*,
*::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;
  overflow: visible;
}

:root {
  --font-family: "IBM Plex Sans", sans-serif;

  --font-size-xs: clamp(0.79rem, -0.13vi + 0.82rem, 0.72rem);
  --font-size-sm: clamp(0.89rem, 0.02vi + 0.88rem, 0.9rem);
  --font-size-md: clamp(1rem, 0.23vi + 0.94rem, 1.13rem);
  --font-size-lg: clamp(1.13rem, 0.51vi + 1rem, 1.41rem);
  --font-size-xl: clamp(1.27rem, 0.89vi + 1.04rem, 1.76rem);
  --font-size-2xl: clamp(1.42rem, 1.41vi + 1.07rem, 2.2rem);
  --font-size-3xl: clamp(1.6rem, 2.08vi + 1.08rem, 2.75rem);
  --font-size-4xl: clamp(1.8rem, 2.97vi + 1.06rem, 3.43rem);

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

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

  --line-height-title: 1;
  --line-height-body: 1.4;

  --color-background: #f1f0f3;
  --color-text: #111019;
  --color-accent: #f5d203;
  --color-neutral: #e4e3e9;
}

body {
  font-family: var(--font-family);
  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);
}

h1,
h2 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-title);
  font-size: var(--font-size-4xl);
  text-transform: uppercase;
  font-variation-settings: "wdth" 75;
  max-width: 30ch;
  margin-block-end: 0.5em;
}

h2 {
  font-size: var(--font-size-xl);
  max-width: 10ch;
}

p {
  max-width: 70ch;
  text-wrap: pretty;
}

main {
  margin-block: 4rem;
}

article {
  width: min(100% - 40px, 1360px);
  margin-inline: auto;
  display: grid;
  gap: 4rem;
}

.chart {
  position: relative;
}

.cells {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  container-type: inline-size;
}

.cell {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  max-width: 100cqi;
  overflow-x: auto;
}

.concentration {
  display: flex;
  align-items: center;
  gap: 0.2em;
  line-height: 1;
  margin-block-end: 0.5em;
}

.concentration__top-stocks,
.concentration__total {
  padding: 0.1em 0.2em;
}

.concentration__top-stocks {
  background-color: var(--color-accent);
}

.concentration__divide {
  margin-block: 0.2em;
}

.concentration__concentration {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-2xl);
}

.stocks {
  fill: var(--color-neutral);
  stroke: var(--color-background);
  stroke-width: 1.5px;
}

.top-stock {
  fill: var(--color-accent);
  stroke: var(--color-background);
  stroke-width: 1.5px;
}

.top-stock.is-active {
  stroke: var(--color-text);
}

.tooltip {
  position: absolute;
  top: 0;
  left: 0;
  background-color: var(--color-accent);
  border: 1.5px solid var(--color-text);
  padding: 0.25em 0.5em;
  pointer-events: none;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.1s,
    visibility 0.1s;
}

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

.tooltip__stock {
  font-weight: var(--font-weight-bold);
}

.tooltip__concentration {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}