#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;
  }
}



#link-section-2 {
  position: relative;
  padding: 6rem 0;
  color: var(--text-color);
  overflow: hidden;
  text-align: center;
}
#link-section-2::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--secondary-color);
  transform: rotate(-6deg);
}
#link-section-2 .container {
  position: relative;
  z-index: 1;
}
#link-section-2 .section-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
#link-section-2 .section-subtitle {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.85;
}
#link-section-2 .link-item {
  background: var(--primary-color);
  border: 2px solid var(--text-color);
  color: var(--text-color);
  border-radius: .5rem;
  padding: 1.25rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s, color .3s, transform .3s;
}
#link-section-2 .link-item:hover {
  background: var(--text-color);
  color: var(--primary-color);
  transform: translateY(-4px);
}
#link-section-2 .link-item i {
  margin-right: .5rem;
}





/* 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;
  }
}