:root{--bg:#050807;--panel:#0b120e;--panel2:#0f1813;--line:#1c2a22;--ink:#f2fbf5;--muted:#9fb3a7;--g1:#22c55e;--g2:#10b981;--g3:#a3e635;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.6;background:var(--bg);
background-image:radial-gradient(600px 500px at -100px 120px,rgba(34,197,94,.18),transparent),radial-gradient(700px 600px at calc(100vw + 100px) 300px,rgba(16,185,129,.16),transparent),radial-gradient(800px 600px at 50vw 2600px,rgba(163,230,53,.08),transparent);background-repeat:no-repeat}
a{color:var(--g3)}
:focus-visible{outline:2px solid var(--g3);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:0}.skip:focus{left:1rem;top:1rem;background:#fff;color:#000;padding:.5rem .8rem;z-index:99}
.wrap{max-width:1160px;margin:0 auto;padding:0 1.25rem}
.mono{font-family:var(--mono)}
/* nav */
.top{position:sticky;top:0;z-index:50;background:rgba(5,8,7,.78);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo img{display:block;height:40px;width:auto}.logo i{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--g3),var(--g2));box-shadow:0 0 18px rgba(34,197,94,.55);display:inline-block}
.links{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0}
.links a{color:var(--muted);text-decoration:none;font-size:.95rem}.links a:hover{color:var(--ink)}
.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.1rem;border-radius:999px;font-weight:700;text-decoration:none;color:#03120a;background:linear-gradient(90deg,var(--g3),var(--g1),var(--g2));box-shadow:0 0 24px rgba(34,197,94,.45),inset 0 1px 0 rgba(255,255,255,.35);border:0;cursor:pointer;font-size:.95rem;white-space:nowrap}
.pill:hover{filter:brightness(1.08)}
.ghost{display:inline-flex;align-items:center;padding:.85rem 1.4rem;border-radius:999px;border:1px solid #2b3d32;color:var(--ink);text-decoration:none;font-weight:600;background:rgba(255,255,255,.02)}
.ghost:hover{border-color:var(--g1)}
/* hero */
.hero{text-align:center;padding:5.5rem 0 3rem}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;color:var(--g3);border:1px solid #284031;background:rgba(34,197,94,.07);padding:.35rem .8rem;border-radius:999px;margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.4rem,6.4vw,4.8rem);line-height:1.04;letter-spacing:-.035em;margin:0 0 1.2rem;font-weight:850}
.grad{background:linear-gradient(90deg,var(--g1),var(--g2),var(--g3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--muted);font-size:clamp(1.05rem,2vw,1.25rem);max-width:640px;margin:0 auto 2rem}
.cta-row{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.cta-row .pill{padding:.85rem 1.5rem;font-size:1rem}
.ticks{margin-top:1.2rem;color:var(--muted);font-size:.9rem;display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap}
.ticks span::before{content:"✓ ";color:var(--g1);font-weight:700}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;margin:3.5rem 0 0;background:rgba(11,18,14,.6);overflow:hidden}
.stats div{padding:1.3rem 1rem;text-align:center;border-left:1px solid var(--line)}.stats div:first-child{border-left:0}
.stats b{display:block;font-size:1.5rem;letter-spacing:-.02em}.stats span{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.chips{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;align-items:center;margin:2.2rem 0 0}
.chips small{font-family:var(--mono);color:var(--muted);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;margin-right:.4rem}
.chip{font-family:var(--mono);font-size:.8rem;border:1px solid var(--line);background:var(--panel);padding:.35rem .75rem;border-radius:8px;color:#cfe3d6}
/* app mockup */
.app{margin:3.5rem auto 0;max-width:980px;border:1px solid #23362b;border-radius:16px;background:var(--panel);box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 60px rgba(34,197,94,.12);overflow:hidden;text-align:left}
.bar{display:flex;align-items:center;gap:.45rem;padding:.7rem 1rem;border-bottom:1px solid var(--line);background:#08100c}
.bar i{width:11px;height:11px;border-radius:999px;background:#2a3a30;display:inline-block}
.bar span{font-family:var(--mono);font-size:.75rem;color:var(--muted);margin-left:.8rem}
.appbody{display:grid;grid-template-columns:220px 1fr 1fr;min-height:300px}
.side{border-right:1px solid var(--line);padding:1rem;font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.side p{margin:.2rem 0;padding:.4rem .6rem;border-radius:8px}.side .on{background:rgba(34,197,94,.12);color:var(--g3)}
.pane{padding:1.1rem;border-right:1px solid var(--line)}.pane:last-child{border-right:0}
.pane h4{margin:0 0 .2rem;font-size:1rem}.pane .m{font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;padding:.12rem .5rem;border-radius:6px;background:rgba(34,197,94,.14);color:var(--g3);margin:.6rem .3rem 0 0}
.kv{display:flex;justify-content:space-between;font-size:.85rem;padding:.45rem 0;border-bottom:1px dashed var(--line)}.kv span:first-child{color:var(--muted)}
.steps{list-style:none;margin:.8rem 0 0;padding:0;font-size:.85rem}
.steps li{padding:.35rem 0 .35rem 1.5rem;position:relative;color:var(--muted)}
.steps li::before{content:"";position:absolute;left:.2rem;top:.75rem;width:9px;height:9px;border-radius:999px;border:2px solid #2c4235}
.steps li.d{color:var(--ink)}.steps li.d::before{background:var(--g1);border-color:var(--g1);box-shadow:0 0 10px var(--g1)}
.steps li.a::before{border-color:var(--g3)}
/* sections */
section{padding:5.5rem 0}
.head{text-align:center;max-width:680px;margin:0 auto 2.8rem}
.label{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--g1)}
h2{font-size:clamp(1.9rem,4vw,3rem);letter-spacing:-.03em;line-height:1.1;margin:.5rem 0 .8rem}
.head p{color:var(--muted);margin:0}
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px;padding:1.4rem;grid-column:span 2;transition:border-color .2s}
.card:hover{border-color:#2f4a3a}
.card.w3{grid-column:span 3}
.card h3{margin:.35rem 0 .4rem;font-size:1.15rem;letter-spacing:-.01em}.card p{margin:0;color:var(--muted);font-size:.95rem}
.viz{height:96px;border-radius:12px;background:#07100b;border:1px solid var(--line);margin-bottom:1.1rem;padding:.75rem;font-family:var(--mono);font-size:.72rem;color:var(--muted);overflow:hidden;position:relative}
.viz .ln{height:8px;border-radius:4px;background:#1b2a21;margin:.45rem 0}.viz .ln.g{background:linear-gradient(90deg,var(--g1),var(--g3))}
.gauge{display:flex;align-items:center;gap:.9rem;height:70px}
.ring{width:66px;height:66px;border-radius:999px;background:conic-gradient(var(--g1) 0 .94turn,#1b2a21 0);display:grid;place-items:center}
.ring b{width:52px;height:52px;border-radius:999px;background:#07100b;display:grid;place-items:center;color:var(--ink);font-size:1rem}
.lock{display:flex;align-items:center;justify-content:center;gap:.6rem;height:70px;color:var(--g3)}
.bars{display:flex;align-items:flex-end;gap:6px;height:70px}.bars i{flex:1;background:linear-gradient(180deg,var(--g3),var(--g2));border-radius:4px 4px 0 0;opacity:.85}
/* code */
.code{display:grid;grid-template-columns:1.35fr 1fr;gap:2rem;align-items:center}
pre{margin:0;background:#06100a;border:1px solid #1f3127;border-radius:16px;padding:1.3rem;overflow:auto;font-family:var(--mono);font-size:.82rem;line-height:1.65;color:#cfe3d6;box-shadow:0 0 50px rgba(34,197,94,.08)}
pre .k{color:var(--g3)}pre .s{color:#86efac}pre .c{color:#5f7a6a}pre .m{color:var(--g1);font-weight:700}
.bul{list-style:none;padding:0;margin:1.2rem 0 1.6rem}.bul li{padding:.55rem 0 .55rem 1.8rem;position:relative;color:var(--muted);border-bottom:1px solid var(--line)}
.bul li::before{content:"→";position:absolute;left:0;color:var(--g1);font-family:var(--mono)}
.bul b{color:var(--ink)}
/* banner */
.banner{border:1px solid #27412f;border-radius:22px;padding:2.6rem;display:flex;gap:1.5rem;align-items:center;justify-content:space-between;flex-wrap:wrap;background:radial-gradient(500px 220px at 0 0,rgba(34,197,94,.22),transparent),radial-gradient(500px 220px at 1100px 260px,rgba(163,230,53,.12),transparent),var(--panel)}
.banner h2{margin:0;font-size:clamp(1.5rem,3vw,2.2rem)}.banner p{margin:.4rem 0 0;color:var(--muted)}
.quote{margin:2.4rem auto 0;max-width:720px;text-align:center;color:var(--muted);font-style:italic}
.quote cite{display:block;font-style:normal;font-family:var(--mono);font-size:.8rem;color:var(--g1);margin-top:.4rem}
/* faq */
.faq{max-width:820px;margin:0 auto}
details{border:1px solid var(--line);border-radius:14px;background:var(--panel);margin-bottom:.7rem}
summary{cursor:pointer;list-style:none;padding:1.1rem 1.3rem;font-weight:650;display:flex;gap:1rem;align-items:center}
summary::-webkit-details-marker{display:none}
summary .n{font-family:var(--mono);color:var(--g1);font-size:.8rem}
summary::after{content:"+";margin-left:auto;font-family:var(--mono);color:var(--muted);font-size:1.2rem}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 1.3rem 1.2rem 3.4rem;color:var(--muted)}
/* final */
.final{text-align:center;border:1px solid #2a4733;border-radius:26px;padding:3.5rem 1.5rem;background:radial-gradient(600px 300px at 50vw 0,rgba(34,197,94,.25),transparent),var(--panel)}
.final>p{color:var(--muted);max-width:560px;margin:0 auto 2rem}
form{display:grid;grid-template-columns:1fr 1fr;gap:1rem;max-width:640px;margin:0 auto;text-align:left}
form .full{grid-column:1/-1}
label{display:block;font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.field{display:grid}
input,select{padding:.8rem .9rem;border-radius:10px;border:1px solid #24382c;background:#06100a;color:var(--ink);font-size:1rem;font-family:inherit}
input:focus,select:focus{border-color:var(--g1)}
form .pill{justify-content:center;padding:.9rem;font-size:1rem}
form .pill[disabled]{cursor:not-allowed;opacity:.75}
.note{font-size:.85rem;color:var(--muted);text-align:center;margin:.2rem 0 0}
/* footer */
footer{border-top:1px solid var(--line);padding:3.5rem 0 2rem;margin-top:5rem}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
footer h4{font-family:var(--mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .8rem;font-weight:500}
footer ul{list-style:none;margin:0;padding:0}footer li{margin:.35rem 0}footer ul a{color:#cfe3d6;text-decoration:none;font-size:.92rem}footer ul a:hover{color:var(--g3)}
.fine{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
@media (max-width:920px){.links{display:none}.appbody{grid-template-columns:1fr}.side{display:none}.pane{border-right:0;border-bottom:1px solid var(--line)}.card,.card.w3{grid-column:span 3}.code{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.stats{grid-template-columns:1fr 1fr}.stats div:nth-child(3){border-left:0}.stats div:nth-child(n+3){border-top:1px solid var(--line)}.card,.card.w3{grid-column:1/-1}form{grid-template-columns:1fr}.top .pill{padding:.5rem .8rem;font-size:.85rem}.banner{padding:1.8rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* nav toggle + active */
.navtoggle{display:none;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:10px;width:42px;height:42px;cursor:pointer;font-size:1.2rem}
.links a.active,.links a[aria-current="page"]{color:var(--g3)}
@media (max-width:920px){.navtoggle{display:inline-grid;place-items:center}.top nav{position:relative}.links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:-1.25rem;right:-1.25rem;background:#060b08;border-bottom:1px solid var(--line);padding:1rem 1.25rem;gap:1rem}.top .pill.navcta{display:none}}
#toTop{position:fixed;right:1rem;bottom:1rem;z-index:60;width:44px;height:44px;border-radius:999px;border:1px solid #2b3d32;background:#0b120e;color:var(--g3);font-size:1.1rem;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s}
#toTop.show{opacity:1;pointer-events:auto}
/* form */
textarea{padding:.8rem .9rem;border-radius:10px;border:1px solid #24382c;background:#06100a;color:var(--ink);font-size:1rem;font-family:inherit;min-height:96px;resize:vertical}
.err{color:#fca5a5;font-size:.82rem;min-height:1.1em;margin-top:.25rem}
[aria-invalid="true"]{border-color:#f87171!important}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{width:18px;height:18px;margin-top:.2rem;accent-color:var(--g1)}
.status{grid-column:1/-1;text-align:center;border-radius:12px;padding:0;font-size:.95rem}
.status.ok{padding:.9rem;background:rgba(34,197,94,.1);border:1px solid #2a4733;color:var(--g3)}
.status.bad{padding:.9rem;background:rgba(248,113,113,.08);border:1px solid #5b2a2a;color:#fca5a5}
.status.info{padding:.9rem;background:rgba(163,230,53,.07);border:1px solid #33461f;color:#d9f99d}
/* inner pages */
.page{display:grid;grid-template-columns:240px 1fr;gap:3rem;padding:3.5rem 0}
.toc{position:sticky;top:88px;align-self:start;font-size:.9rem;max-height:calc(100vh - 110px);overflow:auto}
.toc h2{font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--g1);margin:0 0 .8rem}
.toc ul{list-style:none;margin:0;padding:0}.toc ul ul{padding-left:.9rem}.toc li{margin:.3rem 0}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{color:var(--g3)}
.prose{min-width:0}.prose h1{font-size:clamp(2rem,4vw,2.8rem);letter-spacing:-.03em;line-height:1.1;margin:0 0 1rem}
.prose h2{font-size:1.6rem;margin:2.6rem 0 .8rem;scroll-margin-top:84px}.prose h3{font-size:1.15rem;margin:1.8rem 0 .5rem;scroll-margin-top:84px}
.prose p,.prose li{color:#c9d8ce}.prose code{font-family:var(--mono);font-size:.86em;background:#0d1a12;border:1px solid var(--line);padding:.08rem .35rem;border-radius:6px}
.prose pre code{background:none;border:0;padding:0}
.prose table{border-collapse:collapse;margin:1rem 0;display:block;overflow-x:auto;font-size:.92rem}.prose th,.prose td{border:1px solid var(--line);padding:.55rem .7rem;text-align:left;vertical-align:top}.prose th{background:var(--panel2)}
.prose blockquote{margin:1rem 0;padding:.8rem 1.1rem;border-left:3px solid var(--g1);background:var(--panel);border-radius:0 10px 10px 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
.codewrap{position:relative;margin:1rem 0}
.copy{position:absolute;top:.6rem;right:.6rem;font-family:var(--mono);font-size:.72rem;background:#0f1a13;color:var(--g3);border:1px solid #2b3d32;border-radius:8px;padding:.3rem .6rem;cursor:pointer}
.updated{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
@media (max-width:920px){.page{grid-template-columns:1fr;gap:1.5rem}.toc{position:static;max-height:none;border:1px solid var(--line);border-radius:14px;padding:1rem;background:var(--panel)}}
.caption{margin:0 0 .6rem;font-size:.8rem;color:var(--muted);text-align:center;font-style:italic}
.note{margin-top:.8rem;font-size:.9rem;color:var(--muted)}