:root {
  --color-paper: #f4f0e8;
  --color-paper-bright: #fbf9f4;
  --color-concrete: #d9d8d2;
  --color-blue-grey: #7d8b91;
  --color-dusk: #27343a;
  --color-charcoal: #24282a;
  --color-peach: #e7a58d;
  --color-peach-dark: #b96f5d;
  --color-line: #c8c8c1;
  --color-white: #fffdf7;

  --font-body: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "DM Serif Display", Georgia, serif;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: clamp(1.375rem, 2vw, 1.75rem);
  --text-2xl: clamp(1.75rem, 3vw, 2.5rem);
  --text-page-title: clamp(2.375rem, 5vw, 4rem);
  --text-display: clamp(2.625rem, 6vw, 4.75rem);

  --leading-tight: 0.98;
  --leading-heading: 1.1;
  --leading-body: 1.55;
  --leading-intro: 1.45;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --container-max: 75rem;
  --container-width: min(calc(100% - 4rem), var(--container-max));
  --container-article: 42.5rem;
  --container-editorial: 57.5rem;

  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-full: 999px;

  --border-default: 1px solid var(--color-line);
  --border-light: 1px solid rgba(255, 253, 247, 0.22);
  --shadow-diary: 0 12px 36px rgba(36, 40, 42, 0.14);

  --transition-fast: 160ms ease-out;
  --focus-light: var(--color-charcoal);
  --focus-dark: var(--color-white);
}

@media (max-width: 51.25rem) {
  :root {
    --container-width: min(calc(100% - 3.5rem), var(--container-max));
  }
}

@media (max-width: 43.75rem) {
  :root {
    --container-width: min(calc(100% - 2.5rem), var(--container-max));
  }
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-paper);
  color: var(--color-charcoal);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

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

img,
video {
  height: auto;
}

iframe {
  display: block;
  max-width: 100%;
  border: 0;
}

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

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  appearance: none;
}

button:not(:disabled),
[type="button"]:not(:disabled),
[type="reset"]:not(:disabled),
[type="submit"]:not(:disabled),
label[for],
select:not(:disabled) {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  border: var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--color-paper-bright);
  padding: var(--space-2) var(--space-3);
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-blue-grey);
  opacity: 1;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.125rem;
  min-height: 1.125rem;
  margin: 0;
  accent-color: var(--color-peach-dark);
}

fieldset {
  min-width: 0;
  margin: 0 0 var(--space-6);
  border: 0;
  padding: 0;
}

legend {
  margin-bottom: var(--space-2);
  padding: 0;
  font-weight: 600;
}

label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
}

a {
  color: inherit;
  text-decoration-color: var(--color-peach-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus-light);
  outline-offset: 3px;
}

::selection {
  background: var(--color-peach);
  color: var(--color-charcoal);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  color: inherit;
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: var(--leading-heading);
  letter-spacing: -0.018em;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-page-title);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--text-2xl);
}

h3 {
  font-size: var(--text-xl);
  line-height: 1.15;
}

h4 {
  font-size: 1.125rem;
  line-height: 1.2;
}

h5,
h6 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0;
}

p {
  margin: 0 0 var(--space-6);
}

ul,
ol {
  margin: 0 0 var(--space-6);
  padding-left: 1.25rem;
}

ul ul,
ul ol,
ol ul,
ol ol {
  margin-top: var(--space-3);
  margin-bottom: 0;
}

blockquote {
  margin: 0 0 var(--space-6);
  border-left: 2px solid var(--color-peach);
  padding-left: var(--space-4);
  color: var(--color-dusk);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-intro);
}

figure {
  margin: 0 0 var(--space-6);
}

figcaption {
  margin-top: var(--space-2);
  color: var(--color-blue-grey);
  font-size: var(--text-sm);
  line-height: 1.4;
}

hr {
  height: 1px;
  margin: var(--space-8) 0;
  border: 0;
  background: var(--color-line);
}

table {
  width: 100%;
  margin: 0 0 var(--space-6);
  border-collapse: collapse;
  border-spacing: 0;
}

caption {
  margin-bottom: var(--space-2);
  color: var(--color-blue-grey);
  font-size: var(--text-sm);
  text-align: left;
}

th,
td {
  border-bottom: var(--border-default);
  padding: var(--space-3);
  text-align: left;
  vertical-align: top;
}

th {
  font-weight: 600;
}

details {
  margin: 0 0 var(--space-4);
  border-top: var(--border-default);
  border-bottom: var(--border-default);
}

summary {
  min-height: 2.75rem;
  padding: var(--space-3) 0;
  font-weight: 600;
  cursor: pointer;
}

summary::marker {
  color: var(--color-peach-dark);
}

details > :not(summary) {
  margin-left: 0;
  margin-right: 0;
}

details > :last-child {
  margin-bottom: var(--space-4);
}

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

.container--article {
  width: min(var(--container-width), var(--container-article));
  margin-inline: auto;
}

.container--editorial {
  width: min(var(--container-width), var(--container-editorial));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-20);
}

.section--compact {
  padding-block: var(--space-12);
}

.section--large {
  padding-block: var(--space-24);
}

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

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

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

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

.surface-dusk a:hover {
  color: var(--color-peach);
}

.surface-dusk :focus-visible {
  outline-color: var(--focus-dark);
}

.card,
.panel {
  border: var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--color-paper-bright);
  padding: var(--space-6);
}

.diary-panel {
  border: var(--border-light);
  border-radius: var(--radius-md);
  background: rgba(251, 249, 244, 0.9);
  box-shadow: var(--shadow-diary);
  color: var(--color-charcoal);
  padding: var(--space-6);
  backdrop-filter: blur(8px);
}

.rule {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--color-line);
}

.rule--short {
  width: 4rem;
}

.eyebrow,
.meta {
  margin: 0 0 var(--space-2);
  color: var(--color-blue-grey);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.display-title {
  font-size: var(--text-display);
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
}

.action {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.action:hover {
  text-decoration: none;
}

.action--primary {
  background: var(--color-peach);
  color: var(--color-charcoal);
}

.action--primary:hover {
  background: var(--color-peach-dark);
  color: var(--color-paper-bright);
}

.action--secondary {
  border-color: var(--color-charcoal);
  background: transparent;
  color: var(--color-charcoal);
}

.action--secondary:hover {
  border-color: var(--color-peach-dark);
  background: var(--color-peach-dark);
  color: var(--color-paper-bright);
}

.action--dark {
  border-color: var(--color-white);
  background: transparent;
  color: var(--color-white);
}

.action--dark:hover {
  border-color: var(--color-peach);
  background: var(--color-peach);
  color: var(--color-charcoal);
}

.action--external::after {
  content: "↗";
  font-size: 0.95em;
  line-height: 1;
}

.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  text-decoration: none;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(3px);
}

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
}

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

.stack--xs {
  gap: var(--space-1);
}

.stack--sm {
  gap: var(--space-2);
}

.stack--md {
  gap: var(--space-4);
}

.stack--lg {
  gap: var(--space-6);
}

.stack--xl {
  gap: var(--space-8);
}

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

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

.cluster--start {
  justify-content: flex-start;
}

.cluster--between {
  justify-content: space-between;
}

.cluster--end {
  justify-content: flex-end;
}

.content-list {
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
}

.content-list > li {
  padding-block: var(--space-3);
  border-bottom: var(--border-default);
}

.content-list > li:first-child {
  border-top: var(--border-default);
}

.card > :last-child,
.panel > :last-child,
.diary-panel > :last-child,
.stack > :last-child,
.content-list > li > :last-child,
.surface-bright > .container > :last-child,
.surface-concrete > .container > :last-child,
.surface-dusk > .container > :last-child {
  margin-bottom: 0;
}

@media (max-width: 51.25rem) {
  .section {
    padding-block: var(--space-16);
  }

  .section--large {
    padding-block: var(--space-20);
  }
}

@media (max-width: 43.75rem) {
  h1 {
    font-size: clamp(2.25rem, 11vw, 3.25rem);
    line-height: 1.02;
  }

  .section {
    padding-block: var(--space-12);
  }

  .section--compact {
    padding-block: var(--space-8);
  }

  .section--large {
    padding-block: var(--space-16);
  }

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

  .intro {
    font-size: 1.125rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}