* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1e1e1e, #3a3a3a);
    color: white;
}

/* HEADER */
header {
    background-color: black;
    padding: 20px;
    text-align: center;
}

/* MAIN */
.main-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 40px;
}

/* KARTY */
.card {
    background-color: #111;
    width: 250px;
    height: 320px;
    border-radius: 15px;
    text-align: center;
    padding: 20px;
    transition: 0.3s ease;
    box-shadow: 0 0 15px rgba(0,0,0,0.6);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px #00ffcc;
}

.card h2 {
    margin-bottom: 15px;
}

.card img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 20px;
}

/* PRZYCISKI */
button {
    padding: 10px 25px;
    border: none;
    border-radius: 8px;
    background-color: #00ffcc;
    color: black;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: white;
    transform: scale(1.1);
}

/* FOOTER */
footer {
    background-color: black;
    width: 100%;
    height: 10%;
    text-align: center;
    position: absolute;
    top: 90%;
    left: 0%;
}