.header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    background:#0F3D2E;
    color:#fff;
    z-index:1000;
    transition:.3s ease;
}

.header.shrink{

    box-shadow:0 8px 25px rgba(0,0,0,.15);

}

.header-main{

    padding:20px 0;

    transition:.3s;

}

.header.shrink .header-main{

    padding:10px 0;

}

.brand img{

    width:60px;

    transition:.3s;

}

.header.shrink .brand img{

    width:45px;

}

.brand-text h1{

    font-size:28px;

    transition:.3s;

}

.header.shrink .brand-text h1{

    font-size:22px;

}

.brand-text p{

    transition:.3s;

}

.header.shrink .brand-text p{

    font-size:13px;

}

.topbar{

    transition:.3s;

}

.header.shrink .topbar{

    height:0;

    opacity:0;

    overflow:hidden;

    padding:0;

}

.container{
    width:min(1200px,92%);
    margin:auto;
}

.topbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:8px 0;
    font-size:12px;
    border-bottom:1px solid rgba(255,255,255,.15);
}

.header-main{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

.brand{
    display:flex;
    align-items:center;
    gap:16px;
    color:#fff;
    text-decoration:none;
}

.brand img{
    width:60px;
    height:60px;
    object-fit:contain;
}

.brand-text h1{
    font-size:28px;
    font-weight:700;
    margin-bottom:4px;
}

.brand-text p{
    font-size:15px;
    opacity:.9;
}

.menu-btn{
    width:48px;
    height:48px;
    border:none;
    border-radius:8px;
    background:#fff;
    color:#0F3D2E;
    font-size:28px;
    cursor:pointer;
    transition:.2s;
}

.menu-btn:hover{
    background:#f3f3f3;
}