body {
    margin:0;
    font-family: "Segoe UI", Arial, sans-serif;
    background:#f0f9ff;
    color:#0f172a;
    line-height:1.6;
}

header {
    background: linear-gradient(135deg,#0ea5e9,#0284c7);
    color:white;
    padding:28px 20px;
}

.header-flex {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}

.logo {
    height:60px;
    width:auto;
    background:white;
    border-radius:8px;
    padding:6px;
}

.container {
    max-width:1100px;
    margin:auto;
    padding:0 20px;
}

h1 {margin:0;font-size:34px;}
h2 {color:#0369a1;margin-top:0;}

nav {margin-top:14px;}
nav a {
    color:white;
    text-decoration:none;
    margin-right:18px;
    font-weight:600;
}

.section {
    padding:50px 0;
}

.card-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:22px;
}

.card {
    background:white;
    border-radius:14px;
    padding:24px;
    box-shadow:0 10px 26px rgba(0,0,0,0.07);
}

.btn {
    display:inline-block;
    background:#0ea5e9;
    color:white;
    padding:10px 16px;
    border-radius:8px;
    text-decoration:none;
    font-weight:600;
    margin-top:10px;
}

.btn:hover {
    background:#0284c7;
}

footer {
    background:#0f172a;
    color:#cbd5f1;
    padding:30px 20px;
    text-align:center;
    margin-top:60px;
}

.small {font-size:14px;color:#64748b;}