header {
  width: 100%;
  position: relative;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}
#header-2.sticky {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1030;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}
#header-2 .navbar {
  padding: 0.8rem 1rem;
}
#header-2 .navbar-brand img {
  height: 50px;
}
#header-2 .nav-link {
  color: #fff !important;
  transition: color 0.3s;
  font-size: 1.1rem;
}
#header-2 .active {
  color: #ffc107 !important;
  font-size: 1.1rem;
}

#header-2 .nav-link:hover {
  color: #ffc107 !important;
}
#header-2 .navbar-toggler {
  border: none;
}
#header-2 .btn {
  font-weight: bold;
  border-radius: 50px;
  padding: 10px 20px;
}
#header-2 .btn-login {
  background-color: transparent;
  color: #fff;
  border: 2px solid #fff;
}
#header-2 .btn-login:hover {
  background-color: #fff;
  color: #000;
}
#header-2 .btn-register {
  background-color: #ffc107;
  color: #000;
  border: none;
}
#header-2 .btn-register:hover {
  background-color: #e0a800;
}



#link-section-7 {
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  color: var(--link_color);
  text-align: center;
}

/* lớp sọc chéo động */
#link-section-7::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    var(--stripe_color) 10px,
    var(--stripe_color) 20px
  );
  background-size: 200% 200%;
  /* animation: moveStripes 10s linear infinite; */
  z-index: 0;
}

@keyframes moveStripes {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 100% 100%;
  }
}

#link-section-7 .container {
  position: relative;
  z-index: 1;
}

#link-section-7 .section-title {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

#link-section-7 .section-subtitle {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* các nút liên kết */
#link-section-7 .link-item {
  color: var(--link_color);
  text-decoration: none;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: color 0.3s;
}

#link-section-7 .link-item i {
  margin-right: 0.5rem;
  font-size: 1.25rem;
}

/* hiệu ứng đường viền dưới khi hover */
#link-section-7 .link-item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 25%;
  width: 50%;
  height: 2px;
  background: transparent;
  transition: background 0.3s, width 0.3s, left 0.3s;
}

#link-section-7 .link-item:hover::after {
  background: var(--link_hover_border);
  width: 100%;
  left: 0;
}



/* Footer-5 Styles */
#footer-5 {
  background-color: var(--footer-bg-color, #ffffff);
  color: var(--footer-text-color, #6c757d);
  padding: 3rem 0 2rem 0;
  text-align: center;
  font-size: 0.9rem;
  border-top: 1px solid var(--footer-separator-color, #dee2e6);
}
#footer-5 .footer-logo {
  max-height: 55px;
  margin-bottom: 0.75rem;
}
#footer-5 .footer-tagline {
  font-size: 1rem;
  margin-bottom: 2rem;
  color: var(--footer-text-color);
  font-weight: 300;
}
#footer-5 .footer-block-heading {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--footer-text-color);
  opacity: 0.7;
  margin-bottom: 0.75rem;
  margin-top: 1.5rem; /* Space if multiple blocks */
}
#footer-5 .footer-nav-list,
#footer-5 .footer-partners-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem; /* row-gap column-gap for links */
}
#footer-5 .footer-nav-list li a,
#footer-5 .footer-partners-list li a {
  color: var(--footer-link-color, #007bff);
  text-decoration: none;
  transition: color 0.2s ease;
}
#footer-5 .footer-nav-list li a:hover,
#footer-5 .footer-nav-list li a.active,
#footer-5 .footer-partners-list li a:hover {
  color: var(--footer-link-hover-color, #0056b3);
  text-decoration: underline;
}
#footer-5 .footer-bottom-content {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--footer-separator-color, #dee2e6);
}
#footer-5 .footer-social-icons a {
  color: var(--footer-social-icon-color, #6c757d);
  margin: 0 0.6rem;
  font-size: 1.2rem;
  transition: color 0.2s ease;
}
#footer-5 .footer-social-icons a:hover {
  color: var(--footer-social-icon-hover-color, #007bff);
}
#footer-5 .footer-copyright-text {
  font-size: 0.8rem;
  color: var(--footer-text-color);
  opacity: 0.8;
  margin-top: 1rem; /* Space above copyright if social icons are present */
}
#footer-5 .footer-copyright-text p {
  margin-bottom: 0;
}