:root {
    --ch-primary: #34A853;
    --ch-bg-light: #E6F4EA;
    --ch-bg-dark: #0D3D1E;
}

.ch-hero-section {
    padding: 6rem 0 4rem;
    background-color: var(--background);
    border-bottom: 1px solid var(--border-color);
}

.ch-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.ch-hero-content h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--on-surface);
}

.ch-hero-content h1 span {
    color: var(--ch-primary);
}

.ch-hero-content p {
    font-size: 1.15rem;
    color: var(--on-surface-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.ch-hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ch-hero-image img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(52, 168, 83, 0.15));
    display: block;
    margin: 0 auto;
}

.ch-layout-section {
    padding: 4rem 0;
}

.ch-sub-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: start;
}

.ch-sidebar {
    position: sticky;
    top: 100px;
}

.ch-nav-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.ch-nav-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--on-surface);
}

.ch-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ch-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.85rem;
    border-radius: 8px;
    color: var(--on-surface-muted);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.ch-nav-item:hover {
    background-color: var(--surface-container);
    color: var(--on-surface);
}

.ch-nav-item.active {
    background-color: var(--ch-bg-light);
    color: var(--ch-bg-dark);
    font-weight: 700;
}

html[data-theme="dark"] .ch-nav-item.active {
    background-color: var(--ch-bg-dark);
    color: var(--ch-bg-light);
}

.ch-nav-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ch-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.ch-service-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
    height: 100%;
    text-decoration: none;
    color: var(--on-surface);
    position: relative;
    overflow: hidden;
}

.ch-service-card:hover {
    transform: translateY(-8px);
    border-color: var(--ch-primary);
    box-shadow: var(--shadow-md);
}

.ch-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background-color: var(--ch-bg-light);
    color: var(--ch-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

html[data-theme="dark"] .ch-card-icon {
    background-color: var(--ch-bg-dark);
}

.ch-card-icon .material-icons-round {
    font-size: 32px;
}

.ch-service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.ch-service-card p {
    font-size: 1rem;
    color: var(--on-surface-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.ch-card-link {
    font-weight: 700;
    color: var(--ch-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.ch-content-body h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--on-surface);
}

.ch-content-body h2 {
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
    color: var(--on-surface);
}

.ch-content-body h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--on-surface);
}

.ch-content-body p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--on-surface-muted);
}

.ch-content-body ul {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
}

.ch-content-body li {
    margin-bottom: 0.5rem;
    color: var(--on-surface);
    line-height: 1.6;
}

.ch-faq-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.ch-faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.ch-faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--on-surface);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ch-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-right: 2rem;
}

.ch-faq-answer p {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: var(--on-surface-muted);
}

.ch-faq-item.active .ch-faq-answer {
    max-height: 500px;
}

.ch-faq-item.active .icon-expand {
    transform: rotate(180deg);
}

.ch-personal-cta {
    margin-top: 6rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    align-items: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.ch-personal-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 6px; height: 100%;
    background: var(--ch-primary);
}

.ch-cta-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--on-surface);
}

.ch-cta-content p {
    font-size: 1.1rem;
    color: var(--on-surface-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 600px;
}

.ch-cta-avatar {
    position: relative;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--surface);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    margin: 0 auto;
}

.ch-cta-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 1024px) {
    .ch-sub-grid {
        grid-template-columns: 1fr;
    }
    .ch-sidebar {
        display: none;
    }
    .ch-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .ch-hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .ch-hero-image {
        display: none;
    }
    .ch-services-grid {
        grid-template-columns: 1fr;
    }
    .ch-personal-cta {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem;
    }
    .ch-cta-content {
        order: 2;
    }
    .ch-cta-avatar {
        order: 1;
        width: 180px;
        height: 180px;
        margin-bottom: 1rem;
    }
    .ch-cta-content p {
        margin-left: auto;
        margin-right: auto;
    }
}