/* ============================================
   TAMMKREIZ FOOTER STYLES
   Design moderne et élégant - Mobile First
   ============================================ */

/* ============================================
   MAIN FOOTER CONTAINER
   ============================================ */
.footer {
  background: linear-gradient(180deg, var(--tk-gray-900) 0%, var(--tk-black) 100%);
  color: var(--tk-gray-300);
  padding: var(--tk-space-12) var(--tk-space-6) var(--tk-space-8);
  margin-top: var(--tk-space-12);
  position: relative;
}

/* Decorative top border */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--tk-blue) 0%, 
    var(--tk-blue) 33%, 
    var(--tk-orange) 33%, 
    var(--tk-orange) 66%, 
    var(--tk-green) 66%
  );
}

/* Footer content wrapper */
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--tk-space-10);
}

/* ============================================
   FOOTER SECTIONS
   ============================================ */

/* TammKreiz Info Section */
.tk_footer_text {
  max-width: 350px;
}

.tk_footer_text h3 {
  font-family: var(--tk-font-heading);
  font-size: var(--tk-font-size-2xl);
  font-weight: var(--tk-font-weight-extrabold);
  margin-bottom: var(--tk-space-4);
  background: linear-gradient(90deg, 
    var(--tk-gray-400) 0%, 
    var(--tk-gray-400) 35%,
    var(--tk-blue) 35%,
    var(--tk-blue) 50%,
    var(--tk-orange) 50%,
    var(--tk-orange) 70%,
    var(--tk-green) 70%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tk_footer_text p {
  color: var(--tk-gray-400);
  font-size: var(--tk-font-size-sm);
  line-height: var(--tk-line-height-relaxed);
  margin-bottom: var(--tk-space-3);
}

.tk_footer_text h5 {
  color: var(--tk-gray-200);
  font-size: var(--tk-font-size-sm);
  font-weight: var(--tk-font-weight-semibold);
  margin-top: var(--tk-space-6);
  margin-bottom: var(--tk-space-4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Partner Logos */
.logo_partner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tk-space-3);
  align-items: center;
}

.logo_partner img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--tk-radius-md);
  background: var(--tk-gray-800);
  padding: var(--tk-space-1);
  transition: transform var(--tk-transition-fast);
}

.logo_partner img:hover {
  transform: scale(1.15);
}

/* ============================================
   ABOUT & FAQ SECTIONS
   ============================================ */
.about-faq {
  padding: 0;
}

.about-faq h4 {
  color: var(--tk-white);
  font-size: var(--tk-font-size-base);
  font-weight: var(--tk-font-weight-bold);
  margin-bottom: var(--tk-space-5);
  position: relative;
  padding-bottom: var(--tk-space-3);
}

.about-faq h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--tk-orange) 0%, var(--tk-yellow) 100%);
  border-radius: var(--tk-radius-full);
}

.about-faq p {
  margin-bottom: var(--tk-space-3);
}

/* Footer Links */
.footer_link {
  color: var(--tk-gray-400);
  text-decoration: none;
  font-size: var(--tk-font-size-sm);
  font-weight: var(--tk-font-weight-medium);
  transition: all var(--tk-transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--tk-space-2);
}

.footer_link:hover {
  color: var(--tk-orange);
  text-decoration: none;
  transform: translateX(4px);
}

.footer_link::before {
  content: '';
  width: 0;
  height: 2px;
  background: var(--tk-orange);
  transition: width var(--tk-transition-fast);
}

.footer_link:hover::before {
  width: 12px;
}

/* ============================================
   UTILITY SECTION (Buttons, Social, App)
   ============================================ */
.tk_util_footer {
  display: flex;
  flex-direction: column;
  gap: var(--tk-space-4);
  align-items: flex-start;
}

/* CTA Buttons */
.tk_util_footer button {
  width: 100%;
  max-width: 220px;
  padding: var(--tk-space-3) var(--tk-space-5);
  font-family: var(--tk-font-primary);
  font-size: var(--tk-font-size-sm);
  font-weight: var(--tk-font-weight-bold);
  border: none;
  border-radius: var(--tk-radius-pill);
  cursor: pointer;
  transition: all var(--tk-transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tk_util_footer button:first-of-type {
  background: linear-gradient(135deg, var(--tk-orange) 0%, var(--tk-orange-dark) 100%);
  color: var(--tk-white);
  box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3);
}

.tk_util_footer button:first-of-type:hover {
  background: linear-gradient(135deg, var(--tk-orange-light) 0%, var(--tk-orange) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

.tk_util_footer button:nth-of-type(2) {
  background: linear-gradient(135deg, var(--tk-green) 0%, var(--tk-green-dark) 100%);
  color: var(--tk-white);
  box-shadow: 0 4px 12px rgba(139, 195, 74, 0.3);
}

.tk_util_footer button:nth-of-type(2):hover {
  background: linear-gradient(135deg, var(--tk-green-light) 0%, var(--tk-green) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 195, 74, 0.4);
}

/* Social Media Section */
.tk_util_footer > div:first-of-type {
  display: flex;
  gap: var(--tk-space-3);
  margin-top: var(--tk-space-4);
  color: var(--tk-gray-400);
  font-size: var(--tk-font-size-sm);
}

/* App Download Section */
.tk_util_footer > div:last-child h4 {
  color: var(--tk-white);
  font-size: var(--tk-font-size-sm);
  font-weight: var(--tk-font-weight-semibold);
  margin-bottom: var(--tk-space-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tk_util_footer > div:last-child > div {
  display: flex;
  gap: var(--tk-space-3);
}

.tk_util_footer > div:last-child img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--tk-radius-md);
  background: var(--tk-gray-800);
  padding: var(--tk-space-1);
  transition: transform var(--tk-transition-fast);
}

.tk_util_footer > div:last-child img:hover {
  transform: scale(1.15);
}

/* ============================================
   FOOTER BOTTOM (Copyright)
   ============================================ */
.footer-bottom {
  max-width: 1200px;
  margin: var(--tk-space-10) auto 0;
  padding-top: var(--tk-space-6);
  border-top: 1px solid var(--tk-gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--tk-space-4);
}

.footer-copyright {
  color: var(--tk-gray-500);
  font-size: var(--tk-font-size-xs);
}

.footer-legal-links {
  display: flex;
  gap: var(--tk-space-6);
}

.footer-legal-links a {
  color: var(--tk-gray-500);
  font-size: var(--tk-font-size-xs);
  text-decoration: none;
  transition: color var(--tk-transition-fast);
}

.footer-legal-links a:hover {
  color: var(--tk-orange);
}

/* ============================================
   RESPONSIVE DESIGN - Mobile First
   ============================================ */

/* Tablet */
@media screen and (max-width: 991px) {
  .footer {
    padding: var(--tk-space-10) var(--tk-space-5) var(--tk-space-6);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--tk-space-8);
  }

  .tk_footer_text {
    max-width: 100%;
    grid-column: span 2;
  }
}

/* Mobile */
@media screen and (max-width: 768px) {
  .footer {
    padding: var(--tk-space-8) var(--tk-space-4) var(--tk-space-6);
    text-align: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--tk-space-8);
  }

  .tk_footer_text {
    grid-column: span 1;
    max-width: 100%;
  }

  .tk_footer_text h3 {
    font-size: var(--tk-font-size-xl);
  }

  .about-faq h4::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer_link {
    justify-content: center;
  }

  .footer_link::before {
    display: none;
  }

  .tk_util_footer {
    align-items: center;
  }

  .tk_util_footer button {
    max-width: 280px;
  }

  .logo_partner {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--tk-space-3);
  }

  .footer-legal-links {
    justify-content: center;
    gap: var(--tk-space-4);
  }
}

/* Small phones */
@media screen and (max-width: 480px) {
  .footer {
    padding: var(--tk-space-6) var(--tk-space-3) var(--tk-space-4);
  }

  .tk_footer_text h3 {
    font-size: var(--tk-font-size-lg);
  }

  .tk_footer_text p,
  .footer_link,
  .tk_util_footer button {
    font-size: var(--tk-font-size-xs);
  }

  .footer-legal-links {
    flex-direction: column;
    gap: var(--tk-space-2);
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .footer_link,
  .tk_util_footer button,
  .logo_partner img {
    transition: none;
  }
}

/* Focus states for accessibility */
.footer_link:focus-visible,
.tk_util_footer button:focus-visible {
  outline: 2px solid var(--tk-orange);
  outline-offset: 2px;
}