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

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

/* Header & Navigation */
header {
    background: #ffffff;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo a {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

header nav {
    display: flex;
    gap: 20px;
}

header nav a {
    text-decoration: none;
    color: #555;
    font-weight: 600;
    transition: color 0.3s;
}

header nav a:hover {
    color: #28a745;
}

/* Main Layout & Product Cards */
main {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

h1, h2 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    background: #ffffff;
    border: 1px solid #e1e1e1;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 10px;
}

.product-card h3 {
    font-size: 18px;
    margin: 10px 0;
    color: #333;
}

.product-card p {
    font-size: 16px;
    color: #28a745;
    font-weight: bold;
    margin-bottom: 15px;
}

.product-card a {
    background: #28a745;
    color: white;
    padding: 8px 15px;
    text-decoration: none;
    border-radius: 4px;
    display: inline-block;
    font-weight: 600;
}

.product-card a:hover {
    background: #218838;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}