:root{
  --base:#101018; --base2:#16161f; --ink:#f2f3f7; --muted:#a7adbd;
  --lime:#a3e635; --cyan:#22d3ee; --mag:#e879f9;
  --glass:rgba(255,255,255,.055); --line:rgba(255,255,255,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--base);color:var(--ink);font-family:Inter,system-ui,sans-serif;line-height:1.65;font-size:16.5px;overflow-x:hidden}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:Sora,Inter,sans-serif;line-height:1.18;letter-spacing:-.015em}
.grad{background:linear-gradient(95deg,var(--lime),var(--cyan) 55%,var(--mag));-webkit-background-clip:text;background-clip:text;color:transparent}
/* neon mesh blobs */
.mesh{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.mesh i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 22s ease-in-out infinite alternate}
.b1{width:520px;height:520px;left:-140px;top:-120px;background:radial-gradient(circle,#a3e63555,transparent 65%)}
.b2{width:620px;height:620px;right:-180px;top:8%;background:radial-gradient(circle,#e879f944,transparent 65%);animation-delay:-7s}
.b3{width:560px;height:560px;left:22%;bottom:-220px;background:radial-gradient(circle,#22d3ee44,transparent 65%);animation-delay:-13s}
.b4{width:380px;height:380px;right:12%;bottom:6%;background:radial-gradient(circle,#a3e63533,transparent 65%);animation-delay:-4s}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(60px,-50px) scale(1.12)}}
/* header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(16,16,24,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:26px;padding:13px 24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:36px;height:36px}
.brand-name{font-family:Sora,sans-serif;font-size:22px;font-weight:800;color:#fff}
.brand-name em{font-style:normal;background:linear-gradient(95deg,var(--lime),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;padding:8px 13px;border-radius:8px}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav a.on{color:var(--lime)}
.btn-neon{display:inline-flex;align-items:center;gap:9px;background:linear-gradient(95deg,var(--lime),var(--cyan));color:#0b0b10;font-weight:800;text-decoration:none;border:none;cursor:pointer;padding:13px 26px;border-radius:12px;font-size:15.5px;box-shadow:0 0 24px rgba(163,230,53,.35),0 0 60px rgba(34,211,238,.18);transition:transform .12s,box-shadow .2s}
.btn-neon svg{width:18px;height:18px}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(163,230,53,.5),0 0 80px rgba(34,211,238,.25)}
.btn-neon.sm{padding:9px 16px;font-size:13.5px}
/* hero */
.hero{padding:84px 0 30px;text-align:center}
.hero h1{font-size:clamp(36px,5.2vw,60px);font-weight:800;max-width:860px;margin:0 auto 18px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px;padding:7px 16px;border:1px solid rgba(34,211,238,.35);border-radius:999px;background:rgba(34,211,238,.08)}
.lede{font-size:18.5px;color:var(--muted);max-width:780px;margin:0 auto}
.lede strong{color:#fff}
/* diagonal slant sections */
.slant{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));clip-path:polygon(0 34px,100% 0,100% 100%,0 100%);padding:80px 0 70px;margin-top:40px;border-top:1px solid var(--line)}
.prose{max-width:800px}
.prose p{margin:0 0 17px;color:#c9cede}
.prose ul{margin:0 0 20px 22px;color:#c9cede}
.prose li{margin-bottom:8px}
.prose a{color:var(--cyan);font-weight:600}
.prose h2{font-size:29px;margin:36px 0 13px;color:#fff}
.prose h3{font-size:20px;margin:26px 0 9px;color:#fff}
.tone-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:24px 0}
.tone-card{background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:20px;backdrop-filter:blur(10px)}
.tone-card h3{margin:0 0 8px;font-size:17px}
.tone-card:nth-child(1) h3{color:var(--lime)}.tone-card:nth-child(2) h3{color:var(--mag)}
.tone-card:nth-child(3) h3{color:var(--cyan)}.tone-card:nth-child(4) h3{color:#fbbf24}
.tone-card p{font-size:14px;margin:0;color:var(--muted)}
/* glassy console */
.glass{background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line)}
.console-sec{padding:44px 0 10px}
.console{border-radius:20px;overflow:hidden;box-shadow:0 0 0 1px rgba(163,230,53,.15),0 0 50px rgba(34,211,238,.12),0 30px 80px rgba(0,0,0,.5)}
.console-bar{display:flex;align-items:center;gap:8px;padding:13px 20px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.25)}
.cdot{width:11px;height:11px;border-radius:50%;background:#3a3a48}
.cdot:first-child{background:#ff5f57}.cdot:nth-child(2){background:#febc2e}.cdot:nth-child(3){background:#28c840}
.console-title{font-size:13px;color:var(--muted);margin-left:8px;font-weight:600;letter-spacing:.04em}
.privacy-chip{margin-left:auto;display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;color:var(--lime);border:1px solid rgba(163,230,53,.4);border-radius:999px;padding:5px 12px;background:rgba(163,230,53,.07)}
.privacy-chip svg{width:14px;height:14px}
.console-body{padding:28px}
.tool-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:14px;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.field .opt{text-transform:none;letter-spacing:0;font-weight:500}
.field select,.field input{font-family:Inter,sans-serif;text-transform:none;letter-spacing:0;font-size:15px;font-weight:600;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(0,0,0,.35);color:#fff}
.field select:focus,.field input:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
.tool-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:700;padding:11px 18px;border-radius:10px;cursor:pointer;font-size:14px}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost:not(:disabled):hover{border-color:var(--cyan);color:#fff}
.count{font-size:13px;color:var(--muted);font-weight:600}
.out-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.out-list li{background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:12px;font-size:16px;position:relative;overflow:hidden}
.out-list li::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--lime),var(--cyan),var(--mag))}
.out-list li .txt{flex:1;padding-left:6px;font-weight:500}
.copy-one{flex:none;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:7px 12px;cursor:pointer;font-size:13px;font-weight:700}
.copy-one:hover{border-color:var(--lime);color:#fff}
.out-empty{color:#6b7186!important;font-size:14px;font-family:ui-monospace,monospace}
.out-empty::before{display:none}
.limits{border:1px solid rgba(232,121,249,.3);background:rgba(232,121,249,.06);border-radius:12px;padding:16px 18px}
.limits h3{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--mag);margin:0 0 6px}
.limits h3 svg{width:18px;height:18px}
.limits p{font-size:13.5px;color:var(--muted);margin:0}
/* cta / rel / faq */
.cta{margin:36px 0;border-radius:18px;padding:32px;box-shadow:0 0 40px rgba(163,230,53,.1)}
.cta h2{font-size:26px;margin-bottom:8px;color:#fff}
.cta p{color:var(--muted);margin-bottom:18px}
.rel{margin-top:36px;border-radius:14px;padding:24px}
.rel h2{font-size:17px;margin-bottom:10px;color:#fff}
.rel ul{list-style:none;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rel a{font-size:14.5px}
.faq-list details{background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:15px 17px}
.faq-list summary{font-weight:700;cursor:pointer;font-size:16px;color:#fff}
.faq-list p{margin:8px 0 0;color:var(--muted);font-size:15px}
/* footer */
.site-footer{margin-top:70px;border-top:1px solid var(--line);background:rgba(0,0,0,.35);padding:46px 0 22px;clip-path:polygon(0 26px,100% 0,100% 100%,0 100%);padding-top:70px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:30px}
.foot-brand{font-size:20px;margin-bottom:8px}
.foot-note{font-size:13.5px;color:var(--muted);max-width:360px}
.foot-h{font-size:11.5px;text-transform:uppercase;letter-spacing:.14em;color:var(--cyan);margin-bottom:12px;font-weight:700}
.site-footer nav a{display:block;color:var(--muted);text-decoration:none;font-size:13.5px;margin-bottom:8px}
.site-footer nav a:hover{color:#fff}
.foot-base{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;font-size:12.5px;color:var(--muted)}
.browser-chip{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(163,230,53,.4);color:var(--lime);border-radius:999px;padding:5px 12px;font-weight:700;font-size:11.5px;background:rgba(163,230,53,.07)}
.browser-chip svg{width:14px;height:14px}
@media(max-width:900px){.tool-grid{grid-template-columns:1fr 1fr}.bar{flex-wrap:wrap}.nav{order:3;width:100%}.foot-grid{grid-template-columns:1fr}.rel ul{grid-template-columns:1fr}.slant{clip-path:polygon(0 18px,100% 0,100% 100%,0 100%)}}
@media(max-width:560px){.tool-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.mesh i{animation:none}*{scroll-behavior:auto!important}}