:root{--bg: #f8fafd;--panel: #ffffff;--panel-2: #fafbff;--line: #e2e8f4;--text: #111827;--muted: #6b7280;--primary: #4f46e5;--primary-dark: #4338ca;--primary-light: #eef2ff;--success: #059669;--danger: #dc2626;--warning: #d97706;--radius: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04)}*,*:before,*:after{box-sizing:border-box;margin:0}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.container{width:min(1120px,90vw);margin:0 auto}.section{padding:80px 0}.section-header{text-align:center;margin-bottom:48px}.section-header h2{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;letter-spacing:-.02em;line-height:1.15}.section-subtitle{color:var(--muted);font-size:1.05rem;max-width:600px;margin:12px auto 0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes toast-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:none}}@keyframes toast-out{0%{opacity:1}to{opacity:0;transform:translate(24px)}}.top-strip{background:var(--primary);color:#fff;font-size:.8rem;font-weight:500;padding:8px 0;text-align:center;letter-spacing:.02em}.header{position:sticky;top:0;z-index:100;background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:8px;font-size:1.1rem;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-.02em}.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px #4f46e526}.nav{display:flex;gap:32px}.nav a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}.nav a:hover{color:var(--primary)}.header-cta{display:flex;gap:8px}.menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);width:40px;height:40px;border-radius:10px;font-size:18px;cursor:pointer}.mobile-menu{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:600;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;text-decoration:none;transition:all .2s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 3px #4f46e54d}.btn-primary:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 4px 12px #4f46e54d;transform:translateY(-1px)}.btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}.btn-ghost:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.hero{text-align:center;padding:80px 0 40px;animation:fadeInUp .6s ease}.hero-badge{display:inline-block;font-size:.82rem;font-weight:500;color:var(--primary);background:var(--primary-light);border:1px solid rgba(79,70,229,.15);border-radius:999px;padding:6px 16px;margin-bottom:20px}.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-bottom:16px}.hero>p{color:var(--muted);font-size:1.1rem;max-width:560px;margin:0 auto}.hero-actions{margin-top:28px;display:flex;justify-content:center;gap:12px}.hero-metrics{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:640px;margin-left:auto;margin-right:auto}.hero-metrics article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 16px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.hero-metrics article:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.hero-metrics strong{display:block;font-size:1.5rem;font-weight:800;color:var(--primary)}.hero-metrics span{color:var(--muted);font-size:.85rem}.checker-tabs{display:flex;gap:4px;background:#f1f5f9;border-radius:var(--radius);padding:4px;margin-bottom:20px;max-width:320px;margin-left:auto;margin-right:auto}.checker-tabs .tab-btn{flex:1;text-align:center;padding:10px 16px;border-radius:8px;border:none;font-weight:600;font-size:.9rem;cursor:pointer;background:transparent;color:var(--muted);transition:all .2s}.checker-tabs .tab-btn.active{background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}.checker-tabs .tab-btn:hover:not(.active){color:var(--text)}.checker-panel{max-width:680px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}.panel h3{font-size:1.2rem;font-weight:700;margin-bottom:8px}.panel h2{margin-bottom:12px}input,textarea,select{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);padding:12px 14px;font-size:.9rem;transition:border-color .2s,box-shadow .2s}textarea{resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}input::placeholder,textarea::placeholder{color:#9ca3af}.form-row{display:flex;gap:10px}.form-row input{flex:1}.bulk-actions{display:flex;align-items:center;gap:12px;margin-top:12px}.email-count{color:var(--muted);font-size:.85rem;font-weight:500;margin-left:auto}.file-btn{cursor:pointer}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.summary-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}.summary-grid article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-align:center;transition:box-shadow .2s}.summary-grid article:hover{box-shadow:var(--shadow)}.summary-grid strong{display:block;font-size:1.3rem;font-weight:800}.summary-grid span{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;font-weight:500}.results-tabs{display:flex;gap:6px;margin-bottom:16px}.tab-btn{padding:8px 14px;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s}.tab-btn:hover:not(.active){border-color:var(--primary);color:var(--primary)}.tab-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.results-toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;align-items:center}.toolbar-group{display:flex;align-items:center;gap:6px}.toolbar-search{flex:1;min-width:200px}.toolbar-search input{max-width:320px;padding:8px 12px}.toolbar-group label{color:var(--muted);font-size:.82rem;font-weight:500;white-space:nowrap}.toolbar-group select{border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text);padding:8px 12px;font-size:.85rem}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:700px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:.88rem}th{color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}tbody tr{transition:background .15s}tbody tr:hover{background:#4f46e505}.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:600;border:1px solid transparent}.tone-valid{background:#ecfdf5;color:#065f46;border-color:#a7f3d0}.tone-invalid{background:#fef2f2;color:#991b1b;border-color:#fecaca}.tone-risky{background:#fffbeb;color:#92400e;border-color:#fde68a}.tone-unknown{background:#f9fafb;color:#4b5563;border-color:#e5e7eb}.pagination-wrap{margin-top:16px;display:flex;justify-content:space-between;align-items:center}.pagination-actions{display:flex;gap:8px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;transition:transform .25s,box-shadow .25s,border-color .25s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#4f46e533}.feature-icon{font-size:1.5rem;display:block;margin-bottom:12px}.feature-card h4{font-size:1rem;font-weight:700;margin-bottom:8px}.feature-card p{color:var(--muted);font-size:.9rem;margin:0;line-height:1.6}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.how-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;text-align:center;transition:transform .25s,box-shadow .25s}.how-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.how-card h4{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--primary)}.how-card p{color:var(--muted);font-size:.9rem;margin:0}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}.price-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 28px;display:flex;flex-direction:column;position:relative;transition:transform .25s,box-shadow .25s}.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.price-card.featured{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),var(--shadow-lg)}.price-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;border-radius:999px;font-size:.72rem;font-weight:700;padding:4px 14px;white-space:nowrap}.price-card h4{font-size:1.1rem;font-weight:700;margin-bottom:4px}.price{font-size:2.2rem;font-weight:800;margin-bottom:16px}.price span{font-size:.9rem;color:var(--muted);font-weight:500}.price-card ul{list-style:none;padding:0;margin:0 0 24px;flex:1}.price-card li{padding:6px 0;color:var(--muted);font-size:.9rem;border-bottom:1px solid #f3f4f6}.price-card li:last-child{border-bottom:none}.price-card li:before{content:"✓";color:var(--success);font-weight:700;margin-right:8px}.price-cta{width:100%;text-align:center}.footer{margin-top:0;border-top:1px solid var(--line);background:#fff;padding:40px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}.footer-brand{display:flex;flex-direction:column;gap:6px}.footer-brand strong{font-size:1.05rem}.footer p{color:var(--muted);font-size:.88rem;margin:0}.footer-links{display:flex;gap:20px}.footer-links a{color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:500;transition:color .2s}.footer-links a:hover{color:var(--primary)}.muted{color:var(--muted);font-size:.88rem}.error{color:var(--danger);font-size:.88rem;margin-top:8px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{pointer-events:auto;padding:12px 20px;border-radius:var(--radius);font-weight:500;font-size:.88rem;box-shadow:var(--shadow-lg);animation:toast-in .3s ease;display:flex;align-items:center;gap:8px;max-width:380px;background:#fff;border:1px solid var(--line)}.toast-exit{animation:toast-out .3s ease forwards}.toast-success{border-left:4px solid var(--success)}.toast-error{border-left:4px solid var(--danger)}.toast-info{border-left:4px solid var(--primary)}::selection{background:#4f46e51f}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}@media (max-width: 768px){.section{padding:48px 0}.nav,.header-cta{display:none}.menu-btn{display:inline-flex;align-items:center;justify-content:center}.mobile-menu{display:flex;flex-direction:column;gap:8px;padding:16px 5vw;border-top:1px solid var(--line);background:#fff;animation:slideDown .25s ease}.mobile-menu a{text-decoration:none;color:var(--text);font-weight:600;padding:8px 0}.mobile-menu-actions{margin-top:8px}.hero{padding:48px 0 24px}.hero h1{font-size:2rem}.hero-metrics{grid-template-columns:1fr;max-width:280px}.hero-actions{flex-direction:column;align-items:center}.checker-tabs,.checker-panel{max-width:100%}.feature-grid,.how-grid,.price-grid{grid-template-columns:1fr}.summary-grid{grid-template-columns:repeat(2,1fr)}.results-toolbar{flex-direction:column}.toolbar-search{min-width:0}.toolbar-search input{max-width:100%}.footer-inner{flex-direction:column;align-items:flex-start}.footer-links,.bulk-actions{flex-wrap:wrap}.pagination-wrap{flex-direction:column;gap:8px}.pagination-actions{width:100%;justify-content:space-between}.toast-container{top:auto;bottom:16px;left:16px;right:16px}.toast{max-width:100%}}