/* SEO Silo landing pages — nhẹ, bổ sung premium.css */
.silo-page { background: #f8fafb; min-height: 60vh; }
.silo-page .container { max-width: 960px; }
.silo-h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    color: #004d40;
    margin-bottom: 16px;
    line-height: 1.2;
}
.silo-intro { color: #444; font-size: 1.1rem; line-height: 1.7; max-width: 720px; }
.silo-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 32px;
}
.silo-benefit-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.silo-benefit-list li {
    padding: 10px 0;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 1rem;
    color: #333;
}
.silo-cluster-card,
.silo-pillar-card {
    display: block;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    height: 100%;
    text-decoration: none !important;
    color: inherit;
    transition: all 0.25s ease;
}
.silo-cluster-card:hover,
.silo-pillar-card:hover {
    border-color: #00897b;
    box-shadow: 0 8px 28px rgba(0,137,123,0.12);
    transform: translateY(-4px);
}
.silo-card-link {
    display: inline-block;
    margin-top: 12px;
    color: #00897b;
    font-weight: 600;
    font-size: 0.9rem;
}
.silo-pill {
    background: #e8f5e9 !important;
    color: #2e7d32 !important;
    padding: 10px 16px !important;
    font-weight: 600;
    text-decoration: none !important;
}
.silo-pill:hover { background: #c8e6c9 !important; }
.silo-faq-item {
    background: #fff;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 8px;
    border: 1px solid #eee;
}
.silo-faq-item summary { font-weight: 700; cursor: pointer; color: #004d40; }
.silo-faq-item p { margin: 10px 0 0; color: #555; font-size: 0.95rem; }

.silo-page .btn-secondary-cta {
    color: #004d40 !important;
    border-color: #00897b;
    background: transparent;
}
.silo-page .btn-secondary-cta:hover {
    background: #e8f5e9;
    color: #004d40 !important;
}