/* ============================================================
   IN HEALTH — navbar.css  v3  |  Ultra Glass + Fixed Dropdown
   ============================================================ */

/* ── GLASS NAVBAR ── */
#mainNav {
  height: 70px;
  background: rgba(255,255,255,0.55) !important;
  backdrop-filter: blur(28px) saturate(200%) brightness(1.05);
  -webkit-backdrop-filter: blur(28px) saturate(200%) brightness(1.05);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 2px 20px rgba(0,100,160,0.06), inset 0 1px 0 rgba(255,255,255,0.75);
  transition: background .4s, box-shadow .4s, border-color .4s;
  z-index: 1050;
}
#mainNav.scrolled {
  background: rgba(255,255,255,0.92) !important;
  box-shadow: 0 4px 36px rgba(0,100,160,0.12), inset 0 1px 0 rgba(255,255,255,0.95);
  border-bottom-color: rgba(0,153,204,0.18);
}

/* ── BRAND ── */
.navbar-brand { text-decoration: none; display: flex; align-items: center; gap: 10px; }
.navbar-brand img { height: 36px; transition: transform .35s cubic-bezier(.34,1.56,.64,1); filter: drop-shadow(0 2px 6px rgba(0,153,204,.2)); }
.navbar-brand:hover img { transform: scale(1.08) rotate(-3deg); }
.brand-name { font-family: var(--fd); font-size: 1.1rem; font-weight: 800; color: var(--cyan); letter-spacing: .05em; transition: letter-spacing .3s, text-shadow .3s; }
.navbar-brand:hover .brand-name { letter-spacing: .1em; text-shadow: 0 0 20px rgba(0,153,204,.35); }

/* ── NAV LINKS ── */
.nav-link {
  font-size: .82rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .04em; color: var(--muted) !important;
  position: relative; padding: .45rem .7rem !important;
  transition: color .25s; white-space: nowrap;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -1px; left: 50%; right: 50%;
  height: 2px; background: linear-gradient(90deg, var(--cyan), var(--cyan-light));
  border-radius: 2px;
  transition: left .25s cubic-bezier(.4,0,.2,1), right .25s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover, .nav-link.active { color: var(--cyan) !important; }
.nav-link:hover::after, .nav-link.active::after { left: .7rem; right: .7rem; }

/* CTA Button */
.nav-link.btn-nav {
  background: var(--cyan) !important; color: #fff !important;
  border-radius: 8px; padding: .44rem 1.2rem !important; font-weight: 700 !important;
  box-shadow: 0 3px 14px rgba(0,153,204,.28); transition: transform .2s, box-shadow .2s, background .2s !important;
}
.nav-link.btn-nav::after { display: none; }
.nav-link.btn-nav:hover { background: #007daa !important; transform: translateY(-2px); box-shadow: 0 7px 22px rgba(0,153,204,.42) !important; color: #fff !important; }

/* ── LANG TOGGLE ── */
.lang-toggle { display: flex; border: 1px solid rgba(0,153,204,.28); border-radius: 8px; overflow: hidden; background: rgba(255,255,255,.5); backdrop-filter: blur(8px); }
.lang-btn { background: none; border: none; padding: .28rem .72rem; font-size: .73rem; font-weight: 700; cursor: pointer; letter-spacing: .05em; color: var(--muted); transition: background .2s, color .2s; font-family: var(--fb); }
.lang-btn.active { background: var(--cyan); color: #fff; }
.lang-btn:not(.active):hover { background: var(--cyan-pale); color: var(--cyan); }

/* ── BURGER ── */
.navbar-toggler {
  width: 40px; height: 40px; padding: 0; border: 1px solid rgba(0,153,204,.25) !important;
  border-radius: 10px !important; background: rgba(255,255,255,.6) !important;
  backdrop-filter: blur(8px); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.navbar-toggler:hover { border-color: var(--cyan) !important; background: rgba(224,244,255,.7) !important; }
.burger-line { display: block; width: 18px; height: 2px; background: var(--cyan); border-radius: 2px; transition: transform .32s cubic-bezier(.4,0,.2,1), opacity .2s; }
.navbar-toggler.open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggler.open .burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar-toggler.open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── DROPDOWN ── */
.nav-dropdown { position: relative; }

/* Invisible bridge so mouse can move from link to menu */
.nav-dropdown::after {
  content: ''; position: absolute; top: 100%; left: -20px; right: -20px;
  height: 18px; background: transparent;
}

.nav-dropdown-menu {
  position: absolute; top: calc(100% + 14px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 340px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.7);
  border-top: 2px solid var(--cyan);
  border-radius: 0 0 18px 18px;
  box-shadow: 0 20px 60px rgba(0,100,160,0.16), inset 0 1px 0 rgba(255,255,255,.9);
  padding: .6rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: .3rem;
  opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity .25s, transform .25s cubic-bezier(.4,0,.2,1), visibility .25s;
  z-index: 500;
}

/* Open on hover — with JS class too for reliability */
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.dd-open .nav-dropdown-menu {
  opacity: 1; pointer-events: all; visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Dropdown arrow */
.dd-arrow {
  position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 8px solid transparent; border-right: 8px solid transparent;
  border-bottom: 8px solid var(--cyan);
}

/* Dropdown items */
.nav-dd-item {
  display: flex; align-items: flex-start; gap: .65rem; padding: .75rem .8rem;
  border-radius: 10px; text-decoration: none;
  transition: background .18s, transform .18s;
  border: 1px solid transparent;
  position: relative; overflow: hidden;
}
.nav-dd-item::before {
  content: ''; position: absolute; inset: 0; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,191,255,.06), transparent);
  opacity: 0; transition: opacity .2s;
}
.nav-dd-item:hover { background: rgba(240,250,254,.95); border-color: rgba(0,153,204,.15); transform: translateX(3px); }
.nav-dd-item:hover::before { opacity: 1; }

/* Current page highlight */
.nav-dd-item.current { background: rgba(240,250,254,.9); border-color: rgba(0,153,204,.2); }
.nav-dd-item.current .nav-dd-title { color: var(--cyan) !important; }
.nav-dd-item.current::after { content: ''; position: absolute; left: 0; top: 20%; bottom: 20%; width: 3px; background: var(--cyan); border-radius: 0 2px 2px 0; }

.nav-dd-icon { width: 34px; height: 34px; border-radius: 9px; background: var(--cyan-pale); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; border: 1px solid rgba(0,153,204,.15); transition: transform .2s cubic-bezier(.34,1.56,.64,1), background .2s; }
.nav-dd-item:hover .nav-dd-icon { transform: scale(1.12) rotate(-5deg); background: rgba(0,153,204,.18); }
.nav-dd-title { font-size: .8rem; font-weight: 700; color: var(--dark); line-height: 1.25; transition: color .15s; }
.nav-dd-sub   { font-size: .68rem; color: var(--muted); margin-top: .1rem; }

/* ── MOBILE GLASS PANEL ── */
.navbar-collapse.show,
.navbar-collapse.collapsing {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0,153,204,.1); border-radius: 0 0 16px 16px;
  padding: .8rem 0; box-shadow: 0 16px 48px rgba(0,100,160,.12);
  margin: 0 -1rem;
}