.page-hero {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy-medium));
    padding: 150px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-hero h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 48px;
    margin-bottom: 20px;
}

.page-hero p {
    font-size: 20px;
    color: var(--light-gray);
}

.about-detail {
    padding: 100px 0;
    background: var(--white);
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--navy-dark);
}

.about-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.principles {
    padding: 100px 0;
    background: var(--light-gray);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.principle-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.principle-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.principle-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bitcoin-orange), var(--bitcoin-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.principle-icon i {
    font-size: 36px;
    color: var(--white);
}

.principle-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--navy-dark);
}

.principle-card p {
    color: var(--text-light);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 120px 0 60px;
    }
    
    .page-hero h1 {
        font-size: 32px;
    }
    
    .page-hero p {
        font-size: 16px;
    }
    
    .about-detail {
        padding: 60px 0;
    }
    
    .about-text h2 {
        font-size: 28px;
    }
    
    .about-text p {
        font-size: 16px;
    }
    
    .principles {
        padding: 60px 0;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .principle-card {
        padding: 30px;
    }
}