:root{--fb-primary: #1976d2;--fb-primary-dark: #1565c0;--fb-primary-light: #64b5f6;--fb-secondary: #2d3748;--fb-accent: #f59e0b;--fb-bg: #ffffff;--fb-bg-alt: #f8fafc;--fb-bg-dark: #0f172a;--fb-text: #1e293b;--fb-text-muted: #64748b;--fb-text-light: #94a3b8;--fb-border: #e2e8f0;--fb-success: #059669;--fb-error: #dc2626;--fb-radius: 8px;--fb-radius-lg: 16px;--fb-shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--fb-shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--fb-shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--fb-max-width: 1200px;--fb-font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--fb-font);line-height:1.6;color:var(--fb-text);-webkit-font-smoothing:antialiased}body{background:var(--fb-bg)}img{max-width:100%;display:block}a{color:var(--fb-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--fb-max-width);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(12px);border-bottom:1px solid var(--fb-border);height:64px;display:flex;align-items:center}.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%}.site-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--fb-primary);text-decoration:none}.site-logo img{width:32px;height:32px}.site-nav{display:flex;align-items:center;gap:28px}.site-nav a{color:var(--fb-text-muted);font-weight:500;font-size:.95rem;text-decoration:none;transition:color .15s}.site-nav a:hover{color:var(--fb-text);text-decoration:none}.nav-cta{background:var(--fb-primary)!important;color:#fff!important;padding:8px 20px;border-radius:var(--fb-radius);font-weight:600;transition:background .15s,transform .1s}.nav-cta:hover{background:var(--fb-primary-dark)!important;transform:translateY(-1px)}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;z-index:110;flex-direction:column;gap:5px}.nav-toggle-bar{display:block;width:22px;height:2px;background:var(--fb-text);border-radius:2px;transition:transform .25s,opacity .25s}.nav-toggle.active .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.active .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle.active .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hero{padding:96px 0 80px;text-align:center;background:linear-gradient(135deg,#f0f7ff,#fafbff,#f5f3ff);border-bottom:1px solid var(--fb-border)}.hero-logo{width:80px;height:80px;margin:0 auto 32px}.hero h1{font-size:3.2rem;font-weight:800;line-height:1.15;letter-spacing:-.03em;color:var(--fb-text);margin-bottom:20px;max-width:720px;margin-left:auto;margin-right:auto}.hero h1 span{background:linear-gradient(135deg,var(--fb-primary) 0%,#7c3aed 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:1.25rem;color:var(--fb-text-muted);max-width:600px;margin:0 auto 40px;line-height:1.7}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--fb-radius);font-weight:600;font-size:1rem;text-decoration:none;transition:transform .12s,box-shadow .12s,background .15s;cursor:pointer;border:none}.btn:hover{text-decoration:none}.btn-primary{background:var(--fb-primary);color:#fff;box-shadow:0 2px 8px #1976d24d}.btn-primary:hover{background:var(--fb-primary-dark);transform:translateY(-2px);box-shadow:0 4px 16px #1976d259}.btn-outline{background:#fff;color:var(--fb-text);border:1px solid var(--fb-border)}.btn-outline:hover{border-color:var(--fb-primary);color:var(--fb-primary);transform:translateY(-2px);box-shadow:var(--fb-shadow-sm)}.section{padding:80px 0}.section-alt{background:var(--fb-bg-alt)}.section-header{text-align:center;margin-bottom:56px}.section-header h2{font-size:2.2rem;font-weight:700;letter-spacing:-.02em;margin-bottom:12px}.section-header p{font-size:1.1rem;color:var(--fb-text-muted);max-width:560px;margin:0 auto}.feature-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}.feature-column h3{font-size:1.15rem;font-weight:700;margin-bottom:24px;color:var(--fb-primary);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem}.feature-item{display:flex;gap:14px;margin-bottom:20px}.feature-icon{flex-shrink:0;width:36px;height:36px;border-radius:var(--fb-radius);background:#eff6ff;display:flex;align-items:center;justify-content:center;font-size:1.1rem}.feature-text h4{font-size:.95rem;font-weight:600;margin-bottom:2px;color:var(--fb-text)}.feature-text p{font-size:.88rem;color:var(--fb-text-muted);line-height:1.5}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:0 auto}.pricing-card{background:#fff;border:1px solid var(--fb-border);border-radius:var(--fb-radius-lg);padding:36px 28px;text-align:center;transition:transform .15s,box-shadow .15s}.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--fb-shadow-md)}.pricing-card.featured{border:2px solid var(--fb-primary);box-shadow:var(--fb-shadow-md);position:relative}.pricing-card.featured:before{content:"Popular";position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--fb-primary);color:#fff;padding:2px 16px;border-radius:12px;font-size:.8rem;font-weight:600}.plan-name{font-size:1.3rem;font-weight:700;margin-bottom:8px}.plan-price{font-size:2.8rem;font-weight:800;color:var(--fb-primary);line-height:1.1}.plan-period{font-size:.85rem;color:var(--fb-text-muted);margin-bottom:24px;display:block}.plan-features{list-style:none;text-align:left;margin:0 0 28px;padding:0}.plan-features li{padding:6px 0;font-size:.9rem;color:var(--fb-text-muted);display:flex;align-items:center;gap:8px}.plan-features li:before{content:"✓";color:var(--fb-success);font-weight:700;font-size:.85rem}.btn-block{display:block;width:100%;text-align:center}.site-footer{padding:40px 0;border-top:1px solid var(--fb-border);background:var(--fb-bg-alt)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-links{display:flex;gap:24px}.footer-links a{color:var(--fb-text-muted);font-size:.9rem;text-decoration:none}.footer-links a:hover{color:var(--fb-text)}.footer-copy{color:var(--fb-text-light);font-size:.85rem}@media (max-width: 768px){.hero{padding:64px 0 56px}.hero h1{font-size:2.2rem}.hero-sub{font-size:1.05rem}.hero-actions{flex-direction:column;align-items:center}.section{padding:56px 0}.feature-columns{grid-template-columns:1fr;gap:40px}.pricing-grid{grid-template-columns:1fr;max-width:400px}.nav-toggle{display:flex}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fffffffa;backdrop-filter:blur(12px);border-bottom:1px solid var(--fb-border);flex-direction:column-reverse;padding:16px 24px;gap:0;box-shadow:var(--fb-shadow-md)}.site-nav.open{display:flex}.site-nav a{padding:12px 0;border-bottom:1px solid var(--fb-border);font-size:1rem}.site-nav a:first-child{border-bottom:none}.site-nav .nav-cta{margin-bottom:8px;text-align:center;padding:12px 20px}.footer-inner{flex-direction:column;text-align:center}.footer-links{justify-content:center}}@media (max-width: 480px){.hero h1{font-size:1.8rem}.container{padding:0 16px}}