:root {
  --color-white: hsl(0, 0%, 100%);
  --color-slate-300: hsl(212, 45%, 89%);
  --color-slate-500: hsl(216, 15%, 48%);
  --color-slate-900: hsl(218, 44%, 22%);

  --font-size-h1: 22px;
  --font-size-paragraph: 15px;
}

* {
  margin: 0;
  font-family: Outfit, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--color-slate-300);
}

.text-container {
  display: flex;
  flex-direction: column;
  margin: 24px 0;
  padding: 0 16px;
  gap: 16px;

  h1 {
    font-size: var(--font-size-h1);
    text-align: center;
    font-weight: 700;
    line-height: 120%;
    letter-spacing: 0px;
    color: var(--color-slate-900);
  }

  p {
    font-size: var(--font-size-paragraph);
    text-align: center;
    font-weight: 400;
    line-height: 140%;
    letter-spacing: 0.2px;
    color: var(--color-slate-500);
  }
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: auto;
}

.card {
  background-color: var(--color-white);
  max-width: 320px;
  padding: 16px;
  margin: 28px;
  align-self: center;
  border-radius: 20px;
  filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.05));
}

.qr-code {
  max-width: 100%;
  border-radius: 10px;
}

footer {
  padding: 16px;
  flex-shrink: 0;
  font-size: var(--font-size-paragraph);
  text-align: center;

  a {
    color: hsl(228, 45%, 44%);
    white-space: nowrap;
  }
}