.theory {
    max-width: 100%;
    margin: 0 auto;
    padding: 0px 0px 20px 0px;
}

.theory .header {
    background-image: url('./assets/theory.png');
    background-size: cover;
    background-position: center;
    color: var(--black);
    text-align: center;
    padding: 100px 20px;
}

.theory .header h1 {
    font-size: 48px;
    margin: 0;
    color: #fff;
    font-weight: bold;
}

.theory .header p {
    font-size: 18px;
    margin: 10px 0 0;
}

.theory .content {
    padding: 40px 20px;
    text-align: center;
}

.theory .content h2 {
    color: #e74c3c;
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: bold;
}

.theory .content p {
    color: #333333;
    font-size: 16px;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 40px;
}

.theory .strategies {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.theory .strategy {
    width: 200px;
    text-align: center;
}

.theory .strategy i {
    font-size: 48px;
    margin-bottom: 10px;
}

.theory .strategy h3 {
    font-size: 18px;
    margin: 10px 0;
}

.theory .strategy p {
    font-size: 14px;
    color: #333333;
}

.theory .strategy-1 i {
    color: #27ae60;
}

.theory .strategy-2 i {
    color: #f39c12;
}

.theory .strategy-3 i {
    color: #e74c3c;
}

.theory .strategy-4 i {
    color: #2ecc71;
}

.theory .strategy-5 i {
    color: #e67e22;
}

@media (max-width: 768px) {
    .theory .header {
        padding: 60px 20px;
    }
    .theory .header h1 {
        font-size: 28px;
    }
    .theory .header p {
        font-size: 16px;
    }
    .theory .content h2 {
        font-size: 20px;
    }
    .theory .content p {
        font-size: 14px;
    }
    .theory .strategy {
        width: 100%;
        margin-bottom: 20px;
    }
}