:root {
  --color-cobalt: #0047AB;
  --color-coral: #FF7F50;
  --color-eucalyptus: #3CB371;
  --color-warm-sand: #F4A460;
  --color-burgundy: #800020;
  --color-ink: #1A1A1A;
  --color-white: #FFFFFF;

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

  --text-display: 48px;
  --text-h1: 36px;
  --text-h2: 28px;
  --text-h3: 22px;
  --text-body: 16px;
  --text-small: 14px;
  --text-label: 12px;

  --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-label: 1.4;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-section: 80px;

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

  --surface-background: var(--color-warm-sand);
  --surface-card: var(--color-white);
  --surface-header: var(--color-cobalt);
  --surface-footer: var(--color-cobalt);

  --border-default: 1px solid rgba(0, 0, 0, 0.1);
  --border-focus: 2px solid var(--color-coral);

  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 6px 16px rgba(0, 0, 0, 0.12);

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

  --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);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background-color: var(--surface-background);
  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-coral);
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-ink);
  line-height: var(--leading-h2);
  font-weight: 700;
}

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

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

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

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

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

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

li {
  line-height: var(--leading-body);
}

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
  border-inline-start: 3px solid var(--color-coral);
  font-style: italic;
}

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

figcaption {
  font-size: var(--text-small);
  line-height: var(--leading-small);
  color: var(--color-ink);
  opacity: 0.8;
  margin-block-start: var(--space-xs);
}

address {
  font-style: normal;
}

hr {
  border: none;
  border-block-start: var(--border-default);
  margin-block: var(--space-lg);
}

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

th,
td {
  padding: var(--space-sm) var(--space-md);
  border-block-end: var(--border-default);
  text-align: start;
}

th {
  font-weight: 700;
  font-family: var(--font-heading);
}

label {
  display: block;
  font-size: var(--text-label);
  line-height: var(--leading-label);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: var(--space-xs);
  color: var(--color-ink);
}

input,
textarea,
select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-default);
  border-radius: var(--radius-small);
  background-color: var(--color-white);
  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 {
  border-color: var(--color-cobalt);
  box-shadow: 0 0 0 2px rgba(0, 71, 171, 0.2);
  outline: none;
}

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

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='%231A1A1A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-inline-end: var(--space-xl);
}

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

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

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

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

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

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

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

.label {
  font-size: var(--text-label);
  line-height: var(--leading-label);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-small);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: 700;
  text-align: center;
  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;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-cobalt);
  color: var(--color-white);
  border-color: var(--color-cobalt);
}

.btn-primary:hover {
  background-color: #003a8c;
  border-color: #003a8c;
  color: var(--color-white);
}

.btn-accent {
  background-color: var(--color-coral);
  color: var(--color-ink);
  border-color: var(--color-coral);
}

.btn-accent:hover {
  background-color: #e66a3d;
  border-color: #e66a3d;
  color: var(--color-ink);
}

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

.btn-outline:hover {
  background-color: var(--color-cobalt);
  color: var(--color-white);
}

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

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

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

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

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

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

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

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

.grid-auto {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto > * {
  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-md);
  z-index: 9999;
  background-color: var(--color-cobalt);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-small);
  transition: top var(--transition-fast);
}

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

@media (max-width: 1024px) {
  :root {
    --text-display: 40px;
    --text-h1: 32px;
    --text-h2: 26px;
    --text-h3: 20px;
    --space-section: 64px;
  }
}

@media (max-width: 768px) {
  :root {
    --text-display: 36px;
    --text-h1: 28px;
    --text-h2: 24px;
    --text-h3: 20px;
    --space-section: 48px;
    --container-padding: var(--space-md);
  }

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

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

@media (max-width: 480px) {
  :root {
    --text-display: 32px;
    --text-h1: 26px;
    --text-h2: 22px;
    --text-h3: 18px;
    --space-section: 40px;
  }
}