.section-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}@media(min-width:768px){.section-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.section-grid{grid-template-columns:repeat(3,1fr)}}.section-card{transition:all .3s ease;transform:translateY(0)}.section-card:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,4%)}.section-badge{display:inline-block;padding:.25rem .5rem;font-size:.75rem;font-weight:600;border-radius:9999px;background-color:var(--color-primary-light);color:var(--color-primary-dark);margin-bottom:.5rem}.breadcrumb-separator{opacity:.6;margin:0 .5rem;user-select:none}.breadcrumb-item{display:flex;align-items:center}.breadcrumb-link{display:flex;align-items:center;text-decoration:none;transition:all .2s ease;border-radius:.25rem;padding:.25rem .5rem}.breadcrumb-link:hover{background-color:var(--color-border);transform:translateY(-1px)}.section-sidebar{position:sticky;top:6rem;max-height:calc(100vh - 8rem);overflow-y:auto}.section-info-card{background:linear-gradient(135deg,var(--color-background) 0%,var(--color-surface) 100%);border:1px solid var(--color-border);border-radius:.75rem;padding:1rem;margin-bottom:1.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}.section-info-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--color-border)}.section-info-item:last-child{border-bottom:none}.quick-access-link{display:flex;align-items:center;justify-content:space-between;padding:.75rem;border-radius:.5rem;text-decoration:none;transition:all .2s ease;border:1px solid transparent}.quick-access-link:hover{background-color:var(--color-border);border-color:var(--color-primary-light);transform:translateX(4px)}.quick-access-badge{background-color:var(--color-primary-light);color:var(--color-primary-dark);font-size:.75rem;font-weight:600;padding:.25rem .5rem;border-radius:9999px;min-width:1.5rem;text-align:center}.recent-post-item{padding:.75rem 0;border-bottom:1px solid var(--color-border);transition:all .2s ease}.recent-post-item:last-child{border-bottom:none}.recent-post-item:hover{padding-left:.5rem;background-color:var(--color-surface);border-radius:.5rem;border-bottom:1px solid transparent}.recent-post-title{font-weight:500;line-height:1.4;margin-bottom:.25rem;color:var(--color-text-dark)}.recent-post-date{font-size:.75rem;color:var(--color-text-light)}@media(max-width:768px){.section-grid{grid-template-columns:1fr;gap:1rem}.section-card{margin-bottom:1rem}.breadcrumb-link{padding:.125rem .25rem;font-size:.875rem}.section-badge{font-size:.625rem;padding:.125rem .375rem}}@media(prefers-color-scheme:dark){.section-card:hover{box-shadow:0 20px 25px -5px rgba(0,0,0,.3),0 10px 10px -5px rgba(0,0,0,.2)}.section-info-card{background:linear-gradient(135deg,var(--color-background) 0%,var(--color-surface) 100%);box-shadow:0 4px 6px -1px rgba(0,0,0,.3)}}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.section-content{animation:fadeInUp .6s ease-out}.section-nav-item:focus,.quick-access-link:focus,.breadcrumb-link:focus{outline:2px solid var(--color-primary);outline-offset:2px}