:root{--bg:#f7f8fc;--card:#fff;--ink:#14172b;--muted:#6f7690;--line:#e6e8f2;--primary:#5858ed;--primary2:#4141c9;--accent:#17b99b;--danger:#e44d68;--shadow:0 18px 50px rgba(28,33,70,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1240px)/2));position:sticky;top:0;z-index:20}.brand{display:flex;gap:10px;align-items:center;font-size:19px;white-space:nowrap}.brand img{width:38px;height:38px}.topbar nav{display:flex;gap:20px;align-items:center;font-size:14px}.topbar nav>a:hover,.dropdown button:hover{color:var(--primary)}.dropdown{position:relative}.dropdown button{border:0;background:none;font:inherit;color:inherit;cursor:pointer}.dropmenu{display:none;position:absolute;right:0;top:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;min-width:210px}.dropdown:hover .dropmenu{display:grid}.dropmenu a{padding:10px 12px;border-radius:9px}.dropmenu a:hover{background:#f2f3ff}.mobile{display:none;border:0;background:none;font-size:24px}.btn{border:0;background:var(--primary);color:#fff;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer}.btn:hover{background:var(--primary2)}.btn.secondary{background:#eef0ff;color:var(--primary)}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--danger)}.btn.small{padding:9px 14px;border-radius:10px}.hero{max-width:1240px;margin:0 auto;padding:64px 24px 28px;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.eyebrow{color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:12px}.hero h1{font-size:56px;line-height:1.02;margin:12px 0 18px;letter-spacing:-.035em}.hero p{font-size:18px;line-height:1.7;color:var(--muted)}.hero-actions{display:flex;gap:12px;margin-top:26px}.hero-art{background:linear-gradient(145deg,#5959ef,#7474ff 55%,#21c6a7);border-radius:32px;padding:26px;box-shadow:var(--shadow);min-height:350px;color:#fff}.mock{background:rgba(255,255,255,.95);color:var(--ink);border-radius:22px;padding:20px;box-shadow:0 10px 35px rgba(0,0,0,.14)}.mockbar{display:flex;gap:7px;margin-bottom:17px}.dot{width:9px;height:9px;border-radius:50%;background:#cbd0df}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.metric{padding:16px;border:1px solid var(--line);border-radius:16px}.metric b{font-size:26px;display:block;color:var(--primary)}.section{max-width:1240px;margin:0 auto;padding:48px 24px}.section h2{font-size:36px;margin:0 0 10px}.section-intro{color:var(--muted);max-width:760px;line-height:1.7}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 8px 24px rgba(28,33,70,.04)}.tool-card{cursor:pointer;transition:.2s}.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d8d9ff}.icon{width:44px;height:44px;border-radius:13px;background:#eef0ff;color:var(--primary);display:grid;place-items:center;font-size:21px;margin-bottom:15px}.card h3{margin:0 0 8px}.card p{color:var(--muted);line-height:1.6;font-size:14px}.tool-shell{max-width:1080px;margin:0 auto;padding:42px 24px}.tool-head{text-align:center;margin-bottom:26px}.tool-head h1{font-size:42px;margin:4px 0 10px}.tool-head p{color:var(--muted)}.toolbox{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}textarea,input,select{width:100%;border:1px solid #dfe2ef;border-radius:12px;padding:13px 14px;font:inherit;background:#fff;color:var(--ink);outline:none}textarea:focus,input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(88,88,237,.1)}textarea{min-height:160px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-actions{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px;flex-wrap:wrap}.check{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px}.check input{width:auto}.hint{font-size:12px;color:var(--muted)}.results{margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.results-head{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{background:#f8f9fd;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#676e87}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eef0ff;color:var(--primary);font-weight:700;font-size:12px}.pill.green{background:#e8fbf6;color:#098a73}.pill.red{background:#ffedf0;color:#bf324b}.notice{padding:13px 15px;border-radius:12px;background:#fff8e8;color:#7c5b13;border:1px solid #f5e2ad;margin:14px 0}.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.auth-side{background:linear-gradient(145deg,#5959ef,#22c7a9);color:#fff;padding:26px;border-radius:20px}.stack{display:grid;gap:12px}.tabs{display:flex;gap:7px;background:#f1f2f8;padding:5px;border-radius:12px}.tabs button{flex:1;border:0;padding:10px;border-radius:9px;background:none;font-weight:700;cursor:pointer}.tabs button.active{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06)}.pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}.price{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;position:relative}.price.featured{border:2px solid var(--primary);transform:translateY(-5px)}.price .amount{font-size:40px;font-weight:900;margin:14px 0}.price ul{list-style:none;padding:0;display:grid;gap:10px;color:var(--muted);font-size:14px}.price li:before{content:'✓';color:var(--accent);font-weight:900;margin-right:8px}.dash-grid{display:grid;grid-template-columns:260px 1fr;gap:20px}.sidebar{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;height:max-content}.sidebar button{width:100%;border:0;background:none;text-align:left;padding:12px;border-radius:10px;font-weight:650;cursor:pointer}.sidebar button.active,.sidebar button:hover{background:#f0f1ff;color:var(--primary)}.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.stat b{display:block;font-size:28px}.stat span{color:var(--muted);font-size:13px}.code{background:#111425;color:#dce4ff;border-radius:14px;padding:16px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.prose{max-width:850px;margin:0 auto;padding:48px 24px;line-height:1.75}.prose h1{font-size:42px}.prose h2{margin-top:32px}.prose p,.prose li{color:#505873}.modal{position:fixed;inset:0;background:rgba(13,16,35,.55);display:grid;place-items:center;padding:20px;z-index:50}.modal.hidden{display:none}.modal-card{position:relative;background:#fff;border-radius:22px;padding:26px;width:min(620px,100%);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}.close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:30px;cursor:pointer}.chat{position:fixed;right:22px;bottom:22px;border:0;border-radius:50%;width:56px;height:56px;background:var(--primary);color:#fff;font-size:23px;box-shadow:var(--shadow);cursor:pointer}footer{background:#15182c;color:#fff;margin-top:60px;padding:48px max(24px,calc((100vw - 1240px)/2));display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}footer>div{display:grid;gap:10px;align-content:start}footer p,footer a{color:#aeb5cf;font-size:14px}.foot img{width:34px;height:34px}.empty{text-align:center;padding:32px;color:var(--muted)}.loader{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:960px){.topbar nav{display:none}.topbar nav.open{display:grid;position:absolute;top:72px;left:12px;right:12px;background:#fff;border:1px solid var(--line);padding:16px;border-radius:16px;box-shadow:var(--shadow)}.mobile{display:block}.hero{grid-template-columns:1fr}.hero h1{font-size:44px}.cards,.pricing{grid-template-columns:repeat(2,1fr)}.dash-grid{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto}.sidebar button{min-width:max-content}.statgrid{grid-template-columns:repeat(2,1fr)}footer{grid-template-columns:1fr 1fr}.auth-grid{grid-template-columns:1fr}}@media(max-width:600px){.hero{padding-top:38px}.hero h1{font-size:38px}.cards,.pricing,.metric-grid,.statgrid,.form-row{grid-template-columns:1fr}.tool-head h1,.section h2,.prose h1{font-size:32px}footer{grid-template-columns:1fr}.hero-actions{flex-direction:column}}