/* =========================================
   Color System & Variables
   ========================================= */
:root {
  --theme-bg-dark: #070a12;       /* Deep Black/Navy background */
  --theme-bg-translucent: rgba(7, 10, 18, 0.88);
  --theme-blue-primary: #1d63ed;
  --theme-blue-hover: #3b82f6;
  --theme-text-white: #ffffff;
  --theme-text-muted: #94a3b8;
  --theme-border-color: rgba(255, 255, 255, 0.1);
  --theme-border-grid: rgba(255, 255, 255, 0.15);
}

/* Prevent scrolling when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

/* =========================================
   Desktop Header Base
   ========================================= */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background: linear-gradient(180deg, var(--theme-bg-dark) 0%, var(--theme-bg-translucent) 70%, rgba(7, 10, 18, 0) 100%);
  padding: 1.2rem 2rem;
  box-sizing: border-box;
  transition: transform 0.35s ease, background-color 0.35s ease;
}

.main-nav.nav-hidden {
  transform: translateY(-100%);
}

.main-nav.nav-visible {
  transform: translateY(0);
}

.nav-container {
  max-width: 1350px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo Link Container */
.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

/* Image Logo Styling */
.logo-img {
  height: 45px; /* Adjust this to fit your header perfectly */
  width: auto;
  
  /* This turns ANY colored logo pure white */
  filter: brightness(0) invert(1);
  
  transition: opacity 0.2s ease;
}

.logo:hover .logo-img {
  opacity: 0.8; /* Optional: slight fade on hover to indicate it's a link */
}

/* Make logo a bit smaller on mobile */
@media (max-width: 992px) {
  .logo-img {
    height: 35px;
  }
}

/* Hide Mobile Elements on Desktop */
.mobile-menu-header,
.nav-toggle-open,
.mobile-menu-footer {
  display: none;
}

/* =========================================
   Desktop Navigation Links
   ========================================= */
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem;
}

.nav-link {
  color: var(--theme-text-white);
  text-decoration: none;
  font-family: verdana, Geneva, Tahoma, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.5rem 0;
  transition: color 0.25s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover {
  color: var(--theme-blue-hover);
}

.drop-icon {
  font-size: 0.65rem;
  transition: transform 0.25s ease;
}

/* Desktop Dropdowns */
.nav-dropdown {
  position: relative;
}

.nav-dropdown:hover .drop-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--theme-bg-dark);
  border-top: 3px solid var(--theme-blue-hover);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
  list-style: none;
  padding: 0.75rem 0;
  margin: 0;
  min-width: 250px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  border-radius: 0 0 8px 8px;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.65rem 1.25rem;
  text-decoration: none;
  transition: background 0.2s ease;
}

.dropdown-menu li a:hover {
  background-color: rgba(29, 99, 237, 0.15);
}

.dropdown-title {
  display: block;
  color: var(--theme-text-white);
  font-size: 0.85rem;
  font-weight: 600;
}

.dropdown-desc {
  display: block;
  color: var(--theme-text-muted);
  font-size: 0.75rem;
  margin-top: 0.2rem;
  line-height: 1.3;
  text-transform: none;
  letter-spacing: normal;
}

/* Desktop Contact Info */
.desktop-contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  border-left: 1px solid var(--theme-border-color);
  padding-left: 1.5rem;
  line-height: 1.3;
}

.contact-phone {
  color: var(--theme-blue-hover);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  letter-spacing: 0.5px;
}

.contact-email {
  color: var(--theme-text-muted);
  font-size: 0.75rem;
  text-decoration: none;
}

.contact-phone:hover,
.contact-email:hover {
  color: var(--theme-text-white);
}

/* =========================================
   Mobile / Tablet Responsive Styles
   ========================================= */
@media (max-width: 992px) {
  
  /* Hide Desktop specific elements */
  .desktop-contact-info {
    display: none;
  }

  /* Show Hamburger Trigger */
  .nav-toggle-open {
    display: block;
    background: none;
    border: none;
    color: var(--theme-text-white);
    font-size: 1.6rem;
    cursor: pointer;
  }

  /* Full Screen Slide Drawer */
  .nav-wrapper {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--theme-bg-dark);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    gap: 0;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99999;
    overflow-y: auto;
  }

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

  /* Mobile Top Bar (MENU + Boxed X) */
  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--theme-border-grid);
    height: 60px;
    padding-left: 1.5rem;
    background-color: var(--theme-bg-dark);
    position: sticky;
    top: 0;
    z-index: 2;
  }

  .mobile-menu-title {
    color: var(--theme-text-white);
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 600;
    text-transform: uppercase;
  }

  .nav-toggle-close {
    background: none;
    border: none;
    border-left: 1px solid var(--theme-border-grid);
    color: var(--theme-text-white);
    width: 60px;
    height: 100%;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .nav-toggle-close:hover {
    background-color: var(--theme-blue-primary);
  }

  /* Mobile Grid Links */
  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid var(--theme-border-grid);
  }

  .nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    font-size: 3rem;
    font-weight: 400;
    text-transform: none; /* Matches the Figma reference */
    letter-spacing: normal;
  }

  .nav-link:hover {
    color: var(--theme-blue-hover);
  }

  /* Mobile Dropdowns (Accordion Style) */
  .nav-dropdown:hover .dropdown-menu {
    display: none; /* Disable hover opening on mobile */
  }

  .nav-dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(255, 255, 255, 0.03);
    border-top: 1px solid var(--theme-border-grid);
    width: 100%;
    display: none;
    padding: 0.5rem 0;
    border-radius: 0;
  }

  .dropdown-menu li a {
    padding: 0.8rem 2rem;
    color: var(--theme-text-white);
  }

  .dropdown-desc {
    display: none; /* Hide descriptions on mobile to keep it clean */
  }

  /* Mobile Lower Links / Footer */
  .mobile-menu-footer {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2.5rem 1.5rem;
    background-color: var(--theme-bg-dark);
  }

  .footer-links-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }

  .sub-link-primary {
    color: var(--theme-blue-hover);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
  }

  .sub-link-secondary,
  .footer-links-group a {
    color: var(--theme-text-muted);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .footer-links-group a:hover {
    color: var(--theme-text-white);
  }
}