/**
 * Footer Component Styles
 * 
 * Site footer with brand statement, contact info, and social icons.
 * Uses CSS variables for colors - no hardcoded values.
 */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__brand {
  max-width: 400px;
}

.footer__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer__description {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}

.footer__heading {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.footer__contact-list,
.footer__social-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__contact-item,
.footer__social-item {
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer__link:hover {
  color: var(--color-accent-primary);
}

.footer__social-list {
  display: flex;
  gap: var(--spacing-md);
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  background-color: rgba(0, 191, 200, 0.1);
  transform: translateY(-2px);
}

.footer__social-link:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

.footer__social-icon {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .footer__social-list {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
  }

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

  .footer__title {
    font-size: var(--font-size-xl);
  }

  .footer__description {
    font-size: var(--font-size-sm);
  }

  .footer__heading {
    font-size: var(--font-size-base);
  }

  .footer__link {
    font-size: var(--font-size-sm);
  }

  .footer__social-link {
    width: 36px;
    height: 36px;
  }

  .footer__social-icon {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 480px) {
  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }

  .footer__content {
    gap: var(--spacing-lg);
  }

  .footer__title {
    font-size: var(--font-size-lg);
  }

  .footer__description {
    font-size: var(--font-size-xs);
  }

  .footer__contact-item,
  .footer__social-item {
    margin-bottom: var(--spacing-xs);
  }

  .footer__social-list {
    gap: var(--spacing-sm);
  }

  .footer__social-link {
    width: 32px;
    height: 32px;
  }

  .footer__social-icon {
    width: 16px;
    height: 16px;
  }

  .footer__copyright {
    font-size: var(--font-size-xs);
  }
}