/* CCTV pilot: domain-specific system diagram. */

.cctv-architecture {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(5, 5, 5, 0.18);
  border-bottom: 1px solid rgba(5, 5, 5, 0.18);
  list-style: none;
}

.cctv-architecture li {
  position: relative;
  min-height: 270px;
  padding: 30px clamp(22px, 2.5vw, 34px) 32px;
  border-left: 1px solid rgba(5, 5, 5, 0.1);
}

.cctv-architecture li:first-child {
  border-left: 0;
}

.cctv-architecture li:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -5px;
  width: 9px;
  height: 9px;
  border-top: 1px solid #e14a2a;
  border-right: 1px solid #e14a2a;
  background: #fff;
  transform: translateY(-50%) rotate(45deg);
}

.cctv-architecture__step {
  display: block;
  margin-bottom: 34px;
  color: #8b949a;
  font-size: 0.72rem;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.cctv-architecture img {
  display: block;
  width: 46px;
  height: 46px;
  margin-bottom: 24px;
  object-fit: contain;
}

.cctv-architecture h3 {
  margin: 0;
  font-size: clamp(1.16rem, 1.6vw, 1.4rem);
  line-height: 1.35;
}

.cctv-architecture p {
  margin: 12px 0 0;
  color: #596168;
  font-size: 0.92rem;
  line-height: 1.68;
  word-break: keep-all;
}

.feature {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

@media (max-width: 980px) {
  .cctv-architecture {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cctv-architecture li:nth-child(3) {
    border-left: 0;
  }

  .cctv-architecture li:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(5, 5, 5, 0.1);
  }

  .cctv-architecture li:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 620px) {
  .cctv-architecture {
    grid-template-columns: 1fr;
  }

  .cctv-architecture li {
    min-height: 0;
    padding: 26px 2px 28px;
    border-bottom: 1px solid rgba(5, 5, 5, 0.1);
    border-left: 0;
  }

  .cctv-architecture li:last-child {
    border-bottom: 0;
  }

  .cctv-architecture li::after {
    display: none;
  }

  .cctv-architecture__step {
    margin-bottom: 22px;
  }
}