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

body{
background:#0b1118;
color:white;
}

.hero{
position:relative;
height:100vh;
overflow:hidden;
}

.bg-video{
position:absolute;
width:100%;
height:100%;
object-fit:cover;
}

.overlay{
position:absolute;
inset:0;
background:rgba(0,0,0,0.6);
}

.hero-content{
position:relative;
z-index:2;
height:100%;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
padding:20px;
}

.hero h1{
font-size:56px;
max-width:900px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
max-width:700px;
color:#c5d3dc;
}

.buttons{
display:flex;
gap:20px;
margin-top:40px;
flex-wrap:wrap;
}

.btn{
padding:16px 32px;
border-radius:12px;
text-decoration:none;
font-weight:bold;
transition:0.3s;
}

.primary{
background:#11c5c6;
color:#081018;
}

.secondary{
border:1px solid #11c5c6;
color:#11c5c6;
}

.advantages,
.contact{
padding:100px 20px;
max-width:1200px;
margin:auto;
}

h2{
font-size:42px;
text-align:center;
margin-bottom:60px;
}

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

.card{
background:rgba(255,255,255,0.04);
border:1px solid rgba(17,197,198,0.2);
border-radius:20px;
padding:30px;
backdrop-filter:blur(10px);
}

.card h3{
margin-bottom:15px;
color:#11c5c6;
}

form{
display:flex;
flex-direction:column;
gap:20px;
max-width:600px;
margin:auto;
}

input,textarea{
background:#101820;
border:1px solid rgba(255,255,255,0.1);
border-radius:12px;
padding:16px;
color:white;
}

button{
background:#11c5c6;
border:none;
padding:18px;
border-radius:12px;
font-weight:bold;
cursor:pointer;
}

@media(max-width:768px){
.hero h1{
font-size:36px;
}

h2{
font-size:30px;
}
}
.footer{
  background:#070b10;
  border-top:1px solid rgba(17,197,198,0.2);
  padding:50px 20px 25px;
}

.footer-inner{
  max-width:1200px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:30px;
}

.footer h3{
  color:#11c5c6;
  font-size:26px;
  margin-bottom:12px;
}

.footer p{
  color:#c5d3dc;
  line-height:1.7;
}

.footer a{
  color:#11c5c6;
  text-decoration:none;
}

.footer-bottom{
  max-width:1200px;
  margin:35px auto 0;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,0.08);
  color:#6f7d86;
  font-size:14px;
}