:root {
  /* Color Tokens */
  --color-forest-900: #1e2f1e;
  --color-forest-700: #2d4a2d;
  --color-forest-500: #4a6b4a;
  --color-blush-300: #d8a0a0;
  --color-blush-500: #b87a7a;
  --color-ivory-50: #f5f0e6;
  --color-ivory-100: #faf7f0;
  --color-terracotta-500: #c96f4a;
  --color-terracotta-700: #a85a3a;
  --color-ink-900: #1a1a1a;
  --color-ink-700: #4a4a4a;
  --color-white: #ffffff;

  /* Typography */
  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'Jost', sans-serif;

  /* Type Scale */
  --text-display-size: 3.5rem;
  --text-display-line-height: 1.1;
  --text-display-letter-spacing: 0.01em;
  --text-h1-size: 2.5rem;
  --text-h1-line-height: 1.2;
  --text-h1-letter-spacing: 0.01em;
  --text-h2-size: 2rem;
  --text-h2-line-height: 1.3;
  --text-h2-letter-spacing: 0.01em;
  --text-h3-size: 1.5rem;
  --text-h3-line-height: 1.4;
  --text-h3-letter-spacing: 0.01em;
  --text-body-size: 1rem;
  --text-body-line-height: 1.6;
  --text-body-letter-spacing: 0.02em;
  --text-small-size: 0.875rem;
  --text-small-line-height: 1.5;
  --text-small-letter-spacing: 0.02em;
  --text-caption-size: 0.75rem;
  --text-caption-line-height: 1.4;
  --text-caption-letter-spacing: 0.05em;

  /* Spacing Scale */
  --space-4xs: 4px;
  --space-3xs: 8px;
  --space-2xs: 16px;
  --space-xs: 24px;
  --space-sm: 32px;
  --space-md: 48px;
  --space-lg: 64px;
  --space-xl: 96px;
  --space-2xl: 128px;

  /* Containers */
  --container-max-width: 1200px;
  --container-padding-x: 24px;
  --section-padding-y-desktop: 96px;
  --section-padding-y-mobile: 64px;
  --card-padding-desktop: 32px;
  --card-padding-mobile: 24px;

  /* Surfaces */
  --surface-light: var(--color-ivory-50);
  --surface-light-alt: var(--color-ivory-100);
  --surface-dark: var(--color-forest-900);
  --surface-dark-accent: var(--color-forest-700);

  /* Borders */
  --border-width-thin: 1px;
  --border-color-subtle: var(--color-blush-300);
  --border-color-accent: var(--color-forest-500);

  /* Shadows */
  --shadow-card-light: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-card-dark: 0 8px 30px rgba(0, 0, 0, 0.3);

  /* Corner Radii */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-pill: 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;

  /* Focus */
  --focus-outline-color: var(--color-forest-500);
  --focus-outline-width: 2px;
  --focus-outline-offset: 2px;
}

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

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

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  color: var(--color-ink-900);
  background-color: var(--surface-light);
  -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;
  letter-spacing: inherit;
  color: inherit;
}

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

a {
  color: var(--color-forest-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-terracotta-500);
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Document Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-forest-700);
  letter-spacing: var(--text-h1-letter-spacing);
}

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

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

h3 {
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
  margin-block-end: var(--space-2xs);
}

h4,
h5,
h6 {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  margin-block-end: var(--space-3xs);
}

p {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  margin-block-end: var(--space-2xs);
}

blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
  color: var(--color-forest-700);
  margin-block-end: var(--space-sm);
  padding-inline-start: var(--space-xs);
  border-inline-start: 3px solid var(--color-blush-500);
}

ul,
ol {
  margin-block-end: var(--space-2xs);
  padding-inline-start: var(--space-xs);
}

ul {
  list-style: disc;
}

ol {
  list-style: decimal;
}

li {
  margin-block-end: var(--space-3xs);
}

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

small {
  font-size: var(--text-small-size);
  line-height: var(--text-small-line-height);
  letter-spacing: var(--text-small-letter-spacing);
  color: var(--color-ink-700);
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

code,
pre {
  font-family: monospace;
  font-size: var(--text-small-size);
}

/* Media Defaults */
figure {
  margin-block-end: var(--space-2xs);
}

figcaption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-letter-spacing);
  color: var(--color-ink-700);
  margin-block-start: var(--space-3xs);
}

/* Form Defaults */
label {
  display: block;
  font-size: var(--text-small-size);
  line-height: var(--text-small-line-height);
  letter-spacing: var(--text-small-letter-spacing);
  color: var(--color-ink-700);
  margin-block-end: var(--space-3xs);
}

input,
textarea,
select {
  display: block;
  width: 100%;
  padding: var(--space-3xs) var(--space-2xs);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  color: var(--color-ink-900);
  background-color: var(--surface-light-alt);
  border: var(--border-width-thin) solid var(--border-color-subtle);
  border-radius: var(--radius-small);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-forest-500);
  box-shadow: 0 0 0 var(--focus-outline-width) var(--focus-outline-color);
}

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

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='%234a4a4a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-2xs) center;
  padding-inline-end: var(--space-sm);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-ink-700);
  opacity: 0.7;
}

/* Focus Visible */
:focus-visible {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

.section {
  padding-block: var(--section-padding-y-desktop);
}

.section--dark {
  background-color: var(--surface-dark);
  color: var(--color-white);
}

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

.section--dark p,
.section--dark li,
.section--dark small,
.section--dark figcaption {
  color: rgba(255, 255, 255, 0.85);
}

.section--dark a {
  color: var(--color-blush-300);
}

.section--dark a:hover {
  color: var(--color-terracotta-500);
}

.section--dark input,
.section--dark textarea,
.section--dark select {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

.section--dark input::placeholder,
.section--dark textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.section--dark label {
  color: rgba(255, 255, 255, 0.7);
}

.section--light-alt {
  background-color: var(--surface-light-alt);
}

/* Reusable Primitives */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xs);
  padding: var(--space-2xs) var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-small-size);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-small);
  border: var(--border-width-thin) solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-terracotta-500);
  color: var(--color-white);
  border-color: var(--color-terracotta-500);
}

.btn--primary:hover {
  background-color: var(--color-terracotta-700);
  border-color: var(--color-terracotta-700);
  color: var(--color-white);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-forest-700);
  border-color: var(--color-forest-700);
}

.btn--secondary:hover {
  background-color: var(--color-forest-700);
  color: var(--color-white);
}

.btn--light {
  background-color: var(--color-white);
  color: var(--color-forest-900);
  border-color: var(--color-white);
}

.btn--light:hover {
  background-color: var(--color-blush-300);
  border-color: var(--color-blush-300);
  color: var(--color-forest-900);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline-light:hover {
  background-color: var(--color-white);
  color: var(--color-forest-900);
}

.card {
  background-color: var(--surface-light-alt);
  border-radius: var(--radius-medium);
  padding: var(--card-padding-desktop);
  box-shadow: var(--shadow-card-light);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.card--dark {
  background-color: var(--surface-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-card-dark);
}

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

.card--dark p,
.card--dark li,
.card--dark small {
  color: rgba(255, 255, 255, 0.85);
}

.card--dark a {
  color: var(--color-blush-300);
}

.card--dark a:hover {
  color: var(--color-terracotta-500);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3xs) var(--space-2xs);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-letter-spacing);
  text-transform: uppercase;
  font-weight: 500;
  background-color: var(--color-blush-300);
  color: var(--color-forest-900);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.tag--dark {
  background-color: var(--color-forest-700);
  color: var(--color-white);
}

.tag--terracotta {
  background-color: var(--color-terracotta-500);
  color: var(--color-white);
}

/* Safe last-child handling for content groups */
.content-group > :last-child,
.panel > :last-child,
.compact-content > :last-child {
  margin-block-end: 0;
}

/* Responsive Typography */
@media (max-width: 768px) {
  :root {
    --text-display-size: 2.5rem;
    --text-h1-size: 2rem;
    --text-h2-size: 1.75rem;
    --text-h3-size: 1.25rem;
    --section-padding-y-desktop: var(--section-padding-y-mobile);
    --card-padding-desktop: var(--card-padding-mobile);
  }

  .section {
    padding-block: var(--section-padding-y-mobile);
  }

  .card {
    padding: var(--card-padding-mobile);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding-x: 16px;
  }
}