/* Sensor Network / Sitech Consulting — site stylesheet
   Layout: left-aligned, 1200px measure; the product renders carry the page, text stays quiet.
   Colour world: light concrete grey, graphite text, brand yellow for the sensor and the primary action,
   oak brown only where timber is the subject, signal red only for the infrared sensor. */

@font-face{font-family:'Barlow';font-style:italic;font-weight:400;font-display:swap;src:url('../fonts/Barlow-400-italic.woff2') format('woff2');}
@font-face{font-family:'Barlow';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/Barlow-400.woff2') format('woff2');}
@font-face{font-family:'Barlow';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/Barlow-500.woff2') format('woff2');}
@font-face{font-family:'Barlow';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/Barlow-600.woff2') format('woff2');}
@font-face{font-family:'Barlow Semi Condensed';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/BarlowSemiCondensed-500.woff2') format('woff2');}
@font-face{font-family:'Barlow Semi Condensed';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/BarlowSemiCondensed-600.woff2') format('woff2');}
@font-face{font-family:'Barlow Semi Condensed';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/BarlowSemiCondensed-700.woff2') format('woff2');}

:root{
  color-scheme: light;
  --bg:#F3F4F1;
  --paper:#FFFFFF;
  --concrete:#E4E5DF;
  --concrete-deep:#CDCFC7;
  --line:#D4D5CF;
  --ink:#1F201C;
  --ink-2:#585A53;
  --ink-3:#86887F;
  --yellow:#E9C21A;
  --yellow-deep:#C9A50A;
  --yellow-soft:#FAEFB8;
  --oak:#9A6C3F;
  --oak-soft:#EEE3D3;
  --signal:#CE4A33;
  --ok:#2F7D4F;
  --font-display:'Barlow Semi Condensed','Arial Narrow',Arial,sans-serif;
  --font-body:'Barlow','Helvetica Neue',Arial,sans-serif;
  --radius:4px;
  --max:1200px;
  --gutter-l:max(24px, env(safe-area-inset-left, 0px));
  --gutter-r:max(24px, env(safe-area-inset-right, 0px));
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.55 var(--font-body);font-variant-numeric:tabular-nums}
img,video{max-width:100%;height:auto}
a{color:inherit;text-decoration-color:var(--yellow-deep);text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
:focus-visible{outline:3px solid var(--yellow-deep);outline-offset:2px}
h1,h2,h3,h4{margin:0;text-wrap:balance}
h1{font:600 clamp(2.1rem,4.3vw,3.6rem)/1.02 var(--font-display);letter-spacing:-0.012em}
h2{font:600 clamp(1.7rem,2.9vw,2.5rem)/1.08 var(--font-display);letter-spacing:-0.01em}
h3{font:600 1.375rem/1.25 var(--font-body)}
h4{font:600 1.0625rem/1.4 var(--font-body)}
p{margin:0}
.lead{font-size:clamp(1.125rem,1.6vw,1.375rem);line-height:1.45;color:var(--ink-2)}
.prose{max-width:62ch}
.prose p + p{margin-top:1em}
.muted{color:var(--ink-2)}
.small{font-size:.9375rem}
.caption{font-size:.875rem;line-height:1.45;color:var(--ink-2)}
ul,ol{margin:0;padding-left:1.25em}
li + li{margin-top:.35em}
strong{font-weight:600}
hr{border:0;border-top:1px solid var(--line);margin:0}
figure{margin:0}
figcaption{font-size:.875rem;line-height:1.45;color:var(--ink-2);margin-top:.6rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
.section{padding-block:clamp(56px,8vw,112px)}
.section-tight{padding-block:clamp(40px,5vw,72px)}
.band{background:var(--concrete)}
.band-paper{background:var(--paper)}
.band-oak{background:var(--oak-soft)}
.band-yellow{background:var(--yellow)}
.section-head{display:grid;gap:.9rem;max-width:62ch;margin-bottom:clamp(28px,4vw,52px)}
.section-head .lead{max-width:58ch}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,56px);align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.grid-2 > *,.grid-3 > *,.grid-4 > *{min-width:0}
.stack{display:grid;gap:1rem}
.stack-lg{display:grid;gap:clamp(24px,3vw,40px)}
.actions{display:flex;flex-wrap:wrap;gap:.75rem 1rem;align-items:center}
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.25rem;border-radius:var(--radius);font:600 1rem/1.2 var(--font-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}
.btn-primary{background:var(--yellow);color:var(--ink)}
.btn-primary:hover{background:var(--yellow-deep)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:var(--paper)}
.btn-ghost{background:var(--paper);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.band-yellow .btn-primary{background:var(--ink);color:var(--paper)}
.band-yellow .btn-primary:hover{background:#000}
.band-yellow .btn-secondary{border-color:var(--ink)}
.band-yellow .btn-secondary:hover{background:var(--ink);color:var(--yellow)}

/* ---------- header ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:1.5rem;min-height:68px}
.brand{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand img{height:36px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:.1rem}
.nav li{margin:0;position:relative}
.nav a,.nav .nav-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.55rem .7rem;border-radius:var(--radius);font:500 .9375rem/1.2 var(--font-body);color:var(--ink);text-decoration:none;background:none;border:0;cursor:pointer}
.nav a:hover,.nav .nav-btn:hover{background:var(--concrete)}
.nav a[aria-current="page"],.nav .nav-btn.current{box-shadow:inset 0 -2px 0 var(--yellow)}
.nav .nav-btn svg{width:12px;height:12px;transition:transform .15s}
.nav .has-sub.open > .nav-btn svg,.nav .has-sub:focus-within > .nav-btn svg{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 6px);left:0;min-width:260px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:.4rem;box-shadow:0 10px 30px -14px rgba(31,32,28,.35);display:none;flex-direction:column;gap:.1rem;z-index:5}
.sub a{display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;padding:.6rem .7rem;width:100%}
.sub a small{font-weight:400;color:var(--ink-2);font-size:.85rem}
.has-sub.open > .sub,.has-sub:focus-within > .sub{display:flex}
@media (hover:hover){.has-sub:hover > .sub{display:flex}}
.nav .login{margin-left:.5rem;border:1.5px solid var(--ink);font-weight:600}
.nav .login:hover{background:var(--ink);color:var(--paper)}
.menu-toggle{display:none;margin-left:auto;background:none;border:1.5px solid var(--ink);border-radius:var(--radius);padding:.45rem .6rem;cursor:pointer;color:var(--ink);font:600 .9375rem var(--font-body);align-items:center;gap:.5rem}
.menu-toggle svg{width:18px;height:18px}
@media (max-width:1080px){
  .nav a,.nav .nav-btn{padding:.5rem .5rem;font-size:.9rem}
  .brand img{height:32px}
}
@media (max-width:960px){
  .menu-toggle{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);padding:.75rem var(--gutter-r) 1.25rem var(--gutter-l);margin:0;max-height:calc(100vh - 80px);overflow:auto}
  .topbar.open .nav{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav li + li{margin-top:0}
  .nav a,.nav .nav-btn{width:100%;padding:.8rem .5rem;font-size:1.0625rem;border-radius:0;border-bottom:1px solid var(--line);justify-content:space-between}
  .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--yellow)}
  .sub{position:static;display:none;border:0;box-shadow:none;background:transparent;padding:0 0 0 1rem;min-width:0}
  .has-sub.open > .sub{display:flex}
  .nav .login{margin:1rem 0 0;justify-content:center;border-radius:var(--radius)}
}

/* ---------- hero (home) ---------- */
.hero{display:grid;grid-template-columns:minmax(var(--gutter-l),1fr) minmax(0,calc(var(--max) * .52)) minmax(0,calc(var(--max) * .48)) minmax(var(--gutter-r),1fr);align-items:stretch}
.hero-copy{grid-column:2;padding-block:clamp(48px,7vw,104px);padding-right:clamp(24px,4vw,64px);display:grid;align-content:center;gap:1.5rem}
.hero-copy .lead{max-width:48ch}
.hero-figure{grid-column:3 / -1;background:var(--concrete);display:grid;place-items:center;padding:clamp(40px,6vw,80px) clamp(32px,6vw,96px) clamp(40px,6vw,80px) clamp(24px,4vw,56px);position:relative;min-height:420px}
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 2rem;margin:0;padding-top:1.25rem;border-top:1px solid var(--line);max-width:40rem}
.hero-facts > div{min-width:0}
.hero-facts dt{font:600 1.0625rem/1.3 var(--font-body);margin:0}
.hero-facts dd{margin:.1rem 0 0;color:var(--ink-2);font-size:.9375rem;line-height:1.4}
@media (max-width:900px){
  .hero{grid-template-columns:minmax(0,1fr)}
  .hero-copy{grid-column:1;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
  .hero-figure{grid-column:1;min-height:0;padding:40px var(--gutter-r) 40px var(--gutter-l)}
}
@media (max-width:480px){.hero-facts{grid-template-columns:minmax(0,1fr)}}

/* slogan (home hero) */
.slogan{display:flex;flex-wrap:wrap;gap:.5rem;margin:-.35rem 0 0}
.slogan span{display:inline-block;font:600 clamp(1.15rem,1.9vw,1.5rem)/1.1 var(--font-display);padding:.42em .75em;border-radius:3px;letter-spacing:.005em}
.slogan .s1{background:var(--ink);color:var(--yellow)}
.slogan .s2{background:var(--yellow);color:var(--ink);position:relative;overflow:hidden}
@media (prefers-reduced-motion:no-preference){
  .slogan span{animation:slogan-in .6s cubic-bezier(.2,.7,.2,1) both}
  .slogan .s1{animation-delay:.35s}
  .slogan .s2{animation-delay:.7s}
  .slogan .s2::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);animation:slogan-shine 6s ease-in-out 1.6s infinite}
}
@keyframes slogan-in{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:none}}
@keyframes slogan-shine{0%{left:-60%}14%{left:120%}100%{left:120%}}

/* dimension callouts over the render */
.callout-frame{position:relative;width:min(100%,330px);aspect-ratio:739/1400;margin:12px 110px 0 8px}
.callout-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.callout-frame svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.callout-frame svg line,.callout-frame svg path{stroke:var(--ink-2);stroke-width:1.25;vector-effect:non-scaling-stroke;fill:none}
.callout-frame svg .dim{stroke-dasharray:1600;stroke-dashoffset:0}
.callout-label{position:absolute;font:500 .9rem/1.15 var(--font-body);color:var(--ink);white-space:nowrap}
.callout-label small{display:block;font-size:.8rem;color:var(--ink-2);font-weight:400}
.cl-dia{left:50%;top:-5.2%;transform:translate(-50%,-100%)}
.cl-len{left:calc(100% + 24px);top:50%;transform:translateY(-50%)}
.cl-cap{left:calc(100% + 24px);top:86.5%}
.cl-body{left:calc(100% + 24px);top:19.5%}
@media (prefers-reduced-motion:no-preference){
  .callout-frame img{animation:fig-in .9s ease-out both}
  .callout-frame svg .dim{animation:draw 1s ease-out .45s both}
  .callout-frame svg .lead-line{animation:draw .7s ease-out 1.1s both}
  .callout-label{animation:label-in .5s ease-out 1.2s both}
  .callout-label.cl-cap,.callout-label.cl-body{animation-delay:1.6s}
}
@keyframes fig-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes draw{from{stroke-dashoffset:1600}to{stroke-dashoffset:0}}
@keyframes label-in{from{opacity:0}to{opacity:1}}
@media (max-width:640px){.callout-frame{width:min(100%,200px);margin:18px 118px 0 0}.cl-cap,.cl-body,.callout-frame svg .lead-line{display:none}}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding-block:clamp(40px,6vw,88px) clamp(32px,5vw,64px)}
.page-hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,72px);align-items:center}
.kicker{display:inline-block;justify-self:start;background:var(--yellow);color:var(--ink);font:600 .875rem/1.2 var(--font-body);padding:.38rem .7rem;border-radius:3px;margin:0}
.page-hero .copy{display:grid;gap:1.25rem}
.page-hero .copy .lead{max-width:50ch}
.page-hero .figure{background:var(--concrete);border-radius:var(--radius);display:grid;place-items:center;padding:clamp(20px,4vw,48px);min-height:260px}
.page-hero .figure img{max-height:460px;width:auto;max-width:100%}
.page-hero .figure.photo{padding:0;overflow:hidden}
.page-hero .figure.photo img{max-height:none;width:100%;height:100%;object-fit:cover;display:block}
.page-hero.oak .figure{background:var(--oak-soft)}
.page-hero .figure.white{background:var(--paper)}
.page-hero .figure.plain{background:transparent;padding:0;min-height:0}
.hero-photos{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:1fr 1fr;gap:10px;aspect-ratio:4/3;max-width:100%}
.hero-photos figure{margin:0;min-width:0;min-height:0;border-radius:var(--radius);overflow:hidden;background:var(--concrete)}
.hero-photos figure.big{grid-row:1 / span 2}
.hero-photos img{width:100%;height:100%;object-fit:cover;display:block}
.page-hero.wide-figure .wrap{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr)}
@media (max-width:860px){.page-hero.wide-figure .wrap{grid-template-columns:minmax(0,1fr)}}

/* ---------- lightbox ---------- */
.zoomable{cursor:zoom-in}
dialog.lightbox{border:0;padding:0;margin:0;background:transparent;max-width:none;max-height:none;width:100vw;height:100vh;color:#E9E9E3}
dialog.lightbox::backdrop{background:rgba(31,32,28,.93)}
dialog.lightbox .lb-inner{position:fixed;inset:0;display:grid;grid-template-rows:minmax(0,1fr) auto;justify-items:center;align-items:center;gap:.6rem;padding:max(20px,env(safe-area-inset-top,0px)) max(20px,env(safe-area-inset-right,0px)) max(20px,env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));cursor:zoom-out}
dialog.lightbox img{max-width:min(96vw,1900px);max-height:88vh;width:auto;height:auto;object-fit:contain;border-radius:var(--radius);background:var(--paper)}
dialog.lightbox figcaption{margin:0;font-size:.95rem;color:#D8D9D2;text-align:center;max-width:72ch}
dialog.lightbox .lb-close{position:fixed;top:max(14px,env(safe-area-inset-top,0px));right:max(14px,env(safe-area-inset-right,0px));background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius);font:600 .9375rem var(--font-body);padding:.5rem .8rem;cursor:pointer}
dialog.lightbox .lb-close:hover{background:rgba(255,255,255,.22)}
.page-hero .figure.plain img{max-height:520px}
@media (max-width:860px){.page-hero .wrap{grid-template-columns:minmax(0,1fr)}.page-hero .figure img{max-height:360px}}

/* ---------- where it goes ---------- */
.places{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.places > figure{min-width:0}
.places .ph{aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:var(--concrete-deep);display:grid;place-items:center}
.places .ph img{width:100%;height:100%;object-fit:cover;display:block}
.places .ph.render{background:var(--paper);padding:10%}
.places .ph.render img{object-fit:contain}
.places figcaption{margin-top:.9rem;font-size:1rem;color:var(--ink)}
.places figcaption strong{display:block;margin-bottom:.2rem}
.places figcaption span{color:var(--ink-2);font-size:.9375rem}
@media (max-width:760px){.places{grid-template-columns:minmax(0,1fr)}.places .ph{aspect-ratio:4/3}.places .ph.concrete img{object-position:50% 62%}.places .ph.render{aspect-ratio:4/3}}

/* ---------- system flow ---------- */
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:0 clamp(10px,1.4vw,18px);align-items:start}
.flow > *{min-width:0}
.flow .stage{display:grid;gap:.9rem}
.flow .stage .img{aspect-ratio:4/3;background:var(--paper);border-radius:var(--radius);display:grid;place-items:center;padding:14%;overflow:hidden}
.flow .stage .img img{max-width:100%;max-height:100%;object-fit:contain;display:block}
.flow .stage .img.shot{padding:0;background:var(--concrete-deep)}
.flow .stage .img.shot img{width:100%;height:100%;object-fit:cover;object-position:left top}
.flow .stage h3{font-size:1.125rem}
.flow .stage p{font-size:.9375rem;color:var(--ink-2);line-height:1.45}
.flow .link{display:grid;justify-items:center;gap:.4rem;padding-top:calc((100% / 1.333) * 0);align-self:start;margin-top:3.2rem;width:clamp(72px,8vw,120px)}
.flow .link svg{width:100%;height:14px;display:block;overflow:visible}
.flow .link svg line{stroke:var(--ink-3);stroke-width:1.25}
.flow .link svg path{fill:var(--ink-3)}
.flow .link span{font-size:.8rem;line-height:1.25;color:var(--ink-2);text-align:center}
@media (max-width:900px){
  .flow{grid-template-columns:minmax(0,1fr);gap:1rem}
  .flow .stage{grid-template-columns:120px minmax(0,1fr);align-items:start;gap:1rem}
  .flow .stage h3{grid-column:2}.flow .stage p{grid-column:2}
  .flow .stage .img{grid-row:1 / span 2;aspect-ratio:1}
  .flow .link{width:auto;margin:0 0 0 48px;justify-items:start;grid-template-columns:auto auto;align-items:center;gap:.6rem}
  .flow .link svg{width:24px;height:14px}
  .flow .link span{text-align:left}
}

/* ---------- product rows ---------- */
.product-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);align-items:center;padding-block:clamp(32px,4vw,56px);border-top:1px solid var(--line)}
.product-row:last-child{border-bottom:1px solid var(--line)}
.product-row .fig{background:var(--paper);border-radius:var(--radius);display:grid;place-items:center;padding:clamp(20px,3vw,40px);aspect-ratio:5/4}
.product-row .fig img{max-width:100%;max-height:100%;object-fit:contain}
.band-paper .product-row .fig{background:var(--bg)}
.product-row .copy{display:grid;gap:1.1rem}
.product-row .copy .lead{font-size:1.125rem}
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem 2rem;margin:0}
.specs > div{min-width:0;border-top:1px solid var(--line);padding-top:.6rem}
.specs dt{font-size:.875rem;color:var(--ink-2);margin:0}
.specs dd{margin:.15rem 0 0;font-weight:500}
@media (max-width:760px){.product-row{grid-template-columns:minmax(0,1fr)}.product-row .fig{aspect-ratio:4/3}}
@media (max-width:420px){.specs{grid-template-columns:minmax(0,1fr)}}

/* ---------- spec table ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:1rem}
th,td{text-align:left;vertical-align:top;padding:.75rem .9rem .75rem 0;border-top:1px solid var(--line)}
tr:last-child td,tr:last-child th{border-bottom:1px solid var(--line)}
thead th{font-weight:600;color:var(--ink);border-top:0;border-bottom:2px solid var(--ink);padding-top:0}
tbody th{font-weight:500;color:var(--ink-2);width:34%}
td.num{text-align:right;padding-right:0;white-space:nowrap}
.table-wrap th:last-child,.table-wrap td:last-child{padding-right:0}
.packages td,.packages th{padding:.9rem .9rem .9rem 0}
.packages tbody tr.highlight{background:var(--yellow-soft)}
.packages tbody tr.highlight th,.packages tbody tr.highlight td{padding-left:.9rem}
.packages tbody tr.highlight td:last-child{padding-right:.9rem}
.packages tbody th{width:auto;font-weight:600;color:var(--ink)}
.packages small{display:block;font-weight:400;color:var(--ink-2);font-size:.875rem}

/* ---------- feature pairs / definition lists ---------- */
.pairs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,3vw,36px) clamp(28px,4vw,56px);margin:0}
.pairs > div{min-width:0;border-top:1px solid var(--line);padding-top:1rem}
.pairs dt{font:600 1.125rem/1.3 var(--font-body);margin:0}
.pairs dd{margin:.4rem 0 0;color:var(--ink-2)}
@media (max-width:640px){.pairs{grid-template-columns:minmax(0,1fr)}}

/* ---------- application list ---------- */
.app-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(28px,4vw,56px)}
.app-list li{margin:0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.25rem 1.5rem;align-items:baseline;padding:.85rem 0;border-top:1px solid var(--line)}
.app-list li a{font-weight:500;text-decoration:none}
.app-list li a:hover{text-decoration:underline}
.app-list li span{color:var(--ink-2);font-size:.9rem;text-align:right}
@media (max-width:640px){.app-list{grid-template-columns:minmax(0,1fr)}.app-list li{grid-template-columns:minmax(0,1fr)}.app-list li span{text-align:left}}

/* ---------- figures / media ---------- */
.photo img,.photo video{display:block;width:100%;height:auto;border-radius:var(--radius)}
.shot{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{margin:0;padding:.6rem .85rem .75rem;border-top:1px solid var(--line)}
.render-box{background:var(--paper);border-radius:var(--radius);display:grid;place-items:center;padding:clamp(20px,3vw,40px)}
.render-box img{max-width:100%;max-height:420px;object-fit:contain}
.render-box.concrete{background:var(--concrete)}
.render-box.plain{background:transparent;padding:0}
.render-box.plain img{max-height:460px}
.video-portrait{display:grid;grid-template-columns:minmax(0,1fr);justify-items:start}
.video-portrait video{width:min(100%,320px);aspect-ratio:480/854;background:var(--ink);border-radius:var(--radius)}
.video-wide video{width:100%;aspect-ratio:848/480;background:var(--ink);border-radius:var(--radius)}

.media-row .photo img,.media-row .photo video{aspect-ratio:16/10;object-fit:cover;width:100%;height:auto}
.unit-prices tbody th{width:auto}

/* report stack */
.report-stack{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;align-items:start}
.report-stack img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:2px;background:var(--paper)}
.report-stack figure:nth-child(2){margin-top:2.5rem}

/* key figures (reference) */
.figures{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem 1.5rem;margin:0}
.figures > div{min-width:0;border-top:2px solid var(--ink);padding-top:.7rem}
.figures dt{font:600 clamp(1.75rem,2.6vw,2.4rem)/1 var(--font-display);margin:0;letter-spacing:-0.01em}
.figures dd{margin:.35rem 0 0;color:var(--ink-2);font-size:.9375rem;line-height:1.4}
.band-oak .figures > div{border-top-color:var(--oak)}
@media (max-width:760px){.figures{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* solution teasers on home */
.solution{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:center;padding-block:clamp(32px,4vw,56px)}
.solution + .solution{border-top:1px solid var(--line)}
.solution .copy{display:grid;gap:1.1rem}
.solution .copy h3{font:600 clamp(1.5rem,2.4vw,2rem)/1.1 var(--font-display)}
.solution .fact{display:grid;gap:.25rem;padding:1rem 0 0;border-top:1px solid var(--line);color:var(--ink-2);font-size:.9375rem}
.solution .fact strong{color:var(--ink)}
@media (max-width:760px){.solution{grid-template-columns:minmax(0,1fr)}}

/* ---------- steps (real sequences) ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.steps li{margin:0;min-width:0;border-top:1px solid var(--line);padding-top:1rem;display:grid;gap:.5rem}
.steps li .n{font:600 .9375rem/1 var(--font-body);color:var(--ink-2)}
.steps li h3{font-size:1.125rem}
.steps li p{color:var(--ink-2);font-size:.9375rem}
@media (max-width:860px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:540px){.steps{grid-template-columns:minmax(0,1fr)}}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(28px,5vw,72px);align-items:start}
.contact-list{display:grid;gap:1.1rem;margin:0}
.contact-list > div{border-top:1px solid var(--line);padding-top:.8rem}
.contact-list dt{font-size:.875rem;color:var(--ink-2)}
.contact-list dd{margin:.15rem 0 0;font-weight:500;font-size:1.0625rem}
.band-yellow .contact-list > div{border-top-color:rgba(31,32,28,.3)}
.band-yellow .contact-list dt{color:rgba(31,32,28,.75)}
form.contact{display:grid;gap:1rem}
form.contact .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
form.contact label{display:grid;gap:.35rem;font-size:.9375rem;font-weight:500}
form.contact input,form.contact textarea,form.contact select{font:400 1rem var(--font-body);padding:.7rem .8rem;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--paper);color:var(--ink);width:100%}
form.contact input:focus,form.contact textarea:focus,form.contact select:focus{border-color:var(--ink);outline:none}
form.contact textarea{min-height:140px;resize:vertical}
form.contact .note{font-size:.875rem;color:var(--ink-2)}
@media (max-width:760px){.contact-grid{grid-template-columns:minmax(0,1fr)}form.contact .row{grid-template-columns:minmax(0,1fr)}}

/* CTA band */
.cta-band .inner{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:start}
.cta-band h2{max-width:14ch}
.cta-band .lead{color:var(--ink);opacity:.85}
@media (max-width:760px){.cta-band .inner{grid-template-columns:minmax(0,1fr)}}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#D8D9D2;border-top:4px solid var(--yellow);padding-block:clamp(40px,5vw,64px) 28px;font-size:.9375rem}
.footer a{color:#F0F0EA;text-decoration:none}
.footer a:hover{text-decoration:underline;text-decoration-color:var(--yellow)}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
.footer .cols > *{min-width:0}
.footer h4{color:#fff;margin-bottom:.8rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.footer li{margin:0}
.footer .brand-foot{display:grid;gap:1rem;align-content:start}
.footer .brand-foot img{height:34px;width:auto;filter:brightness(0) invert(1)}
.footer .brand-foot p{color:#B9BAB2;max-width:36ch}
.footer .legal{margin-top:2.5rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.15);display:flex;flex-wrap:wrap;gap:.5rem 2rem;justify-content:space-between;color:#9FA098;font-size:.875rem}
@media (max-width:860px){.footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.footer .cols{grid-template-columns:minmax(0,1fr)}}

/* ---------- misc ---------- */
.notice{border-left:3px solid var(--yellow);padding:.6rem 1rem;background:var(--paper);color:var(--ink-2);font-size:.9375rem;border-radius:0 var(--radius) var(--radius) 0}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.4rem 1.25rem;margin:0}
.kv dt{color:var(--ink-2)}
.kv dd{margin:0;font-weight:500}
.tag-red{color:var(--signal);font-weight:600}
.tag-oak{color:var(--oak);font-weight:600}
.two-col-text{columns:2;column-gap:3rem}
.two-col-text p{break-inside:avoid;margin-bottom:1em}
@media (max-width:760px){.two-col-text{columns:1}}
@media print{.topbar,.menu-toggle,.footer .cols,.cta-band{display:none}}

/* ---------- prices behind an access code ---------- */
.price.locked{display:inline-flex;align-items:center;gap:.4em;padding:.2em .6em .2em .5em;border:1px dashed var(--ink-3);border-radius:3px;background:var(--paper);color:var(--ink-2);font:600 .82em/1.2 var(--font-body);cursor:pointer;vertical-align:baseline;white-space:nowrap}
.price.locked::before{content:"";width:.8em;height:.95em;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 20'%3E%3Cpath d='M4 8V6a4 4 0 0 1 8 0v2h1.5A1.5 1.5 0 0 1 15 9.5v8A1.5 1.5 0 0 1 13.5 19h-11A1.5 1.5 0 0 1 1 17.5v-8A1.5 1.5 0 0 1 2.5 8H4zm2 0h4V6a2 2 0 0 0-4 0v2z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 20'%3E%3Cpath d='M4 8V6a4 4 0 0 1 8 0v2h1.5A1.5 1.5 0 0 1 15 9.5v8A1.5 1.5 0 0 1 13.5 19h-11A1.5 1.5 0 0 1 1 17.5v-8A1.5 1.5 0 0 1 2.5 8H4zm2 0h4V6a2 2 0 0 0-4 0v2z'/%3E%3C/svg%3E") center/contain no-repeat}
.price.locked:hover{border-color:var(--ink);color:var(--ink)}
.band-yellow .price.locked{background:rgba(255,255,255,.55);border-color:var(--ink-2)}
.price.unlocked{font-weight:600}
td .price.unlocked{font-weight:500}
dialog.price-dialog{border:0;border-radius:var(--radius);padding:0;max-width:min(92vw,440px);width:100%;background:var(--paper);color:var(--ink);box-shadow:0 30px 60px -30px rgba(31,32,28,.5)}
dialog.price-dialog::backdrop{background:rgba(31,32,28,.55)}
.price-form{display:grid;gap:1rem;padding:1.5rem}
.price-form h3{font:600 1.375rem/1.2 var(--font-display)}
.price-form p{color:var(--ink-2);font-size:.9375rem}
.price-form label{display:grid;gap:.35rem;font-size:.9375rem;font-weight:500}
.price-form input{font:600 1.5rem/1.2 var(--font-display);letter-spacing:.25em;padding:.5rem .8rem;border:1.5px solid var(--line);border-radius:var(--radius);width:100%;background:var(--bg);color:var(--ink)}
.price-form input:focus{border-color:var(--ink);outline:none}
.price-error{min-height:1.2em;color:var(--signal);font-size:.9rem}
.price-hide{margin-left:auto}