:root{--paper:#fbf7f1;--cream:#f3e7d3;--ink:#1d1617;--muted:#6b5a55;--red:#EF3340;--red-ink:#c41230;--night:#150b0c;--night-2:#1f1012;--on-night:#ece3df;--night-muted:#cfc3bf;--gold:#f2b134;--kopi:#6b4226;
--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
--r:18px;--max:1160px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:16px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
a{color:var(--red-ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
code{font:500 .86em/1.4 var(--mono);background:#1d161710;padding:.12em .36em;border-radius:6px;overflow-wrap:anywhere}
q{quotes:"“" "”"}
.wrap{width:min(100% - 40px,var(--max));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;z-index:9}
.skip:focus{left:12px}
h1,h2,h3{line-height:1.08;letter-spacing:-.025em;margin:0}
h2{font-size:clamp(30px,4.6vw,54px);font-weight:800;max-width:20ch;text-wrap:balance}
h3{font-size:20px;font-weight:700;letter-spacing:-.01em;line-height:1.25}
.kicker{font:700 12.5px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--red-ink);margin:0 0 18px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:26px;height:2px;background:currentColor}
.intro{max-width:64ch;color:var(--muted);font-size:18.5px;margin:22px 0 0}

/* hero */
.hero{position:relative;min-height:100svh;background:radial-gradient(70% 60% at 75% 40%,#ef334033,transparent 70%),radial-gradient(50% 50% at 15% 85%,#6b422640,transparent 70%),var(--night);color:var(--on-night);display:flex;flex-direction:column;overflow:hidden;isolation:isolate;touch-action:pan-y}
#flow{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:-2}
.nogl #flow{display:none}
.hero-shade{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,#150b0cd9 0%,#150b0c8c 40%,#150b0c00 75%),linear-gradient(0deg,#150b0c 0%,transparent 22%)}
.top{display:flex;align-items:center;justify-content:space-between;padding:22px 0;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;letter-spacing:-.01em;font-size:18px}
.top ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.top ul a{color:var(--night-muted);text-decoration:none;font-size:15px;font-weight:500}
.top ul a:hover{color:#fff}
.hero-in{flex:1;display:grid;grid-template-columns:1.5fr .85fr;gap:56px;align-items:center;padding:40px 0 70px}
.eyebrow{display:inline-flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 26px;padding:8px 14px;border:1px solid #ffffff2e;border-radius:99px;background:#ffffff0d;font-size:13.5px;color:var(--night-muted);backdrop-filter:blur(6px)}
.eyebrow strong{color:#fff}
h1{font-size:clamp(42px,6.3vw,84px);font-weight:850;letter-spacing:-.045em;line-height:.98;color:#fff;text-wrap:balance}
h1 em{font:italic 500 1.04em/1 var(--serif);letter-spacing:-.02em;color:#ff5b66}
.lede{font-size:clamp(18px,1.9vw,22px);line-height:1.5;color:var(--on-night);max-width:36ch;margin:28px 0 0}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 24px;border-radius:99px;font-weight:700;font-size:16px;text-decoration:none;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-red{background:var(--red-ink);color:#fff;box-shadow:0 10px 30px -10px #ef3340aa}
.btn-red:hover{background:#d5142f}
.btn-ghost{color:#fff;border:1.5px solid #ffffff55}
.btn-ghost:hover{border-color:#fff}
.btn-line{color:var(--ink);border:1.5px solid var(--ink)}
.chat{margin:0;background:#1f1012d9;border:1px solid #ffffff1f;border-radius:var(--r);padding:0 0 18px;box-shadow:0 30px 80px -30px #000;backdrop-filter:blur(10px);font-size:15.5px}
.chat-bar{display:flex;gap:7px;align-items:center;padding:14px 18px;border-bottom:1px solid #ffffff14;margin-bottom:6px}
.chat-bar i{width:10px;height:10px;border-radius:50%;background:#ffffff26}.chat-bar i:first-child{background:var(--red)}
.chat-bar span{margin-left:8px;font:500 12px var(--mono);color:var(--night-muted)}
.msg{margin:12px 18px 0;padding:12px 14px;border-radius:14px;line-height:1.5}
.msg b{display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}
.msg.you{background:#ffffff12;color:#fff}.msg.you b{color:var(--gold)}
.msg.cl{background:#ef334021;border:1px solid #ef334047;color:var(--on-night)}.msg.cl b{color:#ff8a92}
.msg code,.how code{background:#ffffff1a;color:#fff}
.hint{margin-bottom:22px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#cfc3bf99}
.nogl .hint{display:none}

/* stats */
.stats{background:var(--red-ink);color:#fff}
.stats ul{list-style:none;margin:0 auto;padding:30px 0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.stats li{display:flex;flex-direction:column;gap:2px}
.stats b{font-size:clamp(34px,4.4vw,56px);font-weight:850;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.stats span{font-size:14.5px;opacity:.92}

.sec{padding:clamp(72px,10vw,128px) 0}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.cards article{background:#fff;border:1px solid #1d161714;border-radius:var(--r);padding:26px 24px}
.cards .ic{font:700 13px var(--mono);color:var(--red-ink)}
.cards h3{margin:14px 0 10px}
.cards p{margin:0;color:var(--muted);font-size:16px}

/* levels */
.levels{background:var(--cream)}
.lvs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.lv{background:var(--paper);border-radius:var(--r);padding:24px;border-top:6px solid var(--red);display:flex;flex-direction:column;gap:12px}
.lv2{border-top-color:var(--gold)}.lv3{border-top-color:var(--kopi)}
.lv header{display:flex;align-items:center;gap:12px}
.stall{font:700 12px var(--mono);background:var(--ink);color:#fff;padding:5px 8px;border-radius:6px}
.lvd{margin:0;font-size:14.5px;color:var(--muted)}
.bub{border-radius:14px;padding:12px 14px;font-size:16px;line-height:1.5}
.bub .who{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:3px;color:var(--muted)}
.bub.you{background:#fff;border:1px solid #1d161714;font-family:var(--serif);font-style:italic;font-size:17.5px}
.bub.cl{background:var(--night);color:var(--on-night)}.bub.cl .who{color:#ff8a92}
.bub.cl code{background:#ffffff1a;color:#fff}
.note{margin:28px 0 0;color:var(--muted);max-width:80ch}

/* how */
.how{background:var(--night);color:var(--on-night)}
.how h2{color:#fff}.how .kicker{color:#ff8a92}.how .intro{color:var(--night-muted)}
.pipe{list-style:none;margin:52px 0 0;padding:0;display:grid;gap:0;counter-reset:s}
.pipe>li{position:relative;padding:0 0 34px 44px;border-left:2px dashed #ef334066;margin-left:10px}
.pipe>li:last-child{border-left-color:transparent;padding-bottom:10px}
.pipe>li::before{content:"";position:absolute;left:-11px;top:2px;width:20px;height:20px;border-radius:50%;background:var(--night);border:3px solid var(--red)}
.step{display:block;font:700 12px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.pipe h3{color:#fff;margin-bottom:8px}
.pipe p{margin:0;color:var(--night-muted);max-width:70ch}
.fm{margin:16px 0 0;background:#0c0607;border:1px solid #ffffff1a;border-radius:14px;padding:18px;overflow:auto;max-width:860px}
.fm code{background:none;color:#e9dcd6;font-size:13.5px;line-height:1.65;white-space:pre-wrap;padding:0}
.fm .k{color:#ff8a92}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0;padding:0}
.chips li{border:1px solid #ffffff2e;border-radius:99px;padding:6px 12px;font-size:14px;color:#fff}
.split{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px;position:relative}
.out{border-radius:var(--r);padding:24px;background:var(--night-2);border:1px solid #ffffff1a}
.out h3{color:#fff;margin-bottom:8px}.out p{margin:0;color:var(--night-muted);font-size:15.5px}
.chat-out{border-color:#ef334080}.ship-out{border-color:#ffffff55}.safe-out{border-color:#f2b13480}
.fine{margin:28px 0 0;font-size:14.5px;color:var(--night-muted)}

/* respect */
.rules{counter-reset:r;list-style:none;margin:44px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0 36px}
.rules li{counter-increment:r;padding:22px 0;border-top:1px solid #1d161726;color:var(--muted)}
.rules li::before{content:"0" counter(r);display:block;font:700 13px var(--mono);color:var(--red-ink);margin-bottom:8px}
.rules b{color:var(--ink)}

/* install */
.install{background:var(--cream)}
.steps{list-style:none;counter-reset:st;margin:48px 0 0;padding:0;display:grid;gap:18px;max-width:880px}
.steps>li{counter-increment:st;background:var(--paper);border-radius:var(--r);padding:26px 26px 26px 78px;position:relative}
.steps>li::before{content:counter(st);position:absolute;left:24px;top:24px;width:36px;height:36px;border-radius:50%;background:var(--red-ink);color:#fff;display:grid;place-items:center;font-weight:800}
.steps p{margin:10px 0 0;color:var(--muted)}
.code{position:relative;margin-top:12px}
.code pre{margin:0;background:var(--night);color:#f3e9e4;border-radius:12px;padding:16px 92px 16px 18px;overflow:auto}
.code pre code{background:none;color:inherit;font-size:14px;padding:0;white-space:pre;overflow-wrap:normal}
.copy{position:absolute;top:10px;right:10px;font:600 13px var(--sans);color:#fff;background:#ffffff1f;border:1px solid #ffffff33;border-radius:8px;padding:6px 12px;cursor:pointer;min-height:32px}
.copy:hover{background:#ffffff33}.copy.ok{background:#2d7a46;border-color:#2d7a46}
.tips{margin-top:40px;max-width:880px}
.tips ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.tips li{padding-left:28px;position:relative;color:var(--muted)}
.tips li::before{content:"";position:absolute;left:4px;top:.62em;width:10px;height:10px;border-radius:3px;background:var(--red)}
.tips b,.tips q{color:var(--ink)}

/* vibe */
.vlist{list-style:none;margin:44px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 36px}
.vlist li{padding:18px 0;border-top:1px solid #1d161726;display:grid;gap:4px}
.vlist q{font:italic 500 20px/1.3 var(--serif);color:var(--ink)}
.vm{font-weight:600;font-size:15.5px}
.vr{color:var(--muted);font-size:15px}

/* glossary */
.glossary{background:#fff}
.search{margin:34px 0 10px;max-width:560px}
.search label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}
.search input{width:100%;font:500 17px var(--sans);padding:14px 18px;border-radius:12px;border:1.5px solid #1d161740;background:var(--paper);color:var(--ink)}
.search input:focus{outline:none;border-color:var(--red-ink);box-shadow:0 0 0 4px #c4123022}
.qn{margin:8px 0 0;font-size:14px;color:var(--muted);min-height:1.4em}
.gh{margin:36px 0 12px;font-size:22px}.gh span{font-weight:500;color:var(--muted);font-size:16px}
.gl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 36px}
.gl .g{display:grid;grid-template-columns:minmax(120px,38%) 1fr;gap:14px;padding:11px 0;border-top:1px solid #1d16171f}
.gl dt{font:italic 600 17.5px/1.35 var(--serif);color:var(--red-ink)}
.gl dd{margin:0;font-size:15.5px;line-height:1.45}
.gl .eg{display:block;margin-top:4px;font-size:13.5px;color:var(--muted)}
.gl .og{font-weight:600}
.gsec{border-top:2px solid var(--ink)}
.gsec:last-of-type{border-bottom:2px solid var(--ink)}
.gsec summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:12px;padding:18px 0;font-weight:750;font-size:19px}
.gsec summary::-webkit-details-marker{display:none}
.gsec summary::after{content:"+";margin-left:auto;font-size:26px;font-weight:400;line-height:1;color:var(--red-ink)}
.gsec[open] summary::after{content:"−"}
.gn{font:700 12px var(--mono);background:var(--red-ink);color:#fff;border-radius:6px;padding:4px 7px}
.gc{font:500 13px var(--mono);color:var(--muted)}
.gsec .gl{padding-bottom:18px}
.g[hidden],.gsec[hidden]{display:none}
.none{font-size:18px;color:var(--muted)}

/* footer */
.foot{background:var(--paper);padding:96px 0 60px;border-top:6px solid var(--red)}
.foot h2{max-width:none}.foot h2 em{font:italic 500 1em var(--serif);color:var(--red-ink)}
.lic{margin:40px 0 0;font-size:14.5px;color:var(--muted);max-width:70ch}

@media (max-width:1000px){
 .hero-in{grid-template-columns:1fr;gap:36px}
 .cards{grid-template-columns:1fr 1fr}
 .lvs,.split{grid-template-columns:1fr}
 .rules{grid-template-columns:1fr 1fr}
 .gl{grid-template-columns:1fr}
}
@media (max-width:720px){
 body{font-size:16.5px}
 .top ul{display:none}
 .hero-in{padding:16px 0 40px}
 .hero-shade{background:linear-gradient(180deg,#150b0c99 0%,#150b0c80 55%,#150b0c 100%)}
 .eyebrow .mit{display:none}
 .stats ul{grid-template-columns:repeat(2,1fr);gap:22px}
 .stats li:last-child{grid-column:span 2}
 .cards,.rules,.vlist{grid-template-columns:1fr}
 .steps>li{padding:70px 20px 22px}
 .steps>li::before{left:20px;top:20px}
 .gl .g{grid-template-columns:1fr;gap:2px}
 .btn{width:100%;justify-content:center}
 .chat{font-size:15px}
}
.hero-in>*,.cards>*,.lvs>*,.split>*,.steps>li,.vlist>li,.rules>li,.gl .g,.gl dd,.pipe>li{min-width:0}