/*  1. FOOTER SHELL */
.footer {
  padding-block: clamp(4rem, 10vw, 6rem) 2rem;
  background-color: var(--bg);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* Subtle background accent for premium feel */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--container);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-h), transparent);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

/*  2. BRAND — Logo + Tagline */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer__logo {
  /* Site logo - shared styles in base.css .brand */
}

.footer__tagline {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 32ch;
}

/*  3. NAVIGATION & LINKS */
.footer__col-title {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-s);
  margin-bottom: 1.5rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--muted);
  transition: color var(--t-fast), transform var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__link:hover {
  color: var(--text-s);
  transform: translateX(4px);
}

/*  4. SOCIALS */
.footer__socials {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/*  5. BOTTOM BAR */
.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer__copyright {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--muted-2);
}

.footer__status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--muted);
}

.footer__status-dot {
  width: 6px;
  height: 6px;
  background-color: #10b981; /* Success green */
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

/*  6. RESPONSIVE */
@media (max-width: 900px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .footer__brand {
    grid-column: span 2;
  }
}

@media (max-width: 600px) {
  .footer {
    padding-block: 4rem 2rem;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer__brand {
    grid-column: span 1;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}