:root {
  --color-paper: #f2ebdd;
  --color-paper-shadow: #e5d8c4;
  --color-juniper: #233d35;
  --color-sage: #72816b;
  --color-wine: #7a2f35;
  --color-ink: #1d211e;
  --color-brass: #a8844f;
  --color-smoked-glass: #29302c;
  --color-light: #fbf7ee;

  --color-text: var(--color-ink);
  --color-text-inverse: var(--color-light);
  --color-link: var(--color-wine);
  --color-border: rgb(29 33 30 / 20%);
  --color-border-soft: rgb(35 61 53 / 18%);
  --color-border-brass: rgb(168 132 79 / 72%);
  --color-focus: var(--color-brass);
  --color-error: var(--color-wine);

  --font-heading: "Cormorant Garamond", Georgia, serif;
  --font-body: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;

  --text-2xs: 0.75rem;
  --text-xs: 0.875rem;
  --text-sm: 1rem;
  --text-md: 1.1875rem;
  --text-lg: 1.5rem;
  --text-xl: 2rem;
  --text-2xl: clamp(2.25rem, 4vw, 2.75rem);
  --text-3xl: clamp(2.75rem, 5.5vw, 3.75rem);
  --text-display: clamp(3rem, 7vw, 4.75rem);

  --leading-tight: 0.98;
  --leading-heading: 1.05;
  --leading-body: 1.6;
  --leading-relaxed: 1.7;

  --tracking-meta: 0.1em;
  --tracking-wide: 0.06em;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --container-max: 77.5rem;
  --container-padding: 2rem;
  --container-reading: 42.5rem;
  --container-practical: 51.25rem;

  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-pill: 999px;

  --shadow-soft: 0 8px 24px rgb(29 33 30 / 12%);
  --shadow-none: none;

  --duration-fast: 160ms;
  --duration-base: 220ms;
  --duration-panel: 280ms;
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);

  --section-space: clamp(3rem, 7vw, 8rem);
}

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

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

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

::selection {
  background: var(--color-juniper);
  color: var(--color-light);
}

:where(main, header, footer, section, article, aside, nav, div) {
  min-width: 0;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  color: inherit;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: var(--leading-heading);
  text-wrap: balance;
}

h1 {
  margin-block-end: var(--space-6);
  font-size: var(--text-display);
  line-height: var(--leading-tight);
}

h2 {
  margin-block-end: var(--space-5);
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
}

h3 {
  margin-block-end: var(--space-4);
  font-size: var(--text-2xl);
}

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

h5 {
  margin-block-end: var(--space-3);
  font-size: var(--text-lg);
}

h6 {
  margin-block-end: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-meta);
  line-height: 1.3;
  text-transform: uppercase;
}

p {
  margin-block-end: var(--space-5);
  line-height: var(--leading-body);
}

ul,
ol {
  margin-block-end: var(--space-5);
  padding-inline-start: 1.35em;
}

ul ul,
ul ol,
ol ul,
ol ol {
  margin-block: var(--space-2) 0;
}

li::marker {
  color: var(--color-wine);
}

dl {
  margin-block-end: var(--space-5);
}

dt {
  font-weight: 700;
}

dd {
  margin-inline-start: 0;
  margin-block-end: var(--space-3);
}

blockquote {
  margin-inline: 0;
  margin-block-end: var(--space-6);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-inline-start: 1px solid var(--color-border-brass);
  color: var(--color-juniper);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-style: italic;
  line-height: 1.2;
}

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

cite {
  color: var(--color-sage);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-style: normal;
  font-weight: 700;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

hr {
  height: 1px;
  border: 0;
  border-top: 1px solid var(--color-border-brass);
}

small {
  font-size: var(--text-xs);
}

strong {
  font-weight: 700;
}

em {
  font-style: italic;
}

a {
  color: var(--color-link);
  text-decoration-color: currentcolor;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition:
    color var(--duration-base) var(--ease-out),
    text-decoration-color var(--duration-base) var(--ease-out);
}

a:hover {
  text-decoration-thickness: 2px;
}

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

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

img,
video {
  height: auto;
}

svg {
  fill: currentcolor;
}

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

figcaption {
  margin-block-start: var(--space-3);
  color: var(--color-sage);
  font-size: var(--text-xs);
  line-height: 1.45;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  font-variant-numeric: tabular-nums;
}

caption {
  margin-block-end: var(--space-3);
  text-align: left;
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-soft);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-juniper);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
}

code,
kbd,
samp,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

code,
kbd,
samp {
  padding: 0.1em 0.35em;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-paper-shadow);
  font-size: 0.9em;
}

pre {
  margin-block-end: var(--space-5);
  padding: var(--space-4);
  overflow-x: auto;
  border: 1px solid var(--color-border-soft);
  background: var(--color-paper-shadow);
  line-height: 1.5;
}

button,
input,
select,
textarea {
  margin: 0;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  appearance: none;
  border-radius: 0;
  cursor: pointer;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-light);
  line-height: 1.4;
}

input,
select {
  min-height: 3rem;
  padding: 0.65rem 0.75rem;
}

textarea {
  min-height: 8rem;
  padding: 0.75rem;
  resize: vertical;
}

select {
  cursor: pointer;
}

input::placeholder,
textarea::placeholder {
  color: rgb(29 33 30 / 62%);
  opacity: 1;
}

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

input[type="file"] {
  min-height: auto;
  padding: var(--space-2);
}

fieldset {
  min-width: 0;
  margin: 0 0 var(--space-5);
  padding: var(--space-4);
  border: 1px solid var(--color-border-soft);
}

legend {
  padding-inline: var(--space-2);
  color: var(--color-juniper);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
}

label {
  display: block;
  margin-block-end: var(--space-2);
  color: var(--color-juniper);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
}

button,
input,
select,
textarea {
  transition:
    border-color var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgb(35 61 53 / 48%);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-juniper);
  box-shadow: 0 0 0 2px rgb(168 132 79 / 26%);
  outline: none;
}

[aria-invalid="true"] {
  border-color: var(--color-error);
}

[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 2px rgb(122 47 53 / 22%);
}

[hidden] {
  display: none !important;
}

.container {
  width: min(100% - (var(--container-padding) * 2), var(--container-max));
  margin-inline: auto;
}

.container--reading {
  width: min(100% - (var(--container-padding) * 2), var(--container-reading));
  margin-inline: auto;
}

.container--practical {
  width: min(100% - (var(--container-padding) * 2), var(--container-practical));
  margin-inline: auto;
}

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

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

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

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

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

.surface-smoked {
  background-color: var(--color-smoked-glass);
  color: var(--color-light);
}

.surface-juniper a,
.surface-wine a,
.surface-smoked a {
  color: var(--color-light);
}

.eyebrow {
  margin-block-end: var(--space-3);
  color: var(--color-wine);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}

.surface-juniper .eyebrow,
.surface-wine .eyebrow,
.surface-smoked .eyebrow {
  color: var(--color-paper-shadow);
}

.meta {
  color: var(--color-sage);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-meta);
  line-height: 1.4;
  text-transform: uppercase;
}

.surface-juniper .meta,
.surface-wine .meta,
.surface-smoked .meta {
  color: var(--color-paper-shadow);
}

.note {
  color: var(--color-sage);
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-style: italic;
  line-height: 1.25;
}

.rule {
  height: 1px;
  border: 0;
  background: var(--color-border-brass);
}

.frame {
  border: 1px solid var(--color-border-brass);
}

.panel {
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  border: 1px solid var(--color-border-brass);
  background: var(--color-paper-shadow);
}

.panel > :last-child,
.stack > :last-child,
.cluster > :last-child {
  margin-block-end: 0;
}

.card {
  padding: var(--space-5);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-paper-shadow);
  box-shadow: var(--shadow-none);
}

.card--raised {
  box-shadow: var(--shadow-soft);
}

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

.stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-4);
}

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

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

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

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

.cluster--start {
  align-items: flex-start;
}

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

.button {
  display: inline-flex;
  min-width: 0;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-juniper);
  color: var(--color-light);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.button:hover {
  background: var(--color-smoked-glass);
  color: var(--color-light);
  text-decoration: none;
  transform: translateY(-1px);
}

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

.button--secondary {
  border-color: var(--color-wine);
  background: transparent;
  color: var(--color-wine);
}

.button--secondary:hover {
  background: var(--color-wine);
  color: var(--color-light);
}

.button--light {
  border-color: var(--color-light);  
}

.button--light:hover {
  border-color: var(--color-paper-shadow);
  background: var(--color-paper-shadow);
  color: var(--color-juniper);
}

.button--outline-light {
  border-color: rgb(251 247 238 / 74%);
  background: transparent;
  color: var(--color-light);
}

.button--outline-light:hover {
  background: var(--color-light);
  color: var(--color-juniper);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-200%);
  border: 1px solid var(--color-brass);
  background: var(--color-juniper);
  color: var(--color-light);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 48rem) {
  :root {
    --container-padding: 1.25rem;
    --section-space: clamp(3rem, 12vw, 4rem);
  }

  h1 {
    margin-block-end: var(--space-5);
    font-size: clamp(2.25rem, 11vw, 2.625rem);
  }

  h2 {
    font-size: clamp(2rem, 9vw, 2.5rem);
  }

  h3 {
    font-size: clamp(1.75rem, 7vw, 2.125rem);
  }

  .button-group {
    align-items: stretch;
  }

  .button {    
    width: 100%;
  }

  th,
  td {
    padding: var(--space-3) var(--space-2);
  }
}

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

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