/* =========================
   NAVBAR (MAIN)
   ========================= */

#mainNav {
  position: fixed !important;
  inset: 0 0 auto 0;
  width: 100% !important;
  margin: 0 !important;
  padding: 25px 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  z-index: 9999 !important;
  box-sizing: border-box !important;
  transform: scaleY(1) !important;
  transform-origin: top !important;
  transition: all 0.4s ease !important;
}

#mainNav .navbar-nav {
  gap: 15px;
}

/* Container-fluid spacing (desktop) */

#mainNav .container-fluid {
  padding-left: clamp(16px, 13vw, 1000px) !important;
  padding-right: clamp(16px, 25vw, 1000px) !important;
}

#mainNav.navbar-shrink {
  padding-top: 10px !important;
  padding-bottom: 20px !important;
  background: linear-gradient( to right, rgba(0,0,0,0.2), rgba(10,10,30,0.75) ) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5) !important;
  transform: scaleY(0.95) !important;
  position: relative;
}

/* Glass edge line */

#mainNav.navbar-shrink::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient( to right, rgba(255,255,255,0.05), rgba(255,255,255,0.4), rgba(255,255,255,0.05) );
  pointer-events: none;
}

/* =========================
   BRAND
   ========================= */

#mainNav .navbar-brand {
  font-size: 3rem !important;
  letter-spacing: 3px;
  color: #ffd700 !important;
  text-shadow: 0 0 4px rgba(255,255,255,0.4);
  transition: all 0.4s ease !important;
}

#mainNav.navbar-shrink .navbar-brand {
  font-size: 1.7rem !important;
  text-shadow: 0 0 8px rgba(255,215,0,0.6);
}

/* =========================
   NAV LINKS + UNDERLINE GLOW
   ========================= */

#mainNav .nav-link {
  white-space: nowrap;
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.85) !important;
  transition: color 0.25s ease, text-shadow 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
}

#mainNav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient( to right, rgba(255,215,0,0), rgba(255,215,0,0.95), rgba(255,215,0,0) );
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: center;
  filter: drop-shadow(0 0 6px rgba(255,215,0,0.65));
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Hover / Active */

#mainNav .nav-link:hover, #mainNav .nav-link.active, #mainNav .nav-link[aria-current="page"] {
  color: #ffd700 !important;
  text-shadow: 0 0 6px rgba(255,215,0,0.6);
  transform: translateY(-1px);
}

#mainNav .nav-link:hover::after, #mainNav .nav-link.active::after, #mainNav .nav-link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

/* =========================
   MOBILE
   ========================= */

@media (max-width: 991.98px) {
  #mainNav {
    padding: 12px 0 !important;
  }
}

@media (max-width: 991.98px) {
  #mainNav .container-fluid {
    padding-left: 40px !important;
    padding-right: 12px !important;
  }
}

@media (max-width: 991.98px) {
  #mainNav .navbar-brand {
    font-size: 2rem !important;
    letter-spacing: 2px;
  }
}

/* Avoid weird hover on touch */

@media (max-width: 991.98px) {
  #mainNav .nav-link:hover {
    transform: none !important;
  }
}

@media (max-width: 991.98px) {
  #mainNav .nav-link {
    font-size: 1rem;
    padding-bottom: 8px;
  }
}