*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--primary-dark: #1e40af;--secondary-color: #64748b;--text-color: #1e293b;--text-light: #64748b;--bg-color: #ffffff;--bg-light: #f8fafc;--border-color: #e2e8f0;--success-color: #10b981;--shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)}body{font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--bg-color)}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.navbar{background:var(--bg-color);box-shadow:var(--shadow);position:sticky;top:0;z-index:1000;padding:1rem 0}.navbar .container{display:flex;justify-content:space-between;align-items:center}.nav-brand h1{font-size:1.5rem;color:var(--primary-color);font-weight:700}.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}.nav-menu a{text-decoration:none;color:var(--text-color);font-weight:500;transition:color 0.3s}.nav-menu a:hover{color:var(--primary-color)}.mobile-menu-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:0.5rem}.mobile-menu-toggle span{width:25px;height:2px;background:var(--text-color);transition:all 0.3s}.btn-primary,.btn-secondary{display:inline-block;padding:0.75rem 1.5rem;border-radius:0.5rem;text-decoration:none;font-weight:600;transition:all 0.3s;border:none;cursor:pointer;text-align:center}.btn-primary{background:var(--primary-color);color:white}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-light);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--border-color)}.btn-large{padding:1rem 2rem;font-size:1.1rem}.btn-block{display:block;width:100%}.hero{position:relative;color:white;padding:5rem 0;text-align:center;overflow:hidden;min-height:600px;display:flex;align-items:center}.hero-slider{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.hero-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1s ease-in-out;background-size:cover;background-position:center;background-repeat:no-repeat;background-color:#667eea}.hero-slide.active{opacity:1}.slide-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.3)}.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;padding:0 1.5rem}.hero-navigation{position:absolute;top:50%;transform:translateY(-50%);width:100%;z-index:3;display:flex;justify-content:space-between;padding:0 2rem;pointer-events:none}.hero-nav-btn{background:rgba(255,255,255,0.2);border:2px solid rgba(255,255,255,0.5);color:white;width:50px;height:50px;border-radius:50%;font-size:2rem;cursor:pointer;transition:all 0.3s;pointer-events:all;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(10px)}.hero-nav-btn:hover{background:rgba(255,255,255,0.3);border-color:rgba(255,255,255,0.8);transform:scale(1.1)}.hero-indicators{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:0.75rem}.hero-indicator{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.4);border:2px solid rgba(255,255,255,0.6);cursor:pointer;transition:all 0.3s}.hero-indicator.active{background:white;border-color:white;transform:scale(1.2)}.hero-title{font-size:2.5rem;font-weight:700;margin-bottom:1.5rem;line-height:1.2}.hero-subtitle{font-size:1.25rem;margin-bottom:2rem;opacity:0.95;line-height:1.6}.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.hero-buttons .btn-primary{background:white;color:var(--primary-color)}.hero-buttons .btn-primary:hover{background:var(--bg-light)}.hero-buttons .btn-secondary{background:transparent;color:white;border:2px solid white}.hero-buttons .btn-secondary:hover{background:rgba(255,255,255,0.1)}section{padding:5rem 0}.section-title{font-size:2.25rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-color)}.section-subtitle{text-align:center;font-size:1.125rem;color:var(--text-light);margin-bottom:3rem}.features{background:var(--bg-light)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:2rem;margin-top:3rem}.feature-card{background:white;padding:2rem;border-radius:0.75rem;box-shadow:var(--shadow);transition:transform 0.3s, box-shadow 0.3s;text-align:center}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature-card h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-color)}.feature-card p{color:var(--text-light);line-height:1.7}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));gap:2rem;margin-top:3rem;max-width:1000px;margin-left:auto;margin-right:auto}.pricing-card{background:white;border:2px solid var(--border-color);border-radius:0.75rem;padding:2rem;position:relative;transition:transform 0.3s, box-shadow 0.3s}.pricing-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.pricing-card.featured{border-color:var(--primary-color);box-shadow:var(--shadow-lg)}.popular-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary-color);color:white;padding:0.5rem 1rem;border-radius:1rem;font-size:0.875rem;font-weight:600}.pricing-header{text-align:center;margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--border-color)}.pricing-header h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-color)}.pricing-price{display:flex;align-items:baseline;justify-content:center;gap:0.5rem}.price-amount{font-size:3rem;font-weight:700;color:var(--text-color)}.price-period{font-size:1.125rem;color:var(--text-light)}.pricing-features{list-style:none;margin-bottom:2rem}.pricing-features li{padding:0.75rem 0;color:var(--text-color);border-bottom:1px solid var(--bg-light)}.pricing-features li:last-child{border-bottom:none}.trial-badge{display:block;text-align:center;font-size:0.875rem;color:var(--success-color);margin-top:0.5rem;font-weight:500}.security{background:var(--bg-light)}.security-content{max-width:800px;margin:0 auto}.security-text p{font-size:1.125rem;color:var(--text-light);margin-bottom:2rem;line-height:1.8}.security-features{list-style:none;display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:1rem}.security-features li{padding:1rem;background:white;border-radius:0.5rem;box-shadow:var(--shadow);font-weight:500}.cta{background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white;text-align:center}.cta-content h2{font-size:2.25rem;margin-bottom:1rem}.cta-content p{font-size:1.25rem;margin-bottom:2rem;opacity:0.95}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-buttons .btn-primary{background:white;color:var(--primary-color)}.cta-buttons .btn-primary:hover{background:var(--bg-light)}.cta-buttons .btn-secondary{background:transparent;color:white;border:2px solid white}.cta-buttons .btn-secondary:hover{background:rgba(255,255,255,0.1)}.footer{background:var(--text-color);color:white;padding:3rem 0 1.5rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{margin-bottom:1rem;color:var(--primary-color)}.footer-section h4{margin-bottom:1rem;font-size:1.125rem}.footer-section p{color:rgba(255,255,255,0.7);line-height:1.7}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:0.5rem}.footer-section ul li a{color:rgba(255,255,255,0.7);text-decoration:none;transition:color 0.3s}.footer-section ul li a:hover{color:white}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.7)}@media (max-width: 768px){.mobile-menu-toggle{display:flex}.nav-menu{position:fixed;top:70px;left:0;right:0;background:white;flex-direction:column;padding:2rem;box-shadow:var(--shadow-lg);transform:translateX(-100%);transition:transform 0.3s;gap:1rem}.nav-menu.active{transform:translateX(0)}.hero{min-height:500px}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.125rem}.hero-navigation{padding:0 1rem}.hero-nav-btn{width:40px;height:40px;font-size:1.5rem}.hero-indicators{bottom:1rem}.section-title{font-size:1.75rem}.features-grid,.pricing-grid{grid-template-columns:1fr}.hero-buttons,.cta-buttons{flex-direction:column}.hero-buttons a,.cta-buttons a{width:100%}.security-features{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr}}@media (max-width: 480px){.container{padding:0 1rem}.hero{padding:3rem 0}section{padding:3rem 0}.hero{min-height:450px;padding:3rem 0}.hero-title{font-size:1.75rem}.hero-nav-btn{width:35px;height:35px;font-size:1.25rem}.hero-navigation{padding:0 0.5rem}.section-title{font-size:1.5rem}.price-amount{font-size:2.5rem}}html{scroll-behavior:smooth}a:focus,button:focus{outline:2px solid var(--primary-color);outline-offset:2px}