/* ========== NAV ========== */
.nav{
    position:fixed;
    top:0;left:0;right:0;
    z-index:1000;
    background:var(--bg-glass);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border);
    transition:background .3s ease,transform .3s ease;
}
.nav-container{
    max-width:var(--max-w);
    margin:0 auto;
    padding:0 var(--pad);
    height:var(--nav-h);
    display:flex;
    align-items:center;
    justify-content:space-between;
}
.nav-logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-family:var(--font);
    font-size:20px;
    font-weight:600;
    color:var(--text);
    text-decoration:none;
}
.nav-logo svg{color:var(--primary)}
.nav-links{display:flex;gap:40px}
.nav-links a{
    font-size:14px;
    font-weight:500;
    color:var(--text-soft);
    text-decoration:none;
    transition:.2s;
}
.nav-links a:hover{color:var(--text)}

.nav-actions{display:flex;align-items:center;gap:16px}

/* Toggle de tema */
.theme-toggle{
    width:44px;height:44px;
    border-radius:12px;
    background:var(--bg-card);
    border:1px solid var(--border);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:.2s;
}
.theme-toggle:hover{
    border-color:var(--primary);
    transform:scale(1.05);
}
.theme-toggle svg{width:20px;height:20px;color:var(--text)}
.theme-toggle .icon-sun{display:none}
.theme-toggle .icon-moon{display:block}
[data-theme="light"] .theme-toggle .icon-sun{display:block}
[data-theme="light"] .theme-toggle .icon-moon{display:none}

.nav-cta{
    padding:10px 24px;
    font-size:14px;
    font-weight:600;
    color:var(--bg);
    background:var(--text);
    border:none;
    border-radius:10px;
    cursor:pointer;
    transition:.2s;
    font-family:var(--font);
}
.nav-cta:hover{
    transform:translateY(-2px);
    box-shadow:0 0 30px rgba(0,188,212,.2);
}
[data-theme="light"] .nav-cta{
    background:var(--primary);
    color:#fff;
}

/* ========== RESPONSIVE ========== */
@media(max-width:968px){
    .nav-links{
        display:none;
    }
}

@media(max-width:640px){
    .nav-container{
        height:64px;
        padding:0 20px;
    }
    
    .nav-logo{
        font-size:18px;
        gap:8px;
    }
    
    .nav-logo svg{
        width:22px;
        height:22px;
    }
    
    .nav-actions{
        gap:12px;
    }
    
    .theme-toggle{
        width:40px;
        height:40px;
    }
    
    .theme-toggle svg{
        width:18px;
        height:18px;
    }
    
    .nav-cta{
        padding:8px 20px;
        font-size:13px;
    }
}

@media(max-width:425px){
    .nav-container{
        height:60px;
    }
    
    .nav-logo{
        font-size:16px;
    }
    
    .nav-cta{
        padding:8px 16px;
        font-size:12px;
    }
}