#header-7 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1050;
  transition: all 0.4s ease;
}
#header-7.scrolled {
  position: fixed;
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: background-color 0.3s ease;
}
#header-7 .navbar {
  padding: 0.75rem 1rem;
}
#header-7 .navbar-brand img {
  height: 40px;
}
#header-7 .navbar-nav .nav-link {
  color: #111211;
  font-weight: 500;
  padding: 0.5rem 1rem;
}
#header-7.scrolled .nav-link {
  color: #222;
}
#header-7 .nav-link.active,
#header-7 .nav-link:hover {
  color: #00b4d8;
}
#header-7 .cta-button {
  background-color: #00b4d8;
  color: #fff;
  border-radius: 30px;
  padding: 0.4rem 1.2rem;
  font-weight: 600;
  transition: all 0.3s;
}
#header-7 .cta-button:hover {
  background-color: #0096c7;
}
#header-7.scrolled .cta-button {
  background-color: #0077b6;
}
@media (max-width: 767.98px) {
  #header-7 .navbar-collapse {
    background-color: rgba(255, 255, 255, 0.95);
    text-align: center;
  }
  #header-7 .nav-link {
    color: #222 !important;
  }
  #header-7 .cta-button {
    margin-top: 0.5rem;
    width: 100%;
  }
}



#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-1 {
  background-color: var(--footer-bg-color, #f8f9fa);
  color: var(--footer-text-color, #212529);
  padding-top: var(--footer-padding-top, 4rem);
  padding-bottom: var(--footer-padding-bottom, 2rem);
  font-size: 0.9rem;
}
#footer-1 .footer-logo {
  max-height: 45px;
  margin-bottom: 1rem;
}
#footer-1 .footer-section {
  margin-bottom: 1.5rem; /* Ensure spacing on mobile */
}
#footer-1 .footer-section-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--footer-text-color);
}
#footer-1 .footer-brand-description {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--footer-text-color);
  opacity: 0.9;
}
#footer-1 .footer-links-list {
  list-style: none;
  padding-left: 0;
}
#footer-1 .footer-links-list li {
  margin-bottom: 0.5rem;
}
#footer-1 .footer-links-list a {
  color: var(--footer-link-color, #0d6efd);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}
#footer-1 .footer-links-list a:hover,
#footer-1 .footer-links-list a.active {
  color: var(--footer-link-hover-color, #0a58ca);
  text-decoration: underline;
}
#footer-1 .contact-info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
}
#footer-1 .contact-info-item i {
  width: 20px;
  margin-right: 0.5rem;
  color: var(--footer-link-color, #0d6efd);
  margin-top: 0.15em; /* Align icon slightly better */
}
#footer-1 .contact-info-item a {
  color: var(--footer-text-color);
  text-decoration: none;
}
#footer-1 .contact-info-item a:hover {
  color: var(--footer-link-color, #0d6efd);
}
#footer-1 .newsletter-form .form-control {
  border-radius: 0.25rem;
  font-size: 0.9rem;
}
#footer-1 .newsletter-form .btn {
  font-size: 0.9rem;
}
#footer-1 .partner-links-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.85rem;
}
#footer-1 .partner-links-list li {
  margin-bottom: 0.3rem;
}
#footer-1 .partner-links-list a {
  color: var(--footer-link-color, #0d6efd);
  text-decoration: none;
}
#footer-1 .partner-links-list a:hover {
  color: var(--footer-link-hover-color, #0a58ca);
  text-decoration: underline;
}
#footer-1 .footer-bottom-bar {
  padding-top: 1.5rem;
  margin-top: 1.5rem; /* Space above the bar */
  border-top: 1px solid
    var(--footer-bottom-bar-border-color, rgba(0, 0, 0, 0.1));
  background-color: var(--footer-bottom-bar-bg-color, #e9ecef);
  color: var(--footer-bottom-bar-text-color, #212529);
}
#footer-1 .footer-copyright-text {
  font-size: 0.8rem;
  margin-bottom: 0;
  text-align: center;
}
#footer-1 .footer-social-icons {
  text-align: center;
}
#footer-1 .footer-social-icons a {
  color: var(--footer-bottom-bar-text-color, #212529);
  margin: 0 0.5rem;
  font-size: 1.1rem;
  transition: color 0.2s ease-in-out;
}
#footer-1 .footer-social-icons a:hover {
  color: var(--footer-link-color, #0d6efd);
}
@media (min-width: 768px) {
  #footer-1 .footer-copyright-text {
    text-align: left;
  }
  #footer-1 .footer-social-icons {
    text-align: right;
  }
}
@media (max-width: 767.98px) {
  #footer-1 .footer-section {
    margin-bottom: 2rem; /* Increase bottom margin for stacked columns */
  }
  #footer-1 .footer-bottom-bar .col-md-6 {
    /* Stack copyright and social on mobile */
    text-align: center !important;
    margin-bottom: 0.75rem;
  }
  #footer-1 .footer-bottom-bar .col-md-6:last-child {
    margin-bottom: 0;
  }
}