/* ═══════════════════════════════════════
   FOOTER — Isaac Amaral / Grupo Insight
   Clean, minimal
═══════════════════════════════════════ */

.footer {
  background: rgba(7, 7, 16, 0.7);
  padding: clamp(48px, 6vw, 80px) var(--section-px) 0;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Grid */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  padding-bottom: clamp(40px, 5vw, 60px);
}

/* ── Brand ── */
.footer-brand-logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
}

.footer-slogan {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-copyright {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-dark);
  letter-spacing: 0.5px;
}

/* ── Links & Contact ── */
.footer-col-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
  transition: color var(--duration) var(--ease);
}

.footer-links a:hover {
  color: var(--white);
}

/* Contact */
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
  margin-bottom: 14px;
  line-height: 1.5;
}

.footer-contact-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--purple);
  margin-top: 2px;
}

.footer-contact-item a {
  color: var(--gray);
  transition: color var(--duration) var(--ease);
}

.footer-contact-item a:hover {
  color: var(--white);
}

/* ── Bottom ── */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom-text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-dark);
}

/* ── Ultra-wide ── */
@media (min-width: 1600px) {
  .footer-container { max-width: var(--max-w-wide); }
  .footer-brand-logo { height: 52px; }
  .footer-slogan { font-size: 15px; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-slogan { max-width: 100%; }
  .footer-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .footer-contact-item a,
  .footer-contact-item span {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

.footer-fc-btn {
  background: none;
  border: none;
  color: var(--gray);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  transition: color .2s;
}

.footer-fc-btn:hover {
  color: var(--purple);
}