*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8fafc;--surface: #ffffff;--surface2: #f1f5f9;--border: #e2e8f0;--primary: #2563eb;--primary-h: #1d4ed8;--navy: #1e2d4a;--accent: #60a5fa;--text: #0f172a;--text-dim: #475569;--text-muted: #94a3b8;--success: #10b981;--error: #ef4444;--radius: 8px;--radius-lg: 14px;--max: 1080px;--tr: .18s ease}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 1.5rem}.btn{display:inline-block;padding:.7rem 1.6rem;border-radius:var(--radius);font-weight:600;font-size:.95rem;cursor:pointer;border:none;text-align:center;transition:opacity var(--tr),background var(--tr);text-decoration:none}.btn:hover{opacity:.85;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-h);opacity:1}.btn-outline{background:transparent;color:var(--text-dim);border:1px solid var(--border)}.btn-outline:hover{color:var(--text);border-color:var(--text-dim);opacity:1}.btn-outline-light{background:transparent;color:#fffc;border:1px solid rgba(255,255,255,.25)}.btn-outline-light:hover{color:#fff;border-color:#ffffff80;opacity:1}.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--text-dim);opacity:1}.btn-sm{padding:.55rem 1.2rem;font-size:.88rem}.btn:disabled{opacity:.6;cursor:not-allowed}.nav{position:sticky;top:0;z-index:100;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:58px}.nav-brand{display:flex;align-items:center;gap:.6rem}.nav-logo-mark{width:32px;height:32px;background:var(--navy);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.95rem;flex-shrink:0}.nav-logo{font-weight:700;font-size:1.05rem;color:var(--text);letter-spacing:.3px}.nav-cta{background:var(--primary);color:#fff;padding:.42rem 1.1rem;border-radius:var(--radius);font-size:.88rem;font-weight:500;border:none;cursor:pointer;transition:background var(--tr)}.nav-cta:hover{background:var(--primary-h)}.hero{background:var(--navy);padding:6rem 0 5rem;text-align:center}.hero-badge{display:inline-block;background:#ffffff14;color:var(--accent);border:1px solid rgba(96,165,250,.3);border-radius:20px;padding:.3rem 1rem;font-size:.78rem;font-weight:600;letter-spacing:.8px;text-transform:uppercase;margin-bottom:1.75rem}.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;line-height:1.15;letter-spacing:-.5px;margin-bottom:1.25rem;color:#fff}.hero-hi{color:var(--accent)}.hero-sub{font-size:1.08rem;color:#ffffffa6;max-width:600px;margin:0 auto 2.5rem;line-height:1.7}.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.section{padding:5rem 0}.section-alt{background:var(--surface)}.section-title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:.75rem;letter-spacing:-.3px;color:var(--text)}.section-sub{text-align:center;color:var(--text-dim);margin-bottom:3rem;max-width:540px;margin-left:auto;margin-right:auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.features-grid-4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;transition:border-color var(--tr),box-shadow var(--tr)}.feature-card:hover{border-color:var(--primary);box-shadow:0 4px 12px #2563eb14}.feature-icon{font-size:1.8rem;margin-bottom:1rem}.feature-card h3{font-size:1.05rem;font-weight:600;margin-bottom:.5rem}.feature-card p{color:var(--text-dim);font-size:.92rem;line-height:1.65}.pricing-trial-note{text-align:center;background:#2563eb12;border:1px solid rgba(37,99,235,.2);border-radius:var(--radius-lg);padding:1rem 1.5rem;margin-bottom:2.5rem;color:var(--text-dim);font-size:.92rem}.pricing-trial-note strong{color:var(--primary)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;align-items:start}.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;display:flex;flex-direction:column;box-shadow:0 1px 3px #0000000a}.plan-card.highlight{border-color:var(--primary);box-shadow:0 4px 16px #2563eb1a}.plan-top-badge{display:inline-block;background:var(--primary);color:#fff;font-size:.72rem;font-weight:700;padding:.2rem .65rem;border-radius:20px;margin-bottom:1rem}.plan-name{font-size:1.15rem;font-weight:700;margin-bottom:.3rem}.plan-price-row{display:flex;align-items:baseline;gap:.3rem;margin:.5rem 0 1.25rem}.plan-price-amount{font-size:2.4rem;font-weight:800;letter-spacing:-1px}.plan-price-period{font-size:.9rem;color:var(--text-dim)}.plan-features{list-style:none;margin:0 0 1.75rem;flex:1}.plan-features li{color:var(--text-dim);font-size:.88rem;padding:.35rem 0 .35rem 1.4rem;position:relative;border-bottom:1px solid var(--border)}.plan-features li:last-child{border-bottom:none}.plan-features li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:700}.plan-cta{display:block;text-align:center;background:var(--primary);color:#fff;padding:.72rem;border-radius:var(--radius);font-weight:600;font-size:.92rem;cursor:pointer;border:none;transition:background var(--tr)}.plan-cta:hover{background:var(--primary-h)}.pricing-sales{text-align:center;margin-top:2.5rem;color:var(--text-muted);font-size:.88rem}.enterprise-card{margin-top:1.5rem;text-align:center;border-style:dashed}.enterprise-desc{color:var(--text-dim);font-size:.9rem;margin:.5rem 0 1.25rem;line-height:1.6}.enterprise-card .plan-cta{display:inline-block;width:auto;padding:.6rem 1.6rem;text-decoration:none}.form-section{padding:5rem 0 6rem}#register{scroll-margin-top:70px}.form-wrapper{max-width:540px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;box-shadow:0 2px 8px #0000000d}.form-title{font-size:1.5rem;font-weight:700;margin-bottom:.3rem}.form-sub{color:var(--text-dim);font-size:.88rem;margin-bottom:2rem}.steps{display:flex;align-items:center;margin-bottom:2rem}.step-node{display:flex;align-items:center;gap:.45rem}.step-circle{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;flex-shrink:0}.step-circle.done{background:var(--success);color:#fff}.step-circle.active{background:var(--primary);color:#fff}.step-circle.idle{background:var(--surface2);color:var(--text-muted);border:1px solid var(--border)}.step-label{font-size:.75rem;color:var(--text-muted);display:none}@media(min-width:440px){.step-label{display:block}}.step-connector{flex:1;height:1px;background:var(--border);margin:0 6px}.step-connector.done{background:var(--success)}.field{margin-bottom:1.1rem}.field label{display:block;font-size:.83rem;font-weight:500;color:var(--text-dim);margin-bottom:.38rem}.field label .hint{font-weight:400;color:var(--text-muted)}.field input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:.62rem .9rem;color:var(--text);font-size:.93rem;transition:border-color var(--tr)}.field input:focus{outline:none;border-color:var(--primary)}.field input.input-error{border-color:var(--error)}.lang-toggle{display:inline-flex;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.lang-btn{padding:.48rem 1.2rem;background:transparent;border:none;color:var(--text-muted);font-size:.88rem;font-weight:500;cursor:pointer;transition:all var(--tr)}.lang-btn.active{background:var(--primary);color:#fff}.step-hint{color:var(--text-dim);font-size:.87rem;margin-bottom:1.1rem}.topics-loading{color:var(--text-muted);font-size:.88rem;padding:1rem 0}.topics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.6rem}.topic-label{display:flex;align-items:center;gap:.5rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:.48rem .75rem;cursor:pointer;transition:border-color var(--tr),background var(--tr);-webkit-user-select:none;user-select:none}.topic-label.checked{border-color:var(--primary);background:#2563eb14}.topic-label input{display:none}.topic-label span{font-size:.83rem;color:var(--text-dim)}.topic-label.checked span{color:var(--text)}.trial-note{background:#2563eb12;border:1px solid rgba(37,99,235,.2);border-radius:var(--radius);padding:.75rem 1rem;font-size:.83rem;color:var(--text-dim);margin-bottom:1.25rem}.trial-note strong{color:var(--primary)}.plan-options{display:flex;flex-direction:column;gap:.7rem}.plan-option-label{display:flex;align-items:center;gap:.9rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:.95rem 1.15rem;cursor:pointer;transition:border-color var(--tr),background var(--tr)}.plan-option-label.selected{border-color:var(--primary);background:#2563eb0f}.plan-option-label input{display:none}.plan-option-info{flex:1}.plan-option-name{font-weight:600;font-size:.93rem}.plan-option-sub{font-size:.78rem;color:var(--text-muted);margin-top:.1rem}.plan-option-price-col{text-align:right}.plan-option-price-main{font-weight:700;font-size:.97rem}.plan-option-price-sub{font-size:.75rem;color:var(--text-muted)}.plan-popular-badge{background:var(--primary);color:#fff;font-size:.68rem;font-weight:700;padding:.15rem .5rem;border-radius:4px;white-space:nowrap;flex-shrink:0}.form-actions{display:flex;justify-content:space-between;align-items:center;margin-top:1.75rem;padding-top:1.25rem;border-top:1px solid var(--border)}.form-error{color:var(--error);font-size:.83rem;margin-top:.6rem}.spinner{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .65s linear infinite;vertical-align:middle;margin-right:.45rem}@keyframes spin{to{transform:rotate(360deg)}}.checkout-pending{text-align:center;padding:2rem 0}.checkout-pending .ci{font-size:2.8rem;margin-bottom:1rem}.checkout-pending h3{font-size:1.25rem;margin-bottom:.5rem}.checkout-pending p{color:var(--text-dim);font-size:.88rem;margin-bottom:.5rem}.footer{border-top:1px solid var(--border);padding:2.5rem 0;background:var(--navy)}.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:2rem}.footer-brand{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.footer-logo-mark{width:24px;height:24px;background:#ffffff26;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.72rem}.footer-brand-name{font-weight:600;font-size:.9rem;color:#fff}.footer-copy{color:#ffffff73;font-size:.8rem}.footer-col{display:flex;flex-direction:column;gap:.4rem}.footer-col-title{color:#ffffffb3;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.25rem}.footer-links{display:flex;flex-direction:column;gap:.4rem}.footer-links a{color:#ffffff8c;font-size:.82rem}.footer-links a:hover{color:#fff;text-decoration:none}.stats-bar{background:var(--surface);border-bottom:1px solid var(--border);padding:2rem 0}.stats-grid{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap}.stat-item{text-align:center}.stat-value{font-size:1.5rem;font-weight:800;color:var(--primary);letter-spacing:-.5px}.stat-label{font-size:.82rem;color:var(--text-muted);margin-top:.15rem}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}@media(max-width:700px){.steps-grid{grid-template-columns:1fr}}.step-card{text-align:center;position:relative}.step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--primary);color:#fff;border-radius:50%;font-size:1.15rem;font-weight:700;margin-bottom:1.25rem}.step-card h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;color:var(--text)}.step-card p{color:var(--text-dim);font-size:.9rem;line-height:1.65;max-width:280px;margin:0 auto}.step-arrow{display:none}@media(min-width:701px){.step-arrow{display:block;position:absolute;right:-1.25rem;top:24px;font-size:1.4rem;color:var(--text-muted)}}.audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}.audience-card{display:flex;align-items:flex-start;gap:1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem 1.5rem;transition:border-color var(--tr)}.audience-card:hover{border-color:var(--primary)}.audience-icon{font-size:1.4rem;flex-shrink:0;margin-top:.15rem}.audience-card strong{font-size:.95rem;color:var(--text);display:block;margin-bottom:.2rem}.audience-card p{color:var(--text-dim);font-size:.85rem;line-height:1.5;margin:0}.faq-list{max-width:700px;margin:0 auto}.faq-item{border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:.75rem;background:var(--surface);overflow:hidden;transition:border-color var(--tr)}.faq-item.open{border-color:var(--primary)}.faq-q{display:flex;align-items:center;justify-content:space-between;width:100%;padding:1rem 1.25rem;background:none;border:none;cursor:pointer;font-size:.95rem;font-weight:600;color:var(--text);text-align:left}.faq-q:hover{color:var(--primary)}.faq-toggle{font-size:1.3rem;color:var(--text-muted);flex-shrink:0;margin-left:1rem}.faq-a{padding:0 1.25rem 1rem;color:var(--text-dim);font-size:.9rem;line-height:1.7}@media(max-width:640px){.hero{padding:4rem 0 3.5rem}.stats-grid{gap:1.5rem}.section{padding:3.5rem 0}}.legal-wrap{max-width:760px;margin:0 auto;padding:3.5rem 1.5rem 5rem}.legal-back{display:inline-flex;align-items:center;gap:.4rem;color:var(--text-muted);font-size:.83rem;margin-bottom:2rem}.legal-back:hover{color:var(--text);text-decoration:none}.legal-wrap h1{font-size:2rem;font-weight:700;margin-bottom:.4rem}.legal-date{color:var(--text-muted);font-size:.83rem;margin-bottom:2.5rem}.legal-wrap h2{font-size:1.1rem;font-weight:600;margin:2rem 0 .6rem;color:var(--text-dim)}.legal-wrap p{color:var(--text-dim);font-size:.92rem;line-height:1.75;margin-bottom:.85rem}.legal-wrap ul{color:var(--text-dim);font-size:.92rem;padding-left:1.5rem;margin-bottom:.85rem}.legal-wrap ul li{margin-bottom:.35rem;line-height:1.7}