:root {
  --color-asphalt: #0a0b0e;
  --color-canyon: #111317;
  --color-strata: #1b1e25;
  --color-steel: #2c323f;
  --color-ember: #c85724;
  --color-ember-bright: #d46328;
  --color-felt: #14261d;
  --color-felt-light: #193125;
  --color-chalk: #e2e5eb;
  --color-smoke: #838a96;
  --color-void: #050608;

  --font-heading: 'Bebas Neue', 'Oswald', 'Impact', sans-serif;
  --font-body: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
  --font-mono: 'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;

  --text-display-size: clamp(2.5rem, 8vw, 4.5rem);
  --text-display-leading: 1;
  --text-display-tracking: -0.02em;

  --text-h1-size: clamp(2rem, 6vw, 3.5rem);
  --text-h1-leading: 1.05;
  --text-h1-tracking: -0.01em;

  --text-h2-size: clamp(1.75rem, 4.5vw, 2.5rem);
  --text-h2-leading: 1.1;
  --text-h2-tracking: 0;

  --text-h3-size: clamp(1.5rem, 3vw, 1.75rem);
  --text-h3-leading: 1.2;
  --text-h3-tracking: 0.01em;

  --text-h4-size: 1.25rem;
  --text-h4-leading: 1.3;
  --text-h4-tracking: 0.02em;

  --text-body-large-size: 1.125rem;
  --text-body-large-leading: 1.6;
  --text-body-large-tracking: 0.01em;

  --text-body-size: 1rem;
  --text-body-leading: 1.6;
  --text-body-tracking: 0.01em;

  --text-body-small-size: 0.875rem;
  --text-body-small-leading: 1.5;
  --text-body-small-tracking: 0.02em;

  --text-caption-size: 0.75rem;
  --text-caption-leading: 1.4;
  --text-caption-tracking: 0.03em;

  --text-mono-size: 0.875rem;
  --text-mono-leading: 1.4;
  --text-mono-tracking: 0.05em;

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  --container-max: 1280px;
  --container-pad-mobile: 24px;
  --container-pad-desktop: 48px;

  --surface-asphalt: var(--color-asphalt);
  --surface-canyon: var(--color-canyon);
  --surface-strata: var(--color-strata);

  --border-default: 1px solid var(--color-steel);
  --border-focus: 2px solid var(--color-ember);
  --focus-offset: 2px;

  --shadow-deep: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-overlay: rgba(5, 6, 8, 0.9);

  --radius-default: 0px;
  --radius-small: 2px;
  --radius-round: 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: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-chalk);
  margin-block-end: var(--space-md);
}

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

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

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

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

h5,
h6 {
  font-size: var(--text-h4-size);
  line-height: var(--text-h4-leading);
  letter-spacing: var(--text-h4-tracking);
  margin-block-end: var(--space-sm);
}

p {
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-leading);
  letter-spacing: var(--text-body-tracking);
  color: var(--color-chalk);
  margin-block-end: var(--space-md);
}

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

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

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
  border-inline-start: 2px solid var(--color-ember);
  color: var(--color-smoke);
  font-style: italic;
}

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

figcaption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-smoke);
  margin-block-start: var(--space-xs);
}

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

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

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

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: var(--border-focus);
  outline-offset: var(--focus-offset);
}

input,
textarea,
select {
  background-color: var(--color-asphalt);
  border: var(--border-default);
  color: var(--color-chalk);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-default);
  font-size: var(--text-body-size);
  line-height: var(--text-body-leading);
  letter-spacing: var(--text-body-tracking);
  transition: border-color var(--transition-fast);
}

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

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-ember);
  outline: none;
}

label {
  display: block;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-smoke);
  margin-block-end: var(--space-xs);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--text-mono-size);
  line-height: var(--text-mono-leading);
  letter-spacing: var(--text-mono-tracking);
  margin-block-end: var(--space-md);
}

th,
td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: var(--border-default);
  text-align: start;
}

th {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-smoke);
  background-color: var(--color-canyon);
}

tr:nth-child(even) td {
  background-color: var(--color-canyon);
}

tr:nth-child(odd) td {
  background-color: var(--color-strata);
}

hr {
  border: none;
  border-block-start: var(--border-default);
  margin-block: var(--space-lg);
}

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

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

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

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-3xl);
  }
}

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

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

.card {
  background-color: var(--color-canyon);
  border: var(--border-default);
  border-radius: var(--radius-default);
  padding: var(--space-lg);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-default);
  font-family: var(--font-heading);
  font-size: var(--text-body-size);
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  min-height: 48px;
  min-width: 48px;
}

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

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

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

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

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

.btn-tertiary {
  background: none;
  border: none;
  color: var(--color-ember);
  text-decoration: underline;
  text-underline-offset: 4px;
  padding-inline: 0;
}

.btn-tertiary:hover {
  color: var(--color-ember-bright);
}

.badge {
  display: inline-block;
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-small);
  font-family: var(--font-mono);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-chalk);
  background-color: var(--color-strata);
  border: var(--border-default);
}

.badge-ember {
  background-color: var(--color-ember);
  border-color: var(--color-ember);
  color: var(--color-chalk);
}

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

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

.caption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-smoke);
}

.smoke {
  color: var(--color-smoke);
}

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

.ember {
  color: var(--color-ember);
}

.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-md);
  z-index: 9999;
  background-color: var(--color-ember);
  color: var(--color-chalk);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-default);
  transition: top var(--transition-fast);
}

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

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

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

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

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

.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-shrink-zero {
  flex-shrink: 0;
}

.flex-shrink-one {
  flex-shrink: 1;
}

.flex-min-zero {
  min-width: 0;
}

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

p:last-child,
h1:last-child,
h2:last-child,
h3:last-child,
h4:last-child,
h5:last-child,
h6:last-child,
ul:last-child,
ol:last-child,
blockquote:last-child,
figure:last-child,
table:last-child,
hr:last-child {
  margin-block-end: 0;
}