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

body{
  background:#f5fbff;
  color:#123;
}

.hero{
  background:
    linear-gradient(rgba(10,80,120,0.75), rgba(10,80,120,0.75)),
    url('https://images.unsplash.com/photo-1554224155-6726b3ff858f?q=80&w=1600&auto=format&fit=crop');
  background-size:cover;
  background-position:center;
  min-height:100vh;
  padding:30px 8%;
}

.navbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:80px;
}

.logo{
  display:flex;
  align-items:center;
  gap:15px;
  font-size:24px;
  font-weight:bold;
  color:#0b4f7d;
}

.logo-circle{
  width:55px;
  height:55px;
  border-radius:50%;
  background:#fff;
  color:#00AEEF;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:32px;
  font-weight:bold;
  box-shadow:0 4px 10px rgba(0,0,0,0.1);
}

.whatsapp-btn{
  text-decoration:none;
  background:#fff;
  color:#009FDF;
  padding:14px 22px;
  border-radius:12px;
  font-weight:bold;
  transition:0.3s;
}

.whatsapp-btn:hover{
  transform:translateY(-2px);
}

.hero-content{
  display:grid;
  grid-template-columns:1fr 380px;
  gap:50px;
  align-items:center;
}

.hero-text h1{
  font-size:58px;
  color:#ffffff;
  margin-bottom:25px;
}

.hero-text p{
  font-size:20px;
  line-height:1.8;
  margin-bottom:35px;
  color:#f3faff;
}

.hero-buttons{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}

.primary-btn,
.secondary-btn{
  text-decoration:none;
  padding:16px 28px;
  border-radius:12px;
  font-weight:bold;
  transition:0.3s;
}

.primary-btn{
  background:#00AEEF;
  color:white;
}

.secondary-btn{
  background:white;
  color:#00AEEF;
}

.hero-card{
  background:white;
  padding:35px;
  border-radius:22px;
  box-shadow:0 10px 30px rgba(0,0,0,0.1);
}

.hero-card h3{
  font-size:28px;
  margin-bottom:20px;
  color:#0098D8;
}

.hero-card ul{
  list-style:none;
}

.hero-card li{
  margin-bottom:16px;
  font-size:18px;
}

.services{
  padding:90px 8%;
  text-align:center;
}

.services h2,
.advantages h2,
.cta h2{
  font-size:42px;
  color:#0098D8;
  margin-bottom:18px;
}

.section-description{
  font-size:20px;
  margin-bottom:50px;
}

.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:30px;
}

.service-card{
  background:white;
  padding:35px;
  border-radius:24px;
  box-shadow:0 8px 25px rgba(0,0,0,0.08);
  text-align:left;
}

.service-card h3{
  font-size:28px;
  margin-bottom:18px;
  color:#00AEEF;
}

.service-card p{
  line-height:1.8;
  margin-bottom:25px;
}

.service-card a{
  text-decoration:none;
  background:#00AEEF;
  color:white;
  padding:14px 20px;
  border-radius:10px;
  display:inline-block;
  font-weight:bold;
}

.advantages{
  background:white;
  padding:90px 8%;
}

.advantages-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:25px;
  margin-top:45px;
}

.advantage-item{
  background:#f3fcff;
  padding:28px;
  border-radius:18px;
}

.advantage-item h4{
  color:#00AEEF;
  margin-bottom:14px;
  font-size:22px;
}

.advantage-item p{
  line-height:1.7;
}

.cta{
  padding:90px 8%;
  text-align:center;
  background:linear-gradient(135deg,#8edfff,#e8faff);
}

.cta p{
  margin:20px auto 35px;
  max-width:700px;
  font-size:20px;
}

.cta a{
  text-decoration:none;
  background:#00AEEF;
  color:white;
  padding:18px 32px;
  border-radius:14px;
  font-size:18px;
  font-weight:bold;
}

footer{
  background:#00AEEF;
  color:white;
  text-align:center;
  padding:22px;
}

@media(max-width:900px){
  .hero-content{
    grid-template-columns:1fr;
  }

  .navbar{
    flex-direction:column;
    gap:20px;
  }

  .hero-text h1{
    font-size:42px;
  }

  .services h2,
  .advantages h2,
  .cta h2{
    font-size:34px;
  }
}