:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#3b82f6;--secondary:#475569;--secondary-light:#94a3b8;--accent:#0ea5e9;--light:#f8fafc;--lighter:#ffffff;--dark:#1e293b;--darker:#0f172a;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--gradient:linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);--gradient-light:linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);--shadow:0 4px 12px rgba(0, 0, 0, 0.08);--shadow-lg:0 10px 25px rgba(0, 0, 0, 0.1);--shadow-xl:0 20px 40px rgba(0, 0, 0, 0.12);--radius:12px;--radius-sm:8px;--transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);--transition-slow:all 0.5s cubic-bezier(0.4, 0, 0.2, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'Inter',sans-serif;line-height:1.6;color:var(--dark);background-color:var(--lighter);overflow-x:hidden;font-size:16px}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:1rem;color:var(--darker)}p{margin-bottom:1.5rem}a{color:var(--primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-dark)}ul,ol{margin-left:1.5rem;margin-bottom:1.5rem}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.skip-to-content{position:absolute;top:-40px;left:0;background:var(--primary);color:#fff;padding:8px 16px;border-radius:var(--radius-sm);z-index:9999;text-decoration:none}.skip-to-content:focus{top:10px}header{background-color:rgb(255 255 255 / .98);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgb(0 0 0 / .05);position:sticky;top:0;z-index:1000;padding:16px 0;box-shadow:0 2px 10px rgb(0 0 0 / .03)}.header-container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center}.logo a{font-size:1.75rem;font-weight:800;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:10px}.logo-img{height:40px;width:auto;max-height:40px}.logo-text{font-size:1.75rem}.desktop-nav{display:flex}.desktop-nav ul{display:flex;list-style:none;gap:32px;margin:0}.desktop-nav a{text-decoration:none;color:var(--secondary);font-weight:600;font-size:1rem;transition:var(--transition);position:relative;padding:8px 0}.desktop-nav a:hover,.desktop-nav a.active{color:var(--primary)}.desktop-nav a.active::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--gradient);border-radius:3px}.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;color:var(--dark);cursor:pointer;width:44px;height:44px;border-radius:var(--radius-sm);justify-content:center;align-items:center;transition:var(--transition)}.mobile-menu-btn:hover{background-color:rgb(0 0 0 / .05)}.mobile-nav{display:none;position:fixed;top:0;right:0;width:300px;height:100vh;background:var(--lighter);box-shadow:var(--shadow-xl);z-index:9999;padding:30px 25px;transform:translateX(100%);transition:transform 0.3s ease-in-out;overflow-y:auto}.mobile-nav.active{transform:translateX(0)}.mobile-nav-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.mobile-nav-close{background:none;border:none;font-size:1.5rem;color:var(--dark);cursor:pointer;width:44px;height:44px;border-radius:var(--radius-sm);display:flex;justify-content:center;align-items:center;transition:var(--transition)}.mobile-nav-close:hover{background-color:rgb(0 0 0 / .05)}.mobile-nav ul{list-style:none}.mobile-nav li{margin-bottom:20px}.mobile-nav a{text-decoration:none;color:var(--dark);font-weight:600;font-size:1.2rem;display:block;padding:12px 16px;border-radius:var(--radius-sm);transition:var(--transition)}.mobile-nav a:hover,.mobile-nav a.active{color:var(--primary);background-color:rgb(37 99 235 / .05)}.overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgb(0 0 0 / .5);z-index:9998;backdrop-filter:blur(3px)}.overlay.active{display:block}.hero{background:var(--gradient-light);padding:100px 0;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:70%;height:200%;background:radial-gradient(circle,rgb(37 99 235 / .05) 0%,transparent 70%);z-index:0}.hero-content{display:flex;align-items:center;justify-content:space-between;gap:60px;position:relative;z-index:1}.hero-text{flex:1}.hero-subtitle{display:inline-block;color:var(--primary);font-weight:700;font-size:1rem;margin-bottom:16px;text-transform:uppercase;letter-spacing:1.5px;background:rgb(37 99 235 / .1);padding:8px 16px;border-radius:30px}.hero h1{font-size:3.5rem;font-weight:800;line-height:1.1;margin-bottom:24px;color:var(--darker)}.hero h1 span{color:var(--primary)}.hero p{font-size:1.25rem;color:var(--secondary);margin-bottom:40px;max-width:600px;line-height:1.7}.hero-image{flex:1;display:flex;justify-content:center;align-items:center}.hero-image img{max-width:100%;height:auto;filter:drop-shadow(0 20px 40px rgb(0 0 0 / .1));transform:perspective(1000px) rotateY(-10deg);transition:var(--transition-slow);border-radius:30px}.hero-image img:hover{transform:perspective(1000px) rotateY(0deg)}.cta-button{display:inline-block;background:var(--gradient);color:#fff;padding:18px 36px;border-radius:var(--radius);font-weight:600;font-size:1.125rem;text-decoration:none;transition:var(--transition);border:none;cursor:pointer;box-shadow:var(--shadow);text-align:center}.cta-button:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);color:#fff}.download-buttons{display:flex;gap:20px;margin-top:30px;flex-wrap:wrap}.download-btn{display:inline-flex;align-items:center;gap:12px;background:#fff;color:var(--dark);padding:16px 28px;border-radius:var(--radius);font-weight:600;text-decoration:none;transition:var(--transition);box-shadow:var(--shadow);border:1px solid rgb(0 0 0 / .05)}.download-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);color:var(--dark)}.download-btn i{font-size:1.5rem}.download-btn.apk{background:var(--primary);color:#fff}section{padding:100px 0}.section-title{text-align:center;margin-bottom:60px}.section-title h2{font-size:2.75rem;font-weight:800;color:var(--darker);margin-bottom:16px}.section-title p{font-size:1.25rem;color:var(--secondary);max-width:700px;margin:0 auto}.steps-container{max-width:900px;margin:0 auto}.step-item{display:flex;gap:30px;background:var(--lighter);padding:40px;border-radius:var(--radius);margin-bottom:30px;border:1px solid rgb(0 0 0 / .05);transition:var(--transition);box-shadow:var(--shadow)}.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.step-number{flex-shrink:0;width:60px;height:60px;background:var(--gradient);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.75rem;box-shadow:var(--shadow)}.step-content{flex:1}.step-content h3{font-size:1.75rem;font-weight:700;margin-bottom:12px;color:var(--darker)}.step-content p{color:var(--secondary);line-height:1.7;font-size:1.1rem}.step-content a{color:var(--primary);font-weight:600;text-decoration:none;border-bottom:2px solid #fff0}.step-content a:hover{border-bottom:2px solid var(--primary)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px;margin-top:50px}.feature-card{background:var(--lighter);padding:50px 30px;border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid rgb(0 0 0 / .05);height:100%}.feature-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}.feature-icon{width:80px;height:80px;background:var(--gradient-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 30px;box-shadow:var(--shadow)}.feature-icon i{font-size:2.5rem;color:var(--primary)}.feature-card h3{font-size:1.5rem;font-weight:700;margin-bottom:16px;color:var(--darker)}.feature-card p{color:var(--secondary);line-height:1.7}.cta-section{background:var(--gradient);color:#fff;text-align:center;padding:120px 0;position:relative;overflow:hidden}.cta-section::before{content:'';position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:rgb(255 255 255 / .05);border-radius:50%}.cta-section::after{content:'';position:absolute;bottom:-100px;left:-100px;width:300px;height:300px;background:rgb(255 255 255 / .05);border-radius:50%}.cta-section h2{font-size:3rem;font-weight:800;margin-bottom:20px;color:#fff;position:relative;z-index:1}.cta-section p{font-size:1.3rem;max-width:700px;margin:0 auto 50px;opacity:.9;position:relative;z-index:1}.cta-buttons{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}.cta-button.light{background:#fff;color:var(--primary)}.cta-button.outline{background:#fff0;border:2px solid #fff}.cta-button.outline:hover{background:#fff;color:var(--primary)}.social-share{background:var(--light);padding:80px 0;text-align:center}.social-share h3{font-size:1.1rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--secondary);margin-bottom:40px}.social-icons{display:flex;justify-content:center;gap:30px}.social-icon{width:60px;height:60px;border-radius:50%;background:var(--lighter);display:flex;align-items:center;justify-content:center;color:var(--secondary);font-size:1.5rem;text-decoration:none;transition:var(--transition);box-shadow:var(--shadow)}.social-icon:hover{transform:translateY(-5px);color:#fff}.social-icon.facebook:hover{background:#1877F2}.social-icon.twitter:hover{background:#1DA1F2}.social-icon.google:hover{background:#DB4437}footer{background:var(--darker);color:#fff;padding:80px 0 40px}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:30px;margin-bottom:60px}.footer-logo{font-size:2rem;font-weight:800;color:#fff;text-decoration:none}.footer-links{display:flex;gap:30px}.footer-links a{color:rgb(255 255 255 / .7);text-decoration:none;transition:var(--transition);font-weight:500}.footer-links a:hover{color:#fff}.copyright{text-align:center;padding-top:40px;border-top:1px solid rgb(255 255 255 / .1);color:rgb(255 255 255 / .6);font-size:.95rem;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}.github-link{color:rgb(255 255 255 / .6);text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:var(--transition)}.github-link:hover{color:#fff}@keyframes fadeIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in{opacity:0;animation:fadeIn 0.8s cubic-bezier(.4,0,.2,1) forwards}.delay-1{animation-delay:0.2s}.delay-2{animation-delay:0.4s}.delay-3{animation-delay:0.6s}.delay-4{animation-delay:0.8s}@media (max-width:1100px){.hero h1{font-size:3rem}.section-title h2{font-size:2.5rem}}@media (max-width:992px){.hero-content{flex-direction:column;text-align:center;gap:50px}.hero h1{font-size:2.8rem}.hero p{margin:0 auto 40px}.hero-image img{max-width:80%}.desktop-nav{display:none}.mobile-menu-btn{display:flex}.mobile-nav{display:block}}@media (max-width:768px){section{padding:80px 0}.hero{padding:80px 0}.hero h1{font-size:2.4rem}.hero p{font-size:1.1rem}.section-title h2{font-size:2.2rem}.section-title p{font-size:1.1rem}.step-item{flex-direction:column;text-align:center;gap:20px;padding:30px}.step-number{width:50px;height:50px;font-size:1.5rem;margin:0 auto}.step-content h3{font-size:1.5rem}.download-buttons,.cta-buttons{flex-direction:column;align-items:center}.download-btn,.cta-button{width:100%;max-width:300px;justify-content:center}.footer-content{flex-direction:column;text-align:center}.footer-links{flex-direction:column;gap:15px}.cta-section h2{font-size:2.4rem}.cta-section p{font-size:1.1rem}}@media (max-width:576px){.hero{padding:60px 0}section{padding:60px 0}.hero h1{font-size:2rem}.hero p{font-size:1rem}.section-title h2{font-size:1.8rem}.section-title p{font-size:1rem}.step-item{padding:25px}.feature-card{padding:40px 25px}.cta-section{padding:80px 0}.cta-section h2{font-size:2rem}.cta-section p{font-size:1rem}.mobile-nav{width:100%}.container{padding:0 16px}}@media (max-width:400px){.hero h1{font-size:1.8rem}.logo-text{font-size:1.5rem}.social-icons{gap:20px}.social-icon{width:50px;height:50px;font-size:1.3rem}}@media print{.mobile-menu-btn,.mobile-nav,.social-share,.cta-buttons,.download-buttons{display:none}body{font-size:12pt;line-height:1.5}.container{max-width:100%}section{padding:40px 0}}.footer-content{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;margin-bottom:20px;gap:40px}.footer-brand{display:flex;flex-direction:column;gap:15px}.logo-section{display:flex;align-items:center;gap:10px}.footer-logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:700;text-decoration:none;color:inherit}.devshield-brand{display:flex;align-items:center;gap:8px;color:#666}.by-text{font-size:14px}.devshield-logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:#333;font-weight:600;font-size:16px}.logo{height:32px;width:auto}.devshield-logo .logo{height:24px}.footer-links-container{display:flex;gap:60px}.footer-links-group{display:flex;flex-direction:column;gap:15px}.links-title{font-size:16px;font-weight:600;margin:0;color:#333}.footer-links{display:flex;flex-direction:column;gap:10px}.footer-links a{text-decoration:none;color:#666;transition:color 0.2s;font-size:14px}.footer-links a:hover{color:#333}.copyright{text-align:center;padding-top:20px;border-top:1px solid rgb(0 0 0 / .1);color:#666;font-size:14px}@media (max-width:768px){.footer-content{flex-direction:column;gap:40px}.footer-links-container{width:100%;justify-content:space-between;gap:40px}.footer-brand{align-items:center;text-align:center}}@media (max-width:480px){.footer-links-container{flex-direction:column;gap:30px}.footer-links-group{text-align:center}}