/* NAVIGATION */

nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--border-subtle);position:relative;z-index:100}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo img{height:var(--logo-height);width:auto}
.nav-left{display:flex;align-items:center;gap:24px}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{font-size:15.6px;color:var(--text-secondary);cursor:pointer;padding:8px 10px;display:flex;align-items:center;gap:4px;background:none;border:none;font-family:inherit;transition:color .2s}
.nav-link:hover,.nav-item:hover>.nav-link{color:var(--accent)}
.nav-link svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.nav-item:hover>.nav-link svg{transform:rotate(180deg)}
.nav-dd{position:absolute;top:calc(100% + 6px);left:0;min-width:240px;background:var(--bg-surface);border:1px solid var(--border-light);border-radius:12px;padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:all .2s;z-index:200;box-shadow:0 12px 40px rgba(0,0,0,.5)}
.nav-item:hover>.nav-dd{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dd-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;text-decoration:none;transition:background .15s;color:inherit}
.nav-dd-item:hover{background:var(--border-subtle)}
.nav-dd-ico{width:32px;height:32px;border-radius:8px;border:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav-dd-ico svg{width:16px;height:16px;stroke:var(--text-muted);fill:none;stroke-width:1.5}
.nav-dd-txt h4{font-size:13px;color:var(--text-primary);font-weight:500;margin-bottom:2px}
.nav-dd-txt p{font-size:11px;color:var(--text-secondary);line-height:1.4}
.nav-btn-signin{padding:8px 20px;border:1px solid var(--text-muted);border-radius:6px;color:var(--text-secondary);font-size:13.2px;background:transparent;cursor:pointer;font-family:inherit;letter-spacing:.5px;transition:all .2s;text-decoration:none;display:inline-block}
.nav-btn-signin:hover{border-color:var(--accent-border);color:var(--accent)}
.nav-btn-demo{padding:8px 20px;border:1px solid var(--accent);border-radius:6px;color:var(--text-primary);font-size:13.2px;background:var(--accent-bg);cursor:pointer;font-family:inherit;letter-spacing:.5px;transition:all .2s;text-decoration:none;display:inline-block;font-weight:500}
.nav-btn-demo:hover{background:var(--accent-hover);border-color:var(--accent)}

/* Hamburger — hidden on desktop */
.nav-hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;z-index:10000;position:relative;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--text-secondary);border-radius:2px;transition:all .3s}
.nav-hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger.active span:nth-child(2){opacity:0}
.nav-hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile overlay */
.nav-mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:9998;opacity:0;visibility:hidden;transition:all .3s;pointer-events:none}
.nav-mobile-overlay.open{opacity:1;visibility:visible;pointer-events:auto}

/* Mobile drawer */
.nav-mobile-drawer{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg-surface);border-left:1px solid var(--border-light);z-index:9999;display:flex;flex-direction:column;transition:right .3s ease;overflow-y:auto;box-shadow:-4px 0 20px rgba(0,0,0,.5)}
.nav-mobile-drawer.open{right:0!important}
.nav-mobile-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.nav-mobile-close{background:none;border:none;color:var(--text-secondary);font-size:28px;cursor:pointer;line-height:1;padding:0 4px}
.nav-mobile-links{flex:1;padding:16px 20px;display:flex;flex-direction:column;gap:4px}
.nav-mobile-label{font-size:9px;letter-spacing:2.5px;text-transform:uppercase;color:var(--text-muted);margin-top:14px;margin-bottom:4px;font-weight:600}
.nav-mobile-label:first-child{margin-top:0}
.nav-mobile-link{font-size:14px;color:var(--text-secondary);text-decoration:none;padding:10px 12px;border-radius:8px;transition:all .2s}
.nav-mobile-link:hover{background:rgba(255,255,255,.04);color:var(--text-primary)}
.nav-mobile-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:10px}

/* ── Mobile Nav Responsive ── */
@media(max-width:767px){
  nav{padding:clamp(12px,2.5vw,18px) 0}
  .nav-menu{display:none}
  .nav-right .nav-btn-signin,.nav-right .nav-btn-demo{display:none}
  .nav-hamburger{display:flex}
  .logo img{height:clamp(22px,4vw,28px)}
}