/* Root Variables */
:root {
  --footer-background: var(--primary-color);
}

/* Base Footer Style */
footer {
  font-family: var(--default-font);
  background-color: var(--footer-background);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  padding-top: 20px;
  color: white;
}

/* Footer Bottom Bar */
.footer-back {
  background-color: var(--primary-color);
  padding: 20px 0;
}

.footer-back-line {
  border-top: #fff 1px solid;
}

.footer-back .container p {
  margin-bottom: 0;
  line-height: normal;
}

/* Logo & Brand (giữ nguyên cột 1) */
.logo-wrapper {
  background: white;
  padding: 8px;
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 1rem;
}

/* Footer Link Styling */
.footer-link {
  color: white;
  text-decoration: none;
}

.footer-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
  font-weight: bold;
}

/* Section Headings */
.footer-heading {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Footer Lists */
footer ul {
  padding-left: 0;
  list-style: none;
}

footer ul li {
  margin-bottom: 0.5rem;
}

/* Icon spacing */
footer i {
  margin-right: 8px;
}

.btn-footer-contact {
  background-color: #fff;
  color: #000;
  border: 1px solid var(--primary-color);
  transition: background-color 0.3s ease, color 0.3s ease;
  font-weight: bold;
  width: 40%;
  font-size: 12px;
}

.btn-footer-contact:hover {
  background-color: #fff;
  color: #000;
}

@media (min-width: 768px) {
  .btn-footer-contact {
    width: 60%;
    padding: 10px;
    font-size: 14px;
  }
}

.footer-developer-name {
  font-size: 12px !important;
  text-align: center !important;
  font-family: Arial, Helvetica, sans-serif;
}