/* General Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: #2c3e50;
    color: white;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    padding: 0 15px;
}

.nav-links a {
    color: white;
    text-decoration: none;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: #34495e;
    color: white;
}

.btn {
    padding: 10px 20px;
    background: #e74c3c;
    color: white;
    border: none;
    cursor: pointer;
    margin-top: 15px;
}

/* Responsive Grid */
.container {
    padding: 40px 5%;
}

.card-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr; /* Default: 1 column for Mobile */
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Media Queries */

/* Tablets (768px and up) */
@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns */
    }
}

/* Desktops (1024px and up) */
@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr); /* 3 columns */
    }
    
    .hero {
        padding: 100px 20px;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: #2c3e50;
    color: white;
}