:root {
  --color-river-blue: #1B4F72;
  --color-eucalyptus-green: #2E8B57;
  --color-coral: #FF7F50;
  --color-warm-ivory: #FFF8E7;
  --color-deep-berry: #4A235A;
  --color-river-blue-rgb: 27, 79, 114;
  --color-eucalyptus-green-rgb: 46, 139, 87;
  --color-coral-rgb: 255, 127, 80;
  --color-warm-ivory-rgb: 255, 248, 231;
  --color-deep-berry-rgb: 74, 35, 90;

  --font-heading: Georgia, serif;
  --font-body: Arial, sans-serif;

  --text-display: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --text-h1: clamp(2rem, 4vw + 0.75rem, 3rem);
  --text-h2: clamp(1.5rem, 3vw + 0.5rem, 2.25rem);
  --text-h3: clamp(1.25rem, 2vw + 0.5rem, 1.75rem);
  --text-h4: clamp(1.125rem, 1.5vw + 0.5rem, 1.375rem);
  --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-h4: 1.5;
  --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;

  --container-max: 1200px;
  --container-gutter-mobile: 24px;
  --container-gutter-desktop: 48px;

  --surface-page: var(--color-warm-ivory);
  --surface-card: #FFFFFF;
  --surface-dark: var(--color-deep-berry);
  --surface-primary: var(--color-river-blue);
  --surface-glass: rgba(255, 248, 231, 0.85);

  --border-thin: 1px solid rgba(var(--color-river-blue-rgb), 0.15);
  --border-focus: 3px solid var(--color-coral);

  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lifted: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.05);
  --shadow-floating: 0 16px 40px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);

  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-pill: 50px;

  --transition-duration: 0.3s;
  --transition-ease: ease-in-out;
}

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

html {
  font-size: 100%;
  -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-deep-berry);
  background-color: var(--surface-page);
  min-height: 100vh;
  min-width: 320px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-river-blue);
  line-height: var(--leading-h2);
  margin-block-end: var(--space-3);
  overflow-wrap: break-word;
  text-wrap: balance;
}

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-4);
}

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

h4 {
  font-size: var(--text-h4);
  line-height: var(--leading-h4);
  margin-block-end: var(--space-3);
}

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

p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  margin-block-end: var(--space-4);
  overflow-wrap: break-word;
}

ul, ol {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-5);
}

ul {
  list-style: disc;
}

ol {
  list-style: decimal;
}

blockquote {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-4);
  border-inline-start: 3px solid var(--color-eucalyptus-green);
  font-style: italic;
  color: var(--color-river-blue);
}

figure {
  margin-block-end: var(--space-4);
}

figcaption {
  font-size: var(--text-small);
  line-height: var(--leading-small);
  color: rgba(var(--color-deep-berry-rgb), 0.8);
  margin-block-start: var(--space-2);
  text-align: center;
}

a {
  color: var(--color-river-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(var(--color-river-blue-rgb), 0.4);
  transition: color var(--transition-duration) var(--transition-ease),
              text-decoration-color var(--transition-duration) var(--transition-ease);
}

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

a:focus-visible {
  outline: var(--border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-small);
}

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

img {
  border-radius: var(--radius-medium);
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-small);
  transition: background-color var(--transition-duration) var(--transition-ease),
              color var(--transition-duration) var(--transition-ease),
              box-shadow var(--transition-duration) var(--transition-ease),
              transform var(--transition-duration) var(--transition-ease);
}

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

input,
textarea,
select {
  background-color: #FFFFFF;
  border: 1px solid rgba(var(--color-river-blue-rgb), 0.3);
  border-radius: var(--radius-small);
  padding: var(--space-2) var(--space-3);
  transition: border-color var(--transition-duration) var(--transition-ease),
              box-shadow var(--transition-duration) var(--transition-ease);
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-coral);
  box-shadow: 0 0 0 3px rgba(var(--color-coral-rgb), 0.25);
}

label {
  display: inline-block;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-river-blue);
  margin-block-end: var(--space-1);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-4);
}

th, td {
  padding: var(--space-2) var(--space-3);
  text-align: start;
  border-block-end: 1px solid rgba(var(--color-river-blue-rgb), 0.15);
}

th {
  font-weight: 700;
  color: var(--color-river-blue);
  background-color: rgba(var(--color-river-blue-rgb), 0.05);
}

hr {
  border: none;
  border-block-start: 1px solid rgba(var(--color-river-blue-rgb), 0.2);
  margin-block: var(--space-5);
}

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

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-gutter-desktop);
  }
}

.section {
  padding-block: var(--space-7);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-8);
  }
}

.surface-card {
  background-color: var(--surface-card);
  border-radius: var(--radius-medium);
  border: var(--border-thin);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
}

.surface-dark {
  background-color: var(--surface-dark);
  color: var(--color-warm-ivory);
}

.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 a {
  color: var(--color-coral);
  text-decoration-color: rgba(var(--color-coral-rgb), 0.5);
}

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

.surface-glass {
  background-color: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-large);
  border: 1px solid rgba(var(--color-warm-ivory-rgb), 0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.2;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-small);
  text-decoration: none;
  text-align: center;
  min-height: 44px;
  transition: background-color var(--transition-duration) var(--transition-ease),
              color var(--transition-duration) var(--transition-ease),
              box-shadow var(--transition-duration) var(--transition-ease),
              transform var(--transition-duration) var(--transition-ease);
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-coral);
  color: var(--color-warm-ivory);
  border: 1px solid var(--color-coral);
}

.btn-primary:hover {
  background-color: #FF6B3D;
  border-color: #FF6B3D;
  color: var(--color-warm-ivory);
  box-shadow: var(--shadow-lifted);
}

.btn-secondary {
  background-color: var(--color-river-blue);
  color: var(--color-warm-ivory);
  border: 1px solid var(--color-river-blue);
}

.btn-secondary:hover {
  background-color: #1A4463;
  border-color: #1A4463;
  color: var(--color-warm-ivory);
  box-shadow: var(--shadow-lifted);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-river-blue);
  border: 1px solid var(--color-river-blue);
}

.btn-outline:hover {
  background-color: rgba(var(--color-river-blue-rgb), 0.08);
  color: var(--color-river-blue);
  box-shadow: var(--shadow-soft);
}

.btn-small {
  font-size: var(--text-small);
  padding: var(--space-2) var(--space-3);
  min-height: 36px;
}

.btn-large {
  font-size: 1.25rem;
  padding: var(--space-4) var(--space-6);
  min-height: 52px;
}

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

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

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

.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 1 0%;
  min-width: 0;
}

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

.flex-none {
  flex: 0 0 auto;
}

.grid {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

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

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
}

.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));
}

@media (max-width: 1023px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.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-coral);
  color: var(--color-warm-ivory);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-small);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-duration) var(--transition-ease);
}

.skip-link:focus-visible {
  top: var(--space-3);
  outline: var(--border-focus);
  outline-offset: 2px;
}

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

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

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

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

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

.text-heading {
  font-family: var(--font-heading);
  color: var(--color-river-blue);
}

.text-muted {
  color: rgba(var(--color-deep-berry-rgb), 0.75);
}

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

.text-river-blue {
  color: var(--color-river-blue);
}

.text-eucalyptus {
  color: var(--color-eucalyptus-green);
}

.text-warm-ivory {
  color: var(--color-warm-ivory);
}

.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); }

.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-7 { padding: var(--space-7); }
.p-8 { padding: var(--space-8); }

.radius-small { border-radius: var(--radius-small); }
.radius-medium { border-radius: var(--radius-medium); }
.radius-large { border-radius: var(--radius-large); }
.radius-pill { border-radius: var(--radius-pill); }

.shadow-soft { box-shadow: var(--shadow-soft); }
.shadow-lifted { box-shadow: var(--shadow-lifted); }
.shadow-floating { box-shadow: var(--shadow-floating); }

.content-list {
  list-style: disc;
  padding-inline-start: var(--space-5);
  margin-block-end: var(--space-4);
}

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

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

:where(h1, h2, h3, h4, h5, h6, p, ul, ol, blockquote, figure, table, hr):last-child {
  margin-block-end: 0;
}

@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;
  }
}