/* Footer styles for BRAIN PUZZLE WORLD */

.bpw-footer {
  padding-top: var(--space-6);
}

.bpw-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: var(--space-6);
  padding-bottom: var(--space-4);
}

@media (max-width: 900px) {
  .bpw-footer__inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Brand block */
.bpw-footer__brand-block {
  display: flex;
  gap: var(--space-4);
}

.bpw-footer__brand-mark {
  position: relative;
  width: 3rem;
  height: 3rem;
  border-radius: 1.1rem;
  background: radial-gradient(circle at 0 0, rgba(59, 130, 246, 0.35), transparent 70%), rgba(15, 23, 42, 0.98);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.9);
}

.bpw-footer__brand-node {
  position: absolute;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
}

.bpw-footer__brand-node--primary {
  top: 0.55rem;
  left: 0.5rem;
  background: #22d3ee;
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.35);
}

.bpw-footer__brand-node--secondary {
  right: 0.55rem;
  bottom: 0.55rem;
  background: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.35);
}

.bpw-footer__brand-text {
  max-width: 22rem;
}

.bpw-footer__brand-name {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.bpw-footer__brand-desc {
  font-size: 0.9rem;
}

/* Link grid */
.bpw-footer__links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 700px) {
  .bpw-footer__links-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .bpw-footer__links-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.bpw-footer__heading {
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  color: rgba(191, 219, 254, 0.95);
}

.bpw-footer__link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.bpw-footer__link-list a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.bpw-footer__link-list a:hover,
.bpw-footer__link-list a:focus-visible {
  color: var(--color-text);
}

/* Bottom strip */
.bpw-footer__bottom {
  margin-top: var(--space-4);
  border-top: 1px solid rgba(15, 23, 42, 0.9);
}

.bpw-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

@media (max-width: 700px) {
  .bpw-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.bpw-footer__copyright {
  font-size: 0.8rem;
}

.bpw-footer__link-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.bpw-footer__link-group a {
  font-size: 0.8rem;
}

/* Cookie banner */
.bpw-cookie {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 50;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.2), transparent 55%), rgba(15, 23, 42, 0.98);
  border-top: 1px solid rgba(30, 64, 175, 0.85);
  box-shadow: 0 -18px 45px rgba(15, 23, 42, 0.9);
  transform: translateY(100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
}

.bpw-cookie--visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.bpw-cookie--hidden {
  transform: translateY(100%);
  opacity: 0;
  visibility: hidden;
}

.bpw-cookie__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

@media (max-width: 900px) {
  .bpw-cookie__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.bpw-cookie__title {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.bpw-cookie__desc {
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.bpw-cookie__link {
  font-size: 0.8rem;
  color: rgba(191, 219, 254, 0.95);
  text-decoration: underline;
}

.bpw-cookie__link:hover,
.bpw-cookie__link:focus-visible {
  color: #ffffff;
}

.bpw-cookie__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.bpw-cookie__btn {
  min-width: 9rem;
}

.bpw-cookie__btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}