#header-10 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%; /* chiếm toàn chiều ngang */
  height: 64px; /* hoặc auto tuỳ logo */
  background-color: #1a1a1a;
  color: #fff;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}
/* logo */
#header-10 .navbar-brand img {
  max-height: 48px;
  max-width: 140px;
  margin-bottom: 0; /* bỏ khoảng trống cũ */
}
/* thanh điều hướng ngang */
#header-10 nav {
  width: auto;
}
#header-10 .navbar-nav {
  flex-direction: row; /* xếp ngang */
  align-items: center;
  gap: 0.25rem;
  margin: 0;
}
#header-10 .nav-item {
  width: auto;
}
#header-10 .nav-link {
  color: #ccc;
  font-weight: 500;
  padding: 0.75rem 1rem;
  transition: all 0.3s;
}
#header-10 .nav-link.active,
#header-10 .nav-link:hover {
  color: #fff;
  background-color: #007bff;
  border-radius: 6px;
}
/* nút CTA nằm bên phải */
#header-10 .cta-button {
  margin-left: 1rem;
  background-color: #00b4d8;
  color: #fff;
  padding: 0.6rem 1.25rem;
  border-radius: 25px;
  font-weight: 600;
  transition: 0.3s ease;
}
#header-10 .cta-button:hover {
  background-color: #0096c7;
}
/* ===== Mobile (<= 991.98 px) ===== */
@media (max-width: 991.98px) {
  #header-10 {
    height: auto; /* cho phép header cao dần */
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
  }
  /* Ẩn menu, bật khi nhấn nút burger (tuỳ bạn thêm JS-toggle) */
  #header-10 nav {
    order: 3;
    width: 100%;
    display: none;
  }
  #header-10.active nav {
    display: block;
  }
  #header-10 .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
  }
  #header-10 .cta-button {
    margin: 0.5rem 0 0;
  }
}



#customer-support-11 {
  padding-top: 5rem;
  padding-bottom: 5rem;
  color: #ffffff;
  background: #007bff;
  overflow: hidden;
}
#customer-support-11 .section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
#customer-support-11 .section-title {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #ffffff;
}
#customer-support-11 .section-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}
#customer-support-11 .cta-card {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 2rem;
  border-radius: 0.5rem;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease;
}
#customer-support-11 .cta-card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}
#customer-support-11 .cta-icon i {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: #ffffff;
  opacity: 0.9;
}
#customer-support-11 .cta-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #ffffff;
}
#customer-support-11 .cta-text {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
#customer-support-11 .btn-cta {
  padding: 0.7rem 1.5rem;
  font-weight: 500;
  margin-top: auto;
  width: 80%;
  max-width: 250px;
  margin-left: auto;
  margin-right: auto;
}
#customer-support-11 .btn-cta.btn-light {
  color: #0056b3;
}
#customer-support-11 .btn-cta.btn-light:hover {
  background-color: #f8f9fa;
  color: #003d80;
}
@media (max-width: 991.98px) {
  #customer-support-11 .cta-title {
    font-size: 1.3rem;
  }
}
@media (max-width: 767.98px) {
  #customer-support-11 {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  #customer-support-11 .section-header {
    margin-bottom: 3rem;
  }
  #customer-support-11 .section-title {
    font-size: 2.1rem;
  }
  #customer-support-11 .section-subtitle {
    font-size: 1.1rem;
  }
  #customer-support-11 .cta-card {
    padding: 1.5rem;
  }
  #customer-support-11 .btn-cta {
    width: 90%;
  }
}



#useful-link-18 {
  background-color: #f4f7f6;
}
#useful-link-18 .profile-image-wrapper {
}
#useful-link-18 .profile-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
#useful-link-18 .section-title {
}
#useful-link-18 .section-description {
}
#useful-link-18 .link-buttons-stack {
}
#useful-link-18 .link-button {
  border: 1px solid #e0e0e0;
  padding: 0.9rem 1rem;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  text-align: center;
  background-color: #ffffff;
  color: #333;
}
#useful-link-18 .link-button:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  border-color: #ccc;
}
#useful-link-18 .link-icon {
  font-size: 1.1em;
  opacity: 0.8;
}
#useful-link-18 .link-title {
  flex-grow: 1;
  text-align: center;
}
#useful-link-18 .btn-highlight {
  background-color: #0d6efd;
  color: #fff;
  border-color: #0d6efd;
}
#useful-link-18 .btn-highlight:hover {
  background-color: #0b5ed7;
  border-color: #0a58ca;
}
#useful-link-18 .btn-social-ig {
  background: radial-gradient(
    circle at 30% 107%,
    #fdf497 0%,
    #fdf497 5%,
    #fd5949 45%,
    #d6249f 60%,
    #285aeb 90%
  );
  color: white;
  border: none;
}
#useful-link-18 .btn-social-ig:hover {
  opacity: 0.9;
}
#useful-link-18 .btn-social-yt {
  background-color: #ff0000;
  color: white;
  border: none;
}
#useful-link-18 .btn-social-yt:hover {
  background-color: #cc0000;
}



/* Footer-2 Fully Revised Styles */
#footer-2 {
  background-color: var(--footer-bg-color, #343a40);
  color: var(--footer-text-color, #f8f9fa);
  padding: 3.5rem 0 2.5rem 0; /* Added bottom padding */
  font-size: 0.9rem;
}
#footer-2 .footer-logo {
  max-height: 50px;
  margin-bottom: 1rem;
  /* If logo is dark and needs to be light on dark BG */
  /* filter: brightness(0) invert(1) opacity(0.9);*/
}
#footer-2 .brand-column-text {
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}
#footer-2 .social-icons-inline a {
  color: var(--footer-text-color, #f8f9fa);
  margin-right: 1rem;
  font-size: 1.3rem;
  opacity: 0.7;
  transition: opacity 0.2s ease-in-out, color 0.2s ease-in-out;
}
#footer-2 .social-icons-inline a:last-child {
  margin-right: 0;
}
#footer-2 .social-icons-inline a:hover {
  opacity: 1;
  color: var(--footer-link-color, #17a2b8);
}
#footer-2 .footer-column-title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--footer-title-color, #ffffff);
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--footer-link-color, #17a2b8);
  display: inline-block; /* To make border only as wide as text */
}
#footer-2 .footer-navigation-list {
  list-style: none;
  padding-left: 0;
}
#footer-2 .footer-navigation-list li {
  margin-bottom: 0.6rem;
}
#footer-2 .footer-navigation-list a {
  color: var(--footer-link-color, #17a2b8);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
#footer-2 .footer-navigation-list a:hover,
#footer-2 .footer-navigation-list a.active {
  color: var(--footer-link-hover-color, #138496);
  padding-left: 5px;
}
#footer-2 .contact-details-list p,
#footer-2 .contact-details-list a {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--footer-text-color, #f8f9fa);
  opacity: 0.9;
  text-decoration: none;
}
#footer-2 .contact-details-list i {
  width: 18px;
  margin-right: 8px;
  color: var(--footer-link-color, #17a2b8);
}
#footer-2 .contact-details-list a:hover {
  color: var(--footer-link-hover-color, #138496);
  opacity: 1;
}
#footer-2 .footer-copyright-section {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1); /* Separator for copyright */
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.7;
}
#footer-2 .footer-copyright-section p {
  margin-bottom: 0;
}
/* Responsive */
@media (max-width: 767.98px) {
  #footer-2 .footer-column {
    margin-bottom: 2rem;
  }
  #footer-2 .footer-logo,
  #footer-2 .social-icons-inline {
    display: block;
    text-align: center; /* Center logo and social icons on mobile */
  }
  #footer-2 .social-icons-inline a {
    margin: 0 0.5rem; /* Adjust spacing for centered icons */
  }
  #footer-2 .brand-column-text {
    text-align: center;
  }
}