body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: #f4f8f7;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* HEADER */
header {
    background: #0f3d3e;
    color: white;
    padding: 15px 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

nav a:hover {
    color: #1BD0A0;
}

/* HERO */
.hero {
    background: linear-gradient(to right, #1BD0A0, #0f3d3e);
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

/* BUTTON */
.btn {
    display: inline-block;
    padding: 12px 25px;
    background: white;
    color: #0f3d3e;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    font-weight: 600;
}

.btn:hover {
    background: #e6e6e6;
}

/* SECTIONS */
section {
    padding: 60px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    font-weight: 500;
}

footer {
    background: #0f3d3e;
    color: white;
    text-align: center;
    padding: 20px 0;
}