/* Ctrl+N 3D — shared styles.
   Layout idea: slicer-style light workspace; layer-line texture as the one recurring device. */
:root{
  --paper:#eaeef1; --panel:#fafbfc; --ink:#0f1c26; --ink-2:#41535f; --line:#cdd6dc; --line-2:#aebbc4;
  --layer:#1f3a4e; --orange:#ff5b14; --orange-d:#d6430a; --teal:#0d7c80; --bed:#b08c4a;
  --font:"Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --r:10px; --gutter:20px; --max:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.6 var(--font);font-optical-sizing:auto}
img,svg{max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
h1,h2,h3{font-family:var(--font);font-stretch:112%;font-variation-settings:"wdth" 112;letter-spacing:-0.015em;text-wrap:balance;margin:0}
h2{font-size:clamp(1.6rem,1.1rem + 2vw,2.4rem);line-height:1.08;font-weight:780}
h3{font-size:1.2rem;line-height:1.2;font-weight:720}
p{margin:0}
.lead{font-size:1.1rem;color:var(--ink-2);max-width:62ch}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(234,238,241,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:12px 24px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:5px;text-decoration:none;font-weight:800;font-stretch:112%;font-variation-settings:"wdth" 112;margin-right:auto}
.brand kbd{font:inherit;font-size:.78rem;line-height:1;padding:6px 8px 7px;border-radius:6px;background:var(--panel);border:1.5px solid var(--ink);box-shadow:0 3px 0 var(--layer)}
.brand span{font-size:1.15rem;margin-left:4px}
.nav{display:flex;align-items:center;gap:4px 18px;flex-wrap:wrap}
.nav a{text-decoration:none;font-weight:560;font-size:.95rem;padding:6px 2px;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current=page]{border-bottom-color:var(--orange)}

/* buttons / chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;border-radius:var(--r);padding:13px 22px;border:2px solid var(--ink);background:transparent;cursor:pointer;line-height:1.1}
.btn--solid{background:var(--orange);border-color:var(--ink);color:var(--ink);box-shadow:0 4px 0 var(--ink);transition:transform .08s,box-shadow .08s}
.btn--solid:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}
.chip{display:inline-block;font-size:.8rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--ink);color:#fff}
.chip--soon{background:var(--orange);color:var(--ink)}

/* hero */
.hero{padding:clamp(28px,5vw,64px) 0 clamp(24px,4vw,48px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(20px,4vw,56px);align-items:center}
.hero h1{font-size:clamp(2.5rem,1.1rem + 5.6vw,5.5rem);line-height:.98;font-weight:830;font-variation-settings:"wdth" 118;font-stretch:118%;letter-spacing:-0.025em}
.hero .lead{margin-top:20px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-art{width:100%;max-width:600px;justify-self:end}
.hero-art svg{display:block;width:100%}
.lay{transform-box:fill-box;transform-origin:left center;transform:scaleX(.55)}
.nz{transform:translateX(-10px)}
@media (prefers-reduced-motion:no-preference){
  .lay{animation:print 5.6s ease-in-out infinite alternate}
  .nz{animation:nozzle 5.6s ease-in-out infinite alternate}
}
@keyframes print{from{transform:scaleX(.04)}to{transform:scaleX(1)}}
@keyframes nozzle{from{transform:translateX(-80px)}to{transform:translateX(80px)}}

/* sections */
.sec{padding:clamp(32px,5vw,64px) 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-bottom:10px}
.sec .lead{margin-bottom:24px}

/* generator mock */
.gen{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:0;background:var(--panel);border:2px solid var(--ink);border-radius:14px;overflow:hidden;box-shadow:0 6px 0 var(--ink)}
.gen__stage{background:var(--bed);padding:14px;display:flex;flex-direction:column;gap:12px}
.gen__tabs{display:flex;gap:6px;flex-wrap:wrap}
.gen__tabs span{font-size:.82rem;font-weight:600;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.55)}
.gen__tabs span.on{background:var(--ink);color:#fff}
.gen__stage svg{display:block;width:100%;border-radius:8px}
.gen__panel{padding:18px 20px 20px;display:flex;flex-direction:column;gap:16px;border-left:2px solid var(--ink)}
.gen__panel h3{font-size:.95rem;margin-bottom:8px}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.tile{aspect-ratio:1;border:1.5px solid var(--line-2);border-radius:8px;background:#fff;display:grid;place-items:center;padding:6px}
.tile svg{width:100%;height:100%}
.tile.on{border-color:var(--ink);background:#e1ebe5;box-shadow:inset 0 0 0 1px var(--ink)}
.pills{display:flex;flex-wrap:wrap;gap:6px}
.pills span{font-size:.82rem;padding:4px 10px;border:1.5px solid var(--line-2);border-radius:999px;background:#fff}
.pills span.on{border-color:var(--ink);background:#e1ebe5;font-weight:700}
.sl{display:grid;grid-template-columns:1fr auto;gap:2px 12px;font-size:.88rem}
.sl output{font-weight:700;font-variant-numeric:tabular-nums}
.sl input{grid-column:1 / -1;width:100%;accent-color:var(--teal)}
.sw{display:flex;align-items:center;gap:10px;font-size:.9rem}
.sw i{width:38px;height:22px;border-radius:999px;background:var(--teal);position:relative;display:block}
.sw i::after{content:"";position:absolute;right:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff}
.gen__panel .btn{margin-top:auto}
.gen__note{margin-top:14px;font-size:.92rem;color:var(--ink-2)}

/* ads: reserve space so the page never jumps when the ad loads */
.ad{display:block;margin:0 auto;max-width:100%;text-align:center}
.ad__label{display:block;font-size:.72rem;font-weight:600;color:var(--ink-2);margin-bottom:4px}
.ad__slot{display:grid;place-items:center;border:1.5px dashed var(--line-2);border-radius:8px;background:repeating-linear-gradient(0deg,transparent 0 9px,rgba(15,28,38,.045) 9px 10px);color:var(--ink-2);font-size:.85rem;padding:8px}
.ad--leader .ad__slot{min-height:90px;max-width:728px;margin:0 auto}
.ad--rect .ad__slot{min-height:250px;max-width:336px;margin:0 auto}
.ad--tall .ad__slot{min-height:600px;max-width:300px}
.ad.is-live .ad__slot{border:0;background:none;padding:0;color:inherit}
.ad-band{padding:8px 0 4px}

/* models */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.model{display:flex;flex-direction:column;text-decoration:none;background:var(--panel);border:2px solid var(--ink);border-radius:14px;overflow:hidden;transition:transform .12s,box-shadow .12s;box-shadow:0 4px 0 var(--ink)}
.model:hover{transform:translateY(-3px);box-shadow:0 7px 0 var(--ink)}
.model__thumb{aspect-ratio:4/3;position:relative;border-bottom:2px solid var(--ink);--c:var(--orange);background:repeating-linear-gradient(0deg,var(--c) 0 6px,color-mix(in srgb,var(--c) 78%,#fff) 6px 8px)}
.model:nth-child(2) .model__thumb{--c:var(--teal)}
.model:nth-child(3) .model__thumb{--c:var(--layer)}
.model__thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.model__thumb b{position:absolute;left:16px;bottom:12px;font-size:2.6rem;line-height:1;font-weight:850;font-stretch:118%;font-variation-settings:"wdth" 118;color:#fff;mix-blend-mode:normal;text-shadow:0 2px 0 rgba(0,0,0,.25)}
.model__body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px}
.model__body small{color:var(--ink-2);font-size:.85rem;font-variant-numeric:tabular-nums}
.model__go{margin-top:6px;font-weight:700;color:var(--orange-d)}
.more{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;background:var(--ink);color:#fff;border-radius:14px;padding:clamp(20px,3vw,32px)}
.more p{color:#c9d5dd;max-width:56ch;margin-top:6px}
.more .btn--solid{box-shadow:0 4px 0 #000}

/* teaser + social */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:center}
.split figure{margin:0}
.split img{display:block;border-radius:14px;border:2px solid var(--ink);width:100%}
.split .lead{margin:12px 0 22px}
.social{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.social a{display:flex;align-items:center;gap:14px;text-decoration:none;background:var(--panel);border:2px solid var(--ink);border-radius:14px;padding:18px 20px;box-shadow:0 4px 0 var(--ink);transition:transform .1s,box-shadow .1s}
.social a:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--ink)}
.social svg{flex:none;width:34px;height:34px}
.social b{display:block;font-size:1.1rem}
.social span{font-size:.9rem;color:var(--ink-2)}

footer{margin-top:clamp(24px,4vw,48px);background:var(--ink);color:#c9d5dd;position:relative}
footer::before{content:"";display:block;height:14px;background:repeating-linear-gradient(0deg,var(--orange) 0 3px,transparent 3px 7px)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;padding-top:28px;padding-bottom:32px;font-size:.92rem}
footer a{color:#fff}

/* guide page */
.guide-head{padding:clamp(28px,5vw,56px) 0 12px}
.guide-head h1{font-size:clamp(2.2rem,1.2rem + 4.2vw,4.2rem);line-height:1;font-weight:820;font-variation-settings:"wdth" 116;font-stretch:116%;max-width:16ch}
.guide-head .lead{margin-top:18px}
.guide{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(24px,4vw,56px);align-items:start;padding-bottom:32px}
.prose{min-width:0;max-width:760px}
.prose h2{margin:40px 0 12px}
.prose ul{padding-left:1.2em;margin:0}
.prose li{margin:6px 0}
.note{background:#fff3ea;border-left:5px solid var(--orange);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:20px 0}
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:36px;counter-reset:s}
.steps li{counter-increment:s;display:grid;gap:12px}
.steps figure{margin:0}
.steps img{display:block;width:100%;border:2px solid var(--ink);border-radius:14px}
.steps h2{margin:0;font-size:1.6rem;display:flex;gap:12px;align-items:baseline}
.steps h2::before{content:counter(s);flex:none;display:inline-grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:8px;background:var(--ink);color:#fff;font-size:1.05rem;font-weight:800;transform:translateY(-2px)}
table{width:100%;border-collapse:collapse;background:var(--panel);border:2px solid var(--ink);border-radius:var(--r);overflow:hidden;font-variant-numeric:tabular-nums}
caption{text-align:left;font-weight:700;padding:0 0 8px}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line)}
th{background:var(--ink);color:#fff;font-weight:700}
tr:last-child td{border-bottom:0}
details{background:var(--panel);border:2px solid var(--ink);border-radius:var(--r);margin:10px 0}
summary{cursor:pointer;font-weight:700;padding:14px 18px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-weight:400;font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details p{padding:0 18px 16px;color:var(--ink-2)}
.side{position:sticky;top:76px;display:flex;flex-direction:column;gap:24px}
.toc{background:var(--panel);border:2px solid var(--ink);border-radius:var(--r);padding:16px 18px}
.toc h2{font-size:1rem;margin-bottom:8px}
.toc ol{margin:0;padding-left:1.2em;font-size:.95rem}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}
.cta{margin:48px 0 0;background:var(--ink);color:#fff;border-radius:14px;padding:clamp(22px,3vw,34px);display:grid;gap:12px;justify-items:start}
.cta p{color:#c9d5dd;max-width:56ch}
.cta .btn--solid{box-shadow:0 4px 0 #000}

@media (max-width:980px){
  .guide{grid-template-columns:1fr}
  .side{position:static}
  .ad--tall .ad__slot{min-height:250px;max-width:336px;margin:0 auto}
}
@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{justify-self:center;max-width:520px}
  .gen{grid-template-columns:1fr}
  .gen__panel{border-left:0;border-top:2px solid var(--ink)}
  .cards{grid-template-columns:1fr}
  .model{flex-direction:row}
  .model__thumb{aspect-ratio:auto;width:38%;border-bottom:0;border-right:2px solid var(--ink);min-height:120px}
  .model__thumb b{font-size:1.6rem;left:10px;bottom:8px}
  .split{grid-template-columns:1fr}
  .social{grid-template-columns:1fr}
}
@media (max-width:520px){
  .nav{gap:2px 14px}
  .nav a{font-size:.9rem}
}