:root{
    --primary:#0F78A8;
    --dark:#1f2937;
    --light:#f8fafc;
    --text:#333;
}

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

body{
    font-family:Arial, Helvetica, sans-serif;
    line-height:1.6;
    color:var(--text);
}

.container{
    width:min(1200px,92%);
    margin:auto;
}

.hero{
    background:linear-gradient(
        135deg,
        #0F78A8,
        #0b5f86
    );
    color:#fff;
    padding:90px 0;
    text-align:center;
}

.hero h1{
    font-size:clamp(2rem,4vw,3.6rem);
    margin-bottom:20px;
}

.subtitle{
    max-width:900px;
    margin:0 auto 35px;
    font-size:1.2rem;
}

.hero-buttons{
    display:flex;
    justify-content:center;
    gap:15px;
    flex-wrap:wrap;
}

.btn{
    display:inline-block;
    padding:14px 28px;
    border-radius:6px;
    text-decoration:none;
    font-weight:bold;
    transition:.3s;
}

.btn-primary{
    background:#fff;
    color:var(--primary);
}

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

.btn-secondary{
    background:transparent;
    color:#fff;
    border:2px solid #fff;
}

section{
    padding:70px 0;
}

h2{
    text-align:center;
    margin-bottom:35px;
    color:var(--dark);
}

.intro p{
    max-width:900px;
    margin:auto;
    text-align:center;
}

.product-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:#fff;
    border:1px solid #e5e7eb;
    border-top:4px solid var(--primary);
    padding:25px;
    border-radius:8px;
}

.card h3{
    margin-bottom:10px;
    color:var(--primary);
}

.advantages{
    background:#f7fafc;
}

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

.advantages-grid h3{
    color:var(--primary);
    margin-bottom:10px;
}

.cta{
    background:var(--primary);
    color:#fff;
    text-align:center;
}

.cta h2,
.cta p{
    color:#fff;
}

@media (max-width:768px){

    .hero{
        padding:60px 0;
    }

    section{
        padding:50px 0;
    }

}