:root {
  --nalgene-blue: #007ec4;
  --nalgene-blue-dark: #005f97;
  --nalgene-ink: #111111;
  --nalgene-muted: #6b7280;
  --nalgene-line: #dfdfdf;
}

.nalgene-section {
  margin: 0;
}

.nalgene-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px;
}

.nalgene-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nalgene-button--blue {
  background: var(--nalgene-blue);
  color: #ffffff;
}

.nalgene-button--blue:hover {
  background: var(--nalgene-blue-dark);
  color: #ffffff;
  text-decoration: none;
}

.nalgene-footer {
  padding: 48px 0 28px;
  border-top: 1px solid var(--nalgene-line);
  background: #ffffff;
  color: var(--nalgene-ink);
  font-family: Arial, Helvetica, sans-serif;
}

.nalgene-footer a {
  color: inherit;
  text-decoration: none;
}

.nalgene-footer a:hover {
  text-decoration: underline;
}

.nalgene-footer__newsletter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding-bottom: 26px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--nalgene-line);
}

.nalgene-footer__newsletter h2 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.1;
}

.nalgene-footer__newsletter p {
  margin: 0;
  color: var(--nalgene-muted);
  font-size: 16px;
  line-height: 1.5;
}

.nalgene-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.nalgene-footer__grid--single {
  grid-template-columns: minmax(0, 280px);
}

.nalgene-footer__group h3 {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.3;
}

.nalgene-footer__group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nalgene-footer__group li + li {
  margin-top: 10px;
}

.nalgene-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--nalgene-line);
  color: var(--nalgene-muted);
  font-size: 13px;
  line-height: 1.5;
}

.nalgene-footer__bottom p {
  margin: 0;
}

@media (max-width: 989px) {
  .nalgene-shell {
    padding: 0 18px;
  }

  .nalgene-footer__newsletter,
  .nalgene-footer__bottom {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 639px) {
  .nalgene-footer__grid,
  .nalgene-footer__grid--single {
    grid-template-columns: 1fr;
  }

  .nalgene-footer__newsletter h2 {
    font-size: 24px;
  }
}