.about-hero{background-color:var(--color-bg);border-bottom:1px solid var(--color-border)}.about-hero__content{max-width:760px;margin-top:var(--space-4)}.about-hero__title{color:var(--color-text);margin-bottom:var(--space-3)}.about-hero__lead{color:var(--color-text);margin-bottom:var(--space-3);font-size:18px;font-weight:500;line-height:1.6}.about-hero__body{color:var(--color-text-secondary);font-size:16px}.about-section{background-color:var(--color-surface)}.about-section--tinted{background-color:var(--color-bg)}.about-section__heading{color:var(--color-text);margin-bottom:var(--space-5)}.about-block{max-width:760px}.about-block__heading{color:var(--color-text);margin-bottom:var(--space-3)}.about-block p{color:var(--color-text-secondary);margin-bottom:var(--space-3)}.about-block p:last-of-type{margin-bottom:var(--space-3)}.about-block__link{align-items:center;gap:var(--space-1);color:var(--color-primary);font-size:15px;font-weight:600;text-decoration:none;transition:color .15s;display:inline-flex}.about-block__link:hover{color:var(--color-primary-hover);text-decoration:underline}.cert-cards{gap:var(--space-4);grid-template-columns:1fr 1fr;display:grid}@media (max-width:768px){.cert-cards{grid-template-columns:1fr}}.cert-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-card)}.cert-card__header{align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);display:flex}.cert-card__title{color:var(--color-text);margin:0;font-size:18px;font-weight:600}.cert-card__body{color:var(--color-text-secondary);margin-bottom:var(--space-3);font-size:15px;line-height:1.7}.cert-card__examples{border-top:1px solid var(--color-border);padding-top:var(--space-3);margin-top:var(--space-3)}.cert-card__examples-label{color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-2);font-size:13px;font-weight:600}.cert-card__list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.cert-card__list li{color:var(--color-text-secondary);padding-left:16px;font-size:14px;position:relative}.cert-card__list li:before{content:"–";color:var(--color-text-muted);position:absolute;left:0}.about-table-note{margin-top:var(--space-3);color:var(--color-text-secondary);font-size:14px}.about-cta{background-color:var(--color-bg);border-top:1px solid var(--color-border)}.about-cta__heading{color:var(--color-text);margin-bottom:var(--space-4)}.about-cta__grid{gap:var(--space-3);grid-template-columns:repeat(3,1fr);display:grid}@media (max-width:900px){.about-cta__grid{grid-template-columns:1fr}}.about-cta__card{gap:var(--space-2);padding:var(--space-4);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:flex}.about-cta__card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-card);text-decoration:none}.about-cta__card-label{color:var(--color-text-secondary);font-size:14px}.about-cta__card-action{color:var(--color-primary);font-size:15px;font-weight:600}