.gas-category-section {
  max-width: 1170px;
  margin: 60px auto;
  text-align: center;
  padding: 0 15px;
}

.gas-category-section h2 {
  font-size: 28px;
  font-weight: 700;
  color: #2b2d42;
  margin-bottom: 40px;
}

.gas-category-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.gas-card {
  flex: 1 1 calc(25% - 30px);
  border-radius: 16px;
  padding: 25px 20px;
  text-align: center;
  background: linear-gradient(135deg, #f9fafb, #eef1f5);
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
  color: #2b2d42;
  position: relative;
  overflow: hidden;
}

.gas-card::before {
  display: none;
}

.gas-card > * {
  position: relative;
  z-index: 1;
}

.gas-card:nth-child(1) { animation-delay: 0.1s; }
.gas-card:nth-child(2) { animation-delay: 0.2s; }
.gas-card:nth-child(3) { animation-delay: 0.3s; }
.gas-card:nth-child(4) { animation-delay: 0.4s; }
.gas-card:nth-child(5) { animation-delay: 0.5s; }
.gas-card:nth-child(6) { animation-delay: 0.6s; }
.gas-card:nth-child(7) { animation-delay: 0.7s; }
.gas-card:nth-child(8) { animation-delay: 0.8s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gas-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.gas-card img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 15px;
  background: #fff;
  border-radius: 50%;
  padding: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.08);
}

.gas-card .title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.gas-card .text {
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.4;
}

.gas-card a {
  display: inline-block;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  background-color: #2b2d42;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.2s ease;
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

.gas-card a:hover {
  color: #fff;
  background-color: #1f2333;
  transform: translateY(-2px);
}

@media (max-width: 992px) {
  .gas-card {
    flex: 1 1 calc(50% - 30px);
  }
}

@media (max-width: 576px) {
  .gas-card {
    flex: 1 1 100%;
  }
}