.wrap{max-width:960px;margin:0 auto;padding:80px 48px 160px}section.cs{padding:64px 0;border-top:1px solid var(--border-subtle)}section.cs:first-of-type{border-top:none;padding-top:0}.cs-eyebrow{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.06em;margin-bottom:24px}.cs-hero-title{font-family:var(--font-display);font-size:clamp(40px,5.4vw,64px);font-weight:600;letter-spacing:-.04em;line-height:1.25;color:var(--text-primary);margin-bottom:28px;max-width:720px}.cs-hero-title em{font-style:normal;color:var(--text-muted);font-weight:600}.cs-hero-lede{font-size:17px;line-height:1.75;color:var(--text-tertiary);max-width:640px;margin-bottom:56px;font-weight:400}.cs-hero-lede strong{color:var(--text-primary);font-weight:600}.cs-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;padding:28px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.cs-meta-item h5{font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}.cs-meta-item p{font-size:13px;color:var(--text-secondary);line-height:1.5;white-space:pre-line}.cs-section-label{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}.cs h2{font-family:var(--font-display);font-size:clamp(28px,3.4vw,38px);font-weight:700;letter-spacing:-.025em;line-height:1.2;color:var(--text-primary);margin-bottom:36px;max-width:640px}.cs h3{font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--text-primary);margin-top:40px;margin-bottom:14px}.cs p{font-size:15px;line-height:1.85;color:var(--text-secondary);max-width:680px;margin-bottom:22px;font-weight:400}.cs p strong{color:var(--text-primary);font-weight:600}.cs ul{list-style:none;padding:0;margin-bottom:28px;max-width:680px}.cs li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--text-secondary);margin-bottom:12px;font-weight:400}.cs li:before{content:"";position:absolute;left:0;top:14px;width:8px;height:1px;background:var(--accent)}.cs li strong{color:var(--text-primary);font-weight:600}.cs-artifact{margin:32px 0 8px;padding:32px;background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:0}.cs-artifact-caption{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);margin-top:16px;letter-spacing:.04em}.cs-figure{margin:32px 0 8px;display:flex;flex-direction:column;gap:12px}.cs-figure-frame{background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:0;overflow:hidden;line-height:0}.cs-figure-frame img{display:block;width:100%;height:auto}.cs-figure figcaption{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);letter-spacing:.04em;line-height:1.5}.cs-figure figcaption strong{color:var(--text-secondary);font-weight:500}.cs-phone-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,3vw,28px);margin:36px 0 8px}.cs-phone-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.cs-phone-figure{display:flex;flex-direction:column;gap:12px;min-width:0}.cs-phone-frame{overflow:hidden;border:1px solid var(--border-subtle);border-radius:0;background:var(--surface-raised);line-height:0}.cs-phone-frame img{display:block;width:100%;height:auto}.cs-phone-figure figcaption{font-family:var(--font-mono);font-size:10px;line-height:1.55;letter-spacing:.03em;color:var(--text-muted)}.cs-phone-figure figcaption strong{color:var(--text-secondary);font-weight:500}.cs-link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.cs-link-row a{display:inline-flex;align-items:center;min-height:40px;padding:9px 14px;border:1px solid var(--border-default);border-radius:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.03em;color:var(--text-secondary);transition:color .15s var(--ease-out),border-color .15s var(--ease-out),background .15s var(--ease-out)}.cs-link-row a:hover{border-color:var(--accent-border);background:var(--accent-surface);color:var(--text-primary)}.token-grid{display:grid;grid-template-columns:120px 1fr 1fr;gap:0;font-family:var(--font-mono);font-size:12px}.token-grid .token-row{display:contents}.token-grid .token-row>div{padding:12px 8px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;gap:10px}.token-grid .token-head>div{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding-bottom:8px;border-bottom:1px solid var(--border-default)}.token-swatch{width:20px;height:20px;border-radius:0;border:1px solid var(--border-default);flex-shrink:0}.token-name{color:var(--text-secondary)}.token-meta{color:var(--text-muted)}.token-arrow{color:var(--text-faint);margin:0 4px}.atomic-ladder{display:flex;flex-direction:column;gap:6px}.atomic-row{display:grid;grid-template-columns:100px 1fr;gap:16px;align-items:center;padding:10px 0}.atomic-bar{height:18px;background:var(--surface-muted);border:1px solid var(--border-default);border-radius:0;position:relative;overflow:hidden}.atomic-bar:after{content:"";position:absolute;inset:0;background:var(--accent);opacity:.5}.atomic-label{font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);letter-spacing:.04em}.timeline{position:relative;padding-left:24px}.timeline:before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:var(--border-default)}.timeline-item{position:relative;margin-bottom:22px}.timeline-item:before{content:"";position:absolute;left:-24px;top:5px;width:9px;height:9px;border-radius:50%;background:var(--surface-canvas);border:1px solid var(--accent)}.timeline-item.done:before{background:var(--accent)}.timeline-phase{font-family:var(--font-mono);font-size:11px;color:var(--accent);letter-spacing:.06em;margin-bottom:4px}.timeline-title{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.timeline-desc{font-size:13px;color:var(--text-tertiary);line-height:1.6}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:16px 0 8px}.stat{padding:24px;background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:0}.stat-value{font-family:var(--font-display);font-size:36px;font-weight:700;letter-spacing:-.03em;color:var(--accent);line-height:1;margin-bottom:8px}.stat-label{font-size:13px;color:var(--text-tertiary);line-height:1.5}.feature-summary{max-width:680px;margin:32px 0 8px;padding:24px;background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:0}.feature-summary h3{margin:0 0 12px;font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--text-primary)}.feature-summary ul{margin:0}.feature-summary li:last-child{margin-bottom:0}.tone-guide{max-width:680px;margin-top:36px;border-top:1px solid var(--border-default);border-bottom:1px solid var(--border-subtle)}.tone-guide-head{padding:16px 0;font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border-bottom:1px solid var(--border-subtle)}.tone-guide-row{display:grid;grid-template-columns:128px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--border-subtle)}.tone-guide-row:last-child{border-bottom:none}.tone-guide-key{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--text-primary)}.tone-guide-value{font-size:14px;line-height:1.75;color:var(--text-secondary);font-weight:400}.cs-footer{margin-top:80px;padding-top:48px;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}.cs-footer-back{font-size:13px;color:var(--text-tertiary);transition:color .15s}.cs-footer-back:hover{color:var(--text-primary)}.cs-footer-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--accent);color:var(--accent-ink);font-size:13px;font-weight:500;border-radius:0;transition:transform .1s,background .15s}.cs-footer-cta:hover{background:var(--accent-hover)}.site-footer{padding:40px 0 0;display:flex;flex-direction:column;gap:8px}.site-footer-note{font-size:12px;font-weight:400;color:var(--text-muted);line-height:1.7}.site-footer-copy{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--text-faint)}@media (max-width: 768px){.wrap{padding:48px 20px 80px}.cs-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.cs-phone-grid,.cs-phone-grid-three{grid-template-columns:1fr}.cs-phone-figure{width:min(100%,420px);margin-inline:auto}.stats{grid-template-columns:1fr}.tone-guide-row{grid-template-columns:1fr;gap:8px;padding:16px 0}.token-grid{grid-template-columns:1fr;gap:4px}.token-grid .token-row>div{padding:6px 0;border-bottom:none}.atomic-row{grid-template-columns:80px 1fr}}.cs-footer a,.cs-link-row a{white-space:nowrap}