@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap');

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

body{
    background: #000;
}

body::before{
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    opacity: 0.5;
    background: url("images/hero-img.jpg");
    background-position: center;
}

nav{
    position: fixed;
    z-index: 1;
    padding: 25px 60px;
}

nav a img{
    width: 160px;
}

.form-wrapper{
    position: absolute;
    left: 50%;
    top: 50%;
    width: 430px;
    padding: 60px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.75);
    transform: translate(-50%, -50%);
}

.form-wrapper h2{
    color: #fff;
    font-size: 2rem;
}

.form-wrapper form{
    margin: 25px 0 65px;
}

form .form-control{
    position: relative;
    height: 50px;
    margin-bottom: 16px;
}

.form-control input{
    height: 100%;
    width: 100%;
    background: #333;
    outline: none;
    border: none;
    color: #fff;
    font-size: 1rem;
    border-radius: 4px;
    padding: 0 20px;
}

.form-control input:is(:focus,:valid){
    padding: 16px 20px 0;
    background: #444;

}

.form-control label{
    position: absolute;
    left: 20px;
    top: 50%;
    color: #8c8c8c;
    pointer-events: none;
    font-size: 1rem;
    transform: translateY(-50%);
    transition: all 0.1s ease;
}

.form-control input:is(:focus,:valid) ~ label{
    font-size: 0.75rem;
    transform: translateY(-130%);
}

form button{
    width: 100%;
    padding: 16px 0;
    font-size: 1rem;
    border: none;
    outline: none;
    color: #fff;
    cursor: pointer;
    font-weight: 500;
    border-radius: 4px;
    background: red;
    margin: 25px 0 10px;
    transition: 0.1s ease;
}

form button:hover{
    background: red;
}

form .form-help{
    display: flex;
    justify-content: space-between;
}

form .remember-me{
    display: flex;
}

form .remember-me input{
    margin-right: 5px;
    accent-color: #b3b3b3;
}

form .form-help :where(label,a){
    font-size: 0.9rem;
}
.form-wrapper :where(label, p, small, a){
    color: #b3b3b3;
}

.form-wrapper p a{
    color: #fff;
}

.form-wrapper small{
    display: block;
    margin-top: 15px;
}

.form-wrapper small a{
    color: blue;
}

.form-wrapper a{
    text-decoration: none;
}

.form-wrapper a:hover{
    text-decoration: underline;
}

/* Botão voltar */
.back-btn {
z-index: 1000;
position: fixed;
top: 90px;
left: 20px;
background: #38bdf8;
color: #0f172a;
padding: 10px 16px;
border-radius: 8px;
text-decoration: none;
font-weight: 600;
transition: all 0.3s ease;
box-shadow: 0 5px 15px rgba(56, 189, 248, 0.3);
}

/* Hover */
.back-btn:hover {
z-index: 1000;
background: #0ea5e9;
transform: translateY(-2px);
box-shadow: 0 8px 20px rgba(56, 189, 248, 0.5);
}

@media (max-width: 740px){
    body::before{
        display: none;
    }
    nav, .form-wrapper{
        padding: 20px;
    }
    nav a img{
        width: 140px;
    }
    .form-wrapper{
        top: 43%;
        width: 100%;
    }
    .form-wrapper{
        margin: 25px 0 40px;
    }

}