/* ============================================================
   01Academy · Footer
   Vivid+Co Design System — Prismatic Light Through Obsidian
   ============================================================ */

.footer {
  background: var(--color-obsidian);
  color: var(--color-fog-blue);
  padding-top: clamp(64px, 7.5vw, 108px);
  padding-bottom: var(--spacing-40);
  font-size: var(--text-caption);
  position: relative;
  border-top: 1px solid var(--color-ash-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: clamp(32px, 4vw, 56px);
  padding-bottom: var(--spacing-56);
  border-bottom: 1px solid var(--color-ash-border);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}

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

.footer__logo {
  font-family: var(--font-neue-montreal);
  font-weight: var(--font-weight-regular);
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--color-bone-white);
  margin-bottom: var(--spacing-16);
  display: inline-block;
}

.footer__logo span {
  color: var(--color-bone-white);
  opacity: 0.9;
}

.footer__about {
  max-width: 36ch;
  color: var(--color-fog-blue);
  line-height: var(--leading-body-sm);
  font-size: var(--text-caption);
}

.footer__title {
  font-family: var(--font-neue-montreal);
  font-size: 13px;
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-fog-blue);
  margin-bottom: var(--spacing-20);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__list a,
.footer__list span {
  color: var(--color-bone-white);
  text-decoration: none;
  font-size: var(--text-caption);
  transition: color var(--dur) var(--ease-vivid);
}

.footer__list a:hover {
  color: var(--color-fog-blue);
}

/* Icons in contact list */
.footer__list--icons a,
.footer__list--icons span {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
}

.footer__list--icons svg {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  color: var(--color-bone-white);
  opacity: 0.7;
}

.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--spacing-20);
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  border: 1px solid var(--color-ash-border);
  display: grid;
  place-items: center;
  color: var(--color-bone-white);
  transition:
    color var(--dur) var(--ease-vivid),
    border-color var(--dur) var(--ease-vivid),
    transform var(--dur-fast) var(--ease-vivid);
}

.footer__social a:hover {
  color: var(--color-bone-white);
  border-color: var(--color-bone-white);
  transform: translateY(-2px);
}

.footer__social svg {
  width: 16px;
  height: 16px;
}

.footer__bottom {
  padding-top: var(--spacing-20);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--color-fog-blue);
}