/* ============================================================
   NAVBAR.CSS
   ============================================================ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:var(--z-navbar);
  padding:18px var(--container-px);display:flex;align-items:center;justify-content:space-between;
  transition:all .4s ease;backdrop-filter:blur(0px)}
.navbar.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 2px 20px rgba(6,78,59,.1);padding:12px var(--container-px)}
[data-theme="dark"] .navbar.scrolled{background:rgba(7,26,15,.92)}
.navbar-brand{
    display:flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
}
.brand-text{
    display:flex;
    flex-direction:column;
}
.brand-title{
    font-size:1.3rem;
    font-weight:700;
    color:white;
    transition:color .3s ease;
}
.brand-subtitle{
    font-size:.70rem;
    color:rgba(255,255,255,.7);
    letter-spacing:1px;
    margin-top:2px;
    transition:color .3s ease;
}
.navbar.scrolled .brand-title{color:var(--text-primary)}
.navbar.scrolled .brand-subtitle{color:var(--text-muted)}
.navbar-brand .brand-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--green-500),var(--green-600));
  border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:white;}
.navbar-nav{display:flex;align-items:center;gap:4px}
.nav-link{padding:8px 14px;border-radius:var(--radius-full);font-size:.875rem;font-weight:500;
  color:rgba(255,255,255,.9);transition:all .3s ease;white-space:nowrap}
.navbar.scrolled .nav-link{color:var(--text-secondary)}
.nav-link:hover,.nav-link.active{background:rgba(16,185,129,.15);color:var(--green-500)}
.navbar-actions{display:flex;align-items:center;gap:12px}
.dark-toggle{width:40px;height:40px;border-radius:var(--radius-full);
  background:rgba(255,255,255,.15);backdrop-filter:blur(10px);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  transition:all .3s ease;border:1px solid rgba(255,255,255,.2)}
.navbar.scrolled .dark-toggle{background:rgba(5,150,105,.1);color:var(--primary-light);
  border-color:rgba(5,150,105,.2)}
.dark-toggle:hover{background:rgba(16,185,129,.2);transform:rotate(20deg)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;
  transition:all .3s ease}
.navbar.scrolled .hamburger span{background:var(--text-primary)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
/* Mobile Menu */
.mobile-menu{position:fixed;top:0;left:0;right:0;bottom:0;z-index:calc(var(--z-navbar)-1);
  background:rgba(6,78,59,.97);backdrop-filter:blur(20px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  opacity:0;visibility:hidden;transition:all .4s ease}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu .nav-link{font-size:1.3rem;font-weight:600;padding:16px 40px;
  color:rgba(255,255,255,.85);letter-spacing:.02em;text-align:center}
.mobile-menu .nav-link:hover{color:var(--green-300);background:rgba(255,255,255,.05)}
@media(max-width:1100px){.navbar-nav{display:none}.hamburger{display:flex}}
@media(max-width:768px){.navbar{padding:14px 20px}}