/* ===========================
   ADIGUNA ID DESIGN SYSTEM
=========================== */

:root{
    --primary:#111827;
    --secondary:#2563eb;
    --background:#f8fafc;
    --surface:#ffffff;
    --text:#1f2937;
    --border:#e5e7eb;

    --radius:10px;

    --container:1200px;

    --shadow:0 8px 30px rgba(0,0,0,.08);
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:Arial,Helvetica,sans-serif;
    background:var(--background);
    color:var(--text);
    line-height:1.7;
}

.container{
    width:90%;
    max-width:var(--container);
    margin:auto;
}

header{
    background:var(--surface);
    border-bottom:1px solid var(--border);
}

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

nav ul{
    display:flex;
    list-style:none;
    gap:24px;
}

nav a{
    text-decoration:none;
    color:var(--text);
    font-weight:600;
}

section{
    padding:80px 0;
}

footer{
    text-align:center;
    padding:40px 0;
    border-top:1px solid var(--border);
}
.hero{
    min-height:80vh;

    display:flex;

    align-items:center;

    justify-content:center;

    text-align:center;
}

.hero h1{

    font-size:56px;

    margin-bottom:20px;

}

.hero p{

    font-size:20px;

    max-width:700px;

    margin:auto;

    margin-bottom:40px;

}

.btn{

    display:inline-block;

    background:var(--secondary);

    color:white;

    padding:14px 28px;

    border-radius:var(--radius);

    text-decoration:none;

    font-weight:bold;

}

.btn:hover{

    opacity:.9;

}
@media (max-width: 768px){

    nav{
        flex-direction:column;
        gap:15px;
    }

    nav ul{
        flex-wrap:wrap;
        justify-content:center;
        gap:15px;
    }

    .hero{
        min-height:70vh;
        padding:40px 0;
    }

    .hero h1{
        font-size:40px;
    }

    .hero p{
        font-size:18px;
    }

    section{
        padding:60px 0;
    }

}
.card-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}

.card{
    background:var(--surface);
    padding:30px;
    border:1px solid var(--border);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
}

.card h3{
    margin-bottom:12px;
}

@media (max-width:768px){

    .card-grid{
        grid-template-columns:1fr;
    }

}
.logo{
    color:var(--primary);
    text-decoration:none;
    font-size:22px;
    font-weight:700;
}