/* Header #15 */
/* Announcement bar */
#header-15 .announcement {
  background: #0d6efd;
  color: #fff;
  text-align: center;
  font-size: 0.875rem;
  padding: 0.25rem 0;
}
#header-15 .announcement a {
  color: #fff;
  text-decoration: underline;
}
/* Header chính */
#header-15 {
  position: fixed;
  top: 0;
  width: 100%;
  transition: background 0.3s, box-shadow 0.3s;
  z-index: 999;
}
#header-15 .navbar {
  padding: 1rem 0;
}

#header-15 .navbar-brand img {
  max-height: 45px;
}

#header-15.transparent {
  background: transparent;
  box-shadow: none;
}
#header-15.solid {
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}
/* Nav link underline hover */
#header-15 .nav-link {
  position: relative;
  color: #333;
  transition: color 0.2s;
}
#header-15 .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: #0d6efd;
  transition: width 0.3s;
}
#header-15 .nav-link:hover::after,
#header-15 .nav-link.active::after {
  width: 100%;
}
/* CTA button */
#header-15 .btn-cta {
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
#header-15 .btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}
/* Đệm cho nội dung trang khi header cố định */
body {
  padding-top: calc((1rem * 2) + 2.5rem);
}



#link-section-5 {
  position: relative;
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

/* Sóng phía trên */
#link-section-5 .wave-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  transform: translateY(-1px);
}
#link-section-5 .wave-top svg {
  display: block;
  width: 100%;
  height: 80px;
}

/* Sóng phía dưới */
#link-section-5 .wave-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  transform: translateY(1px) rotate(180deg);
}
#link-section-5 .wave-bottom svg {
  display: block;
  width: 100%;
  height: 80px;
}

#link-section-5 .section-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
#link-section-5 .section-subtitle {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Container liên kết */
#link-section-5 .link-container {
  max-width: 1100px;
  margin: 0 auto;
}
#link-section-5 .link-item {
  background: rgba(255,255,255,0.2);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-decoration: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, transform 0.3s;
}
#link-section-5 .link-item:hover {
  background: rgba(255,255,255,0.35);
  transform: translateY(-4px);
}
#link-section-5 .link-item i {
  font-size: 1.25rem;
  margin-right: 0.5rem;
}





/* 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;
}