:root {
  --color-charcoal-900: #1a1a1a;
  --color-charcoal-700: #2d2d2d;
  --color-copper-500: #b87333;
  --color-forest-700: #1e3d2f;
  --color-ivory-100: #f5f0e6;
  --color-ivory-200: #e8e0d0;
  --color-copper-300: #d48a4a;
  --color-forest-900: #142a20;
  --font-heading: Georgia, serif;
  --font-body: "Helvetica Neue", Arial, sans-serif;
  --text-display: 4.5rem;
  --text-h1: 3rem;
  --text-h2: 2.25rem;
  --text-h3: 1.75rem;
  --text-h4: 1.375rem;
  --text-body-large: 1.125rem;
  --text-body: 1rem;
  --text-caption: 0.875rem;
  --text-overline: 0.75rem;
  --leading-display: 1.1;
  --leading-h1: 1.2;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-h4: 1.5;
  --leading-body-large: 1.6;
  --leading-body: 1.6;
  --leading-caption: 1.5;
  --leading-overline: 1.4;
  --tracking-overline: 0.125em;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --container-max: 75rem;
  --container-gutter: 1.5rem;
  --surface-primary: var(--color-charcoal-900);
  --surface-secondary: var(--color-charcoal-700);
  --surface-felt: var(--color-forest-700);
  --surface-deep: var(--color-forest-900);
  --border-thin: 0.0625rem;
  --border-accent: 0.0625rem solid var(--color-copper-500);
  --shadow-warm: 0 0.25rem 1rem rgba(0, 0, 0, 0.5), 0 0 0 0.0625rem rgba(184, 115, 51, 0.15);
  --shadow-warm-hover: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.6), 0 0 0 0.0625rem rgba(184, 115, 51, 0.3);
  --radius-none: 0;
  --radius-card: 0.25rem;
  --radius-button: 0.5rem;
  --radius-panel: 0.75rem;
  --radius-table: 1rem;
  --transition-fast: 0.2s ease-in-out;
  --focus-ring: 0 0 0 0.1875rem rgba(212, 138, 74, 0.5);
}

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

html {
  font-size: 100%;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-ivory-100);
  background-color: var(--surface-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: var(--leading-h1);
  color: var(--color-ivory-100);
  text-wrap: balance;
}

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

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

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

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

h5 {
  font-size: var(--text-body-large);
  line-height: var(--leading-body-large);
}

h6 {
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

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

ul,
ol {
  margin: 0 0 var(--space-md);
  padding-inline-start: var(--space-lg);
}

li {
  margin: 0;
}

blockquote {
  margin: 0 0 var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-inline-start: var(--border-thin) solid var(--color-copper-500);
  background-color: var(--surface-secondary);
  border-radius: var(--radius-card);
  color: var(--color-ivory-200);
}

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

figcaption {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--color-ivory-200);
  margin-top: var(--space-xs);
}

a {
  color: var(--color-copper-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-copper-300);
}

a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-card);
}

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

img,
video {
  object-fit: cover;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  margin: 0;
}

button {
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: inherit;
  color: inherit;
  font: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-card);
}

input,
select,
textarea {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--surface-secondary);
  border: var(--border-thin) solid var(--color-charcoal-700);
  border-radius: var(--radius-card);
  color: var(--color-ivory-100);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-ivory-200);
  opacity: 0.7;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-copper-500);
  box-shadow: var(--focus-ring);
}

select {
  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 fill='%23b87333' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-inline-end: var(--space-xl);
}

textarea {
  resize: vertical;
  min-height: 7.5rem;
}

label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--color-ivory-200);
}

fieldset {
  margin: 0 0 var(--space-md);
  padding: var(--space-md);
  border: var(--border-thin) solid var(--color-charcoal-700);
  border-radius: var(--radius-card);
}

legend {
  padding: 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-body);
  color: var(--color-ivory-100);
}

hr {
  border: none;
  border-top: var(--border-thin) solid var(--color-copper-500);
  margin: var(--space-lg) 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-md);
  font-size: var(--text-body);
}

th,
td {
  padding: var(--space-sm) var(--space-md);
  text-align: start;
  border-bottom: var(--border-thin) solid var(--color-charcoal-700);
}

th {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--color-ivory-100);
  background-color: var(--surface-secondary);
}

caption {
  font-size: var(--text-caption);
  color: var(--color-ivory-200);
  margin-bottom: var(--space-sm);
  text-align: start;
}

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

.section {
  padding-block: var(--space-4xl);
}

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

.surface-card {
  background-color: var(--surface-secondary);
  border: var(--border-thin) solid var(--color-charcoal-700);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  box-shadow: var(--shadow-warm);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.surface-card:hover {
  box-shadow: var(--shadow-warm-hover);
  transform: translateY(-0.125rem);
}

.surface-panel {
  background-color: var(--surface-secondary);
  border: var(--border-thin) solid var(--color-copper-500);
  border-radius: var(--radius-panel);
  padding: var(--space-xl);
}

.surface-felt {
  background-color: var(--surface-felt);
  border: var(--border-thin) solid var(--color-copper-500);
  border-radius: var(--radius-table);
  padding: var(--space-xl);
}

.surface-deep {
  background-color: var(--surface-deep);
  border-radius: var(--radius-panel);
  padding: var(--space-xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  min-height: 2.75rem;
  background-color: transparent;
  border: var(--border-thin) solid var(--color-copper-500);
  border-radius: var(--radius-button);
  color: var(--color-copper-500);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.0625em;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  background-color: var(--color-copper-500);
  color: var(--color-charcoal-900);
  border-color: var(--color-copper-500);
  transform: scale(1.02);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--solid {
  background-color: var(--color-copper-500);
  color: var(--color-charcoal-900);
  border-color: var(--color-copper-500);
}

.btn--solid:hover {
  background-color: var(--color-copper-300);
  border-color: var(--color-copper-300);
  color: var(--color-charcoal-900);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-ivory-100);
  border-color: var(--color-charcoal-700);
}

.btn--ghost:hover {
  background-color: var(--surface-secondary);
  border-color: var(--color-copper-500);
  color: var(--color-copper-500);
}

.overline {
  display: inline-block;
  font-size: var(--text-overline);
  line-height: var(--leading-overline);
  letter-spacing: var(--tracking-overline);
  text-transform: uppercase;
  color: var(--color-copper-500);
  margin-bottom: var(--space-sm);
}

.display {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-display);
  font-weight: 400;
  color: var(--color-ivory-100);
  margin-bottom: var(--space-md);
  text-wrap: balance;
}

.divider-copper {
  border: none;
  border-top: var(--border-thin) solid var(--color-copper-500);
  margin: var(--space-lg) 0;
  opacity: 0.6;
}

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

.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-xs {
  gap: var(--space-xs);
}

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

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

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

.flex--gap-2xl {
  gap: var(--space-2xl);
}

.flex--gap-3xl {
  gap: var(--space-3xl);
}

.grid-auto {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

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

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

.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space-md);
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-copper-500);
  color: var(--color-charcoal-900);
  border-radius: var(--radius-card);
  transition: top var(--transition-fast);
}

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

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

@media (max-width: 64rem) {
  :root {
    --text-display: 3.5rem;
    --text-h1: 2.5rem;
    --text-h2: 2rem;
    --text-h3: 1.5rem;
    --text-h4: 1.25rem;
  }

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

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

@media (max-width: 48rem) {
  :root {
    --text-display: 2.75rem;
    --text-h1: 2rem;
    --text-h2: 1.75rem;
    --text-h3: 1.375rem;
    --text-h4: 1.125rem;
    --container-gutter: 1rem;
  }

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

  .surface-card,
  .surface-panel,
  .surface-felt,
  .surface-deep {
    padding: var(--space-md);
  }

  .btn {
    min-height: 2.75rem;
  }
}

@media (max-width: 30rem) {
  :root {
    --text-display: 2.25rem;
    --text-h1: 1.75rem;
    --text-h2: 1.5rem;
    --text-h3: 1.25rem;
    --text-h4: 1.125rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}