@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins',sans-serif;
}

nav{
    background: #1b1b1b;
    width: 100%;
    padding: 10px 0;
    z-index: 12;
}

nav .menu{
    max-width: 100%;
    margin-left: 40px;
    margin-right: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.menu .logo a{
    text-decoration: none;
    color: #fff;
    font-size: 35px;
    font-weight: 600;

}

.menu ul{
    display: inline-flex;
}

.menu ul li{
    list-style: none;
    margin-left: 7px;
}

.menu ul li a{
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.menu ul li a:hover{
    background: #fff;
    color: #000;
}

.img{
    background: url(img/simple-website-bg-img.jpg) no-repeat;
    height: 100vh;
    width: 100%;
    background-size: cover;
    background-position: center;
    position: relative;

}

.img::before{
    content: "";
    position: absolute;
    height: 100vh;
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.center{
    position: absolute;
    top: 52%;
    left: 50%;
    width: 100%;
    transform: translate(-50%,-50%);
    padding: 0 20px;
    text-align: center;
}

.center .title{
    color: #fff;
    font-size: 55px;
    font-weight: 600;
}

.center .sub-title{
    color: #fff;
    font-size: 52px;
    font-weight: 600;
}

.center .btns{
    margin-top: 20px;
}

.center .btns button{
    height: 55px;
    width: 170px;
    border-radius: 5px;
    border: none;
    margin: 0 10px;
    border: 2px solid #fff;
    font-size: 20px;
    font-weight: 500;
    padding: 0 10px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.center .btns button:first-child{
    color: #fff;
    background: none;
}

.center .btns button:first-child:hover{
    background: #fff;
    color: #000;
}

/* Botão voltar */
.back-btn {
position: fixed;
top: 20px;
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 {
background: #0ea5e9;
transform: translateY(-2px);
box-shadow: 0 8px 20px rgba(56, 189, 248, 0.5);
}