/**
 * Site footer — compact v1.2.0.0 (reduced vertical footprint ~45%).
 */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--clr-gray-900, #0f172a);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.75);
}

.site-footer__glow {
  position: absolute;
  pointer-events: none;
  inset: 0;
  background:
    radial-gradient(ellipse 420px 280px at 12% 0%, rgba(59, 130, 246, 0.07), transparent 70%),
    radial-gradient(circle 320px at 88% 100%, rgba(16, 185, 129, 0.04), transparent 70%);
}

.site-footer__main {
  position: relative;
  z-index: 1;
  padding: clamp(2rem, 4vw, 2.75rem) 0 clamp(1.25rem, 3vw, 1.75rem);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(200px, 1.15fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 2.25rem);
  align-items: start;
}

.site-footer__brand-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3, 0.75rem);
  margin-bottom: var(--sp-3, 0.75rem);
  flex-wrap: wrap;
}

.site-footer__tagline {
  margin: 0 0 var(--sp-4, 1rem);
  font-size: var(--fs-sm, 0.875rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
  max-width: 28ch;
}

.site-footer__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.22);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #10b981;
}

.site-footer__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse 2s ease infinite;
}

.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer__col-title {
  margin: 0 0 var(--sp-3, 0.75rem);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer__links--pulse {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 1rem;
}

.site-footer__link {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-sm, 0.875rem);
  text-decoration: none;
  transition: color var(--motion-fast, 150ms) var(--ease-standard);
}

@media (hover: hover) {
  .site-footer__link:hover {
    color: #fff;
  }
}

.site-footer__newsletter-desc {
  margin: 0 0 var(--sp-3, 0.75rem);
  font-size: var(--fs-sm, 0.875rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.65);
}

.site-footer__form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.site-footer__input {
  flex: 1 1 140px;
  min-width: 0;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--fs-sm, 0.875rem);
}

.site-footer__input:focus {
  outline: 2px solid rgba(96, 165, 250, 0.45);
  outline-offset: 1px;
  border-color: rgba(96, 165, 250, 0.35);
}

.site-footer__submit {
  flex: 0 0 auto;
  padding: 0.55rem 1rem !important;
  font-size: var(--fs-sm, 0.875rem) !important;
  white-space: nowrap;
}

.site-footer__bottom {
  position: relative;
  z-index: 1;
  margin-top: var(--sp-6, 1.5rem);
  padding-top: var(--sp-4, 1rem);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3, 0.75rem) var(--sp-6, 1.5rem);
  font-size: var(--fs-xs, 0.75rem);
  color: rgba(255, 255, 255, 0.42);
}

.site-footer__legal {
  display: flex;
  align-items: center;
  gap: var(--sp-3, 0.75rem);
  flex-wrap: wrap;
}

.site-footer__network {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.85rem;
}

.site-footer__network-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-right: 0.25rem;
}

.site-footer__network a {
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  font-size: var(--fs-xs, 0.75rem);
}

.site-footer__network a:hover {
  color: #fff;
}

.site-footer__network a.is-hub {
  color: var(--clr-accent-primary, #60a5fa);
  font-weight: 600;
}

.footer-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition:
    background var(--motion-fast, 150ms) var(--ease-standard),
    border-color var(--motion-fast, 150ms) var(--ease-standard),
    color var(--motion-fast, 150ms) var(--ease-standard),
    transform var(--motion-fast, 150ms) var(--ease-standard);
  text-decoration: none;
}

@media (hover: hover) {
  .footer-icon-btn:hover {
    background: rgba(59, 130, 246, 0.14);
    border-color: rgba(59, 130, 246, 0.32);
    color: #60a5fa;
    transform: translateY(-1px);
  }
}

.footer-cmd-hint {
  margin: var(--sp-2, 0.5rem) 0 0;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.38);
}

.footer-cmd-hint kbd {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--ff-mono, monospace);
  font-size: 0.85em;
}

@media (max-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .site-footer__brand-head,
  .site-footer__social,
  .site-footer__form {
    justify-content: center;
  }
  .site-footer__tagline {
    max-width: none;
  }
  .site-footer__links--pulse {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-footer__badge-dot {
    animation: none;
  }
}