:root{
  --primary:#4facfe;
  --secondary:#00f2fe;
  --bg:#f5f7fb;
  --dark:#0f2027;
  --text:#2c3e50;
  --bot-bg:#d0e4ff;
  --bot-text:#0f2027;
}

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

body{
  background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  color:white;
}

/* HEADER */
header{
  padding:25px 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:rgba(0,0,0,0.2);
  border-bottom:1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  position:sticky;
  top:0;
  z-index:100;
  gap:20px;
}

.logo{
  font-size:22px;
  font-weight:bold;
}

nav{
  display:flex;
  gap:20px;
}

nav a.menu-item{
  text-decoration:none;
  color:white;
  padding:8px 15px;
  border-radius:8px;
  transition:0.3s;
  font-weight:500;
}

nav a.menu-item:hover{
  background:rgba(255,255,255,0.2);
}

/* HERO */
.hero{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:40px;
}

.hero h1{
  font-size:42px;
  margin-bottom:15px;
}

.hero p{
  opacity:.85;
  max-width:600px;
  margin:auto;
}

/* IMAGENS RESPONSIVAS */
img{
  max-width:100%;
  height:auto;
}

/* TABLET */
@media (max-width:1024px){
  .hero h1{
    font-size:36px;
  }
}

/* MOBILE */
@media(max-width:768px){

  header{
    flex-direction:column;
    gap:15px;
    text-align:center;
    padding:15px 20px;
  }

  nav{
    flex-wrap:wrap;
    justify-content:center;
  }

  nav a.menu-item{
    margin:5px;
    font-size:14px;
  }

  .hero{
    padding:30px 20px;
  }

  .hero h1{
    font-size:28px;
  }

  .hero p{
    font-size:15px;
    max-width:100%;
  }
}