body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background: #0f172a;
    color: #f4f4f9;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
}

header nav ul li a {
    text-decoration: none;
    color: #f4f4f9;
    transition: color 0.3s;
}

header nav ul li a:hover {
    color: #1db954;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(to bottom right, #1db954, #0f172a);
    color: #fff;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero button {
    padding: 0.75rem 2rem;
    border: none;
    background: #fff;
    color: #0f172a;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.hero button:hover {
    background: #1db954;
    color: #fff;
}

.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
}

.product {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.product img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.product h3 {
    margin: 1rem 0;
}

.product button {
    padding: 0.5rem 1rem;
    background: #1db954;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.product button:hover {
    background: #0f172a;
}

footer {
    background: #0f172a;
    color: #f4f4f9;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

footer p {
    margin: 0;
}