:root{
  --footer-height: 140px;
}

footer{
  font-weight: 500;
  font-family: var(--sans-font);
  font-size: calc(0.72*var(--font-size));
  position: relative;
  z-index: 6;
  background:
    radial-gradient(circle at 15% 0%, rgba(0, 162, 255, .12), transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(2, 31, 78, .12), transparent 60%),
    var(--bg);
  margin: 0 auto;
  min-height: var(--footer-height);
  display: block;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  border-top: 1px solid var(--border);
}

footer::before{
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, 80vw);
  height: 2px;
  background: linear-gradient(90deg, transparent, #00a2ff, transparent);
  opacity: .7;
}

.footer-inner{
  margin: 0 auto;
  width: min(100%, var(--main-max-width));
  padding: 0 clamp(1.2rem, 4vw, 2.6rem);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 3rem);
  align-items: center;
}

.footer-brand{
  display: grid;
  gap: .35rem;
}

.footer-logo{
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.02em;
}

.footer-logo span{
  color: #00a2ff;
}

.footer-brand p{
  margin: 0;
  color: var(--text2);
  max-width: 40ch;
  font-size: .78em;
  line-height: 1.2;
  font-style: italic;
}

.footer-links{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  align-items: start;
}

.footer-group{
  display: grid;
  gap: .5rem;
  align-content: start;
}

.footer-group h4{
  margin: 0 0 .3rem 0;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text2);
  line-height: 1.2;
}

.footer-group a{
  color: var(--text2);
  text-decoration: none;
  padding: .28rem .5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all .2s ease;
  width: fit-content;
  line-height: 1.2;
}

.footer-group a:hover{
  color: var(--text);
  background: rgba(0, 162, 255, .08);
  border-color: rgba(0, 162, 255, .2);
}

@media (max-width: 900px){
  .footer-inner{
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 720px){
  footer{
    min-height: 140px;
    font-size: calc(0.72*var(--font-size));
  }

  .footer-links{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-group h4{
    font-size: .78rem;
  }

  .footer-group a{
    font-size: .9em;
  }
}