/* css/footer.css */
.footer {
  background: var(--color-deep, var(--deep));
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 56px var(--container-pad-x, var(--container-pad)) 48px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-bottom: 14px;
}
.footer__logo-listen {
  font-family: var(--font-heading); font-size: 16px; font-weight: 700;
  letter-spacing: 0.06em; color: var(--color-white, var(--white)); line-height: 1;
}
.footer__logo-field {
  font-family: var(--font-heading); font-size: 16px; font-weight: 700;
  letter-spacing: 0.06em; color: var(--color-lime, var(--lime)); line-height: 1;
}

.footer__tagline {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3); margin-bottom: 20px; line-height: 1.6;
}

.footer__offices { display: flex; flex-direction: column; gap: 8px; }
.footer__office { display: flex; align-items: flex-start; gap: 8px; }
.footer__office-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-lime, var(--lime)); flex-shrink: 0; margin-top: 6px; }
.footer__office-text { font-family: var(--font-body); font-size: 11px; color: rgba(255, 255, 255, 0.5); line-height: 1.6; }

/* Social media */
.footer__social { display: flex; align-items: center; gap: 8px; margin-top: 20px; }
.footer__social-btn {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.35); text-decoration: none;
  transition: color var(--transition-base, var(--ease)), background var(--transition-base, var(--ease)), border-color var(--transition-base, var(--ease));
}
.footer__social-btn:hover { color: var(--color-lime, var(--lime)); background: rgba(202, 255, 112, 0.06); border-color: rgba(202, 255, 112, 0.2); }
.footer__social-btn:focus-visible { color: var(--color-lime, var(--lime)); border-color: rgba(202, 255, 112, 0.2); }

/* Nav columns */
.footer__col-title { font-family: var(--font-heading); font-size: 10px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255, 255, 255, 0.3); margin-bottom: 20px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; list-style: none; }
.footer__link { font-family: var(--font-body); font-size: 13px; font-weight: 400; color: rgba(255, 255, 255, 0.5); text-decoration: none; transition: color var(--transition-base, var(--ease)); }
.footer__link:hover { color: rgba(255, 255, 255, 0.9); }
.footer__link:focus-visible { color: rgba(255, 255, 255, 0.9); }
.footer__link--accent { color: var(--color-lime, var(--lime)); font-weight: 600; }
.footer__link--accent:hover { color: var(--color-lime, var(--lime)); opacity: 0.85; }

/* Pillar hover variants */
.footer__link--predict:hover { color: var(--color-lime, var(--lime)); }
.footer__link--aggregate:hover { color: var(--color-teal, var(--teal)); }
.footer__link--execute:hover { color: var(--color-violet, var(--violet)); }

/* Bottom strip */
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07); max-width: var(--container-max);
  margin: 0 auto; padding: 20px var(--container-pad-x, var(--container-pad));
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.footer__copy { font-family: var(--font-body); font-size: 11px; color: rgba(255, 255, 255, 0.2); }
.footer__legal { display: flex; align-items: center; gap: 20px; }
.footer__legal-link { font-family: var(--font-body); font-size: 11px; color: rgba(255, 255, 255, 0.2); text-decoration: none; transition: color var(--transition-base, var(--ease)); }
.footer__legal-link:hover { color: rgba(255, 255, 255, 0.55); }
.footer__build { font-family: var(--font-mono); font-size: 10px; color: rgba(255, 255, 255, 0.1); letter-spacing: 0.1em; }

@media (max-width: 1024px) {
  .footer__main { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  .footer__main { grid-template-columns: 1fr 1fr; padding: 40px 20px 32px; gap: 32px 20px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 12px; padding: 16px 20px; }
  .footer__legal { gap: 12px; }
}