/* ─── Flow Diagram ─── */
.flow-section {
  background: rgba(255, 255, 255, 0.015);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.flow-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 4rem;
  overflow-x: auto;
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}

.flow-box {
  width: 130px; height: 90px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 0.5rem;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: none;
}
.flow-box:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.flow-box .icon { font-size: 1.5rem; }

.flow-box.v { background: rgba(91, 79, 255, 0.2);   border-color: rgba(91, 79, 255, 0.4); }
.flow-box.l { background: rgba(200, 245, 60, 0.12);  border-color: rgba(200, 245, 60, 0.3); color: var(--lime); }
.flow-box.c { background: rgba(255, 92, 58, 0.12);   border-color: rgba(255, 92, 58, 0.3); }
.flow-box.s { background: rgba(58, 245, 216, 0.1);   border-color: rgba(58, 245, 216, 0.3); }
.flow-box.d { background: rgba(255, 200, 60, 0.1);   border-color: rgba(255, 200, 60, 0.3); }

.flow-arrow {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,0.15), rgba(200,245,60,0.4), rgba(255,255,255,0.15));
  position: relative;
  flex-shrink: 0;
}
.flow-arrow::after {
  content: '';
  position: absolute;
  right: -1px; top: 50%;
  transform: translateY(-50%);
  border-left: 8px solid rgba(200, 245, 60, 0.6);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.flow-label {
  font-size: 0.65rem;
  font-family: 'DM Mono', monospace;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.05em;
}