/* ============================================================
   FOOTER — Bhatti Chemicals Industry
============================================================ */

.site-footer {
  background: #0d1f19;
  color: rgba(255, 255, 255, 0.7);
  font-family: 'Inter', system-ui, sans-serif;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0; right: -5%;
  width: 45%; height: 100%;
  background: radial-gradient(ellipse 70% 60% at 100% 0%, rgba(0, 123, 94, 0.15) 0%, transparent 65%);
  pointer-events: none;
}

.footer-main {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 24px 48px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
}

/* ── Brand column ── */
.footer-brand img.footer-logo {
  height: 40px;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
  margin-bottom: 20px;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.footer-social a:hover {
  background: #007b5e;
  border-color: #007b5e;
  transform: translateY(-2px);
}

.footer-social img {
  width: 16px; height: 16px;
  filter: brightness(0) invert(1);
}

/* ── Link columns ── */
.footer-col h3 {
  font-family: 'Sora', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.89rem;
  transition: color 0.2s, padding-left 0.2s;
  display: inline-block;
}

.footer-col ul li a:hover {
  color: #4ade9e;
  padding-left: 4px;
}

/* ── Contact column ── */
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-contact-icon {
  width: 30px; height: 30px;
  flex-shrink: 0;
  border-radius: 7px;
  background: rgba(0, 123, 94, 0.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  margin-top: 1px;
}

.footer-contact-item a,
.footer-contact-item span {
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  font-size: 0.87rem;
  line-height: 1.6;
  word-break: break-word;
}

.footer-contact-item a:hover { color: #4ade9e; }

/* ── Bottom bar ── */
.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
  margin: 0;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.2s;
}

.footer-legal-links a:hover { color: #4ade9e; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer-main {
    grid-template-columns: 1fr;
    padding: 56px 24px 36px;
    gap: 36px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}