/**
 * BYD Shares and Stocks - Footer Styles
 * 
 * Includes: Footer grid, links, social icons, copyright
 */

/* ============================================
   1. FOOTER CONTAINER
   ============================================ */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

/* ============================================
   2. FOOTER GRID
   ============================================ */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: left !important;
  }
  
  .footer {
    padding-top: var(--space-12);
    padding-bottom: var(--space-6);
    text-align: left !important;
  }
  
  .footer .container {
    text-align: left !important;
  }
  
  .footer-description {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
  
  .footer-title {
    font-size: var(--text-h5);
    text-align: left !important;
  }
  
  .footer-links {
    text-align: left !important;
  }
  
  .footer-links a {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
  
  .footer-contact {
    text-align: left !important;
  }
  
  .footer-contact li {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
  
  .footer-copyright {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
  
  .footer-legal {
    text-align: left !important;
  }
  
  .footer-legal a {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
  
  .footer-disclaimer {
    text-align: left !important;
  }
  
  .footer-disclaimer p {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
}

/* ============================================
   3. FOOTER BRAND COLUMN
   ============================================ */
.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-primary);
  font-size: var(--text-h5);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-logo img,
.footer-logo svg {
  height: 28px;
  width: auto;
}

.footer-description {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* ============================================
   4. FOOTER SOCIAL LINKS
   ============================================ */
.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.social-link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-primary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   5. FOOTER LINK COLUMNS
   ============================================ */
.footer-column {
  min-width: 0;
}

.footer-title {
  font-family: var(--font-primary);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Contact info in footer */
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
}

.footer-contact li svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* ============================================
   6. FOOTER DIVIDER
   ============================================ */
.footer-divider {
  height: 1px;
  background-color: var(--color-border-light);
  margin-bottom: var(--space-6);
}

/* ============================================
   7. FOOTER BOTTOM
   ============================================ */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.footer-copyright {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-legal a {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

@media (max-width: 768px) {
  .footer {
    text-align: left !important;
  }
  
  .footer .container {
    text-align: left !important;
  }
  
  .footer-grid {
    text-align: left !important;
  }
  
  .footer-brand {
    text-align: left !important;
    max-width: 100%;
  }
  
  .footer-logo {
    justify-content: flex-start !important;
  }
  
  .footer-description {
    font-size: var(--text-body);
    text-align: left !important;
  }
  
  .footer-column {
    text-align: left !important;
  }
  
  .footer-title {
    font-size: var(--text-body-lg);
    text-align: left !important;
  }
  
  .footer-links {
    text-align: left !important;
  }
  
  .footer-links li {
    text-align: left !important;
  }
  
  .footer-links a {
    font-size: var(--text-body);
    text-align: left !important;
    display: inline-block;
  }
  
  .footer-contact {
    text-align: left !important;
  }
  
  .footer-contact li {
    font-size: var(--text-body);
    text-align: left !important;
    justify-content: flex-start !important;
  }
  
  .footer-contact li span {
    text-align: left !important;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start !important;
    text-align: left !important;
  }
  
  .footer-copyright {
    font-size: var(--text-body);
    text-align: left !important;
  }
  
  .footer-legal {
    justify-content: flex-start !important;
    text-align: left !important;
  }
  
  .footer-legal a {
    font-size: var(--text-body);
    text-align: left !important;
  }
  
  .footer-disclaimer {
    text-align: left !important;
  }
  
  .footer-disclaimer p {
    font-size: var(--text-body);
    text-align: left !important;
  }
}

/* ============================================
   8. RISK WARNING BANNER
   ============================================ */
.footer-risk {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
}

.footer-risk p {
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
  text-align: center;
}

/* ============================================
   9. NEWSLETTER (Optional)
   ============================================ */
.footer-newsletter {
  margin-top: var(--space-6);
}

.footer-newsletter .newsletter-title {
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-body-sm);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.newsletter-form button {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.newsletter-form button:hover {
  background-color: var(--color-primary-light);
}

@media (max-width: 480px) {
  .newsletter-form {
    flex-direction: column;
  }
}

/* ============================================
   10. FOOTER DISCLAIMER
   ============================================ */
.footer-disclaimer {
  margin-top: var(--space-8);
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
}

.footer-disclaimer p {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-4) 0;
}

.footer-disclaimer p:last-child {
  margin-bottom: 0;
  margin-top: var(--space-4);
}

/* ============================================
   11. FOOTER BADGES/CERTIFICATIONS
   ============================================ */
.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.footer-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--text-caption);
  color: var(--color-text-muted);
}

.footer-badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}