#lv-rcf-rpm-calculator {
  font-family: var(--lv-font);
  color: var(--lv-navy);
  line-height: 1.5;
}

#lv-rcf-rpm-calculator *,
#lv-rcf-rpm-calculator *::before,
#lv-rcf-rpm-calculator *::after {
  box-sizing: border-box;
}

#lv-rcf-rpm-calculator h1,
#lv-rcf-rpm-calculator h2,
#lv-rcf-rpm-calculator h3,
#lv-rcf-rpm-calculator h4 {
  color: var(--lv-navy);
  letter-spacing: -0.02em;
}

#lv-rcf-rpm-calculator p {
  color: var(--lv-muted);
}

#lv-rcf-rpm-calculator .lv-section > h2 {
  position: relative;
  margin: 0 0 var(--lv-space-4);
  padding-left: 14px;
  color: var(--lv-navy);
  font-size: var(--lv-text-xl);
  line-height: 1.25;
}

#lv-rcf-rpm-calculator .lv-section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 4px;
  border-radius: 999px;
  background: var(--lv-blue, #2563eb);
}

#lv-rcf-rpm-calculator .lv-kicker {
  margin-bottom: var(--lv-space-2);
  color: var(--lv-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#lv-rcf-rpm-calculator .lv-calc-header {
  text-align: center;
  margin: 34px auto 30px;
  padding: 0 12px;
}

#lv-rcf-rpm-calculator .lv-calc-header h1 {
  font-size: 38px;
  line-height: 1.15;
  margin-bottom: 10px;
}

#lv-rcf-rpm-calculator .lv-calc-header p {
  max-width: 900px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.7;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-divider + p {
  margin-top: 18px;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 540px;
  margin: 20px auto 0;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-divider-line {
  height: 1px;
  flex: 1;
  background: rgba(45, 108, 223, 0.28);
}

#lv-rcf-rpm-calculator .lv-rcf-hero-divider-line:last-child {
  background: rgba(45, 108, 223, 0.28);
}

#lv-rcf-rpm-calculator .lv-rcf-hero-divider-icon {
  width: 62px;
  height: 62px;
  overflow: visible;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-housing {
  fill: #ffffff;
  stroke: var(--lv-blue);
  stroke-width: 2;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-rotor-ring {
  fill: none;
  stroke: var(--lv-blue);
  stroke-width: 2;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-hub {
  fill: #ffffff;
  stroke: var(--lv-brand-dark);
  stroke-width: 2;
}

#lv-rcf-rpm-calculator .lv-rcf-hero-tube {
  fill: #ffffff;
  stroke: var(--lv-blue);
  stroke-width: 1.8;
}

#lv-rcf-rpm-calculator .lv-rcf-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 10px;
}

#lv-rcf-rpm-calculator .lv-field-error {
  min-height: 18px;
  margin-top: 6px;
  color: var(--lv-red-text);
  font-size: 13px;
  line-height: 1.35;
}

#lv-rcf-rpm-calculator .lv-rcf-primary-result {
  margin: 12px 0 16px;
  padding: 18px;
  border-radius: 16px;
  background: var(--lv-blue-soft);
  border: 1px solid rgba(45, 108, 223, 0.24);
}

#lv-rcf-rpm-calculator .lv-rcf-primary-label {
  color: var(--lv-muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#lv-rcf-rpm-calculator .lv-rcf-primary-value {
  margin-top: 6px;
  color: var(--lv-navy);
  font-size: 30px;
  line-height: 1.15;
  font-weight: 800;
  overflow-wrap: anywhere;
}

#lv-rcf-rpm-calculator .lv-rcf-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

#lv-rcf-rpm-calculator .lv-rcf-metric-card {
  padding: 14px;
  border: 1px solid var(--lv-border);
  border-radius: 14px;
  background: #ffffff;
}

#lv-rcf-rpm-calculator .lv-rcf-metric-label {
  color: var(--lv-muted);
  font-size: 13px;
  line-height: 1.4;
}

#lv-rcf-rpm-calculator .lv-rcf-metric-value {
  margin-top: 6px;
  color: var(--lv-navy);
  font-size: 18px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

#lv-rcf-rpm-calculator .lv-export-card {
  margin-top: 20px;
}

#lv-rcf-rpm-calculator .lv-export-row {
  align-items: flex-start;
}

#lv-rcf-rpm-calculator .lv-workflow-grid {
  grid-template-columns: repeat(4, 1fr);
}

#lv-rcf-rpm-calculator .lv-equation {
  max-width: 100%;
  overflow-wrap: anywhere;
}

#lv-rcf-rpm-calculator .lv-rcf-meta-section {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--lv-border);
}

#lv-rcf-rpm-calculator .lv-rcf-meta-section p {
  margin: 0;
  color: var(--lv-muted);
  font-size: 13px;
  line-height: 1.7;
}

@media (max-width: 850px) {
  #lv-rcf-rpm-calculator .lv-calc-header h1 {
    font-size: 30px;
  }

  #lv-rcf-rpm-calculator .lv-calc-header p {
    max-width: 100%;
    font-size: 16px;
  }

  #lv-rcf-rpm-calculator .lv-rcf-input-row,
  #lv-rcf-rpm-calculator .lv-rcf-result-grid,
  #lv-rcf-rpm-calculator .lv-workflow-grid {
    grid-template-columns: 1fr;
  }

  #lv-rcf-rpm-calculator .lv-rcf-primary-value {
    font-size: 26px;
  }
}