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

body{
  font-family: Arial, sans-serif;
  background:#0f172a;
  color:white;
  line-height:1.6;
}

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

/* Header */
header{
  background:#111827;
  position:sticky;
  top:0;
  z-index:1000;
}

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

.logo{
  font-size:28px;
  font-weight:bold;
}

.logo span{
  color:#38bdf8;
}

.nav-links{
  display:flex;
  list-style:none;
  gap:30px;
}

.nav-links a{
  color:white;
  text-decoration:none;
  transition:0.3s;
}

.nav-links a:hover{
  color:#38bdf8;
}

.menu-toggle{
  display:none;
  background:none;
  border:none;
  color:white;
  font-size:28px;
  cursor:pointer;
}

/* Hero */
.hero{
  padding:100px 0;
  background:linear-gradient(to right,#0f172a,#1e293b);
}

.hero-content{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:center;
}

.hero-text h1{
  font-size:60px;
  line-height:1.1;
  margin-bottom:20px;
}

.tagline{
  color:#38bdf8;
  font-size:22px;
  margin-bottom:20px;
}

.hero-card{
  background:#1e293b;
  padding:40px;
  border-radius:20px;
  box-shadow:0 0 20px rgba(0,0,0,0.4);
}

.hero-card ul{
  margin-top:20px;
  list-style:none;
}

.hero-card li{
  margin-bottom:15px;
}

/* Button */
.btn{
  display:inline-block;
  margin-top:20px;
  background:#38bdf8;
  color:#000;
  padding:14px 30px;
  border-radius:50px;
  text-decoration:none;
  font-weight:bold;
  transition:0.3s;
}

.btn:hover{
  transform:translateY(-3px);
  background:white;
}

/* Sections */
.about,
.services,
.contact-section{
  padding:80px 0;
}

.about h2,
.services h2{
  text-align:center;
  margin-bottom:50px;
  font-size:40px;
}

.about-grid,
.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:30px;
}

.card{
  background:#1e293b;
  padding:30px;
  border-radius:20px;
  transition:0.3s;
}

.card:hover{
  transform:translateY(-10px);
}

.card h3{
  margin-bottom:15px;
  color:#38bdf8;
}

/* Banner */
.page-banner{
  padding:100px 0;
  text-align:center;
  background:#1e293b;
}

.page-banner h1{
  font-size:50px;
}

/* Contact */
.contact-form{
  max-width:700px;
  margin:auto;
  display:flex;
  flex-direction:column;
  gap:20px;
}

.contact-form input,
.contact-form textarea{
  padding:15px;
  border:none;
  border-radius:10px;
  font-size:16px;
}

.contact-form button{
  border:none;
  cursor:pointer;
}

/* Footer */
footer{
  background:#111827;
  text-align:center;
  padding:20px;
  margin-top:50px;
}

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

  .hero-content{
    grid-template-columns:1fr;
  }

  .hero-text h1{
    font-size:40px;
  }

  .nav-links{
    display:none;
    flex-direction:column;
    position:absolute;
    top:80px;
    right:20px;
    background:#1e293b;
    padding:20px;
    border-radius:10px;
  }

  .nav-links.active{
    display:flex;
  }

  .menu-toggle{
    display:block;
  }
}