*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

body{
    background:#ffffff;
    color:#111;
    min-height:100vh;
    display:flex;
    flex-direction:column;
}

header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:28px 60px;
}

.logo{
    font-size:30px;
    font-weight:700;
    letter-spacing:-1px;
}

nav{
    display:flex;
    gap:28px;
}

nav a{
    color:#444;
    text-decoration:none;
    font-weight:500;
    transition:.25s;
}

nav a:hover{
    color:#000;
}

main{
    flex:1;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    padding:40px;
}

h1{
    font-size:54px;
    text-align:center;
    max-width:850px;
    line-height:1.2;
    margin-bottom:45px;
    font-weight:700;
}

input{
    width:750px;
    max-width:95%;
    padding:24px 30px;
    border-radius:22px;
    border:1px solid #ddd;
    font-size:20px;
    outline:none;
    transition:.25s;
}

input:focus{
    border-color:#000;
}

button{
    margin-top:30px;
    background:#111;
    color:white;
    border:none;
    padding:18px 42px;
    border-radius:18px;
    font-size:18px;
    cursor:pointer;
    transition:.25s;
}

button:hover{
    transform:translateY(-2px);
}

.subtitle{
    margin-top:45px;
    color:#666;
    font-size:20px;
}

footer{
    text-align:center;
    padding:40px;
    color:#888;
}