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

body{
font-family:'Montserrat',sans-serif;
background:#09111f;
color:white;
}

.hero{
min-height:100vh;
background:linear-gradient(135deg,#09111f,#111827);
}

.overlay{
padding:30px 7%;
}

nav{
display:flex;
justify-content:space-between;
align-items:center;
margin-bottom:60px;
}

.logo{
font-size:32px;
font-weight:800;
}

.call-btn{
background:#dc2626;
padding:14px 22px;
border-radius:10px;
text-decoration:none;
color:white;
font-weight:700;
}

.hero-content{
display:flex;
align-items:center;
justify-content:space-between;
gap:60px;
}

.hero-text h1{
font-size:60px;
margin-bottom:25px;
line-height:1.1;
}

.hero-text p{
font-size:22px;
margin-bottom:30px;
color:#cbd5e1;
}

.buttons{
display:flex;
gap:15px;
flex-wrap:wrap;
}

.primary,.secondary{
padding:16px 24px;
border-radius:12px;
text-decoration:none;
color:white;
font-weight:700;
}

.primary{
background:#dc2626;
}

.secondary{
background:#2563eb;
}

.hero-image img{
width:100%;
max-width:600px;
border-radius:20px;
}

section{
padding:90px 7%;
}

h2{
font-size:42px;
text-align:center;
margin-bottom:50px;
}

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

.card,.review{
background:#111827;
padding:35px;
border-radius:18px;
text-align:center;
font-size:20px;
}

.calculator{
background:linear-gradient(135deg,#1e3a8a,#b91c1c);
}

.calc-box{
max-width:700px;
margin:auto;
background:rgba(0,0,0,0.25);
padding:40px;
border-radius:24px;
}

form{
display:flex;
flex-direction:column;
gap:18px;
}

input,button{
padding:18px;
border:none;
border-radius:12px;
font-size:16px;
}

button{
background:white;
font-weight:800;
cursor:pointer;
}

footer{
background:#020617;
padding:40px;
text-align:center;
}

footer h3{
font-size:30px;
margin-bottom:15px;
}

@media(max-width:900px){
.hero-content{
flex-direction:column;
text-align:center;
}

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

nav{
flex-direction:column;
gap:20px;
}
}