:root {
  --color-ink-950: #10171b;
  --color-blueprint-900: #123746;
  --color-blueprint-700: #1f5a6b;
  --color-blueprint-300: #76b7c1;
  --color-blueprint-050: #e7f1f0;
  --color-construction-500: #f2b632;
  --color-construction-300: #ffd875;
  --color-paper-050: #f6f4ee;
  --color-paper-200: #e4e0d6;
  --color-graphite-500: #5b686b;
  --color-signal-red-600: #b94732;

  --font-heading: "Barlow Condensed SemiBold", "Arial Narrow", Arial, sans-serif;
  --font-body: "IBM Plex Sans", Arial, sans-serif;

  --text-micro: 0.75rem;
  --text-small: 0.875rem;
  --text-base: 1rem;
  --text-lead: 1.125rem;
  --text-h3: 1.375rem;
  --text-h2-mobile: 1.75rem;
  --text-h2-desktop: 2.5rem;
  --text-h1: clamp(2.75rem, 6vw, 5.5rem);

  --leading-body: 1.6;
  --leading-lead: 1.45;
  --leading-heading: 1.03;
  --leading-label: 1.15;

  --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: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --container-max: 77.5rem;
  --container-technical-max: 65rem;
  --gutter: 1rem;

  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-pill: 999px;

  --border-light: rgba(16, 23, 27, 0.22);
  --border-dark: rgba(231, 241, 240, 0.28);
  --border-active: 2px solid var(--color-construction-500);

  --shadow-elevated: 0 8px 24px rgba(16, 23, 27, 0.1);

  --transition-fast: 180ms ease-out;
  --transition-panel: 240ms ease-out;

  --surface-page: var(--color-paper-050);
  --surface-muted: var(--color-paper-200);
  --surface-technical: var(--color-blueprint-050);
  --surface-blueprint: var(--color-blueprint-900);
  --surface-ink: var(--color-ink-950);

  --text-primary: var(--color-ink-950);
  --text-muted: var(--color-graphite-500);
  --text-on-dark: var(--color-paper-050);
  --text-on-blueprint: var(--color-blueprint-050);
  --focus-color: var(--color-construction-500);
}

@media (min-width: 48rem) {
  :root {
    --gutter: 1.25rem;
  }
}

@media (min-width: 64rem) {
  :root {
    --gutter: 1.5rem;
  }
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--surface-page);
  color: var(--text-primary);
  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,
blockquote,
fieldset,
table,
dl {
  min-width: 0;
}

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

img,
video,
canvas {
  height: auto;
}

svg {
  fill: currentColor;
}

iframe {
  border: 0;
}

a {
  color: inherit;
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--color-blueprint-700);
}

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

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="submit"],
[type="reset"],
label[for],
select,
summary {
  cursor: pointer;
}

button {
  border: 0;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

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

legend {
  padding: 0;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--color-paper-050);
  line-height: 1.35;
}

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

textarea {
  padding: 0.75rem;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-graphite-500);
  opacity: 1;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1rem;
  min-height: 1rem;
  padding: 0;
  accent-color: var(--color-construction-500);
}

input[type="file"] {
  padding: 0.5rem;
}

input:disabled,
select:disabled,
textarea:disabled,
button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 3px;
}

::selection {
  background: var(--color-construction-300);
  color: var(--color-ink-950);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: inherit;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: var(--leading-heading);
  overflow-wrap: break-word;
}

h1 {
  font-size: var(--text-h1);
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(var(--text-h2-mobile), 4vw, var(--text-h2-desktop));
}

h3 {
  font-size: var(--text-h3);
  line-height: 1.08;
}

h4 {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  font-weight: 700;
  line-height: 1.2;
}

h5,
h6 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.3;
}

p {
  margin: 0 0 var(--space-4);
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

ul ul,
ul ol,
ol ul,
ol ol {
  margin-top: var(--space-2);
  margin-bottom: 0;
}

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-left: var(--border-active);
  color: var(--color-blueprint-900);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

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

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

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

dl {
  margin: 0 0 var(--space-4);
}

dt {
  font-size: var(--text-small);
  font-weight: 700;
}

dd {
  margin: 0 0 var(--space-3);
}

table {
  width: 100%;
  margin: 0 0 var(--space-5);
  border-collapse: collapse;
  border-spacing: 0;
  font-variant-numeric: tabular-nums;
}

caption {
  margin-bottom: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-small);
  text-align: left;
}

th,
td {
  padding: 0.75rem;
  border: 1px solid var(--border-light);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-ink-950);
  color: var(--color-paper-050);
  font-size: var(--text-small);
  font-weight: 700;
  line-height: 1.25;
}

td {
  background: color-mix(in srgb, var(--color-paper-050) 82%, var(--color-blueprint-050));
}

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

sub,
sup {
  font-size: 0.75em;
}

code,
kbd,
pre,
samp {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

code,
kbd {
  padding: 0.08em 0.28em;
  border: 1px solid var(--border-light);
  background: var(--color-blueprint-050);
  font-size: 0.9em;
}

pre {
  margin: 0 0 var(--space-5);
  padding: var(--space-4);
  overflow: auto;
  background: var(--color-ink-950);
  color: var(--color-paper-050);
  line-height: 1.5;
}

strong,
b {
  font-weight: 700;
}

address {
  margin: 0 0 var(--space-4);
  font-style: normal;
}

summary {
  min-height: 2.75rem;
  padding: 0.625rem 0;
  font-weight: 700;
}

details {
  margin-bottom: var(--space-3);
}

details > :not(summary) {
  margin-top: var(--space-3);
}

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

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

.section {
  padding-block: clamp(var(--space-7), 8vw, var(--space-10));
}

.section--compact {
  padding-block: clamp(var(--space-6), 5vw, var(--space-8));
}

.surface-paper {
  background: var(--color-paper-050);
  color: var(--color-ink-950);
}

.surface-muted {
  background: var(--color-paper-200);
  color: var(--color-ink-950);
}

.surface-technical {
  background: var(--color-blueprint-050);
  color: var(--color-ink-950);
}

.surface-blueprint {
  background: var(--color-blueprint-900);
  color: var(--color-paper-050);
}

.surface-ink {
  background: var(--color-ink-950);
  color: var(--color-paper-050);
}

.panel {
  min-width: 0;
  padding: clamp(var(--space-4), 3vw, var(--space-6));
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--color-paper-050);
}

.panel--technical {
  border-color: rgba(18, 55, 70, 0.28);
  background: var(--color-blueprint-050);
}

.panel--blueprint,
.panel--ink {
  border-color: var(--border-dark);
  color: var(--color-paper-050);
}

.panel--blueprint {
  background: var(--color-blueprint-900);
}

.panel--ink {
  background: var(--color-ink-950);
}

.panel > :last-child,
.content-group > :last-child,
.stack > :last-child,
.flow > :last-child {
  margin-bottom: 0;
}

.eyebrow,
.technical-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  color: var(--color-blueprint-700);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

.surface-blueprint .eyebrow,
.surface-blueprint .technical-label,
.surface-ink .eyebrow,
.surface-ink .technical-label,
.panel--blueprint .eyebrow,
.panel--blueprint .technical-label,
.panel--ink .eyebrow,
.panel--ink .technical-label {
  color: var(--color-construction-300);
}

.eyebrow::before,
.technical-label::before {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  background: var(--color-construction-500);
  content: "";
}

.lead {
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

.meta {
  color: var(--text-muted);
  font-size: var(--text-small);
  line-height: 1.45;
}

.meta,
.data-value,
.numeric {
  font-variant-numeric: tabular-nums;
}

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

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

.stack--loose {
  gap: var(--space-6);
}

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

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

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

.cluster > * {
  min-width: 0;
}

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

.action-group > * {
  min-width: 0;
}

.button,
.button:visited {
  display: inline-flex;
  min-height: 2.75rem;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-construction-500);
  color: var(--color-ink-950);
  font-size: var(--text-small);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
  background: var(--color-construction-300);
  color: var(--color-ink-950);
}

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

.button--secondary,
.button--secondary:visited {
  border-color: currentColor;
  background: transparent;
  color: var(--color-ink-950);
}

.button--secondary:hover {
  border-color: var(--color-blueprint-700);
  background: var(--color-blueprint-050);
  color: var(--color-blueprint-900);
}

.surface-blueprint .button--secondary,
.surface-blueprint .button--secondary:visited,
.surface-ink .button--secondary,
.surface-ink .button--secondary:visited,
.panel--blueprint .button--secondary,
.panel--blueprint .button--secondary:visited,
.panel--ink .button--secondary,
.panel--ink .button--secondary:visited {
  border-color: var(--color-paper-050);
  color: var(--color-paper-050);
}

.surface-blueprint .button--secondary:hover,
.surface-ink .button--secondary:hover,
.panel--blueprint .button--secondary:hover,
.panel--ink .button--secondary:hover {
  border-color: var(--color-construction-500);
  background: var(--color-construction-500);
  color: var(--color-ink-950);
}

.status-badge {
  display: inline-flex;
  min-height: 1.5rem;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  color: var(--color-blueprint-700);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.1;
  text-transform: uppercase;
}

.status-badge--active {
  border-color: var(--color-construction-500);
  background: var(--color-construction-500);
  color: var(--color-ink-950);
}

.status-badge--caution {
  border-color: var(--color-signal-red-600);
  color: var(--color-signal-red-600);
}

.rule {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--border-light);
}

.rule--active {
  height: 2px;
  background: var(--color-construction-500);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-construction-500);
  color: var(--color-ink-950);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--transition-fast);
}

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

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

@media (max-width: 47.9375rem) {
  h1 {
    font-size: clamp(2.75rem, 11vw, 3.5rem);
  }

  .section {
    padding-block: clamp(var(--space-7), 13vw, var(--space-8));
  }

  .button {
    width: 100%;
  }

  .action-group {
    align-items: stretch;
  }
}

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

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