*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4F46E5;--primary-dark: #4338CA;--primary-light: #818CF8;--accent: #06B6D4;--success: #10B981;--error: #EF4444;--bg: #FAFBFF;--surface: #FFFFFF;--text: #1E293B;--text-muted: #64748B;--border: #E2E8F0;--radius: 12px;--radius-lg: 20px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 40px rgba(79,70,229,.12), 0 4px 12px rgba(0,0,0,.06)}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#fafbffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-size:24px;font-weight:800;color:var(--primary);text-decoration:none;letter-spacing:-.5px}.nav-links{display:flex;gap:32px}.nav-link{color:var(--text-muted);text-decoration:none;font-size:15px;font-weight:500;transition:color .2s}.nav-link:hover{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:var(--radius);font-size:16px;font-weight:600;text-decoration:none;transition:all .2s;cursor:pointer;border:none;font-family:inherit}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px #4f46e54d}.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 16px #4f46e566;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{border-color:var(--primary-light);color:var(--primary)}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-lg{padding:16px 36px;font-size:17px;border-radius:14px}.btn-full{width:100%}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:120px 24px 80px}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.hero-circle{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;animation:float 20s ease-in-out infinite}.hero-circle-1{width:600px;height:600px;background:var(--primary-light);top:-200px;right:-100px;animation-delay:0s}.hero-circle-2{width:400px;height:400px;background:var(--accent);bottom:-100px;left:-50px;animation-delay:-7s}.hero-circle-3{width:300px;height:300px;background:#a78bfa;top:50%;left:50%;animation-delay:-14s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.95)}}.hero-content{position:relative;z-index:1;text-align:center;max-width:720px}.hero-title{font-size:clamp(40px,6vw,72px);font-weight:800;line-height:1.1;letter-spacing:-2px;margin-bottom:24px}.gradient-text{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(16px,2vw,20px);color:var(--text-muted);line-height:1.7;margin-bottom:40px;max-width:560px;margin-left:auto;margin-right:auto}.hero-actions{display:flex;gap:16px;justify-content:center;margin-bottom:60px;flex-wrap:wrap}.hero-stats{display:flex;gap:48px;justify-content:center;flex-wrap:wrap}.stat{display:flex;flex-direction:column;align-items:center}.stat-number{font-size:32px;font-weight:800;color:var(--primary);letter-spacing:-1px}.stat-label{font-size:14px;color:var(--text-muted);font-weight:500;margin-top:4px}.section-inner{max-width:1200px;margin:0 auto;padding:0 24px}.section-title{font-size:clamp(28px,4vw,42px);font-weight:800;text-align:center;letter-spacing:-1px;margin-bottom:8px}.section-subtitle{font-size:18px;color:var(--text-muted);text-align:center;margin-bottom:56px}.features{padding:100px 0;background:var(--surface)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.feature-card{padding:32px;border-radius:var(--radius-lg);border:1px solid var(--border);transition:all .3s;background:var(--bg)}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--primary-light)}.feature-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:#fff}.feature-icon svg{width:24px;height:24px}.feature-title{font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:-.3px}.feature-desc{color:var(--text-muted);font-size:15px;line-height:1.6}.how-it-works{padding:100px 0}.steps{display:flex;align-items:flex-start;justify-content:center;gap:0;flex-wrap:wrap}.step{flex:1;min-width:220px;max-width:320px;text-align:center;padding:24px}.step-number{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 4px 16px #4f46e54d}.step-connector{width:60px;height:2px;background:linear-gradient(90deg,var(--primary-light),var(--accent));margin-top:50px;flex-shrink:0;border-radius:1px}.step-title{font-size:20px;font-weight:700;margin-bottom:10px}.step-desc{color:var(--text-muted);font-size:15px;line-height:1.6}.cta-section{padding:80px 0 100px}.cta-card{background:linear-gradient(135deg,var(--primary),#6366F1,var(--accent));border-radius:var(--radius-lg);padding:64px 48px;text-align:center;color:#fff;position:relative;overflow:hidden}.cta-card:before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;border-radius:50%;background:#ffffff14}.cta-card:after{content:"";position:absolute;bottom:-30%;left:-10%;width:300px;height:300px;border-radius:50%;background:#ffffff0d}.cta-title{font-size:clamp(28px,4vw,38px);font-weight:800;margin-bottom:16px;position:relative;z-index:1;letter-spacing:-.5px}.cta-desc{font-size:17px;opacity:.9;max-width:560px;margin:0 auto 32px;line-height:1.7;position:relative;z-index:1}.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}.cta-actions .btn-primary{background:#fff;color:var(--primary);box-shadow:0 4px 16px #00000026}.cta-actions .btn-primary:hover{background:#f0efff;transform:translateY(-2px)}.cta-actions .btn-outline{border-color:#ffffff80;color:#fff}.cta-actions .btn-outline:hover{background:#ffffff26;border-color:#fff}.footer{background:var(--surface);border-top:1px solid var(--border);padding:48px 0 32px}.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;text-align:center}.footer-logo{font-size:22px;font-weight:800;color:var(--primary)}.footer-tagline{color:var(--text-muted);font-size:14px;margin-top:4px;margin-bottom:24px}.footer-links{display:flex;gap:32px;justify-content:center;margin-bottom:32px}.footer-links a{color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}.footer-links a:hover{color:var(--primary)}.footer-bottom p{color:var(--text-muted);font-size:13px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#eef2ff,#f0fdfa)}.auth-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:48px 40px;width:100%;max-width:440px;text-align:center}.auth-logo{font-size:28px;font-weight:800;color:var(--primary);text-decoration:none;display:block;margin-bottom:32px;letter-spacing:-.5px}.auth-state{display:flex;flex-direction:column;align-items:center}.auth-title{font-size:24px;font-weight:700;margin-bottom:8px;letter-spacing:-.3px}.auth-message{color:var(--text-muted);font-size:15px;line-height:1.6}.status-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.status-icon svg{width:32px;height:32px}.status-success{background:#ecfdf5;color:var(--success)}.status-error{background:#fef2f2;color:var(--error)}.status-info{background:#eef2ff;color:var(--primary)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:20px}@keyframes spin{to{transform:rotate(360deg)}}.auth-form{margin-top:24px;text-align:left;width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}.form-group input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;font-family:inherit;background:var(--bg);color:var(--text);transition:border-color .2s,box-shadow .2s;outline:none}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-group input::placeholder{color:#94a3b8}.form-error{color:var(--error);font-size:14px;margin-bottom:12px;text-align:center}@media(max-width:768px){.nav-links{display:none}.hero{padding:100px 20px 60px}.hero-stats{gap:32px}.step-connector{display:none}.steps{flex-direction:column;align-items:center}.cta-card{padding:48px 24px}.auth-card{padding:36px 24px}}@media(max-width:480px){.hero-actions,.cta-actions{flex-direction:column;align-items:center}}