:root{--primary-gradient: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);--secondary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--accent-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);--dark-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);--text-dark: #2c3e50;--text-light: #718096;--bg-light: #f8fafc;--white: #ffffff;--shadow: 0 20px 40px rgba(0, 0, 0, .1);--shadow-hover: 0 30px 60px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-dark);overflow-x:hidden}ul,ol{list-style:none;padding-left:0}li{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 32px #0000001a;position:fixed;width:100%;top:0;z-index:1000;transition:all .3s ease}header.scrolled{background:#fffffffa;box-shadow:0 4px 20px 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h1{font-size:2.5rem}.hero-stats{grid-template-columns:1fr;gap:1rem}.section-title{font-size:2.2rem}.plans-grid{grid-template-columns:1fr}.plan-card.featured{transform:none}.case-grid{grid-template-columns:1fr}.cta-content h2{font-size:2rem}.cta-buttons{flex-direction:column;align-items:center}.ai-features-grid,.calculator-form{grid-template-columns:1fr}.trial-features{grid-template-columns:repeat(2,1fr)}.roi-metric{margin:.5rem;min-width:120px}.roi-number{font-size:2rem}.benefits-grid{grid-template-columns:1fr}.not-found-content h1{font-size:5rem}}@media(max-width:480px){.trial-features{grid-template-columns:1fr}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.cert-header{background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 2px 20px #00000014;position:fixed;width:100%;top:0;z-index:1000;transition:all .3s ease}.cert-header.scrolled{box-shadow:0 4px 30px #0000001f}.cert-header 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h1{font-size:3.2rem;font-weight:900;line-height:1.1;margin-bottom:1.2rem}.cert-subtitle{font-size:1.15rem;opacity:.9;line-height:1.7;margin-bottom:1.5rem}.cert-trust-row{display:flex;gap:1.5rem;margin-bottom:2rem;flex-wrap:wrap}.trust-item{display:flex;align-items:center;gap:6px;font-size:.9rem;opacity:.9}.trust-item i{color:#68d391}.cert-hero-stats{display:flex;gap:2rem;margin-bottom:2rem}.cert-stat{text-align:center}.cert-stat-number{font-size:2rem;font-weight:900;color:#fbd38d}.cert-stat-label{font-size:.8rem;opacity:.8}.cert-hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn-cert-primary{background:var(--primary-gradient);color:#fff;padding:14px 28px;border:none;border-radius:10px;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 25px #ff6b3559}.btn-cert-primary:hover{transform:translateY(-2px);box-shadow:0 12px 35px #ff6b3573}.btn-cert-primary.btn-sm{padding:10px 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