:root{
  --green:#1faa3f;
  --dark:#101010;
  --light:#f5f5f5;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:Arial,sans-serif;
  background:#fff;
  color:#111;
  line-height:1.6;
}

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

.header{
  background:#fff;
  position:sticky;
  top:0;
  z-index:1000;
  border-bottom:1px solid #eee;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 0;
}

.nav h1{
  color:var(--green);
}

.nav nav a{
  margin-left:20px;
  text-decoration:none;
  color:#111;
  font-weight:bold;
}

.hero{
  padding:120px 0;
  background:linear-gradient(135deg,#111,#1faa3f);
  color:#fff;
}

.hero h2{
  font-size:56px;
  margin-bottom:20px;
}

.hero span{
  color:#7dff9d;
}

.btn{
  display:inline-block;
  margin-top:20px;
  background:var(--green);
  color:#fff;
  padding:14px 28px;
  border-radius:12px;
  text-decoration:none;
  border:none;
  cursor:pointer;
  font-weight:bold;
}

.services{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:25px;
  padding:80px 0;
}

.card{
  background:#fff;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 5px 20px rgba(0,0,0,0.08);
}

.card img{
  width:100%;
  height:220px;
  object-fit:cover;
}

.card h3,
.card p{
  padding:0 20px;
}

.card h3{
  margin-top:20px;
}

.card p{
  padding-bottom:20px;
}

.about{
  background:#f0f0f0;
  padding:80px 0;
  text-align:center;
}

.contact{
  padding:80px 0;
}

form{
  display:flex;
  flex-direction:column;
  gap:15px;
}

input, textarea{
  padding:15px;
  border-radius:10px;
  border:1px solid #ccc;
}

.whatsapp{
  position:fixed;
  right:20px;
  bottom:20px;
  background:#25D366;
  color:#fff;
  padding:15px 20px;
  border-radius:50px;
  text-decoration:none;
  font-weight:bold;
}

footer{
  background:#111;
  color:#fff;
  text-align:center;
  padding:30px 10px;
}

@media (prefers-color-scheme: dark){
  body{
    background:#0d0d0d;
    color:#fff;
  }

  .header{
    background:#111;
  }

  .nav nav a{
    color:#fff;
  }

  .card{
    background:#1a1a1a;
  }

  .about{
    background:#151515;
  }

  input, textarea{
    background:#1a1a1a;
    color:#fff;
    border:1px solid #333;
  }
}

@media(max-width:768px){
  .hero h2{
    font-size:38px;
  }

  .nav{
    flex-direction:column;
    gap:10px;
  }
}