/* ==========================================================================
   07-footer.css — Deep-violant footer with oversized "OFI" watermark.
   Four-column grid: brand · product · compliance · studio. Pink eyebrow
   column titles, soft white links, slim base bar.
   ========================================================================== */

.site-footer {
  background-color: var(--color-violant-deep);
  color: #ffffff;
  padding: var(--space-11) 0 var(--space-7);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "OFI";
  position: absolute;
  bottom: -120px;
  right: -40px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 360px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  letter-spacing: -0.05em;
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-9);
}

/* === Brand column ==================================================== */
.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.75rem;          /* 28px */
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  text-decoration: none;
}

.site-footer__brand .sq {
  width: 9px;
  height: 9px;
  background-color: var(--color-pink-thq);
  border-radius: 1.5px;
  transform: rotate(45deg);
}

.site-footer__brand .hq {
  color: var(--color-pink-light);
}

.site-footer__tagline {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  max-width: 320px;
  line-height: 1.6;
  margin: 0;
}

/* === Column heading + link list ====================================== */
.site-footer__heading {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: 0.75rem;          /* 12px */
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-pink-light);
  margin: 0 0 var(--space-5);
}

.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.site-footer__links a {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__links a:hover {
  color: var(--color-pink-light);
}

/* === Base bar (legal + signature line) =============================== */
.site-footer__base {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: var(--space-11) auto 0;
  padding: var(--space-6) 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-body);
  font-size: 0.8125rem;        /* 13px */
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 720px) {
  .site-footer__base {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}