:root {
  --color-parchment: #F5E6C8;
  --color-deep-teal: #0A3D5C;
  --color-forest-green: #2E5D3A;
  --color-ruby-red: #8B1E3F;
  --color-ink-dark: #2B2B2B;
  --color-parchment-light: #FDF6E3;
  --color-teal-foreground: #FFFFFF;
  --color-green-foreground: #FFFFFF;
  --color-ruby-foreground: #FFFFFF;
  --color-border: rgba(10, 61, 92, 0.2);
  --color-shadow: rgba(43, 43, 43, 0.1);
  --color-focus: #2E5D3A;

  --font-heading: "Cinzel Decorative", "Georgia", serif;
  --font-body: "Open Sans", "Helvetica Neue", Arial, sans-serif;

  --text-display: clamp(2rem, 4vw + 1rem, 3rem);
  --text-h1: clamp(1.75rem, 3vw + 0.75rem, 2.25rem);
  --text-h2: clamp(1.5rem, 2.5vw + 0.5rem, 1.75rem);
  --text-h3: clamp(1.25rem, 2vw + 0.4rem, 1.375rem);
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-caption: 0.75rem;

  --leading-display: 1.1;
  --leading-h1: 1.2;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-body: 1.6;
  --leading-small: 1.5;
  --leading-caption: 1.4;

  --weight-display: 700;
  --weight-h1: 700;
  --weight-h2: 600;
  --weight-h3: 600;
  --weight-body: 400;
  --weight-small: 400;
  --weight-caption: 400;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  --space-section: 4rem;
  --space-section-mobile: 3rem;

  --container-max: 1200px;
  --content-max: 800px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 24px;

  --shadow-card: 0 2px 8px var(--color-shadow);
  --shadow-elevated: 0 4px 16px var(--color-shadow);

  --transition-fast: 0.2s 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);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  color: var(--color-ink-dark);
  background-color: var(--color-parchment);
  min-height: 100vh;
  min-width: 320px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  border: 1px solid var(--color-border);
  filter: sepia(0.15);
}

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

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  color: var(--color-deep-teal);
  line-height: var(--leading-h1);
}

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

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

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

h4,
h5,
h6 {
  font-size: var(--text-body);
  font-weight: var(--weight-h2);
  margin-block-end: var(--space-sm);
}

p {
  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;
}

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-md);
  border-inline-start: 4px solid var(--color-ruby-red);
  color: var(--color-deep-teal);
  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-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--color-deep-teal);
  margin-block-start: var(--space-xs);
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-border);
  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 {
  padding: var(--space-sm) var(--space-md);
  text-align: start;
  border-block-end: 1px solid var(--color-border);
}

th {
  font-family: var(--font-heading);
  font-weight: var(--weight-h2);
  color: var(--color-deep-teal);
}

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

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

.card {
  background-color: var(--color-parchment-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

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

.surface {
  background-color: var(--color-parchment-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  min-width: 0;
  max-width: 100%;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background-color: #082F47;
  border-color: #082F47;
  color: var(--color-teal-foreground);
}

.btn-primary:active {
  background-color: #062438;
  border-color: #062438;
}

.btn-secondary {
  background-color: var(--color-forest-green);
  color: var(--color-green-foreground);
  border-color: var(--color-forest-green);
}

.btn-secondary:hover {
  background-color: #23482D;
  border-color: #23482D;
  color: var(--color-green-foreground);
}

.btn-secondary:active {
  background-color: #1A3722;
  border-color: #1A3722;
}

.btn-accent {
  background-color: var(--color-ruby-red);
  color: var(--color-ruby-foreground);
  border-color: var(--color-ruby-red);
}

.btn-accent:hover {
  background-color: #6E1731;
  border-color: #6E1731;
  color: var(--color-ruby-foreground);
}

.btn-accent:active {
  background-color: #571227;
  border-color: #571227;
}

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

.btn-outline:hover {
  background-color: var(--color-deep-teal);
  color: var(--color-teal-foreground);
}

.btn-outline:active {
  background-color: #082F47;
  color: var(--color-teal-foreground);
}

.btn-pill {
  border-radius: var(--radius-pill);
}

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

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-h3);
}

.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: 1000;
  background-color: var(--color-deep-teal);
  color: var(--color-teal-foreground);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  color: var(--color-teal-foreground);
  text-decoration: none;
}

@media (max-width: 768px) {
  :root {
    --space-section: var(--space-section-mobile);
  }

  .container,
  .content-container {
    padding-inline: var(--space-md);
  }

  .card {
    padding: var(--space-md);
  }
}

@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;
  }
}