:root {
  --color-cobalt: #0047AB;
  --color-peach: #FFDAB9;
  --color-ivory: #FFFFF0;
  --color-olive: #808000;
  --color-plum: #800020;
  --color-white: #FFFFFF;
  --color-off-white: #FDFDF5;
  --color-text-on-cobalt: #FFFFFF;
  --color-text-on-peach: #800020;
  --color-text-on-ivory: #800020;
  --color-text-on-olive: #FFFFF0;
  --color-text-on-plum: #FFFFF0;
  --color-text-body: #800020;
  --color-text-muted: #5A3A4A;
  --color-border-light: #E8E0D0;
  --color-border-focus: #0047AB;
  --color-overlay: rgba(0, 0, 0, 0.4);
  --color-shadow: rgba(0, 0, 0, 0.1);

  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

  --text-display-size: clamp(2.25rem, 5vw + 1rem, 3.5rem);
  --text-display-line-height: 1.1;
  --text-h1-size: clamp(1.75rem, 3.5vw + 0.5rem, 2.5rem);
  --text-h1-line-height: 1.2;
  --text-h2-size: clamp(1.5rem, 2.5vw + 0.5rem, 2rem);
  --text-h2-line-height: 1.3;
  --text-h3-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);
  --text-h3-line-height: 1.4;
  --text-body-size: 1rem;
  --text-body-line-height: 1.6;
  --text-small-size: 0.875rem;
  --text-small-line-height: 1.5;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;

  --container-max: 1200px;
  --container-padding-desktop: 2rem;
  --container-padding-mobile: 1rem;
  --section-spacing-desktop: 4rem;
  --section-spacing-mobile: 2rem;

  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;

  --shadow-soft: 0 4px 12px var(--color-shadow);
  --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.15);

  --border-thin: 1px solid var(--color-olive);
  --border-focus: 2px solid var(--color-border-focus);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --z-header: 100;
  --z-popup: 200;
  --z-modal: 300;
  --z-light-trail: 50;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  color: var(--color-text-body);
  background-color: var(--color-ivory);
  min-height: 100vh;
  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;
}

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

a:hover {
  color: var(--color-plum);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-olive);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-block-end: var(--space-3);
}

h1 {
  font-size: var(--text-h1-size);
  line-height: var(--text-h1-line-height);
}

h2 {
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-line-height);
}

h3 {
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
}

h4 {
  font-size: 1.125rem;
  line-height: 1.4;
}

h5 {
  font-size: 1rem;
  line-height: 1.5;
}

h6 {
  font-size: 0.875rem;
  line-height: 1.5;
}

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

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

strong {
  font-weight: 700;
}

em {
  font-style: italic;
}

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

hr {
  border: none;
  border-block-start: var(--border-thin);
  margin-block: var(--space-5);
}

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

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

address {
  font-style: normal;
}

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

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

.surface-card {
  background-color: var(--color-off-white);
  border: var(--border-thin);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-soft);
  padding: var(--space-5);
}

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

.surface-panel {
  background-color: var(--color-ivory);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-modal);
  padding: var(--space-5);
}

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

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

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

.surface-peach {
  background-color: var(--color-peach);
  color: var(--color-text-on-peach);
}

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

.surface-plum {
  background-color: var(--color-plum);
  color: var(--color-text-on-plum);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-cobalt);
  color: var(--color-text-on-cobalt);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: 600;
  line-height: 1.4;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-small);
  border: 1px solid var(--color-cobalt);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  text-align: center;
  min-height: 44px;
  cursor: pointer;
}

.btn:hover {
  background-color: #1a5bc4;
  border-color: #1a5bc4;
  color: var(--color-text-on-cobalt);
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn-secondary:hover {
  background-color: var(--color-cobalt);
  color: var(--color-text-on-cobalt);
}

.btn-accent {
  background-color: var(--color-peach);
  color: var(--color-text-on-peach);
  border-color: var(--color-peach);
}

.btn-accent:hover {
  background-color: #ffc9a0;
  border-color: #ffc9a0;
  color: var(--color-text-on-peach);
}

.btn-plum {
  background-color: var(--color-plum);
  color: var(--color-text-on-plum);
  border-color: var(--color-plum);
}

.btn-plum:hover {
  background-color: #a00028;
  border-color: #a00028;
  color: var(--color-text-on-plum);
}

.btn-small {
  font-size: var(--text-small-size);
  padding: var(--space-1) var(--space-3);
  min-height: 36px;
}

.btn-large {
  font-size: 1.125rem;
  padding: var(--space-3) var(--space-5);
  min-height: 52px;
}

.badge {
  display: inline-block;
  background-color: var(--color-peach);
  color: var(--color-text-on-peach);
  font-size: var(--text-small-size);
  font-weight: 600;
  line-height: 1.4;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-small);
}

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

.badge-olive {
  background-color: var(--color-olive);
  color: var(--color-text-on-olive);
}

.badge-plum {
  background-color: var(--color-plum);
  color: var(--color-text-on-plum);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-block-end: var(--space-2);
  color: var(--color-text-body);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background-color: var(--color-white);
  border: 1px solid var(--color-olive);
  border-radius: var(--radius-small);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  color: var(--color-text-body);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(0, 71, 171, 0.15);
}

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

.form-select {
  appearance: auto;
}

.form-field {
  margin-block-end: var(--space-4);
}

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

.content-list {
  list-style: disc;
  padding-inline-start: var(--space-5);
  margin-block-end: var(--space-3);
}

.content-list li {
  margin-block-end: var(--space-2);
}

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

.content-list ol {
  list-style: decimal;
  padding-inline-start: var(--space-5);
  margin-block-start: var(--space-2);
}

.content-list ol li {
  margin-block-end: var(--space-2);
}

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

.flex-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

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

.flex-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

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

.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: 999;
  background-color: var(--color-cobalt);
  color: var(--color-text-on-cobalt);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-small);
  transition: top var(--transition-fast);
}

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

@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;
  }
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--container-padding-mobile);
  }

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

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

  .flex-between {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }

  .btn + .btn {
    margin-block-start: var(--space-2);
  }
}