:root{--dark-navy:#0a0f1e;--light-navy:#1a2035;--accent-cyan:#00f6ff;--accent-magenta:#ff00c1;--text-primary:#e0e0e0;--text-secondary:#a7a9be;--card-bg:rgba(26,32,53,0.6);--border-color:rgba(0,246,255,0.2);--shadow-glow:0 0 15px rgba(0,246,255,0.3)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;position:relative}body{display:flex;flex-direction:column;min-height:100vh;font-family:'Poppins',sans-serif;color:var(--text-primary);line-height:1.6;background-color:var(--dark-navy)}body::before{content:'';position:fixed;top:0;left:0;right:0;bottom:0;z-index:-1;background-repeat:no-repeat;background-size:cover;background-position:center;background-image:radial-gradient(circle at 10% 20%,rgba(0,246,255,0.1) 0%,transparent 30%),radial-gradient(circle at 90% 80%,rgba(255,0,193,0.1) 0%,transparent 30%)}main{flex-grow:1}.container{width:90%;max-width:1200px;margin:0 auto}.features-section,.feedbacks-section,.faq-section,.hero{padding:5rem 0}.section-header{text-align:center;margin-bottom:3rem}.section-header h2{font-family:'Orbitron',sans-serif;font-size:2.5rem;margin-bottom:0.5rem;color:var(--accent-cyan);text-shadow:0 0 10px var(--accent-cyan)}.section-header p{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.main-header{position:sticky;top:0;z-index:1500;padding:1rem 0;background:rgba(10,15,30,0.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color)}.main-header .container,.header-actions{display:flex;align-items:center}.main-header .container{justify-content:space-between}.main-nav{display:flex;gap:2rem}.main-nav a{color:var(--text-secondary);text-decoration:none;font-weight:600;transition:color 0.3s ease,text-shadow 0.3s ease}.main-nav a:hover{color:var(--accent-cyan);text-shadow:0 0 10px var(--accent-cyan)}.header-actions{gap:1rem;z-index:1050}.signin-link{color:var(--text-secondary);text-decoration:none;font-weight:600}.btn{padding:10px 25px;border-radius:5px;text-decoration:none;font-weight:600;transition:all 0.3s ease;border:1px solid transparent;cursor:pointer}.btn-primary{background:linear-gradient(90deg,var(--accent-cyan),var(--accent-magenta));color:#fff;border:none;box-shadow:0 0 20px rgba(0,246,255,0.5)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(255,0,193,0.7)}.btn-secondary{background-color:transparent;color:var(--accent-cyan);border-color:var(--accent-cyan);white-space:nowrap}.btn-secondary:hover{background-color:var(--accent-cyan);color:var(--dark-navy)}.mobile-menu-toggle{display:none}.mobile-menu-content{display:none}@media (max-width:1250px){.main-header .main-nav,.main-header .header-actions{display:none}}@media (max-width:1150px){.main-header .main-nav,.main-header .header-actions{display:none}.mobile-menu-toggle{display:flex;flex-direction:column;justify-content:space-around;width:30px;height:24px;cursor:pointer;z-index:1002;background:none;border:none}.mobile-menu-toggle span{width:100%;height:3px;background-color:white;transition:all 0.3s ease-in-out}.mobile-menu-content{position:fixed;top:0;right:0;width:300px;max-width:80%;height:100%;background-color:#1a202c;z-index:1001;display:flex;flex-direction:column;align-items:flex-start;padding:100px 2rem;gap:1.5rem;transform:translateX(100%);transition:transform 0.3s ease-in-out}.mobile-menu-content.is-active{transform:translateX(0)}.mobile-menu-content .main-nav,.mobile-menu-content .header-actions{display:flex;flex-direction:column;align-items:flex-start;gap:1.5rem;width:100%}.mobile-menu-content a{font-size:1.5rem;text-decoration:none;color:var(--text-primary)}.mobile-menu-content .btn{text-align:center;width:auto;padding:10px 30px}.mobile-menu-toggle.is-active{position:fixed;top:1.5rem;right:5%}.mobile-menu-toggle.is-active span:nth-child(1){transform:translateY(8.5px) rotate(45deg)}.mobile-menu-toggle.is-active span:nth-child(2){opacity:0}.mobile-menu-toggle.is-active span:nth-child(3){transform:translateY(-8.5px) rotate(-45deg)}}@media (max-width:375px){body{font-size:14px;min-height:100vh}.container{width:95%}.features-section,.feedbacks-section,.faq-section,.hero{padding:3rem 0}.section-header{margin-bottom:2rem}.section-header h2{font-size:2rem}.section-header p{font-size:1rem}.logo{font-size:1.25rem}.logo img{width:35px}content{padding-top:80px;gap:1.25rem}.mobile-menu-content a{font-size:1.2rem}.btn{padding:8px 20px;font-size:0.9rem}}.messages{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:10000;width:auto;max-width:90%;list-style:none;padding:0;margin:0}.messages li{display:flex;align-items:center;gap:16px;display:flex;align-items:center;gap:16px;margin-bottom:15px;padding:16px 24px;color:#f0f0f0;background:rgba(18,23,33,0.9);backdrop-filter:blur(10px);border-radius:8px;font-family:'Poppins',sans-serif;font-size:1rem;box-shadow:0 0 15px rgba(0,183,255,0.2),0 4px 20px rgba(0,0,0,0.4);border:1px solid rgba(0,183,255,0.3);animation:slideIn 0.5s ease-out forwards;transition:opacity 0.3s ease,transform 0.3s ease}.messages li::before{font-family:'Font Awesome 6 Free';font-weight:900;margin-right:12px;font-size:1.2rem}.messages li.success{border-left:4px solid #28a745}.messages li.warning{border-left:4px solid #addb05}.messages li.success::before{content:'\f058';color:#28a745}.messages li.error{border-left:4px solid #dc3545}.messages li.error::before{content:'\f06a';color:#dc3545}.messages li.info{border-left:4px solid #17a2b8}.messages li.info::before{content:'\f05a';color:#17a2b8}.messages-close-btn{margin-left:auto;flex-shrink:0;background:rgba(255,255,255,0.15);border:none;font-size:1.25rem;font-weight:bold;cursor:pointer;color:#ffffff;padding:6px 8px;border-radius:6px;transition:background 0.3s ease,transform 0.2s ease}.messages-close-btn:hover{background:rgba(255,255,255,0.3);transform:scale(1.1);color:#000}@keyframes slideIn{from{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}.messages li.fade-out{opacity:0;transform:translateY(-20px)}