*,
*::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;
}

:root {
  --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-family-condensed: "Sofia Sans Condensed", sans-serif;
  --font-family: "Sofia Sans", sans-serif;

  --font-weight-normal: 400;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  --line-height-title: 1;
  --line-height-body: 1.5;

  --color-background: #0a052d;
  --color-text: #ffffff;
  --color-text-muted: #b0afcd;

  --color-g7: #15cdd6;
  --color-brics: #fe3380;
  --color-brics-partner: #b62057;
  --color-row: #65647e;
}

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

hgroup {
  font-family: var(--font-family-condensed);
}

h1 {
  font-size: var(--font-size-7xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-title);
}

h1 small,
hgroup p {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-normal);
}

hgroup p {
  margin-block-start: -0.25lh;
}

footer {
  color: var(--color-text-muted);
  max-width: 70ch;
}

strong {
  font-weight: var(--font-weight-black);
}

main {
  margin-block: 4rem;
}

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

.chart {
  position: relative;
}

.chart > svg {
  display: block;
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

.cell__polygon {
  stroke-width: 2px;
  stroke: var(--color-background);
}

.cell__label {
  pointer-events: none;
  fill: var(--color-background);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.cell__label image {
  filter: drop-shadow(0px 2px 4px var(--color-background));
}

.sub-group__polygon {
  pointer-events: none;
  fill: none;
  stroke-width: 4px;
  stroke: var(--color-background);
}

.sub-group__label {
  font-size: var(--font-size-2xl);
}

.sub-group__label__share {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

.tooltip {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  padding: 0.25em 0.5em;
  background-color: var(--color-background);
  border: 2px solid var(--color-text-muted);
  border-radius: 0.25em;
  box-shadow: 0 2px 8px var(--color-background);
  text-align: center;
  visibility: hidden;
  opacity: 0;
  transition:
    visibility 0.1s,
    opacity 0.1s;
}

.tooltip.is-visible {
  visibility: visible;
  opacity: 1;
}

.tooltip__value {
  font-size: var(--font-size-lg);
}