:root {
  --color-background: #f4f7fa;
  --color-surface: #eef3f7;
  --color-surface-strong: #ffffff;
  --color-header: #f7f9fb;
  --color-panel-dark: #37474f;
  --color-panel-darker: #25283d;
  --color-border: #78909c;
  --color-border-soft: #9dabb4;
  --color-border-faint: #d3dce3;
  --color-border-strong: #37474f;
  --color-text: #25283d;
  --color-text-strong: #37474f;
  --color-text-muted: #5f727c;
  --color-text-inverse: #f7fafc;
  --color-text-inverse-muted: #d2dbe2;
  --color-highlight: #ffd966;
  --color-highlight-soft: #fff4c2;
  --color-highlight-surface: #f7f1dd;
  --color-highlight-ink: #25283d;
  --color-button: #37474f;
  --color-button-hover: #25283d;
  --color-button-text: #ffffff;
  --color-button-secondary: transparent;
  --color-button-secondary-dark-hover: #4b5b64;
  --color-focus-ring: #ffd966d9;
  --shadow-focus: 0 0 0 0.2rem var(--color-focus-ring);
  --font-sans: "Public Sans", sans-serif;
  --page-max: 78rem;
  --measure: 70ch;
  --space-2xs: 0.375rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6rem;
  --radius-sm: 0.4rem;
  --radius-md: 0.75rem;
  --border-width: 1px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.skip-link,
.sr-only {
  position: absolute;
}

.skip-link {
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 10;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-highlight);
  color: var(--color-highlight-ink);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform 120ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(calc(100% - clamp(2.75rem, 7vw, 7rem)), var(--page-max));
  margin: 0 auto;
}

.measure {
  max-width: var(--measure);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--color-header);
  border-bottom: var(--border-width) solid var(--color-border-faint);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.brand {
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.site-nav a {
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  color: #4f6270;
  text-decoration: none;
}


.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-text-strong);
}

.section {
  padding: var(--space-2xl) 0;
  border-top: var(--border-width) solid var(--color-border-faint);
}

.hero {
  border-top: 0;
  padding-top: var(--space-3xl);
}

.hero-copy {
  max-width: 60rem;
}

.section-label,
.stat-kicker,
.list-heading {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
h3,
th {
  color: var(--color-text-strong);
}

h1 {
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: none;
}

h2 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.05rem;
  line-height: 1.2;
}

p,
ul,
ol,
blockquote {
  margin: 0 0 var(--space-sm);
}

.lead {
  margin-top: var(--space-lg);
  font-size: 1.35rem;
  line-height: 1.55;
  font-weight: 600;
  color: var(--color-text-strong);
}

.hero-emphasis {
  margin-top: var(--space-md);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.95rem 1.35rem;
  border: var(--border-width) solid var(--color-border-strong);
  border-radius: 0.5rem;
  font-size: inherit;
  line-height: 1.2;
  font-weight: 700;
  text-decoration: none;
  transition:
    background-color 120ms ease,
    color 120ms ease,
    border-color 120ms ease;
  cursor: pointer;
}

.button-primary {
  background: var(--color-button);
  color: var(--color-button-text);
  border-color: var(--color-button);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.08);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--color-button-hover);
  border-color: var(--color-button-hover);
  color: var(--color-button-text);
}

.button-secondary {
  background: var(--color-surface-strong);
  color: var(--color-text-strong);
  border-color: var(--color-border-strong);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--color-highlight-soft);
  color: var(--color-text-strong);
}

.section-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.section-dark {
  background: var(--color-panel-dark);
}

.section-light {
  background: var(--color-surface);
}

.section-dark .section-label,
.section-dark h2,
.section-dark p,
.section-dark li,
.section-dark blockquote {
  color: var(--color-text-inverse);
}

.section-dark .section-label,
.section-dark .stat-kicker {
  color: var(--color-text-inverse-muted);
}

.section-dark .section-transition {
  color: var(--color-text-inverse);
}

.section-dark .stat-block p {
  color: var(--color-text);
}

.section-dark .stat-block .stat-kicker {
  color: var(--color-text-muted);
}

.section-dark .stat-block .stat-figure {
  color: var(--color-text-strong);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark th,
.section-dark .brand,
.section-dark .section-close {
  color: var(--color-text-inverse);
}

.stat-block,
.table-wrap,
.cost-column,
.question-grid blockquote {
  background: var(--color-surface-strong);
  border: var(--border-width) solid var(--color-border-faint);
}

.cost-column h3,
.cost-column li {
  color: var(--color-text);
}

.cost-column h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.cost-column ul {
  margin-bottom: 0;
  text-align: left;
}

.stat-block {
  padding: var(--space-lg);
  border-left: 0.45rem solid var(--color-highlight);
  background: var(--color-highlight-surface);
}

.stat-kicker {
  color: var(--color-text-muted);
}

.stat-figure {
  margin: 0 0 var(--space-xs);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--color-text-strong);
}

.stat-copy {
  max-width: 28ch;
  margin-bottom: 0;
  color: var(--color-text);
}

.cost-grid {
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-lg);
}

.cost-column {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-md);
  min-height: 11rem;
  text-align: left;
}

.cost-column ul,
.simple-list,
.feature-list {
  padding-left: 1.1rem;
}

.section-transition {
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-strong);
}

.why-now-stack,
.why-now-summary {
  display: grid;
  gap: var(--space-xs);
}

.why-now-stack {
  margin-bottom: var(--space-lg);
}

.why-now-stack p,
.why-now-summary p {
  margin-bottom: 0;
}

.why-now-takeaway {
  font-weight: 700;
  color: var(--color-text-strong);
}

.section-close {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: var(--border-width) solid var(--color-border-soft);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-strong);
}

.section-close-inline {
  max-width: none;
  white-space: nowrap;
}

.section-dark .question-grid blockquote {
  color: var(--color-text);
}

.question-grid {
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-lg);
}

.question-grid blockquote {
  margin: 0;
  padding: var(--space-md);
  border-left: 0.3rem solid #a9b8c2;
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-sm);
  font-size: 1.02rem;
}

.table-wrap {
  overflow-x: auto;
  margin-top: var(--space-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
}

caption,
th,
td {
  padding: 1rem;
  text-align: left;
  vertical-align: top;
}

thead th {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border-bottom: var(--border-width) solid var(--color-border-strong);
}

tbody th,
tbody td {
  border-top: var(--border-width) solid var(--color-border-faint);
}

.isrit-row th,
.isrit-row td {
  background: var(--color-highlight-soft);
}

.feature-list {
  display: grid;
  gap: var(--space-sm) var(--space-xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 58rem;
}

.section-dark .feature-list li {
  color: var(--color-text-inverse);
}

.beta-copy > :last-child {
  margin-bottom: 0;
}

.beta-subhead {
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-text-strong);
}

.contact-title {
  font-size: clamp(2.35rem, 4.2vw, 2.625rem);
  max-width: none;
}

.contact-copy {
  max-width: none;
}

.field-help {
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.section-dark .field-help {
  color: var(--color-text-inverse-muted);
}

.section-dark .button-primary {
  background: var(--color-panel-darker);
  border-color: var(--color-text-inverse-muted);
}

.section-dark .button-primary:hover,
.section-dark .button-primary:focus-visible {
  background: #1f2233;
  border-color: #ffffff;
}

.section-dark .button-secondary {
  background: transparent;
  border-color: var(--color-text-inverse-muted);
  color: var(--color-text-inverse);
}

.section-dark .button-secondary:hover,
.section-dark .button-secondary:focus-visible {
  background: var(--color-button-secondary-dark-hover);
  color: var(--color-text-inverse);
}

.site-footer {
  border-top: var(--border-width) solid var(--color-border-faint);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 72rem) {
  .cost-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 48rem) {
  .site-header {
    position: static;
  }

  .header-inner,
  .footer-inner {
    flex-direction: row;
    align-items: center;
  }

  .site-nav {
    display: none;
  }

  .section-grid,
  .question-grid,
  .feature-list,
  .cost-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: var(--space-2xl);
  }

  h1 {
    max-width: none;
  }

  .section-close-inline {
    white-space: normal;
  }
}