.about-header {
    background: linear-gradient(135deg, 
        rgba(23, 53, 72, 0.05) 0%,
        rgba(13, 161, 212, 0.08) 100%);
    padding: 4rem 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(23, 53, 72, 0.1);
}

.about-header h1 {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.about-header .subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.mission {
    text-align: center;
    margin-bottom: 4rem;
}

.mission h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.mission p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-color);
    opacity: 0.9;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 4rem 0;
}

.about-grid .about-card:last-child {
    grid-column: 1 / -1;
}

.about-card {
    background: var(--background-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(23, 53, 72, 0.08);
    border: 1px solid rgba(23, 53, 72, 0.1);
}

.about-card h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--text-color);
    opacity: 0.9;
    line-height: 1.6;
}

.about-aido4me {
    text-align: center;
    margin-top: 8rem;
    padding: 3rem;
    background: linear-gradient(135deg, 
        rgba(23, 53, 72, 0.02) 0%,
        rgba(13, 161, 212, 0.05) 100%);
    border-radius: 12px;
}

.about-aido4me h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-aido4me p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.9;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .about-header h1 {
        font-size: 2.5rem;
    }

    .about-header .subtitle {
        font-size: 1.25rem;
    }

    .mission h2 {
        font-size: 2rem;
    }

    .mission p {
        font-size: 1.1rem;
    }

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

    .about-grid .about-card:last-child {
        grid-column: auto;
    }

    .about-content {
        padding: 2rem 1rem;
    }

    .about-card {
        padding: 1.5rem;
    }

    .about-aido4me {
        margin-top: 4rem;
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .about-header h1 {
        font-size: 2rem;
    }

    .about-header .subtitle {
        font-size: 1.1rem;
    }

    .mission h2 {
        font-size: 1.75rem;
    }

    .about-card h3 {
        font-size: 1.25rem;
    }
}