@charset "UTF-8";
*,
*::before,
*::after {
  box-sizing: border-box;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.section-challenges {
  min-height: 100vh;
  width: 100%;
  background: linear-gradient(to bottom, #0d121e, #1e2d4e);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.section-challenges .card:nth-child(1).show {
  animation: fadeInLeft 0.7s ease-out forwards;
}
.section-challenges .card:nth-child(2).show {
  animation: fadeInRight 0.7s ease-out forwards;
}

.container {
  max-width: 800px;
  margin-inline: 32px;
  flex-wrap: wrap;
  gap: 10px;
  margin: auto;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
}

.card {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 30px;
  border-radius: 12px;
  margin-bottom: 20px;
  opacity: 0;
  margin-inline: 32px;
}
.card .card-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}
.card .block-info {
  flex: 1 1 60%;
}
.card .block-info .title {
  font-size: 1rem;
  font-weight: bold;
  color: #fff;
}
.card .block-info ul {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}
.card .block-info ul li {
  margin-bottom: 10px;
  font-size: 0.75rem;
  color: RGB(156, 163, 175);
}
.card .block-info ul li::before {
  content: "•";
  color: #00d3e0;
  margin-right: 10px;
}
.card .image-block {
  flex: 1 1 35%;
}
.card .image-block img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  -o-object-fit: cover;
     object-fit: cover;
}
.card .image-block p {
  color: gray;
}

.section-solution .cards .card.show:nth-child(n) {
  animation: fadeInLeft 0.7s ease-out forwards;
}
.section-solution .cards .card.show:nth-child(2n) {
  animation: fadeInRight 0.7s ease-out forwards;
}

.cards {
  max-width: 800px;
  margin: auto;
  padding-bottom: 20px;
}
.cards .card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 5px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-inline: 32px;
  opacity: 0;
}
.cards .card .icon {
  font-size: 1.25rem;
  color: #00d3e0;
  flex-shrink: 0;
  background-color: rgba(0, 211, 224, 0.1);
  border: 2px solid #00d3e0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.cards .card h4 {
  margin: 0;
  font-weight: 600;
  font-size: 1rem;
}
.cards .card p {
  font-size: 0.75rem;
  margin-top: 8px;
  color: rgb(156, 163, 175);
}

.section-core_concept {
  width: 100%;
  background: linear-gradient(to bottom, #0d121e, #1e2d4e);
}
.section-core_concept .card.show {
  animation: fadeInUp 0.7s ease-out forwards;
}

.section-ship_management_system {
  min-height: 100vh;
  background: linear-gradient(to top, #0d121e, #1e2d4e);
}
.section-ship_management_system .card.show {
  animation: fadeInUp 0.7s ease-out forwards;
}

.section-scheduled_maintenance {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(to bottom, #0d121e, #1e2d4e);
}
.section-scheduled_maintenance .cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.section-scheduled_maintenance .card.show {
  animation: fadeInUp 0.7s ease-out forwards;
}
@media (max-width: 768px) {
  .section-scheduled_maintenance .cards {
    grid-template-columns: 1fr;
  }
}

.section-inspections {
  width: 100%;
  background: linear-gradient(to top, #0d121e, #1e2d4e);
}
.section-inspections .card:nth-child(n).show {
  animation: fadeInRight 0.7s ease-out forwards;
}

.section-training_and_testing {
  width: 100%;
  background: linear-gradient(to bottom, #0d121e, #1e2d4e);
}