/* ============ FOOTER (#site-footer) ============ */

/* ---- Shell ---- */
.site-footer {
  position: relative;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: 0;
  overflow: hidden;
  isolation: isolate;
}

/* ---- Decorative glow ---- */
.site-footer .sf-glow {
  position: absolute;
  width: clamp(300px, 50vw, 640px);
  height: clamp(300px, 50vw, 640px);
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 68%);
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

/* ---- Top layout: brand + nav columns ---- */
.site-footer .sf-top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

/* ---- Brand column ---- */
.site-footer .sf-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 28ch;
}

.site-footer .sf-brand__logolink {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  width: fit-content;
}

.site-footer .sf-brand__mark {
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px var(--accent-glow));
  transition: filter var(--dur) var(--ease-out);
}
.site-footer .sf-brand__logolink:hover .sf-brand__mark {
  filter: drop-shadow(0 0 18px var(--accent-glow));
}

.site-footer .sf-brand__wordmark {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}

.site-footer .sf-brand__tagline {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-faint);
  letter-spacing: 0.04em;
  line-height: 1.7;
  text-transform: uppercase;
}

/* ---- Nav columns wrapper ---- */
.site-footer .sf-nav {
  display: flex;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

/* ---- Individual nav column ---- */
.site-footer .sf-nav__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.site-footer .sf-nav__heading {
  font-size: var(--fs-label);
  letter-spacing: 0.22em;
  color: var(--text-faint);
  margin-bottom: var(--space-1);
  /* eyebrow class handles the baseline; override the ::before for footer context */
}

/* Suppress the eyebrow line-mark in footer headings — use a cleaner treatment */
.site-footer .sf-nav__heading.eyebrow::before {
  display: none;
}

.site-footer .sf-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ---- Footer links ---- */
.site-footer .sf-nav__link {
  font-size: var(--fs-small);
  color: var(--text-dim);
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;          /* accessible tap target */
  padding-block: var(--space-1);
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer .sf-nav__link:hover {
  color: var(--text);
}

/* Contact column links with icons */
.site-footer .sf-contact-link {
  gap: var(--space-2);
}
.site-footer .sf-contact-link svg {
  flex-shrink: 0;
  color: var(--accent-bright);
  opacity: 0.7;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.site-footer .sf-contact-link:hover svg {
  opacity: 1;
}

/* WhatsApp contact link — subtle green tint on hover */
.site-footer .sf-contact-link--wa svg {
  color: var(--wa);
  opacity: 0.75;
}
.site-footer .sf-contact-link--wa:hover {
  color: var(--wa);
}
.site-footer .sf-contact-link--wa:hover svg {
  opacity: 1;
}

/* .link::after underline — inherit from global, nothing to override */

/* ---- Bottom bar ---- */
.site-footer .sf-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  border-top: 1px solid var(--line);
  padding-block: clamp(1.25rem, 2.5vw, 1.75rem);
}

.site-footer .sf-bottom__copy {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

.site-footer .sf-bottom__backtop {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--text-faint);
  letter-spacing: 0.08em;
  white-space: nowrap;
  min-height: 44px;
  padding-block: var(--space-1);
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer .sf-bottom__backtop:hover {
  color: var(--accent-bright);
}
.site-footer .sf-bottom__backtop svg {
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-out);
}
.site-footer .sf-bottom__backtop:hover svg {
  transform: translateY(-2px);
}

/* Suppress global .link underline for back-to-top — use color only */
.site-footer .sf-bottom__backtop.link::after {
  display: none;
}

/* ---- Responsive: tablet ---- */
@media (max-width: 900px) {
  .site-footer .sf-top {
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 3.5rem);
  }

  .site-footer .sf-brand {
    max-width: 100%;
  }

  .site-footer .sf-nav {
    gap: clamp(2rem, 6vw, 4rem);
  }
}

/* ---- Responsive: mobile ---- */
@media (max-width: 540px) {
  .site-footer .sf-nav {
    flex-direction: column;
    gap: var(--space-7);
  }

  .site-footer .sf-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .site-footer .sf-bottom__backtop {
    align-self: flex-end;
  }
}