:root {
  --color-obsidian: #0B0C0E;
  --color-graphite: #16181C;
  --color-iron: #2A2E35;
  --color-concrete: #6B7280;
  --color-chalk: #F2F4F6;
  --color-felt: #0E7C7B;
  --color-felt-dim: #0A5F5E;
  --color-amber: #D97A2B;
  --color-amber-dim: #A85A1E;
  --color-error: #C44536;

  --font-heading: 'Space Grotesk', 'IBM Plex Sans', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;

  --text-display-size: clamp(2rem, 5vw + 1rem, 3.5rem);
  --text-display-line-height: 1.05;
  --text-display-letter-spacing: -0.02em;
  --text-display-weight: 500;

  --text-h1-size: clamp(1.75rem, 4vw + 0.75rem, 2.5rem);
  --text-h1-line-height: 1.1;
  --text-h1-letter-spacing: -0.01em;
  --text-h1-weight: 500;

  --text-h2-size: clamp(1.5rem, 3vw + 0.5rem, 2rem);
  --text-h2-line-height: 1.15;
  --text-h2-letter-spacing: 0;
  --text-h2-weight: 500;

  --text-h3-size: clamp(1.25rem, 2vw + 0.5rem, 1.5rem);
  --text-h3-line-height: 1.2;
  --text-h3-letter-spacing: 0;
  --text-h3-weight: 500;

  --text-h4-size: 1.25rem;
  --text-h4-line-height: 1.25;
  --text-h4-letter-spacing: 0;
  --text-h4-weight: 500;

  --text-body-large-size: 1.125rem;
  --text-body-large-line-height: 1.6;
  --text-body-large-letter-spacing: 0;
  --text-body-large-weight: 400;

  --text-body-size: 1rem;
  --text-body-line-height: 1.6;
  --text-body-letter-spacing: 0;
  --text-body-weight: 400;

  --text-body-small-size: 0.875rem;
  --text-body-small-line-height: 1.5;
  --text-body-small-letter-spacing: 0;
  --text-body-small-weight: 400;

  --text-label-size: 0.75rem;
  --text-label-line-height: 1.4;
  --text-label-letter-spacing: 0.08em;
  --text-label-weight: 500;

  --text-caption-size: 0.6875rem;
  --text-caption-line-height: 1.4;
  --text-caption-letter-spacing: 0.06em;
  --text-caption-weight: 400;

  --text-button-size: 0.875rem;
  --text-button-line-height: 1;
  --text-button-letter-spacing: 0.06em;
  --text-button-weight: 500;

  --space-2: 2px;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-96: 96px;
  --space-128: 128px;

  --container-max: 1200px;
  --container-padding-mobile: 24px;
  --container-padding-desktop: 48px;
  --gutter: 24px;

  --border-hairline: 1px solid var(--color-iron);
  --border-focus: 2px solid var(--color-felt);
  --focus-offset: 2px;

  --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.6);

  --radius-default: 0;
  --radius-circle: 50%;

  --transition-fast: 150ms ease-out;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: auto;
}

body {
  min-height: 100vh;
  background-color: var(--color-obsidian);
  color: var(--color-chalk);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: var(--text-body-weight);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--text-h1-weight);
  color: var(--color-chalk);
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

h1 {
  font-size: var(--text-h1-size);
  line-height: var(--text-h1-line-height);
  letter-spacing: var(--text-h1-letter-spacing);
  margin-block-end: var(--space-16);
}

h2 {
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-line-height);
  letter-spacing: var(--text-h2-letter-spacing);
  margin-block-end: var(--space-16);
}

h3 {
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
  letter-spacing: var(--text-h3-letter-spacing);
  margin-block-end: var(--space-12);
}

h4 {
  font-size: var(--text-h4-size);
  line-height: var(--text-h4-line-height);
  letter-spacing: var(--text-h4-letter-spacing);
  margin-block-end: var(--space-8);
}

h5,
h6 {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  margin-block-end: var(--space-8);
}

p {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  margin-block-end: var(--space-16);
}

blockquote {
  margin-block-end: var(--space-16);
  padding-inline-start: var(--space-16);
  border-inline-start: 1px solid var(--color-iron);
  color: var(--color-concrete);
}

ul,
ol {
  margin-block-end: var(--space-16);
  padding-inline-start: var(--space-24);
}

ul {
  list-style: disc;
}

ol {
  list-style: decimal;
}

li {
  line-height: var(--text-body-line-height);
}

dl {
  margin-block-end: var(--space-16);
}

dt {
  font-family: var(--font-mono);
  font-size: var(--text-label-size);
  text-transform: uppercase;
  letter-spacing: var(--text-label-letter-spacing);
  color: var(--color-concrete);
  margin-block-end: var(--space-4);
}

dd {
  margin-block-end: var(--space-12);
  margin-inline-start: 0;
}

figure {
  margin-block-end: var(--space-24);
}

figcaption {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  text-transform: uppercase;
  letter-spacing: var(--text-caption-letter-spacing);
  color: var(--color-concrete);
  margin-block-start: var(--space-8);
}

hr {
  border: none;
  border-block-start: var(--border-hairline);
  margin-block: var(--space-32);
}

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

pre {
  background-color: var(--color-graphite);
  border: var(--border-hairline);
  padding: var(--space-16);
  overflow-x: auto;
  margin-block-end: var(--space-16);
}

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

strong {
  font-weight: 500;
}

em {
  font-style: italic;
}

abbr[title] {
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

mark {
  background-color: var(--color-amber);
  color: var(--color-obsidian);
  padding-inline: var(--space-2);
}

sub,
sup {
  font-size: 0.75em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

address {
  font-style: normal;
  color: var(--color-concrete);
  margin-block-end: var(--space-16);
}

:focus-visible {
  outline: var(--border-focus);
  outline-offset: var(--focus-offset);
}

::selection {
  background-color: var(--color-felt);
  color: var(--color-chalk);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }
}

.section {
  padding-block: var(--space-48);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-64);
  }
}

.section--major {
  padding-block: var(--space-96);
}

.section--hero {
  padding-block: var(--space-128);
}

.surface-graphite {
  background-color: var(--color-graphite);
}

.surface-obsidian {
  background-color: var(--color-obsidian);
}

.border-hairline {
  border: var(--border-hairline);
}

.border-hairline-top {
  border-block-start: var(--border-hairline);
}

.border-hairline-bottom {
  border-block-end: var(--border-hairline);
}

.divider {
  border: none;
  border-block-start: var(--border-hairline);
  margin-block: var(--space-24);
}

.label {
  font-family: var(--font-mono);
  font-size: var(--text-label-size);
  line-height: var(--text-label-line-height);
  letter-spacing: var(--text-label-letter-spacing);
  font-weight: var(--text-label-weight);
  text-transform: uppercase;
  color: var(--color-concrete);
}

.caption {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-letter-spacing);
  font-weight: var(--text-caption-weight);
  text-transform: uppercase;
  color: var(--color-concrete);
}

.text-chalk {
  color: var(--color-chalk);
}

.text-concrete {
  color: var(--color-concrete);
}

.text-felt {
  color: var(--color-felt);
}

.text-amber {
  color: var(--color-amber);
}

.text-error {
  color: var(--color-error);
}

.display {
  font-family: var(--font-heading);
  font-size: var(--text-display-size);
  line-height: var(--text-display-line-height);
  letter-spacing: var(--text-display-letter-spacing);
  font-weight: var(--text-display-weight);
  color: var(--color-chalk);
  margin-block-end: var(--space-16);
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

.body-large {
  font-size: var(--text-body-large-size);
  line-height: var(--text-body-large-line-height);
  letter-spacing: var(--text-body-large-letter-spacing);
  font-weight: var(--text-body-large-weight);
}

.body-small {
  font-size: var(--text-body-small-size);
  line-height: var(--text-body-small-line-height);
  letter-spacing: var(--text-body-small-letter-spacing);
  font-weight: var(--text-body-small-weight);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-button-size);
  line-height: var(--text-button-line-height);
  letter-spacing: var(--text-button-letter-spacing);
  font-weight: var(--text-button-weight);
  text-transform: uppercase;
  padding: var(--space-12) var(--space-24);
  border: 1px solid transparent;
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  text-align: center;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: var(--border-focus);
  outline-offset: var(--focus-offset);
}

.btn--primary {
  background-color: var(--color-felt);
  color: var(--color-chalk);
  border-color: var(--color-felt);
}

.btn--primary:hover {
  background-color: var(--color-felt-dim);
  border-color: var(--color-felt-dim);
}

.btn--primary:active {
  background-color: var(--color-felt-dim);
  border-color: var(--color-felt-dim);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-chalk);
  border-color: var(--color-iron);
}

.btn--secondary:hover {
  border-color: var(--color-felt);
  color: var(--color-felt);
}

.btn--secondary:active {
  border-color: var(--color-felt-dim);
  color: var(--color-felt-dim);
}

.btn--destructive {
  background-color: transparent;
  color: var(--color-error);
  border-color: var(--color-error);
}

.btn--destructive:hover {
  border-color: var(--color-error);
  color: var(--color-error);
  background-color: rgba(196, 69, 54, 0.08);
}

.btn--destructive:active {
  border-color: var(--color-error);
  color: var(--color-error);
  background-color: rgba(196, 69, 54, 0.12);
}

.btn--block {
  display: flex;
  width: 100%;
}

@media (max-width: 767px) {
  .btn--block-mobile {
    display: flex;
    width: 100%;
  }
}

.card {
  background-color: var(--color-graphite);
  border: var(--border-hairline);
  border-radius: var(--radius-default);
  padding: var(--space-24);
}

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

.panel {
  background-color: var(--color-graphite);
  border: var(--border-hairline);
  border-radius: var(--radius-default);
  padding: var(--space-24);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-letter-spacing);
  font-weight: var(--text-caption-weight);
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-default);
  color: var(--color-concrete);
}

.badge--felt {
  color: var(--color-felt);
  border-color: var(--color-felt);
}

.badge--amber {
  color: var(--color-amber);
  border-color: var(--color-amber);
}

.badge--error {
  color: var(--color-error);
  border-color: var(--color-error);
}

.form-field {
  display: block;
  width: 100%;
  background-color: var(--color-graphite);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-default);
  padding: var(--space-12);
  color: var(--color-chalk);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

.form-field::placeholder {
  color: var(--color-concrete);
}

.form-field:focus {
  outline: none;
  border-color: var(--color-felt);
  box-shadow: 0 0 0 1px var(--color-felt);
}

.form-field--error {
  border-color: var(--color-error);
}

.form-field--error:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 1px var(--color-error);
}

textarea.form-field {
  resize: vertical;
  min-height: 120px;
}

select.form-field {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  padding-inline-end: var(--space-32);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-label-size);
  line-height: var(--text-label-line-height);
  letter-spacing: var(--text-label-letter-spacing);
  font-weight: var(--text-label-weight);
  text-transform: uppercase;
  color: var(--color-concrete);
  margin-block-end: var(--space-8);
}

.form-group {
  margin-block-end: var(--space-16);
}

.form-group > :last-child {
  margin-block-end: 0;
}

.form-error {
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-letter-spacing);
  text-transform: uppercase;
  color: var(--color-error);
  margin-block-start: var(--space-4);
}

.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--border-hairline);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--text-body-small-size);
  line-height: var(--text-body-small-line-height);
  letter-spacing: 0;
  color: var(--color-chalk);
}

.table th {
  font-family: var(--font-mono);
  font-size: var(--text-label-size);
  line-height: var(--text-label-line-height);
  letter-spacing: var(--text-label-letter-spacing);
  font-weight: var(--text-label-weight);
  text-transform: uppercase;
  color: var(--color-concrete);
  text-align: start;
  padding: var(--space-12) var(--space-16);
  border-block-end: var(--border-hairline);
  white-space: nowrap;
}

.table td {
  padding: var(--space-12) var(--space-16);
  border-block-end: var(--border-hairline);
  text-align: start;
  vertical-align: top;
}

.table tbody tr:last-child td {
  border-block-end: none;
}

.table tbody tr:hover td {
  background-color: var(--color-graphite);
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.flex > * {
  min-width: 0;
  flex-shrink: 1;
}

.flex--nowrap {
  flex-wrap: nowrap;
}

.flex--column {
  flex-direction: column;
}

.flex--align-center {
  align-items: center;
}

.flex--align-start {
  align-items: flex-start;
}

.flex--align-end {
  align-items: flex-end;
}

.flex--justify-center {
  justify-content: center;
}

.flex--justify-between {
  justify-content: space-between;
}

.flex--justify-end {
  justify-content: flex-end;
}

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

.flex--gap-8 {
  gap: var(--space-8);
}

.flex--gap-12 {
  gap: var(--space-12);
}

.flex--gap-24 {
  gap: var(--space-24);
}

.flex--gap-32 {
  gap: var(--space-32);
}

.flex--gap-48 {
  gap: var(--space-48);
}

.content-list {
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: var(--space-16);
}

.content-list li {
  padding-block: var(--space-8);
  border-block-end: var(--border-hairline);
}

.content-list li:last-child {
  border-block-end: none;
  padding-block-end: 0;
}

.content-list > :last-child {
  margin-block-end: 0;
}

.scrim {
  background-color: rgba(11, 12, 14, 0.2);
}

.overlay {
  background-color: rgba(11, 12, 14, 0.85);
}

.modal-panel {
  background-color: var(--color-obsidian);
  border: var(--border-hairline);
  border-radius: var(--radius-default);
  padding: var(--space-32);
  box-shadow: var(--shadow-modal);
}

.modal-panel > :last-child {
  margin-block-end: 0;
}

@media (max-width: 767px) {
  .modal-panel {
    padding: var(--space-24);
  }
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-16);
  z-index: 10000;
  background-color: var(--color-felt);
  color: var(--color-chalk);
  font-family: var(--font-mono);
  font-size: var(--text-button-size);
  text-transform: uppercase;
  letter-spacing: var(--text-button-letter-spacing);
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-default);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-16);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}