infrastructure-card::after { transition: none; }
}