:root {
    --primary: #2563eb;
    --dark: #1e293b;
    --light: #f8fafc;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--light);
}

.navbar {
    display: flex;
    justify-content: space-between;
    padding: 20px 5%;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
}

.logo { font-size: 1.5rem; font-weight: bold; color: var(--dark); }
.logo span { color: var(--primary); }

.hero {
    height: 400px;
    background: linear-gradient(45deg, #1e293b, #2563eb);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 40px 5%;
}

.product-card {
    background: white;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: 0.3s;
    text-align: center;
}

.product-card:hover { transform: translateY(-5px); }

.btn-main {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
}