/**
 * Footer component styles
 * Mobile-First responsive footer design starting at 320px
 */

/* ============================================
   Mobile Base (320px+)
   ============================================ */

.footer {
  background: linear-gradient(
    135deg,
    var(--color-gray-900) 0%,
    var(--color-gray-600) 100%
  );
  color: var(--color-white);
  margin-top: auto;
  padding: 1.5rem 1rem 1rem;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.8s ease-out;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--type-electric),
    var(--type-fire),
    var(--type-water),
    var(--type-grass)
  );
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 0.75rem;
}

.footer-content {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.footer-section {
  text-align: center;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.75rem;
  color: var(--type-electric);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-description {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-gray-200);
  margin-bottom: 0.75rem;
}

.footer-text {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--color-gray-200);
}

.footer-link {
  color: var(--type-water);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.footer-link:hover {
  color: var(--type-electric);
  border-bottom-color: var(--type-electric);
}

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

.footer-list-item {
  font-size: 1rem;
  color: var(--color-gray-200);
  margin-bottom: 0.4rem;
  position: relative;
  padding-left: 1rem;
}

.footer-list-item::before {
  content: "▶";
  position: absolute;
  left: 0;
  color: var(--type-grass);
  font-size: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
  position: relative;
}

.footer-copyright {
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.footer-credits {
  font-size: 1rem;
  color: var(--color-gray-400);
  line-height: 1.3;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}

.footer-link-button {
  background: none;
  border: none;
  color: var(--type-electric);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  padding: 0.4rem 0.75rem;
  transition: all 0.3s ease;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-link-button:hover,
.footer-link-button:focus {
  color: var(--type-water);
  transform: translateY(-2px);
  outline: none;
  text-shadow: 0 0 8px var(--type-water);
}

.footer-link-button:focus-visible {
  outline: 2px solid var(--type-water);
  outline-offset: 4px;
}

.footer-separator {
  color: var(--color-gray-400);
  font-size: 1rem;
}

/* ============================================
   Responsive - Small Mobile (360px+)
   ============================================ */

@media (min-width: 22.5rem) {
  .footer {
    padding: 2rem 1rem 1.25rem;
  }

  .footer-container {
    padding: 0 1rem;
  }

  .footer-title {
    font-size: 1.15rem;
  }

  .footer-description {
    font-size: 1rem;
  }

  .footer-link-button {
    font-size: 1rem;
    padding: 0.45rem 0.85rem;
  }
}

/* ============================================
   Responsive - Medium Mobile (480px+)
   ============================================ */

@media (min-width: 30rem) {
  .footer {
    padding: 2.5rem 1.25rem 1.5rem;
  }

  .footer-content {
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }

  .footer-title {
    font-size: 1.2rem;
  }

  .footer-description {
    font-size: 1rem;
  }

  .footer-copyright {
    font-size: 1rem;
  }

  .footer-credits {
    font-size: 1rem;
  }

  .footer-links {
    gap: 0.75rem;
    margin: 1rem 0;
  }

  .footer-link-button {
    font-size: 1rem;
    padding: 0.5rem 0.9rem;
  }
}

/* ============================================
   Responsive - Tablet (768px+)
   ============================================ */

@media (min-width: 48rem) {
  .footer {
    padding: 3rem 1.5rem 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    text-align: left;
  }

  .footer-section:first-child {
    grid-column: 1 / -1;
    text-align: center;
    margin-bottom: 1rem;
  }

  .footer-title {
    font-size: 1.375rem;
  }

  .footer-description {
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
  }

  .footer-copyright {
    font-size: 1rem;
  }

  .footer-credits {
    font-size: 1rem;
  }

  .footer-link-button {
    font-size: 1rem;
    padding: 0.5rem 1rem;
  }

  .footer-links {
    gap: 1rem;
  }
}

/* ============================================
   Responsive - Desktop (1024px+)
   ============================================ */

@media (min-width: 64em) {
  .footer {
    padding: 4rem 2rem 2.5rem;
  }

  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-section:first-child {
    grid-column: 1;
    text-align: left;
    margin-bottom: 0;
  }

  .footer-description {
    text-align: left;
    margin: 0 0 var(--spacing-md);
  }

  .footer-title {
    font-size: 1.5rem;
  }
}

/* ============================================
   Responsive - Large Desktop (1200px+)
   ============================================ */

@media (min-width: 75rem) {
  .footer {
    padding: 5rem 3rem 3rem;
  }

  .footer-content {
    gap: 3rem;
  }

  .footer-section {
    padding: 0 1rem;
  }
}

/* ============================================
   Accessibility & Preferences
   ============================================ */

@media (prefers-color-scheme: dark) {
  .footer {
    background: linear-gradient(135deg, #000000 0%, var(--color-gray-900) 100%);
  }

  .footer-link:hover {
    color: var(--type-electric);
    text-shadow: 0 0 8px var(--type-electric);
  }
}

@media (prefers-reduced-motion: reduce) {
  .footer {
    animation: none;
  }

  .footer-link {
    transition: none;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-contrast: high) {
  .footer {
    background: var(--color-black);
    border-top: 3px solid var(--color-white);
  }

  .footer-title {
    color: var(--color-white);
  }

  .footer-link {
    color: var(--color-white);
    text-decoration: underline;
  }
}