:root {
  --spectrum-teal: #1d4a4e;
  --spectrum-gold: #f7a800;
  --spectrum-ink: #14292c;
  --spectrum-muted: #607174;
  --spectrum-border: #d9dedc;
  --spectrum-bg: #f7f8f5;
  --spectrum-panel: #ffffff;
  --spectrum-good: #4e7775;
  --spectrum-best: #243b53;
}

.generator-selector,
.generator-selector *,
.generator-selector *::before,
.generator-selector *::after {
  box-sizing: border-box;
}

.generator-selector {
  font-family: "Montserrat", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: clamp(12px, 2.5vw, 30px);
  background:
    linear-gradient(180deg, rgba(29, 74, 78, 0.11), transparent 340px),
    var(--spectrum-bg);
}

.selector-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.brand-bar,
.wizard-card,
.results-card,
.lead-summary {
  background: var(--spectrum-panel);
  border: 1px solid var(--spectrum-border);
  border-radius: 8px;
  box-shadow: 0 14px 38px rgba(20, 41, 44, 0.07);
}

.brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(12px, 2vw, 18px) clamp(14px, 2.5vw, 24px);
  margin-bottom: 16px;
  border-top: 4px solid var(--spectrum-gold);
}

.tool-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.tool-tab {
  min-height: 46px;
  border: 1px solid var(--spectrum-border);
  border-radius: 4px;
  background: #fff;
  color: var(--spectrum-teal);
  cursor: pointer;
  font: inherit;
  font-weight: 850;
  padding: 10px 12px;
  text-align: center;
}

.tool-tab.is-active {
  border-color: var(--spectrum-teal);
  background: var(--spectrum-teal);
  color: #fff;
  box-shadow: 0 10px 28px rgba(29, 74, 78, 0.16);
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0;
  min-width: 0;
}

.brand-name,
.brand-tagline {
  display: block;
}

.brand-name {
  line-height: 1.1;
}

.brand-logo {
  display: block;
  width: clamp(190px, 26vw, 310px);
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.brand-tagline {
  margin-top: 2px;
  color: var(--spectrum-muted);
  font-size: 0.8rem;
  font-weight: 650;
}

.brand-bolt {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 4px;
  background: var(--spectrum-gold);
  color: var(--spectrum-teal);
  font-weight: 900;
}

.license {
  color: var(--spectrum-muted);
  font-size: 0.88rem;
  text-align: right;
  line-height: 1.35;
  white-space: nowrap;
}

.license strong,
.license span {
  display: block;
}

.license strong {
  color: var(--spectrum-teal);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.wizard-card {
  padding: clamp(22px, 4vw, 44px);
  border-top: 5px solid var(--spectrum-teal);
}

.calculator-card {
  padding: clamp(20px, 4vw, 36px);
  background: var(--spectrum-panel);
  border: 1px solid var(--spectrum-border);
  border-top: 5px solid var(--spectrum-teal);
  border-radius: 8px;
  box-shadow: 0 14px 38px rgba(20, 41, 44, 0.07);
}

.calculator-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.calculator-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.05;
  margin-bottom: 0;
}

.subtool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.subtool-list span {
  border: 1px solid var(--spectrum-border);
  border-radius: 999px;
  padding: 6px 9px;
  background: #fff;
  color: var(--spectrum-muted);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.result-chip {
  min-width: 180px;
  border-radius: 4px;
  padding: 12px 14px;
  background: #eef5f4;
  color: var(--spectrum-teal);
  font-weight: 900;
  text-align: center;
}

.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 16px;
  align-items: start;
}

.suite-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.suite-wide {
  grid-column: 1 / -1;
}

.input-panel,
.output-panel {
  border: 1px solid var(--spectrum-border);
  border-radius: 8px;
  padding: clamp(16px, 3vw, 22px);
  background: #fff;
}

.input-panel h2,
.output-panel h2 {
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.full-panel,
.output-panel-wide {
  margin-bottom: 16px;
}

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

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  margin: 4px 0 14px;
  padding: 12px 14px;
  border: 1px solid var(--spectrum-border);
  border-radius: 4px;
}

.switch-row input {
  width: 22px;
  min-height: 22px;
  accent-color: var(--spectrum-teal);
}

.big-output {
  margin-bottom: 10px;
  color: var(--spectrum-teal);
  font-size: clamp(1.45rem, 4vw, 2.4rem);
  font-weight: 950;
  line-height: 1.08;
}

.calc-breakdown {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
}

.calc-breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-top: 8px;
  border-top: 1px solid var(--spectrum-border);
}

.calc-breakdown dt {
  color: var(--spectrum-muted);
  font-weight: 700;
}

.calc-breakdown dd {
  margin: 0;
  font-weight: 850;
  text-align: right;
}

.row-builder-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.compact-button {
  min-height: 42px;
  min-width: 0;
  padding: 9px 12px;
}

.pull-row-list {
  display: grid;
  gap: 10px;
}

.pull-row {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr 44px;
  gap: 10px;
  align-items: end;
}

.pull-row .field-row {
  margin-bottom: 0;
}

.icon-button {
  min-width: 44px;
  width: 44px;
  min-height: 52px;
  padding: 0;
  font-size: 1.3rem;
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.dimension-grid div {
  display: grid;
  gap: 4px;
  padding: 14px;
  border-radius: 4px;
  background: #eef5f4;
}

.dimension-grid span {
  color: var(--spectrum-muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.dimension-grid strong {
  color: var(--spectrum-teal);
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  line-height: 1;
}

.mini-result {
  margin-top: 14px;
}

.table-wrap {
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--spectrum-border);
  border-radius: 8px;
}

.suite-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.suite-table th,
.suite-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--spectrum-border);
  text-align: left;
  white-space: nowrap;
}

.suite-table th {
  position: sticky;
  top: 0;
  background: #eef5f4;
  color: var(--spectrum-teal);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  z-index: 1;
}

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

.bar-chart {
  display: grid;
  gap: 8px;
}

.bar-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 64px;
  gap: 10px;
  align-items: center;
  font-size: 0.9rem;
}

.bar-row span {
  color: var(--spectrum-muted);
  font-weight: 800;
}

.bar-row div {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #e5eeed;
}

.bar-row i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--spectrum-gold);
}

.bar-row strong {
  color: var(--spectrum-teal);
  text-align: right;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--spectrum-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.progress-track {
  height: 10px;
  background: #e5eeed;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: clamp(28px, 6vw, 48px);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--spectrum-gold);
  transition: width 220ms ease;
}

.question-panel {
  max-width: 800px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--spectrum-teal);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.generator-selector h1,
.generator-selector h2,
.generator-selector h3,
.generator-selector p {
  margin-top: 0;
}

.question-title {
  font-size: clamp(1.7rem, 6vw, 3rem);
  line-height: 1.08;
  letter-spacing: 0;
  margin-bottom: 12px;
}

.helper {
  color: var(--spectrum-muted);
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 22px;
}

.choice-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .choice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.choice-button,
.yes-no-button,
.nav-button,
.secondary-button {
  min-height: 52px;
  border-radius: 4px;
  border: 1px solid var(--spectrum-border);
  background: #fff;
  color: var(--spectrum-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  text-align: left;
  padding: 14px 16px;
  overflow-wrap: anywhere;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease, background 180ms ease;
}

.choice-button:hover,
.yes-no-button:hover,
.choice-button.is-selected,
.yes-no-button.is-selected {
  border-color: var(--spectrum-teal);
  box-shadow: 0 0 0 4px rgba(29, 74, 78, 0.1);
  transform: translateY(-1px);
}

.yes-no-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field-row {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

label {
  font-size: 0.9rem;
  font-weight: 750;
}

input,
select {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--spectrum-border);
  border-radius: 4px;
  padding: 12px 14px;
  font: inherit;
  color: var(--spectrum-ink);
  background: #fff;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--spectrum-teal);
  box-shadow: 0 0 0 4px rgba(29, 74, 78, 0.1);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.contact-grid .field-row {
  grid-column: span 3;
  margin-bottom: 0;
}

.contact-grid .full {
  grid-column: 1 / -1;
}

.contact-grid .twoThirds {
  grid-column: span 4;
}

.contact-grid .oneThird {
  grid-column: span 2;
}

.nav-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
}

.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  text-align: center;
  border-color: var(--spectrum-gold);
  background: var(--spectrum-gold);
  color: var(--spectrum-teal);
  font-weight: 900;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  text-align: center;
  color: var(--spectrum-teal);
  background: #fff;
}

.nav-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.notice {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  color: #7a4011;
  background: #fff4df;
  border: 1px solid #f6d8a6;
  font-size: 0.92rem;
}

.notice.is-visible {
  display: block;
}

.results-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.results-title {
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.02;
  margin-bottom: 8px;
}

.results-subtitle {
  color: var(--spectrum-muted);
  line-height: 1.5;
  max-width: 760px;
}

.lead-summary {
  padding: 14px 16px;
  min-width: 230px;
}

.lead-summary strong {
  display: block;
  color: var(--spectrum-teal);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.results-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  overflow: hidden;
}

.results-card.is-featured {
  border-color: var(--spectrum-gold);
  box-shadow: 0 18px 56px rgba(247, 168, 0, 0.22);
}

.tier-ribbon {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(29, 74, 78, 0.1);
  color: var(--spectrum-teal);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.is-featured .tier-ribbon {
  background: var(--spectrum-gold);
  color: var(--spectrum-teal);
}

.tier-heading {
  margin-bottom: 6px;
  font-size: 1.35rem;
  line-height: 1.15;
}

.tier-name {
  color: var(--spectrum-muted);
  font-weight: 750;
}

.generator-line {
  display: grid;
  gap: 4px;
  padding: 14px;
  border-radius: 4px;
  background: #eef5f4;
}

.generator-line .kw {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--spectrum-teal);
}

.price {
  font-size: 1.65rem;
  font-weight: 900;
}

.small-muted,
.fuel-note,
.shield-note,
.disclaimer {
  color: var(--spectrum-muted);
  line-height: 1.45;
}

.covered-list {
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.covered-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px;
  align-items: start;
}

.covered-list li::before {
  content: "\2713";
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--spectrum-teal);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 900;
}

.line-items {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--spectrum-border);
  font-size: 0.92rem;
}

.line-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.line-item span:last-child {
  font-weight: 800;
  white-space: nowrap;
}

.disclaimer {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--spectrum-border);
  background: #fff;
  font-size: 0.94rem;
}

.is-hidden {
  display: none;
}

@media (max-width: 900px) {
  .results-header,
  .results-grid,
  .calculator-grid,
  .suite-grid {
    grid-template-columns: 1fr;
  }

  .lead-summary {
    min-width: 0;
  }

  .results-card {
    padding: 18px;
  }

  .calculator-header {
    display: grid;
  }

  .result-chip {
    min-width: 0;
  }

  .pull-row {
    grid-template-columns: repeat(3, minmax(0, 1fr)) 44px;
  }

  .suite-wide {
    grid-column: auto;
  }
}

@media (max-width: 700px) {
  .generator-selector {
    padding: 10px;
  }

  .brand-bar {
    align-items: center;
    flex-direction: column;
    text-align: center;
  }

  .license {
    text-align: center;
    white-space: normal;
  }

  .brand-mark {
    justify-content: center;
    width: 100%;
  }

  .brand-mark > span {
    display: none;
  }

  .brand-logo {
    width: min(280px, 88vw);
  }

  .wizard-card {
    padding: 20px 16px;
  }

  .yes-no-row,
  .nav-row,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid .field-row,
  .contact-grid .full,
  .contact-grid .twoThirds,
  .contact-grid .oneThird {
    grid-column: 1 / -1;
  }

  .nav-row {
    display: grid;
  }

  .nav-button,
  .secondary-button {
    width: 100%;
  }

  .tool-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .wire-count-grid,
  .dimension-grid,
  .pull-row {
    grid-template-columns: 1fr;
  }

  .icon-button {
    width: 100%;
  }

  .calc-breakdown div {
    display: grid;
  }

  .calc-breakdown dd {
    text-align: left;
  }

  .bar-row {
    grid-template-columns: 38px minmax(0, 1fr) 52px;
  }

  .suite-table {
    font-size: 0.82rem;
  }
}

@media (max-width: 420px) {
  .question-title,
  .results-title,
  .calculator-title {
    font-size: 1.65rem;
  }

  .progress-meta {
    font-size: 0.78rem;
  }

  .results-card {
    padding: 16px;
  }

  .price {
    font-size: 1.3rem;
  }
}

/* Accessibility: dark text on gold backgrounds to meet WCAG AA contrast */
.generator-selector .brand-bolt,
.generator-selector .nav-button,
.generator-selector .is-featured .tier-ribbon {
  color: var(--spectrum-ink);
}