/* Layout: a builder's blueprint sheet — cool paper grid, ink lines, one signal-amber mark per screen; condensed industrial display type with mono dimension labels */
:root{
  --paper:#EEEDEA; --sheet:#FAFAF8; --ink:#1B1B1B; --ink-2:#5C5852; --line:#D9D6D0;
  --accent:#B8935A; --accent-ink:#1B1B1B; --blue:#8A6A3A; --logo-bg:#1B1B1B; --logo-fg:#FFFFFF;
  --display:"Archivo","Arial Narrow",Arial,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#121212; --sheet:#1B1B1B; --ink:#F2F0EB; --ink-2:#A9A398; --line:#2D2B28;
  --accent:#C9A46A; --accent-ink:#1B1B1B; --blue:#C9A46A; --logo-bg:#0E0E0E; --logo-fg:#FFFFFF; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#121212; --sheet:#1B1B1B; --ink:#F2F0EB; --ink-2:#A9A398; --line:#2D2B28;
  --accent:#C9A46A; --accent-ink:#1B1B1B; --blue:#C9A46A; --logo-bg:#0E0E0E; --logo-fg:#FFFFFF; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;
  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 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--sheet)}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-stretch:72%;line-height:.95;margin:0;text-wrap:balance;letter-spacing:-.01em}
h2{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;text-transform:uppercase}
h3{font-size:1.5rem;font-weight:700}
p{margin:0}
a{color:inherit}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.btn{display:inline-flex;align-items:center;gap:.5rem;font:600 1rem var(--body);padding:.85rem 1.4rem;border:2px solid var(--ink);background:var(--ink);color:var(--sheet);text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--accent)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.amber{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--sheet);border-bottom:2px solid var(--ink)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.8rem}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.logo .mark{width:46px;height:46px;flex:none;display:block}
.logo .wm{display:flex;flex-direction:column;gap:.15rem;line-height:1}
.logo .wm b{font:400 1.25rem/1 "Michroma","Archivo",sans-serif;letter-spacing:.18em}
.logo .wm small{font:600 .56rem/1 var(--body);letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.flogo{display:flex;align-items:center;gap:.8rem}
.logo svg{flex:none}
.links{display:flex;gap:1.6rem;align-items:center}
.links a{text-decoration:none;font-weight:500;font-size:.95rem;position:relative}
.links a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:2px;background:var(--accent);transition:right .2s}
.links a:not(.btn):hover::after{right:0}
.burger{display:none;background:none;border:2px solid var(--ink);width:44px;height:44px;cursor:pointer;color:var(--ink)}
@media (max-width:860px){
  .burger{display:grid;place-items:center}
  .links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--sheet);border-bottom:2px solid var(--ink);
    padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));display:none}
  .links.open{display:flex}
  .links a{padding:.9rem 0;border-top:1px solid var(--line)}
  .links .btn{justify-content:center;margin:.8rem 0}
}

/* hero */
.hero{padding-block:clamp(2.5rem,7vw,5.5rem) clamp(2rem,5vw,4rem)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center}
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(3rem,10vw,7.4rem);font-weight:900;text-transform:uppercase}
.hero h1 .amber{background:linear-gradient(transparent 62%,var(--accent) 62%,var(--accent) 92%,transparent 92%)}
.hero .lead{margin-top:1.4rem;font-size:1.15rem;max-width:34em;color:var(--ink-2)}
.hero .cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.sheet{background:var(--sheet);border:2px solid var(--ink);position:relative}
.drawing{padding:1rem}
.drawing svg{width:100%;height:auto;display:block}
.drawing .tag{position:absolute;top:-.8rem;left:1rem;background:var(--accent);color:var(--accent-ink);font:500 .72rem var(--mono);padding:.15rem .5rem;letter-spacing:.06em}
.draw-line{stroke:var(--ink);fill:none;stroke-width:2;stroke-dasharray:1400;stroke-dashoffset:0;animation:draw 2.4s ease-out both}
@keyframes draw{from{stroke-dashoffset:1400}to{stroke-dashoffset:0}}
.dim{stroke:var(--blue);stroke-width:1;fill:none}
.dimtxt{fill:var(--blue);font:500 11px var(--mono)}
.win{fill:var(--blue);opacity:.18;transition:opacity .3s,fill .3s}
.win.on{fill:var(--accent);opacity:.95}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}

/* strip */
.strip{background:var(--ink);color:var(--sheet)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding-block:1.6rem;gap:1rem}
.strip div{display:flex;flex-direction:column;gap:.2rem}
.strip strong{font:800 2.6rem/1 var(--display);font-stretch:72%;color:var(--accent);font-variant-numeric:tabular-nums}
.strip span{font-size:.9rem;opacity:.85}
@media (max-width:700px){.strip .wrap{grid-template-columns:repeat(2,1fr)}}

section{padding-block:clamp(3.5rem,8vw,6rem)}
.head{display:flex;justify-content:space-between;align-items:end;gap:1.5rem;flex-wrap:wrap;margin-bottom:2.4rem}
.head p{max-width:30em;color:var(--ink-2)}
.head .mono{display:block;margin-bottom:.6rem}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink);background:var(--sheet)}
.svc{padding:1.8rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:.8rem;transition:background .2s}
.svc:hover{background:var(--paper)}
.svc:nth-child(3n){border-right:none}
.svc:nth-last-child(-n+3){border-bottom:none}
.svc p{color:var(--ink-2);font-size:.95rem}
.svc.minor h3{font-size:1.25rem;color:var(--ink-2)}
.svc .ic{width:44px;height:44px;border:2px solid var(--ink);display:grid;place-items:center}
@media (max-width:860px){.services{grid-template-columns:1fr}.svc{border-right:none!important;border-bottom:1px solid var(--line)!important}.svc:last-child{border-bottom:none!important}}

/* projects */
.filters{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{font:500 .9rem var(--body);padding:.5rem 1rem;border:2px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--sheet)}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.proj{background:var(--sheet);border:2px solid var(--ink);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.proj:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink)}
.proj{text-decoration:none;color:inherit}
.proj .ph{position:relative;aspect-ratio:4/3;max-width:100%;overflow:hidden;border-bottom:2px solid var(--ink);background:var(--paper)}
.proj canvas{width:100%;height:100%;display:block}
.proj img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.proj:hover img{transform:scale(1.04)}
.proj .go{font:500 .78rem var(--mono);color:var(--blue);letter-spacing:.04em}
.proj .body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.5rem}
.proj .meta{display:flex;justify-content:space-between;gap:.5rem}
.badge{font:500 .7rem var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:.15rem .45rem;border:1px solid var(--ink-2);color:var(--ink-2)}
.badge.done{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
@media (max-width:960px){.projects{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.projects{grid-template-columns:1fr}}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink)}
.calc>*{min-width:0}
.calc form{background:var(--sheet);padding:clamp(1.2rem,3vw,2.2rem);display:flex;flex-direction:column;gap:1.4rem}
.field{display:flex;flex-direction:column;gap:.5rem}
.field label,.field legend{font-weight:600}
.range-row{display:flex;align-items:center;gap:1rem}
input[type=range]{flex:1;accent-color:var(--accent);min-width:0}
.range-row output{font:500 1.1rem var(--mono);min-width:5.5em;text-align:right;font-variant-numeric:tabular-nums}
fieldset{border:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}
.seg{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{padding:.65rem .4rem;text-align:center;cursor:pointer;font-weight:500;font-size:.92rem;border-right:1px solid var(--line)}
.seg label:last-of-type{border-right:none}
.seg input:checked+label{background:var(--ink);color:var(--sheet)}
.seg input:focus-visible+label{outline:3px solid var(--accent);outline-offset:-3px}
select,input[type=text],input[type=tel],textarea{font:inherit;color:var(--ink);background:var(--paper);border:2px solid var(--ink);padding:.7rem .8rem;width:100%;border-radius:0}
.result{background:var(--ink);color:var(--sheet);padding:clamp(1.2rem,3vw,2.2rem);display:flex;flex-direction:column;gap:1.2rem;justify-content:space-between}
.result .mono{color:var(--accent)}
.total{font:900 clamp(2.6rem,7vw,4.6rem)/1 var(--display);font-stretch:70%;font-variant-numeric:tabular-nums}
.breakdown{display:flex;flex-direction:column;gap:.5rem;font-size:.95rem}
.breakdown div{display:flex;justify-content:space-between;gap:1rem;border-bottom:1px dashed rgba(255,255,255,.25);padding-bottom:.4rem}
:root[data-theme="dark"] .breakdown div{border-bottom-color:rgba(0,0,0,.25)}
.breakdown b{font-family:var(--mono);font-weight:500;font-variant-numeric:tabular-nums}
.result small{opacity:.75;font-size:.85rem}
@media (max-width:860px){.calc{grid-template-columns:1fr}}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--ink)}
.step{padding:1.4rem 1rem 0 0;position:relative;display:flex;flex-direction:column;gap:.5rem;cursor:default}
.step::before{content:"";position:absolute;top:-8px;left:0;width:14px;height:14px;background:var(--sheet);border:2px solid var(--ink);transition:background .2s}
.step:hover::before{background:var(--accent)}
.step .n{font:800 2.4rem/1 var(--display);font-stretch:70%;color:var(--blue)}
.step p{font-size:.92rem;color:var(--ink-2)}
@media (max-width:860px){.steps{grid-template-columns:1fr;border-top:none;border-left:2px solid var(--ink);gap:1.6rem}.step{padding:0 0 0 1.4rem}.step::before{top:.4rem;left:-8px}}

/* faq */
.faq{display:flex;flex-direction:column;border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;padding:1.2rem 0;font-weight:600;font-size:1.08rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:500 1.5rem/1 var(--mono);color:var(--blue);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:1.2rem;color:var(--ink-2);max-width:65ch}

/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:2rem}
.contact>*{min-width:0}
.info{display:flex;flex-direction:column;gap:1.4rem}
.info .row{display:flex;flex-direction:column;gap:.2rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.info .row strong{font-size:1.15rem;word-break:break-word}
.copy{font:500 .75rem var(--mono);background:none;border:1px solid var(--ink-2);color:var(--ink-2);padding:.2rem .5rem;cursor:pointer;align-self:flex-start;margin-top:.3rem}
.cform{padding:clamp(1.2rem,3vw,2rem);display:flex;flex-direction:column;gap:1rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.two>*{min-width:0}
.done-box{border:2px dashed var(--blue);padding:1rem;display:flex;flex-direction:column;gap:.6rem}
.done-box pre{white-space:pre-wrap;font:400 .88rem var(--mono);margin:0;background:var(--paper);padding:.8rem;overflow-x:auto}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
@media (max-width:520px){.two{grid-template-columns:1fr}}

footer{background:var(--ink);color:var(--sheet)}
footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-block:1.6rem;font-size:.9rem}
footer a{color:var(--accent)}
.toast{position:fixed;left:50%;bottom:calc(1.2rem + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--sheet);padding:.7rem 1.1rem;font-size:.9rem;border-left:4px solid var(--accent);z-index:30}

/* blog */
.page-head{padding-block:clamp(2.2rem,6vw,4rem) 1.4rem}
.crumbs{display:flex;flex-wrap:wrap;gap:.4rem;font:500 .78rem var(--mono);letter-spacing:.04em;color:var(--ink-2);margin-bottom:1rem}
.crumbs a{color:var(--ink-2)}
.page-title{font-size:clamp(2.3rem,6.5vw,4.4rem);font-weight:900;text-transform:uppercase}
.meta-line{margin-top:1rem;font:500 .8rem var(--mono);color:var(--ink-2);letter-spacing:.04em}
.article-wrap{padding-block:0 4rem}
.prose{max-width:70ch;font-size:1.06rem;line-height:1.75;min-width:0}
.prose h2{font-size:clamp(1.5rem,3.4vw,2.1rem);text-transform:none;font-weight:800;margin:2.2rem 0 .7rem}
.prose p,.prose ul,.prose ol{margin:0 0 1.1rem}
.prose ul{padding-left:1.2rem}
.prose li{margin:.35rem 0}
.prose a{color:var(--blue);text-underline-offset:3px}
.answer{border-left:4px solid var(--accent);background:var(--sheet);padding:1rem 1.2rem;margin:0 0 1.8rem;font-size:1.08rem}
.answer b{display:block;font:600 .74rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.4rem}
.cta-box{border:2px solid var(--ink);background:var(--sheet);padding:1.4rem;margin-top:2.6rem;display:flex;flex-direction:column;gap:.8rem;align-items:flex-start}
.cta-box h3{font-size:1.6rem}
.related{margin-top:3rem}
.related h2{margin-bottom:1.2rem}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.post{background:var(--sheet);border:2px solid var(--ink);padding:1.4rem;display:flex;flex-direction:column;gap:.7rem;text-decoration:none;color:inherit;transition:transform .2s,box-shadow .2s;min-width:0}
.post:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink)}
.post h3{font-size:1.45rem;line-height:1.05}
.post p{color:var(--ink-2);font-size:.95rem}
.post .go{font:500 .78rem var(--mono);color:var(--blue);margin-top:auto}
@media (max-width:960px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.blog-grid{grid-template-columns:1fr}}
.fnav{display:flex;gap:1.2rem;flex-wrap:wrap}