.about-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    font-family: var(--font-family-sans);
    color: var(--text-color);
    line-height: 1.7;
}

.about-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.about-hero h1 {
    font-family: var(--font-family-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    color: var(--board-light);
}

.about-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.about-section {
    background-color: #2b2826;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.about-section h2 {
    font-family: var(--font-family-serif);
    font-size: 1.8rem;
    color: var(--board-light);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--board-dark);
    padding-bottom: 0.5rem;
}

.about-section h3 {
    font-family: var(--font-family-sans);
    font-size: 1.3rem;
    color: var(--text-color);
    margin: 1.5rem 0 1rem;
    font-weight: 600;
}

.about-section p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.about-section ul {
    margin: 1rem 0 1.5rem 1.5rem;
    list-style-type: disc;
}

.about-section li {
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}

.about-section .icon-list {
    list-style-type: none;
    padding-left: 0;
    margin-left: 1.5rem;
}

.step-list {
    counter-reset: step-counter;
    list-style: none;
    margin: 1.5rem 0;
    padding: 0;
}

.step-list li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background-color: var(--accent-safe);
    color: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.step-list li strong {
    color: var(--board-light);
    display: block;
    margin-bottom: 0.3rem;
}

.step-list li ul {
    list-style-type: disc;
    counter-reset: none;
    padding-left: 1.5rem;
    margin-left: 0;
}

.step-list li ul li {
    counter-increment: none;
    padding-left: 0;
    margin-bottom: 0.5rem;
}

.step-list li ul li::before {
    display: none;
}

.example-box {
    background-color: rgba(106, 138, 114, 0.15);
    border-left: 4px solid var(--accent-safe);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 4px;
}

.example-box h4 {
    font-family: var(--font-family-sans);
    font-size: 1.1rem;
    color: var(--accent-safe);
    margin-bottom: 1rem;
    font-weight: 600;
}

.example-box p {
    margin-bottom: 0.5rem;
}

.example-box code,
code {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.tip-box {
    background-color: rgba(74, 119, 229, 0.15);
    border-left: 4px solid #4a77e5;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 4px;
}

.tip-box::before {
    content: "💡 ";
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

.tip-box p {
    margin: 0;
    display: inline;
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.mode-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--board-dark);
}

.mode-card h4 {
    color: var(--board-light);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.mode-card p {
    margin: 0;
    font-size: 0.95rem;
    opacity: 0.9;
}

@media screen and (max-width: 768px) {
    .about-container {
        padding: 1rem;
    }

    .about-section {
        padding: 1rem;
    }

    .about-section h2 {
        font-size: 1.5rem;
    }

    .step-list li {
        padding-left: 2.5rem;
    }

    .about-section ul {
        margin-left: 0.5rem;
    }

    .step-list li ul {
        padding-left: 1rem;
    }

    .icon-list {
        margin-left: 0.5rem;
    }

    .mode-grid {
        grid-template-columns: 1fr;
    }
}