/* ============================================================
   FOOTER STYLES
   ============================================================ */

.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-subtle);
  position: relative;
}

/* Gradient top accent line */
.footer__top-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.5;
}

/* --- Main grid --- */
.footer__container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 56px;
}

/* --- Brand column --- */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.footer__logo:hover {
  opacity: 0.8;
}

.footer__logo-bracket {
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.footer__logo-text {
  color: var(--color-text-primary);
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 280px;
}

/* Social row */
.footer__socials {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.footer__social {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.footer__social:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(108, 99, 255, 0.1);
  transform: translateY(-3px);
}

/* --- Column shared styles --- */
.footer__col-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

/* --- Nav column --- */
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer__link {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.footer__link:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

/* --- Contact column --- */
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer__location {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}

/* --- Bottom bar --- */
.footer__bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding: 20px 0;
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copyright {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer__copyright-name {
  color: var(--color-primary);
  font-weight: 600;
}

.footer__made-with {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.footer__heart {
  animation: pulse 2s ease-in-out infinite;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer__container {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .footer__container {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 40px;
  }

  .footer__brand {
    grid-column: auto;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

/* Contact items với SVG icon */
.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.footer__contact-item svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.footer__location {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Made with heart - align SVG */
.footer__made-with {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__made-with svg {
  display: inline-flex;
  flex-shrink: 0;
}