/* Operations / Stock Section */
.operations {
  padding: 5rem 0;
  background-color: var(--color-bg);
}

.operations-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem;
}

/* Flow Steps */
.ops-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 4rem;
  position: relative;
}

.ops-flow::before {
  content: '';
  position: absolute;
  top: 42px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), #03b4f0);
  z-index: 0;
}

.ops-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.ops-step-icon {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.25rem;
  border: 3px solid var(--color-white);
  box-shadow: 0 4px 15px rgba(3, 15, 55, 0.12);
  background: var(--color-white);
  transition: var(--transition);
}

.ops-step:nth-child(1) .ops-step-icon { background: linear-gradient(135deg, #e5f3fc, #c7e6f8); }
.ops-step:nth-child(2) .ops-step-icon { background: linear-gradient(135deg, #eaf7ec, #c3ecc9); }
.ops-step:nth-child(3) .ops-step-icon { background: linear-gradient(135deg, #fff4e5, #ffe2b0); }
.ops-step:nth-child(4) .ops-step-icon { background: linear-gradient(135deg, #f0edfc, #d9d0f8); }

.ops-step:hover .ops-step-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(3, 15, 55, 0.2);
}

.ops-step h4 {
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.ops-step p {
  font-size: 0.8rem;
  color: #777;
  margin-bottom: 0;
  line-height: 1.4;
}

/* Details Cards */
.ops-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.ops-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  border: 1px solid rgba(3, 15, 55, 0.06);
  box-shadow: var(--box-shadow);
}

.ops-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ops-card-header-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ops-card-header h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0;
}

.ops-check-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ops-check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: #555;
}

.ops-check-item::before {
  content: '✓';
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(3, 122, 200, 0.1);
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .ops-flow {
    grid-template-columns: 1fr 1fr;
  }

  .ops-flow::before {
    display: none;
  }

  .ops-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .ops-flow {
    grid-template-columns: 1fr;
  }
}