:root {
  --starter-ink: #18263a;
  --starter-muted: #5e7087;
  --starter-line: rgba(24, 38, 58, 0.12);
  --starter-surface: rgba(255, 255, 255, 0.95);
  --starter-surface-soft: rgba(255, 255, 255, 0.82);
  --starter-brand: #0f6abf;
  --starter-brand-2: #13a39a;
  --starter-brand-deep: #0b345f;
  --starter-accent: #f08a38;
  --starter-shadow: 0 24px 54px rgba(16, 33, 58, 0.08);
  --starter-radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--starter-ink);
  background:
    radial-gradient(circle at 0% 0%, rgba(19, 163, 154, 0.14), transparent 34%),
    radial-gradient(circle at 100% 10%, rgba(15, 106, 191, 0.14), transparent 38%),
    linear-gradient(180deg, #eef5ff 0%, #f7f9fc 42%, #f9f7f1 100%);
}

.tool-shell,
.tool-shell input,
.tool-shell select,
.tool-shell textarea,
.tool-shell button {
  font: inherit;
}

.tool-shell {
  width: min(1200px, 94vw);
  margin: 24px auto 48px;
}

.tool-shell a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
}

.tool-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 22px;
  margin-top: 16px;
  padding: 28px;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(135deg, var(--starter-brand-deep), var(--starter-brand) 56%, var(--starter-brand-2));
  box-shadow: var(--starter-shadow);
}

.tool-hero > [data-simplekit-header] {
  grid-column: 1 / -1;
}

.tool-hero .site-topbar {
  margin-bottom: 0;
}

.hero-copy,
.hero-side,
.hero-highlight,
.hero-mini-grid,
.calculator-card,
.validation-banner,
.input-card,
.form-toolbar,
.feature-grid,
.info-grid,
.formula-grid,
.comparison-summary,
.featured-results,
.assumption-chips,
.related-grid {
  display: grid;
  gap: 12px;
}

.eyebrow,
.section-kicker,
.step-kicker,
.mini-kicker,
.trust-label {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.mini-kicker {
  opacity: 0.86;
}

.section-kicker,
.step-kicker,
.trust-label {
  color: var(--starter-brand);
}

.tool-hero h1,
.panel h2 {
  margin: 0;
  font-family: "Iowan Old Style", "Baskerville", "Georgia", serif;
}

.tool-hero h1 {
  font-size: clamp(2.4rem, 4.4vw, 4.8rem);
  line-height: 1.02;
  max-width: 11ch;
}

.hero-subtitle,
.hero-proof,
.muted,
.small-copy,
.panel-header p,
.results-block-head p,
.comparison-card p,
.related-card p,
.formula-card p,
.faq-item p {
  margin: 0;
}

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 700;
  max-width: 56ch;
}

.hero-proof,
.panel-header p,
.results-block-head p,
.feature-grid p,
.info-card p,
.comparison-card p,
.related-card p,
.formula-card p,
.faq-item p,
.form-field small {
  line-height: 1.6;
}

.hero-actions,
.toolbar-actions,
.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-trust-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-trust-row span,
.hero-mini-grid div,
.hero-highlight {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(7px);
}

.hero-trust-row span,
.hero-mini-grid div {
  padding: 10px 12px;
  font-size: 0.88rem;
}

.hero-highlight {
  padding: 18px;
}

.hero-highlight strong {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1;
}

.mini-summary-label {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.82rem;
}

.panel,
.results-shell,
.results-status,
.feature-grid article,
.info-card,
.formula-card,
.comparison-card,
.related-card {
  border: 1px solid var(--starter-line);
  border-radius: var(--starter-radius);
  background: var(--starter-surface);
  box-shadow: 0 10px 30px rgba(16, 33, 58, 0.04);
}

.page-flow {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.panel,
.results-shell,
.results-status {
  padding: 16px;
}

.panel-header,
.results-block-head,
.input-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.feature-grid,
.info-grid,
.formula-grid,
.related-grid {
  margin-top: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid article,
.info-card,
.formula-card,
.comparison-card,
.related-card,
.result-card {
  padding: 16px;
}

.feature-grid strong,
.info-card h3,
.formula-card h3,
.comparison-card strong,
.related-card strong,
.result-card strong {
  display: block;
  margin-bottom: 8px;
}

.info-card h3,
.formula-card h3,
.faq-item summary {
  margin: 0;
}

.calculator-layout {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 12px;
  margin-top: 12px;
}

.guided-layout {
  grid-template-columns: 1fr;
}

.calculator-card {
  align-content: start;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--starter-line);
  background: var(--starter-surface-soft);
}

.compact-card {
  gap: 10px;
}

.compact-head {
  align-items: center;
}

.validation-banner {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(240, 138, 56, 0.28);
  background: rgba(240, 138, 56, 0.1);
}

.validation-banner strong,
.validation-banner ul {
  margin: 0;
}

.validation-banner ul {
  padding-left: 18px;
  color: var(--starter-ink);
}

.validation-banner li + li {
  margin-top: 6px;
}

.form-toolbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 8px;
}

.input-card {
  padding: 12px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--starter-line);
}

.stepper-shell,
.question-step {
  gap: 10px;
}

.wizard-viewport {
  overflow: hidden;
  border-radius: 14px;
}

.wizard-track {
  display: flex;
  gap: 0;
  align-items: start;
  transition: transform 260ms ease;
  will-change: transform;
}

.wizard-slide {
  flex: 0 0 100%;
  min-width: 100%;
  align-self: start;
}

.step-progress {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(24, 38, 58, 0.12);
  overflow: hidden;
}

.step-progress-fill {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--starter-brand), var(--starter-brand-2));
  transition: width 220ms ease;
}

.question-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: start;
}

.question-copy {
  display: grid;
  gap: 6px;
  align-content: start;
  max-width: 68ch;
}

.question-copy h3,
.results-placeholder h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.12;
}

.example-copy {
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(15, 106, 191, 0.06);
  border: 1px solid rgba(15, 106, 191, 0.12);
  color: var(--starter-ink);
}

.question-inputs,
.single-input {
  display: grid;
  gap: 8px;
}

.question-inputs {
  max-width: 100%;
}

.wizard-overview-card {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--starter-line);
  background: linear-gradient(180deg, rgba(15, 106, 191, 0.05), rgba(255, 255, 255, 0.95));
}

.wizard-overview-card strong {
  display: block;
  margin-bottom: 8px;
}

.single-input {
  align-content: start;
}

.form-field-large input,
.form-field-large .input-prefix {
  font-size: 1.1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.form-field {
  display: grid;
  gap: 4px;
}

.form-field span {
  font-weight: 700;
}

.form-field small {
  color: var(--starter-muted);
  font-size: 0.96rem;
}

.form-field input,
.form-field select,
.form-field textarea,
.input-prefix {
  width: 100%;
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 9px 11px;
  border: 1px solid var(--starter-line);
  border-radius: 12px;
  color: var(--starter-ink);
  background: #fff;
}

.form-field input:disabled {
  background: #eef3f8;
  color: #7a8ca2;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus,
.toggle-field:focus-within,
.related-card:focus,
.faq-item summary:focus {
  outline: 3px solid rgba(240, 138, 56, 0.28);
  outline-offset: 2px;
}

.input-prefix {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  border: 1px solid var(--starter-line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.input-prefix span {
  padding: 0 0 0 12px;
  color: var(--starter-muted);
  font-weight: 700;
}

.input-prefix input {
  border: 0;
}

.toggle-row {
  margin-bottom: 2px;
}

.toggle-field {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--starter-line);
  background: rgba(15, 106, 191, 0.04);
}

.toggle-field input {
  margin-top: 3px;
}

.toggle-field strong,
.toggle-field small {
  display: block;
}

.toggle-field small {
  color: var(--starter-muted);
}

.step-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 0;
}

.step-actions > span {
  display: none;
}

.step-actions .btn {
  min-height: 40px;
  padding: 8px 16px;
}

.why-card {
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(15, 106, 191, 0.12);
  background: rgba(15, 106, 191, 0.05);
}

.why-card strong,
.why-card p {
  margin: 0;
}

.why-card strong {
  display: block;
  margin-bottom: 2px;
}

.results-status {
  background: linear-gradient(135deg, rgba(15, 106, 191, 0.08), rgba(19, 163, 154, 0.08));
}

.result-grid,
.comparison-summary,
.featured-results,
.assumption-chips {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.featured-results {
  grid-template-columns: 1fr;
}

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

.result-grid-expanded {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.comparison-summary {
  grid-template-columns: 1fr;
}

.assumption-chips {
  grid-template-columns: 1fr;
  margin-top: 0;
}

.assumption-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--starter-line);
  background: rgba(15, 106, 191, 0.05);
  font-weight: 700;
  line-height: 1.3;
}

.result-card {
  border-radius: 18px;
  border: 1px solid var(--starter-line);
  background: linear-gradient(180deg, rgba(15, 106, 191, 0.05), rgba(255, 255, 255, 0.9));
}

.result-card strong {
  font-size: 1.55rem;
  line-height: 1.08;
}

.result-card-primary {
  background: linear-gradient(180deg, rgba(15, 106, 191, 0.12), rgba(19, 163, 154, 0.08));
}

.comparison-card-emphasis {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(15, 106, 191, 0.1), rgba(19, 163, 154, 0.08));
}

.comparison-card,
.related-card,
.formula-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(15, 106, 191, 0.04));
}

.comparison-card strong {
  font-size: 1.08rem;
}

.results-shell-inline {
  margin-top: 12px;
}

.panel-header details {
  width: 100%;
}

.panel-header summary {
  cursor: pointer;
  list-style: none;
}

.panel-header summary::-webkit-details-marker {
  display: none;
}

.panel-header p,
.question-copy p {
  line-height: 1.45;
}

.related-card {
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.related-card:hover,
.related-card:focus {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(16, 33, 58, 0.08);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.faq-item {
  border: 1px solid var(--starter-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  padding: 0 18px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 0 18px;
}

@media (max-width: 980px) {
  .tool-hero,
  .comparison-summary {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .info-grid,
  .formula-grid,
  .related-grid,
  .result-grid,
  .result-grid-expanded,
  .featured-results,
  .assumption-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 720px) {
  .tool-shell {
    width: min(100%, 100vw);
    margin: 12px auto 36px;
    padding: 0 12px;
  }

  .tool-hero,
  .panel,
  .results-shell,
  .results-status,
  .calculator-card,
  .input-card {
    padding: 14px;
  }

  .panel-header,
  .results-block-head,
  .input-card-head,
  .form-toolbar {
    grid-template-columns: 1fr;
    display: grid;
  }

  .form-grid,
  .feature-grid,
  .info-grid,
  .formula-grid,
  .related-grid,
  .result-grid,
  .result-grid-expanded,
  .featured-results,
  .assumption-chips {
    grid-template-columns: 1fr;
  }

  .tool-hero h1 {
    font-size: clamp(2rem, 12vw, 3rem);
  }
}