/* Header #11 */
#header-11 {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
#header-11 .navbar-brand img {
  max-height: 40px;
}
#header-11 .nav-link {
  color: #333;
}
#header-11 .nav-link.active {
  color: #0d6efd;
  font-weight: 500;
}
#header-11 a.d-flex {
  color: #333;
  text-decoration: none;
  margin-right: 1rem;
}
#header-11 a.d-flex:hover {
  color: #0d6efd;
}
#header-11 .btn {
  text-transform: uppercase;
}
/* Ẩn số điện thoại trên mobile */
@media (max-width: 767.98px) {
  #header-11 .d-flex {
    display: none !important;
  }
}



#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-6 Styles */
#footer-6 .footer-section-1 {
  background-color: var(--footer-s1-bg-color, #2c3e50);
  color: var(--footer-s1-text-color, #ecf0f1);
  padding: 2.5rem 0;
}
#footer-6 .footer-section-1 .footer-logo-s1 {
  max-height: 50px;
  margin-bottom: 1rem;
  /* filter: brightness(0) invert(1); */ /* Assuming dark bg, light logo */
}
#footer-6 .footer-section-1 .company-bio-s1 {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}
#footer-6 .footer-section-1 .newsletter-title-s1 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
#footer-6 .footer-section-1 .newsletter-form-s1 .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--footer-s1-text-color, #ecf0f1);
  font-size: 0.9rem;
}
#footer-6 .footer-section-1 .newsletter-form-s1 .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
#footer-6 .footer-section-1 .newsletter-form-s1 .btn-newsletter {
  background-color: var(--footer-newsletter-btn-bg, #3498db);
  color: var(--footer-newsletter-btn-text, #ffffff);
  border-color: var(--footer-newsletter-btn-bg, #3498db);
  font-size: 0.9rem;
}
#footer-6 .footer-section-1 .newsletter-response-s1 {
  font-size: 0.85rem;
  margin-top: 0.5rem;
}
#footer-6 .footer-section-1 .newsletter-response-s1 .text-success a {
  color: var(--footer-s1-link-color, #3498db);
}
#footer-6 .footer-section-2 {
  background-color: var(--footer-s2-bg-color, #343a40);
  color: var(--footer-s2-text-color, #f8f9fa);
  padding: 3rem 0;
  font-size: 0.9rem;
}
#footer-6 .footer-section-2 .s2-column-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--footer-s2-title-color, #ffffff);
  margin-bottom: 1rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--footer-s2-link-color, #17a2b8);
  display: inline-block;
}
#footer-6 .footer-section-2 .s2-links-list {
  list-style: none;
  padding-left: 0;
}
#footer-6 .footer-section-2 .s2-links-list li {
  margin-bottom: 0.5rem;
}
#footer-6 .footer-section-2 .s2-links-list a {
  color: var(--footer-s2-link-color, #17a2b8);
  text-decoration: none;
  transition: color 0.2s ease;
}
#footer-6 .footer-section-2 .s2-links-list a:hover,
#footer-6 .footer-section-2 .s2-links-list a.active {
  color: var(--footer-s2-link-hover-color, #138496);
  text-decoration: underline;
}
#footer-6 .footer-section-2 .s2-contact-details p,
#footer-6 .footer-section-2 .s2-contact-details a {
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  color: var(--footer-s2-text-color);
  opacity: 0.9;
  text-decoration: none;
}
#footer-6 .footer-section-2 .s2-contact-details i {
  width: 16px;
  margin-right: 0.5rem;
  color: var(--footer-s2-link-color, #17a2b8);
}
#footer-6 .footer-section-2 .s2-contact-details a:hover {
  color: var(--footer-s2-link-hover-color, #138496);
  opacity: 1;
}
#footer-6 .footer-section-3 {
  background-color: var(--footer-s3-bg-color, #212529);
  color: var(--footer-s3-text-color, #adb5bd);
  padding: 1.5rem 0;
  font-size: 0.8rem;
}
#footer-6 .footer-section-3 .copyright-text-s3 {
  margin-bottom: 0;
  text-align: center;
}
#footer-6 .footer-section-3 .social-icons-s3 {
  text-align: center;
}
#footer-6 .footer-section-3 .social-icons-s3 a {
  color: var(--footer-s3-social-icon-color, #adb5bd);
  margin: 0 0.6rem;
  font-size: 1.1rem;
  transition: color 0.2s ease;
}
#footer-6 .footer-section-3 .social-icons-s3 a:hover {
  color: var(--footer-s3-social-icon-hover-color, #ffffff);
}
@media (min-width: 768px) {
  #footer-6 .footer-section-1 .row > div {
    /* Align items vertically in section 1 */
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  #footer-6 .footer-section-3 .copyright-text-s3 {
    text-align: left;
  }
  #footer-6 .footer-section-3 .social-icons-s3 {
    text-align: right;
  }
}
@media (max-width: 991.98px) {
  /* lg breakpoint */
  #footer-6 .footer-section-1 .text-lg-start {
    text-align: center !important;
  }
  #footer-6 .footer-section-1 .align-items-lg-center {
    align-items: stretch !important; /* Let content determine height */
  }
}
@media (max-width: 767.98px) {
  #footer-6 .footer-column-s2 {
    /* For columns in section 2 */
    margin-bottom: 2rem;
  }
  #footer-6 .footer-section-3 .col-md-6 {
    /* Stack copyright and social */
    text-align: center !important;
    margin-bottom: 0.75rem;
  }
  #footer-6 .footer-section-3 .col-md-6:last-child {
    margin-bottom: 0;
  }
}