:root {
  --color-canvas: #090a12;
  --color-canvas-violet: #151027;
  --color-surface: rgba(25, 24, 43, 0.82);
  --color-surface-raised: #211b38;
  --color-line: #34304f;
  --color-line-bright: #27d8e8;
  --color-text-primary: #f2f5fa;
  --color-text-secondary: #b8bed0;
  --color-text-muted: #858ba0;
  --color-cyan: #27d8e8;
  --color-fuchsia: #f248b8;
  --color-green: #b7f34a;
  --color-warning: #ffb84d;
  --color-black: #05060b;

  --font-heading: "Space Grotesk", Arial, sans-serif;
  --font-body: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --text-12: 0.75rem;
  --text-13: 0.8125rem;
  --text-15: 0.9375rem;
  --text-16: 1rem;
  --text-20: 1.25rem;
  --text-28: 1.75rem;
  --text-40: 2.5rem;
  --text-display: clamp(2.75rem, 7vw, 5.25rem);
  --text-editorial: clamp(1.875rem, 5vw, 3.5rem);

  --leading-tight: 0.96;
  --leading-display: 1.02;
  --leading-heading: 1.08;
  --leading-section: 1.15;
  --leading-ui: 1.35;
  --leading-copy: 1.6;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-28: 7rem;

  --container-max: 75rem;
  --container-padding: 1.5rem;
  --section-space: 7rem;

  --radius-hud: 0.125rem;
  --radius-control: 0.375rem;
  --clip-notch: 0.625rem;

  --border-default: 1px solid var(--color-line);
  --border-cyan: 1px solid var(--color-cyan);

  --shadow-raised: 0 1rem 3rem rgba(0, 0, 0, 0.42);
  --shadow-cyan: 0 0 1.5rem rgba(39, 216, 232, 0.16);
  --shadow-fuchsia: 0 0 1.5rem rgba(242, 72, 184, 0.2);

  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;

  color-scheme: dark;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
  background: var(--color-canvas);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background:
    linear-gradient(135deg, rgba(21, 16, 39, 0.5), transparent 45%),
    var(--color-canvas);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: var(--text-16);
  font-weight: 400;
  line-height: var(--leading-copy);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body[data-menu-open="true"],
body.is-menu-open {
  overflow: hidden;
}

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

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

img,
video {
  height: auto;
}

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

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

button,
select {
  text-transform: none;
}

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

button {
  border: 0;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  outline: none;
  background: rgba(9, 10, 18, 0.72);
  color: var(--color-text-primary);
  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: 0.6875rem 0.75rem;
}

textarea {
  padding: 0.75rem;
}

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

input:disabled,
select:disabled,
textarea:disabled,
button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

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

select {
  appearance: auto;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: var(--space-4);
  border: var(--border-default);
}

legend {
  padding-inline: var(--space-2);
  color: var(--color-text-primary);
}

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

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

th {
  color: var(--color-text-primary);
  font-size: var(--text-13);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a {
  color: var(--color-cyan);
  text-decoration-color: rgba(39, 216, 232, 0.58);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition:
    color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-text-primary);
  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: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

::selection {
  background: rgba(39, 216, 232, 0.28);
  color: var(--color-text-primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-display);
  line-height: var(--leading-tight);
}

h2 {
  font-size: var(--text-editorial);
  line-height: var(--leading-display);
}

h3 {
  font-size: var(--text-40);
  line-height: var(--leading-heading);
}

h4 {
  font-size: var(--text-28);
  line-height: var(--leading-section);
}

h5 {
  font-size: var(--text-20);
  line-height: var(--leading-ui);
}

h6 {
  font-size: var(--text-16);
  line-height: var(--leading-ui);
  letter-spacing: 0.02em;
}

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

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

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

blockquote {
  margin: 0 0 var(--space-6);
  padding: var(--space-4) 0 var(--space-4) var(--space-6);
  border-inline-start: 2px solid var(--color-cyan);
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: var(--text-20);
  line-height: 1.45;
}

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

figcaption {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-13);
  line-height: var(--leading-ui);
}

hr {
  height: 1px;
  margin: var(--space-8) 0;
  border: 0;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-line) 42%, transparent);
}

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

dt {
  color: var(--color-text-primary);
  font-size: var(--text-13);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

dd {
  margin: var(--space-1) 0 var(--space-4);
}

small {
  font-size: var(--text-12);
  line-height: 1.3;
}

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

code,
kbd,
samp {
  padding: 0.08em 0.35em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-hud);
  background: rgba(33, 27, 56, 0.7);
  color: var(--color-text-primary);
  font-size: 0.9em;
}

pre {
  margin: 0 0 var(--space-6);
  padding: var(--space-4);
  overflow-x: auto;
  border: var(--border-default);
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
}

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

details {
  margin: 0 0 var(--space-4);
  border: var(--border-default);
  background: rgba(25, 24, 43, 0.48);
}

summary {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  cursor: pointer;
}

details > :not(summary) {
  margin-inline: 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;
}

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

.surface {
  border: var(--border-default);
  border-radius: var(--radius-hud);
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.surface--raised {
  border: var(--border-default);
  border-radius: var(--radius-hud);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-raised);
}

.panel {
  position: relative;
  min-width: 0;
  padding: var(--space-6);
  border: var(--border-default);
  border-radius: var(--radius-hud);
  background: var(--color-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.panel::before {
  position: absolute;
  inset: -1px auto auto -1px;
  width: min(5rem, 34%);
  height: 1px;
  background: var(--color-cyan);
  content: "";
}

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

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

.stack--compact {
  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 > * {
  min-width: 0;
}

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

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

.actions > .button {
  flex: 0 1 auto;
}

.content-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  padding-inline-start: 1.25rem;
}

.content-list > li {
  padding-inline-start: 0.2rem;
}

.eyebrow,
.label,
.meta {
  margin: 0;
  color: var(--color-cyan);
  font-family: var(--font-body);
  font-size: var(--text-13);
  font-weight: 500;
  letter-spacing: 0.11em;
  line-height: var(--leading-ui);
  text-transform: uppercase;
}

.meta {
  color: var(--color-text-muted);
  font-size: var(--text-12);
}

.rule {
  width: 100%;
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--color-cyan) 0 4rem, var(--color-line) 4rem 52%, transparent 52%);
}

.status {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-13);
  line-height: var(--leading-ui);
}

.status::before {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 0.5rem;
  background: currentColor;
  content: "";
}

.status--live {
  color: var(--color-green);
}

.status--warning {
  color: var(--color-warning);
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.6875rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-hud);
  background: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-13);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  clip-path: polygon(0 0, calc(100% - var(--clip-notch)) 0, 100% var(--clip-notch), 100% 100%, 0 100%);
}

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

.button--primary {
  background: var(--color-fuchsia);
  color: var(--color-black);
}

.button--primary:hover {
  background: #ff67c8;
  color: var(--color-black);
  box-shadow: var(--shadow-fuchsia);
}

.button--secondary {
  border-color: var(--color-cyan);
  background: rgba(9, 10, 18, 0.42);
}

.button--secondary:hover {
  border-color: var(--color-text-primary);
  box-shadow: var(--shadow-cyan);
}

.button--quiet {
  border-color: var(--color-line);
  background: rgba(25, 24, 43, 0.56);
}

.button--quiet:hover {
  border-color: var(--color-cyan);
}

.skip-link {
  position: fixed;
  z-index: 10000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-200%);
  border: var(--border-cyan);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

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

.card {
  position: relative;
  min-width: 0;
  padding: var(--space-6);
  border: var(--border-default);
  border-radius: var(--radius-hud);
  background: var(--color-surface);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--color-cyan);
}

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

:is(.panel, .card, .surface, .surface--raised, .stack, .cluster, .actions) > :last-child {
  margin-bottom: 0;
}

@media (max-width: 1199px) {
  :root {
    --container-padding: 1.25rem;
    --section-space: 5rem;
  }

  h3 {
    font-size: clamp(2rem, 4vw, 2.5rem);
  }
}

@media (max-width: 899px) {
  :root {
    --section-space: 4rem;
  }

  h1 {
    font-size: clamp(2.5rem, 9vw, 4.25rem);
    line-height: 1;
  }

  h2 {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  h3 {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
  }

  .panel,
  .card {
    padding: var(--space-4);
  }
}

@media (max-width: 479px) {
  :root {
    --container-padding: 1rem;
    --section-space: 3.5rem;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 3.4rem);
  }

  h2 {
    font-size: clamp(1.875rem, 9vw, 2.5rem);
  }

  h3 {
    font-size: 1.75rem;
  }

  h4 {
    font-size: 1.5rem;
  }

  .actions {
    align-items: stretch;
  }

  .actions > .button {
    width: 100%;
    flex-basis: 100%;
  }

  .button {
    width: 100%;
  }
}

@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;
  }

  .card:hover {
    transform: none;
  }
}