.bi-eyebrow{color:var(--color-primary)}.bi-cover-link:after{content:"";position:absolute;inset:0;border-radius:inherit}.bi-cover-link:focus-visible{outline:none}.bi-feature:focus-within,.bi-card:focus-within{outline:3px solid var(--color-accent);outline-offset:3px}.bi-read{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-accent);font-size:var(--text-sm);font-weight:700}.bi-read svg{transition:transform var(--transition)}.bi-posts{padding-top:var(--space-2xl);padding-bottom:var(--space-3xl)}.bi-stack{display:flex;flex-direction:column;gap:var(--space-xl)}.bi-feature{position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-md);padding:var(--space-xl) var(--space-lg);border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--color-secondary-dark) 0%,var(--color-secondary) 45%,var(--color-primary) 100%);color:var(--color-white);transition:transform var(--transition)}.bi-feature:before{content:"";position:absolute;top:-45%;right:-10%;width:36rem;height:36rem;border-radius:var(--radius-full);background:radial-gradient(circle,rgba(67,172,252,.28),transparent 65%);pointer-events:none}.bi-feature>*{position:relative}.bi-feature:hover{transform:translateY(-4px)}.bi-feature:hover .bi-read svg{transform:translate(4px)}.bi-feature-meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm);color:#ffffffbf;font-size:var(--text-sm)}.bi-topic{position:relative;z-index:1;display:inline-flex;align-items:center;min-height:2rem;padding:.25rem .85rem;border-radius:var(--radius-full);background:var(--color-accent);color:var(--color-dark);font-family:var(--font-accent);font-size:var(--text-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase;transition:background-color var(--transition)}.bi-topic:hover{background:var(--color-accent-light)}.bi-feature-title{max-width:20ch;font-family:var(--font-display);font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.1;letter-spacing:-.02em;text-wrap:balance}.bi-feature-title a{color:var(--color-white)}.bi-feature-excerpt{max-width:58ch;color:#ffffffd9;font-size:var(--text-md);line-height:1.6}.bi-feature .bi-read{color:var(--color-accent)}.bi-grid{display:grid;grid-template-columns:1fr;gap:var(--space-lg)}.bi-card{position:relative;height:100%;display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-lg);border:1px solid var(--color-border);border-top:4px solid var(--color-primary);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-panel);transition:transform var(--transition),border-color var(--transition)}.bi-card:hover{transform:translateY(-4px);border-top-color:var(--color-accent)}.bi-card:hover .bi-read svg{transform:translate(4px)}.bi-card-meta{display:flex;justify-content:space-between;gap:var(--space-sm);color:var(--color-muted);font-size:var(--text-sm)}.bi-card-topic{color:var(--color-primary);font-family:var(--font-accent);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:var(--text-xs)}.bi-card-title{font-size:var(--text-xl);line-height:1.3}.bi-card-title a{color:var(--color-dark)}.bi-card p{line-height:1.6}.bi-card .bi-read{margin-top:auto;color:var(--color-primary)}.bi-guides{padding-top:var(--space-3xl);padding-bottom:var(--space-3xl);background:var(--color-panel)}.bi-guides-inner{display:grid;grid-template-columns:1fr;gap:var(--space-xl)}.bi-guides-intro{display:flex;flex-direction:column;gap:var(--space-sm)}.bi-guides-intro .eyebrow{color:var(--color-primary)}.bi-guides-intro h2{font-size:clamp(1.75rem,3vw,2.4rem);line-height:1.2;text-wrap:balance}.bi-guides-intro p:last-child{max-width:46ch;line-height:1.6}.bi-guide-list{display:flex;flex-direction:column;border-top:1px solid var(--color-control-border)}.bi-guide{display:grid;grid-template-columns:1fr auto;align-items:center;gap:.25rem var(--space-md);min-height:44px;padding:var(--space-md) 0;border-bottom:1px solid var(--color-control-border);color:var(--color-dark);transition:color var(--transition)}.bi-guide-topic{grid-column:1;color:var(--color-muted);font-family:var(--font-accent);font-size:var(--text-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.bi-guide-title{grid-column:1;font-family:var(--font-heading);font-size:var(--text-lg);line-height:1.3}.bi-guide svg{grid-column:2;grid-row:1 / span 2;color:var(--color-primary);transition:transform var(--transition)}.bi-guide:hover{color:var(--color-primary)}.bi-guide:hover svg{transform:translate(4px)}@media(min-width:768px){.bi-feature{padding:var(--space-2xl) var(--space-xl)}.bi-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.bi-grid{grid-template-columns:repeat(3,1fr)}.bi-guides-inner{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--space-3xl);align-items:start}.bi-guides-intro{position:sticky;top:7rem}}