:root,[data-theme=light]{--sf-primary: #0176d3;--sf-primary-hover: #014486;--sf-bg: #f3f3f3;--sf-surface: #ffffff;--sf-text: #181818;--sf-text-muted: #706e6b;--sf-border: #c9c7c5;--sf-radius: 8px;--sf-shadow: 0 1px 2px rgba(24, 24, 24, .08);color-scheme:light}[data-theme=dark]{--sf-primary: #1b96ff;--sf-primary-hover: #0b5cab;--sf-bg: #1b1b1b;--sf-surface: #2a2a2a;--sf-text: #f3f3f3;--sf-text-muted: #aeaeae;--sf-border: #5c5c5c;--sf-shadow: 0 1px 2px rgba(0, 0, 0, .35);color-scheme:dark}html,body,#root{margin:0;min-height:100%;background:var(--sf-bg);color:var(--sf-text);font-family:Segoe UI,Salesforce Sans,system-ui,sans-serif}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.app-shell{box-sizing:border-box;min-height:100vh;padding:12px;background:var(--sf-bg)}.app-surface{box-sizing:border-box;max-width:640px;min-width:280px;margin:0 auto;padding:16px;background:var(--sf-surface);border:1px solid var(--sf-border);border-radius:var(--sf-radius);box-shadow:var(--sf-shadow)}.sf-card{border:1px solid var(--sf-border);border-radius:var(--sf-radius);padding:12px;background:var(--sf-surface)}.sf-muted{color:var(--sf-text-muted)}.brand-row{display:flex;align-items:center;gap:10px}.brand-logo{width:36px;height:22px;flex-shrink:0}.brand-logo--lg{width:56px;height:35px}body.landing{margin:0;background:var(--sf-bg);color:var(--sf-text);font-family:Segoe UI,system-ui,sans-serif;line-height:1.5}.landing-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;background:var(--sf-surface);border-bottom:1px solid var(--sf-border)}.landing-brand{display:flex;align-items:center;gap:10px;font-weight:600}.landing-header nav{display:flex;gap:16px;flex-wrap:wrap}.landing-header a{color:var(--sf-primary);text-decoration:none;font-weight:600}.landing-header a:hover{text-decoration:underline}.landing-hero{max-width:720px;margin:0 auto;padding:56px 24px 40px;text-align:center}.landing-hero-mark{margin-bottom:16px}.landing-hero h1{margin:0;font-size:clamp(1.75rem,4vw,2.5rem);letter-spacing:-.02em}.landing-lead{margin:16px auto 0;max-width:36rem;color:var(--sf-text-muted);font-size:1.1rem}.landing-cta{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-block;padding:12px 20px;border-radius:8px;font-weight:600;text-decoration:none;border:1px solid transparent}.btn.primary{background:var(--sf-primary);color:#fff}.btn.primary:hover{background:var(--sf-primary-hover)}.btn.secondary{background:var(--sf-surface);color:var(--sf-text);border-color:var(--sf-border)}.landing-pros{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;max-width:960px;margin:0 auto;padding:8px 24px 40px}.landing-pros article{background:var(--sf-surface);border:1px solid var(--sf-border);border-radius:12px;padding:20px;box-shadow:var(--sf-shadow)}.landing-pros h2{margin:0 0 8px;font-size:1.1rem;color:var(--sf-primary)}.landing-pros p{margin:0;color:var(--sf-text-muted)}.landing-note{max-width:720px;margin:0 auto 48px;padding:24px;background:var(--sf-surface);border:1px solid var(--sf-border);border-radius:12px}.landing-note h2{margin:0 0 8px;font-size:1.15rem}.landing-note p{margin:0;color:var(--sf-text-muted)}.landing-footer{padding:24px;text-align:center;color:var(--sf-text-muted);font-size:.85rem;border-top:1px solid var(--sf-border)}@media(max-width:600px){.landing-header{flex-direction:column;align-items:flex-start}}