.zm-sub section { padding: 4rem 0; }
.zm-sub section.alt { background: rgb(var(--muted) / 0.35); }
.zm-sub-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.zm-sub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; margin-top: 2rem; }
.zm-sub-card { background: white; border: 1px solid rgb(var(--border)); border-radius: var(--radius); padding: 1.5rem; }
.zm-sub-card h3 { margin: 0 0 0.75rem; font-size: 1rem; }
.zm-sub-card p, .zm-sub-card li { color: rgb(var(--muted-foreground)); font-size: 0.9rem; line-height: 1.65; }
.zm-sub-card ul { margin: 0; padding-left: 1rem; }
.zm-sub-hero { padding: 5rem 0 4rem; background: linear-gradient(160deg, #f9fafb 0%, #fff 60%); border-bottom: 1px solid rgb(var(--border)); }
.zm-sub-kicker { color: rgb(var(--primary)); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 1rem; }
.zm-sub h1 { font-size: 2.3rem; line-height: 1.15; margin-bottom: 1rem; }
.zm-sub-lead { font-size: 1.05rem; color: rgb(var(--muted-foreground)); line-height: 1.75; max-width: 720px; }
.zm-sub h2 { font-size: 1.6rem; margin-bottom: 0.75rem; text-align: center; }
.zm-sub-section-lead { text-align: center; color: rgb(var(--muted-foreground)); max-width: 680px; margin: 0 auto; }
.zm-sub-links { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.zm-sub-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.85rem 1.5rem; border-radius: var(--radius); text-decoration: none; font-weight: 600; }
.zm-sub-btn.primary { background: rgb(var(--primary)); color: white; }
.zm-sub-btn.secondary { border: 1px solid rgb(var(--border)); color: rgb(var(--foreground)); }
.zm-sub-note { margin-top: 1.75rem; background: rgb(var(--primary) / 0.06); border-left: 3px solid rgb(var(--primary)); border-radius: 0 var(--radius) var(--radius) 0; padding: 1rem 1.25rem; color: rgb(var(--foreground)); font-size: 0.9rem; line-height: 1.65; }
.zm-sub-cta { background: rgb(var(--secondary)); color: white; text-align: center; }
.zm-sub-cta h2 { color: white; }
.zm-sub-cta p { color: rgba(255,255,255,0.8); max-width: 680px; margin: 0 auto 1.5rem; }
@media (max-width: 640px) { .zm-sub h1 { font-size: 1.8rem; } }