:root {
  --color-limestone: #E8E1D5;
  --color-ivory: #F4EFE6;
  --color-graphite: #2E2C29;
  --color-deep-charcoal: #1B1C1E;
  --color-brick-red: #8C3A2E;
  --color-dark-walnut: #4A3528;
  --color-muted-steel: #8A8B86;
  --color-steel-line: #C9C3B8;
  --color-on-dark-muted: #B9B3A8;
  --color-focus-ring: #B4553F;

  --font-heading: "Neue Haas Grotesk Display Pro", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;

  --text-display: clamp(3.25rem, 8vw, 7.5rem);
  --text-h1: clamp(2.5rem, 5.5vw, 5rem);
  --text-h2: clamp(1.75rem, 3.2vw, 3rem);
  --text-h3: clamp(1.25rem, 1.8vw, 1.75rem);
  --text-body-large: 1.25rem;
  --text-body: 1.0625rem;
  --text-small: 0.875rem;
  --text-caption: 0.75rem;
  --text-nav: 0.8125rem;

  --leading-display: 0.95;
  --leading-h1: 1.0;
  --leading-h2: 1.1;
  --leading-h3: 1.2;
  --leading-body-large: 1.6;
  --leading-body: 1.65;
  --leading-small: 1.5;
  --leading-caption: 1.4;
  --leading-nav: 1.2;

  --tracking-display: -0.02em;
  --tracking-caption: 0.08em;
  --tracking-nav: 0.06em;

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;
  --space-4xl: 12rem;

  --container-max: 1440px;
  --container-pad-mobile: 1.25rem;
  --container-pad-tablet: 2.5rem;
  --container-pad-desktop: 4rem;

  --radius-0: 0px;
  --radius-xs: 2px;
  --radius-sm: 4px;

  --border-light: 1px solid var(--color-steel-line);
  --border-dark: 1px solid rgba(244, 239, 230, 0.18);
  --shadow-soft: 0 8px 24px rgba(27, 28, 30, 0.12);
  --focus-outline: 2px solid var(--color-focus-ring);
  --focus-offset: 2px;

  --transition-fade: opacity 200ms ease;
}

*,
*::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);
  line-height: var(--leading-body);
  color: var(--color-graphite);
  background-color: var(--color-limestone);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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;
  min-height: 44px;
}

a {
  color: var(--color-graphite);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--transition-fade), text-decoration-color var(--transition-fade);
}

a:hover {
  color: var(--color-brick-red);
  text-decoration-color: var(--color-brick-red);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-graphite);
  line-height: var(--leading-h3);
  margin-block-end: var(--space-md);
}

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

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

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

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

p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  margin-block-end: var(--space-md);
}

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

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

ul:last-child,
ol:last-child {
  margin-block-end: 0;
}

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

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

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

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

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

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

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

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-md);
}

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

th,
td {
  text-align: start;
  padding: var(--space-xs) var(--space-sm);
  border-block-end: var(--border-light);
  vertical-align: top;
}

th {
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caption);
  color: var(--color-muted-steel);
  font-weight: 500;
}

label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-graphite);
  margin-block-end: var(--space-2xs);
}

input,
textarea,
select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-graphite);
  background-color: var(--color-ivory);
  border: var(--border-light);
  border-radius: var(--radius-xs);
  min-height: 44px;
  transition: border-color var(--transition-fade);
}

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

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

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

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

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

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

.surface-dark {
  background-color: var(--color-deep-charcoal);
  color: var(--color-ivory);
}

.surface-dark h1,
.surface-dark h2,
.surface-dark h3,
.surface-dark h4,
.surface-dark h5,
.surface-dark h6 {
  color: var(--color-ivory);
}

.surface-dark p,
.surface-dark li {
  color: var(--color-ivory);
}

.surface-dark a {
  color: var(--color-ivory);
}

.surface-dark a:hover {
  color: var(--color-focus-ring);
}

.surface-dark hr {
  border-block-start-color: var(--border-dark);
}

.surface-dark th,
.surface-dark td {
  border-block-end-color: var(--border-dark);
}

.surface-dark figcaption {
  color: var(--color-on-dark-muted);
}

.surface-dark input,
.surface-dark textarea,
.surface-dark select {
  background-color: var(--color-deep-charcoal);
  border-color: var(--border-dark);
  color: var(--color-ivory);
}

.surface-dark input::placeholder,
.surface-dark textarea::placeholder {
  color: var(--color-on-dark-muted);
}

.surface-dark label {
  color: var(--color-ivory);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-nav);
  text-decoration: none;
  border-radius: var(--radius-xs);
  min-height: 44px;
  padding: var(--space-xs) var(--space-md);
  transition: background-color var(--transition-fade), color var(--transition-fade), border-color var(--transition-fade);
}

.btn-primary {
  background-color: var(--color-brick-red);
  color: var(--color-ivory);
  border: 1px solid var(--color-brick-red);
}

.btn-primary:hover {
  background-color: #7a3228;
  border-color: #7a3228;
  color: var(--color-ivory);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-graphite);
  border: 1px solid var(--color-graphite);
}

.btn-secondary:hover {
  background-color: var(--color-graphite);
  color: var(--color-ivory);
}

.surface-dark .btn-secondary {
  color: var(--color-ivory);
  border-color: var(--color-ivory);
}

.surface-dark .btn-secondary:hover {
  background-color: var(--color-ivory);
  color: var(--color-graphite);
}

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

.caption-accent {
  color: var(--color-brick-red);
}

.surface-dark .caption {
  color: var(--color-on-dark-muted);
}

.surface-dark .caption-accent {
  color: var(--color-focus-ring);
}

.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-sm);
  z-index: 1000;
  background-color: var(--color-graphite);
  color: var(--color-ivory);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xs);
  font-family: var(--font-heading);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: var(--tracking-nav);
  text-decoration: none;
  transition: top var(--transition-fade);
}

.skip-link:focus {
  top: var(--space-sm);
  color: var(--color-ivory);
}

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

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

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--container-pad-desktop);
  }

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

@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;
  }
}