*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

/* ===========================
   HEADER
=========================== */

.header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;

    background: rgba(7,7,15,.95);
    backdrop-filter: blur(10px);

    border-bottom: 1px solid rgba(255,255,255,.05);
}

.header .container{
    max-width: 1400px;
    margin: 0 auto;

    padding: 24px 30px;

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

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

.logo{

    display:flex;
    align-items:center;
    gap:18px;

    text-decoration:none;

    transition:.35s;

}

/* Круглая эмблема */

.logo-icon{

    width:58px;
    height:58px;

    border-radius:50%;

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

    font-size:22px;
    font-weight:800;
    letter-spacing:2px;

    color:#fff;

    background:linear-gradient(135deg,#8b5cf6,#5b21b6);

    box-shadow:
        0 0 15px rgba(139,92,246,.5),
        0 0 35px rgba(139,92,246,.35);

    transition:.35s;

}

/* Текст */

.logo-text{

    display:flex;
    flex-direction:column;

    line-height:1.1;

}

.logo-name{

    font-size:13px;

    text-transform:uppercase;

    letter-spacing:6px;

    color:#9ca3af;

    font-weight:500;

}

.logo-surname{

    margin-top:4px;

    font-size:31px;

    font-weight:800;

    text-transform:uppercase;

    color:#ffffff;

    letter-spacing:2px;

    transition:.35s;

}

/* Hover */

.logo:hover{

    transform:translateY(-2px);

}

.logo:hover .logo-icon{

    transform:rotate(-10deg) scale(1.08);

    box-shadow:
        0 0 25px rgba(168,85,247,.8),
        0 0 55px rgba(168,85,247,.45);

}

.logo:hover .logo-surname{

    color:#b26cff;

    text-shadow:
        0 0 10px rgba(178,108,255,.7),
        0 0 30px rgba(178,108,255,.4);

}

/* ===========================
   NAVIGATION
=========================== */

.nav{
    display:flex;
    align-items:center;
    gap:42px;
}

.nav a{

    position:relative;

    color:#d2d2d2;

    text-decoration:none;

    font-size:15px;

    text-transform:uppercase;

    letter-spacing:1px;

    transition:.3s;
}

.nav a:hover{

    color:#ffffff;

}

.nav a.active{

    color:#B15EFF;

}

.nav a.active::after{

    content:"";

    position:absolute;

    left:0;
    bottom:-12px;

    width:100%;
    height:3px;

    border-radius:10px;

    background:#A34DFF;

}

/* ===========================
   SOCIAL
=========================== */

.social{

    display:flex;

    align-items:center;

    gap:18px;

}

.social a{

    width:38px;
    height:38px;

    border-radius:50%;

    display:flex;

    align-items:center;

    justify-content:center;

    color:#fff;

    text-decoration:none;

    transition:.3s;

    font-size:18px;

}

.social a:hover{

    color:#B15EFF;

    transform:translateY(-3px);

}

/* ===========================
   MOBILE MENU BUTTON
=========================== */

.menu-btn{

    display:none;

    width:45px;
    height:45px;

    border:none;

    background:none;

    cursor:pointer;

}

.menu-btn span{

    display:block;

    width:30px;

    height:3px;

    margin:6px auto;

    background:#fff;

    transition:.3s;

}

/* ===========================
   RESPONSIVE
=========================== */

@media(max-width:1200px){

.nav{

    gap:25px;

}

.logo{

    font-size:28px;

}

}

@media(max-width:992px){

.nav{

    display:none;

}

.menu-btn{

    display:block;

}

.social{

    display:none;

}

}

@media(max-width:768px){

.header .container{

    padding:18px 20px;

}

.logo{

    font-size:24px;

    letter-spacing:5px;

}

}