:root{--bg: #ffffff;--bg-soft: #f8fafc;--bg-muted: #f1f5f9;--fg: #0f172a;--fg-muted: #475569;--fg-subtle: #64748b;--border: #e2e8f0;--border-strong: #cbd5e1;--primary: #128C7E;--primary-hover: #0f6f63;--primary-soft: #e6f7f1;--accent: #25D366;--success: #059669;--success-soft: #ecfdf5;--success-border: #a7f3d0;--danger: #b91c1c;--radius: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);--shadow: 0 4px 6px -1px rgba(15,23,42,.06), 0 2px 4px -2px rgba(15,23,42,.06);--shadow-lg: 0 20px 40px -20px rgba(18,140,126,.25), 0 10px 20px -15px rgba(15,23,42,.1);--gradient: linear-gradient(135deg, #25D366 0%, #128C7E 60%, #075E54 100%);--gradient-soft: linear-gradient(135deg, #e6f7f1 0%, #f0fdf7 100%)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--fg)}h1{font-size:clamp(2rem,4.5vw,3.25rem);margin:0 0 1rem}h2{font-size:1.75rem;margin:2rem 0 1rem}h3{font-size:1.125rem;margin:0 0 .5rem}p{margin:0 0 1rem;color:var(--fg-muted)}ul{color:var(--fg-muted);padding-left:1.25rem}li{margin:.35rem 0}.shell{min-height:100%;display:flex;flex-direction:column}.container{max-width:1080px;margin:0 auto;padding:0 24px;width:100%}.container-narrow{max-width:760px;margin:0 auto;padding:0 24px;width:100%}.nav{position:sticky;top:0;z-index:40;background:#fffc;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--fg);font-size:15px;letter-spacing:-.01em}.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--gradient);display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:var(--shadow-sm)}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{color:var(--fg-muted);font-size:14px;font-weight:500;padding:8px 12px;border-radius:8px;transition:all .15s ease}.nav-links a:hover{color:var(--fg);background:var(--bg-muted)}.nav-cta{background:var(--fg)!important;color:#fff!important;padding:8px 14px!important;margin-left:8px}.nav-cta:hover{background:var(--primary)!important}@media (max-width: 640px){.nav-links{gap:0;overflow-x:auto}.nav-links a{padding:8px 10px;font-size:13px;white-space:nowrap}.nav-cta{margin-left:4px}}.footer{margin-top:auto;border-top:1px solid var(--border);padding:32px 0;background:var(--bg-soft)}.footer-inner{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:13px;color:var(--fg-subtle)}.footer a{color:var(--fg-muted)}.footer a:hover{color:var(--primary)}.footer-links{display:flex;flex-wrap:wrap;gap:16px}.hero{padding:72px 0 48px;text-align:center}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;border:1px solid rgba(79,70,229,.15);margin-bottom:20px}.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--success)}.hero h1 .grad{background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.hero-sub{max-width:640px;margin:0 auto 32px;font-size:1.125rem;color:var(--fg-muted)}.hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .15s ease;font-family:inherit;text-decoration:none}.btn-primary{background:var(--fg);color:#fff;box-shadow:var(--shadow)}.btn-primary:hover{background:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-ghost{background:#fff;color:var(--fg);border-color:var(--border-strong)}.btn-ghost:hover{background:var(--bg-muted);color:var(--fg)}.section{padding:48px 0}.section-head{text-align:center;margin-bottom:40px}.section-head p{max-width:560px;margin:0 auto}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width: 820px){.grid-3{grid-template-columns:1fr}}.feature{padding:28px;border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;transition:all .2s ease}.feature:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-2px)}.feature-icon{width:40px;height:40px;border-radius:10px;background:var(--gradient-soft);display:grid;place-items:center;margin-bottom:16px;font-size:20px}.card{padding:32px;border:1px solid var(--border);border-radius:var(--radius-xl);background:#fff;box-shadow:var(--shadow-sm)}.card-soft{padding:28px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-soft)}.prose{padding:48px 0 64px}.prose h1{font-size:2.25rem;margin-bottom:.5rem}.prose .meta{color:var(--fg-subtle);font-size:14px;margin-bottom:32px}.prose h2{font-size:1.25rem;margin-top:2rem;margin-bottom:.5rem;color:var(--fg)}.prose p,.prose li{color:var(--fg-muted);font-size:15.5px;line-height:1.75}.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:10px 0 10px 32px;position:relative;color:var(--fg);font-weight:500}.checklist li:before{content:"";position:absolute;left:0;top:14px;width:20px;height:20px;border-radius:50%;background:var(--success-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23059669'%3E%3Cpath fill-rule='evenodd' d='M16.7 5.3a1 1 0 0 1 0 1.4l-8 8a1 1 0 0 1-1.4 0l-4-4a1 1 0 1 1 1.4-1.4L8 12.6l7.3-7.3a1 1 0 0 1 1.4 0z' clip-rule='evenodd'/%3E%3C/svg%3E") center/14px no-repeat;border:1px solid var(--success-border)}.price-card{padding:40px;border-radius:var(--radius-xl);background:var(--gradient-soft);border:1px solid var(--border);text-align:center;margin:32px 0}.price-big{font-size:3.5rem;font-weight:800;letter-spacing:-.03em;background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.price-note{color:var(--fg-muted);margin-top:8px;font-size:15px}.brand-mark-img{width:32px;height:32px;border-radius:8px;display:block;box-shadow:0 1px 2px #0f172a14}