/* === QLAB FOOTER === */
.qlab-footer {
  background: #1C2226;
  color: #8FA0A8;
  font-family: 'Barlow', 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  padding: 0;
  margin: 0;
  border-top: 3px solid #3DB551;
}

.qf-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 40px 48px;
}

/* Brand */
.qf-brand { display: flex; flex-direction: column; gap: 16px; }
.qf-brand img { height: 44px; width: auto; }
.qf-tagline {
  font-size: 13px; color: #6a7f88;
  line-height: 1.65; max-width: 240px;
}

/* Social icons */
.qf-social { display: flex; gap: 10px; margin-top: 4px; }
.qf-social-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #8FA0A8; text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s, border-color 0.2s;
  will-change: transform;
}
.qf-social-btn:hover {
  background: #3DB551; border-color: #3DB551;
  color: #fff; transform: translateY(-2px);
}

/* Nav columns */
.qf-col { display: flex; flex-direction: column; gap: 12px; }
.qf-col-title {
  font-size: 10px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: #3DB551;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 2px;
}
.qf-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.qf-col ul li a {
  color: #8FA0A8; text-decoration: none;
  transition: color 0.18s, padding-left 0.18s;
  display: block;
}
.qf-col ul li a:hover { color: #F4F8F6; padding-left: 4px; }

/* Contact */
address { font-style: normal; display: flex; flex-direction: column; gap: 14px; }
.qf-contact-item { display: flex; flex-direction: column; gap: 2px; }
.qf-contact-label {
  font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: #3DB551;
}
.qf-contact-value {
  font-size: 14px; color: #8FA0A8;
  text-decoration: none; transition: color 0.18s;
}
a.qf-contact-value:hover { color: #F4F8F6; }

/* Bottom bar */
.qf-bottom {
  max-width: 1200px; margin: 0 auto;
  padding: 20px 40px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.qf-copy { font-size: 12.5px; color: #5c6f77; }
.qf-copy strong { color: #8FA0A8; }
.qf-legal { display: flex; gap: 20px; }
.qf-legal a {
  font-size: 12px; color: #5c6f77;
  text-decoration: none; transition: color 0.18s;
}
.qf-legal a:hover { color: #F4F8F6; }

/* Disclaimer */
.qf-disclaimer {
  max-width: 1200px; margin: 0 auto;
  padding: 0 40px 20px;
  font-size: 11px; color: #4a5c63;
}
.qf-disclaimer summary {
  cursor: pointer; font-size: 11px; color: #5c6f77;
  letter-spacing: 0.5px; padding: 8px 0;
  list-style: none; display: flex; align-items: center; gap: 6px;
}
.qf-disclaimer summary::-webkit-details-marker { display: none; }
.qf-disclaimer summary::before {
  content: '▸'; color: #3DB551; font-size: 9px;
  transition: transform 0.2s;
}
.qf-disclaimer[open] summary::before { transform: rotate(90deg); }
.qf-disclaimer p { padding-top: 10px; line-height: 1.7; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .qf-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px; padding: 44px 28px 36px;
  }
  .qf-brand {
    grid-column: 1 / -1;
    flex-direction: row; flex-wrap: wrap; gap: 20px;
  }
  .qf-tagline { max-width: 100%; }
}

@media (max-width: 560px) {
  .qf-inner { grid-template-columns: 1fr; padding: 36px 20px 28px; }
  .qf-brand { flex-direction: column; }
  .qf-bottom { padding: 18px 20px; flex-direction: column; align-items: flex-start; }
  .qf-disclaimer { padding: 0 20px 16px; }
}