.hero-sub{max-width:600px}.narrow-copy{max-width:760px}.prose p{font-size:18px;color:var(--text-muted);line-height:var(--leading-relaxed);margin:0 0 20px}.prose p:last-child{margin-bottom:0}.prose a{color:var(--text-link);font-weight:500}.hero-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px;max-width:820px;margin-left:auto;margin-right:auto}.hero-feature{display:flex;align-items:flex-start;gap:12px;background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:18px 20px;font-size:15px;color:var(--text-body);line-height:1.5;box-shadow:var(--shadow-sm)}.hero-feature-icon{font-size:20px;flex:none;line-height:1.4}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.metric-card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.metric-card h4{font-family:var(--font-serif);font-weight:600;font-size:18px;color:var(--text-accent);margin:0 0 10px}.metric-card p{color:var(--text-muted);font-size:15px;margin:0 0 14px;line-height:1.55}.metric-formula{font-family:var(--font-mono);font-size:13px;color:var(--text-body);background:var(--surface-raised);border:1px solid var(--border-subtle);padding:8px 12px;border-radius:var(--radius-sm)}.steps-list{counter-reset:step-counter;list-style:none;padding:0;margin:0}.steps-list li{counter-increment:step-counter;position:relative;padding-left:56px;margin-bottom:28px}.steps-list li:last-child{margin-bottom:0}.steps-list li:before{content:counter(step-counter);position:absolute;left:0;top:0;width:36px;height:36px;background:var(--brand);color:var(--text-on-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:600;font-size:15px}.steps-list strong{display:block;font-family:var(--font-serif);font-weight:600;font-size:18px;color:var(--text-heading);margin-bottom:4px}.steps-list span{display:block;color:var(--text-muted);font-size:16px;line-height:1.6}.claude-callout{margin:48px 0 0;padding:32px 36px;background:var(--surface-card);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.claude-callout-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:var(--text-accent);margin-bottom:16px}.claude-callout-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}.claude-callout h3{font-family:var(--font-serif);font-weight:600;font-size:20px;color:var(--text-heading);margin:0 0 12px}.claude-callout p{color:var(--text-muted);font-size:15px;line-height:1.7;margin:0 0 16px}.claude-callout-apis{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.claude-callout-api-tag{font-family:var(--font-mono);font-size:12px;padding:4px 10px;background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-muted);letter-spacing:.03em}.benchmark-wrap{overflow-x:auto;margin:24px 0}.benchmark-table{width:100%;border-collapse:collapse}.benchmark-table th,.benchmark-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--divider);font-size:15px}.benchmark-table th{font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-accent);font-weight:600}.benchmark-table td{color:var(--text-body)}.benchmark-good{color:#1f8a4c;font-weight:600}.benchmark-warning{color:#b8860b;font-weight:600}.benchmark-bad{color:#c0392b;font-weight:600}.substack-form .form-submit{width:100%}.form-msg{text-align:center;font-size:14px;color:var(--text-muted);margin:14px 0 0;min-height:1em}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.related-card{display:block;text-align:center;background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);text-decoration:none;transition:transform .2s ease,border-color .2s ease}.related-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}.related-icon{font-size:30px;margin-bottom:14px}.related-title{font-family:var(--font-serif);font-weight:600;font-size:18px;color:var(--text-heading);margin-bottom:8px}.related-description{font-size:14px;color:var(--text-muted);margin:0;line-height:1.5}@media (max-width:1000px){.metric-grid{grid-template-columns:repeat(2,1fr)}.related-grid,.hero-feature-grid{grid-template-columns:1fr}}@media (max-width:600px){.metric-grid{grid-template-columns:1fr}}