:root{
  --bg:#0a0b14; --panel:#12141f; --panel-2:#171a28; --border:#262a3d;
  --text:#e7e9f3; --muted:#9aa2bd; --accent:#8b5cf6; --accent-2:#6366f1;
  --green:#34d399; --red:#f87171; --amber:#fbbf24;
  --radius:14px; --maxw:1120px;
  font-synthesis:none;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55; -webkit-font-smoothing:antialiased;
}
a{color:var(--text);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* nav */
.nav{position:sticky;top:0;z-index:30;backdrop-filter:blur(10px);
  background:rgba(10,11,20,.78);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand .dot{width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));display:inline-block}
.nav .spacer{flex:1}
.nav a.link{color:var(--muted);font-weight:500;font-size:15px}
.nav a.link:hover{color:var(--text)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border:1px solid var(--border);background:var(--panel-2);color:var(--text);
  padding:10px 16px;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;
  transition:transform .06s ease,border-color .15s ease,background .15s ease}
.btn:hover{border-color:#394063;transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#fff}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent}
.btn.danger{border-color:#5a2630;color:var(--red)}
.btn.sm{padding:7px 12px;font-size:14px}
.btn.block{width:100%}

/* cards / panels */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.grid{display:grid;gap:18px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(139,92,246,.16);color:#c4b5fd;border:1px solid rgba(139,92,246,.3)}
.pill{padding:2px 9px;border-radius:999px;font-size:12px;background:var(--panel-2);border:1px solid var(--border);color:var(--muted)}

/* forms */
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:14px 0 6px}
input[type=text],input[type=email],input[type=password],input[type=url],select,textarea{
  width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);
  border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-2);
  box-shadow:0 0 0 3px rgba(99,102,241,.2)}
input[type=color]{width:52px;height:42px;padding:4px;background:var(--panel-2);
  border:1px solid var(--border);border-radius:10px;cursor:pointer}
textarea{min-height:80px;resize:vertical}

/* hero */
.hero{padding:86px 0 54px;text-align:center}
.hero h1{font-size:60px;line-height:1.03;letter-spacing:-.03em;margin:0 0 18px;font-weight:850}
.hero h1 .grad{background:linear-gradient(120deg,#a78bfa,#60a5fa 60%,#34d399);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:21px;color:var(--muted);max-width:720px;margin:0 auto 28px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.section{padding:48px 0}
.section h2{font-size:34px;letter-spacing:-.02em;margin:0 0 8px;font-weight:800}
.section .sub{color:var(--muted);font-size:17px;margin:0 0 26px}

.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.cols-3,.cols-4,.cols-2{grid-template-columns:1fr}.hero h1{font-size:42px}.editor-grid{grid-template-columns:1fr!important}}

.feature .ic{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(99,102,241,.14);font-size:20px;margin-bottom:12px}
.feature h3{margin:0 0 6px;font-size:18px}
.feature p{margin:0;color:var(--muted);font-size:15px}

/* stat */
.stat .n{font-size:32px;font-weight:800;letter-spacing:-.02em}
.stat .l{color:var(--muted);font-size:14px}

/* pricing */
.price .amt{font-size:40px;font-weight:850;letter-spacing:-.02em}
.price .per{color:var(--muted);font-size:15px}
.price ul{list-style:none;padding:0;margin:16px 0}
.price li{padding:6px 0;color:var(--muted);font-size:15px;display:flex;gap:8px;align-items:flex-start}
.price li::before{content:"✓";color:var(--green);font-weight:800}
.price.featured{border-color:var(--accent-2);box-shadow:0 0 0 1px var(--accent-2),0 14px 40px rgba(99,102,241,.14)}

/* code */
pre{background:#0d0f1a;border:1px solid var(--border);border-radius:12px;padding:16px 18px;
  overflow:auto;font-size:13.5px;line-height:1.6}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.kbd{background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:1px 7px;font-size:13px}

/* tables */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border);font-size:14px}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}

/* editor */
.editor-grid{display:grid;grid-template-columns:380px 1fr;gap:22px;align-items:start}
.preview-box{background:#0d0f1a;border:1px solid var(--border);border-radius:14px;padding:16px;position:sticky;top:80px}
.preview-box svg{width:100%;height:auto;border-radius:10px;display:block}

/* alerts */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px;border:1px solid}
.alert.ok{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.35);color:#6ee7b7}
.alert.err{background:rgba(248,113,113,.1);border-color:rgba(248,113,113,.35);color:#fca5a5}

/* bar chart */
.bars{display:flex;align-items:flex-end;gap:3px;height:120px}
.bars .bar{flex:1;background:linear-gradient(180deg,var(--accent),var(--accent-2));
  border-radius:3px 3px 0 0;min-height:2px;opacity:.85}
.plat-row{display:flex;align-items:center;gap:10px;margin:7px 0}
.plat-row .label{width:110px;font-size:14px;color:var(--muted);text-transform:capitalize}
.plat-row .track{flex:1;height:10px;background:var(--panel-2);border-radius:999px;overflow:hidden}
.plat-row .fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:999px}
.plat-row .v{width:48px;text-align:right;font-weight:700;font-size:14px}

.footer{border-top:1px solid var(--border);padding:30px 0;color:var(--muted);font-size:14px;margin-top:40px}
.copyable{display:flex;gap:8px;align-items:center}
.copyable input{font-size:13px}