/* ============================================
   FOOTER - Google / Material Inspired
   Dark bg, clean, minimal
   ============================================ */

.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-lg);
  position: relative;
}

/* === FOOTER GRID === */

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* === FOOTER BRAND === */

.footer__brand {
  margin-bottom: var(--space-lg);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.footer__logo-icon {
  height: 32px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--color-text-inverse);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-md);
  max-width: 280px;
}

/* Footer offices */
.footer__offices {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__office {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--text-small);
  color: var(--color-text-inverse);
}

.footer__office-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.6;
}

.footer__office-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

/* === FOOTER COLUMNS === */

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  text-transform: none;
  letter-spacing: var(--tracking-normal);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__links li {
  margin-bottom: 8px;
}

.footer__links a {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  color: var(--color-text-inverse);
  transition: color var(--duration-fast) var(--ease-out);
  display: inline-block;
}

.footer__links a:hover {
  color: var(--color-accent-light);
}

/* === FOOTER BOTTOM === */

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer__copyright {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer__bottom-links a {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__bottom-links a:hover {
  color: var(--color-white);
}

/* Footer lang switcher */
.footer .lang-btn {
  color: rgba(255, 255, 255, 0.4);
}

.footer .lang-btn.active {
  color: var(--color-white);
}

.footer .lang-btn.active::after {
  background-color: var(--color-accent-light);
}

.footer .lang-btn:hover {
  color: var(--color-white);
}

.footer .lang-divider {
  color: rgba(255, 255, 255, 0.2);
}

/* === FOOTER NEWSLETTER === */

.footer__newsletter {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
  padding-bottom: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .footer__newsletter {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer__newsletter-text h3 {
  color: var(--color-white);
  font-weight: var(--weight-regular);
  margin-bottom: var(--space-xs);
}

.footer__newsletter-text p {
  color: var(--color-text-inverse);
  font-size: var(--text-small);
}

.footer__newsletter-form {
  display: flex;
  gap: 0;
  width: 100%;
  max-width: 440px;
}

.footer__newsletter-input {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-small);
  border-radius: var(--radius-full) 0 0 var(--radius-full);
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer__newsletter-btn {
  padding: 12px 24px;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: var(--weight-medium);
  font-size: var(--text-small);
  text-transform: none;
  letter-spacing: var(--tracking-normal);
  border: none;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease-out);
  white-space: nowrap;
}

.footer__newsletter-btn:hover {
  background: var(--color-accent-dark);
}