/* =====================================================
   NAV BASE · APPLE STYLE
===================================================== */

.nav-top{

position:fixed;
top:0;
left:0;

width:100%;
height:44px;

z-index:9999;

background:transparent;

backdrop-filter:blur(20px);
-webkit-backdrop-filter:blur(20px);

transition:
background .25s ease,
backdrop-filter .25s ease,
box-shadow .25s ease;

font-family:
-apple-system,
BlinkMacSystemFont,
"Segoe UI",
Roboto,
Helvetica,
Arial,
sans-serif;

}

/* SCROLL STATE */

.nav-top.scrolled{

background:rgba(255,255,255,.72);

backdrop-filter:blur(26px);
-webkit-backdrop-filter:blur(26px);

box-shadow:0 1px 0 rgba(0,0,0,.06);

}


/* =====================================================
   NAV INNER
===================================================== */

.nav-inner{

max-width:980px;
height:100%;

margin:0 auto;
padding:0 22px;

display:flex;
align-items:center;
justify-content:space-between;

}


/* =====================================================
   NAV ZONES
===================================================== */

.nav-left,
.nav-center,
.nav-right{

display:flex;
align-items:center;

}

.nav-left{
flex:1;
justify-content:flex-start;
}

.nav-center{
flex:1;
justify-content:center;
}

.nav-right{
flex:1;
justify-content:flex-end;
gap:14px;
}


/* =====================================================
   LOGO
===================================================== */

.nav-logo{
height:22px;
display:block;
}


/* =====================================================
   NAV LINKS
===================================================== */

.nav-links{

display:flex;
gap:32px;

list-style:none;
margin:0;
padding:0;

align-items:center;

}

.nav-links a{

font-size:12px;
font-weight:500;

letter-spacing:-0.01em;

color:#1d1d1f;

text-decoration:none;

transition:opacity .15s ease;

}

.nav-links a:hover{
opacity:.6;
}


/* =====================================================
   SEARCH BUTTON
===================================================== */

.nav-search-btn{

background:none;
border:none;

cursor:pointer;

padding:6px;

opacity:.8;

color:#1d1d1f;

transition:opacity .2s ease;

}

.nav-search-btn svg{
width:20px;
height:20px;
transform: translateY(1px)
}

.nav-search-btn:hover{
opacity:.5;
}


/* =====================================================
   LOGIN BUTTON STYLE
===================================================== */

.nav-user-trigger{

display:flex;
align-items:center;

gap:8px;

padding:6px 12px;

border-radius:16px;

border:none;
background:transparent;

cursor:pointer;

transition:
background .15s ease,
box-shadow .15s ease;

}

.nav-user-trigger:hover{
background:rgba(0,0,0,.05);
}

.nav-login-text{

font-size:12.5px;
font-weight:500;

color:#1d1d1f;

white-space:nowrap;

opacity:.9;

padding-right:6px;
margin-right:4px;

border-right:1px solid rgba(0,0,0,.1);

}


/* =====================================================
   USER BLOCK
===================================================== */

.nav-user{

position:relative;
display:inline-flex;
align-items:center;

}


/* =====================================================
   AVATAR
===================================================== */

.nav-avatar{

width:18px;
height:18px;

border-radius:50%;
object-fit:cover;

opacity:.9;

transition:
opacity .15s ease,
transform .15s ease;

}

.nav-avatar:hover{

opacity:1;
transform:scale(1.05);

}


/* =====================================================
   USER DROPDOWN
===================================================== */

.nav-user-menu{

position:absolute;

top:38px;
right:0;

min-width:190px;

background:rgba(255,255,255,.96);

backdrop-filter:blur(24px) saturate(180%);
-webkit-backdrop-filter:blur(24px) saturate(180%);

border-radius:14px;

border:1px solid rgba(0,0,0,.08);

padding:6px;

box-shadow:0 10px 28px rgba(0,0,0,.12);

opacity:0;
transform:translateY(-6px);

pointer-events:none;

transition:
opacity .18s ease,
transform .18s ease;

z-index:99999;

}

.nav-user-menu.open{

opacity:1;
transform:translateY(0);

pointer-events:auto;

}


/* =====================================================
   MENU ITEMS
===================================================== */

.nav-user-item{

display:flex;
align-items:center;

gap:10px;

width:100%;

padding:8px 12px;

font-size:13px;
font-weight:500;

color:#1d1d1f;

text-decoration:none;

border:none;
background:transparent;

cursor:pointer;

border-radius:8px;

transition:
background .15s ease,
color .15s ease;

}


/* =====================================================
   DIVIDER
===================================================== */

.nav-user-divider{

height:1px;
background:rgba(0,0,0,.06);

margin:4px 8px;

}


/* =====================================================
   LOGOUT
===================================================== */

.nav-user-logout{
color:#ff3b30;
}

.nav-user-logout:hover{
background:rgba(255,59,48,.08);
}


/* =====================================================
   HAMBURGER
===================================================== */

.nav-toggle{

display:none;

width:22px;
height:16px;

position:relative;

border:none;
background:none;

cursor:pointer;

}

.nav-toggle span{

position:absolute;
left:0;

width:100%;
height:2px;

background:#1d1d1f;

border-radius:2px;

transition:
transform .35s cubic-bezier(.4,0,.2,1),
opacity .25s ease;

}

.nav-toggle span:nth-child(1){top:0;}
.nav-toggle span:nth-child(2){bottom:0;}


/* =====================================================
   REMOVE NAV FOCUS
===================================================== */

.nav-top a,
.nav-top button{

outline:none;
box-shadow:none;

-webkit-tap-highlight-color:transparent;

}


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

@media (max-width:768px){

.nav-inner{
padding:0 1.2rem;
}

/* HAMBURGER */

.nav-toggle{
display:block;
z-index:10001;
}

/* MOBILE MENU */

.nav-links{

position:fixed;

top:0;
left:0;

width:100%;
height:100vh;

display:flex;
flex-direction:column;

align-items:flex-start;

padding-top:96px;
padding-left:32px;
padding-right:32px;

gap:34px;

background:#fff;

transform:translateY(-100%);

transition:transform .45s cubic-bezier(.4,0,.2,1);

z-index:10000;

}

/* OPEN */

.nav-links.open{
transform:translateY(0);
}

/* MENU ITEMS */

.nav-links li{
width:100%;
}

/* LINKS */

.nav-links a{

font-size:32px;
font-weight:600;

letter-spacing:-.02em;

color:#1d1d1f;

text-decoration:none;

transition:opacity .2s ease;

}

.nav-links a:active{
opacity:.6;
}

/* USER HIDDEN */

.nav-user{
display:none;
}

/* LOCK SCROLL */

body.nav-open{
overflow:hidden;
touch-action:none;
}

/* HAMBURGER → X */

.nav-toggle.active span:nth-child(1){
transform:translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2){
transform:translateY(-7px) rotate(-45deg);
}

.nav-login-mobile{
margin-top:10px;
padding-top:16px;
border-top:1px solid rgba(0,0,0,.08);
}

}