/* About/Design Philosophy Section */
.about-section {
    width: 100%;
    padding: 6rem 2rem;
    background-color: #f8fafc;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Section Header - Centered */
.about-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: #6366f1;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.125rem;
    color: #6b7280;
    line-height: 1.6;
    max-width: 42rem;
    margin: 0 auto;
}

/* Principles Grid - 4 cards on same line */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

/* Principle Cards - Like in first image */
.principle-card {
    background-color: #ffffff;
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

/* Hover effect - smooth shadow appearance */
.principle-card:hover {
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.2);
}

.principle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    transition: left 0.6s ease;
}

.principle-card:hover::before {
    left: 100%;
}

.principle-card:hover .principle-icon {
    background-color: #2563eb;
    transform: scale(1.1) rotate(5deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.principle-card:hover .principle-icon img {
    filter: brightness(0) invert(1);
    transition: filter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.principle-card:hover .principle-title {
    color: #2563eb;
    transition: color 0.3s ease;
}

/* Principle Icon */
.principle-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    background-color: #dbeafe;
    color: #2563eb;
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.principle-icon img {
    filter: brightness(0) saturate(100%) invert(32%) sepia(75%) saturate(2632%) hue-rotate(217deg) brightness(95%) contrast(90%);
    transition: filter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Principle Content */
.principle-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.principle-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.principle-description {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.875rem;
    flex: 1;
}

/* Quote Section - Centered */
.quote-section {
    margin-top: 5rem;
    padding: 3rem 0;
    display: flex;
    justify-content: center;
}

.quote-container {
    max-width: 48rem;
    width: 100%;
    text-align: center;
    background-color: #ffffff;
    border-radius: 1.5rem;
    padding: 3rem 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.quote-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #6366f1;
    opacity: 0.7;
}

.quote-text {
    font-size: 1.5rem;
    font-weight: 500;
    color: #111827;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.quote-author {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-style: normal;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 4rem 1rem;
    }
    
    .about-header {
        margin-bottom: 3rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .principle-card {
        padding: 1.5rem;
        min-height: auto;
    }
    
    .principle-icon {
        width: 2.5rem;
        height: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .principle-title {
        font-size: 1rem;
    }
    
    .principle-description {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .about-section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.8rem;
    }
    
    .principle-card {
        padding: 1.25rem;
    }
    
    .principle-icon {
        width: 2.25rem;
        height: 2.25rem;
    }
    
    .principle-icon img {
        width: 20px;
        height: 20px;
    }
    
    .principle-title {
        font-size: 0.9375rem;
        margin-bottom: 0.5rem;
    }
    
    .principle-description {
        font-size: 0.8125rem;
        line-height: 1.5;
    }
}

/* Quote Responsive */
@media (max-width: 768px) {
    .quote-section {
        margin-top: 3rem;
        padding: 2rem 0;
    }
    
    .quote-container {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .quote-text {
        font-size: 1.25rem;
    }
    
    .quote-author {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .quote-section {
        margin-top: 2rem;
    }
    
    .quote-container {
        padding: 1.5rem 1rem;
    }
    
    .quote-text {
        font-size: 1.125rem;
        line-height: 1.5;
    }
    
    .quote-icon img {
        width: 36px;
        height: 36px;
    }
}