/* ==========================================================================
   FOOTER STYLES — PrintForge3D
   ========================================================================== */

.pf3d-footer {
  background: var(--pf-bg-surface);
  border-top: 1px solid var(--pf-border);
  position: relative;
}

/* Grid line decoration */
.pf3d-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pf-gradient-primary);
}

/* ── Footer Main ─────────────────────────────────────────────────────────── */
.pf3d-footer__main {
  padding: var(--pf-space-16) 0 var(--pf-space-12);
}

.pf3d-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--pf-space-12);
  align-items: start;
}

/* ── Brand column ────────────────────────────────────────────────────────── */
.pf3d-footer__logo {
  margin-bottom: var(--pf-space-5);
}

.pf3d-footer__logo img { height: 40px; }

.pf3d-footer__tagline {
  font-size: var(--pf-text-sm);
  color: var(--pf-text-muted);
  line-height: var(--pf-leading-relaxed);
  margin-bottom: var(--pf-space-6);
}

/* Social links */
.pf3d-footer__social {
  display: flex;
  gap: var(--pf-space-3);
}

.pf3d-footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--pf-bg-elevated);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius-md);
  color: var(--pf-text-muted);
  text-decoration: none;
  transition: all var(--pf-transition-base);
}

.pf3d-footer__social-link:hover {
  background: var(--pf-primary-glow);
  border-color: var(--pf-primary);
  color: var(--pf-primary);
  transform: translateY(-2px);
}

/* ── Nav columns ─────────────────────────────────────────────────────────── */
.pf3d-footer__col-title {
  font-family: var(--pf-font-heading);
  font-size: var(--pf-text-sm);
  font-weight: var(--pf-font-bold);
  color: var(--pf-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--pf-space-5);
}

.pf3d-footer__nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--pf-space-3);
}

.pf3d-footer__nav li a {
  font-size: var(--pf-text-sm);
  color: var(--pf-text-muted);
  text-decoration: none;
  transition: color var(--pf-transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--pf-space-2);
}

.pf3d-footer__nav li a::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--pf-border-light);
  flex-shrink: 0;
  transition: background var(--pf-transition-fast);
}

.pf3d-footer__nav li a:hover {
  color: var(--pf-primary);
}

.pf3d-footer__nav li a:hover::before {
  background: var(--pf-primary);
}

/* ── Contact column ──────────────────────────────────────────────────────── */
.pf3d-footer__contact {
  list-style: none;
  margin: 0 0 var(--pf-space-6);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--pf-space-4);
}

.pf3d-footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--pf-space-3);
  font-size: var(--pf-text-sm);
  color: var(--pf-text-muted);
}

.pf3d-footer__contact-icon {
  color: var(--pf-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

.pf3d-footer__contact a {
  color: var(--pf-text-muted);
  text-decoration: none;
  transition: color var(--pf-transition-fast);
}

.pf3d-footer__contact a:hover { color: var(--pf-primary); }

/* Newsletter */
.pf3d-footer__newsletter-label {
  font-size: var(--pf-text-xs);
  font-weight: var(--pf-font-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pf-text-muted);
  margin-bottom: var(--pf-space-3);
}

.pf3d-newsletter-form {
  display: flex;
  align-items: center;
  background: var(--pf-bg-input);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius-md);
  overflow: hidden;
  transition: border-color var(--pf-transition-fast);
}

.pf3d-newsletter-form:focus-within {
  border-color: var(--pf-primary);
}

.pf3d-newsletter-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 0.625rem var(--pf-space-4);
  font-size: var(--pf-text-sm);
  color: var(--pf-text-primary);
}

.pf3d-newsletter-input::placeholder { color: var(--pf-text-disabled); }

.pf3d-newsletter-btn {
  background: var(--pf-gradient-primary);
  border: none;
  color: #fff;
  padding: 0.625rem var(--pf-space-4);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: opacity var(--pf-transition-fast);
}

.pf3d-newsletter-btn:hover { opacity: 0.9; }

/* ── Footer Bottom ───────────────────────────────────────────────────────── */
.pf3d-footer__bottom {
  border-top: 1px solid var(--pf-border);
  padding: var(--pf-space-5) 0;
}

.pf3d-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--pf-space-4);
}

.pf3d-footer__copyright {
  font-size: var(--pf-text-xs);
  color: var(--pf-text-muted);
  margin: 0;
}

.pf3d-footer__bottom-links {
  display: flex;
  align-items: center;
  gap: var(--pf-space-5);
}

.pf3d-footer__bottom-links a {
  font-size: var(--pf-text-xs);
  color: var(--pf-text-muted);
  text-decoration: none;
  transition: color var(--pf-transition-fast);
}

.pf3d-footer__bottom-links a:hover { color: var(--pf-text-primary); }

/* Payment badges */
.pf3d-footer__payments {
  display: flex;
  align-items: center;
  gap: var(--pf-space-2);
}

.pf3d-payment-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  background: var(--pf-bg-elevated);
  border: 1px solid var(--pf-border);
  border-radius: 4px;
  font-size: 10px;
  font-weight: var(--pf-font-bold);
  letter-spacing: 0.04em;
  color: var(--pf-text-muted);
  text-transform: uppercase;
}

/* ── Back to top ─────────────────────────────────────────────────────────── */
.pf3d-back-to-top {
  position: fixed;
  bottom: var(--pf-space-6);
  right: var(--pf-space-6);
  width: 44px;
  height: 44px;
  background: var(--pf-gradient-primary);
  border: none;
  border-radius: var(--pf-radius-md);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--pf-shadow-primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--pf-transition-base);
  z-index: var(--pf-z-sticky);
}

.pf3d-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.pf3d-back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 87, 34, 0.45);
}