/* ============================================
 * Footer - Dark Footer, Contact Form, Social
 * All values reference CSS variables from variables.css
 * ============================================ */

/* --- Footer Container --- */

.site-footer {
  background-color: var(--color-text);
  color: var(--color-border);
  padding-block: var(--space-16);
}

.site-footer a {
  color: var(--color-border);
  text-decoration: none;
  transition: color var(--duration-fast) var(--easing-ease);
}

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

.site-footer a:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Footer Grid --- */

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

/* --- Footer Headings --- */

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--font-size-h3);
  color: var(--color-surface);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-heading);
}

/* --- Contact Form (Dark Background) --- */

.footer-form .form-group {
  margin-bottom: var(--space-4);
}

.footer-form label {
  display: block;
  font-size: var(--font-size-small);
  font-weight: var(--weight-medium);
  color: var(--color-border);
  margin-bottom: var(--space-1);
}

.footer-form .required-star {
  color: var(--color-primary-light);
  margin-left: var(--space-1);
}

.footer-form input[type="text"],
.footer-form input[type="email"],
.footer-form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-surface);
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--easing-ease),
    box-shadow var(--duration-fast) var(--easing-ease);
}

.footer-form input::placeholder,
.footer-form textarea::placeholder {
  color: var(--color-border-strong);
}

.footer-form input:focus,
.footer-form textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(212, 149, 111, 0.25);
}

.footer-form textarea {
  min-height: 100px;
  resize: vertical;
}

/* Honeypot - visually hidden but not display:none for bots */
.footer-form .form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Submit button on dark bg */
.footer-form .btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--weight-medium);
  color: var(--color-surface);
  background-color: var(--color-primary-dark);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--easing-ease),
    transform var(--duration-fast) var(--easing-ease);
}

.footer-form .btn-submit:hover {
  background-color: var(--color-primary);
  transform: translateY(-1px);
}

.footer-form .btn-submit:active {
  transform: translateY(0);
}

.footer-form .btn-submit:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.footer-form .btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Loading spinner */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-surface);
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}

.btn-submit--loading .btn-spinner {
  display: block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Form error message */
.form-error {
  font-size: var(--font-size-small);
  color: var(--color-primary-light);
  margin-top: var(--space-2);
}

.form-field-error {
  font-size: var(--font-size-xs);
  color: var(--color-primary-light);
  margin-top: var(--space-1);
}

/* Form success */
.form-success {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  color: var(--color-surface);
}

.form-success h3 {
  color: var(--color-surface);
  margin-bottom: var(--space-2);
}

.form-success p {
  color: var(--color-border);
}

/* --- Social Links --- */

.social-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-border);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--easing-ease),
    background-color var(--duration-fast) var(--easing-ease);
}

.social-link:hover {
  color: var(--color-primary-light);
  background-color: rgba(255, 255, 255, 0.06);
}

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

.social-link svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* --- Info Links --- */

.footer-links {
  margin-top: var(--space-6);
}

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

.footer-links a {
  font-size: var(--font-size-small);
  line-height: var(--leading-small);
}

/* --- Copyright --- */

.footer-copyright {
  font-size: var(--font-size-small);
  color: #A8A09A;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
  margin-bottom: var(--space-1);
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }

  .footer-copyright {
    grid-column: 1 / -1;
  }
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-16);
  }

  .footer-copyright {
    grid-column: 1 / -1;
  }
}

/* --- Reduced Motion --- */

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