.site-footer {
  background: #ffffff;
  color: var(--color-text-light);
  padding: 3.5rem 0 1.5rem;
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1.4fr 1fr 1.6fr;
  gap: 2.5rem;
}
.footer-col h5 {
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 1.1rem;
}
.footer-logo { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem; }
.footer-logo img { height: 36px; width: 36px; object-fit: contain; border-radius: 6px; }
.footer-logo span { color: var(--color-navy); font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; }
.footer-col p { color: var(--color-text-light); font-size: 0.92rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: var(--color-pink); font-weight: 600; font-size: 0.92rem; }
.footer-links a:hover { text-decoration: underline; }
.footer-contact li { display: flex; gap: 0.6rem; margin-bottom: 0.75rem; font-size: 0.92rem; color: var(--color-text-light); list-style: none; }
.footer-contact i { color: var(--color-pink); margin-top: 0.2rem; }
.footer-socials { display: flex; gap: 0.75rem; margin-top: 1rem; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-navy);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.footer-socials a:hover { background: var(--color-navy); color: #fff; transform: translateY(-3px); }

.cookie-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  margin-top: 1.5rem;
}
.cookie-box p { font-size: 0.85rem; margin-bottom: 0.5rem; }
.cookie-box a { color: var(--color-pink); }
.cookie-box.is-hidden { display: none; }

.footer-bottom {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.footer-bottom div { margin-bottom: 0.4rem; }

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-col {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .footer-contact {
    padding: 0;
  }
  .footer-contact li {
    justify-content: center;
  }
  .footer-links {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
  }
  .footer-socials {
    justify-content: center;
  }
}

.zalo-widget {
  display: none;
}

@media (max-width: 768px) {
  .zalo-widget {
    display: flex;
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1100;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    border-radius: 999px;
    padding: 0.5rem 0.75rem;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(42, 39, 116, 0.15);
  }
  .zalo-widget a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-navy);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
  }
  .zalo-widget img {
    width: 32px;
    height: 32px;
    display: block;
    border-radius: 50%;
  }
}