:root{--nav:#0b1220;--green:#22c55e;--dark:#172033;--muted:#667389;--line:#dfe5ee;--soft:#f7f9fc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--dark);line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 36px));margin:auto}header{background:var(--nav);color:#fff;position:sticky;top:0;z-index:10}.nav{height:68px;display:flex;align-items:center}.logo{font-weight:850;font-size:20px;color:#fff}.logo b{color:#65e28d;margin-right:8px;font-family:monospace}.logo span{color:#65e28d}nav{margin-left:auto;display:flex;gap:25px;font-size:14px;color:#c7d1df}.hero{background:linear-gradient(135deg,#0b1220,#121e33);color:#fff;padding:82px 0}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow{font-size:11px;font-weight:850;letter-spacing:.15em;color:#159447;margin-bottom:10px}.hero .eyebrow{color:#65e28d}h1{font-size:clamp(42px,5vw,66px);line-height:1.02;letter-spacing:-.04em;margin:0 0 20px}h1 em{color:#65e28d;font-style:normal}.hero p{font-size:18px;color:#c1cbda;max-width:650px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#06210e;border:0;border-radius:10px;padding:12px 18px;font-weight:800;cursor:pointer}.btn.small{padding:8px 12px;font-size:12px}.btn.outline{background:#fff;border:1px solid var(--line);color:var(--dark)}.full{width:100%;margin:14px 0}.ticks{font-size:12px;color:#9eabbd;margin-top:18px}.hero-code{background:#0f172a;border:1px solid #2a3850;border-radius:16px;overflow:hidden;box-shadow:0 25px 70px #0005}.bar{padding:11px 16px;border-bottom:1px solid #2a3850;color:#8290a7;font-size:12px}.hero-code pre{margin:0;padding:22px;color:#d9e5f7;font:14px/1.8 monospace}.result{margin:0 16px 16px;padding:12px;background:#0b1220;border-radius:9px;color:#8be8a8;font:12px monospace}.result b{float:right;font:700 11px system-ui;color:#a6b2c5}.ad-slot{height:100px;display:grid;place-items:center;color:#a0aaba;font-size:9px;letter-spacing:.12em;background:#fff;border-bottom:1px solid #f0f2f5}.section{padding:72px 0}.tool-bg,.light{background:var(--soft)}.section-title{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}.section-title h2,h2{font-size:32px;line-height:1.15;margin:0 0 8px;letter-spacing:-.025em}.section-title p,.intro{color:var(--muted);margin:0;max-width:560px}.cards,.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.guides article{border:1px solid var(--line);border-radius:15px;padding:23px;background:#fff}.card.active{border-color:#a8e6bc;box-shadow:0 12px 35px #0f172a10}.icon{width:42px;height:42px;border-radius:10px;background:#eefbf3;color:#15803d;display:grid;place-items:center;font:800 14px monospace}.card h3{margin:16px 0 6px}.card p,.guides p{color:var(--muted);font-size:14px}.card a,.guides a{color:#15803d;font-weight:800;font-size:13px}.card small{color:#8a96a8}.privacy{background:#eefbf3;border:1px solid #c9efd5;color:#15803d;padding:7px 11px;border-radius:999px;font-size:11px;font-weight:750}.workspace{display:grid;grid-template-columns:1fr .85fr .95fr;gap:15px}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:0 8px 28px #0f172a08}.panel-head{height:51px;border-bottom:1px solid var(--line);padding:0 15px;display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:800}.panel-head button{border:0;background:none;color:#15803d;font-weight:800;font-size:11px;cursor:pointer}.panel-head span{font-size:11px;color:#8a96a8}.panel textarea{width:100%;height:350px;border:0;outline:0;resize:vertical;background:#0f172a;color:#dbeafe;padding:17px;font:12px/1.7 monospace}.panel-foot{display:flex;justify-content:space-between;align-items:center;background:#0f172a;padding:10px 12px;border-top:1px solid #29364d}.panel-foot span{font-size:11px;color:#8797ae}.panel-foot .ok{color:#7ee2a2}.tree{height:413px;overflow:auto;padding:12px}.tree.empty{display:grid;place-items:center;color:#8995a8;text-align:center;padding:30px}.row{display:flex;gap:6px;align-items:center;padding:6px;border-radius:7px;font-size:12px;cursor:pointer}.row:hover{background:#f1f8f3}.row.selected{background:#dcfce7}.children{margin-left:13px;border-left:1px dashed #d8dfe8}.caret{width:12px;color:#8d99aa}.key{font:700 12px monospace}.val{margin-left:auto;color:#15803d;font:11px monospace;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.type{font-size:9px;color:#9aa5b5}.selected{padding:14px 15px;background:#f7f9fc;border-bottom:1px solid var(--line)}.selected small,.code label{display:block;color:#8b96a8;font-size:9px;text-transform:uppercase;letter-spacing:.1em;font-weight:800}.selected code{font:12px monospace;color:#15803d;word-break:break-all}.code{padding:14px 15px;border-bottom:1px solid var(--line)}.code pre{background:#0f172a;color:#dbeafe;border-radius:9px;padding:11px;min-height:65px;white-space:pre-wrap;font:11px/1.55 monospace}.code button{border:0;background:#eefbf3;color:#15803d;border-radius:7px;padding:7px 9px;font-weight:800;font-size:10px;cursor:pointer}.code button:disabled,.panel-head button:disabled{opacity:.4}.guides article span{font-size:10px;color:#15803d;font-weight:850;letter-spacing:.1em}.guides h3{font-size:17px;line-height:1.3;margin:10px 0}.light p{color:var(--muted);max-width:850px}footer{background:#080e19;color:#9aa7ba;padding:45px 0 20px}.footer{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:50px}.footer strong{display:block;color:#fff;margin-bottom:10px}.footer a:not(.logo){display:block;font-size:12px;margin:7px 0}.footer p{font-size:12px;max-width:420px}.copyright{border-top:1px solid #1b2637;margin-top:30px;padding-top:16px;font-size:10px}@media(max-width:950px){.hero-grid,.workspace{grid-template-columns:1fr}.cards,.guides{grid-template-columns:1fr}.footer{grid-template-columns:1fr 1fr}}@media(max-width:600px){nav{display:none}.section-title{display:block}.privacy{display:inline-block;margin-top:12px}.footer{grid-template-columns:1fr}}

.article-code{background:#0f172a;color:#dbeafe;border-radius:10px;padding:18px;white-space:pre-wrap;font:13px/1.7 monospace;max-width:850px}.section h1{font-size:44px;line-height:1.1;margin:0 0 20px}.section h2{margin-top:35px}.section code{color:#15803d;font-family:monospace}

.tool-tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.tool-tabs button{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:9px;font-weight:800;color:#56647a;cursor:pointer}.tool-tabs button.active{background:#172033;color:#fff;border-color:#172033}.builder{display:grid;grid-template-columns:.9fr 1.1fr;gap:16px}.formbox,.previewbox{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px}.formbox label{display:block;font-size:11px;font-weight:800;margin:13px 0 6px;color:#526074}.formbox input,.formbox select,.formbox textarea{width:100%;padding:10px;border:1px solid #d7deea;border-radius:8px;font:12px monospace;outline:0}.formbox textarea{min-height:105px;resize:vertical}.previewbox pre{background:#0f172a;color:#dbeafe;border-radius:10px;padding:15px;min-height:350px;max-height:500px;overflow:auto;font:11px/1.55 monospace}.tool-status{font-size:11px;color:#15803d;margin-left:10px}.btn.dark{background:#172033;color:#fff}.preview-actions{display:flex;gap:8px}.preview-actions button{border:0;background:#eefbf3;color:#15803d;border-radius:7px;padding:8px 10px;font-weight:800;font-size:10px;cursor:pointer}.tool-pane[hidden]{display:none!important}@media(max-width:800px){.builder{grid-template-columns:1fr}}

.tool-note{font-size:11px;line-height:1.5;color:#68758a;margin:9px 0 0}.tool-note strong{color:#263247}

.optional{font-weight:500;color:#8a95a8}

/* Launch-ready polish */
:root{--ink:#172033;--muted:#65728a;--line:#e5eaf1;--surface:#ffffff}
body{color:var(--ink);background:#f7f9fc}
.launch-strip{max-width:1180px;margin:12px auto 0;padding:8px 18px;text-align:center;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:12px}
.tool-note{max-width:720px}
@media(max-width:700px){.launch-strip{margin:8px 12px 0;border-radius:12px;font-size:11px}}