:root {
  --color-paper: #F7F3EA;
  --color-paper-deep: #EFE9DB;
  --color-sticky-note: #FDF3B3;
  --color-sticky-note-deep: #F5E68C;
  --color-graphite: #3A3733;
  --color-graphite-soft: #6B6560;
  --color-ink-blue: #2F5D8C;
  --color-ink-blue-soft: #D6E4F0;
  --color-tape: #E8DCC8;
  --color-stamp-red: #B23A2E;
  --color-focus-ring: #2F5D8C;

  --font-heading: 'Caveat', 'Segoe Script', 'Bradley Hand', cursive;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --text-display-size: clamp(2.5rem, 5vw + 1rem, 3.5rem);
  --text-display-line-height: 1.05;
  --text-display-tracking: -0.02em;
  --text-h1-size: clamp(2rem, 3.5vw + 0.75rem, 2.5rem);
  --text-h1-line-height: 1.1;
  --text-h1-tracking: -0.01em;
  --text-h2-size: clamp(1.5rem, 2.5vw + 0.5rem, 1.875rem);
  --text-h2-line-height: 1.2;
  --text-h2-tracking: 0;
  --text-h3-size: 1.375rem;
  --text-h3-line-height: 1.3;
  --text-h3-tracking: 0;
  --text-body-large-size: 1.125rem;
  --text-body-large-line-height: 1.6;
  --text-body-large-tracking: 0;
  --text-body-size: 1rem;
  --text-body-line-height: 1.6;
  --text-body-tracking: 0;
  --text-caption-size: 0.8125rem;
  --text-caption-line-height: 1.4;
  --text-caption-tracking: 0.02em;
  --text-note-size: 1.25rem;
  --text-note-line-height: 1.4;
  --text-note-tracking: 0;

  --space-2: 2px;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-96: 96px;
  --space-128: 128px;

  --container-max: 1200px;
  --container-padding-mobile: 24px;
  --container-padding-tablet: 48px;
  --container-padding-desktop: 64px;

  --surface-shadow-small: 0 2px 6px rgba(58, 55, 51, 0.08);
  --surface-shadow-large: 0 6px 18px rgba(58, 55, 51, 0.10);

  --radius-0: 0px;
  --radius-2: 2px;
  --radius-4: 4px;
  --radius-8: 8px;
  --radius-round: 50%;

  --transition-fast: 150ms ease-out;
  --transition-base: 250ms ease-out;

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

*,
*::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-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-tracking);
  color: var(--color-graphite);
  background-color: var(--color-paper);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-graphite);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h1 {
  font-size: var(--text-h1-size);
  line-height: var(--text-h1-line-height);
  letter-spacing: var(--text-h1-tracking);
  margin-block-end: var(--space-24);
}

h2 {
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-line-height);
  letter-spacing: var(--text-h2-tracking);
  margin-block-end: var(--space-16);
}

h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
  letter-spacing: var(--text-h3-tracking);
  margin-block-end: var(--space-12);
}

h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-block-end: var(--space-8);
}

p {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-tracking);
  margin-block-end: var(--space-16);
}

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

a:hover {
  color: var(--color-ink-blue);
  text-decoration: underline;
  text-decoration-color: var(--color-ink-blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

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

ul,
ol {
  margin-block-end: var(--space-16);
  padding-inline-start: var(--space-24);
}

blockquote {
  margin-block-end: var(--space-16);
  padding-inline-start: var(--space-16);
  border-inline-start: 2px solid var(--color-ink-blue);
  color: var(--color-graphite-soft);
  font-style: italic;
}

figure {
  margin-block-end: var(--space-16);
}

figcaption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-graphite-soft);
  margin-block-start: var(--space-8);
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

label {
  display: block;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-graphite-soft);
  margin-block-end: var(--space-4);
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-12) var(--space-16);
  border: 1.5px solid var(--color-graphite);
  border-radius: var(--radius-4);
  background-color: var(--color-paper);
  color: var(--color-graphite);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-graphite-soft);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-ink-blue);
  box-shadow: 0 0 0 2px var(--color-ink-blue-soft);
}

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

hr {
  border: none;
  border-block-start: 1.5px dashed var(--color-ink-blue);
  margin-block: var(--space-24);
}

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

.section {
  padding-block: var(--space-32);
}

.surface-paper {
  background-color: var(--color-paper);
}

.surface-paper-deep {
  background-color: var(--color-paper-deep);
}

.surface-sticky-note {
  background-color: var(--color-sticky-note);
  border-radius: var(--radius-4);
  box-shadow: var(--surface-shadow-small);
  padding: var(--space-16);
}

.surface-card {
  background-color: var(--color-paper);
  border-radius: var(--radius-4);
  box-shadow: var(--surface-shadow-small);
  padding: var(--space-16);
}

.surface-panel {
  background-color: var(--color-paper);
  border-radius: var(--radius-8);
  box-shadow: var(--surface-shadow-large);
  padding: var(--space-24);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-12) var(--space-24);
  min-height: 44px;
  border-radius: var(--radius-4);
  background-color: var(--color-paper);
  border: 1.5px solid var(--color-graphite);
  color: var(--color-graphite);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  font-weight: 500;
  text-decoration: none;
  box-shadow: var(--surface-shadow-small);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--surface-shadow-large);
  text-decoration: none;
  color: var(--color-graphite);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 3px rgba(58, 55, 51, 0.08);
}

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

.btn-primary {
  background-color: var(--color-sticky-note);
  border-color: var(--color-graphite);
}

.btn-primary:hover {
  background-color: var(--color-sticky-note-deep);
}

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

.btn-ink:hover {
  background-color: #264b70;
  border-color: #264b70;
  color: var(--color-paper);
}

.btn-stamp {
  background-color: var(--color-stamp-red);
  border-color: var(--color-stamp-red);
  color: var(--color-paper);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.btn-stamp:hover {
  background-color: #9a3227;
  border-color: #9a3227;
  color: var(--color-paper);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-2);
  background-color: var(--color-paper-deep);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-graphite-soft);
}

.tag-sticky {
  background-color: var(--color-sticky-note);
  color: var(--color-graphite);
}

.tag-ink {
  background-color: var(--color-ink-blue-soft);
  color: var(--color-ink-blue);
}

.stamp {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-stamp-red);
  border: 2px solid var(--color-stamp-red);
  border-radius: var(--radius-2);
  padding: var(--space-4) var(--space-12);
  transform: rotate(-3deg);
  opacity: 0.85;
}

.tape {
  display: inline-block;
  background-color: var(--color-tape);
  opacity: 0.7;
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-2);
  transform: rotate(-2deg);
}

.note-text {
  font-family: var(--font-heading);
  font-size: var(--text-note-size);
  line-height: var(--text-note-line-height);
  letter-spacing: var(--text-note-tracking);
  color: var(--color-graphite);
}

.caption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-graphite-soft);
}

.display-title {
  font-family: var(--font-heading);
  font-size: var(--text-display-size);
  line-height: var(--text-display-line-height);
  letter-spacing: var(--text-display-tracking);
  color: var(--color-graphite);
  margin-block-end: var(--space-24);
}

.body-large {
  font-size: var(--text-body-large-size);
  line-height: var(--text-body-large-line-height);
  letter-spacing: var(--text-body-large-tracking);
}

.flex-row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-16);
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  flex-wrap: wrap;
}

.flex-start {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: var(--space-16);
  flex-wrap: wrap;
}

.flex-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-16);
  flex-wrap: wrap;
}

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

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

.flex-no-shrink {
  flex-shrink: 0;
}

.grid-auto {
  display: grid;
  gap: var(--space-16);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

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

.grid-collage {
  display: grid;
  gap: var(--space-16);
  grid-template-columns: 1fr;
}

.grid-collage > * {
  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-16);
  z-index: 10000;
  background-color: var(--color-paper);
  color: var(--color-graphite);
  padding: var(--space-12) var(--space-16);
  border: 1.5px solid var(--color-graphite);
  border-radius: var(--radius-4);
  font-weight: 500;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: var(--space-16);
}

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

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

.content-list {
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

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

.content-list @media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-tablet);
  }

  .section {
    padding-block: var(--space-48);
  }

  .grid-collage {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-24);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }

  .section {
    padding-block: var(--space-64);
  }

  .grid-collage {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-24);
  }
}

@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;
  }
}