*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

body{
    background:#070b23;
    color:#fff;
    overflow-x:hidden;
}

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

header{
    width:100%;
    position:fixed;
    top:0;
    left:0;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    background:rgba(0,0,0,.35);
    backdrop-filter:blur(12px);
    z-index:999;
}

.logo{
    font-size:34px;
    font-weight:700;
    color:#00f7ff;
    letter-spacing:2px;
}

nav{
    display:flex;
    align-items:center;
}

nav a{
    text-decoration:none;
    color:#fff;
    margin-left:25px;
    transition:.3s;
    font-size:15px;
}

nav a:hover{
    color:#00f7ff;
}

.login{
    border:2px solid #00f7ff;
    padding:10px 25px;
    border-radius:40px;
}

.register{
    background:#00f7ff;
    color:#000;
    padding:10px 25px;
    border-radius:40px;
    font-weight:600;
}

/* ================= HERO ================= */

.hero{
    width:100%;
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:0 20px;

    background:
    linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?q=80&w=1800");

    background-size:cover;
    background-position:center;
}

.hero h1{
    font-size:70px;
    margin-bottom:20px;
}

.hero p{
    font-size:22px;
    margin-bottom:40px;
}

.buttons{
    display:flex;
    justify-content:center;
    gap:20px;
}

.btn1,
.btn2{
    display:inline-block;
    padding:15px 40px;
    border-radius:50px;
    text-decoration:none;
    transition:.3s;
}

.btn1{
    background:#00f7ff;
    color:#000;
    font-weight:600;
}

.btn2{
    border:2px solid #fff;
    color:#fff;
}

.btn1:hover{
    background:#fff;
}

.btn2:hover{
    background:#fff;
    color:#000;
}

/* ================= TABLET ================= */

@media(max-width:768px){

header{
    padding:15px;
    flex-direction:column;
}

.logo{
    margin-bottom:15px;
    font-size:28px;
}

nav{
    flex-wrap:wrap;
    justify-content:center;
    gap:10px;
}

nav a{
    margin:0;
    font-size:14px;
}

.login,
.register{
    padding:8px 18px;
}

.hero{
    padding-top:180px;
    height:auto;
    min-height:100vh;
}

.hero h1{
    font-size:40px;
    line-height:1.3;
}

.hero p{
    font-size:17px;
    line-height:1.6;
}

.buttons{
    flex-direction:column;
    align-items:center;
}

.btn1,
.btn2{
    width:220px;
}

}

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

@media(max-width:480px){

header{
    padding:12px;
}

.logo{
    font-size:24px;
}

nav{
    gap:8px;
}

nav a{
    font-size:12px;
}

.hero{
    padding-top:170px;
}

.hero h1{
    font-size:32px;
}

.hero p{
    font-size:15px;
}

.btn1,
.btn2{
    width:100%;
    max-width:240px;
    padding:13px;
}

}