/* Snake Game Styles */
.snake-game .section-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--primary-color);
}

.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

#gameCanvas {
    border: 2px solid #333;
    background-color: #fff;
    display: block;
    margin: 0 auto;
    position: relative;
}

.game-stats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.game-stats p {
    font-size: 1.2rem;
    color: #333;
}

.game-stats button {
    padding: 10px 20px;
    border: none;
    background-color: var(--primary-color);
    color: #fff;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.game-stats button:hover {
    background-color: var(--primary-hover-color);
}

.message-popup {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    display: none;
    z-index: 1000;
    font-size: 1rem;
}

/* Introduction Section Styles */
.introduction {
    background-color: #f9f9f9;
    padding: 40px 0;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.introduction .intro-title {
    text-align: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.introduction .intro-text {
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
    margin-bottom: 15px;
    text-align: justify;
}

.horizontal-card-container {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 20px;
}

.card-item {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 250px;
    display: flex;
    gap: 10px;
}

.card-item .icon {
    font-size: 2rem;
    color: var(--primary-color);
}