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

@font-face {
  font-family: "Inter Tight";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/InterTight-SemiBold.woff2") format("woff2");
}

@font-face {
  font-family: "Inter Tight";
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/InterTight-Italic_SemiBold-Italic.woff2") format("woff2");
}

:root {
  --color-page: #ffffff;
  --color-band: #f5f5f7;
  --color-text: #1d1d1f;
  --color-accent: #1f6bb5;
  --color-fill: #0091ff;
  --color-on-fill: #ffffff;
  --color-line: color-mix(in srgb, var(--color-text) 12%, transparent);
  --color-muted: color-mix(in srgb, var(--color-text) 64%, var(--color-page));
  --color-card: color-mix(in srgb, var(--color-text) 5.5%, var(--color-page));
  --color-card-on-band: var(--color-page);
  --color-star: #ffcc00;
  --font: system-ui, -apple-system, sans-serif;
  --font-brand: "Inter Tight", var(--font);
  --text: clamp(1rem, 0.92rem + 0.35vw, 1.125rem);
  --h1: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  --h2: clamp(1.35rem, 1.1rem + 1vw, 1.85rem);
  --h3: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --leading: 1.5;
  --space-xs: 0.25rem;
  --space-s: 0.5rem;
  --space-m: 1rem;
  --space-l: 1.5rem;
  --space-xl: clamp(2.5rem, 2rem + 2vw, 4rem);
  --space-2xl: clamp(4rem, 3rem + 3vw, 6rem);
  --space-page: clamp(1rem, 4vw, 1.5rem);
  --measure: 96ch;
  --wide: 76rem;
  --spotlight: 44rem;
  --phone: 16rem;
  --tap: 2.75rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-page: #000000;
    --color-band: #1d1d1f;
    --color-text: #f5f5f7;
    --color-accent: #7eabd8;
    --color-fill: color-mix(in srgb, #0091ff 72%, black);
    --color-card: color-mix(in srgb, var(--color-text) 12%, var(--color-page));
    --color-card-on-band: color-mix(in srgb, var(--color-text) 12%, var(--color-band));
  }
}

html {
  color-scheme: light dark;
  -webkit-text-size-adjust: 100%;
  background-color: var(--color-page);
}

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-block-size: 100dvb;
  font-family: var(--font);
  font-size: var(--text);
  line-height: var(--leading);
  color: var(--color-text);
  background-color: var(--color-page);
  overflow-wrap: anywhere;
}

main {
  flex: 1 0 auto;
}

img {
  max-inline-size: 100%;
  block-size: auto;
}

a picture {
  display: inline-block;
}

main > :is(header, section):has(> figure) {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xl);
}

main > header:has(> figure),
main > .spotlight:has(> figure) {
  justify-content: center;
}

main > :is(header, section):has(> figure) > :not(figure) {
  flex: 1 1 22rem;
  min-inline-size: min(100%, 22rem);
}

main > header:has(> figure) > :not(figure),
main > .spotlight:has(> figure) > :not(figure) {
  max-inline-size: var(--spotlight);
}

main > :is(header, section):has(> figure) > :not(figure) > :last-child {
  margin-block-end: 0;
}

main > :is(header, section) figure {
  flex: none;
  margin-inline: auto;
  margin-block: 0;
  inline-size: min(100%, calc(var(--phone) * var(--shot-scale, 1)));
}

main > :is(header, section) figure img {
  display: block;
  inline-size: 100%;
}

main > :is(header + section, .image-leading):has(> figure) {
  container-type: inline-size;
}

@container (min-width: 40.5rem) {
  main > :is(header + section, .image-leading):has(> figure) > figure {
    order: -1;
  }
}

h1,
h2,
h3 {
  font-weight: 650;
  line-height: 1.25;
  text-wrap: balance;
}

h1 {
  font-size: var(--h1);
  margin-block: 0 var(--space-m);
}

main > header h1:has(img) {
  display: flex;
  align-items: center;
  gap: var(--space-m);
}

main > header h1:has(img) img {
  flex: none;
  inline-size: 2em;
  block-size: auto;
}

main > header h1:has(img) span {
  flex: 1;
  min-inline-size: 0;
}

h2 {
  font-size: var(--h2);
  margin-block: 0 0.65em;
}

h3 {
  font-size: var(--h3);
  margin-block: var(--space-l) var(--space-s);
}

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

a {
  color: var(--color-accent);
}

a.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-inline-size: 100%;
  min-block-size: var(--tap);
  padding-block: var(--space-s);
  padding-inline: var(--space-l);
  border-radius: 999px;
  background-color: var(--color-fill);
  color: var(--color-on-fill);
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  text-wrap: balance;
}

sup {
  font-size: 0.75em;
  font-weight: 650;
  color: var(--color-muted);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

main > :is(header, section, nav),
body > header > nav,
body > footer {
  --lane: var(--measure);
  padding-inline: max(var(--space-page), calc(50% - var(--lane) / 2));
}

main > :is(header, section, nav) {
  padding-block: var(--space-xl);
}

main > :is(header, section, nav):not(.surface-muted) + :is(header, section, nav):not(.surface-muted) {
  padding-block-start: 0;
}

.spotlight {
  --lane: var(--spotlight);
}

.wide,
body > header > nav,
body > footer {
  --lane: var(--wide);
}

.surface-muted {
  background-color: var(--color-band);
  --color-card: var(--color-card-on-band);
}

main > .surface-muted {
  padding-block: var(--space-2xl);
}

main > section > h2:first-child,
main > section > :not(figure) > h2:first-child,
main > nav > h2:first-child {
  margin-block-start: 0;
}

main > section > details {
  border-block-end: 1px solid var(--color-line);
}

main > section > details:first-of-type {
  border-block-start: 1px solid var(--color-line);
}

main > section > details > summary {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  inline-size: 100%;
  min-block-size: var(--tap);
  padding-block: var(--space-m);
  font-size: var(--h3);
  font-weight: 650;
  line-height: 1.25;
  list-style: none;
  cursor: pointer;
}

main > section > details > summary > h3 {
  flex: 1;
  min-inline-size: 0;
  margin: 0;
  font: inherit;
}

main > section > details > summary::marker,
main > section > details > summary::-webkit-details-marker {
  content: none;
  display: none;
}

main > section > details > summary::after {
  content: "";
  flex: none;
  margin-inline-start: auto;
  border: 0.35em solid transparent;
  border-block-start-color: currentColor;
  translate: 0 0.15em;
}

main > section > details[open] > summary::after {
  border-block-start-color: transparent;
  border-block-end-color: currentColor;
  translate: 0 -0.15em;
}

main > section > details[open] > :last-child {
  margin-block-end: var(--space-l);
}

blockquote {
  margin: 0 0 var(--space-m);
  padding-inline-start: var(--space-m);
  border-inline-start: 2px solid var(--color-line);
}

blockquote footer {
  color: var(--color-muted);
  font-size: 0.75em;
}

small {
  color: var(--color-muted);
}

main > section:has(> article > :is(blockquote, ul)) {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
}

main > section:has(> article > :is(blockquote, ul)) > :not(article) {
  flex: 1 1 100%;
}

main > .wide > :not(article) {
  max-inline-size: var(--measure);
  margin-inline: auto;
}

main > section:has(> article > :is(blockquote, ul)) > h2 {
  margin-block-end: 0;
}

main > section:has(> article > :is(blockquote, ul)) > article {
  display: flex;
  flex-direction: column;
  flex: 1 1 16rem;
  margin: 0;
  padding: var(--space-l);
  border-radius: 0.75rem;
  background-color: var(--color-card);
}

main > section:has(> article > blockquote) > article > p:first-child {
  margin-block: 0 var(--space-s);
  color: var(--color-star);
  font-size: 0.875em;
}

main > section:has(> article > blockquote) > article > h3 {
  margin-block: 0 var(--space-xs);
}

main > section:has(> article > ul) > article > h3 {
  margin-block: 0 var(--space-s);
}

main > section:has(> article > blockquote) > article > footer {
  margin-block: 0 var(--space-m);
  color: var(--color-muted);
  font-size: 0.75em;
}

main > section:has(> article > blockquote) > article > footer > p {
  margin-block: 0;
}

main > section:has(> article > blockquote) > article > footer > p + p {
  margin-block-start: var(--space-xs);
}

main > section:has(> article > ul) > article > ul {
  display: flex;
  flex-direction: column;
  flex: 1;
  list-style: none;
  margin-block: 0;
  padding-inline-start: 0;
}

main > section:has(> article > ul) > article > ul > li {
  list-style: none;
}

main > section:has(> article > ul) > article > ul > li + li {
  margin-block-start: var(--space-s);
  padding-block-start: var(--space-s);
  border-block-start: 1px solid var(--color-line);
}

main > section:has(> article > blockquote) > article > blockquote {
  display: flex;
  flex-direction: column;
  flex: 1;
  margin: 0;
  padding: 0;
  border: 0;
}

main > section:has(> article > blockquote) > article > blockquote > p {
  margin-block: 0;
}

main > section:has(> article > blockquote) > p:last-child {
  margin-block: var(--space-s) 0;
  font-size: 0.75em;
  color: color-mix(in srgb, var(--color-text) 42%, var(--color-page));
}

main > section:has(> article > blockquote) > p:last-child small {
  font-size: inherit;
  color: inherit;
}

body > header {
  border-block-end: 1px solid var(--color-line);
}

body > header > nav {
  padding-block: var(--space-s);
  font-size: 0.875rem;
}

body > header > nav > ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-s) var(--space-l);
  list-style: none;
  margin: 0;
  padding: 0;
}

body > header > nav > ul > li:last-child {
  margin-inline-start: auto;
}

body > header a,
body > footer a {
  color: var(--color-muted);
  text-decoration: none;
}

body > header > nav > ul > li > a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  min-block-size: var(--tap);
}

body > header > nav > ul > li:first-child > a {
  color: var(--color-text);
}

body > header > nav > ul > li:first-child > a > span {
  font-family: var(--font-brand);
  font-weight: 600;
}

body > header > nav img {
  flex: none;
  inline-size: 1.5em;
  block-size: auto;
}

body > header [aria-current="page"] {
  color: var(--color-text);
  font-weight: 650;
}

body > header details {
  position: relative;
}

body > header summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  min-block-size: var(--tap);
  padding-block: var(--space-xs);
  padding-inline: var(--space-s) var(--space-m);
  border: 1px solid var(--color-line);
  border-radius: 0.375rem;
  background-color: var(--color-page);
  color: var(--color-muted);
  cursor: pointer;
}

body > header summary::marker,
body > header summary::-webkit-details-marker {
  content: none;
  display: none;
}

body > header summary::after {
  content: "";
  border: 0.35em solid transparent;
  border-block-start-color: currentColor;
  translate: 0 0.15em;
}

body > header details[open] summary::after {
  border-block-start-color: transparent;
  border-block-end-color: currentColor;
  translate: 0 -0.15em;
}

body > header details > ul {
  position: absolute;
  z-index: 1;
  inset-inline-end: 0;
  inset-block-start: calc(100% + var(--space-xs));
  min-inline-size: max(100%, 12rem);
  max-block-size: min(70vh, 24rem);
  overflow: auto;
  list-style: none;
  margin: 0;
  padding: var(--space-xs);
  border: 1px solid var(--color-line);
  border-radius: 0.375rem;
  background-color: var(--color-page);
}

body > header details > ul a {
  display: block;
  padding-block: var(--space-s);
  padding-inline: var(--space-m);
}

body > footer {
  padding-block: 2.5rem;
  font-size: 0.8125rem;
}

body > footer > .footnote {
  margin-block: 0 var(--space-m);
  font-size: 0.75rem;
  color: var(--color-muted);
}

body > footer > .footnote small {
  font-size: inherit;
  color: inherit;
}

body > footer > ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-s) var(--space-l);
  list-style: none;
  margin-block: 0;
}

body > footer > .footnote + ul {
  margin-block-start: var(--space-m);
  padding-block-start: var(--space-m);
  border-block-start: 1px solid var(--color-line);
}

body > footer > ul > li {
  white-space: nowrap;
}

body > footer > ul > li:not(:has(a)) {
  color: var(--color-muted);
}