/* =========================================================
   FOOTER — Light, Premium, 4-Column
   ========================================================= */

.footer {
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

/* ---- Inner wrapper ---- */
.footer__inner {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  box-sizing: border-box;
}

/* =========================================================
   4-COLUMN GRID
   ========================================================= */

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 60px 0 48px;
  border-bottom: 1px solid #e2e8f0;
  align-items: start;
}

/* =========================================================
   COLUMN 1 — BRAND
   ========================================================= */

.footer__logo {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 800;
  color: #0f172a;
  text-decoration: none;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.footer__tagline {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.65;
  margin: 0 0 20px;
  max-width: 260px;
}

/* Contact details */
.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-style: normal;
  margin-bottom: 24px;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: #475569;
  text-decoration: none;
  transition: color 0.18s ease;
  line-height: 1.4;
}

.footer__contact-item span[aria-hidden] {
  font-size: 0.95rem;
  flex-shrink: 0;
}

.footer__contact-item:hover {
  color: #0f172a;
}

/* ---- Social icons ---- */
.footer__socials {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px;
}

.footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  color: #475569;
  text-decoration: none;
  transition:
    background 0.22s ease,
    border-color 0.22s ease,
    color 0.22s ease,
    transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.footer__social:hover {
  background: #f0fdf4;
  border-color: #86efac;
  color: #16a34a;
  transform: scale(1.1);
}

/* =========================================================
   COLUMNS 2, 3, 4 — NAV
   ========================================================= */

.footer__col-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0f172a;
  margin: 0 0 18px;
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.875rem;
  color: #475569;
  text-decoration: none;
  display: inline-block;
  transition: color 0.18s ease, transform 0.18s ease;
}

.footer__link:hover {
  color: #0f172a;
  transform: translateX(3px);
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 0.82rem;
  color: #94a3b8;
  margin: 0;
}

.footer__bottom-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
}

.footer__bottom-link {
  font-size: 0.82rem;
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.18s ease;
}

.footer__bottom-link:hover {
  color: #475569;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Tablet: 2 columns */
@media (max-width: 860px) {
  .footer__inner {
    padding: 0 24px;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding: 48px 0 36px;
  }

  .footer__tagline {
    max-width: 100%;
  }
}

/* Mobile: stacked */
@media (max-width: 520px) {
  .footer__inner {
    padding: 0 16px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 0 32px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .footer__bottom-links {
    gap: 14px;
  }
}