:root {
  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Work Sans", "Segoe UI", sans-serif;

  --color-warm-ivory: #F5EFE6;
  --color-ink-blue: #1B2A4A;
  --color-muted-orange: #D97A3E;
  --color-dusty-red: #A64B3C;
  --color-soft-graphite: #3A3A3A;

  --color-background: var(--color-warm-ivory);
  --color-text: var(--color-ink-blue);
  --color-text-muted: var(--color-soft-graphite);
  --color-accent: var(--color-muted-orange);
  --color-accent-secondary: var(--color-dusty-red);
  --color-surface: #FBF7F0;
  --color-surface-dark: var(--color-ink-blue);
  --color-border: rgba(58, 58, 58, 0.25);
  --color-border-accent: var(--color-dusty-red);
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  --container-max: 1200px;
  --container-padding: var(--space-2xl);

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 999px;

  --shadow-subtle: 0 2px 8px rgba(27, 42, 74, 0.06), 0 1px 3px rgba(27, 42, 74, 0.04);
  --shadow-warm: 0 4px 16px rgba(27, 42, 74, 0.08), 0 2px 6px rgba(166, 75, 60, 0.05);
  --shadow-elevated: 0 8px 32px rgba(27, 42, 74, 0.1), 0 4px 12px rgba(166, 75, 60, 0.06);

  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;

  --focus-outline: 2px solid var(--color-muted-orange);
  --focus-outline-offset: 2px;
}

*,
*::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;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  min-width: 320px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink-blue);
  line-height: 1.2;
  margin-block-end: var(--space-md);
  text-wrap: balance;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 3rem);
  line-height: 1.2;
  margin-block-end: var(--space-lg);
}

h2 {
  font-size: clamp(1.75rem, 3vw + 0.75rem, 2.25rem);
  line-height: 1.3;
  margin-block-end: var(--space-md);
}

h3 {
  font-size: clamp(1.375rem, 2vw + 0.75rem, 1.75rem);
  line-height: 1.4;
  margin-block-end: var(--space-sm);
}

h4 {
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.25rem);
  line-height: 1.5;
  font-weight: 500;
  margin-block-end: var(--space-sm);
}

h5,
h6 {
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 500;
  margin-block-end: var(--space-sm);
}

p {
  font-size: 1rem;
  line-height: 1.6;
  margin-block-end: var(--space-md);
  overflow-wrap: break-word;
}

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: 1.6;
}

li > ul,
li > ol {
  margin-block-start: var(--space-xs);
  margin-block-end: 0;
}

.content-list {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
}

.content-list:last-child {
  margin-block-end: 0;
}

.content-list > li {
  margin-block-end: var(--space-xs);
}

.content-list > li:last-child {
  margin-block-end: 0;
}

blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--color-soft-graphite);
  border-inline-start: 3px solid var(--color-muted-orange);
  padding-inline-start: var(--space-lg);
  margin-block-end: var(--space-md);
}

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

blockquote p {
  margin-block-end: 0;
}

a {
  color: var(--color-ink-blue);
  text-decoration: underline;
  text-decoration-color: rgba(27, 42, 74, 0.3);
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-muted-orange);
  text-decoration-color: var(--color-muted-orange);
}

a:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-sm);
}

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

img {
  object-fit: cover;
}

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

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

figcaption {
  font-size: 0.875rem;
  line-height: 1.5;
  font-style: italic;
  color: var(--color-soft-graphite);
  margin-block-start: var(--space-xs);
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-border);
  margin-block: var(--space-xl);
}

code,
pre,
kbd,
samp {
  font-family: "SF Mono", "Cascadia Code", "Consolas", monospace;
  font-size: 0.875em;
}

pre {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
  margin-block-end: var(--space-md);
}

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

code {
  background-color: rgba(27, 42, 74, 0.06);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.35em;
}

pre code {
  background-color: transparent;
  padding: 0;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: inherit;
}

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

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

input,
select,
textarea {
  background-color: transparent;
  border: none;
  border-bottom: 1px solid var(--color-soft-graphite);
  border-radius: 0;
  padding: var(--space-sm) 0;
  width: 100%;
  transition: border-color var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: rgba(58, 58, 58, 0.55);
  font-style: italic;
}

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

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='%233A3A3A' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-inline-end: var(--space-lg);
}

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

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-soft-graphite);
  margin-block-end: var(--space-xs);
}

fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-block-end: var(--space-md);
}

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

legend {
  font-family: var(--font-heading);
  font-weight: 600;
  padding-inline: var(--space-sm);
}

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-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

th {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-ink-blue);
}

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

.container--wide {
  max-width: 1400px;
}

.surface {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.surface--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-warm-ivory);
  border-color: rgba(245, 239, 230, 0.15);
}

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

.surface--dark p,
.surface--dark li,
.surface--dark blockquote {
  color: rgba(245, 239, 230, 0.85);
}

.surface--dark a {
  color: var(--color-warm-ivory);
  text-decoration-color: rgba(245, 239, 230, 0.4);
}

.surface--dark a:hover {
  color: var(--color-muted-orange);
  text-decoration-color: var(--color-muted-orange);
}

.surface--flat {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.surface--elevated {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-subtle);
}

.surface--raised {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-warm);
}

.surface > :last-child,
.surface--dark > :last-child,
.surface--flat > :last-child,
.surface--elevated > :last-child,
.surface--raised > :last-child {
  margin-block-end: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  text-align: center;
  padding: var(--space-sm) var(--space-lg);
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  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);
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

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

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

.btn--primary {
  background-color: var(--color-muted-orange);
  color: var(--color-warm-ivory);
  border-color: var(--color-muted-orange);
}

.btn--primary:hover {
  background-color: var(--color-dusty-red);
  border-color: var(--color-dusty-red);
  color: var(--color-warm-ivory);
  transform: translateY(-1px);
  box-shadow: var(--shadow-warm);
}

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

.btn--secondary:hover {
  background-color: var(--color-ink-blue);
  color: var(--color-warm-ivory);
  border-color: var(--color-ink-blue);
  transform: translateY(-1px);
}

.btn--light {
  background-color: var(--color-warm-ivory);
  color: var(--color-ink-blue);
  border-color: var(--color-warm-ivory);
}

.btn--light:hover {
  background-color: rgba(245, 239, 230, 0.85);
  border-color: rgba(245, 239, 230, 0.85);
  color: var(--color-ink-blue);
  transform: translateY(-1px);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-warm-ivory);
  border-color: rgba(245, 239, 230, 0.5);
}

.btn--outline-light:hover {
  background-color: rgba(245, 239, 230, 0.1);
  border-color: var(--color-warm-ivory);
  color: var(--color-warm-ivory);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-ink-blue);
  border-color: transparent;
  padding-inline: var(--space-sm);
}

.btn--ghost:hover {
  background-color: rgba(27, 42, 74, 0.06);
  color: var(--color-muted-orange);
  border-color: transparent;
}

.btn--sm {
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-md);
  min-height: 36px;
}

.btn--lg {
  font-size: 1.125rem;
  padding: var(--space-md) var(--space-xl);
  min-height: 52px;
}

.btn--block {
  display: flex;
  width: 100%;
}

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

.flex--inline {
  display: inline-flex;
  gap: var(--space-md);
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--nowrap {
  flex-wrap: nowrap;
}

.flex--column {
  flex-direction: column;
}

.flex--row {
  flex-direction: row;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--align-center {
  align-items: center;
}

.flex--align-start {
  align-items: flex-start;
}

.flex--align-end {
  align-items: flex-end;
}

.flex--justify-start {
  justify-content: flex-start;
}

.flex--justify-end {
  justify-content: flex-end;
}

.flex--justify-between {
  justify-content: space-between;
}

.flex--justify-around {
  justify-content: space-around;
}

.flex--justify-center {
  justify-content: center;
}

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

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

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

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

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

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

.flex > * {
  min-width: 0;
  flex-shrink: 1;
}

.flex--nowrap > * {
  flex-shrink: 0;
}

.flex--nowrap > .flex--shrink {
  flex-shrink: 1;
}

.flex--shrink {
  flex-shrink: 1;
  min-width: 0;
}

.flex--grow {
  flex-grow: 1;
  min-width: 0;
}

.flex--no-grow {
  flex-grow: 0;
}

.flex--no-shrink {
  flex-shrink: 0;
}

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

.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--auto {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

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

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

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

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

.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: -100%;
  left: var(--space-md);
  z-index: 10000;
  background-color: var(--color-ink-blue);
  color: var(--color-warm-ivory);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  transition: top var(--transition-fast);
}

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

.text-center {
  text-align: center;
}

.text-start {
  text-align: start;
}

.text-end {
  text-align: end;
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.text-italic {
  font-style: italic;
}

.text-muted {
  color: var(--color-soft-graphite);
}

.text-accent {
  color: var(--color-muted-orange);
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.5;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.6;
}

.text-xl {
  font-size: 1.25rem;
  line-height: 1.5;
}

.font-heading {
  font-family: var(--font-heading);
}

.font-body {
  font-family: var(--font-body);
}

.mt-xs { margin-block-start: var(--space-xs); }
.mt-sm { margin-block-start: var(--space-sm); }
.mt-md { margin-block-start: var(--space-md); }
.mt-lg { margin-block-start: var(--space-lg); }
.mt-xl { margin-block-start: var(--space-xl); }
.mt-2xl { margin-block-start: var(--space-2xl); }
.mt-3xl { margin-block-start: var(--space-3xl); }
.mt-4xl { margin-block-start: var(--space-4xl); }

.mb-xs { margin-block-end: var(--space-xs); }
.mb-sm { margin-block-end: var(--space-sm); }
.mb-md { margin-block-end: var(--space-md); }
.mb-lg { margin-block-end: var(--space-lg); }
.mb-xl { margin-block-end: var(--space-xl); }
.mb-2xl { margin-block-end: var(--space-2xl); }
.mb-3xl { margin-block-end: var(--space-3xl); }
.mb-4xl { margin-block-end: var(--space-4xl); }

.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }
.p-3xl { padding: var(--space-3xl); }
.p-4xl { padding: var(--space-4xl); }

.radius-sm { border-radius: var(--radius-sm); }
.radius-md { border-radius: var(--radius-md); }
.radius-lg { border-radius: var(--radius-lg); }
.radius-xl { border-radius: var(--radius-xl); }
.radius-full { border-radius: var(--radius-full); }

.shadow-subtle { box-shadow: var(--shadow-subtle); }
.shadow-warm { box-shadow: var(--shadow-warm); }
.shadow-elevated { box-shadow: var(--shadow-elevated); }

.border { border: 1px solid var(--color-border); }
.border-top { border-block-start: 1px solid var(--color-border); }
.border-bottom { border-block-end: 1px solid var(--color-border); }
.border-accent { border-color: var(--color-border-accent); }

.bg-ivory { background-color: var(--color-warm-ivory); }
.bg-ink { background-color: var(--color-ink-blue); color: var(--color-warm-ivory); }
.bg-surface { background-color: var(--color-surface); }
.bg-accent { background-color: var(--color-muted-orange); color: var(--color-warm-ivory); }

.bg-ink h1,
.bg-ink h2,
.bg-ink h3,
.bg-ink h4,
.bg-ink h5,
.bg-ink h6 {
  color: var(--color-warm-ivory);
}

.bg-ink p,
.bg-ink li,
.bg-ink blockquote {
  color: rgba(245, 239, 230, 0.85);
}

.bg-ink a {
  color: var(--color-warm-ivory);
  text-decoration-color: rgba(245, 239, 230, 0.4);
}

.bg-ink a:hover {
  color: var(--color-muted-orange);
  text-decoration-color: var(--color-muted-orange);
}

.bg-accent h1,
.bg-accent h2,
.bg-accent h3,
.bg-accent h4,
.bg-accent h5,
.bg-accent h6 {
  color: var(--color-warm-ivory);
}

.bg-accent p,
.bg-accent li {
  color: rgba(245, 239, 230, 0.9);
}

.bg-accent a {
  color: var(--color-warm-ivory);
  text-decoration-color: rgba(245, 239, 230, 0.5);
}

.bg-accent a:hover {
  color: var(--color-ink-blue);
  text-decoration-color: var(--color-ink-blue);
}

@media (max-width: 1024px) {
  :root {
    --container-padding: var(--space-xl);
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-lg);
  }

  h1 {
    font-size: clamp(1.875rem, 5vw + 0.5rem, 2.5rem);
  }

  h2 {
    font-size: clamp(1.5rem, 4vw + 0.5rem, 1.875rem);
  }

  h3 {
    font-size: clamp(1.25rem, 3vw + 0.5rem, 1.5rem);
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .grid--auto {
    grid-template-columns: 1fr;
  }

  .flex--row {
    flex-direction: column;
  }

  .flex--nowrap {
    flex-wrap: wrap;
  }

  .flex--nowrap > * {
    flex-shrink: 1;
  }

  .btn--block-mobile {
    display: flex;
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-md);
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.375rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  .p-2xl { padding: var(--space-xl); }
  .p-3xl { padding: var(--space-2xl); }
  .p-4xl { padding: var(--space-2xl); }

  .mt-2xl { margin-block-start: var(--space-xl); }
  .mt-3xl { margin-block-start: var(--space-2xl); }
  .mt-4xl { margin-block-start: var(--space-2xl); }

  .mb-2xl { margin-block-end: var(--space-xl); }
  .mb-3xl { margin-block-end: var(--space-2xl); }
  .mb-4xl { margin-block-end: var(--space-2xl); }
}

@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;
  }
}