.footer {
  position: relative;
  overflow: hidden;
  padding-block: var(--sp-8) var(--sp-5);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(87, 169, 232, 0.22) 0%, transparent 60%),
    radial-gradient(50% 70% at 0% 100%, rgba(217, 67, 197, 0.16) 0%, transparent 60%),
    var(--c-brand-deep);
  color: var(--c-on-brand-muted);
}

.footer::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -40px;
  width: 420px;
  aspect-ratio: 640 / 431;
  background: url("../img/logo-white.png") center / contain no-repeat;
  opacity: 0.05;
  pointer-events: none;
}

.footer .container {
  position: relative;
  z-index: 1;
}

.footer a {
  text-decoration: none;
  transition: color 0.2s;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--sp-6);
}

.footer__brand {
  max-width: 360px;
  font-size: var(--fs-sm);
}

.footer__brand img {
  margin-bottom: var(--sp-4);
}

.footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer__actions .btn {
  min-height: 44px;
  padding-inline: var(--sp-5);
  font-size: var(--fs-sm);
}

.footer__col {
  display: grid;
  gap: var(--sp-3);
  align-content: start;
  font-size: var(--fs-sm);
}

.footer__col a:hover {
  color: var(--c-on-brand);
}

.footer__title {
  margin-bottom: var(--sp-1);
  font: 800 var(--fs-md) / 1.2 var(--font-head);
  color: var(--c-on-brand);
}

.footer__line {
  display: grid;
  gap: var(--sp-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__line li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.footer__line li::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--dot);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--dot) 25%, transparent);
}

.footer__warning {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-7);
  padding: var(--sp-5) var(--sp-6);
  border: 1px solid var(--c-glass-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  font-size: var(--fs-sm);
}

.footer__warning svg {
  flex: none;
  color: var(--c-orange);
}

.footer__warning strong {
  color: var(--c-on-brand);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-glass-line);
  font-size: var(--fs-xs);
}

.footer__bottom a:hover {
  color: var(--c-on-brand);
}

@media (max-width: 960px) {
  .footer__top {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: none;
  }
}

@media (max-width: 560px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .footer__col:last-child {
    grid-column: 1 / -1;
  }

  .footer__line {
    grid-template-columns: 1fr 1fr;
  }

  .footer__warning {
    align-items: flex-start;
    padding: var(--sp-4);
  }
}