/* =========================================================
   AISEO.la — "Lab notebook"
   Graph-paper off-white, ink black, one signal green.
   JetBrains Mono for headings & labels, Inter Tight for body.
   ========================================================= */
:root{
  --paper:#F6F4EE; --paper-2:#ECE9E0; --card:#FFFDF8;
  --ink:#111111; --ink-2:#1C1C1A; --muted:#55524A;
  --on-dark:#F6F4EE; --on-dark-muted:#B9B6AD;
  --green:#18B26B; --green-d:#0E7C49; --green-soft:#DCF2E5;
  --line:rgba(17,17,17,.16); --line-dark:rgba(246,244,238,.18);
  --grid:rgba(17,17,17,.045); --grid-major:rgba(17,17,17,.06);
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --f-sans:'Inter Tight',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --max:1200px; --gut:40px; --r:6px; --r-l:8px; --b:1.5px solid var(--ink);
  --shadow:4px 4px 0 var(--ink);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;overflow-x:clip;background-color:var(--paper);background-image:linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:120px 120px,120px 120px,24px 24px,24px 24px;color:var(--ink);font-family:var(--f-sans);font-size:17.5px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-d);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--green-d);outline-offset:3px;border-radius:2px}
.dark :focus-visible,.cta :focus-visible,.ftr :focus-visible,.mnav :focus-visible,.side-card :focus-visible{outline-color:var(--green)}
::selection{background:var(--green);color:var(--ink)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.sec{padding:112px 0}
.sec-s{padding:72px 0}
.skip{position:absolute;left:-9999px;top:10px;z-index:200;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:var(--r);font-family:var(--f-mono);font-size:14px}
.skip:focus{left:16px;color:var(--paper)}
.muted{color:var(--muted)}
.center{text-align:center}
.center .kicker{justify-content:center}
.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute!important;width:1px;word-wrap:normal!important}

/* type */
h1,h2,h3,h4{margin:0;font-family:var(--f-mono);font-weight:700;letter-spacing:-.035em;line-height:1.1;overflow-wrap:break-word}
.display{font-size:clamp(34px,5.3vw,72px);line-height:1.02;letter-spacing:-.05em}
.h1{font-size:clamp(32px,4.3vw,56px);line-height:1.06;letter-spacing:-.045em}
.h2{font-size:clamp(27px,3.2vw,42px)}
.h3{font-size:22px;line-height:1.2}
.serif{font-style:normal;color:var(--green-d)}
.dark .serif,.cta .serif,.side-card .serif{color:var(--green)}
.lead{font-size:clamp(17.5px,1.5vw,20px);line-height:1.6;color:var(--muted);margin:0}
.kicker{display:inline-flex;align-items:baseline;gap:8px;font-family:var(--f-mono);font-size:13px;font-weight:500;letter-spacing:.01em;text-transform:lowercase;color:var(--green-d);margin:0}
.kicker::before{content:"//";color:var(--muted);font-weight:400}
.dark .kicker,.cta .kicker,.side-card .kicker{color:var(--green)}
.dark .kicker::before,.cta .kicker::before{color:var(--on-dark-muted)}
code,kbd,samp,pre{font-family:var(--f-mono)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 22px;border-radius:var(--r);border:var(--b);font-family:var(--f-mono);font-size:14.5px;font-weight:600;letter-spacing:-.01em;text-transform:lowercase;text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s,color .2s}
.btn .arr{transition:transform .2s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.btn-primary{background:var(--green);color:var(--ink);box-shadow:3px 3px 0 var(--ink)}
.btn-primary:hover{color:var(--ink);transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink)}
.btn-primary:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--ink-2);color:var(--green)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-ghost:hover{color:inherit;background:rgba(127,127,127,.12)}
.cta .btn-primary,.dark .btn-primary,.side-card .btn-primary,.mnav .btn-primary{box-shadow:3px 3px 0 var(--paper);border-color:var(--paper)}
.btn-sm{min-height:42px;padding:0 16px;font-size:13.5px}

/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(246,244,238,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:var(--b);transition:box-shadow .3s}
.hdr.scrolled{box-shadow:0 6px 0 -3px rgba(17,17,17,.06)}
.hdr-in{display:flex;align-items:center;gap:24px;height:74px}
.brand{flex:none;display:block;border-radius:var(--r)}
.brand img{height:50px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:4px;color:var(--ink);text-decoration:none;font-family:var(--f-mono);font-size:14px;font-weight:500;text-transform:lowercase}
.nav a::before{content:"/";color:var(--green-d)}
.nav a:hover{background:rgba(17,17,17,.07);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--ink);color:var(--paper)}
.nav a[aria-current="page"]::before{color:var(--green)}
.burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:var(--r);border:var(--b);background:var(--card);color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.mnav{position:fixed;inset:0;z-index:150;background-color:var(--ink);background-image:linear-gradient(rgba(24,178,107,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(24,178,107,.07) 1px,transparent 1px);background-size:24px 24px;color:var(--paper);display:flex;flex-direction:column;padding:16px var(--gut) 28px;overflow-y:auto}
.mnav[hidden]{display:none}
.mnav-top{display:flex;justify-content:space-between;align-items:center;height:60px;gap:16px}
.mnav-top img{height:36px;width:auto}
.mnav .close{flex:none;width:46px;height:46px;border-radius:var(--r);border:1.5px solid var(--line-dark);background:transparent;color:var(--paper);font-size:24px;line-height:1;cursor:pointer}
.mnav nav{margin-top:28px;display:flex;flex-direction:column}
.mnav nav a{display:flex;justify-content:space-between;align-items:center;color:var(--paper);text-decoration:none;font-family:var(--f-mono);font-size:28px;font-weight:600;letter-spacing:-.03em;text-transform:lowercase;padding:14px 0;border-bottom:1px dashed var(--line-dark)}
.mnav nav a::after{content:"→";color:var(--green);font-size:20px}
.mnav .btn{margin-top:auto;min-height:56px}

/* hero: headline + bench (photo and experiment log) */
.hero{position:relative;padding:72px 0 104px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:56px;align-items:center}
.hero h1{margin-top:22px}
.hero .lead{margin-top:24px;max-width:560px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:36px 0 0;padding:0}
.chips li{display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border:var(--b);border-radius:4px;background:var(--card);font-family:var(--f-mono);font-size:12.5px;font-weight:500}
.chips li::before{content:"";width:7px;height:7px;background:var(--green);border-radius:1px}
.chips-label{display:block;margin-top:36px;font-family:var(--f-mono);font-size:12.5px;color:var(--muted)}
.chips-label + .chips{margin-top:10px}
.bench{position:relative}
.bench .photo{width:84%;margin-left:auto;aspect-ratio:4/3}
.term{position:relative;margin:-120px 0 0;width:94%;background:var(--ink);color:var(--on-dark);border:var(--b);border-radius:var(--r-l);box-shadow:6px 6px 0 var(--green);font-family:var(--f-mono);font-size:13px;line-height:1.55;overflow:hidden}
.term-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line-dark);color:var(--on-dark-muted);font-size:12px}
.term-bar .dots{display:inline-flex;gap:6px;flex:none}
.term-bar .dots i{width:10px;height:10px;border-radius:50%;background:#3A3A37}
.term-bar .dots i:last-child{background:var(--green)}
.term-bar .file{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{margin-left:auto;flex:none;padding:2px 8px;border:1px solid var(--green);border-radius:3px;color:var(--green);font-size:11px;text-transform:lowercase}
.term-body{padding:16px 18px 18px}
.term-body p{margin:0}
.term-body p+p,.term-body .res+p,.term-body p+.res{margin-top:10px}
.term .cmd{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--on-dark)}
.term .ps{color:var(--green);margin-right:.5ch}
.term .dim{color:var(--on-dark-muted)}
.term .str{color:#F2D49B}
.res{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.res > div{border:1px solid var(--line-dark);border-radius:4px;padding:8px 10px;min-width:0}
.res b{display:block;color:var(--paper);font-weight:600;font-size:12px;margin-bottom:4px}
.res ol{margin:0;padding:0;list-style:none;counter-reset:r}
.res li{counter-increment:r;padding:1px 4px;border-radius:3px;color:var(--on-dark-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.res li::before{content:counter(r) " ";color:#8E8C85}
.res li.hit{background:var(--green);color:var(--ink);font-weight:700}
.res li.hit::before{color:var(--ink)}
.term .next{color:var(--paper)}
.term .next .ps{color:var(--green)}

/* cards & grids */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:var(--b);border-radius:var(--r);padding:30px;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
a.card{color:inherit;text-decoration:none;display:flex;flex-direction:column}
a.card:hover,.card.lift:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow);color:inherit}
.card h3{font-size:20px;line-height:1.25}
.card p{color:var(--muted);margin:12px 0 0;font-size:16px}
.card .more{display:inline-flex;gap:8px;margin-top:auto;padding-top:22px;font-family:var(--f-mono);font-size:13.5px;font-weight:600;color:var(--green-d);text-transform:lowercase}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:26px}
.idx{font-family:var(--f-mono);font-size:12.5px;color:var(--muted)}
.icon{width:44px;height:44px;border:var(--b);border-radius:var(--r);background:var(--green-soft);color:var(--ink);display:flex;align-items:center;justify-content:center;flex:none}
.icon svg{width:22px;height:22px}
.sec-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:24px;margin-bottom:52px}
.sec-head .lead{max-width:500px}
.sec-head h2{margin-top:16px;max-width:680px}

/* spec sheets (home services) */
.spec{display:flex;flex-direction:column;background:var(--card);border:var(--b);border-radius:var(--r-l);overflow:hidden;color:inherit;text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.spec:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow);color:inherit}
.spec-h{display:flex;justify-content:space-between;gap:12px;padding:10px 20px;background:var(--ink);color:var(--on-dark-muted);font-family:var(--f-mono);font-size:12.5px}
.spec-h b{color:var(--green);font-weight:600}
.spec-b{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1}
.spec h3{font-size:22px}
.spec p{margin:10px 0 0;color:var(--muted);font-size:16px}
.spec dl{margin:22px 0 0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:0 16px;font-size:14.5px}
.spec dt,.spec dd{margin:0;padding:9px 0;border-top:1px dashed var(--line)}
.spec dt{font-family:var(--f-mono);font-size:12.5px;color:var(--muted);padding-top:11px}
.spec .more{margin-top:auto;padding-top:20px;font-family:var(--f-mono);font-size:13.5px;font-weight:600;color:var(--green-d)}

/* dark (console) sections */
.dark{background-color:var(--ink);background-image:linear-gradient(rgba(24,178,107,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(24,178,107,.07) 1px,transparent 1px);background-size:24px 24px;color:var(--on-dark);position:relative;border-top:var(--b);border-bottom:var(--b)}
.dark .lead,.dark .muted{color:var(--on-dark-muted)}
.dark a:not(.btn){color:var(--green)}
.dark .card{background:var(--ink-2);border-color:var(--line-dark);color:var(--on-dark)}
.dark .card p{color:var(--on-dark-muted)}
.dark .icon{background:transparent;border-color:var(--green);color:var(--green)}
.dark .idx{color:var(--on-dark-muted)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;list-style:none;margin:0;padding:0}
.step{position:relative;border:1.5px solid var(--line-dark);border-radius:var(--r);padding:26px 24px;background:rgba(17,17,17,.6)}
.step:not(:last-child)::after{content:"→";position:absolute;right:-24px;top:26px;font-family:var(--f-mono);color:var(--green);font-size:18px}
.step .n{font-family:var(--f-mono);font-size:13px;color:var(--green)}
.step h3{margin-top:14px;font-size:22px;color:var(--paper)}
.step p{color:var(--on-dark-muted);margin:10px 0 0;font-size:16px}
.step code{font-size:.86em;color:var(--paper);background:rgba(246,244,238,.08);padding:.1em .35em;border-radius:3px}

/* who it's for */
.who{list-style:none;margin:28px 0 0;padding:0;border-top:var(--b)}
.who li{display:grid;grid-template-columns:minmax(0,190px) minmax(0,1fr);gap:20px;padding:16px 0;border-bottom:1px dashed var(--line)}
.who strong{font-family:var(--f-mono);font-size:14.5px;font-weight:600;text-transform:lowercase}
.who strong::before{content:"› ";color:var(--green-d)}
.who span{color:var(--muted);font-size:16px}

/* lab rules */
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5px;list-style:none;margin:0;padding:0;background:var(--ink);border:var(--b);border-radius:var(--r-l);overflow:hidden}
.rules li{background:var(--card);padding:28px 28px 30px}
.rules .rn{display:block;font-family:var(--f-mono);font-size:12.5px;color:var(--green-d)}
.rules h3{margin-top:12px;font-size:19px;line-height:1.3}
.rules p{margin:10px 0 0;color:var(--muted);font-size:15.5px}

/* tags, photos, split */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:4px;background:var(--card);border:var(--b);font-family:var(--f-mono);font-size:13.5px;font-weight:500;text-transform:lowercase}
.tag svg{width:16px;height:16px;color:var(--green-d);flex:none}
.photo{position:relative;margin:0;border:var(--b);border-radius:var(--r);overflow:hidden;background:var(--paper-2)}
.photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(.8) contrast(1.08);mix-blend-mode:multiply}
.photo figcaption{position:absolute;left:10px;bottom:10px;padding:3px 8px;background:var(--card);border:var(--b);border-radius:3px;font-family:var(--f-mono);font-size:11.5px;color:var(--ink)}
.photo-wide{aspect-ratio:4/3}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center}
.ticks{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start}
.ticks li::before{content:"✓";flex:none;width:22px;height:22px;margin-top:2px;border:var(--b);border-radius:4px;background:var(--green-soft);color:var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:12px;font-weight:700}
.dark .ticks li::before,.side-card .ticks li::before{background:transparent;border-color:var(--green);color:var(--green)}

/* blog cards */
.post-card{display:flex;flex-direction:column;background:var(--card);border:var(--b);border-radius:var(--r);overflow:hidden;color:inherit;text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.post-card:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow);color:inherit}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);border-bottom:var(--b)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;filter:grayscale(.65) contrast(1.05);transition:filter .3s,transform .5s var(--ease)}
.post-card:hover .thumb img{filter:none;transform:scale(1.03)}
.post-card .thumb:empty{aspect-ratio:16/7;background:url(../img/mark.png) center/64px no-repeat,linear-gradient(var(--grid-major) 1px,transparent 1px) 0 0/16px 16px,linear-gradient(90deg,var(--grid-major) 1px,transparent 1px) 0 0/16px 16px,var(--paper-2)}
.post-card .thumb:empty::after{content:"fig. —";position:absolute;left:14px;bottom:12px;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .cat{font-family:var(--f-mono);font-size:12.5px;font-weight:500;text-transform:lowercase;color:var(--green-d)}
.post-card .cat::before{content:"#"}
.post-card h3{font-size:19px;line-height:1.28;letter-spacing:-.03em}
.post-card p{margin:0;color:var(--muted);font-size:15.5px}
.post-card .meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.post-feature{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}
.post-feature .thumb{aspect-ratio:auto;min-height:340px;border-bottom:0;border-right:var(--b)}
.post-feature .thumb:empty{aspect-ratio:auto;background-size:88px,16px 16px,16px 16px,auto}
.post-feature .body{padding:40px;justify-content:center}
.post-feature h3{font-size:clamp(24px,2.5vw,32px);line-height:1.15}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px}
.filters a{padding:7px 14px;border-radius:4px;border:var(--b);text-decoration:none;color:var(--ink);font-family:var(--f-mono);font-size:13.5px;font-weight:500;text-transform:lowercase;background:var(--card)}
.filters a[aria-current="page"],.filters a:hover{background:var(--ink);color:var(--paper)}
.pagination .nav-links{display:flex;flex-wrap:wrap;gap:8px}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 12px;border:var(--b);border-radius:4px;background:var(--card);color:var(--ink);font-family:var(--f-mono);font-size:14px;text-decoration:none}
.pagination .page-numbers.current,.pagination a.page-numbers:hover{background:var(--ink);color:var(--paper)}
.pagination .dots{border-color:transparent;background:transparent}

/* article */
.article-hero{padding:72px 0 40px}
.article-hero .cat{display:inline-block;font-family:var(--f-mono);font-size:13px;font-weight:500;text-decoration:none;text-transform:lowercase;color:var(--green-d);padding:4px 10px;border:var(--b);border-radius:4px;background:var(--card)}
.article-hero .cat::before{content:"#"}
.article-hero .cat:hover{background:var(--ink);color:var(--paper)}
.article-hero .meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:24px;color:var(--muted);font-family:var(--f-mono);font-size:13px}
.article-img{border:var(--b);border-radius:var(--r-l);overflow:hidden;aspect-ratio:16/8;background:var(--paper-2)}
.article-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(.5) contrast(1.05)}
.article-grid{display:grid;grid-template-columns:210px minmax(0,1fr);gap:64px;align-items:start}
.article-grid > div{min-width:0}
.prose{font-size:18px;line-height:1.75;color:#24231F}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(23px,2.3vw,29px);line-height:1.25;margin-top:2em;color:var(--ink);scroll-margin-top:100px}
.prose h2::before{content:"## ";color:var(--green-d);font-weight:400}
.prose h3{font-size:20px;line-height:1.3;margin-top:1.6em;color:var(--ink)}
.prose h3::before{content:"### ";color:var(--green-d);font-weight:400}
.prose p,.prose ul,.prose ol{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--green-d);font-family:var(--f-mono)}
.prose strong{color:var(--ink)}
.prose a{color:var(--green-d)}
.prose a:hover{color:var(--ink)}
.prose code{font-size:.84em;background:rgba(17,17,17,.07);border:1px solid rgba(17,17,17,.1);padding:.08em .35em;border-radius:4px;overflow-wrap:anywhere;color:var(--ink)}
.prose pre{position:relative;max-width:100%;overflow-x:auto;background:var(--ink);color:#E9E7E0;padding:44px 22px 20px;border:var(--b);border-radius:var(--r-l);font-size:13.5px;line-height:1.65;-webkit-overflow-scrolling:touch;tab-size:2}
.prose pre::before{content:"";position:absolute;left:16px;top:16px;width:10px;height:10px;border-radius:50%;background:#3A3A37;box-shadow:16px 0 0 #3A3A37,32px 0 0 var(--green)}
.prose pre code{background:none;border:0;padding:0;font-size:inherit;color:inherit;white-space:pre;overflow-wrap:normal}
.prose blockquote{margin:2em 0 0;padding:22px 26px;border:var(--b);border-left:6px solid var(--green);border-radius:var(--r);background:var(--green-soft)}
.prose blockquote::before{content:"// lab note";display:block;font-family:var(--f-mono);font-size:12.5px;font-weight:600;color:var(--green-d);margin-bottom:6px}
.prose blockquote p{margin:0}
.prose img{border:var(--b);border-radius:var(--r)}
.prose table{width:100%;border-collapse:collapse;font-size:15.5px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}
.prose th{font-family:var(--f-mono);font-size:13px;background:var(--paper-2)}
.prose hr{border:0;border-top:1.5px dashed var(--line);margin:2.4em 0}
.ast-takeaways{background:var(--card);border:var(--b);border-radius:var(--r-l);padding:24px 28px;box-shadow:5px 5px 0 var(--green)}
.ast-takeaways-title{margin:0!important;font-family:var(--f-mono);font-size:13px;font-weight:700;color:var(--green-d)}
.ast-takeaways-title::before{content:"> "}
.ast-takeaways ul{margin:12px 0 0!important;padding-left:1.1em;font-size:16.5px;line-height:1.65}
.toc{position:sticky;top:104px;font-family:var(--f-mono)}
.toc p{font-size:12.5px;font-weight:600;text-transform:lowercase;color:var(--muted);margin:0 0 12px}
.toc p::before{content:"// "}
.toc ol{list-style:none;margin:0;padding:0;border-left:1.5px solid var(--line)}
.toc a{display:block;padding:7px 0 7px 14px;margin-left:-1.5px;border-left:1.5px solid transparent;color:var(--muted);text-decoration:none;font-size:13px;line-height:1.45}
.toc a:hover,.toc a.on{color:var(--ink);border-left-color:var(--green)}
.toc a.on{font-weight:600}
.author{display:flex;gap:16px;align-items:center;margin-top:56px;padding:22px;border:var(--b);border-radius:var(--r-l);background:var(--card)}
.author img{flex:none;width:56px;height:56px;border:var(--b);border-radius:var(--r);background:var(--paper);padding:5px}
.author strong{font-family:var(--f-mono);font-size:15px}

/* FAQ */
.faq details{border-bottom:1px dashed var(--line)}
.faq details:last-child{border-bottom:var(--b)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 0;font-family:var(--f-mono);font-size:18px;font-weight:600;letter-spacing:-.02em;line-height:1.35;border-radius:2px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--green-d)}
.faq .pm{flex:none;width:34px;height:34px;border:var(--b);border-radius:4px;display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:18px;font-weight:500;color:var(--ink);background:var(--card);transition:background .2s}
.faq details[open] .pm{background:var(--green);font-size:0}
.faq details[open] .pm::before{content:"\2212";font-size:18px}
.faq .a{margin:0;padding:0 54px 24px 0;color:var(--muted)}

/* CTA: a console window */
.cta-wrap{margin-top:40px}
.cta{position:relative;background-color:var(--ink);background-image:linear-gradient(rgba(24,178,107,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(24,178,107,.08) 1px,transparent 1px);background-size:24px 24px;color:var(--paper);border:var(--b);border-radius:var(--r-l);padding:104px 72px 72px;overflow:hidden;box-shadow:8px 8px 0 var(--green)}
.cta::before{content:"~/aiseo.la/next-step";position:absolute;left:0;right:0;top:0;height:42px;display:flex;align-items:center;padding:0 16px 0 82px;border-bottom:1px solid var(--line-dark);background:radial-gradient(circle at 22px 21px,#3A3A37 5px,transparent 5.5px),radial-gradient(circle at 40px 21px,#3A3A37 5px,transparent 5.5px),radial-gradient(circle at 58px 21px,var(--green) 5px,transparent 5.5px),var(--ink);font-family:var(--f-mono);font-size:12px;color:var(--on-dark-muted);white-space:nowrap;overflow:hidden}
.cta h2{margin-top:18px;max-width:760px;color:var(--paper)}
.cta h2::after{content:"";display:inline-block;width:.5em;height:.09em;margin-left:.14em;background:var(--green);vertical-align:baseline;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.cta .lead{color:var(--on-dark-muted);max-width:560px;margin-top:18px}
.cta .hero-ctas{margin-top:34px}

/* page hero */
.page-hero{position:relative;padding:88px 0 60px}
.page-hero h1{margin-top:20px;max-width:940px}
.page-hero .lead{margin-top:22px;max-width:660px}

/* services: numbered spec sheets */
.svc{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;padding:60px 48px 48px;margin-top:36px;background:var(--card);border:var(--b);border-radius:var(--r-l)}
.svc:first-child{margin-top:0}
.svc::before{content:attr(data-spec);position:absolute;left:24px;top:-1.5px;padding:4px 10px;background:var(--ink);color:var(--paper);border-radius:0 0 4px 4px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.02em}
.svc .num{display:inline-flex;width:56px;height:56px;border:var(--b);border-radius:var(--r);background:var(--green);color:var(--ink);align-items:center;justify-content:center;font-family:var(--f-mono);font-size:20px;font-weight:700}
.svc h2{font-size:clamp(25px,2.6vw,34px);margin-top:20px}
.svc .for{margin-top:16px;font-family:var(--f-mono);font-size:13px;color:var(--muted);padding-top:14px;border-top:1px dashed var(--line)}
.deliv{background:var(--paper);border:1.5px dashed rgba(17,17,17,.4);border-radius:var(--r);padding:28px 30px}
.deliv h3{font-family:var(--f-mono);font-size:13px;font-weight:600;letter-spacing:0;text-transform:lowercase;color:var(--green-d)}
.deliv h3::before{content:"// "}
.deliv .ticks{font-size:16.5px}

/* forms */
.form{display:grid;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field label{font-family:var(--f-mono);font-size:13px;font-weight:600;text-transform:lowercase}
.field .opt{font-weight:400;color:var(--muted)}
.input{font:inherit;font-size:16px;color:var(--ink);background:var(--card);border:var(--b);border-radius:var(--r);min-height:52px;padding:0 16px;width:100%;transition:border-color .2s,box-shadow .2s}
.input::placeholder{color:#6B685F}
textarea.input{padding:14px 16px;min-height:150px;resize:vertical;line-height:1.55}
select.input{appearance:none;-webkit-appearance:none;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111111' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right 14px center/18px no-repeat;padding-right:44px}
.input:focus{outline:none;border-color:var(--green-d);box-shadow:0 0 0 3px rgba(24,178,107,.35)}
.check{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted)}
.check input{width:20px;height:20px;margin-top:3px;accent-color:var(--green-d);flex:none}
.notice{padding:16px 20px;border-radius:var(--r);font-weight:600;font-size:16px}
.notice-ok{background:var(--green-soft);border:1.5px solid var(--green-d);color:#0A5532}
.notice-ok::before{content:"✓ ";font-family:var(--f-mono)}
.notice-err{background:#FBE4DC;border:1.5px solid #B3361B;color:#8A2610}
.notice-err::before{content:"! ";font-family:var(--f-mono)}
.hp{position:absolute!important;left:-9999px}
.two-col{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}
.side-card{position:relative;background:var(--ink);color:var(--paper);border:var(--b);border-radius:var(--r-l);padding:36px;box-shadow:6px 6px 0 var(--green)}
.side-card h2,.side-card h3{color:var(--paper)}
.side-card .muted{color:var(--on-dark-muted)}
.side-card a{color:var(--green)}
.side-card a:hover{color:var(--paper)}

/* footer */
.ftr{background-color:var(--ink);background-image:linear-gradient(rgba(24,178,107,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(24,178,107,.06) 1px,transparent 1px);background-size:24px 24px;color:var(--on-dark-muted);padding:88px 0 36px;margin-top:112px;border-top:var(--b)}
.ftr a{color:var(--on-dark-muted);text-decoration:none}
.ftr a:hover{color:var(--paper);text-decoration:underline}
.ftr-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:48px}
.ftr img{height:40px;width:auto}
.ftr-blurb{margin-top:22px;max-width:360px;font-size:16px}
.ftr-mail{color:var(--green)!important;font-family:var(--f-mono);font-size:15px;font-weight:600}
.ftr h4{color:var(--green);font-family:var(--f-mono);font-size:13px;font-weight:600;letter-spacing:0;text-transform:lowercase;margin:0 0 18px}
.ftr h4::before{content:"// ";color:var(--on-dark-muted)}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:15.5px}
.ftr-bottom{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between;margin-top:72px;padding-top:24px;border-top:1px dashed var(--line-dark);font-family:var(--f-mono);font-size:12.5px}

/* motion */
.up{animation:up .8s var(--ease) both;animation-delay:var(--d,0s)}
@keyframes up{from{opacity:0;transform:translateY(14px)}}
@supports (animation-timeline:view()){
  .rv{animation:rv linear both;animation-timeline:view();animation-range:entry 0% entry 35%}
  @keyframes rv{from{opacity:0;transform:translateY(20px)}}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:1020px){
  .g4,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rules{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step:nth-child(2)::after{display:none}
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .hero-grid{gap:40px}
}
@media (max-width:860px){
  :root{--gut:20px}
  body{font-size:16.5px}
  .sec{padding:80px 0}.sec-s{padding:56px 0}
  .nav,.hdr-cta{display:none}
  .burger{display:inline-flex}
  .hdr-in{height:66px}
  .brand img{height:42px}
  .hero{padding:44px 0 72px}
  .hero-grid,.split,.two-col,.svc,.post-feature,.g2,.g3,.g4,.steps,.rules,.ftr-grid{grid-template-columns:minmax(0,1fr)}
  .hero-grid{gap:48px}
  .bench .photo{width:calc(100% - 18px)}
  .term{width:100%;margin-top:-56px}
  .step:not(:last-child)::after{content:"↓";right:auto;left:24px;top:auto;bottom:-27px}
  .step:nth-child(2)::after{display:block}
  .steps{gap:30px}
  .split{gap:44px}
  .sec-head{margin-bottom:36px}
  .cta{padding:84px 22px 44px;box-shadow:5px 5px 0 var(--green)}
  .svc{gap:28px;padding:52px 22px 24px;margin-top:28px}
  .deliv{padding:22px 20px}
  .post-feature .thumb{min-height:0;aspect-ratio:16/10;border-right:0;border-bottom:var(--b)}
  .post-feature .thumb:empty{aspect-ratio:16/7}
  .post-feature .body{padding:24px}
  .who li{grid-template-columns:minmax(0,1fr);gap:4px}
  .faq .a{padding-right:0}
  .faq summary{font-size:16.5px}
  .side-card{padding:28px 22px}
  .two-col > .card{padding:24px 20px!important}
  .ftr{margin-top:80px;padding-top:64px}
  .ftr-grid{gap:36px}
  .prose{font-size:17px}
  .prose pre{margin-left:calc(var(--gut) * -1);max-width:none;margin-right:calc(var(--gut) * -1);border-radius:0;border-left:0;border-right:0;font-size:13px}
  .ast-takeaways{padding:20px 20px;box-shadow:4px 4px 0 var(--green)}
}
@media (max-width:480px){
  .btn{white-space:normal;text-align:center}
  .hero-ctas .btn{flex:1 1 100%}
  .res{grid-template-columns:minmax(0,1fr);gap:6px}
  .res > div{display:grid;grid-template-columns:86px minmax(0,1fr);align-items:start;gap:8px}
  .res b{margin:1px 0 0}
  .res ol{display:flex;flex-wrap:wrap;gap:2px 8px}
  .term{font-size:12.5px}
  .term-body{padding:14px}
  .spec-b{padding:22px 20px}
  .rules li{padding:22px 20px}
  .card{padding:24px 22px}
}