.topbar{
    position:sticky;
    top:0;
    z-index:1000;
    background:
      radial-gradient(circle at 50% 30%, rgba(2,132,14,.22) 0%, rgba(2,132,14,0) 24%),
      linear-gradient(180deg, rgba(7,12,10,.82) 0%, rgba(7,12,10,.72) 100%);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(255,255,255,.06);
    box-shadow:0 8px 24px rgba(0,0,0,.14);
}

.topbar-inner{
    max-width:1400px;
    margin:0 auto;
    padding:12px 12px;
    min-height:84px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    flex-wrap:nowrap;
}

.brand{
    display:flex;
    align-items:center;
    margin-right:8px;
    flex:0 0 auto;
}

.brand-logo{
    display:block;
    height:44px;
    width:auto;
    max-width:260px;
}

.nav{
    display:flex;
    align-items:center;
    gap:10px;
    flex-wrap:nowrap;
    white-space:nowrap;
    min-width:0;
    font-weight:900;
    flex:1 1 auto;
    justify-content:center;
}

.nav-link{
    position:relative;
    color:rgba(255,255,255,.92);
    background:transparent;
    border:0;
    padding:10px 8px;
    border-radius:10px;
    cursor:pointer;
    font:inherit;
    font-weight:900;
    display:inline-flex;
    align-items:center;
    gap:10px;
    line-height:1;
    transition:transform .18s ease, opacity .18s ease, background .18s ease;
}

.nav-link::after{
    content:"";
    position:absolute;
    left:8px;
    right:8px;
    bottom:2px;
    height:2px;
    background:#37ffaa;
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .2s ease;
}

.nav-link:hover{
    transform:translateY(-1px);
    opacity:1;
}

.nav-link:hover::after{
    transform:scaleX(1);
}

.nav-dropdown{
    position:relative;
}

.nav-dropdown::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    top:100%;
    height:16px;
}

.nav-dropdown-menu{
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    min-width:360px;
    display:none;
    padding:10px;
    border:1px solid rgba(255,255,255,.12);
    border-radius:18px;
    background:rgba(10,16,14,.98);
    box-shadow:0 24px 60px rgba(0,0,0,.45);
    z-index:1001;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu{
    display:grid;
    gap:6px;
}

.nav-dropdown-item{
    display:block;
    padding:12px 14px;
    border-radius:12px;
    color:rgba(255,255,255,.92);
    font-weight:800;
    line-height:1.35;
    text-decoration:none;
}

.nav-dropdown-item:hover{
    background:rgba(255,255,255,.06);
}

.nav-contact{
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:4px;
    min-width:220px;
    flex:0 0 auto;
}

.nav-contact__mail{
    display:inline-block;
    font-weight:900;
    font-size:13px;
    color:rgba(255,255,255,.90);
    line-height:1.2;
}

.nav-contact__tel{
    display:inline-block;
    font-weight:900;
    font-size:12.5px;
    color:rgba(255,255,255,.66);
    line-height:1.2;
}

.nav-contact__mail:hover,
.nav-contact__tel:hover{
    text-decoration:underline;
}

.burger{
    display:none;
    width:44px;
    height:44px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,.14);
    background:rgba(255,255,255,.06);
    cursor:pointer;
    position:relative;
    flex:0 0 auto;
}

.burger span{
    position:absolute;
    left:12px;
    right:12px;
    height:2px;
    background:rgba(255,255,255,.86);
    border-radius:999px;
    transition:transform .2s ease, top .2s ease, opacity .2s ease;
}

.burger span:nth-child(1){ top:14px; }
.burger span:nth-child(2){ top:21px; opacity:.85; }
.burger span:nth-child(3){ top:28px; }

.burger[aria-expanded="true"] span:nth-child(1){
    top:21px;
    transform:rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2){
    opacity:0;
}

.burger[aria-expanded="true"] span:nth-child(3){
    top:21px;
    transform:rotate(-45deg);
}

.mobile{
    display:none;
    position:fixed;
    left:14px;
    right:14px;
    top:74px;
    z-index:990;
    padding:14px;
    background:rgba(10,16,14,.96);
    border:1px solid rgba(255,255,255,.12);
    border-radius:18px;
    box-shadow:0 24px 60px rgba(0,0,0,.45);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:transform .18s ease, opacity .18s ease;
}

.mobile.is-open{
    display:block;
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
}

.mobile a{
    display:block;
    padding:12px 12px;
    border-radius:12px;
    font-weight:900;
    color:rgba(255,255,255,.90);
    text-decoration:none;
}

.mobile a:hover{
    background:rgba(255,255,255,.06);
}

.mobile-services{
    margin-top:6px;
}

.mobile-services summary{
    cursor:pointer;
    list-style:none;
    padding:12px 12px;
    border-radius:12px;
    font-weight:900;
    color:rgba(255,255,255,.90);
}

.mobile-services summary::-webkit-details-marker{
    display:none;
}

.mobile-services summary:hover{
    background:rgba(255,255,255,.06);
}

.mobile-service-links{
    display:grid;
    gap:6px;
    padding:6px 0 0 10px;
}

.mobile-service-links a{
    display:block;
    padding:10px 12px;
    border-radius:12px;
    color:rgba(255,255,255,.82);
}

.mobile-service-links a:hover{
    background:rgba(255,255,255,.06);
}

.mobile-contact{
    border-top:1px solid rgba(255,255,255,.10);
    margin-top:10px;
    padding-top:10px;
    display:grid;
    gap:8px;
}

html.nav-lock,
html.nav-lock body{
    overflow:hidden;
}

@media (max-width:980px){
    .nav,
    .nav-contact{
        display:none;
    }

    .burger{
        display:inline-block;
    }
}