/* Additional styles for About page */
.page-hero {
    padding: 8rem 0 4rem;
    background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23333" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.page-hero .hero-content {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.company-overview {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-text .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.overview-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.overview-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.company-image {
    width: 300px;
    height: 300px;
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: var(--shadow-heavy);
    animation: pulse 4s ease-in-out infinite;
}

.mission-vision {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.mv-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.mv-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.mv-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2rem;
    color: white;
}

.mv-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.mv-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.1rem;
}

.core-values {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.value-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

.company-info {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.info-card h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.chinese-name, .chinese-address {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.info-card ul li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.contact-details p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.contact-details i {
    color: var(--primary-color);
    width: 20px;
}

.why-choose-us {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.reason-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.reason-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.reason-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    background: var(--gradient-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.reason-card h4 {
    font-size: 1.3rem;
    margin: 1rem 0;
    color: var(--text-primary);
}

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

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    width: 100%;
}

/* Responsive Design for About Page */
@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2.5rem;
    }

    .overview-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .mv-card {
        padding: 2rem;
    }

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

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

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

    .company-image {
        width: 250px;
        height: 250px;
    }

    .image-placeholder {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .page-hero {
        padding: 6rem 0 3rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .mv-card, .reason-card {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}