/* KBVI Header — KTI-inspired layout */
.site-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
}

.utility-bar {
  background: #1a1a2e;
  height: 36px;
  display: flex;
  align-items: center;
}

.utility-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.utility-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-left,
.utility-right {
  display: flex;
  align-items: center;
}

.utility-portal {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0 0.9rem;
  height: 36px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.2s, background 0.2s;
}

.utility-portal:first-child {
  border-left: none;
}

.utility-portal i {
  font-size: 0.65rem;
  opacity: 0.7;
}

.utility-portal:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
}

.utility-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  padding: 0 0.9rem;
  height: 36px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.2s;
}

.utility-contact i {
  font-size: 0.65rem;
  color: var(--accent);
}

.utility-contact:hover {
  color: rgba(255, 255, 255, 0.9);
}

.main-nav {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.main-nav,
.nav-container,
.desktop-nav,
.nav-item.dropdown {
  overflow: visible;
}

.navbar--transparent .main-nav {
  background: transparent;
  box-shadow: none;
}

.navbar--transparent:not(.navbar--scrolled) .utility-bar {
  background: transparent;
}

.navbar--transparent .nav-link {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
}

.navbar--transparent .nav-link:hover,
.navbar--transparent .nav-link.active {
  color: #fff;
}

.navbar--transparent .nav-link::after {
  background: var(--accent);
}

.navbar--transparent .logo-name {
  color: #fff;
}

.navbar--transparent .logo-tag {
  color: rgba(255, 255, 255, 0.65);
}

.navbar--transparent .hamburger-line {
  background: #fff;
}

.navbar--transparent .nav-link.nav-cta {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}

.navbar--transparent .nav-link.nav-cta:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.navbar--scrolled .main-nav {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.navbar--scrolled .utility-bar {
  background: #1a1a2e;
}

.navbar--scrolled.navbar--transparent .nav-link {
  color: #374151;
}

.navbar--scrolled.navbar--transparent .nav-link:hover,
.navbar--scrolled.navbar--transparent .nav-link.active {
  color: var(--secondary);
}

.navbar--scrolled.navbar--transparent .logo-name {
  color: var(--secondary);
}

.navbar--scrolled.navbar--transparent .logo-tag {
  color: var(--primary);
}

.navbar--scrolled.navbar--transparent .hamburger-line {
  background: #1a1a2e;
}

.navbar--scrolled.navbar--transparent .nav-link.nav-cta {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-image {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
  font-size: 1.35rem;
  overflow: hidden;
}

.logo-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.logo-tag {
  font-family: 'Poppins', sans-serif;
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--primary);
  letter-spacing: 0.03em;
}

.desktop-nav {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  height: 80px;
}

.mobile-nav,
.mobile-nav-backdrop {
  display: none;
}

.nav-item {
  position: relative;
  height: 80px;
  display: flex;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.9rem;
  height: 80px;
  color: #374151;
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.3s ease;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.9rem;
  right: 0.9rem;
  height: 2px;
  background: var(--secondary);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--secondary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link i.fa-chevron-down {
  font-size: 0.6rem;
  transition: transform 0.22s;
}

.nav-item.dropdown:hover .nav-link i.fa-chevron-down {
  transform: rotate(180deg);
}

.nav-link i.fa-arrow-up-right-from-square {
  font-size: 0.6rem;
  opacity: 0.45;
}

.nav-link.nav-cta {
  background: var(--primary);
  color: #fff;
  padding: 0.5rem 1.2rem;
  height: auto;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: 0.5rem;
  border-radius: 4px;
  transition: background 0.2s;
}

.nav-link.nav-cta::after {
  display: none;
}

.nav-link.nav-cta:hover {
  background: var(--primary-dark);
  color: #fff;
}

.dropdown-menu {
  display: block;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #fff;
  min-width: 220px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  border-top: 2px solid var(--secondary);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 2000;
  list-style: none;
  padding: 6px 0;
  margin: 0;
  pointer-events: none;
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.dropdown:hover .dropdown-menu,
.nav-item.dropdown.dropdown-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav-item.dropdown.dropdown-open .nav-link i.fa-chevron-down {
  transform: rotate(180deg);
}

.dropdown-menu a {
  display: block;
  padding: 8px 16px;
  color: #4b5563;
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  border-left: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, padding-left 0.15s;
}

.dropdown-menu a.is-current,
.dropdown-menu a.is-current:hover {
  background: #f5f4ff;
  color: var(--secondary);
  border-left-color: var(--secondary);
  font-weight: 600;
}

.dropdown-menu a:hover {
  background: #f5f4ff;
  color: var(--secondary);
  border-left-color: var(--secondary);
  padding-left: 20px;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  width: 36px;
  height: 36px;
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background: #1a1a2e;
  border-radius: 2px;
  transition: all 0.25s ease;
  display: block;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .utility-right {
    display: none;
  }

  .utility-portal {
    font-size: 0.68rem;
    padding: 0 0.65rem;
  }

  .utility-container,
  .nav-container {
    padding: 0 1.25rem;
  }

  .mobile-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 116px;
    right: -100%;
    width: min(90vw, 380px);
    height: calc(100vh - 116px);
    background: #fff;
    overflow-y: auto;
    transition: right 0.28s ease;
    z-index: 1001;
    list-style: none;
    padding: 0.75rem 0 2.25rem;
    margin: 0;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.16);
    border-left: 1px solid #eceff4;
  }

  .mobile-nav.active {
    right: 0;
  }

  .mobile-nav-backdrop {
    display: block;
    position: fixed;
    top: 116px;
    left: 0;
    width: 100%;
    height: calc(100vh - 116px);
    background: rgba(15, 23, 42, 0.38);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.24s ease, visibility 0.24s ease;
    z-index: 1000;
  }

  .mobile-nav-backdrop.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav .nav-item {
    height: auto;
    display: block;
    border-bottom: 1px solid #f0f4f8;
  }

  .mobile-quick-links-wrap {
    display: block;
    padding: 0.3rem 1.1rem 0.95rem;
    border-bottom: 1px solid #eef0f4;
    margin-bottom: 0.25rem;
  }

  .mobile-quick-links-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #475569;
    margin-bottom: 0.55rem;
  }

  .mobile-quick-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .mobile-quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    text-decoration: none;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 0.55rem 0.35rem;
    color: #334155;
    background: #f8fafc;
    font-size: 0.74rem;
    font-weight: 600;
  }

  .mobile-quick-link i {
    font-size: 0.88rem;
    color: var(--secondary);
  }

  .mobile-quick-link--primary {
    background: var(--secondary);
    border-color: var(--secondary);
    color: #fff;
  }

  .mobile-quick-link--primary i {
    color: #fff;
  }

  .mobile-nav .nav-link {
    height: auto;
    padding: 0.9rem 1.1rem;
    font-size: 0.88rem;
    justify-content: space-between;
  }

  .mobile-nav .nav-link::after {
    display: none;
  }

  .mobile-nav .nav-link.nav-cta {
    margin: 1rem 1.1rem;
    width: calc(100% - 2.2rem);
    justify-content: center;
  }

  .mobile-dropdown-menu {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    background: #f8f9fb;
    border-left: 3px solid var(--secondary);
    margin-left: 1.1rem;
  }

  .mobile-dropdown.active .mobile-dropdown-menu {
    display: block;
  }

  .mobile-dropdown-toggle i.fa-chevron-down {
    transition: transform 0.22s ease;
  }

  .mobile-dropdown.active .mobile-dropdown-toggle i.fa-chevron-down {
    transform: rotate(180deg);
  }

  .mobile-dropdown-menu .nav-link {
    padding: 0.68rem 1rem;
    font-size: 0.82rem;
    color: #4b5563;
  }
}

@media (max-width: 480px) {
  .logo-wordmark {
    display: none;
  }

  .logo-image {
    width: 46px;
    height: 46px;
    font-size: 1.1rem;
  }

  .nav-container {
    height: 68px;
  }

  .mobile-nav,
  .mobile-nav-backdrop {
    top: 104px;
    height: calc(100vh - 104px);
  }
}