:root {
  --color-aubergine: #3B1F2B;
  --color-walnut: #5C4033;
  --color-parchment: #F5E9D7;
  --color-cobalt: #0047AB;
  --color-ink: #1A1A1A;
  --color-muted-parchment: #D8CBB8;
  --color-cobalt-dark: #003a8c;
  --color-border-dark: rgba(245, 233, 215, 0.2);
  --color-border-light: rgba(26, 26, 26, 0.1);
  --color-shadow: rgba(0, 0, 0, 0.2);
  --color-focus: #0047AB;

  --font-heading: 'Archivo Black', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-display: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --text-h1: clamp(2rem, 3.5vw + 0.75rem, 3rem);
  --text-h2: clamp(1.75rem, 2.5vw + 0.5rem, 2.25rem);
  --text-h3: clamp(1.5rem, 2vw + 0.25rem, 1.75rem);
  --text-body: 1.125rem;
  --text-small: 0.875rem;

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

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 128px;

  --container-max: 1200px;
  --container-gutter: 24px;
  --container-padding: clamp(16px, 4vw, 24px);

  --radius-none: 0px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-raised: 0 2px 8px var(--color-shadow);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.25);

  --transition-fast: 200ms ease-in-out;

  --section-spacing-desktop: 96px;
  --section-spacing-mobile: 64px;
  --section-spacing: var(--section-spacing-mobile);
}

@media (min-width: 768px) {
  :root {
    --section-spacing: var(--section-spacing-desktop);
  }
}

*,
*::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 {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-parchment);
  background-color: var(--color-aubergine);
  min-height: 100vh;
  min-width: 320px;
  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;
  padding: 0;
}

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

a:hover {
  color: var(--color-cobalt-dark);
  text-decoration: underline;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-parchment);
  line-height: 1.2;
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-h1);
  margin-block-end: var(--space-4);
}

h2 {
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  margin-block-end: var(--space-3);
}

h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  margin-block-end: var(--space-3);
}

h4,
h5,
h6 {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  margin-block-end: var(--space-2);
}

p {
  line-height: var(--leading-body);
  margin-block-end: var(--space-3);
}

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

ul,
ol {
  padding-inline-start: var(--space-4);
  margin-block-end: var(--space-3);
}

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

blockquote {
  margin-block-end: var(--space-3);
  padding-inline-start: var(--space-4);
  border-inline-start: 3px solid var(--color-cobalt);
  color: var(--color-muted-parchment);
}

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

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

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

figcaption {
  font-size: var(--text-small);
  line-height: var(--leading-small);
  color: var(--color-muted-parchment);
  margin-block-start: var(--space-2);
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-border-dark);
  margin-block: var(--space-5);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-3);
}

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

th,
td {
  padding: var(--space-2) var(--space-3);
  text-align: start;
  border-block-end: 1px solid var(--color-border-dark);
}

th {
  font-family: var(--font-heading);
  font-weight: 400;
  text-transform: uppercase;
  font-size: var(--text-small);
  letter-spacing: 0.02em;
  color: var(--color-muted-parchment);
}

label {
  display: block;
  font-size: var(--text-small);
  line-height: var(--leading-small);
  color: var(--color-muted-parchment);
  margin-block-end: var(--space-1);
}

input,
textarea,
select {
  width: 100%;
  background-color: var(--color-parchment);
  color: var(--color-ink);
  border: 1px solid var(--color-walnut);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-cobalt);
  box-shadow: 0 0 0 2px rgba(0, 71, 171, 0.3);
}

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

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='%235C4033' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-inline-end: var(--space-6);
}

::placeholder {
  color: rgba(26, 26, 26, 0.5);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

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

.surface-walnut {
  background-color: var(--color-walnut);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-dark);
  padding: var(--space-4);
}

.surface-parchment {
  background-color: var(--color-parchment);
  color: var(--color-ink);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  padding: var(--space-4);
}

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

.surface-parchment a {
  color: var(--color-cobalt);
}

.surface-parchment a:hover {
  color: var(--color-cobalt-dark);
}

.surface-parchment label {
  color: var(--color-ink);
}

.surface-parchment figcaption {
  color: rgba(26, 26, 26, 0.7);
}

.surface-parchment th {
  color: rgba(26, 26, 26, 0.7);
}

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

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

.surface-parchment blockquote {
  color: rgba(26, 26, 26, 0.8);
}

.surface-aubergine {
  background-color: var(--color-aubergine);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-dark);
  padding: var(--space-4);
}

.surface-cobalt {
  background-color: var(--color-cobalt);
  border-radius: var(--radius-md);
  border: 1px solid rgba(245, 233, 215, 0.3);
  padding: var(--space-4);
}

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

.surface-cobalt a {
  color: var(--color-parchment);
  text-decoration: underline;
}

.surface-cobalt a:hover {
  color: var(--color-muted-parchment);
}

.surface-cobalt label {
  color: var(--color-parchment);
}

.surface-cobalt figcaption {
  color: var(--color-muted-parchment);
}

.surface-cobalt th {
  color: var(--color-muted-parchment);
}

.surface-cobalt th,
.surface-cobalt td {
  border-block-end-color: rgba(245, 233, 215, 0.3);
}

.surface-cobalt hr {
  border-block-start-color: rgba(245, 233, 215, 0.3);
}

.surface-cobalt blockquote {
  color: var(--color-muted-parchment);
}

.surface-cobalt input,
.surface-cobalt textarea,
.surface-cobalt select {
  background-color: var(--color-parchment);
  color: var(--color-ink);
  border-color: var(--color-walnut);
}

.surface-cobalt ::placeholder {
  color: rgba(26, 26, 26, 0.5);
}

.radius-none {
  border-radius: var(--radius-none);
}

.radius-sm {
  border-radius: var(--radius-sm);
}

.radius-md {
  border-radius: var(--radius-md);
}

.radius-lg {
  border-radius: var(--radius-lg);
}

.shadow-raised {
  box-shadow: var(--shadow-raised);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background-color: var(--color-cobalt);
  color: var(--color-parchment);
  font-family: var(--font-heading);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  min-width: 0;
}

.btn:hover {
  background-color: var(--color-cobalt-dark);
  color: var(--color-parchment);
  text-decoration: none;
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

.btn-secondary:hover {
  background-color: rgba(245, 233, 215, 0.1);
  color: var(--color-parchment);
  border-color: var(--color-parchment);
}

.btn-parchment {
  background-color: var(--color-parchment);
  color: var(--color-ink);
}

.btn-parchment:hover {
  background-color: var(--color-muted-parchment);
  color: var(--color-ink);
}

.btn-walnut {
  background-color: var(--color-walnut);
  color: var(--color-parchment);
}

.btn-walnut:hover {
  background-color: #4a3328;
  color: var(--color-parchment);
}

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

.card {
  background-color: var(--color-walnut);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-dark);
  padding: var(--space-4);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-cobalt);
}

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

.panel {
  background-color: var(--color-walnut);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-dark);
  padding: var(--space-5);
}

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

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-cobalt);
  border: 3px solid var(--color-parchment);
  box-shadow: 0 0 0 2px var(--color-cobalt);
  flex-shrink: 0;
}

.chip-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
  box-shadow: 0 0 0 1px var(--color-cobalt);
}

.chip-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
  box-shadow: 0 0 0 3px var(--color-cobalt);
}

.chip-parchment {
  background-color: var(--color-parchment);
  border-color: var(--color-cobalt);
  box-shadow: 0 0 0 2px var(--color-parchment);
}

.chip-walnut {
  background-color: var(--color-walnut);
  border-color: var(--color-parchment);
  box-shadow: 0 0 0 2px var(--color-walnut);
}

.chip-aubergine {
  background-color: var(--color-aubergine);
  border-color: var(--color-parchment);
  box-shadow: 0 0 0 2px var(--color-aubergine);
}

.flex {
  display: flex;
  gap: var(--space-3);
  min-width: 0;
}

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

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

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

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

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

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

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

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

.flex-auto {
  flex: 0 0 auto;
}

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-7 { gap: var(--space-7); }

.mt-1 { margin-block-start: var(--space-1); }
.mt-2 { margin-block-start: var(--space-2); }
.mt-3 { margin-block-start: var(--space-3); }
.mt-4 { margin-block-start: var(--space-4); }
.mt-5 { margin-block-start: var(--space-5); }
.mt-6 { margin-block-start: var(--space-6); }
.mt-7 { margin-block-start: var(--space-7); }
.mt-8 { margin-block-start: var(--space-8); }

.mb-1 { margin-block-end: var(--space-1); }
.mb-2 { margin-block-end: var(--space-2); }
.mb-3 { margin-block-end: var(--space-3); }
.mb-4 { margin-block-end: var(--space-4); }
.mb-5 { margin-block-end: var(--space-5); }
.mb-6 { margin-block-end: var(--space-6); }
.mb-7 { margin-block-end: var(--space-7); }
.mb-8 { margin-block-end: var(--space-8); }

.mx-auto {
  margin-inline: auto;
}

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

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

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

.text-uppercase {
  text-transform: uppercase;
}

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

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

.text-parchment {
  color: var(--color-parchment);
}

.text-ink {
  color: var(--color-ink);
}

.text-cobalt {
  color: var(--color-cobalt);
}

.text-walnut {
  color: var(--color-walnut);
}

.text-aubergine {
  color: var(--color-aubergine);
}

.bg-parchment {
  background-color: var(--color-parchment);
  color: var(--color-ink);
}

.bg-walnut {
  background-color: var(--color-walnut);
  color: var(--color-parchment);
}

.bg-aubergine {
  background-color: var(--color-aubergine);
  color: var(--color-parchment);
}

.bg-cobalt {
  background-color: var(--color-cobalt);
  color: var(--color-parchment);
}

.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-3);
  z-index: 10000;
  background-color: var(--color-cobalt);
  color: var(--color-parchment);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-small);
  text-transform: uppercase;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-3);
}

.content-list {
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.content-list li {
  position: relative;
  padding-inline-start: var(--space-4);
}

.content-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-cobalt);
  border: 2px solid var(--color-parchment);
  box-shadow: 0 0 0 1px var(--color-cobalt);
}

.surface-parchment .content-list li::before {
  border-color: var(--color-parchment);
  box-shadow: 0 0 0 1px var(--color-cobalt);
}

.surface-cobalt .content-list li::before {
  border-color: var(--color-cobalt);
  box-shadow: 0 0 0 1px var(--color-parchment);
}

.content-list-check li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-cobalt);
  color: var(--color-parchment);
  font-size: 10px;
  font-weight: 700;
  border: none;
  box-shadow: none;
  top: 0.3em;
}

.content-list-chip li::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-cobalt);
  border: 2px solid var(--color-parchment);
  box-shadow: 0 0 0 2px var(--color-cobalt);
  top: 0.45em;
}

.content-list-number {
  counter-reset: content-list-counter;
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.content-list-number li {
  counter-increment: content-list-counter;
  position: relative;
  padding-inline-start: var(--space-5);
}

.content-list-number li::before {
  content: counter(content-list-counter);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-heading);
  font-size: var(--text-small);
  color: var(--color-cobalt);
  line-height: var(--leading-body);
}

.surface-parchment .content-list-number li::before {
  color: var(--color-cobalt);
}

.surface-cobalt .content-list-number li::before {
  color: var(--color-parchment);
}

@media (max-width: 767px) {
  :root {
    --text-display: 2.5rem;
    --text-h1: 2rem;
    --text-h2: 1.75rem;
    --text-h3: 1.5rem;
  }

  .panel {
    padding: var(--space-4);
  }

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

@media (min-width: 768px) and (max-width: 1023px) {
  :root {
    --text-display: 3rem;
    --text-h1: 2.25rem;
    --text-h2: 1.875rem;
    --text-h3: 1.625rem;
  }
}

@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;
  }
}