.nav {
  --height-signup: 8em;

  backdrop-filter: blur(0.5em);
  -webkit-backdrop-filter: blur(0.5em);

  background: clear;
  border-radius: 4em;

  height: var(--height-signup);
  margin: 1.5em;
  max-width: calc(100% - 3em);
  inset: 0;
  position: fixed;
 
  transition:
    background var(--transition),
    box-shadow var(--transition)
  ;

  z-index: 1000;
}

.nav__container {
  display: flex;
  align-items: center;
  height: 100%;
  min-width: 0;
  padding: 0 2em;
}

.nav__title p {
  font-family: var(--font-family-helvetica);
  font-size: var(--font-size-x-large);
  font-weight: 600;
  margin: 0;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.nav__logo a,
.nav__badge a {
  display: flex;
  align-items: center;
}

.nav__title {
  display: flex;
  align-items: center;
  margin-left: 1em;
}

.nav__badge {
  margin-left: auto;
}

.nav__qrcode {
  padding-left: 1em;
  cursor: pointer;
}

.nav.nav--stuck {
  box-shadow: var(--box-shadow);
  background: oklch(var(--lch-canvas) / 0.7);
}

@media (max-width: 720px) {
  .nav {
    --height-signup: 4.75em;

    border-radius: 2.4em;
    margin: 0.75em;
    max-width: calc(100% - 1.5em);
  }

  .nav__container {
    gap: 0.65em;
    padding: 0 1em;
  }

  .nav__logo img {
    height: 40px;
  }

  .nav__title {
    flex: 1 1 auto;
    min-width: 0;
    margin-left: 0;
  }

  .nav__title p {
    font-size: 1rem;
    line-height: 1.1;
  }

  .nav__badge {
    flex: 0 0 auto;
    margin-left: auto;
  }

  .nav__badge img {
    height: 38px;
  }

  .nav__qrcode {
    display: none;
  }
}

@media (max-width: 560px) {
  .nav {
    --height-signup: 4.5em;
    border-radius: 2.25em;
  }

  .nav__container {
    padding: 0 0.85em;
  }

  .nav__title {
    display: none;
  }

  .nav__badge img {
    height: 36px;
  }
}