:root {
  --color-marine-950: #092a3a;
  --color-marine-800: #0f4861;
  --color-marine-650: #176b86;
  --color-steel-700: #435663;
  --color-steel-300: #b8c5ca;
  --color-silver-100: #f2f5f6;
  --color-silver-50: #fafcfc;
  --color-white: #ffffff;
  --color-teal-500: #159a9c;
  --color-amber-500: #d89332;
  --color-ink: #122630;
  --color-focus-ring: #f0b84b;

  --font-heading: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;

  --text-meta: 0.6875rem;
  --text-label: 0.8125rem;
  --text-small: 0.9375rem;
  --text-body: 1.0625rem;
  --text-lead: 1.25rem;
  --text-card-title: 1.5rem;
  --text-page-title: clamp(2rem, 4vw, 2.625rem);
  --text-feature-title: clamp(2.25rem, 5vw, 2.625rem);

  --line-meta: 1.36;
  --line-label: 1.38;
  --line-small: 1.53;
  --line-body: 1.59;
  --line-lead: 1.35;
  --line-heading: 1.15;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --container-max: 75rem;
  --gutter: 1.5rem;
  --content-padding-block: var(--space-12);

  --surface-page: var(--color-silver-100);
  --surface-raised: var(--color-silver-50);
  --surface-content: var(--color-white);
  --surface-dark: var(--color-marine-950);

  --border-color: var(--color-steel-300);
  --border-active: var(--color-marine-800);
  --border-accent: var(--color-teal-500);

  --shadow-floating: 0 8px 24px rgba(9, 42, 58, 0.14);

  --radius-technical: 0.125rem;
  --radius-control: 0.375rem;
  --radius-panel: 0.625rem;
  --radius-pill: 999px;

  --transition-fast: 160ms ease-out;
  --transition-drawer: 220ms ease-out;
}

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

html {
  min-width: 0;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--surface-page);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: var(--line-body);
  text-rendering: optimizeLegibility;
}

body.is-scroll-locked {
  overflow: hidden;
}

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

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

img,
video {
  height: auto;
}

svg {
  fill: currentColor;
}

iframe {
  border: 0;
}

button,
input,
select,
textarea {
  margin: 0;
  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: 0.6;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control);
  background: var(--surface-content);
  color: var(--color-ink);
}

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

textarea {
  min-height: 7rem;
  resize: vertical;
  padding: 0.75rem;
}

select {
  cursor: pointer;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-steel-700);
  opacity: 0.82;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.125rem;
  min-height: 1.125rem;
  padding: 0;
  accent-color: var(--color-marine-800);
}

input[type="search"] {
  appearance: none;
  -webkit-appearance: none;
}

input[type="search"]::-webkit-search-cancel-button {
  cursor: pointer;
}

a {
  color: var(--color-marine-800);
  overflow-wrap: anywhere;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-teal-500);
}

a:not([class]) {
  text-decoration-color: currentColor;
}

a:not([class]):hover {
  text-decoration-thickness: 0.12em;
}

:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-marine-800);
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}

::selection {
  background: var(--color-teal-500);
  color: var(--color-white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: var(--line-heading);
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--text-feature-title);
}

h2 {
  font-size: var(--text-page-title);
}

h3 {
  font-size: var(--text-card-title);
  line-height: 1.25;
}

h4 {
  font-size: var(--text-lead);
  line-height: 1.35;
}

h5,
h6 {
  font-size: 1rem;
  line-height: 1.4;
}

p {
  margin: 0 0 var(--space-4);
  font-size: var(--text-body);
  line-height: var(--line-body);
  overflow-wrap: break-word;
}

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

strong,
b {
  font-weight: 700;
}

em,
i {
  font-style: italic;
}

abbr[title] {
  cursor: help;
  text-decoration: underline dotted;
  text-underline-offset: 0.16em;
}

hr {
  height: 1px;
  margin: var(--space-8) 0;
  border: 0;
  background: var(--border-color);
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.35rem;
}

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

.content-list > li + li,
.article-content > ul > li + li,
.article-content > ol > li + li,
.rich-text > ul > li + li,
.rich-text > ol > dl {
  margin: 0 0 var(--space-4);
}

dt {
  font-family: var(--font-heading);
  font-weight: 600;
}

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

blockquote {
  margin: 0 0 var(--space-6);
  padding: var(--space-4);
  border-left: 4px solid var(--color-marine-800);
  background: var(--surface-raised);
  color: var(--color-steel-700);
}

blockquote > :last-child,
.content-group > :last-child,
.panel > :last-child,
.card > :last-child,
.callout > :last-child,
.fact-panel > :last-child {
  margin-bottom: 0;
}

figure {
  margin: 0 0 var(--space-6);
}

figcaption {
  margin-top: var(--space-2);
  color: var(--color-steel-700);
  font-size: var(--text-small);
  line-height: var(--line-small);
}

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

code,
kbd {
  border-radius: var(--radius-technical);
  background: var(--color-silver-100);
  padding: 0.12em 0.3em;
  font-size: 0.92em;
}

pre {
  margin: 0 0 var(--space-6);
  overflow: auto;
  padding: var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control);
  background: var(--color-marine-950);
  color: var(--color-white);
}

table {
  width: 100%;
  margin: 0 0 var(--space-6);
  border-collapse: collapse;
  border-spacing: 0;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

caption {
  margin-bottom: var(--space-2);
  color: var(--color-steel-700);
  font-size: var(--text-small);
  text-align: left;
}

th,
td {
  padding: var(--space-3);
  border: 1px solid var(--border-color);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-raised);
  font-family: var(--font-heading);
  font-weight: 600;
}

fieldset {
  min-width: 0;
  margin: 0 0 var(--space-5);
  padding: var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-control);
}

legend {
  padding: 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: 600;
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
  font-size: var(--text-small);
  font-weight: 600;
  line-height: var(--line-small);
}

summary {
  cursor: pointer;
}

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

[hidden] {
  display: none !important;
}

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

.container--wide {
  width: min(100% - (var(--gutter) * 2), 90rem);
  margin-inline: auto;
}

.page-section {
  padding-block: var(--content-padding-block);
}

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

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

.surface-dark {
  background: var(--surface-dark);
  color: var(--color-silver-100);
}

.surface-dark :is(h1, h2, h3, h4, h5, h6) {
  color: var(--color-white);
}

.eyebrow,
.meta,
.section-code {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-steel-700);
  font-family: var(--font-heading);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: var(--line-meta);
  text-transform: uppercase;
}

.surface-dark .eyebrow,
.surface-dark .meta,
.surface-dark .section-code {
  color: var(--color-steel-300);
}

.lead {
  color: var(--color-steel-700);
  font-size: var(--text-lead);
  line-height: var(--line-lead);
}

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

.tabular {
  font-variant-numeric: tabular-nums;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-2);
  left: var(--space-2);
  transform: translateY(-200%);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-control);
  background: var(--color-white);
  color: var(--color-marine-950);
  font-weight: 700;
  box-shadow: var(--shadow-floating);
}

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

.button,
.button-secondary,
.button-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 2.75rem;
  gap: var(--space-2);
  padding: 0.625rem var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  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 {
  background: var(--color-marine-800);
  color: var(--color-white);
}

.button:hover {
  background: var(--color-marine-650);
  color: var(--color-white);
}

.button-secondary {
  border-color: var(--color-marine-800);
  background: var(--color-white);
  color: var(--color-marine-800);
}

.button-secondary:hover {
  border-color: var(--color-teal-500);
  background: var(--color-silver-50);
  color: var(--color-teal-500);
}

.button-text {
  min-height: auto;
  padding: 0;
  background: transparent;
  color: var(--color-marine-800);
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.button-text:hover {
  color: var(--color-teal-500);
}

.button > *,
.button-secondary > *,
.button-text > * {
  min-width: 0;
}

.button:disabled,
.button-secondary:disabled,
.button-text:disabled {
  transform: none;
}

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

.button-row > * {
  min-width: 0;
}

.card,
.panel,
.fact-panel {
  min-width: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-panel);
  background: var(--surface-content);
}

.card {
  padding: var(--space-5);
}

.panel,
.fact-panel {
  padding: var(--space-6);
}

.card--active,
.panel--active {
  border-top: 2px solid var(--color-teal-500);
}

.card--marine,
.fact-panel--marine {
  border-top: 2px solid var(--color-marine-800);
}

.card__title,
.panel__title,
.fact-panel__title {
  margin-bottom: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 600;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 600;
}

.card__link::after {
  content: "→";
  line-height: 1;
}

.callout {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border-left: 4px solid var(--color-marine-800);
  background: var(--surface-raised);
}

.callout--teal {
  border-left-color: var(--color-teal-500);
}

.callout--amber {
  border-left-color: var(--color-amber-500);
}

.callout__title {
  margin-bottom: var(--space-2);
  font-size: var(--text-small);
  font-weight: 700;
}

.status-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  width: fit-content;
  max-width: 100%;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-pill);
  background: var(--color-silver-100);
  color: var(--color-steel-700);
  font-family: var(--font-heading);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: var(--line-meta);
  text-transform: uppercase;
}

.status-label--amber {
  background: #f7ead8;
  color: var(--color-marine-950);
}

.status-label--teal {
  background: #dceff0;
  color: var(--color-marine-950);
}

.fact-list {
  margin: 0;
}

.fact-list > div {
  display: grid;
  grid-template-columns: minmax(6rem, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.fact-list > div:first-child {
  padding-top: 0;
}

.fact-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.fact-list dt,
.fact-list dd {
  margin: 0;
}

.fact-list dt {
  color: var(--color-steel-700);
  font-size: var(--text-small);
}

.fact-list dd {
  font-variant-numeric: tabular-nums;
}

.media-frame {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-panel);
  background: var(--color-silver-100);
}

.media-frame img {
  width: 100%;
  object-fit: cover;
}

.media-frame--card img {
  aspect-ratio: 4 / 3;
}

.media-frame--lead img {
  aspect-ratio: 16 / 9;
}

.media-frame--square img {
  aspect-ratio: 1;
}

.scroll-x {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 45rem) {
  :root {
    --gutter: 1rem;
    --content-padding-block: var(--space-10);
  }

  body {
    font-size: 1rem;
  }

  h1 {
    font-size: clamp(2rem, 9vw, 2.375rem);
  }

  h2 {
    font-size: clamp(1.75rem, 7vw, 2rem);
  }

  h3 {
    font-size: 1.375rem;
  }

  .lead {
    font-size: 1.125rem;
  }

  .panel,
  .fact-panel {
    padding: var(--space-5);
  }

  .fact-list > div {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

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

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

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