:root {
  --color-page: #f8fbf7;
  --color-surface: #ffffff;
  --color-surface-muted: #eef6f1;
  --color-primary: #176b4d;
  --color-primary-deep: #0d4533;
  --color-primary-soft: #d7e7de;
  --color-accent: #f5c542;
  --color-accent-soft: #fff4c7;
  --color-ink: #14231d;
  --color-muted: #53645c;
  --color-border: #d7e7de;
  --color-error: #b83232;
  --color-on-dark: #ffffff;
  --color-border-dark: rgba(255, 255, 255, 0.22);

  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;

  --text-2xs: 0.625rem;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: clamp(2.25rem, 4vw, 3rem);
  --text-4xl: clamp(2.75rem, 6vw, 4rem);

  --leading-tight: 1;
  --leading-heading: 1.05;
  --leading-body: 1.625;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.015em;
  --tracking-heading: 0.025em;
  --tracking-label: 0.08em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --container-max: 75rem;
  --container-padding: 2rem;
  --reading-max: 45rem;
  --hero-copy-max: 38.75rem;

  --radius-sharp: 0.125rem;
  --radius-card: 0.5rem;
  --radius-control: 0.75rem;
  --radius-panel: 1rem;
  --radius-round: 999px;

  --border-width: 1px;
  --border: var(--border-width) solid var(--color-border);
  --shadow-card: 0 4px 16px rgba(13, 69, 51, 0.08);
  --shadow-none: none;

  --focus-ring: 0 0 0 3px var(--color-accent);
  --focus-offset: 3px;

  --transition-fast: 160ms ease;
  --transition-base: 220ms ease;
}

@media (max-width: 68.6875rem) {
  :root {
    --container-padding: 1.5rem;
  }
}

@media (max-width: 47.4375rem) {
  :root {
    --container-padding: 1.25rem;
    --space-8: 3.5rem;
    --space-9: 3.5rem;
  }
}

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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main,
header,
footer,
section,
article,
aside,
nav,
figure,
picture,
form,
fieldset {
  min-width: 0;
}

img,
picture,
svg,
video,
canvas,
iframe {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
}

iframe {
  width: 100%;
  border: 0;
}

svg {
  fill: currentColor;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

th,
td {
  text-align: left;
  vertical-align: top;
}

hr {
  height: 1px;
  margin: var(--space-6) 0;
  border: 0;
  background: var(--color-border);
}

a {
  color: var(--color-primary);
  overflow-wrap: anywhere;
  text-decoration-line: underline;
  text-decoration-color: color-mix(in srgb, currentColor 45%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-deep);
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

::selection {
  background: var(--color-accent);
  color: var(--color-ink);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-4xl);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
  line-height: 1.15;
}

h4 {
  font-size: 1.375rem;
  line-height: 1.15;
}

h5 {
  font-size: var(--text-lg);
  line-height: 1.2;
}

h6 {
  font-size: var(--text-base);
  line-height: 1.25;
}

p {
  margin: 0 0 var(--space-4);
  color: inherit;
  overflow-wrap: anywhere;
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.4em;
}

li::marker {
  color: var(--color-primary);
}

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-left: 4px solid var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

blockquote > :last-child {
  margin-bottom: 0;
}

figure {
  margin: 0 0 var(--space-5);
}

figcaption {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

pre,
code,
kbd,
samp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

code,
kbd {
  border-radius: var(--radius-sharp);
  background: var(--color-surface-muted);
  color: var(--color-primary-deep);
  font-size: 0.9em;
}

code {
  padding: 0.1em 0.3em;
}

kbd {
  padding: 0.14em 0.36em;
  border: var(--border);
  box-shadow: 0 1px 0 var(--color-border);
}

pre {
  margin: 0 0 var(--space-5);
  padding: var(--space-4);
  overflow: auto;
  border: var(--border);
  border-radius: var(--radius-card);
  background: var(--color-primary-deep);
  color: var(--color-on-dark);
}

pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

small {
  font-size: var(--text-sm);
}

strong,
b {
  font-weight: 700;
}

sub,
sup {
  position: relative;
  font-size: 0.75em;
  line-height: 0;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: var(--border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  line-height: 1.4;
}

input,
select {
  min-height: 2.75rem;
  padding: 0.625rem 0.75rem;
}

textarea {
  padding: 0.75rem;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.1rem;
  min-width: 1.1rem;
  height: 1.1rem;
  min-height: 1.1rem;
  padding: 0;
  accent-color: var(--color-primary);
}

input[type="file"] {
  min-height: auto;
  padding: var(--space-2);
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 700;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: none;
}

input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
  border-color: var(--color-error);
}

details {
  margin-bottom: var(--space-4);
  border: var(--border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

summary {
  padding: var(--space-4);
  color: var(--color-ink);
  font-weight: 700;
  cursor: pointer;
}

details > :not(summary) {
  margin-right: var(--space-4);
  margin-left: var(--space-4);
}

details > :last-child {
  margin-bottom: var(--space-4);
}

.container {
  width: min(100% - (var(--container-padding) * 2), var(--container-max));
  margin-inline: auto;
}

.container--reading {
  width: min(100% - (var(--container-padding) * 2), var(--reading-max));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-9);
}

.section--compact {
  padding-block: var(--space-8);
}

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

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

.panel {
  min-width: 0;
  padding: var(--space-5);
  border: var(--border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.panel > :last-child,
.card > :last-child,
.callout > :last-child,
.stack > :last-child,
.cluster > :last-child {
  margin-bottom: 0;
}

.card {
  min-width: 0;
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.card--interactive {
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card--interactive:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.card__body {
  min-width: 0;
  padding: var(--space-5);
}

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

.callout {
  min-width: 0;
  padding: var(--space-5);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.score-panel {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-card);
  background: var(--color-primary-deep);
  color: var(--color-on-dark);
}

.score-panel :is(h1, h2, h3, h4, h5, h6) {
  color: var(--color-on-dark);
}

.score-panel a {
  color: var(--color-on-dark);
  text-decoration-color: rgba(255, 255, 255, 0.55);
}

.score-panel a:hover {
  color: var(--color-accent);
  text-decoration-color: currentColor;
}

.eyebrow,
.meta,
.badge {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  line-height: 1.35;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
}

.meta {
  color: var(--color-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  min-height: 1.5rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sharp);
  background: var(--color-surface-muted);
  color: var(--color-primary-deep);
  white-space: nowrap;
}

.badge--accent {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.badge--dark {
  border-color: var(--color-border-dark);
  background: var(--color-primary-deep);
  color: var(--color-on-dark);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.625rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: var(--color-primary-deep);
  color: var(--color-on-dark);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
  background: var(--color-primary);
  color: var(--color-on-dark);
  text-decoration: none;
}

.button:active {
  transform: translateY(1px);
}

.button--accent {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-ink);
}

.button--accent:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.button--outline {
  border-color: var(--color-primary);
  background: transparent;
  color: var(--color-primary);
}

.button--outline:hover {
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.button--full {
  width: 100%;
}

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-4);
}

.stack--tight {
  gap: var(--space-2);
}

.stack--loose {
  gap: var(--space-5);
}

.cluster {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.cluster--tight {
  gap: var(--space-2);
}

.cluster--spread {
  justify-content: space-between;
}

.content-list {
  margin: 0 0 var(--space-4);
  padding-left: 1.4em;
}

.content-list > .divider {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--color-border);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 1000;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-control);
  background: var(--color-primary-deep);
  color: var(--color-on-dark);
  font-weight: 700;
  transform: translateY(-200%);
}

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

@media (max-width: 47.4375rem) {
  h3 {
    font-size: 1.375rem;
  }

  .section {
    padding-block: var(--space-8);
  }

  .section--compact {
    padding-block: var(--space-7);
  }

  .panel,
  .card__body,
  .callout,
  .score-panel {
    padding: var(--space-4);
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}