.footer {
  margin-top: auto;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border-top: 1px solid var(--clr-border);
  color: var(--clr-text);
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.25rem 1rem 1.5rem;
  display: grid;
  grid-template-columns: 1.15fr 1.85fr;
  gap: 2rem;
  align-items: start;
}

.footer__brand-panel {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 320px;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: 'Poppins', 'Roboto', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  position: relative;
  padding: 0.1rem 0;
  width: fit-content;
}

.footer__brand::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 38%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--clr-primary), rgba(26, 115, 232, 0.22));
}

.footer__brand:hover,
.footer__brand:focus {
  color: var(--clr-primary-hover);
}

.footer__slogan {
  color: var(--clr-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin: 0;
}

.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.footer__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-surface-alt);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  text-decoration: none;
  transition: transform var(--transition), color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.footer__icon:hover,
.footer__icon:focus {
  color: var(--clr-primary);
  border-color: rgba(26, 115, 232, 0.22);
  background: rgba(26, 115, 232, 0.08);
  box-shadow: 0 6px 16px rgba(26, 115, 232, 0.08);
  transform: translateY(-1px) scale(1.02);
  outline: none;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-direction: column;
}

.footer__links-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer__group {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.footer__heading {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--clr-text);
}

.footer__link {
  color: var(--clr-muted);
  text-decoration: none;
  font-size: 0.95rem;
  position: relative;
  transition: color var(--transition);
  display: inline-flex;
  width: fit-content;
  padding-bottom: 0.1rem;
}

.footer__link:hover,
.footer__link:focus {
  color: var(--clr-primary);
  text-decoration: none;
}

.footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--clr-primary), rgba(26, 115, 232, 0.15));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.footer__link:hover::after,
.footer__link:focus::after {
  transform: scaleX(1);
}

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  text-align: center;
  padding: 1rem;
  color: var(--clr-muted);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.55);
}

@media (max-width: 768px) {
  .footer__container {
    grid-template-columns: 1fr;
  }

  .footer__links-panel {
    grid-template-columns: 1fr;
  }
}