:root {
  --color-ivory: #F7F3EC;
  --color-limestone: #EDE6DA;
  --color-stone-line: #D8CFC0;
  --color-walnut: #3B2A20;
  --color-walnut-soft: #6B5748;
  --color-teal: #2F6F6B;
  --color-teal-deep: #1F4F4C;
  --color-terracotta: #C46A4A;
  --color-brass: #B08D57;
  --color-ink: #1E1712;
  --color-overlay-dark: rgba(30, 23, 18, 0.55);
  --color-overlay-light: rgba(247, 243, 236, 0.72);

  --font-heading: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --text-display: clamp(2.75rem, 6vw, 5rem);
  --text-h1: clamp(2.25rem, 4.5vw, 3.5rem);
  --text-h2: clamp(1.75rem, 3vw, 2.5rem);
  --text-h3: 1.375rem;
  --text-h4: 1.125rem;
  --text-body-large: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-caption: 0.75rem;

  --leading-display: 1.05;
  --leading-h1: 1.1;
  --leading-h2: 1.15;
  --leading-h3: 1.25;
  --leading-h4: 1.3;
  --leading-body-large: 1.65;
  --leading-body: 1.6;
  --leading-small: 1.5;
  --leading-caption: 1.4;

  --tracking-display: -0.02em;
  --tracking-h1: -0.015em;
  --tracking-h2: -0.01em;
  --tracking-h4: 0.01em;
  --tracking-caption: 0.08em;

  --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;
  --space-5xl: 128px;

  --container-primary: 1200px;
  --container-wide: 1440px;
  --container-narrow: 720px;
  --container-padding-mobile: 24px;
  --container-padding-desktop: 48px;

  --radius-default: 2px;
  --radius-modal: 4px;
  --radius-chip: 50%;

  --border-hairline: 1px solid var(--color-stone-line);
  --border-brass: 1px solid var(--color-brass);

  --shadow-modal: 0 24px 64px rgba(30, 23, 18, 0.18);

  --transition-fast: 150ms ease;
  --transition-fade: 200ms ease;
  --transition-reveal: 300ms ease;

  --focus-ring: 2px solid var(--color-teal);
  --focus-offset: 2px;
}

*,
*::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);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--color-walnut);
  background-color: var(--color-ivory);
  min-height: 100vh;
  -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;
  padding: 0;
}

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

a:hover {
  color: var(--color-teal-deep);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-walnut);
  font-weight: 600;
  overflow-wrap: break-word;
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-h1);
  letter-spacing: var(--tracking-h1);
  font-weight: 600;
  margin-block-end: var(--space-lg);
}

h2 {
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  letter-spacing: var(--tracking-h2);
  font-weight: 500;
  margin-block-end: var(--space-lg);
}

h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 500;
  margin-block-end: var(--space-md);
}

h4 {
  font-family: var(--font-body);
  font-size: var(--text-h4);
  line-height: var(--leading-h4);
  letter-spacing: var(--tracking-h4);
  font-weight: 600;
  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;
}

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

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

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

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

figcaption {
  font-size: var(--text-caption);
  font-weight: 500;
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-walnut-soft);
  margin-block-start: var(--space-xs);
}

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

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

hr {
  border: none;
  border-block-start: var(--border-hairline);
  margin-block: var(--space-2xl);
}

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

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

th,
td {
  text-align: start;
  padding: var(--space-sm) var(--space-md);
  border-block-end: var(--border-hairline);
}

th {
  font-weight: 600;
  color: var(--color-walnut);
}

td {
  color: var(--color-walnut-soft);
}

form {
  margin-block-end: var(--space-lg);
}

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

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

input,
textarea,
select {
  width: 100%;
  background-color: var(--color-ivory);
  border: var(--border-hairline);
  border-radius: var(--radius-default);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-walnut);
  transition: border-color var(--transition-fast);
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--color-teal);
}

input:focus,
textarea:focus,
select:focus {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-color: var(--color-teal);
}

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

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

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 d='M1 1l5 5 5-5' stroke='%236B5748' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-inline-end: var(--space-2xl);
}

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

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

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

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

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

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

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

.surface-walnut a {
  color: var(--color-teal);
}

.surface-walnut a:hover {
  color: var(--color-brass);
}

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

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

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

.card-walnut {
  background-color: var(--color-walnut);
  color: var(--color-ivory);
  border-color: var(--color-walnut);
}

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

.card-walnut p {
  color: var(--color-ivory);
}

.card-walnut a {
  color: var(--color-teal);
}

.card-walnut a:hover {
  color: var(--color-brass);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 500;
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  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);
  white-space: nowrap;
}

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

.btn-primary {
  background-color: var(--color-teal);
  color: var(--color-ivory);
  border-color: var(--color-teal);
}

.btn-primary:hover {
  background-color: var(--color-teal-deep);
  border-color: var(--color-teal-deep);
  color: var(--color-ivory);
}

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

.btn-secondary:hover {
  background-color: rgba(47, 111, 107, 0.08);
  color: var(--color-teal-deep);
  border-color: var(--color-teal-deep);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-walnut);
  border-color: transparent;
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-body);
  font-weight: 400;
  padding: var(--space-xs) var(--space-sm);
}

.btn-ghost:hover {
  color: var(--color-walnut);
  text-decoration: underline;
  text-decoration-color: var(--color-brass);
  text-underline-offset: 4px;
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-small);
}

.btn-small {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-caption);
}

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 500;
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-default);
  background-color: var(--color-limestone);
  color: var(--color-walnut-soft);
  white-space: nowrap;
}

.tag-teal {
  color: var(--color-teal);
}

.tag-terracotta {
  color: var(--color-terracotta);
}

.tag-brass {
  color: var(--color-brass);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 500;
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-teal);
  margin-block-end: var(--space-sm);
}

.eyebrow-brass {
  color: var(--color-brass);
}

.divider-brass {
  border: none;
  border-block-start: var(--border-brass);
  margin-block: var(--space-2xl);
}

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

.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);
}

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

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

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.grid-gap-md {
  gap: var(--space-md);
}

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

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

.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: 1000;
  background-color: var(--color-walnut);
  color: var(--color-ivory);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-default);
  font-size: var(--text-small);
  font-weight: 500;
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

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

::selection {
  background-color: var(--color-teal);
  color: var(--color-ivory);
}

@media (min-width: 768px) {
  .container,
  .container-wide,
  .card {
    padding: var(--space-xl);
  }
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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