*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--paper);font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;background-attachment:fixed}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(60% 50% at 50% 0%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 70%);z-index:0}
main,header,footer{position:relative;z-index:1}
img{max-width:100%;display:block}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-.01em;line-height:1.12;margin:0 0 .5em}
h1{font-size:clamp(2.6rem,6vw,4.6rem)}
h1 em{font-style:italic;color:var(--accent)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
h3{font-size:1.2rem}
code{font:.9em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--ink-2);border:1px solid var(--line);padding:.05em .4em;border-radius:4px;color:var(--accent-2)}
.wrap{width:min(1180px,92vw);margin:0 auto}
.hp{position:absolute;left:-9999px}
.kicker{font:600 .72rem/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 1rem}
.section-head{max-width:720px;margin:0 0 2.2rem}
.section-sub{color:var(--paper-2);margin:0;font-size:1.05rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.4em;padding:.7rem 1.25rem;border-radius:6px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;line-height:1.2;text-decoration:none!important;transition:transform .15s,background .15s,border-color .15s}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn-solid:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-line{background:transparent;color:var(--paper);border-color:color-mix(in srgb,var(--paper) 35%,transparent)}
.btn-line:hover{border-color:var(--paper);background:color-mix(in srgb,var(--paper) 6%,transparent)}
.btn-ghost{background:transparent;color:var(--paper-2)}
.btn-ghost:hover{color:var(--paper)}
.btn-lg{padding:.95rem 1.6rem;font-size:1.02rem}
.btn-sm{padding:.45rem .85rem;font-size:.82rem}
.btn:disabled{opacity:.55;cursor:wait}
.link-btn{background:none;border:0;color:var(--paper-2);font:inherit;font-size:.85rem;cursor:pointer;padding:0}
.link-btn:hover{color:var(--accent-2)}

/* topbar */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--ink) 78%,transparent);border-bottom:1px solid var(--line)}
.topbar-row{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:66px}
.brand{display:flex;align-items:center;gap:.7rem;color:var(--paper);text-decoration:none!important}
.brand-mark{width:36px;height:36px;border:2px solid var(--accent);border-radius:6px;display:grid;place-items:center;font-family:var(--display);font-style:italic;font-size:1.25rem;color:var(--paper)}
.brand-text{font-family:var(--display);font-size:1.15rem;line-height:1}
.brand-text small{display:block;font:500 .62rem/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-2);margin-top:.3rem}
.topnav{display:flex;gap:1.6rem}
.topnav a{color:var(--paper-2);font-size:.92rem}
.topnav a:hover{color:var(--paper);text-decoration:none}
@media (max-width:900px){.topnav{display:none}}

/* hero */
.hero{padding:4.5rem 0 3.5rem}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);gap:3.5rem;align-items:start}
@media (max-width:1000px){.hero-grid{grid-template-columns:1fr}.hero{padding-top:3rem}}
.lede{font-size:1.15rem;color:var(--paper-2);max-width:56ch;margin:0 0 1.8rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:2.2rem}
.fact-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:0}
.fact-strip div{padding:.9rem 1.1rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--ink-2) 80%,transparent)}
.fact-strip div:nth-child(2n){border-right:0}
.fact-strip div:nth-last-child(-n+2){border-bottom:0}
.fact-strip dt{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--paper-2)}
.fact-strip dd{margin:.15rem 0 0;font-weight:600;font-size:.95rem}

/* lab */
.lab{background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:1.4rem;box-shadow:0 30px 80px -30px color-mix(in srgb,var(--accent) 45%,transparent);position:relative}
.lab::before{content:"";position:absolute;inset:-1px;border-radius:12px;padding:1px;background:linear-gradient(135deg,var(--accent),transparent 40%,transparent 60%,var(--accent-2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none;opacity:.6}
.lab-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1rem}
.lab-head h2{font-size:1.35rem;margin:0}
.lab-blocks{display:grid;gap:.75rem;max-height:340px;overflow:auto;padding-right:.3rem;scrollbar-width:thin}
.block{display:grid;grid-template-columns:78px 1fr;gap:.6rem;align-items:start}
.block-label{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--paper-2);padding-top:.45rem}
.chips{display:flex;flex-wrap:wrap;gap:.35rem}
.chip{background:transparent;border:1px solid var(--line);color:var(--paper-2);font:inherit;font-size:.78rem;padding:.3rem .6rem;border-radius:999px;cursor:pointer;transition:all .12s}
.chip:hover{border-color:var(--paper-2);color:var(--paper)}
.chip.on{background:color-mix(in srgb,var(--accent) 18%,transparent);border-color:var(--accent);color:var(--paper)}
.lab-out-label{display:block;margin:1.1rem 0 .4rem;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--paper-2)}
.lab-out-label small{text-transform:none;letter-spacing:0}
.lab-prompt{width:100%;resize:vertical;background:var(--ink);border:1px solid var(--line);border-radius:8px;color:var(--paper);font:.92rem/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding:.8rem}
.lab-prompt:focus{outline:none;border-color:var(--accent)}
.lab-row{display:flex;gap:1.4rem;flex-wrap:wrap;margin:1rem 0}
.seg{border:0;padding:0;margin:0;display:flex;gap:.3rem;align-items:center;flex-wrap:wrap}
.seg legend{float:left;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--paper-2);margin-right:.4rem}
.seg-opt{background:transparent;border:1px solid var(--line);color:var(--paper-2);font:inherit;font-size:.82rem;padding:.35rem .7rem;border-radius:6px;cursor:pointer}
.seg-opt.on{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.lab-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.lab-note{font-size:.8rem;color:var(--paper-2);margin:.8rem 0 0}
.lab-result{margin-top:1rem;border-top:1px solid var(--line);padding-top:1rem}
.bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden}
.bar span{display:block;height:100%;width:0;background:var(--accent);transition:width .4s}
.lab-status{font-size:.85rem;color:var(--paper-2);margin:.6rem 0}
#lab-img{border-radius:8px;border:1px solid var(--line);margin:.5rem 0}
.lab-upsell{background:color-mix(in srgb,var(--accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);border-radius:8px;padding:1rem;display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.lab-upsell p{margin:0;font-size:.92rem}

/* answer box */
.answer-wrap{padding:2rem 0 4rem}
.answer-box{background:var(--paper);color:var(--ink);border-radius:12px;padding:2.4rem clamp(1.4rem,4vw,3rem)}
.answer-box .kicker{color:color-mix(in srgb,var(--accent) 80%,var(--ink))}
.answer-box h2{margin-bottom:.8rem}
.answer-box>p{font-size:1.08rem;max-width:78ch;margin:0 0 1.6rem}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0 2rem;margin:0;border-top:1px solid color-mix(in srgb,var(--ink) 14%,transparent)}
.kv div{display:grid;grid-template-columns:120px 1fr;gap:1rem;padding:.7rem 0;border-bottom:1px solid color-mix(in srgb,var(--ink) 14%,transparent)}
.kv dt{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;opacity:.65;padding-top:.15rem}
.kv dd{margin:0;font-size:.95rem}

/* examples */
.examples-wrap{padding:2rem 0 4rem}
.anatomy-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.2rem}
.anatomy{display:grid;grid-template-columns:150px 1fr;background:var(--ink-2);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:border-color .15s}
.anatomy:hover{border-color:color-mix(in srgb,var(--accent) 60%,var(--line))}
.anatomy figure{margin:0;aspect-ratio:2/3;overflow:hidden}
.anatomy img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.anatomy:hover img{transform:scale(1.04)}
.anatomy-body{padding:1rem 1rem .9rem;display:flex;flex-direction:column}
.anatomy h3{font-size:1.02rem;margin-bottom:.6rem}
.tokens{list-style:none;margin:0 0 .9rem;padding:0;display:flex;flex-wrap:wrap;gap:.3rem;flex:1}
.tokens li{font:.72rem/1.3 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;border:1px solid var(--line);border-radius:4px;padding:.15rem .4rem;color:var(--paper-2)}
.tokens li:first-child{border-color:var(--accent);color:var(--accent-2)}
.anatomy-actions{display:flex;gap:.4rem}
@media (max-width:460px){.anatomy{grid-template-columns:1fr}.anatomy figure{aspect-ratio:3/2}}

/* process */
.process-wrap{padding:2rem 0 4rem}
.process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.process li{padding:1.6rem 1.4rem;border-right:1px solid var(--line);background:color-mix(in srgb,var(--ink-2) 60%,transparent)}
.process li:last-child{border-right:0}
.process .num{font-family:var(--display);font-style:italic;font-size:2.4rem;color:var(--accent);line-height:1;display:block;margin-bottom:.6rem}
.process p{margin:0;color:var(--paper-2);font-size:.95rem}
@media (max-width:760px){.process li{border-right:0;border-bottom:1px solid var(--line)}.process li:last-child{border-bottom:0}}

/* tools table */
.tools-wrap{padding:2rem 0 4rem}
.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:10px}
.tools{width:100%;border-collapse:collapse;min-width:820px;font-size:.92rem}
.tools th,.tools td{text-align:left;padding:.9rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}
.tools thead th{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--paper-2);background:var(--ink-2);font-weight:600}
.tools tbody th{font-weight:600;color:var(--paper);white-space:nowrap}
.tools td{color:var(--paper-2)}
.tools tbody tr:last-child th,.tools tbody tr:last-child td{border-bottom:0}
.tools tbody tr:hover{background:color-mix(in srgb,var(--accent) 6%,transparent)}
.row-link{white-space:nowrap;font-weight:600}

/* presets */
.presets-wrap{padding:2rem 0 4rem}
.presets{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem}
.preset{border-top:2px solid var(--accent);padding:1.2rem 0 0}
.preset p{color:var(--paper-2);margin:0;font-size:.97rem}

/* voices */
.voices-wrap{padding:2rem 0 4rem}
.voices{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem}
.voice{margin:0;background:var(--ink-2);border:1px solid var(--line);border-radius:10px;padding:1.5rem}
.voice p{font-family:var(--display);font-size:1.15rem;line-height:1.45;margin:0 0 1rem}
.voice footer{font-size:.85rem;color:var(--paper-2)}
.voice cite{font-style:normal;color:var(--paper);font-weight:600}

/* faq */
.faq-wrap{padding:2rem 0 4rem}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 2.5rem 1.1rem 0;font-family:var(--display);font-size:1.15rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:.9rem;font-size:1.5rem;color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 0 1.2rem;color:var(--paper-2);max-width:78ch}
.faq-a p{margin:0}

/* final */
.final-wrap{padding:2rem 0 5rem}
.final{text-align:center;border:1px solid var(--line);border-radius:14px;padding:3.5rem clamp(1.2rem,4vw,3rem);background:radial-gradient(80% 120% at 50% 100%,color-mix(in srgb,var(--accent) 22%,transparent),var(--ink-2))}
.final h2{max-width:20ch;margin:0 auto .8rem}
.final p{color:var(--paper-2);max-width:56ch;margin:0 auto 1.8rem}
.final .hero-actions{justify-content:center;margin:0}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:3rem 0 2.5rem;background:var(--ink-2);font-size:.88rem;color:var(--paper-2)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 2fr;gap:2.5rem}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr}}
.footer-name{font-family:var(--display);font-size:1.3rem;color:var(--paper);margin:0 0 .3rem}
.footer-tag{margin:0}
.footer-nav{display:flex;flex-direction:column;gap:.4rem}
.footer-nav a{color:var(--paper-2)}
.footer-legal p{margin:0 0 .7rem}
.footer-legal a{color:var(--paper);text-decoration:underline}
.footer-copy{color:color-mix(in srgb,var(--paper-2) 70%,transparent)}

/* article pages */
.article-wrap{padding:3.5rem 0 5rem;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:3.5rem}
@media (max-width:900px){.article-wrap{grid-template-columns:1fr}.toc{display:none}}
.article{max-width:74ch}
.article h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.article h2{margin-top:2.6rem;font-size:1.7rem}
.article h3{margin-top:1.8rem}
.article p,.article li{color:var(--paper-2);font-size:1.02rem}
.article p strong,.article li strong{color:var(--paper)}
.article .lede{font-size:1.2rem}
.article table{width:100%;border-collapse:collapse;font-size:.92rem;margin:1rem 0}
.article th,.article td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.article th{color:var(--paper);font-weight:600}
.article td{color:var(--paper-2)}
.prompt-block{background:var(--ink-2);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:6px;padding:.9rem 1.1rem;margin:1rem 0;font:.9rem/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--paper);word-break:break-word}
.toc{position:sticky;top:90px;align-self:start;border-left:1px solid var(--line);padding-left:1.2rem;font-size:.88rem}
.toc p{margin:0 0 .6rem;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--paper-2)}
.toc a{display:block;color:var(--paper-2);padding:.25rem 0}
.toc a:hover{color:var(--paper);text-decoration:none}
.meta-line{font-size:.82rem;color:var(--paper-2);margin:0 0 2rem}

/* age gate */
.age-gate{position:fixed;inset:0;z-index:100;background:color-mix(in srgb,var(--ink) 94%,transparent);backdrop-filter:blur(10px);display:grid;place-items:center;padding:1rem}
.age-gate[hidden]{display:none}
.age-card{max-width:520px;background:var(--ink-2);border:1px solid var(--line);border-radius:14px;padding:2.4rem}
.age-kicker{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 .8rem}
.age-card h2{font-size:1.6rem}
.age-card p{color:var(--paper-2)}
.age-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.4rem}