/* Header #13 */
#header-13 {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  background-color: #fff;
  z-index: 1000;
}
#header-13 .navbar-brand img {
  max-height: 45px;
}
/* Đảm bảo container flex và items căn giữa */
#header-13 .container.d-flex {
  align-items: center;
}
/* Chừa khoảng giữa logo và collapse */
#header-13 .navbar-toggler {
  margin-left: auto;
}
/* Search input */
#header-13 .form-control {
  width: 240px;
  transition: width 0.3s;
}
#header-13 .form-control:focus {
  width: 300px;
}
@media (max-width: 767.98px) {
  #header-13 .form-control {
    width: 140px;
  }
  #header-13 .form-control:focus {
    width: 180px;
  }
}
#header-13 .btn-contact {
  text-transform: uppercase;
  padding: 0.5rem 1rem;
}
#header-13 .nav-link {
  color: #333;
}
#header-13 .nav-link.active {
  color: #0d6efd;
  font-weight: 500;
}



#useful-link-10 {
  background-color: #f8f9fa;
}
#useful-link-10 .section-title {
  font-weight: 700;
}
#useful-link-10 .section-subtitle {
  font-size: 1.15rem;
}
#useful-link-10 .link-block {
  background-color: #ffffff;
  color: #495057;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: color 0.4s ease-in-out, transform 0.3s ease-out,
    box-shadow 0.3s ease-out;
  z-index: 1;
  border: 1px solid #dee2e6;
}
#useful-link-10 .link-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
  z-index: -1;
  background-color: #0d6efd;
}
#useful-link-10 .link-block.hover-bg-blue::before {
  background-color: #0d6efd;
}
#useful-link-10 .link-block.hover-bg-green::before {
  background-color: #198754;
}
#useful-link-10 .link-block.hover-bg-purple::before {
  background-color: #6f42c1;
}
#useful-link-10 .link-block.hover-bg-orange::before {
  background-color: #fd7e14;
}
#useful-link-10 .link-block.hover-bg-teal::before {
  background-color: #20c997;
}
#useful-link-10 .link-block.hover-bg-gray::before {
  background-color: #6c757d;
}
#useful-link-10 .link-block.hover-bg-default::before {
  background-color: #0d6efd;
}
#useful-link-10 .link-block:hover {
  color: #ffffff;
  transform: translateY(-6px);
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.1);
  border-color: transparent;
}
#useful-link-10 .link-block:hover::before {
  opacity: 1;
}
#useful-link-10 .link-icon {
  color: #adb5bd;
  transition: color 0.4s ease-in-out;
}
#useful-link-10 .link-block:hover .link-icon {
  color: #ffffff;
}
#useful-link-10 .link-title {
  font-size: 1.1rem;
  transition: color 0.4s ease-in-out;
}
#useful-link-10 .link-block:hover .link-title {
  color: #ffffff;
}



/* Footer-4 Styles */
#footer-4 .footer-cta-section {
  background-color: var(--footer-cta-bg-color, #007bff);
  color: var(--footer-cta-text-color, #ffffff);
  padding: 2.5rem 1rem;
  text-align: center;
}
#footer-4 .footer-cta-section p {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 300;
}
#footer-4 .footer-cta-section .btn-cta {
  background-color: var(--footer-cta-button-bg-color, #ffffff);
  color: var(--footer-cta-button-text-color, #007bff);
  border-color: var(
    --footer-cta-button-bg-color,
    #ffffff
  ); /* For consistent border */
  padding: 0.6rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0.25rem;
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
  display: inline-block;
}
#footer-4 .footer-cta-section .btn-cta:hover {
  background-color: var(--footer-cta-button-hover-bg-color, #f0f0f0);
  color: var(--footer-cta-button-hover-text-color, #0056b3);
  border-color: var(--footer-cta-button-hover-bg-color, #f0f0f0);
}
#footer-4 .footer-main-content {
  background-color: var(--footer-main-bg-color, #f8f9fa);
  color: var(--footer-main-text-color, #343a40);
  padding: 3rem 0;
  font-size: 0.9rem;
}
#footer-4 .footer-main-content .footer-logo {
  max-height: 50px;
  margin-bottom: 1rem;
}
#footer-4 .footer-main-content .footer-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--footer-main-text-color);
}
#footer-4 .footer-main-content .brand-description {
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.9;
}
#footer-4 .footer-main-content .widget-links-list {
  list-style: none;
  padding-left: 0;
}
#footer-4 .footer-main-content .widget-links-list li {
  margin-bottom: 0.5rem;
}
#footer-4 .footer-main-content .widget-links-list a {
  color: var(--footer-main-link-color, #007bff);
  text-decoration: none;
  transition: color 0.2s ease;
}
#footer-4 .footer-main-content .widget-links-list a:hover,
#footer-4 .footer-main-content .widget-links-list a.active {
  color: var(--footer-main-link-hover-color, #0056b3);
  text-decoration: underline;
}
#footer-4 .footer-main-content .contact-item {
  margin-bottom: 0.5rem;
}
#footer-4 .footer-main-content .contact-item i {
  margin-right: 0.5rem;
  color: var(--footer-main-link-color, #007bff);
  width: 18px;
}
#footer-4 .footer-main-content .contact-item a {
  color: var(--footer-main-text-color);
  text-decoration: none;
}
#footer-4 .footer-main-content .contact-item a:hover {
  color: var(--footer-main-link-color, #007bff);
}
#footer-4 .footer-bottom-bar {
  background-color: var(--footer-bottom-bar-bg-color, #e9ecef);
  color: var(--footer-bottom-bar-text-color, #495057);
  padding: 1.5rem 0;
  font-size: 0.85rem;
}
#footer-4 .footer-bottom-bar .copyright-text {
  margin-bottom: 0;
  text-align: center;
}
#footer-4 .footer-bottom-bar .social-links-bottom a {
  color: var(--footer-bottom-bar-text-color, #495057);
  margin: 0 0.5rem;
  font-size: 1.1rem;
  transition: color 0.2s ease;
}
#footer-4 .footer-bottom-bar .social-links-bottom a:hover {
  color: var(
    --footer-main-link-color,
    #007bff
  ); /* Use main link color for hover */
}
@media (min-width: 768px) {
  #footer-4 .footer-cta-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: 2.5rem;
  }
  #footer-4 .footer-cta-section p {
    margin-bottom: 0;
    margin-right: 1.5rem; /* Space between text and button */
  }
  #footer-4 .footer-bottom-bar .copyright-text {
    text-align: left;
  }
  #footer-4 .footer-bottom-bar .social-links-bottom {
    text-align: right;
  }
}
@media (max-width: 767.98px) {
  #footer-4 .footer-main-content .footer-column {
    margin-bottom: 2rem;
  }
  #footer-4 .footer-bottom-bar .col-md-6 {
    /* Stack copyright and social on mobile */
    text-align: center !important;
    margin-bottom: 0.75rem;
  }
  #footer-4 .footer-bottom-bar .col-md-6:last-child {
    margin-bottom: 0;
  }
}