*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:Arial, sans-serif;
  background:#f8fafc;
  color:#1e293b;
  line-height:1.7;
}

/* Container */

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

/* Header */

header{
  background:#ffffff;
  padding:20px 0;
  border-bottom:1px solid #e2e8f0;
  position:sticky;
  top:0;
  z-index:1000;
}

.logo{
  font-size:28px;
  font-weight:bold;
  color:#2563eb;
}

nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  margin-top:15px;
}

nav ul li a{
  text-decoration:none;
  color:#334155;
  font-weight:500;
  transition:0.3s;
}

nav ul li a:hover{
  color:#2563eb;
}

/* Hero Section */

.hero{
  padding:90px 0;
  text-align:center;
  background:linear-gradient(to right,#eff6ff,#ffffff);
}

.hero h1{
  font-size:46px;
  margin-bottom:15px;
  color:#0f172a;
}

.hero p{
  color:#64748b;
  font-size:18px;
}

/* Main Content */

.content{
  padding:60px 0;
}

.content h2{
  margin-top:40px;
  margin-bottom:20px;
  color:#2563eb;
  font-size:30px;
}

.content p{
  margin-bottom:20px;
  color:#475569;
}

.content ul{
  margin-left:20px;
  margin-bottom:20px;
}

.content li{
  margin-bottom:12px;
  color:#475569;
}

/* Note Box */

.note{
  background:#eff6ff;
  padding:20px;
  border-left:5px solid #2563eb;
  margin:30px 0;
  border-radius:8px;
  color:#334155;
}

/* Cards */

.review-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:25px;
  margin-top:30px;
}

.card{
  background:#ffffff;
  padding:25px;
  border-radius:12px;
  border:1px solid #e2e8f0;
  box-shadow:0 4px 12px rgba(0,0,0,0.05);
  transition:0.3s;
}

.card:hover{
  transform:translateY(-6px);
}

.card h3{
  margin-bottom:15px;
  color:#2563eb;
}

.card p{
  color:#64748b;
}

/* Footer */

footer{
  background:#ffffff;
  padding:50px 0;
  margin-top:50px;
  border-top:1px solid #e2e8f0;
}

.footer-links{
  margin-bottom:30px;
}

.footer-links h3{
  margin-bottom:15px;
  color:#2563eb;
}

.footer-links a{
  display:block;
  color:#475569;
  text-decoration:none;
  margin-bottom:10px;
  transition:0.3s;
}

.footer-links a:hover{
  color:#2563eb;
}

.copyright{
  border-top:1px solid #e2e8f0;
  padding-top:20px;
}

.copyright h3{
  color:#2563eb;
  margin-bottom:15px;
}

.copyright p{
  color:#64748b;
  margin-bottom:10px;
}

/* Responsive */

@media(max-width:768px){

  .hero h1{
    font-size:32px;
  }

  nav ul{
    flex-direction:column;
    gap:12px;
  }

  .content h2{
    font-size:26px;
  }

}

.banner-image{
    width:100%;
    background:#fff;
    padding:20px 0;
}

.banner-image img{
    width:100%;
    max-width:1400px;
    display:block;
    margin:auto;
    border-radius:10px;
}