* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body { background: #f9f9f9; color: #333; }

nav {
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    background: white;
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

header { text-align: center; padding: 60px 20px; }

#product-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0 5%;
}

.product-card {
    background: white;
    padding: 15px;
    border-radius: 12px;
    transition: 0.3s;
    text-align: center;
}

.product-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

.product-card img { width: 100%; border-radius: 8px; margin-bottom: 15px; }

.add-btn {
    background: #000; color: #fff; border: none;
    padding: 10px 20px; border-radius: 5px; cursor: pointer;
    margin-top: 10px; width: 100%;
}

/* Modal Style */
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; }
.modal-content { 
    background: white; margin: 5% auto; padding: 20px; 
    width: 90%; max-width: 500px; border-radius: 10px; 
}