/* ============================================================
   PTECH MEDIA — FOOTER
   footer.css: Footer layout, links, copyright
   ============================================================ */

/* ─── Footer Base ───────────────────────────────────────── */
#footer {
  position: relative;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-soft);
  padding: 5rem 0 2.5rem;
  overflow: hidden;
}

#footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

/* ─── Footer Grid ───────────────────────────────────────── */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

/* ─── Brand Column ──────────────────────────────────────── */
.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  text-decoration: none;
}

.footer-logo img {
  height: 40px;
  width: auto;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-text-subtle);
  margin-bottom: 1.5rem;
  max-width: 300px;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-text-subtle);
  text-decoration: none;
  transition: var(--transition-base);
}

.social-link:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ─── Footer Columns ────────────────────────────────────── */
.footer-col {}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  list-style: none;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--color-text-subtle);
  text-decoration: none;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-col ul li a:hover {
  color: var(--color-primary);
  padding-left: 0.3rem;
}

/* ─── Footer Bottom ─────────────────────────────────────── */
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--color-text-subtle);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
}