:root {
  --color-navy-950: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-600: #475569;
  --color-white: #ffffff;
  --color-soft-white: #e2e8f0;
  --color-rescue-red: #ef4444;
  --color-signal-blue: #2563eb;
  --color-signal-blue-hover: #3b82f6;
  --color-rescue-red-hover: #dc2626;

  --color-page: var(--color-navy-950);
  --color-surface: var(--color-slate-800);
  --color-border: var(--color-slate-600);
  --color-text: var(--color-white);
  --color-text-muted: var(--color-soft-white);
  --color-meta: #94a3b8;
  --color-link: var(--color-soft-white);
  --color-focus: #60a5fa;

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

  --text-display: clamp(2.25rem, 5vw, 3.5rem);
  --text-page-title: clamp(2rem, 4vw, 2.5rem);
  --text-section-title: clamp(1.75rem, 3vw, 1.875rem);
  --text-panel-title: 1.375rem;
  --text-lead: 1.25rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-label: 0.6875rem;
  --text-control: 0.875rem;

  --leading-heading: 1.04;
  --leading-body: 1.6;
  --leading-small: 1.5;

  --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-14: 3.5rem;

  --container-max: 73.75rem;
  --gutter-desktop: 2rem;
  --gutter-tablet: 1.5rem;
  --gutter-mobile: 1rem;

  --panel-padding: 1.5rem;
  --section-space: 2.5rem;

  --radius-none: 0;
  --radius-small: 0.1875rem;
  --radius: 0.375rem;
  --radius-panel: 0.75rem;

  --border-width: 1px;
  --border: var(--border-width) solid var(--color-border);
  --shadow-elevated: 0 8px 24px rgba(2, 6, 23, 0.28);

  --transition-fast: 160ms ease-out;
  --focus-ring: 0 0 0 2px var(--color-focus);
}

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

html {
  min-width: 320px;
  background: var(--color-page);
  color-scheme: dark;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-page);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--text-body);
  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,
form,
fieldset,
details,
dialog {
  min-width: 0;
}

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

img,
video,
canvas {
  height: auto;
}

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: 0.65;
}

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

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

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

th {
  color: var(--color-white);
  font-weight: 600;
}

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

a {
  color: var(--color-link);
  text-decoration-color: var(--color-signal-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:visited {
  color: #cbd5e1;
  text-decoration-color: #60a5fa;
}

a:hover {
  color: var(--color-white);
  text-decoration-color: var(--color-signal-blue-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  background: var(--color-signal-blue);
  color: var(--color-white);
}

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

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

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

h3 {
  font-size: var(--text-panel-title);
  font-weight: 600;
  line-height: 1.1;
}

h4,
h5,
h6 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

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

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

li::marker {
  color: var(--color-signal-blue);
}

blockquote {
  margin: 0 0 var(--space-4);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-signal-blue);
  color: var(--color-soft-white);
}

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

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

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

code,
kbd,
samp {
  padding: 0.1em 0.3em;
  border: 1px solid rgba(71, 85, 105, 0.8);
  border-radius: var(--radius-small);
  background: rgba(30, 41, 59, 0.8);
  color: var(--color-soft-white);
  font-size: 0.9em;
}

pre {
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  overflow: auto;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-slate-800);
}

pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

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

strong,
b {
  color: var(--color-white);
  font-weight: 600;
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  color: var(--color-soft-white);
  font-size: var(--text-small);
  font-weight: 600;
  line-height: 1.3;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-navy-950);
  color: var(--color-white);
  line-height: 1.4;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

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

textarea {
  padding: 0.75rem;
}

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

input:hover,
select:hover,
textarea:hover {
  border-color: #64748b;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-signal-blue);
  outline: none;
  box-shadow: var(--focus-ring);
}

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

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

input[type="file"]::file-selector-button {
  margin-right: var(--space-3);
  padding: 0.5rem 0.75rem;
  border: var(--border);
  border-radius: var(--radius-small);
  background: var(--color-slate-800);
  color: var(--color-white);
  font: inherit;
  font-size: var(--text-small);
  font-weight: 600;
  cursor: pointer;
}

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

fieldset {
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  border: var(--border);
  border-radius: var(--radius);
}

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

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

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

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

.panel--critical {
  border-left: 2px solid var(--color-rescue-red);
}

.panel--selected {
  border-color: var(--color-signal-blue);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.3);
}

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

.panel--interactive:hover {
  border-color: var(--color-signal-blue);
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px);
}

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

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

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

.content-list {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

.label,
.technical-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-meta);
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 1.5rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: rgba(15, 23, 42, 0.55);
  color: var(--color-soft-white);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
}

.status-tag--alert {
  border-color: rgba(239, 68, 68, 0.8);
  color: #fecaca;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border-radius: var(--radius-small);
  background: var(--color-signal-blue);
}

.status-dot--alert {
  background: var(--color-rescue-red);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.6875rem 0.875rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--color-signal-blue);
  color: var(--color-white);
  font-size: var(--text-control);
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.button:visited {
  color: var(--color-white);
}

.button:hover {
  background: var(--color-signal-blue-hover);
  color: var(--color-white);
  text-decoration: none;
}

.button:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

.button--secondary:hover {
  border-color: var(--color-signal-blue);
  background: #27364d;
}

.button--alert {
  background: var(--color-rescue-red);
}

.button--alert:hover {
  background: var(--color-rescue-red-hover);
}

.button > svg,
.button > img {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
}

.media-frame {
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--color-slate-800);
}

.media-frame > img,
.media-frame > video,
.media-frame > picture > img {
  width: 100%;
}

.tactical-grid {
  background-color: var(--color-navy-950);
  background-image:
    linear-gradient(rgba(71, 85, 105, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(71, 85, 105, 0.12) 1px, transparent 1px);
  background-size: 2rem 2rem;
}

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

.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: 1199px) {
  :root {
    --panel-padding: 1.25rem;
    --section-space: 2rem;
  }

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

@media (max-width: 767px) {
  :root {
    --panel-padding: 1rem;
    --section-space: 1.75rem;
  }

  html {
    scroll-padding-top: var(--space-4);
  }

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

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

  h1 {
    font-size: clamp(2rem, 9vw, 2.25rem);
  }

  h2 {
    font-size: clamp(1.625rem, 7vw, 1.875rem);
  }

  .button {
    min-height: 2.75rem;
  }

  .tactical-grid {
    background-size: 2.5rem 2.5rem;
  }
}

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

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

  .panel--interactive:hover {
    transform: none;
  }
}

ul {
  list-style: none !important;
}

.site-header__toggle {
  flex-direction: column;
}
html, body {
  overflow-x: clip;
  max-width: 100%;
}

img, video, svg {
  max-width: 100%;
  height: auto;
}