:root {
  --rc-ink: #17324d;
  --rc-body: #334e62;
  --rc-muted: #607487;
  --rc-blue: #17648a;
  --rc-blue-soft: #edf6fa;
  --rc-green: #2e7d3f;
  --rc-green-soft: #edf7ef;
  --rc-purple: #70528f;
  --rc-purple-soft: #f5f0f8;
  --rc-gold: #9b6b13;
  --rc-gold-soft: #fff7e6;
  --rc-red: #a13f3f;
  --rc-red-soft: #fff2f2;
  --rc-border: #cbd7df;
  --rc-border-strong: #9fb3c1;
  --rc-surface: #ffffff;
  --rc-page: #f4f7f5;
  --rc-shadow: 0 10px 26px rgba(27, 52, 73, 0.08);
  --rc-radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--rc-page);
  color: var(--rc-body);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

button,
input,
select {
  font: inherit;
}

a {
  color: #155e83;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #0b4969;
}

:focus-visible {
  outline: 3px solid #e4a936;
  outline-offset: 2px;
}

.rc-line-page {
  min-width: 0;
  overflow-x: clip;
}

.rc-line-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.rc-line-hero {
  padding: 30px 0 34px;
  background: #eaf1f4;
  border-top: 5px solid var(--rc-green);
  border-bottom: 1px solid var(--rc-border);
}

.rc-breadcrumbs {
  margin: 0 0 20px;
  color: var(--rc-muted);
  font-size: 0.86rem;
}

.rc-breadcrumbs a {
  color: inherit;
}

.rc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 330px);
  gap: 38px;
  align-items: center;
}

.rc-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--rc-green);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.rc-line-hero h1 {
  max-width: 800px;
  margin: 0;
  color: var(--rc-ink);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
}

.rc-hero-summary {
  max-width: 760px;
  margin: 18px 0 0;
  color: #3e5668;
  font-size: 1.08rem;
}

.rc-quick-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.rc-quick-fact {
  min-width: 0;
  padding: 12px 0;
  border-top: 2px solid var(--rc-border-strong);
}

.rc-quick-fact span {
  display: block;
  margin-bottom: 4px;
  color: var(--rc-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.rc-quick-fact strong {
  display: block;
  color: var(--rc-ink);
  font-size: 0.96rem;
}

.rc-product-figure {
  margin: 0;
  min-width: 0;
  text-align: center;
}

.rc-product-figure img {
  display: block;
  width: 100%;
  max-height: 315px;
  margin: 0 auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.rc-product-figure figcaption {
  margin-top: 10px;
  color: var(--rc-muted);
  font-size: 0.75rem;
}

.rc-section {
  padding: 46px 0;
  border-bottom: 1px solid #dde5e9;
}

.rc-section-white {
  background: var(--rc-surface);
}

.rc-section-blue {
  background: #edf4f7;
}

.rc-section-green {
  background: #f0f6f1;
}

.rc-section-heading {
  max-width: 780px;
  margin-bottom: 24px;
}

.rc-section-heading h2 {
  margin: 0 0 8px;
  color: var(--rc-ink);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.2;
}

.rc-section-heading p {
  margin: 0;
  color: var(--rc-muted);
}

.rc-fact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.rc-fact-list li {
  padding: 18px 0;
  border-top: 3px solid var(--rc-blue);
}

.rc-fact-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--rc-blue);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.rc-tool-shell {
  border: 1px solid var(--rc-border-strong);
  border-top: 5px solid var(--rc-blue);
  border-radius: var(--rc-radius);
  background: var(--rc-surface);
  box-shadow: var(--rc-shadow);
  overflow: hidden;
}

.rc-tool-intro {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  background: var(--rc-blue-soft);
  border-bottom: 1px solid var(--rc-border);
}

.rc-tool-intro h2 {
  margin: 0 0 6px;
  color: var(--rc-ink);
  font-size: 1.65rem;
}

.rc-tool-intro p {
  max-width: 700px;
  margin: 0;
  color: var(--rc-muted);
}

.rc-tool-status {
  align-self: flex-start;
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid #acd1b3;
  border-radius: 999px;
  background: var(--rc-green-soft);
  color: #245d31;
  font-size: 0.78rem;
  font-weight: 700;
}

.rc-control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.rc-control-step {
  min-width: 0;
  margin: 0;
  padding: 22px;
  border: 0;
  border-right: 1px solid var(--rc-border);
}

.rc-control-step:last-child {
  border-right: 0;
}

.rc-control-step legend {
  display: block;
  width: 100%;
  padding: 0;
  margin-bottom: 14px;
  color: var(--rc-ink);
  font-size: 1rem;
  font-weight: 700;
}

.rc-step-number {
  display: inline-grid;
  width: 25px;
  height: 25px;
  margin-right: 7px;
  place-items: center;
  border-radius: 50%;
  background: var(--rc-blue);
  color: #fff;
  font-size: 0.76rem;
}

.rc-field {
  display: block;
  min-width: 0;
  margin-top: 12px;
}

.rc-field > span,
.rc-field-label {
  display: block;
  margin-bottom: 6px;
  color: var(--rc-ink);
  font-size: 0.8rem;
  font-weight: 700;
}

.rc-field select,
.rc-field input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid var(--rc-border-strong);
  border-radius: 5px;
  background: #fff;
  color: var(--rc-ink);
}

.rc-field select:disabled,
.rc-field input:disabled {
  background: #edf1f3;
  color: #7b8993;
}

.rc-inline-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.rc-segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--rc-border);
  border-radius: 6px;
  background: #edf1f3;
}

.rc-segmented button {
  min-width: 0;
  min-height: 38px;
  padding: 7px 9px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--rc-body);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
}

.rc-segmented button[aria-pressed="true"] {
  background: #fff;
  color: var(--rc-blue);
  box-shadow: 0 1px 4px rgba(25, 55, 76, 0.16);
}

.rc-selected-line {
  margin-top: 14px;
  padding: 11px 12px;
  border-left: 4px solid var(--rc-green);
  background: var(--rc-green-soft);
  color: #2a5b36;
  font-size: 0.83rem;
}

.rc-selected-line strong {
  color: #20492b;
}

.rc-control-help {
  margin: 9px 0 0;
  color: var(--rc-muted);
  font-size: 0.76rem;
}

.rc-backing-mode-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.rc-backing-mode-button {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.78rem;
}

.rc-backing-mode-button[aria-pressed="true"] {
  border-color: var(--rc-blue);
  background: var(--rc-blue);
  color: #fff;
}

.rc-backing-mode-status {
  color: var(--rc-blue);
  font-size: 0.76rem;
  font-weight: 700;
}

#rcBackingControls {
  padding: 1px 0;
}

#rcBackingControls.is-disabled {
  opacity: 0.52;
}

.rc-tool-action {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  border-top: 1px solid var(--rc-border);
  background: #f8fafb;
}

.rc-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #fff;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.rc-button-primary {
  background: var(--rc-green);
}

.rc-button-primary:hover {
  background: #236432;
  color: #fff;
}

.rc-button-secondary {
  border-color: var(--rc-blue);
  background: #fff;
  color: var(--rc-blue);
}

.rc-button-secondary:hover {
  background: var(--rc-blue-soft);
  color: #0d506f;
}

.rc-button-affiliate {
  background: #8a5b0a;
}

.rc-button-affiliate:hover {
  background: #6f4805;
  color: #fff;
}

.rc-button:disabled,
.rc-button[aria-disabled="true"] {
  border-color: #c8d0d5;
  background: #dce3e7;
  color: #778690;
  cursor: not-allowed;
}

.rc-results {
  border-top: 1px solid var(--rc-border);
}

.rc-results[hidden] {
  display: none;
}

.rc-result-head {
  padding: 22px;
  background: #eef7f0;
  border-bottom: 1px solid #c9dfce;
}

.rc-result-head h3 {
  margin: 0 0 5px;
  color: #225e31;
  font-size: 1.45rem;
}

.rc-result-head p {
  margin: 0;
}

.rc-result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--rc-border);
}

.rc-result-metric {
  min-width: 0;
  padding: 20px;
  border-right: 1px solid var(--rc-border);
}

.rc-result-metric:last-child {
  border-right: 0;
}

.rc-result-metric span {
  display: block;
  margin-bottom: 5px;
  color: var(--rc-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.rc-result-metric strong {
  display: block;
  color: var(--rc-ink);
  font-size: 1.42rem;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.rc-result-metric small {
  display: block;
  margin-top: 5px;
  color: var(--rc-muted);
  line-height: 1.35;
}

.rc-assessment {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 0;
}

.rc-assessment-main,
.rc-efficiency {
  min-width: 0;
  padding: 22px;
}

.rc-efficiency {
  border-left: 1px solid var(--rc-border);
  background: #fafbfc;
}

.rc-assessment h4,
.rc-efficiency h4 {
  margin: 0 0 8px;
  color: var(--rc-ink);
  font-size: 1.08rem;
}

.rc-assessment-badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 8px;
  border: 1px solid currentColor;
  border-radius: 4px;
  color: var(--rc-green);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.rc-assessment-badge.warning {
  color: var(--rc-gold);
}

.rc-assessment-badge.error {
  color: var(--rc-red);
}

.rc-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 22px;
  border-top: 1px solid var(--rc-border);
}

.rc-disclosure {
  width: 100%;
  margin: 2px 0 0;
  color: var(--rc-muted);
  font-size: 0.73rem;
}

.rc-notice {
  margin: 16px 22px 22px;
  padding: 12px 14px;
  border-left: 4px solid var(--rc-blue);
  background: var(--rc-blue-soft);
  color: #38576a;
  font-size: 0.82rem;
}

.rc-rating-warning {
  border-left-color: #ad7b00;
  background: #fff8e5;
  color: #5f4607;
  line-height: 1.5;
}

.rc-error {
  margin: 18px 22px;
  padding: 14px;
  border-left: 4px solid var(--rc-red);
  background: var(--rc-red-soft);
  color: #783434;
}

.rc-intelligence-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
}

.rc-intelligence-summary {
  padding: 22px;
  border: 1px solid var(--rc-border);
  border-top: 4px solid var(--rc-purple);
  border-radius: var(--rc-radius);
  background: var(--rc-surface);
}

.rc-intelligence-summary h3,
.rc-switch-tool h3,
.rc-recommend-tool h3 {
  margin: 0 0 8px;
  color: var(--rc-ink);
  font-size: 1.25rem;
}

.rc-percentile {
  margin: 14px 0;
  color: var(--rc-purple);
  font-size: 1.35rem;
  font-weight: 800;
}

.rc-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius);
  background: var(--rc-surface);
}

.rc-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.rc-table th,
.rc-table td {
  padding: 11px 12px;
  border-bottom: 1px solid #dde4e8;
  text-align: left;
  vertical-align: top;
}

.rc-table th {
  background: #eaf1f4;
  color: var(--rc-ink);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.rc-table tr:last-child td {
  border-bottom: 0;
}

.rc-table .rc-number {
  text-align: right;
  white-space: nowrap;
}

.rc-table-note {
  margin: 10px 0 0;
  color: var(--rc-muted);
  font-size: 0.78rem;
}

.rc-switch-tool,
.rc-recommend-tool {
  padding: 22px;
  border: 1px solid var(--rc-border);
  border-radius: var(--rc-radius);
  background: var(--rc-surface);
}

.rc-switch-grid,
.rc-recommend-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.rc-switch-result,
.rc-recommend-result {
  min-height: 84px;
  margin-top: 15px;
  padding: 14px;
  border-left: 4px solid var(--rc-purple);
  background: var(--rc-purple-soft);
}

.rc-two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.rc-comparison-column {
  padding-top: 18px;
  border-top: 4px solid var(--rc-green);
}

.rc-comparison-column:nth-child(2) {
  border-color: var(--rc-purple);
}

.rc-comparison-column h3 {
  margin: 0 0 8px;
  color: var(--rc-ink);
}

.rc-guidance-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 28px;
  padding-left: 20px;
}

.rc-guidance-list li {
  padding-left: 4px;
}

.rc-example-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.rc-example-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--rc-border);
  border-top: 4px solid var(--rc-green);
  border-radius: var(--rc-radius);
  background: var(--rc-surface);
}

.rc-example-card h3 {
  margin: 0 0 10px;
  color: var(--rc-ink);
  font-size: 1.03rem;
}

.rc-example-card dl {
  display: grid;
  grid-template-columns: minmax(90px, auto) minmax(0, 1fr);
  gap: 6px 10px;
  margin: 0 0 14px;
  font-size: 0.82rem;
}

.rc-example-card dt {
  color: var(--rc-muted);
}

.rc-example-card dd {
  margin: 0;
  color: var(--rc-ink);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.rc-diameter-group { border-top: 1px solid var(--rc-border); }
.rc-diameter-group summary { padding: 13px 0; cursor: pointer; font-weight: 700; }
.rc-diameter-group summary:focus-visible, .rc-line-offer:focus-visible { outline: 2px solid var(--rc-blue); outline-offset: 3px; }
.rc-diameter-group .rc-diameter-matches { min-width: 0; table-layout: fixed; }
.rc-diameter-group .rc-diameter-matches th:first-child { width: 70%; }
.rc-diameter-group .rc-diameter-matches td { overflow-wrap: anywhere; }
.rc-diameter-empty { color: var(--rc-muted); font-size: 14px; }
.rc-example-card { display: flex; flex-direction: column; }
.rc-example-line { margin: 0 0 16px; color: var(--rc-green); font-weight: 700; }
.rc-example-card dl.rc-plan-details { display: block; }
.rc-plan-details > div { padding: 12px 0; border-top: 1px solid var(--rc-border); }
.rc-plan-details dt { font-size: 13px; }
.rc-plan-details dd strong { display: block; margin: 3px 0 5px; font-size: 20px; }
.rc-plan-details dd span { display: block; font-size: 14px; font-weight: 400; color: var(--rc-body); line-height: 1.5; }
.rc-example-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: auto; }
.rc-line-offer { display: inline-block; padding: 5px 0; font-size: 14px; line-height: 1.5; text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.rc-result-actions .rc-line-offer { flex-basis: 100%; }

.rc-source-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rc-source-list li {
  padding: 13px 0;
  border-bottom: 1px solid #dde4e8;
}

.rc-source-list li:last-child {
  border-bottom: 0;
}

.rc-source-list small {
  display: block;
  margin-top: 3px;
  color: var(--rc-muted);
}

.rc-faq-list {
  max-width: 860px;
}

.rc-faq-list details {
  border-top: 1px solid var(--rc-border);
}

.rc-faq-list details:last-child {
  border-bottom: 1px solid var(--rc-border);
}

.rc-faq-list summary {
  padding: 15px 36px 15px 0;
  color: var(--rc-ink);
  font-weight: 700;
  cursor: pointer;
}

.rc-faq-list details p {
  max-width: 760px;
  margin: 0 0 17px;
}

.rc-internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.rc-internal-links a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 8px 11px;
  border: 1px solid var(--rc-border-strong);
  border-radius: 4px;
  background: #fff;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.rc-static-chart {
  margin-top: 20px;
}

.rc-js-only[hidden],
.rc-loading[hidden] {
  display: none !important;
}

.rc-loading {
  padding: 22px;
  color: var(--rc-muted);
}

@media (max-width: 900px) {
  .rc-control-grid,
  .rc-result-grid,
  .rc-example-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rc-control-step:nth-child(2) {
    border-right: 0;
  }

  .rc-control-step:nth-child(3) {
    grid-column: 1 / -1;
    border-top: 1px solid var(--rc-border);
    border-right: 0;
  }

  .rc-result-metric:nth-child(2) {
    border-right: 0;
  }

  .rc-result-metric:nth-child(n+3) {
    border-top: 1px solid var(--rc-border);
  }

  .rc-fact-list,
  .rc-example-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .rc-line-inner {
    width: min(100% - 22px, 1120px);
  }

  .rc-line-hero {
    padding: 22px 0 28px;
  }

  .rc-hero-grid,
  .rc-intelligence-grid,
  .rc-two-column,
  .rc-assessment {
    grid-template-columns: minmax(0, 1fr);
  }

  .rc-product-figure {
    order: -1;
  }

  .rc-product-figure img {
    max-height: 215px;
  }

  .rc-quick-facts,
  .rc-fact-list,
  .rc-guidance-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .rc-control-grid,
  .rc-result-grid,
  .rc-example-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .rc-control-step,
  .rc-control-step:nth-child(2),
  .rc-result-metric,
  .rc-result-metric:nth-child(2) {
    border-right: 0;
  }

  .rc-control-step + .rc-control-step,
  .rc-result-metric + .rc-result-metric {
    border-top: 1px solid var(--rc-border);
  }

  .rc-control-step:nth-child(3) {
    grid-column: auto;
  }

  .rc-efficiency {
    border-top: 1px solid var(--rc-border);
    border-left: 0;
  }

  .rc-tool-intro,
  .rc-tool-action {
    align-items: stretch;
    flex-direction: column;
  }

  .rc-tool-status {
    align-self: flex-start;
  }

  .rc-button {
    width: 100%;
  }

  .rc-result-actions {
    flex-direction: column;
  }

  .rc-switch-grid,
  .rc-recommend-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 380px) {
  .rc-line-inner {
    width: min(100% - 16px, 1120px);
  }

  .rc-line-hero h1 {
    font-size: 1.9rem;
  }

  .rc-section {
    padding: 34px 0;
  }

  .rc-tool-intro,
  .rc-control-step,
  .rc-tool-action,
  .rc-result-head,
  .rc-result-metric,
  .rc-assessment-main,
  .rc-efficiency,
  .rc-result-actions {
    padding-left: 15px;
    padding-right: 15px;
  }

  .rc-inline-fields {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  body {
    background: #fff;
  }

  .rc-line-hero,
  .rc-section {
    break-inside: avoid;
  }

  .rc-button,
  .rc-tool-action,
  .rc-switch-tool,
  .rc-recommend-tool {
    display: none !important;
  }
}