:root {
  --color-paper: #ffffff;
  --color-mist: #f2f2f2;
  --color-ink: #000000;
  --color-hearth-red: #e63946;
  --color-muted-ink: #4a4a4a;
  --color-rule-soft: rgba(0, 0, 0, 0.2);
  --color-on-dark-muted: #d6d6d6;

  --font-sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;

  --text-display: clamp(3.25rem, 8vw, 8rem);
  --text-h1: clamp(2.75rem, 6vw, 5.5rem);
  --text-h2: clamp(2rem, 3.8vw, 3.75rem);
  --text-h3: clamp(1.35rem, 2vw, 2rem);
  --text-intro: clamp(1.25rem, 2vw, 1.75rem);
  --text-body: 1rem;
  --text-small: 0.75rem;
  --text-label: 0.8125rem;

  --leading-display: 0.92;
  --leading-h1: 0.94;
  --leading-h2: 0.98;
  --leading-h3: 1.08;
  --leading-intro: 1.2;
  --leading-body: 1.5;
  --leading-small: 1.25;
  --leading-label: 1;

  --tracking-heading: -0.035em;
  --tracking-small: 0.06em;
  --tracking-label: 0.08em;

  --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;
  --space-11: 10rem;

  --gutter: clamp(1.25rem, 4vw, 4rem);
  --container-wide: 90rem;
  --container-intro: 60rem;
  --container-reading: 45rem;

  --section-space: clamp(4rem, 8vw, 10rem);
  --section-space-compact: clamp(3rem, 5vw, 6rem);

  --border-strong: 1px solid var(--color-ink);
  --border-soft: 1px solid var(--color-rule-soft);
  --radius-none: 0;
  --shadow-none: none;

  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --focus-outline: 2px solid var(--color-ink);
  --focus-offset: 2px;
}

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

html {
  min-width: 0;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main,
header,
footer,
section,
article,
aside,
nav,
div,
form,
fieldset,
figure,
figcaption,
table,
tbody,
thead,
tfoot,
tr,
td,
th {
  min-width: 0;
}

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

img,
video {
  height: auto;
}

img {
  object-fit: cover;
}

button,
input,
select,
textarea {
  max-width: 100%;
  color: inherit;
  font: inherit;
}

button,
select {
  text-transform: none;
}

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

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

a {
  color: inherit;
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:not([class]) {
  text-decoration-color: currentColor;
}

a:hover,
a:focus-visible {
  text-decoration-color: var(--color-hearth-red);
}

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

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

hr {
  height: 1px;
  margin: var(--space-7) 0;
  border: 0;
  background: var(--color-ink);
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl,
blockquote,
figure,
table,
pre,
address {
  margin-top: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-weight: 800;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1 {
  margin-bottom: var(--space-6);
  font-size: var(--text-h1);
  line-height: var(--leading-h1);
  letter-spacing: var(--tracking-heading);
}

h2 {
  margin-bottom: var(--space-5);
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  letter-spacing: var(--tracking-heading);
}

h3 {
  margin-bottom: var(--space-4);
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  letter-spacing: -0.025em;
}

h4,
h5,
h6 {
  margin-bottom: var(--space-3);
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

p {
  margin-bottom: var(--space-5);
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

ul,
ol {
  margin-bottom: var(--space-5);
  padding-left: 1.25em;
}

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

.content-list > li {
  margin-bottom: var(--space-2);
}

.content-list > li:last-child {
  margin-bottom: 0;
}

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

dt {
  font-weight: 700;
}

dd {
  margin: 0 0 var(--space-3);
}

blockquote {
  margin-right: 0;
  margin-bottom: var(--space-6);
  margin-left: 0;
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-hearth-red);
  font-size: var(--text-intro);
  line-height: var(--leading-intro);
}

blockquote > :last-child,
.content-group > :last-child,
.panel > :last-child,
.card > :last-child,
.surface-mist > :last-child,
.surface-ink > :last-child {
  margin-bottom: 0;
}

figure {
  margin-bottom: var(--space-5);
}

figcaption {
  margin-top: var(--space-3);
  color: var(--color-muted-ink);
  font-size: var(--text-small);
  font-weight: 600;
  line-height: var(--leading-small);
  letter-spacing: var(--tracking-small);
  text-transform: uppercase;
}

table {
  width: 100%;
  margin-bottom: var(--space-6);
  border-collapse: collapse;
  border-top: var(--border-strong);
  text-align: left;
}

th,
td {
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--border-soft);
  vertical-align: top;
  overflow-wrap: anywhere;
}

th {
  font-size: var(--text-small);
  font-weight: 700;
  letter-spacing: var(--tracking-small);
  text-transform: uppercase;
}

address {
  margin-bottom: var(--space-5);
  font-style: normal;
}

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

strong,
b {
  font-weight: 700;
}

em,
i {
  font-style: italic;
}

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

pre {
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  overflow: auto;
  background: var(--color-mist);
  border: var(--border-soft);
}

fieldset {
  margin: 0 0 var(--space-5);
  padding: var(--space-5);
  border: var(--border-strong);
}

legend {
  padding: 0 var(--space-2);
  font-weight: 700;
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-label);
  font-weight: 600;
  line-height: var(--leading-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  min-height: 3rem;
  padding: var(--space-3);
  border: var(--border-strong);
  border-radius: var(--radius-none);
  background: var(--color-paper);
  line-height: 1.25;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-muted-ink);
  opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-ink);
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.25rem;
  min-height: 1.25rem;
  padding: 0;
  accent-color: var(--color-hearth-red);
}

input[type="file"] {
  min-height: 3rem;
  padding: var(--space-2);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 3rem;
  padding: 0 var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-none);
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  line-height: var(--leading-label);
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

button:hover,
.button:hover {
  background: var(--color-hearth-red);
  color: var(--color-paper);
}

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

button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
}

.button--primary {
  background: var(--color-hearth-red);
  border-color: var(--color-hearth-red);
}

.button--primary:hover {
  background: var(--color-ink);
  border-color: var(--color-ink);
}

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

.button--tertiary {
  min-height: 2.75rem;
  padding-right: 0;
  padding-left: 0;
  border: 0;
  border-bottom: 2px solid var(--color-ink);
  background: transparent;
  color: var(--color-ink);
  justify-content: flex-start;
}

.button--tertiary:hover {
  border-color: var(--color-hearth-red);
  background: transparent;
  color: var(--color-hearth-red);
}

.button--full {
  width: 100%;
}

.container {
  width: min(calc(100% - (2 * var(--gutter))), var(--container-wide));
  margin-right: auto;
  margin-left: auto;
}

.container--intro {
  width: min(calc(100% - (2 * var(--gutter))), var(--container-intro));
  margin-right: auto;
  margin-left: auto;
}

.container--reading {
  width: min(calc(100% - (2 * var(--gutter))), var(--container-reading));
  margin-right: auto;
  margin-left: auto;
}

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

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

.section-rule {
  border-top: var(--border-strong);
}

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

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

.surface-ink h1,
.surface-ink h2,
.surface-ink h3,
.surface-ink h4,
.surface-ink h5,
.surface-ink h6 {
  color: var(--color-paper);
}

.surface-ink p,
.surface-ink small,
.surface-ink figcaption {
  color: var(--color-on-dark-muted);
}

.surface-ink a:not(.button) {
  color: var(--color-paper);
}

.surface-ink a:not(.button):hover,
.surface-ink a:not(.button):focus-visible {
  color: var(--color-paper);
  text-decoration-color: var(--color-hearth-red);
}

.surface-ink :focus-visible {
  outline-color: var(--color-hearth-red);
}

.panel,
.card {
  padding: clamp(var(--space-5), 4vw, var(--space-8));
  border: var(--border-strong);
  border-radius: var(--radius-none);
  box-shadow: var(--shadow-none);
}

.panel--mist,
.card--mist {
  background: var(--color-mist);
}

.panel--ink,
.card--ink {
  background: var(--color-ink);
  color: var(--color-paper);
}

.panel--ink h1,
.panel--ink h2,
.panel--ink h3,
.panel--ink h4,
.panel--ink h5,
.panel--ink h6,
.card--ink h1,
.card--ink h2,
.card--ink h3,
.card--ink h4,
.card--ink h5,
.card--ink h6 {
  color: var(--color-paper);
}

.panel--ink p,
.card--ink p {
  color: var(--color-on-dark-muted);
}

.eyebrow,
.label,
.meta {
  font-size: var(--text-small);
  font-weight: 600;
  line-height: var(--leading-small);
  letter-spacing: var(--tracking-small);
  text-transform: uppercase;
}

.eyebrow,
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-hearth-red);
}

.eyebrow::before,
.label::before {
  width: 0.5rem;
  height: 2px;
  flex: 0 0 auto;
  background: currentColor;
  content: "";
}

.meta {
  color: var(--color-muted-ink);
}

.display {
  margin-bottom: var(--space-6);
  font-size: var(--text-display);
  font-weight: 800;
  line-height: var(--leading-display);
  letter-spacing: -0.045em;
}

.intro {
  margin-bottom: var(--space-6);
  font-size: var(--text-intro);
  line-height: var(--leading-intro);
}

.rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-strong);
}

.rule-list > li {
  padding-block: var(--space-4);
  border-bottom: var(--border-strong);
}

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

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

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

.stack--3 {
  gap: var(--space-3);
}

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

.stack--5 {
  gap: var(--space-5);
}

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

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

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

.media-frame {
  overflow: hidden;
  background: var(--color-mist);
  border-radius: var(--radius-none);
}

.media-frame > img,
.media-frame > picture,
.media-frame > video {
  width: 100%;
  height: 100%;
}

.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--3-2 {
  aspect-ratio: 3 / 2;
}

.media-frame--4-3 {
  aspect-ratio: 4 / 3;
}

.media-frame--16-9 {
  aspect-ratio: 16 / 9;
}

.media-frame--square {
  aspect-ratio: 1;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  margin: -1px;
  white-space: nowrap;
}

@media (max-width: 47.5rem) {
  :root {
    --section-space: clamp(4rem, 14vw, 6rem);
    --section-space-compact: clamp(3rem, 10vw, 4rem);
  }

  h1 {
    margin-bottom: var(--space-5);
  }

  h2 {
    margin-bottom: var(--space-4);
  }

  .panel,
  .card {
    padding: var(--space-5);
  }

  .button--full-mobile {
    width: 100%;
  }
}

@media (max-width: 35rem) {
  body {
    font-size: 0.9375rem;
  }

  .display {
    letter-spacing: -0.04em;
  }

  th,
  td {
    padding: var(--space-3) 0;
  }
}

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

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