/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--color-primary);
  padding: 3rem 8% 2rem;
  border-top: 2px solid var(--color-accent);
}

/* ── Three-column main row ──────────────────────────────────── */
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

/* ── Brand ──────────────────────────────────────────────────── */
.footer-logo {
  text-decoration: none;
  display: inline-flex;
  margin-bottom: 0.5rem;
}

.footer-logo-img {
  height: 32px;
  width: auto;
}

.footer-github {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-github svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.footer-github:hover {
  color: var(--color-accent);
}

.footer-stack {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.footer-stack-label {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
}

.footer-stack-icons {
  display: flex;
  gap: 0.5rem;
}

.footer-stack-icon {
  position: relative;
  display: inline-flex;
  cursor: default;
}

.footer-stack-icon svg {
  width: 18px;
  height: 18px;
  fill: rgba(255, 255, 255, 0.4);
  transition: fill var(--transition-base);
}

.footer-stack-icon:hover svg {
  fill: var(--color-accent);
}

.footer-stack-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.footer-stack-icon:hover::after {
  opacity: 1;
}

.footer-tagline {
  font-size: 0.85rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
}

/* ── Nav links ──────────────────────────────────────────────── */
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

/* ── Contact info ───────────────────────────────────────────── */
.footer-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-info p {
  font-size: 0.85rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-info a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-info a:hover {
  color: var(--color-accent);
}

/* ── Bottom row ─────────────────────────────────────────────── */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-credits {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8rem;
  color: var(--color-accent);
  width: 100%;
  justify-content: center;
}

.footer-credit-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 700;
  transition: opacity var(--transition-base);
}

.footer-credit-name {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-credit-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.footer-credit-role {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.6;
  text-decoration: none;
}

.footer-credit-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}

.footer-credit-link:hover {
  opacity: 0.7;
}

.footer-top-link {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-top-link:hover {
  color: var(--color-accent);
}

@media (max-width: 950px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer-top-link {
    display: block;
    margin-top: 1rem;
  }


  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    gap: 0.75rem;
    text-align: center;
  }

  .footer-credits {
    text-align: center;
  }
}