.site-footer {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding-block: var(--space-6) var(--space-3);
}

.site-footer__columns {
  display: grid;
  gap: var(--space-4);
}

.site-footer__heading {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-paper);
  margin-bottom: var(--space-2);
}

.site-footer__menu {
  display: grid;
  gap: var(--space-1);
}

.site-footer a {
  color: var(--color-paper);
  text-decoration: none;
  transition: color var(--duration-base) var(--ease-elegant);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-gold-soft);
}

.site-footer__newsletter {
  display: grid;
  gap: var(--space-2);
}

.site-footer__newsletter-label {
  font-size: var(--fs-small);
  color: var(--color-paper);
}

.site-footer__newsletter-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.site-footer__newsletter-input {
  flex: 1 1 14rem;
  min-height: var(--space-5);
  padding: 0px;
  border: 1px solid rgba(0, 0, 0, 0);
  background-color: transparent;
  color: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--fs-body);
}

.site-footer__newsletter-input::placeholder {
  color: var(--color-muted);
}

.site-footer .btn--primary {
  background-color: var(--color-paper);
  color: var(--color-ink);
}

.site-footer .btn--primary:hover,
.site-footer .btn--primary:focus-visible {
  background-color: var(--color-gold-soft);
  color: var(--color-ink);
}

.site-footer__wordmark {
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 9rem);
  line-height: 1;
  color: var(--color-paper);
}

.site-footer__bottom {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
  font-size: var(--fs-small);
}

.site-footer__legal-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.site-footer__social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.site-footer__social a {
  width: calc(var(--space-3) + var(--space-1));
  height: calc(var(--space-3) + var(--space-1));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
}

.site-footer__copyright,
.site-footer__note {
  color: var(--color-paper);
}

.site-footer__built-by {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
}

.site-footer__built-by-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: calc(var(--space-1) * 0.75) var(--space-2);
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, var(--color-paper) 18%, var(--color-line));
  background: color-mix(in srgb, var(--color-paper) 5%, var(--color-ink));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition:
    transform var(--duration-base) var(--ease-elegant),
    border-color var(--duration-base) var(--ease-elegant),
    background-color var(--duration-base) var(--ease-elegant);
}

.site-footer__built-by-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    color-mix(in srgb, var(--color-gold) 0%, transparent) 0%,
    color-mix(in srgb, var(--color-gold) 22%, transparent) 45%,
    color-mix(in srgb, var(--color-gold) 0%, transparent) 100%
  );
  transform: translateX(-100%);
  transition: transform var(--duration-base) var(--ease-elegant);
  pointer-events: none;
}

.site-footer__built-by-link:hover,
.site-footer__built-by-link:focus-visible {
  transform: translateY(calc(var(--space-1) * -0.125));
  border-color: color-mix(in srgb, var(--color-gold) 72%, var(--color-line));
  background: color-mix(in srgb, var(--color-paper) 8%, var(--color-ink));
}

.site-footer__built-by-link:hover::before,
.site-footer__built-by-link:focus-visible::before {
  transform: translateX(100%);
}

.site-footer__built-by-link:focus-visible {
  outline: none;
}

.site-footer__built-by-label,
.site-footer__built-by-logo {
  position: relative;
  z-index: 1;
}

.site-footer__built-by-label {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-paper);
}

.site-footer__built-by-logo {
  height: calc(var(--space-2) + var(--space-1));
  width: auto;
  display: block;
}

/* >= 1024px */
@media (min-width: 1024px) {
  .site-footer__columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .site-footer__bottom {
    grid-template-columns: auto auto 1fr auto auto;
    align-items: center;
  }

  .site-footer__built-by {
    justify-content: flex-end;
  }
}