* {
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background: #f2f7f2;
    color: #222;
}
.navbar {
    z-index: 100;
    background: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
}
.logo {
    font-size: 28px;
    font-weight: bold;
    color: #1b7d36;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    color: #1b7d36;
}

/* HERO */

.hero {
    text-align: center;
    padding: 30px 10px;
    background: linear-gradient(135deg, #dff5df, #ffffff);
}

.hero h1 {
    font-size: 42px;
    color: #176b2c;
}

.hero p {
    font-size: 18px;
    max-width: 600px;
    margin: auto;
    color: #555;
}