*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
}

a {
  color: currentColor;
}

svg {
  display: block;
}

ol,
ul {
  list-style: none;
}

:root {
  --font-family-title: "Sofia Sans Extra Condensed", sans-serif;
  --font-family-body: "Sofia Sans Semi Condensed", sans-serif;

  --font-size-9xl: 9.313rem;
  --font-size-8xl: 7.451rem;
  --font-size-7xl: 5.96rem;
  --font-size-6xl: 4.768rem;
  --font-size-5xl: 3.815rem;
  --font-size-4xl: 3.052rem;
  --font-size-3xl: 2.441rem;
  --font-size-2xl: 1.953rem;
  --font-size-xl: 1.563rem;
  --font-size-lg: 1.25rem;
  --font-size-md: 1rem;
  --font-size-sm: 0.8rem;
  --font-size-xs: 0.64rem;

  --font-size-vis-lg: 18px;
  --font-size-vis-md: 16px;
  --font-size-vis-sm: 14px;
  --font-size-vis-xs: 12px;

  --font-weight-bold: 700;
  --font-weight-normal: 400;

  --line-height-title: 0.8;
  --line-height-body: 1.2;

  --color-background: #e9e9e9;
  --color-text-emphasis: #000000;
  --color-text: #444444;
}

body {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background-color: var(--color-background);
}

hgroup {
  text-transform: uppercase;
  text-wrap: balance;
  display: grid;
  gap: 0.5rem;
}

h1 {
  font-family: var(--font-family-title);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-title);
  font-size: var(--font-size-5xl);
  color: var(--color-text-emphasis);
}

hgroup p {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-title);
}

main {
  margin-block: 4rem;
}

article {
  width: min(100% - 2rem, 80rem);
  margin-inline: auto;
  display: grid;
  gap: 2rem;
}

.search {
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
  align-items: center;
}

.search input[type="search"] {
  font: inherit;
  font-size: inherit;
  padding: 0.5em 0.75em;
  border: 1.5px solid transparent;
  border-radius: 0px;
  background: #ffffff;
  outline: none;
}

.search input[type="search"]:focus-visible {
  border-color: var(--color-text);
}

.legend {
  font-size: var(--font-size-vis-md);
  text-transform: uppercase;
  display: grid;
  gap: 0.25em;
}

.legend .legend__title {
  font-weight: var(--font-weight-bold);
  fill: var(--color-text-emphasis);
}

.legend .legend__body {
  display: flex;
  gap: 0.5em;
}

.legend .legend__label,
.legend .swatch__label {
  font-size: var(--font-size-vis-sm);
}

@media (width < 500px) {
  .legend .legend__label {
    display: none;
  }
}

.chart {
  overflow-x: auto;
  font-size: var(--font-size-vis-md);
}

.chart text {
  fill: currentColor;
}

.chart .city.is-hidden {
  display: none;
}

.chart .city__median__line {
  stroke-width: 1px;
  stroke: var(--color-text-emphasis);
}

.chart .city__line {
  fill: none;
  stroke-width: 1.5px;
  stroke: var(--color-text);
  stroke-dasharray: 2;
}

.chart .city__name {
  font-size: var(--font-size-vis-lg);
}

.chart .city__name,
.chart .city__month__diff {
  font-weight: var(--font-weight-bold);
  fill: var(--color-text-emphasis);
}

.chart .city__median__price,
.chart .city__month__name,
.chart .city__month__price {
  font-size: var(--font-size-vis-sm);
}

.chart .city__median__price,
.chart .city__month__name {
  text-transform: uppercase;
}