:root {
  --color-asphalt: #0B0C0E;
  --color-slate: #131518;
  --color-graphite: #1A1D23;
  --color-steel: #2D3139;
  --color-felt: #1B382B;
  --color-amber: #D97706;
  --color-ember: #E65A28;
  --color-offwhite: #F3F4F6;
  --color-silver: #9CA3AF;

  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --text-display-size: clamp(36px, 5vw, 48px);
  --text-display-line-height: 1.05;
  --text-display-weight: 700;
  --text-display-letter-spacing: -0.02em;

  --text-h1-size: clamp(28px, 4vw, 36px);
  --text-h1-line-height: 1.1;
  --text-h1-weight: 700;
  --text-h1-letter-spacing: -0.01em;

  --text-h2-size: 28px;
  --text-h2-line-height: 1.15;
  --text-h2-weight: 600;
  --text-h2-letter-spacing: 0;

  --text-h3-size: 22px;
  --text-h3-line-height: 1.2;
  --text-h3-weight: 600;
  --text-h3-letter-spacing: 0;

  --text-h4-size: 18px;
  --text-h4-line-height: 1.25;
  --text-h4-weight: 600;
  --text-h4-letter-spacing: 0;

  --text-body-large-size: 17px;
  --text-body-large-line-height: 1.6;
  --text-body-large-weight: 400;
  --text-body-large-letter-spacing: 0;

  --text-body-size: 15px;
  --text-body-line-height: 1.6;
  --text-body-weight: 400;
  --text-body-letter-spacing: 0;

  --text-body-small-size: 13px;
  --text-body-small-line-height: 1.5;
  --text-body-small-weight: 400;
  --text-body-small-letter-spacing: 0;

  --text-mono-data-size: 13px;
  --text-mono-data-line-height: 1.4;
  --text-mono-data-weight: 500;
  --text-mono-data-letter-spacing: 0.02em;

  --text-mono-label-size: 11px;
  --text-mono-label-line-height: 1.3;
  --text-mono-label-weight: 600;
  --text-mono-label-letter-spacing: 0.08em;

  --text-button-size: 14px;
  --text-button-line-height: 1;
  --text-button-weight: 600;
  --text-button-letter-spacing: 0.06em;

  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  --container-max-width: 1200px;
  --container-padding-mobile: 24px;
  --container-padding-desktop: 40px;

  --radius-default: 2px;
  --radius-sharp: 0px;
  --radius-circle: 50%;

  --border-default: 1px solid var(--color-steel);
  --border-active: 1px solid var(--color-amber);
  --border-focus: 2px solid var(--color-amber);

  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 0 0 1px var(--color-steel);

  --transition-fast: 150ms ease-out;
  --transition-medium: 200ms ease-out;
  --transition-slow: 300ms ease-out;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  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);
  color: var(--color-offwhite);
  background-color: var(--color-asphalt);
  min-height: 100vh;
  min-width: 320px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

a {
  color: var(--color-amber);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-ember);
}

ul,
ol {
  list-style: none;
}

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

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

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

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

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

p {
  margin-block-end: var(--space-md);
}

p:last-child {
  margin-block-end: 0;
}

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-md);
  border-inline-start: 2px solid var(--color-amber);
  color: var(--color-silver);
}

blockquote:last-child {
  margin-block-end: 0;
}

ul:not([class]),
ol:not([class]) {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
}

ul:not([class]):last-child,
ol:not([class]):last-child {
  margin-block-end: 0;
}

ul:not([class]) {
  list-style: disc;
}

ol:not([class]) {
  list-style: decimal;
}

ul:not([class]) li,
ol:not([class]) li {
  margin-block-end: var(--space-xs);
}

ul:not([class]) li:last-child,
ol:not([class]) li:last-child {
  margin-block-end: 0;
}

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

figure:last-child {
  margin-block-end: 0;
}

figcaption {
  font-size: var(--text-body-small-size);
  line-height: var(--text-body-small-line-height);
  color: var(--color-silver);
  margin-block-start: var(--space-xs);
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-steel);
  margin-block: var(--space-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--text-mono-data-size);
  line-height: var(--text-mono-data-line-height);
  font-weight: var(--text-mono-data-weight);
  letter-spacing: var(--text-mono-data-letter-spacing);
}

th,
td {
  text-align: start;
  padding: var(--space-sm) var(--space-md);
  border-block-end: 1px solid var(--color-steel);
}

th {
  background-color: var(--color-steel);
  color: var(--color-offwhite);
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  line-height: var(--text-mono-label-line-height);
  font-weight: var(--text-mono-label-weight);
  letter-spacing: var(--text-mono-label-letter-spacing);
  text-transform: uppercase;
}

tbody tr:nth-child(odd) {
  background-color: var(--color-graphite);
}

tbody tr:nth-child(even) {
  background-color: var(--color-slate);
}

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

input,
textarea,
select {
  width: 100%;
  background-color: var(--color-graphite);
  border: 1px solid var(--color-steel);
  border-radius: var(--radius-default);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-offwhite);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-silver);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-amber);
  box-shadow: 0 0 0 2px var(--color-amber);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-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='%239CA3AF' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-inline-end: var(--space-2xl);
}

:focus-visible {
  outline: var(--border-focus);
  outline-offset: 2px;
}

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

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

.surface-slate {
  background-color: var(--color-slate);
  border: var(--border-default);
  border-radius: var(--radius-default);
}

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

.surface-felt {
  background-color: var(--color-felt);
  border: var(--border-default);
  border-radius: var(--radius-default);
}

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

.btn-primary {
  background-color: var(--color-amber);
  color: var(--color-asphalt);
  border-color: var(--color-amber);
}

.btn-primary:hover {
  background-color: var(--color-ember);
  border-color: var(--color-ember);
  color: var(--color-asphalt);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-offwhite);
  border-color: var(--color-steel);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-graphite);
  border: var(--border-default);
  border-radius: var(--radius-default);
  padding: var(--space-2xs) var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-mono-label-size);
  line-height: var(--text-mono-label-line-height);
  font-weight: var(--text-mono-label-weight);
  letter-spacing: var(--text-mono-label-letter-spacing);
  text-transform: uppercase;
  color: var(--color-silver);
}

.tag-active {
  background-color: var(--color-felt);
  border-color: var(--color-felt);
  color: var(--color-amber);
}

.mono-data {
  font-family: var(--font-mono);
  font-size: var(--text-mono-data-size);
  line-height: var(--text-mono-data-line-height);
  font-weight: var(--text-mono-data-weight);
  letter-spacing: var(--text-mono-data-letter-spacing);
}

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

.flex {
  display: flex;
  gap: var(--space-md);
  min-width: 0;
}

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

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

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

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

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

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

.flex-between {
  align-items: center;
  justify-content: space-between;
}

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

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

.flex-grow {
  flex-grow: 1;
}

.flex-no-shrink {
  flex-shrink: 0;
}

.grid {
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
}

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

.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
}

.section {
  padding-block: var(--space-2xl);
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-3xl);
  }
}

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

.section-loose {
  padding-block: var(--space-3xl);
}

@media (min-width: 1024px) {
  .section-loose {
    padding-block: var(--space-4xl);
  }
}

.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: var(--space-sm);
  left: var(--space-sm);
  z-index: 9999;
  background-color: var(--color-amber);
  color: var(--color-asphalt);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-default);
  font-family: var(--font-heading);
  font-size: var(--text-button-size);
  font-weight: var(--text-button-weight);
  letter-spacing: var(--text-button-letter-spacing);
  text-transform: uppercase;
  transform: translateY(-200%);
  transition: transform var(--transition-medium);
}

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

@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;
  }
}