:root {
--dark-green: #0f3d2e;
--light-bg: #f5f7f6;
--text-dark: #1a1a1a;
}


* {
box-sizing: border-box;
font-family: Arial, Helvetica, sans-serif;
}


body {
margin: 0;
background: var(--light-bg);
color: var(--text-dark);
}


a {
text-decoration: none;
color: inherit;
}


.container {
max-width: 1100px;
margin: auto;
padding: 40px 20px;
}


h1, h2 {
text-align: center;
margin-bottom: 30px;
}


.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
gap: 30px;
}


.card {
background: white;
border-radius: 14px;
padding: 50px 20px;
text-align: center;
box-shadow: 0 10px 25px rgba(0,0,0,0.08);
transition: transform 0.3s ease, box-shadow 0.3s ease;
cursor: pointer;
}


.card:hover {
transform: translateY(-6px);
box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}


.primary {
background: var(--dark-green);
color: white;
}


.back {
display: inline-block;
margin-bottom: 30px;
font-weight: bold;
}

.banner {
background: #111;
color: #fff;
text-align: center;
padding: 10px 20px;
font-size: 14px;
letter-spacing: 1px;
}

.since {
margin-top: 10px;
font-size: 14px;
opacity: 0.85;
}

.intro-text {
max-width: 700px;
margin: 0 auto 40px;
text-align: center;
line-height: 1.6;
}