/* ════════════════════════════════════════
   SISBM ACADEMY – Footer CSS
   ════════════════════════════════════════ */

:root {
  --navy: #0f172a;
  --cyan: #1a9bd6;
  --tr: 0.3s ease;
}

/* === FOOTER BASE === */
footer {
  background: #0D3F6B;
  color: rgba(255,255,255,0.9);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}

/* === FOOTER GRID === */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

/* === FOOTER BRAND === */
.footer-brand .footer-logo {
  font-family: var(--font-d);
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 3px;
  display: block;
  margin-bottom: 1rem;
}
.footer-brand .footer-logo img {
  height: 56px;
  width: auto;
}
.footer-brand p {
  font-size: 0.82rem;
  line-height: 1.8;
  max-width: 240px;
  color: #ffffff;
}

/* === FOOTER COLUMNS === */
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-col li a {
  font-size: 0.82rem;
  color: #ffffff;
  transition: color var(--tr);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-col li a i {
  color: var(--cyan);
  font-size: 0.75rem;
  width: 14px;
}
.footer-col li a:hover {
  color: var(--cyan);
}

/* === FOOTER BOTTOM === */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
}
.footer-social {
  display: flex;
  gap: 0.75rem;
}
.social-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--tr);
  color: #ffffff;
  cursor: pointer;
}
.social-btn:hover {
  background: var(--cyan);
  color: #ffffff;
}
.social-btn.social-linkedin:hover {
  background: #0A66C2;
}

/* === FOOTER CONTACT INFO === */
.footer-contact-info {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-start;
}
.fci-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.08);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  border: 1px solid rgba(26,159,214,0.2);
  white-space: nowrap;
}
.fci-item i {
  color: var(--cyan);
}
.fci-item a {
  color: inherit;
  text-decoration: none;
}
.fci-item a:hover {
  color: var(--cyan);
}

/* === RESPONSIVE === */

/* Tablette */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .footer-brand p {
    font-size: 0.85rem;
    max-width: none;
  }
  .footer-contact-info {
    flex-direction: column;
    gap: 0.5rem;
  }
  .fci-item {
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
  }
  footer {
    padding: 2rem 1rem 1rem;
  }
}