:root {
  --color-chalk-white: #F5F0E6;
  --color-raspberry-red: #C8102E;
  --color-olive: #6B8E23;
  --color-ink-blue: #1F2A44;
  --color-ink-blue-soft: #2A3A5C;
  --color-chalk-white-soft: #F5F0E6;
  --color-raspberry-dark: #A00D26;
  --color-olive-dark: #556B2F;

  --font-heading: "Caveat", cursive;
  --font-body: "Nunito Sans", sans-serif;

  --text-display: clamp(2.5rem, 5vw, 3.5rem);
  --text-h1: clamp(2rem, 4vw, 2.5rem);
  --text-h2: clamp(1.5rem, 3vw, 2rem);
  --text-h3: 1.5rem;
  --text-body: 1rem;
  --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-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --container-main: 1200px;
  --container-wide: 1600px;

  --surface-primary: #F5F0E6;
  --surface-card: #FBF8F1;
  --surface-dark: #1F2A44;

  --border-width: 2px;
  --border-style-solid: solid;
  --border-style-dashed: dashed;
  --border-color-primary: #1F2A44;
  --border-color-secondary: #6B8E23;
  --border-color-accent: #C8102E;

  --shadow-card: 0 2px 8px rgba(31, 42, 68, 0.1);
  --shadow-card-hover: 0 4px 16px rgba(31, 42, 68, 0.18);

  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-pill: 9999px;

  --transition-fast: 0.2s ease;
}

*,
*::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);
  line-height: var(--leading-body);
  color: var(--color-ink-blue);
  background-color: var(--color-chalk-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  flex: 1 0 auto;
  width: 100%;
}

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

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

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

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

h4 {
  font-size: 1.25rem;
  line-height: 1.4;
  margin-block-end: var(--space-sm);
}

h5 {
  font-size: 1.125rem;
  line-height: 1.4;
  margin-block-end: var(--space-sm);
}

h6 {
  font-size: 1rem;
  line-height: 1.4;
  margin-block-end: var(--space-sm);
}

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

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

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

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

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
  border-inline-start: var(--border-width) var(--border-style-dashed) var(--color-olive);
  font-style: italic;
  color: var(--color-ink-blue-soft);
}

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

a {
  color: var(--color-raspberry-red);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-raspberry-dark);
}

a:focus-visible {
  outline: var(--border-width) var(--border-style-dashed) var(--color-olive);
  outline-offset: 3px;
}

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

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

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

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

figcaption {
  font-size: var(--text-small);
  line-height: var(--leading-small);
  color: var(--color-ink-blue-soft);
  margin-block-start: var(--space-xs);
  text-align: center;
}

hr {
  border: none;
  border-block-start: var(--border-width) var(--border-style-dashed) var(--color-olive);
  margin-block: var(--space-xl);
}

strong,
b {
  font-weight: 700;
  color: var(--color-ink-blue);
}

em,
i {
  font-style: italic;
}

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

code,
pre,
kbd,
samp {
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

pre {
  background-color: var(--color-ink-blue);
  color: var(--color-chalk-white-soft);
  padding: var(--space-md);
  border-radius: var(--radius-medium);
  overflow-x: auto;
  margin-block-end: var(--space-md);
}

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

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

mark {
  background-color: rgba(200, 16, 46, 0.15);
  color: var(--color-ink-blue);
  padding-inline: 2px;
}

button,
input,
select,
textarea {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-ink-blue);
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-raspberry-red);
  color: var(--color-chalk-white);
  border: var(--border-width) var(--border-style-solid) var(--color-raspberry-red);
  border-radius: var(--radius-small);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  min-height: 44px;
}

button:hover {
  background-color: var(--color-raspberry-dark);
  border-color: var(--color-raspberry-dark);
}

button:active {
  transform: translateY(1px);
}

button:focus-visible {
  outline: var(--border-width) var(--border-style-dashed) var(--color-olive);
  outline-offset: 3px;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-chalk-white);
  border: var(--border-width) var(--border-style-solid) var(--color-ink-blue);
  border-radius: var(--radius-small);
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

input:focus,
select:focus,
textarea:focus {
  outline: var(--border-width) var(--border-style-dashed) var(--color-olive);
  outline-offset: 2px;
  border-color: var(--color-olive);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-ink-blue-soft);
  opacity: 0.7;
}

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

select {
  appearance: auto;
  cursor: pointer;
}

label {
  display: block;
  font-weight: 700;
  margin-block-end: var(--space-xs);
  color: var(--color-ink-blue);
}

fieldset {
  border: var(--border-width) var(--border-style-solid) var(--color-ink-blue);
  border-radius: var(--radius-medium);
  padding: var(--space-lg);
  margin-block-end: var(--space-md);
}

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

legend {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  padding-inline: var(--space-sm);
  color: var(--color-ink-blue);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-md);
  font-size: var(--text-small);
  line-height: var(--leading-small);
}

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

caption {
  font-weight: 700;
  text-align: start;
  margin-block-end: var(--space-sm);
  color: var(--color-ink-blue-soft);
}

th,
td {
  padding: var(--space-sm) var(--space-md);
  text-align: start;
  border-block-end: 1px solid rgba(31, 42, 68, 0.15);
}

th {
  font-weight: 700;
  background-color: rgba(31, 42, 68, 0.05);
  color: var(--color-ink-blue);
}

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

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

.surface-card {
  background-color: var(--surface-card);
  border: var(--border-width) var(--border-style-dashed) var(--color-ink-blue);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.surface-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.surface-dark {
  background-color: var(--surface-dark);
  color: var(--color-chalk-white-soft);
}

.surface-dark h1,
.surface-dark h2,
.surface-dark h3,
.surface-dark h4,
.surface-dark h5,
.surface-dark h6 {
  color: var(--color-chalk-white-soft);
}

.surface-dark p,
.surface-dark li,
.surface-dark blockquote {
  color: var(--color-chalk-white-soft);
}

.surface-dark a {
  color: var(--color-chalk-white-soft);
  text-decoration-color: var(--color-olive);
}

.surface-dark a:hover {
  color: var(--color-raspberry-red);
}

.btn-primary {
  background-color: var(--color-raspberry-red);
  border-color: var(--color-raspberry-red);
  color: var(--color-chalk-white);
}

.btn-primary:hover {
  background-color: var(--color-raspberry-dark);
  border-color: var(--color-raspberry-dark);
}

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

.btn-secondary:hover {
  background-color: var(--color-olive);
  border-color: var(--color-olive);
  color: var(--color-chalk-white);
}

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

.btn-outline:hover {
  background-color: var(--color-ink-blue);
  border-color: var(--color-ink-blue);
  color: var(--color-chalk-white);
}

.btn-pill {
  border-radius: var(--radius-pill);
  padding-inline: var(--space-xl);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: var(--border-width) var(--border-style-solid) var(--color-olive);
  color: var(--color-raspberry-red);
  font-weight: 700;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-small);
  line-height: var(--leading-small);
  min-height: 32px;
}

.chalk-border {
  border: var(--border-width) var(--border-style-dashed) var(--color-ink-blue);
}

.chalk-border-olive {
  border: var(--border-width) var(--border-style-dashed) var(--color-olive);
}

.chalk-border-accent {
  border: var(--border-width) var(--border-style-dashed) var(--color-raspberry-red);
}

.polaroid-frame {
  background-color: var(--color-chalk-white);
  padding: var(--space-sm) var(--space-sm) var(--space-lg);
  border: var(--border-width) var(--border-style-solid) var(--color-chalk-white);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-small);
}

.polaroid-frame img {
  border-radius: 0;
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-small);
  line-height: var(--leading-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-olive);
  margin-block-end: var(--space-sm);
}

.sr-only {
  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: 1000;
  background-color: var(--color-ink-blue);
  color: var(--color-chalk-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-small);
  text-decoration: none;
  font-weight: 700;
  transition: top var(--transition-fast);
}

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

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

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

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

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

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

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

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

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

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

.flex-grow {
  flex-grow: 1;
}

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

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

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

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

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

@media (max-width: 768px) {
  :root {
    --text-display: 2.5rem;
    --text-h1: 2rem;
    --text-h2: 1.5rem;
    --text-h3: 1.25rem;
  }

  .container,
  .container-wide {
    padding-inline: var(--space-md);
  }

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

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

  .flex-row > *,
  .flex-between > * {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --text-display: 2rem;
    --text-h1: 1.75rem;
    --text-h2: 1.375rem;
    --text-h3: 1.125rem;
  }

  .container,
  .container-wide {
    padding-inline: var(--space-sm);
  }

  button {
    width: 100%;
  }
}