.guides-menu {
  width: 330px;
  max-height: min(570px, calc(100vh - 100px));
  overflow-y: auto;
}

.app-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.app-guide-card {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid #218de440;
  background:
    linear-gradient(135deg, #0a2848 0%, #041225 64%),
    #06172b;
  transition: transform .3s, border-color .3s;
}

.app-guide-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(#168bf80d 1px, transparent 1px),
    linear-gradient(90deg, #168bf80d 1px, transparent 1px);
  background-size: 34px 34px;
}

.app-guide-card:hover {
  z-index: 2;
  transform: translateY(-6px);
  border-color: #43b8ff;
}

.app-guide-card img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
}

.app-guide-card:hover img {
  transform: scale(1.04);
}

.app-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, #020917 3%, #0210202e 75%);
}

.app-number {
  position: absolute;
  z-index: 2;
  top: 20px;
  left: 20px;
  padding: 5px 8px;
  border: 1px solid #68bfff66;
  color: #7ac9ff;
  font-family: var(--display);
  font-size: 14px;
}

.aircraft-code {
  position: absolute;
  top: 72px;
  right: -5px;
  left: 0;
  color: #168bf81c;
  font-family: var(--display);
  font-size: 132px;
  font-weight: 700;
  line-height: .63;
  text-align: center;
  -webkit-text-stroke: 1px #42b8ff3c;
}

.aircraft-code b {
  font-size: .68em;
}

.aircraft-code span {
  color: #43b8ff66;
  font-size: .45em;
  vertical-align: top;
}

.app-card-copy {
  position: absolute;
  z-index: 2;
  right: 27px;
  bottom: 25px;
  left: 27px;
}

.app-card-copy p {
  margin: 0 0 7px;
  color: #69bfff;
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.app-card-copy h3 {
  margin: 0 0 17px;
  color: #fff;
  font-family: var(--display);
  font-size: 34px;
  line-height: .95;
  text-transform: uppercase;
}

.app-card-copy > span {
  color: #b3c3d5;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.app-guide-card:nth-child(7) {
  grid-column: 2;
}

@media (max-width: 900px) {
  .guides-menu {
    max-height: 45vh;
  }

  .app-guide-grid {
    grid-template-columns: 1fr 1fr;
  }

  .app-guide-card:nth-child(7) {
    grid-column: auto;
  }
}

@media (max-width: 600px) {
  .app-guide-grid {
    grid-template-columns: 1fr;
  }

  .app-guide-card {
    min-height: 370px;
  }
}