@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --color-void-black: #08070d;
  --color-violet-base: #17112b;
  --color-violet-panel: #21183a;
  --color-violet-edge: #49356b;
  --color-cyan-signal: #39e7f5;
  --color-pink-action: #ff3d9a;
  --color-green-status: #9cff57;
  --color-paper-text: #f4f1ff;
  --color-mist-text: #c9c1dc;
  --color-muted-text: #9187a8;
  --color-grid-line: #6d4fa3;
  --color-danger-signal: #ff6b7a;

  --color-background: var(--color-void-black);
  --color-surface: var(--color-violet-base);
  --color-surface-raised: var(--color-violet-panel);
  --color-border: var(--color-violet-edge);
  --color-text: var(--color-paper-text);
  --color-text-muted: var(--color-mist-text);
  --color-text-subtle: var(--color-muted-text);
  --color-link: var(--color-cyan-signal);
  --color-focus: var(--color-cyan-signal);
  --color-action: var(--color-pink-action);
  --color-success: var(--color-green-status);
  --color-danger: var(--color-danger-signal);

  --font-heading: "Space Grotesk", Arial, sans-serif;
  --font-body: "IBM Plex Mono", "Courier New", monospace;

  --text-display: clamp(2.625rem, 5.4vw, 4rem);
  --text-h1: clamp(2.25rem, 4.2vw, 3rem);
  --text-h2: clamp(1.75rem, 3vw, 2rem);
  --text-h3: clamp(1.25rem, 2vw, 1.375rem);
  --text-lead: clamp(1.125rem, 1.8vw, 1.3125rem);
  --text-body: 1.0625rem;
  --text-label: 0.6875rem;
  --text-button: 0.75rem;
  --text-rank: clamp(3.5rem, 9vw, 8rem);

  --leading-display: 0.98;
  --leading-heading: 1.1;
  --leading-body: 1.6;
  --leading-lead: 1.45;
  --leading-label: 1.3;

  --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: 5rem;
  --space-10: 7rem;

  --container-max: 77.5rem;
  --container-editorial: 57.5rem;
  --container-reading: 42.5rem;
  --gutter: 2.5rem;

  --border-width: 1px;
  --border: var(--border-width) solid var(--color-border);
  --border-cyan: var(--border-width) solid var(--color-cyan-signal);
  --border-pink: var(--border-width) solid var(--color-pink-action);

  --radius-none: 0;
  --radius-control: 0.125rem;
  --radius-badge: 999px;
  --chamfer: 0.625rem;

  --shadow-cyan: 0 0 18px rgb(57 231 245 / 16%);
  --shadow-pink: 0 0 18px rgb(255 61 154 / 14%);
  --transition-fast: 160ms ease;
  --transition-base: 220ms ease;
}

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

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

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background-color: var(--color-background);
  color: var(--color-text);
  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;
}

body::selection {
  background: var(--color-cyan-signal);
  color: var(--color-void-black);
}

::selection {
  background: var(--color-cyan-signal);
  color: var(--color-void-black);
}

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

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

img,
video {
  height: auto;
}

img {
  object-fit: cover;
}

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

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

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

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

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

a {
  color: var(--color-link);
  text-decoration-color: rgb(57 231 245 / 65%);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition:
    color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-paper-text);
  text-decoration-color: var(--color-cyan-signal);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-5);
  color: var(--color-paper-text);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--text-h1);
  line-height: 1.05;
}

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

h3 {
  font-size: var(--text-h3);
  line-height: 1.2;
  font-weight: 650;
}

h4,
h5,
h6 {
  font-size: 1rem;
  line-height: 1.3;
}

p {
  margin-block: 0 var(--space-5);
  color: var(--color-text-muted);
  overflow-wrap: break-word;
}

ul,
ol {
  margin-block: 0 var(--space-5);
  padding-inline-start: 1.35em;
}

li {
  overflow-wrap: break-word;
}

blockquote {
  margin-block: 0 var(--space-6);
  margin-inline: 0;
  padding: var(--space-5);
  border-inline-start: 2px solid var(--color-cyan-signal);
  background: rgb(33 24 58 / 55%);
  color: var(--color-paper-text);
}

blockquote p {
  color: inherit;
}

blockquote cite {
  display: block;
  margin-block-start: var(--space-3);
  color: var(--color-mist-text);
  font-size: 0.8125rem;
  font-style: normal;
}

hr {
  height: 1px;
  margin-block: var(--space-6);
  border: 0;
  background: linear-gradient(
    90deg,
    var(--color-cyan-signal) 0,
    var(--color-cyan-signal) 12%,
    var(--color-violet-edge) 12%,
    var(--color-violet-edge) 100%
  );
}

pre,
code,
kbd,
samp {
  font-family: var(--font-body);
}

pre {
  max-width: 100%;
  margin-block: 0 var(--space-5);
  padding: var(--space-4);
  overflow: auto;
  border: var(--border);
  background: var(--color-violet-panel);
  color: var(--color-mist-text);
}

code {
  overflow-wrap: anywhere;
}

small {
  font-size: 0.8125em;
}

strong {
  color: var(--color-paper-text);
  font-weight: 600;
}

em {
  color: var(--color-paper-text);
}

address {
  margin-block: 0 var(--space-5);
  color: var(--color-text-muted);
  font-style: normal;
}

dl,
dd {
  margin: 0;
}

dt {
  color: var(--color-paper-text);
  font-weight: 600;
}

dd {
  margin-block-end: var(--space-4);
  color: var(--color-mist-text);
}

caption {
  margin-block-end: var(--space-3);
  color: var(--color-mist-text);
  text-align: left;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-paper-text);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

:where(article, section, aside, .panel, .card, .content-group) > :last-child {
  margin-block-end: 0;
}

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

.container-editorial {
  max-width: var(--container-editorial);
}

.container-reading {
  max-width: var(--container-reading);
}

.section {
  padding-block: var(--space-10);
}

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

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

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-5);
}

.stack--tight {
  gap: var(--space-3);
}

.stack--compact {
  gap: var(--space-4);
}

.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;
}

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

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

.content-list {
  display: grid;
  gap: var(--space-3);
  margin-block: 0 var(--space-5);
  padding-inline-start: 1.35em;
}

.content-list--spacious {
  gap: var(--space-4);
}

.eyebrow,
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  color: var(--color-cyan-signal);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

.eyebrow::before,
.label::before {
  width: 0.5rem;
  height: 1px;
  flex: 0 0 auto;
  background: currentColor;
  content: "";
}

.display {
  margin-block: 0 var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: var(--leading-display);
}

.lead {
  margin-block: 0 var(--space-5);
  color: var(--color-paper-text);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

.text-muted {
  color: var(--color-mist-text);
}

.text-subtle {
  color: var(--color-muted-text);
}

.text-cyan {
  color: var(--color-cyan-signal);
}

.text-pink {
  color: var(--color-pink-action);
}

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

.rank {
  margin: 0;
  color: var(--color-cyan-signal);
  font-family: var(--font-heading);
  font-size: var(--text-rank);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.85;
}

.panel {
  position: relative;
  min-width: 0;
  padding: var(--space-5);
  border: var(--border);
  background: var(--color-violet-panel);
  clip-path: polygon(
    0 0,
    calc(100% - var(--chamfer)) 0,
    100% var(--chamfer),
    100% 100%,
    0 100%
  );
}

.panel--base {
  background: var(--color-violet-base);
}

.panel--cyan {
  border-color: var(--color-cyan-signal);
}

.panel--pink {
  border-color: var(--color-pink-action);
}

.panel--outlined {
  background: transparent;
}

.panel--active {
  border-color: var(--color-cyan-signal);
  box-shadow: var(--shadow-cyan);
}

.panel--action {
  border-color: var(--color-pink-action);
  box-shadow: var(--shadow-pink);
}

.rule {
  display: block;
  width: 100%;
  height: 1px;
  border: 0;
  background: linear-gradient(
    90deg,
    var(--color-cyan-signal) 0,
    var(--color-cyan-signal) 10%,
    var(--color-violet-edge) 10%,
    var(--color-violet-edge) 100%
  );
}

.rule--pink {
  background: linear-gradient(
    90deg,
    var(--color-pink-action) 0,
    var(--color-pink-action) 10%,
    var(--color-violet-edge) 10%,
    var(--color-violet-edge) 100%
  );
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  min-height: 1.625rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-badge);
  color: var(--color-green-status);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.status::before {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  content: "";
}

.status--cyan {
  color: var(--color-cyan-signal);
}

.status--pink {
  color: var(--color-pink-action);
}

.status--danger {
  color: var(--color-danger-signal);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-cyan-signal);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-cyan-signal);
  font-family: var(--font-body);
  font-size: var(--text-button);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.button:hover {
  border-color: var(--color-paper-text);
  background: rgb(57 231 245 / 10%);
  box-shadow: var(--shadow-cyan);
  color: var(--color-paper-text);
  transform: translateY(-1px);
}

.button--primary {
  border-color: var(--color-pink-action);
  background: var(--color-pink-action);
  color: var(--color-void-black);
}

.button--primary:hover {
  border-color: var(--color-paper-text);
  background: #ff63ad;
  box-shadow: var(--shadow-pink);
  color: var(--color-void-black);
}

.button--success {
  border-color: var(--color-green-status);
  background: var(--color-green-status);
  color: var(--color-void-black);
}

.button--success:hover {
  border-color: var(--color-paper-text);
  background: #b4ff82;
  box-shadow: 0 0 18px rgb(156 255 87 / 14%);
  color: var(--color-void-black);
}

.button--quiet {
  border-color: var(--color-violet-edge);
  color: var(--color-paper-text);
}

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

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

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

.field {
  display: grid;
  gap: var(--space-2);
}

.field label,
.field-label {
  color: var(--color-paper-text);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: var(--leading-label);
  text-transform: uppercase;
}

.field-help {
  margin: 0;
  color: var(--color-muted-text);
  font-size: 0.75rem;
  line-height: 1.45;
}

.input,
.select,
.textarea,
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.75rem 0.875rem;
  border: var(--border);
  border-radius: var(--radius-control);
  background: var(--color-violet-panel);
  color: var(--color-paper-text);
  line-height: 1.4;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

textarea,
.textarea {
  min-height: 8rem;
}

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

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-cyan-signal);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-cyan-signal);
  box-shadow: 0 0 0 1px rgb(57 231 245 / 24%);
  outline: none;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--color-danger-signal);
}

.field-error {
  margin: 0;
  color: var(--color-danger-signal);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.field-success {
  margin: 0;
  color: var(--color-green-status);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.check-field {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 0;
}

.check-field input {
  width: 1.125rem;
  height: 1.125rem;
  flex: 0 0 auto;
  margin: 0.15rem 0 0;
  accent-color: var(--color-pink-action);
}

.check-field label {
  min-width: 0;
  color: var(--color-mist-text);
  font-size: 0.875rem;
  line-height: 1.5;
}

.figure-frame {
  position: relative;
  overflow: hidden;
  border: var(--border);
  background: var(--color-violet-panel);
  clip-path: polygon(
    0 0,
    calc(100% - var(--chamfer)) 0,
    100% var(--chamfer),
    100% 100%,
    0 100%
  );
}

.figure-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.figure-frame figcaption {
  padding: var(--space-3) var(--space-4);
  border-top: var(--border);
  color: var(--color-mist-text);
  font-size: 0.75rem;
  line-height: 1.45;
}

.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;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-200%);
  border: 1px solid var(--color-cyan-signal);
  background: var(--color-void-black);
  color: var(--color-paper-text);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

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

@media (max-width: 64rem) {
  :root {
    --gutter: 1.75rem;
  }

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

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

@media (max-width: 40rem) {
  :root {
    --gutter: 1rem;
    --text-body: 1rem;
  }

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

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

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

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

  .button-group .button {
    flex: 1 1 12rem;
  }

  th,
  td {
    padding: var(--space-3);
  }
}

@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;
  }

  .button:hover {
    transform: none;
  }
}