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

body{
  min-height: 100vh;
  background:
  linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
  url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e");
  background-size: cover;
  background-position: center;
  color: white;
}

/* NAVBAR */

nav{
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 8%;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  position: fixed;
  top: 0;
  left: 0;
}

.logo h3{
  font-size: 2rem;
  color: #fff;
}

.navigation-bar ul{
  display: flex;
  align-items: center;
  gap: 25px;
  list-style: none;
}

.navigation-bar ul li a{
  text-decoration: none;
  color: white;
  font-size: 1rem;
  transition: 0.3s;
}

.navigation-bar ul li a:hover{
  color: #00c2ff;
}

.login a{
  background: #00c2ff;
  padding: 10px 18px;
  border-radius: 8px;
  color: white;
}

/* HERO */

section{
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 8% 50px;
}

.container{
  max-width: 700px;
}

.container h1{
  font-size: 4rem;
  margin-bottom: 20px;
  line-height: 1.1;
}

.container p{
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

button{
  padding: 15px 28px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
  margin-right: 10px;
  margin-bottom: 10px;
}

.button-one{
  background: #00c2ff;
  color: white;
}

.button-one:hover{
  background: #0099cc;
}

.button-two{
  background: transparent;
  border: 2px solid white;
  color: white;
}

.button-two:hover{
  background: white;
  color: black;
}

a{
  text-decoration: none;
  color: white;
}

/* TABLETS */

@media(max-width: 900px){

  nav{
    padding: 20px 5%;
    flex-direction: column;
    gap: 15px;
  }

  .navigation-bar ul{
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .container h1{
    font-size: 3rem;
  }

}

/* CELULARES */

@media(max-width: 600px){

  nav{
    position: relative;
  }

  section{
    padding: 60px 20px;
    text-align: center;
    justify-content: center;
  }

  .container{
    max-width: 100%;
  }

  .container h1{
    font-size: 2.2rem;
  }

  .container p{
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .navigation-bar ul{
    flex-direction: column;
    gap: 12px;
  }

  button{
    width: 100%;
  }

}