/* A-Team Builders — "From plan to built"
   Palette comes from the job: poured concrete, cyanotype blueprint, raw pine,
   redwood stain — and safety orange, used only for things you should press. */
/* Self-hosted fonts (SIL Open Font License) */
@font-face{font-family:"Archivo";src:url(fonts/archivo-var.woff2) format("woff2-variations"),url(fonts/archivo-var.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-style:normal;font-display:swap}
@font-face{font-family:"Architects Daughter";src:url(fonts/architects-daughter.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Big Shoulders Display";src:url(fonts/bsd-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Big Shoulders Display";src:url(fonts/bsd-800.woff2) format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"Big Shoulders Display";src:url(fonts/bsd-900.woff2) format("woff2");font-weight:900;font-display:swap}
:root{
  --concrete:#D9D7D1; --concrete-hi:#E7E5E0; --concrete-lo:#C6C3BB;
  --graphite:#24272B; --graphite-2:#2E3237; --muted:#5B5F65;
  --cobalt:#1B3A8F; --cobalt-deep:#122A6B; --chalk:#EEF3FF; --chalk-dim:rgba(238,243,255,.68);
  --pine:#DDB57E; --redwood:#8E3B22; --go:#FF5B1A; --go-hot:#FF7438;
  --rule:rgba(36,39,43,.16); --rule-light:rgba(238,243,255,.22);
  --display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --sans:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --gut:clamp(20px,4vw,56px); --max:1320px; --hd:72px;
  --ease:cubic-bezier(.2,.75,.2,1);
}
@property --x{syntax:'<percentage>';inherits:true;initial-value:0%}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hd) + 16px)}
body{margin:0;background:var(--concrete);color:var(--graphite);font-family:var(--sans);font-size:clamp(16px,1.05vw + 10px,18px);line-height:1.6;font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3{margin:0;font-weight:inherit}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--go);color:var(--graphite);padding:10px 14px;font-weight:700}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--go);outline-offset:3px}
::selection{background:var(--cobalt);color:var(--chalk)}
/* faint concrete grain over everything */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:300;opacity:.05;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- Type ---------- */
.sec-h,.sheet-h,.hero-h,.ft-h{font-family:var(--display);font-weight:900;text-transform:uppercase;letter-spacing:.005em;line-height:.9}
.sec-h{font-size:clamp(2.5rem,5.2vw,4.6rem);margin-bottom:.35em;max-width:16ch}
.sec-p{font-size:1.08em;max-width:46ch;color:var(--muted)}
h3{font-family:var(--display);font-weight:800;font-size:1.75rem;line-height:1;text-transform:uppercase;letter-spacing:.01em}
.link{font-weight:650;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/100% 2px no-repeat;padding-bottom:3px;transition:background-size .35s var(--ease)}
.link:hover{background-size:0 2px;background-position:100% 100%}
.link-light{color:var(--chalk)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:650 1rem/1 var(--sans);font-variation-settings:"wdth" 108;padding:15px 22px;border-radius:2px;border:2px solid transparent;text-decoration:none;cursor:pointer;transition:background-color .2s,color .2s,border-color .2s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:19px 28px;font-size:1.06rem}
.btn-go{background:var(--go);color:var(--graphite)}
.btn-go:hover{background:var(--go-hot)}
.btn-ghost{border-color:var(--chalk-dim);color:var(--chalk)}
.btn-ghost:hover{border-color:var(--chalk);background:rgba(238,243,255,.1)}
.btn-line{border-color:var(--graphite);color:var(--graphite)}
.btn[disabled]{opacity:.6;cursor:progress}

/* ---------- Header ---------- */
.hd{position:fixed;inset:0 0 auto;z-index:100;height:var(--hd);color:var(--graphite);background:rgba(217,215,209,.92);backdrop-filter:blur(10px) saturate(1.2);-webkit-backdrop-filter:blur(10px) saturate(1.2);border-bottom:1px solid var(--rule);transition:background-color .35s,color .35s,border-color .35s}
.pg-index .hd:not(.solid){background:transparent;color:var(--chalk);border-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
.hd-in{max-width:var(--max);margin:0 auto;height:100%;padding:0 var(--gut);display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo .mark{width:40px;height:34px;color:var(--go)}
.logo-t{display:flex;flex-direction:column;line-height:.86;font-family:var(--display);text-transform:uppercase}
.logo-t b{font-weight:900;font-size:1.65rem;letter-spacing:.01em}
.logo-t i{font-style:normal;font-weight:600;font-size:.92rem;letter-spacing:.32em;opacity:.8}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){text-decoration:none;font-weight:600;font-variation-settings:"wdth" 108;font-size:.98rem;padding:6px 0;background:linear-gradient(var(--go),var(--go)) 0 100%/0 2px no-repeat;transition:background-size .3s var(--ease)}
.nav a:not(.btn):hover,.nav a[aria-current=page]{background-size:100% 2px}
.nav-cta{padding:12px 18px}
.menu{display:none;background:none;border:0;width:44px;height:44px;position:relative;cursor:pointer;color:inherit}
.menu span:not(.sr){position:absolute;left:10px;right:10px;height:2px;background:currentColor;transition:transform .3s var(--ease)}
.menu span:nth-child(1){top:17px}.menu span:nth-child(2){top:25px}
.menu[aria-expanded=true] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.menu[aria-expanded=true] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
@media (max-width:860px){
  .menu{display:block}
  .nav{position:fixed;inset:var(--hd) 0 auto;flex-direction:column;align-items:stretch;gap:0;background:var(--concrete);color:var(--graphite);padding:8px var(--gut) 24px;border-bottom:1px solid var(--rule);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s var(--ease),visibility 0s .25s}
  .nav.open{opacity:1;transform:none;visibility:visible;transition:opacity .25s,transform .25s var(--ease)}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--rule);font-size:1.15rem;background:none}
  .nav-cta{margin-top:16px}
}
/* tape-measure scroll progress */
.tape{position:absolute;left:0;bottom:-9px;height:8px;width:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(36,39,43,.9) 0 2px,transparent 2px 40px) 0 0/100% 100% no-repeat,
             repeating-linear-gradient(90deg,rgba(36,39,43,.55) 0 1px,transparent 1px 8px) 0 0/100% 45% no-repeat,#FFC41F;
  box-shadow:0 2px 5px rgba(0,0,0,.25)}
.tape.on::after{content:"";position:absolute;right:-4px;top:-3px;width:6px;height:14px;background:var(--graphite);border-radius:1px}

main{display:block;padding-top:var(--hd)}
.pg-index main{padding-top:0}

/* ---------- Photos ---------- */
.ph{margin:0;overflow:hidden;background:var(--concrete-lo)}
.ph img{width:100%;height:100%;object-fit:cover}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:max(640px,100svh);color:var(--chalk);overflow:hidden;background:var(--cobalt-deep);display:grid;grid-template-columns:1fr auto;align-items:end;gap:32px;padding:calc(var(--hd) + 40px) var(--gut) clamp(28px,5vh,56px)}
.hero-media{position:absolute;inset:0}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.hero-media::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(14,26,62,.78) 0%,rgba(14,26,62,.35) 38%,rgba(14,26,62,0) 60%),
  linear-gradient(0deg,rgba(14,22,40,.7) 0%,rgba(14,22,40,0) 45%)}
.motion .hero-media img{animation:heroIn 1.2s ease both}
@keyframes heroIn{from{opacity:0}}
@media (max-width:900px){
  .hero-media::after{background:linear-gradient(0deg,rgba(12,20,44,.92) 0%,rgba(12,20,44,.72) 48%,rgba(12,20,44,.2) 78%,rgba(12,20,44,.35) 100%)}
}
.hero-in{position:relative;z-index:2;max-width:880px}
.hero-h{font-size:clamp(4.2rem,11.5vw,11.5rem);line-height:.82;letter-spacing:-.005em;margin:0 0 .22em;text-shadow:0 2px 30px rgba(10,20,50,.35)}
.hero-p{font-size:clamp(1.05rem,1.4vw,1.3rem);max-width:40ch;color:var(--chalk);margin-bottom:1.4em;font-variation-settings:"wdth" 104}
.hero-act{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:560px){.hero-act .btn{flex:1 1 100%}}
.motion .hero-in>*{animation:rise .9s var(--ease) both}
.motion .hero-in>:nth-child(1){animation-delay:.15s}.motion .hero-in>:nth-child(2){animation-delay:.3s}.motion .hero-in>:nth-child(3){animation-delay:.45s}
@keyframes rise{from{opacity:0;transform:translateY(26px)}}

/* The two framers stand in front of the headline (desktop only) */
.hero-crew{position:absolute;z-index:3;pointer-events:none;display:none;filter:brightness(.9);opacity:0}
@media (min-width:901px){.hero-crew.placed{display:block}}
html:not(.motion) .hero-crew{opacity:1}
.motion .hero-crew.placed{animation:fadeIn .6s ease .9s forwards}
@keyframes fadeIn{to{opacity:1}}

/* Title block — the information panel every construction drawing carries */
.tblock{position:relative;z-index:2;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--rule-light);background:rgba(18,42,107,.62);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);width:min(460px,100%)}
.tblock>div{padding:12px 16px;border-right:1px solid var(--rule-light);border-bottom:1px solid var(--rule-light)}
.tblock>div:nth-child(2n){border-right:0}
.tblock>div:last-child{border-bottom:0}
.tblock>div:nth-child(3):nth-last-child(2),.tblock>div:nth-child(4):nth-last-child(1){border-bottom:0}
.tblock dt{font-size:.78rem;color:var(--chalk-dim)}
.tblock dd{margin:2px 0 0;font-family:var(--display);font-weight:800;font-size:1.65rem;line-height:1.05;text-transform:uppercase}
.tblock .wx{grid-column:1/-1;border-right:0;border-top:1px solid var(--rule-light)}
.tblock .wx dd{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px}
.wx-v{font-family:var(--sans);font-weight:600;font-size:.95rem;text-transform:none;color:var(--pine);font-variation-settings:"wdth" 104}
.motion .tblock{animation:rise .9s var(--ease) 1.1s both}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;align-content:end}
  .tblock{width:100%}
}

/* ---------- Trade marquee ---------- */
.mq{background:var(--cobalt);color:var(--chalk);overflow:hidden;border-block:1px solid var(--rule-light);padding:22px 0}
.mq-t{display:flex;width:max-content;will-change:transform}
.mq span{display:flex;align-items:flex-start;gap:8px;padding-right:46px;font-family:var(--display);font-weight:900;font-size:clamp(2.2rem,4.6vw,3.8rem);line-height:1;text-transform:uppercase;white-space:nowrap}
.mq span:nth-child(even){color:transparent;-webkit-text-stroke:1.5px var(--chalk)}
.mq em{font-style:normal;font-family:var(--sans);font-weight:700;font-size:.85rem;color:var(--pine);-webkit-text-stroke:0;letter-spacing:.02em;margin-top:.2em}

/* ---------- Intro ---------- */
.intro{max-width:var(--max);margin:0 auto;padding:clamp(80px,12vw,170px) var(--gut) clamp(70px,9vw,130px)}
.intro-big{font-size:clamp(1.85rem,3.7vw,3.5rem);line-height:1.12;font-weight:500;font-variation-settings:"wdth" 112;letter-spacing:-.015em;max-width:24ch;margin:0 0 .9em}
.chip-img{display:inline-block;width:1.9em;height:.92em;border-radius:999px;background:var(--img) center/cover;vertical-align:-.08em;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.intro-sub{margin-left:auto;max-width:520px;color:var(--muted)}
.intro-sub p{font-size:1.06em}

/* ---------- The Build ---------- */
.build{background:var(--cobalt);color:var(--chalk);position:relative;
  background-image:linear-gradient(rgba(238,243,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(238,243,255,.06) 1px,transparent 1px);background-size:32px 32px}
.build-in{max-width:var(--max);margin:0 auto;padding:clamp(80px,10vw,140px) var(--gut);display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,80px)}
.build .sec-p{color:var(--chalk-dim)}
.steps{list-style:none;margin:56px 0 0;padding:0}
.step{display:grid;grid-template-columns:62px 1fr;gap:6px 16px;padding:26px 0;min-height:36vh;border-top:1px solid var(--rule-light);transition:opacity .4s}
.step:last-child{min-height:24vh}
.motion .step{opacity:.38}
.motion .step.on{opacity:1}
.step-n{font-family:var(--display);font-weight:900;font-size:2.4rem;line-height:.9;color:var(--pine)}
.step h3{font-size:2rem;margin-bottom:6px}
.step-trades{font-size:.88rem;color:var(--pine);margin:0 0 10px;font-weight:600}
.step p:last-child{color:var(--chalk-dim);max-width:40ch}
.build-fig{position:relative}
.build-stick{position:sticky;top:calc(var(--hd) + 4vh)}
.build-cap{margin:12px 0 0;font-family:var(--display);font-weight:800;font-size:1.4rem;text-transform:uppercase;display:flex;gap:12px;color:var(--chalk)}
.build-cap b{color:var(--pine)}
@media (min-width:901px){.build-cap{display:none}}
.iso{width:100%;height:auto;overflow:visible}
.iso .L{transition:opacity .6s var(--ease),transform .7s var(--ease)}
.motion .iso .L{opacity:0;transform:translateY(-26px)}
.motion .iso .L.on{opacity:1;transform:none}
.iso .ground{fill:rgba(238,243,255,.05);stroke:rgba(238,243,255,.4);stroke-width:1}
.iso .gridln{stroke:rgba(238,243,255,.13);stroke-width:1}
.iso .stake{stroke:var(--go);stroke-width:2.2}
.iso .string{fill:none;stroke:var(--go);stroke-width:1;stroke-dasharray:3 3}
.iso .slab-t{fill:#C9C7C1}.iso .slab-l{fill:#98968F}.iso .slab-r{fill:#B0AEA7}
.iso .rebar{stroke:#7A5A3A;stroke-width:.8;opacity:.55}
.iso .stud{stroke:#E1BC85;stroke-width:2}.iso .stud.back{stroke:#C79D63;opacity:.7}
.iso .plate{stroke:#D9AF72;stroke-width:3}.iso .plate.back{opacity:.7}
.iso .truss{fill:none;stroke:#E1BC85;stroke-width:1.6}.iso .web{stroke:#E1BC85;stroke-width:1}
.iso .pipe{fill:none;stroke:#46B2FF;stroke-width:3;stroke-linejoin:round}
.iso .wire{fill:none;stroke:var(--go);stroke-width:2;stroke-linejoin:round}
.iso .duct{stroke:#B8C2CC;stroke-width:7;stroke-linecap:round}
.iso .sprink{stroke:#E0393E;stroke-width:2}.iso .head{fill:#E0393E}.iso .box{fill:#4A4E55}
.iso .wall-l{fill:#E6DFD1}.iso .wall-r{fill:#F3EEE4}.iso .gable{fill:#F3EEE4}.iso .course{stroke:rgba(0,0,0,.05)}
.iso .roof-b{fill:#353B47}.iso .roof-f{fill:#454C5B}.iso .ridge{stroke:#262A33;stroke-width:3}
.iso .solar{fill:#142050;stroke:#7FA0E8;stroke-width:.8}
.iso .glass{fill:#A8CBEA;stroke:var(--graphite);stroke-width:1.5}.iso .door{fill:var(--redwood);stroke:var(--graphite);stroke-width:1.5}
.iso .mullion{stroke:var(--graphite);stroke-width:1.2}.iso .trim{stroke:var(--graphite);stroke-width:2}
.iso .paver{fill:#CFCBC2;stroke:#9E9C97}.iso .shrub{fill:#4F6B3A}.iso .trunk{stroke:#6B4A2B;stroke-width:4}.iso .crown{fill:#5E7D45}
@media (max-width:900px){
  .build-in{grid-template-columns:1fr}
  .build-fig{order:-1;position:sticky;top:var(--hd);z-index:2;background:var(--cobalt);margin:0 calc(var(--gut) * -1);padding:10px var(--gut) 6px;border-bottom:1px solid var(--rule-light)}
  .build-stick{position:static}
  .iso{max-height:34vh;margin:0 auto;width:auto}
  .build-cap{font-size:1.1rem;margin-top:4px}
  .step{min-height:30vh;padding-top:22px}
  .steps{margin-top:28px}
  .iso{max-height:30vh}
}

/* ---------- Work ---------- */
.work{max-width:var(--max);margin:0 auto;padding:clamp(80px,10vw,150px) var(--gut)}
.work-head{display:flex;justify-content:space-between;align-items:end;gap:16px 24px;flex-wrap:wrap;margin-bottom:clamp(32px,4vw,52px)}
.work-head .sec-h{margin-bottom:0}
.work-head .sec-p{margin:0 0 .35em}
.work-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-rows:1fr 1fr;gap:clamp(24px,3vw,40px)}
.w{display:flex;flex-direction:column;min-height:0;text-decoration:none;color:inherit}
.w1{grid-row:1/3}
.w .ph{flex:1;min-height:0}
.w1 .ph{aspect-ratio:auto}
.w2 .ph,.w3 .ph{aspect-ratio:16/10}
.w .ph img{transition:transform .9s var(--ease)}
.w:hover .ph img,.w:focus-visible .ph img,.w.hot .ph img{transform:scale(1.035)}
.ph.cutout{background:var(--pine);display:grid;place-items:center;padding:6% 8% 0}
.ph.cutout img{height:auto;object-fit:contain;filter:drop-shadow(0 18px 18px rgba(36,39,43,.25))}
.w-cap{display:flex;justify-content:space-between;align-items:baseline;gap:4px 16px;flex-wrap:wrap;padding-top:12px;border-top:2px solid var(--graphite);margin-top:14px}
.w-cap h3{font-size:1.45rem;transition:color .2s}
.w:hover .w-cap h3,.w.hot .w-cap h3{color:var(--cobalt)}
.w-cap p{margin:0;color:var(--muted);font-size:.9rem}
.work-more{margin:clamp(36px,4vw,52px) 0 0;text-align:right;font-size:1.1rem}
@media (max-width:860px){
  .work-grid{grid-template-columns:1fr;grid-template-rows:none}
  .w1{grid-row:auto}
  .w1 .ph{aspect-ratio:4/5}
}

/* ---------- Founder band ---------- */
.founder{background:var(--pine);color:var(--graphite)}
.founder-in{max-width:var(--max);margin:0 auto;padding:clamp(80px,10vw,140px) var(--gut);display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,90px);align-items:center}
.years{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);position:relative;--yr:clamp(3.4rem,7vw,6.4rem)}
.years::before{content:"";position:absolute;left:0;right:0;top:calc(var(--yr) + 18px);height:2px;background:var(--graphite)}
.years li{position:relative;padding-right:16px}
.years b{display:block;font-family:var(--display);font-weight:900;font-size:var(--yr);line-height:1;color:var(--redwood)}
.years li::after{content:"";position:absolute;left:0;top:calc(var(--yr) + 12px);width:14px;height:14px;border-radius:50%;background:var(--pine);border:2px solid var(--graphite)}
.years span{display:block;margin-top:34px;color:rgba(36,39,43,.78);font-size:.95rem;max-width:18ch}
.founder .sec-h{font-size:clamp(2.1rem,3.6vw,3.3rem);max-width:18ch}
.founder p{color:rgba(36,39,43,.8)}
.founder .link-light{color:var(--graphite)}
@media (max-width:860px){.founder-in{grid-template-columns:minmax(0,1fr)}.years{grid-template-columns:repeat(3,minmax(0,1fr));--yr:clamp(2.4rem,11.5vw,5rem)}}

/* ---------- Footer ---------- */
.ft{background:#1D2024;color:var(--chalk);position:relative;overflow:hidden}
.ft-in{max-width:var(--max);margin:0 auto;padding:clamp(70px,9vw,120px) var(--gut) 0;position:relative;z-index:1}
.ft-cta{display:flex;justify-content:space-between;align-items:end;gap:28px;flex-wrap:wrap;padding-bottom:clamp(50px,7vw,90px);border-bottom:1px solid var(--rule-light)}
.ft-h{font-size:clamp(3rem,7vw,6.4rem);max-width:12ch}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:32px;padding:44px 0}
.ft-about{color:var(--chalk-dim);max-width:44ch}
.ft nav,.ft-contact{display:flex;flex-direction:column;gap:8px}
.ft a{text-decoration:none}
.ft nav a:hover,.ft-contact a:hover{color:var(--go)}
.ft-contact span{color:var(--chalk-dim)}
.ft-legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--chalk-dim);padding:22px 0;border-top:1px solid var(--rule-light)}
.ft-legal-r{display:flex;gap:10px 22px;flex-wrap:wrap;align-items:center}
.ft-login{display:inline-flex;align-items:center;gap:7px;color:var(--chalk);font-weight:600;padding:6px 12px;border:1px solid var(--rule-light);border-radius:2px;transition:border-color .2s,color .2s}
.ft-login::before{content:"";width:12px;height:12px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round'%3E%3Crect x='4' y='10' width='16' height='11' rx='2'/%3E%3Cpath d='M8 10V7a4 4 0 0 1 8 0v3'/%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 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round'%3E%3Crect x='4' y='10' width='16' height='11' rx='2'/%3E%3Cpath d='M8 10V7a4 4 0 0 1 8 0v3'/%3E%3C/svg%3E") center/contain no-repeat}
.ft-login:hover{border-color:var(--go);color:var(--go)}
/* the site editor's "show me where this is" highlight */
.edit-spot{outline:3px solid var(--go)!important;outline-offset:6px;border-radius:2px;animation:spot 1.4s ease 3}
@keyframes spot{50%{outline-color:transparent}}
.ft-word{font-family:var(--display);font-weight:900;font-size:clamp(7rem,33vw,30rem);line-height:.72;letter-spacing:-.01em;color:transparent;-webkit-text-stroke:1.5px rgba(238,243,255,.16);text-align:center;margin:10px 0 -.09em;user-select:none;white-space:nowrap}
@media (max-width:760px){.ft-grid{grid-template-columns:1fr}}

/* ---------- Sheet heroes (inner pages) ---------- */
.sheet{max-width:var(--max);margin:0 auto;padding:clamp(48px,7vw,110px) var(--gut) clamp(60px,8vw,120px);display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(28px,5vw,80px);align-items:end}
.sheet-h{font-size:clamp(3.6rem,8.4vw,8.4rem);line-height:.84;margin-bottom:.3em}
.sheet-p{font-size:clamp(1.05rem,1.3vw,1.25rem);max-width:40ch;color:var(--muted)}
.sheet-img{aspect-ratio:4/3}
@media (max-width:860px){.sheet{grid-template-columns:1fr}}

/* About */
.story{background:var(--concrete-hi);border-block:1px solid var(--rule)}
.story-in{max-width:var(--max);margin:0 auto;padding:clamp(70px,9vw,130px) var(--gut)}
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px);margin-top:28px}
.cols p{margin:0}
.cols p:first-child{font-size:1.2em;font-weight:500;font-variation-settings:"wdth" 108;color:var(--graphite)}
@media (max-width:860px){.cols{grid-template-columns:1fr}}
.collective{background:var(--cobalt);color:var(--chalk);background-image:linear-gradient(rgba(238,243,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(238,243,255,.06) 1px,transparent 1px);background-size:32px 32px}
.collective-in{max-width:var(--max);margin:0 auto;padding:clamp(70px,9vw,130px) var(--gut);display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center}
.collective .sec-p{color:var(--chalk-dim)}
.hub{width:100%;height:auto;overflow:visible}
.hub-l{stroke:rgba(238,243,255,.45);stroke-width:1.3;stroke-dasharray:1;stroke-dashoffset:0}
.hub-n{fill:var(--cobalt);stroke:var(--pine);stroke-width:2}
.hub-t{fill:var(--chalk);font-family:var(--display);font-weight:800;font-size:19px;text-transform:uppercase;letter-spacing:.02em}
.hub-c{fill:var(--go)}
.hub-ct{fill:var(--graphite);font-family:var(--display);font-weight:900;font-size:22px;text-transform:uppercase}
.motion .hub .hub-l{stroke-dashoffset:1;transition:stroke-dashoffset .8s var(--ease);transition-delay:calc(var(--i) * 70ms)}
.motion .hub .hub-n,.motion .hub .hub-t{opacity:0;transition:opacity .4s;transition-delay:calc(var(--i) * 70ms + .5s)}
.motion .hub.in .hub-l{stroke-dashoffset:0}
.motion .hub.in .hub-n,.motion .hub.in .hub-t{opacity:1}
@media (max-width:860px){.collective-in{grid-template-columns:1fr}}

/* Timelines (about + services process) */
.timeline-sec .tl-in,.process-in{max-width:var(--max);margin:0 auto;padding:clamp(70px,9vw,130px) var(--gut)}
.timeline{list-style:none;margin:36px 0 0;padding:0}
.timeline li{display:grid;grid-template-columns:minmax(120px,220px) 1fr;gap:8px 32px;padding:28px 0;border-top:1px solid var(--rule);align-items:baseline}
.timeline li>*:not(b){grid-column:2}
.timeline li>b{font-family:var(--display);font-weight:900;font-size:clamp(2.6rem,5vw,4.4rem);line-height:.9;color:var(--cobalt);grid-row:1}
.timeline li h3{font-size:1.7rem}
.timeline li p{margin:0;max-width:52ch;font-size:1.08em}
@media (max-width:600px){.timeline li{grid-template-columns:64px 1fr;gap:6px 16px}.timeline li>b{font-size:2.3rem}}
.principles{background:var(--pine);color:var(--graphite)}
.pr{list-style:none;margin:0 auto;padding:clamp(70px,9vw,130px) var(--gut);max-width:var(--max);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,60px)}
.pr li{border-top:2px solid var(--graphite);padding-top:20px}
.pr h3{font-size:clamp(2.2rem,3.4vw,3.4rem);color:var(--redwood);margin-bottom:.3em;overflow-wrap:anywhere}
.pr p{color:rgba(36,39,43,.8);max-width:30ch;margin:0}
@media (max-width:760px){.pr{grid-template-columns:1fr}}

/* Services index */
.index-in{max-width:var(--max);margin:0 auto;padding:clamp(40px,6vw,80px) var(--gut) clamp(70px,9vw,130px)}
.index-head{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:end;margin-bottom:28px}
.index-note{color:var(--muted);max-width:44ch;margin:0 0 .6em}
.index-note abbr{text-decoration:none;border-bottom:1px dotted}
.divs{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--graphite)}
.div{display:grid;grid-template-columns:110px minmax(0,4fr) minmax(0,6fr);gap:16px 28px;align-items:baseline;padding:20px 12px;border-top:1px solid var(--graphite);transition:background-color .25s,color .25s}
.div:hover,.div.hot{background:var(--cobalt);color:var(--chalk)}
.div-n{font-family:var(--display);font-weight:900;font-size:3rem;line-height:.9;color:transparent;-webkit-text-stroke:1.5px var(--cobalt);transition:-webkit-text-stroke-color .25s}
.div:hover .div-n,.div.hot .div-n{-webkit-text-stroke-color:var(--chalk)}
.div-name{font-size:1.9rem}
.div-t{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 22px;font-weight:600;font-variation-settings:"wdth" 106}
@media (max-width:760px){.index-head{grid-template-columns:1fr}.div{grid-template-columns:70px 1fr}.div-t{grid-column:2}.div-n{font-size:2.2rem}}
.types{background:var(--concrete-hi);border-block:1px solid var(--rule)}
.types-in{max-width:var(--max);margin:0 auto;padding:clamp(70px,9vw,130px) var(--gut)}
.type-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.5vw,36px);margin-top:28px}
.type{border-top:6px solid var(--cobalt);padding-top:18px}
.type h3{margin-bottom:.4em}
.type p{color:var(--muted);margin:0}
@media (max-width:900px){.type-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.type-list{grid-template-columns:1fr}}

/* Projects */
.pj-head,.ct-head{max-width:var(--max);margin:0 auto;padding:clamp(48px,7vw,110px) var(--gut) clamp(36px,5vw,64px)}
.spec{margin:24px 0 0;border-top:2px solid var(--graphite)}
.spec>div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--rule)}
.spec dt{color:var(--muted);font-size:.9rem}
.spec dd{margin:0;font-weight:600}
.pj-list{max-width:var(--max);margin:0 auto;padding:0 var(--gut) clamp(70px,9vw,130px);display:grid;gap:clamp(70px,9vw,140px)}
.pj{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:center}
.pj-r .pj-img{order:2}
.pj-n{font-family:var(--display);font-weight:900;font-size:1.1rem;letter-spacing:.12em;color:var(--go);margin:0 0 10px}
.pj-spec .sec-h{font-size:clamp(2.3rem,4vw,3.8rem)}
@media (max-width:860px){.pj{grid-template-columns:1fr}.pj-r .pj-img{order:0}}

/* Drawing vs built slider */
.ba{position:relative;margin:0 auto;overflow:hidden;background:var(--cobalt);--x:50%;user-select:none;max-height:86vh;max-width:100%}
.ba-cutout{background:var(--pine)}
.ba-cutout img{object-fit:contain}
.ba-cutout .ba-before{background:var(--cobalt)}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba .ba-before{clip-path:inset(0 calc(100% - var(--x)) 0 0)}
.ba .ba-handle{position:absolute;top:0;bottom:0;left:var(--x);width:2px;margin-left:-1px;background:var(--go);box-shadow:0 0 14px 2px rgba(255,91,26,.6);pointer-events:none}
.ba .ba-handle::after{content:"";position:absolute;top:50%;left:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;
  background:var(--go) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2324272B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l-6 6 6 6M15 6l6 6-6 6'/%3E%3C/svg%3E") center/22px no-repeat;box-shadow:0 8px 22px rgba(0,0,0,.35)}
.ba:focus-within .ba-handle::after{outline:3px solid var(--chalk);outline-offset:3px}
.ba .tag{position:absolute;top:14px;font-weight:700;font-size:.85rem;padding:5px 10px;background:var(--graphite);color:var(--chalk);pointer-events:none}
.ba .tag.l{left:14px}.ba .tag.r{right:14px;background:var(--go);color:var(--graphite)}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.motion .ba.intro{animation:baIntro 2.4s cubic-bezier(.6,0,.4,1) .2s both}
@keyframes baIntro{0%{--x:50%}35%{--x:82%}70%{--x:20%}100%{--x:50%}}

/* ---------- Contact ---------- */
.ct{max-width:var(--max);margin:0 auto;padding:0 var(--gut) clamp(70px,9vw,130px);display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(28px,5vw,72px);align-items:start}
.ct-side{position:sticky;top:calc(var(--hd) + 24px)}
.tblock-light{background:var(--concrete-hi);border-color:var(--rule);backdrop-filter:none;-webkit-backdrop-filter:none;width:100%;grid-template-columns:1fr;color:var(--graphite);animation:none!important}
.tblock-light>div{border-color:var(--rule)!important;border-right:0;border-bottom:1px solid var(--rule)}
.tblock-light>div:last-child{border-bottom:0}
.tblock-light dt{color:var(--muted)}
.tblock-light dd{font-size:1.35rem}
.tblock-light dd a{text-decoration:none;word-break:break-all;font-family:var(--sans);text-transform:none;font-weight:650;font-size:1.05rem;letter-spacing:0}
.ct-tip{margin-top:20px;color:var(--muted);font-size:.95rem}
@media (max-width:900px){.ct{grid-template-columns:1fr}.ct-side{position:static}}
.scoper{background:var(--cobalt);color:var(--chalk);padding:clamp(22px,3vw,36px);margin-bottom:44px;background-image:linear-gradient(rgba(238,243,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(238,243,255,.06) 1px,transparent 1px);background-size:24px 24px}
.scoper-h,.form-h{font-family:var(--display);font-weight:900;text-transform:uppercase;font-size:clamp(1.9rem,3vw,2.6rem);line-height:.95;margin-bottom:12px}
.step-q{margin-top:22px;transition:opacity .3s}
.step-q.locked{opacity:.32;pointer-events:none}
.q{font-weight:650;margin:0 0 10px;display:flex;gap:10px;align-items:center;font-variation-settings:"wdth" 106}
.q b{display:inline-grid;place-items:center;width:26px;height:26px;background:var(--go);color:var(--graphite);font-family:var(--display);font-size:1rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:600 .95rem var(--sans);padding:10px 14px;border:1.5px solid var(--rule-light);background:transparent;color:var(--chalk);cursor:pointer;border-radius:2px;transition:background-color .2s,border-color .2s,color .2s}
.chip:hover{border-color:var(--chalk)}
.chip[aria-checked=true]{background:var(--chalk);border-color:var(--chalk);color:var(--cobalt)}
.crew{margin-top:20px;padding-top:16px;border-top:1px dashed var(--rule-light);display:none}
.crew.show{display:block}
.crew-list{display:flex;flex-wrap:wrap;gap:8px}
.crew-list span{background:rgba(238,243,255,.1);border-left:3px solid var(--pine);padding:6px 12px;font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:1.05rem;letter-spacing:.02em}
.motion .crew-list span{animation:drop .5s cubic-bezier(.34,1.56,.64,1) both;animation-delay:calc(var(--i) * 60ms)}
@keyframes drop{from{opacity:0;transform:translateY(-14px)}}
.scoper .go{margin-top:22px}
form label{display:block;font-weight:650;font-size:.95rem;margin:18px 0 7px}
form label .opt{font-weight:400;color:var(--muted)}
form input,form select,form textarea{width:100%;font:inherit;font-size:1rem;padding:13px 14px;border:1.5px solid var(--concrete-lo);border-radius:2px;background:var(--concrete-hi);color:var(--graphite);transition:border-color .2s,background-color .2s}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--cobalt);background:#fff}
form textarea{min-height:150px;resize:vertical}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media (max-width:560px){.f2{grid-template-columns:1fr}}
form .btn-lg{margin-top:26px}
.form-note{font-size:.88rem;color:var(--muted);margin-top:14px}
.form-error{color:#B3261E;font-weight:600;margin-top:14px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.drop{position:relative;border:2px dashed var(--concrete-lo);background:var(--concrete-hi);transition:border-color .2s,background-color .2s}
.drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;padding:0;border:0}
.drop-msg{display:flex;flex-direction:column;align-items:center;gap:4px;padding:24px 16px;text-align:center;color:var(--muted);pointer-events:none}
.drop-msg svg{color:var(--cobalt)}
.drop-msg strong{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:1.3rem;color:var(--graphite)}
.drop-msg span{font-size:.88rem}
.drop:hover,.drop.over{border-color:var(--cobalt)}
.drop.over{background:#E9EEFA}
.drop:focus-within{outline:3px solid var(--go);outline-offset:2px}
.drop.full{display:none}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px;margin-top:10px}
.thumbs:empty{display:none}
.thumb{position:relative;margin:0;aspect-ratio:1;overflow:hidden;background:var(--cobalt)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb::before{content:"";position:absolute;left:5px;top:5px;width:14px;height:14px;border:2px solid var(--go);border-right:0;border-bottom:0;pointer-events:none}
.thumb .rm{position:absolute;top:5px;right:5px;width:28px;height:28px;border:0;border-radius:50%;background:rgba(36,39,43,.85);color:#fff;font-size:17px;line-height:28px;padding:0;cursor:pointer}
.thumb .rm:hover{background:var(--go);color:var(--graphite)}
.thumb .bar{position:absolute;left:0;right:0;bottom:0;height:7px;background:rgba(36,39,43,.6);opacity:0;transition:opacity .2s}
.thumb .bar i{display:block;height:100%;width:0;background:repeating-linear-gradient(90deg,rgba(36,39,43,.6) 0 1px,transparent 1px 6px),#FFC41F;transition:width .2s}
.thumb.up .bar{opacity:1}
.thumb.ok{box-shadow:inset 0 0 0 3px #2E7D4F}
.thumb.bad{box-shadow:inset 0 0 0 3px #B3261E}
.thumb .noprev{position:absolute;inset:0;display:grid;place-items:center;color:var(--chalk);font-size:.75rem;padding:6px;text-align:center}
.received{padding:48px 28px;border:2px solid var(--graphite);background:var(--concrete-hi);text-align:center}
.stamp{display:inline-block;font-family:var(--display);font-weight:900;font-size:2.6rem;letter-spacing:.08em;text-transform:uppercase;color:#2E7D4F;border:4px solid #2E7D4F;padding:2px 22px;transform:rotate(-7deg);margin-bottom:20px}
.motion .stamp{animation:stamp .5s cubic-bezier(.2,1.6,.4,1) both}
@keyframes stamp{from{transform:rotate(-7deg) scale(2.6);opacity:0}}
.received h3{font-size:2rem;margin-bottom:.4em}

/* ---------- Mobile action bar ---------- */
.mcta{display:none}
@media (max-width:700px){
  .mcta{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--concrete);border-top:1px solid var(--rule);padding:10px 14px calc(10px + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .35s var(--ease)}
  .mcta.show{transform:none}
  .mcta a{flex:1}
  .ft{padding-bottom:76px}
}

@view-transition{navigation:auto}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* ---------- Roster: the trades behind every job ----------
   Closed cards sit back in a dark monochrome; the open one comes up in full colour. */
.roster-sec{position:relative;background:var(--graphite);color:var(--chalk);overflow:hidden}
.roster-city{position:absolute;inset:0 0 auto 0;height:min(64vh,580px);background:var(--graphite)}
.roster-city img{object-position:50% 40%}
.roster-city::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(36,39,43,.25) 0%,rgba(36,39,43,.78) 52%,var(--graphite) 96%)}
.roster-in{position:relative;max-width:var(--max);margin:0 auto;padding:clamp(170px,22vw,300px) var(--gut) clamp(70px,9vw,120px)}
.roster-head{display:flex;justify-content:space-between;align-items:end;gap:16px 40px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,44px)}
.roster-head .sec-h{margin-bottom:0;text-shadow:0 2px 30px rgba(18,20,23,.5)}
.roster-head .sec-p{color:rgba(238,243,255,.82);margin:0 0 .3em;max-width:42ch}
.roster{list-style:none;margin:0;padding:0;display:flex;gap:8px;height:clamp(440px,62vh,620px)}
.slat{position:relative;flex:1 1 0;min-width:0;overflow:hidden;background:#1A1C1F;outline-offset:4px;cursor:pointer;transition:flex-grow .7s var(--ease)}
.slat.on{flex-grow:3.4;cursor:default}
.slat .ph{position:absolute;inset:0;background:transparent}
.slat .ph img{object-position:var(--op,50% 30%);filter:grayscale(1) contrast(1.05) brightness(.62);transition:filter .7s var(--ease),transform 1.2s var(--ease);transform:scale(1.04)}
.slat.on .ph img{filter:none;transform:none}
.slat:not(.on):hover .ph img{filter:grayscale(1) contrast(1.05) brightness(.8)}
.slat::after{content:"";position:absolute;inset:auto 0 0 0;height:60%;background:linear-gradient(0deg,rgba(20,22,26,.9),rgba(20,22,26,0));pointer-events:none}
.slat::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--go);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease);z-index:2}
.slat.on::before{transform:none}
.slat-tag{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;display:flex;align-items:baseline;gap:12px;white-space:nowrap}
.slat-tag b{font-family:var(--display);font-weight:900;font-size:clamp(2rem,2.8vw,2.7rem);line-height:.8;color:var(--go)}
.slat-t{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(1.1rem,1.4vw,1.45rem);letter-spacing:.02em}
.slat-note{position:absolute;left:18px;bottom:64px;z-index:2;width:min(340px,calc(100% - 36px));margin:0;font-size:.95rem;line-height:1.5;color:var(--chalk);
  opacity:0;transform:translateY(10px);transition:opacity .3s,transform .5s var(--ease)}
.slat.on .slat-note{opacity:1;transform:none;transition-delay:.3s}
.slat:not(.on) .slat-tag{flex-direction:column;align-items:flex-start;gap:10px}
.slat:not(.on) .slat-t{writing-mode:vertical-rl;transform:rotate(180deg)}
.roster-credit{margin:20px 0 0;font-size:.78rem;color:rgba(238,243,255,.5)}
@media (max-width:760px){
  .roster{height:auto;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:0 calc(-1*var(--gut));padding:0 var(--gut) 6px;scrollbar-width:none}
  .roster::-webkit-scrollbar{display:none}
  .slat,.slat.on{flex:0 0 80%;aspect-ratio:3/4;scroll-snap-align:center}
  .slat .ph img{filter:none;transform:none}
  .slat::before{transform:none}
  .slat-note{opacity:1;transform:none}
  .slat:not(.on) .slat-tag{flex-direction:row;align-items:baseline;gap:12px}
  .slat:not(.on) .slat-t{writing-mode:horizontal-tb;transform:none}
  .roster-city{height:360px}
  .roster-in{padding-top:200px}
}
@media (prefers-reduced-motion:reduce){.slat,.slat-note,.slat .ph img{transition:none}}

/* ---------- Drafting paper (About, Services, Projects) ----------
   Light sections read like sheets from a set of construction drawings:
   a faint engineering grid, a scale ruler down the edge, a section-cut hatch
   along the top, a sheet number in the corner and a big outlined callout. */
.paper{--pbg:var(--concrete);--hatch:repeating-linear-gradient(-45deg,rgba(36,39,43,.16) 0 1px,transparent 1px 7px) 0 0/100% 9px no-repeat;
  position:relative;overflow:hidden;background:var(--hatch),
  repeating-linear-gradient(180deg,rgba(36,39,43,.4) 0 1px,transparent 1px 50px) 0 0/15px 100% no-repeat,
  repeating-linear-gradient(180deg,rgba(36,39,43,.24) 0 1px,transparent 1px 10px) 0 0/7px 100% no-repeat,
  radial-gradient(ellipse 70% 85% at 88% 20%,transparent 0,var(--pbg) 72%),
  linear-gradient(rgba(27,58,143,.10) 1px,transparent 1px) 0 0/120px 120px,
  linear-gradient(90deg,rgba(27,58,143,.10) 1px,transparent 1px) 0 0/120px 120px,
  linear-gradient(rgba(27,58,143,.05) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,rgba(27,58,143,.05) 1px,transparent 1px) 0 0/24px 24px,
  var(--pbg)}
.story.paper,.types.paper{--pbg:var(--concrete-hi)}
/* section-cut hatch along the top edge (not on the first sheet under the header) */
.paper:not(.paper-top){border-top:1px solid var(--rule)}
.paper-top{--hatch:linear-gradient(transparent,transparent) 0 0/0 0 no-repeat}
.paper>*{position:relative;z-index:1}
.paper::before{content:attr(data-sheet);position:absolute;z-index:2;top:22px;right:max(var(--gut),calc((100% - var(--max)) / 2 + var(--gut)));
  font:700 .68rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--cobalt);
  padding:7px 11px 7px 30px;border:1px solid rgba(27,58,143,.35);background:var(--pbg);
  background-image:radial-gradient(circle at 15px 50%,transparent 0 4px,var(--cobalt) 4px 5.4px,transparent 5.4px),
    linear-gradient(var(--cobalt),var(--cobalt)),linear-gradient(var(--cobalt),var(--cobalt));
  background-size:auto,1px 14px,14px 1px;background-position:0 0,15px 50%,8px 50%;background-repeat:no-repeat}
.paper::after{content:attr(data-mark);position:absolute;z-index:0;right:-.03em;bottom:-.17em;pointer-events:none;white-space:nowrap;
  font-family:var(--display);font-weight:900;font-size:clamp(7rem,20vw,21rem);line-height:.8;letter-spacing:-.01em;
  color:transparent;-webkit-text-stroke:1.5px rgba(27,58,143,.14)}
.paper[data-mark=""]::after{display:none}
.paper-top::after{bottom:auto;top:12%;right:-.04em;-webkit-text-stroke-color:rgba(27,58,143,.09)}
/* drawing dimension line |—— LABEL ——| */
.dim{display:flex;align-items:center;gap:12px;max-width:560px;margin:-.1em 0 1.6em;font:700 .7rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--cobalt)}
.dim span{white-space:nowrap}
.dim::before,.dim::after{content:"";flex:1;min-width:24px;height:11px;background:linear-gradient(currentColor,currentColor) 0 50%/100% 1.5px no-repeat}
.dim::before{border-left:1.5px solid}
.dim::after{border-right:1.5px solid}
.index .dim{margin:0 0 22px}
.pj-head .dim{margin-top:1.6em}
@media (max-width:760px){
  .paper{background-size:100% 9px,0 0,0 0,auto,120px 120px,120px 120px,24px 24px,24px 24px,auto}
  .paper-top{background-size:0 0,0 0,0 0,auto,120px 120px,120px 120px,24px 24px,24px 24px,auto}
  .paper::before{top:12px;font-size:.6rem;padding:6px 9px 6px 26px}
  .paper::after{font-size:clamp(5.5rem,34vw,9rem)}
  .dim{font-size:.62rem;gap:8px}
  .dim span{white-space:normal;text-align:center}
}

/* ---- Paper variations: graph (default), dot grid, isometric, plain ---- */
.paper.dots{background:var(--hatch),
  repeating-linear-gradient(180deg,rgba(36,39,43,.4) 0 1px,transparent 1px 50px) 0 0/15px 100% no-repeat,
  repeating-linear-gradient(180deg,rgba(36,39,43,.24) 0 1px,transparent 1px 10px) 0 0/7px 100% no-repeat,
  radial-gradient(ellipse 75% 90% at 85% 25%,transparent 0,var(--pbg) 75%),
  radial-gradient(circle,rgba(27,58,143,.26) 1px,transparent 1.6px) 0 0/22px 22px,
  var(--pbg)}
.paper.paper-iso{background:var(--hatch),
  repeating-linear-gradient(180deg,rgba(36,39,43,.4) 0 1px,transparent 1px 50px) 0 0/15px 100% no-repeat,
  repeating-linear-gradient(180deg,rgba(36,39,43,.24) 0 1px,transparent 1px 10px) 0 0/7px 100% no-repeat,
  radial-gradient(ellipse 60% 90% at 90% 40%,transparent 0,var(--pbg) 72%),
  repeating-linear-gradient(30deg,rgba(27,58,143,.07) 0 1px,transparent 1px 28px),
  repeating-linear-gradient(150deg,rgba(27,58,143,.07) 0 1px,transparent 1px 28px),
  repeating-linear-gradient(90deg,rgba(27,58,143,.05) 0 1px,transparent 1px 48.5px),
  var(--pbg)}
.paper.plain{background:var(--hatch),
  repeating-linear-gradient(180deg,rgba(36,39,43,.4) 0 1px,transparent 1px 50px) 0 0/15px 100% no-repeat,
  repeating-linear-gradient(180deg,rgba(36,39,43,.24) 0 1px,transparent 1px 10px) 0 0/7px 100% no-repeat,
  radial-gradient(ellipse 120% 100% at 50% 0%,rgba(255,255,255,.35),transparent 70%),
  var(--pbg)}

/* ---- Faint blueprint drawings ---- */
.paper>svg.bp,.paper>svg.coffee{position:absolute;z-index:0;pointer-events:none;height:auto;display:none}
.bp{color:rgba(27,58,143,.34);overflow:visible}
.bp g,.bp path,.bp rect,.bp circle,.bp ellipse{fill:none;stroke:currentColor}
.bp .w *{stroke-width:2.2}.bp .w{stroke-width:2.2}
.bp .t,.bp .t *{stroke-width:1}
.bp .dm,.bp .dm *,.bp .ld,.bp .ld *{stroke-width:.8}
.bp .pl{stroke-width:1.4;stroke-dasharray:14 4 3 4}
.bp .sb{stroke-dasharray:4 4;stroke-width:.8}
.bp .ct{stroke-dasharray:2 3;stroke-width:.8}
.bp .na path{fill:currentColor;stroke:none}
.bp text{fill:currentColor;stroke:none;font:700 9px/1 var(--sans);letter-spacing:.12em;text-anchor:middle}
.bp text.s{font-size:7.5px;letter-spacing:.1em}
.bp .pc,.bp .pc *{stroke:rgba(36,39,43,.5);stroke-width:1.3;stroke-linecap:round;fill:none}
.bp .pc text.hand,.bp text.hand{fill:rgba(36,39,43,.62);stroke:none;font:400 15px/1 "Architects Daughter",cursive;letter-spacing:0;text-anchor:start}
.story>.bp-plan{right:max(var(--gut),calc((100% - var(--max)) / 2 + var(--gut)));top:74px;width:min(390px,29vw)}
.index>.bp-truss{right:max(var(--gut),calc((100% - var(--max)) / 2 + var(--gut)));bottom:10px;width:min(250px,19vw)}
.types>.bp-frame{right:max(var(--gut),calc((100% - var(--max)) / 2 + var(--gut)));top:58px;width:min(250px,19vw)}
.paper-top>.bp-site{right:max(var(--gut),calc((100% - var(--max)) / 2 + var(--gut)));top:76px;width:min(400px,30vw)}
.process>.coffee{right:max(calc(var(--gut) + 60px),calc((100% - var(--max)) / 2 + var(--gut) + 120px));top:120px;width:150px;transform:rotate(18deg)}
.coffee circle,.coffee path{fill:none;stroke:rgba(122,82,42,.13);stroke-linecap:round}
.coffee circle:first-child{fill:rgba(150,104,56,.035)}
@media (min-width:1100px){.paper>svg.bp,.paper>svg.coffee{display:block}}

/* ---- Pencil notes ---- */
.note{position:absolute;z-index:3;display:none;font:400 1.12rem/1.1 "Architects Daughter",cursive;color:rgba(36,39,43,.66);white-space:nowrap;pointer-events:none;transform:rotate(-4deg)}
.arw{position:absolute;width:70px;height:48px;fill:none;stroke:rgba(36,39,43,.55);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media (min-width:1100px){.note{display:block}}
.timeline li,.timeline-sec .tl-in,.divs,.types-in,.pj-img{position:relative}
.n-today{right:4%;top:28%}.n-today .arw{left:-78px;top:-6px}
.n-writing{right:6%;top:30%;transform:rotate(3deg)}.n-writing .arw{left:-78px;top:-4px}
.index-in{position:relative}
.n-whole{right:clamp(270px,22vw,300px);bottom:clamp(26px,4vw,50px);transform:rotate(-3deg)}.n-whole .arw{right:-44px;top:2px;width:40px}
.n-adu{left:min(560px,44%);top:clamp(70px,9vw,130px);transform:rotate(-5deg)}.n-adu .arw{left:-62px;top:22px}
.n-drag{left:58%;bottom:-46px;transform:rotate(-3deg)}.n-drag .arw{left:-44px;top:-46px;width:50px}
/* hero title strip, like the block in the corner of a drawing */
.drawn{display:flex;flex-wrap:wrap;gap:0;margin:22px 0 0;font:700 .62rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:rgba(27,58,143,.7);width:max-content;max-width:100%;border:1px solid rgba(27,58,143,.3)}
.drawn span{padding:8px 12px;border-right:1px solid rgba(27,58,143,.3)}
.drawn span:last-child{border-right:0}
@media (max-width:560px){.drawn{display:none}}

/* ---------- Process illustrations (Services) ---------- */
.sa{display:none}
@media (min-width:1000px){
  .timeline li.has-art{padding-right:360px;min-height:212px;align-content:center}
  .sa{display:block;position:absolute;right:0;top:50%;width:320px;height:183px;transform:translateY(-50%);overflow:visible}
}
.sa text{font:700 8.5px/1 var(--sans);letter-spacing:.1em;fill:var(--cobalt)}
.sa .l{fill:none;stroke:rgba(27,58,143,.55);stroke-width:1.4}
.sa .dash{stroke-dasharray:5 4;stroke:rgba(27,58,143,.35)}
.sa .o{fill:none;stroke:var(--go);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sa .cap{text-anchor:middle;fill:rgba(27,58,143,.6);font-size:7.5px}
.sa .hand{font:400 13px/1 "Architects Daughter",cursive;letter-spacing:0;fill:rgba(36,39,43,.6)}
.sa .ttl{font:800 11px/1 var(--display);letter-spacing:.08em;fill:var(--graphite)}
/* walk-through */
.sa-walk .ft{fill:rgba(36,39,43,.5)}
.sa-walk .pin{fill:var(--go)}
.sa-walk .dimt{text-anchor:middle;fill:var(--go);font-size:9px}
/* estimate */
.sa-est .row text{font:600 9px/1 var(--sans);letter-spacing:0;fill:var(--graphite)}
.sa-est .lead{fill:none;stroke:rgba(36,39,43,.35);stroke-width:1;stroke-dasharray:1.5 3}
.sa-est .amt{fill:none;stroke:var(--graphite);stroke-width:3;stroke-linecap:round}
.sa-est .pencil path{fill:#FFC41F;stroke:var(--graphite);stroke-width:1}
.sa-est .pencil .tip{fill:var(--pine)}
.sa-est .pencil .band{stroke:var(--graphite);stroke-width:2}
.sa-est .pencil{transform:translate(214px,148px)}
/* schedule */
.sa-gantt .wk path{stroke:rgba(27,58,143,.45);stroke-width:1}
.sa-gantt .wk text{text-anchor:middle;font-size:7px;fill:rgba(27,58,143,.6)}
.sa-gantt .link path{fill:none;stroke:var(--go);stroke-width:1.2;stroke-dasharray:2 3}
.sa-gantt .node{fill:var(--go)}
.sa-gantt .bar rect{fill:var(--cobalt)}
.sa-gantt .bar.last rect{fill:var(--graphite)}
.sa-gantt .bar text{font-size:7.5px;fill:var(--chalk)}
.sa-gantt .today{stroke:var(--go);stroke-width:1.5;stroke-dasharray:3 3;opacity:0}
/* punch list */
.sa-punch .clip{fill:var(--graphite)}
.sa-punch .ln{stroke:rgba(36,39,43,.4);stroke-width:2;stroke-linecap:round}
.sa-punch .stamp{transform:translate(214px,118px) rotate(-14deg)}
.sa-punch .stamp circle{fill:none;stroke:#2E7D4F;stroke-width:2.5}
.sa-punch .stamp circle+circle{stroke-width:1}
.sa-punch .stamp text{text-anchor:middle;font:900 12px/1 var(--display);letter-spacing:.08em;fill:#2E7D4F}
.sa-punch .stamp .sm{font-size:6.5px;letter-spacing:.14em}

/* motion: everything starts undrawn and plays when the step scrolls in */
.motion .sa .d{stroke-dasharray:1;stroke-dashoffset:1}
.motion .sa-est .lead.d{stroke-dasharray:1;stroke-dashoffset:1}
.motion .play .sa .d{animation:draw 1s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.motion .sa text,.motion .sa-walk .ft,.motion .sa-walk .pin,.motion .sa-gantt .bar,.motion .sa-gantt .node,.motion .sa-punch .stamp,.motion .sa-est .pencil,.motion .sa-punch .ln{opacity:0}
/* walk-through: footsteps one by one, then the tape gets pulled */
.motion .play .sa-walk .pin{animation:pop .4s var(--ease) forwards}
.motion .play .sa-walk .ft{animation:fade .25s ease forwards;animation-delay:calc(.3s + var(--i) * .13s)}
.motion .play .sa-walk .tape .d{animation-delay:2.3s;animation-duration:.8s}
.motion .play .sa-walk text{animation:fade .5s ease forwards;animation-delay:.4s}
.motion .play .sa-walk .dimt,.motion .play .sa-walk .hand{animation-delay:2.9s}
/* estimate: the pencil writes each line, then the total gets underlined */
.motion .play .sa-est .ttl{animation:fade .4s ease .5s forwards}
.motion .play .sa-est .row text{animation:fade .35s ease forwards;animation-delay:calc(.9s + var(--i) * .5s)}
.motion .play .sa-est .row .d{animation-delay:calc(1.05s + var(--i) * .5s);animation-duration:.45s}
.motion .play .sa-est .tot text{animation:fade .4s ease 3s forwards}
.motion .play .sa-est .tot .d{animation-delay:3.2s;animation-duration:.6s}
.motion .play .sa-est .pencil{animation:pencil 3.9s ease .6s forwards}
@keyframes pencil{0%{opacity:0;transform:translate(214px,64px)}8%{opacity:1}
  20%{transform:translate(214px,64px)}33%{transform:translate(214px,84px)}46%{transform:translate(214px,104px)}59%{transform:translate(214px,124px)}
  80%{transform:translate(214px,146px);opacity:1}100%{transform:translate(232px,150px);opacity:0}}
/* schedule: trades slot in, in order, all tied back to one call */
.motion .play .sa-gantt .node{animation:pop .4s var(--ease) .3s forwards}
.motion .play .sa-gantt .bar{animation:barin .6s var(--ease) forwards;animation-delay:calc(.6s + var(--i) * .35s)}
.sa-gantt .bar{transform-box:fill-box;transform-origin:left center}
.motion .play .sa-gantt .link .d{animation-delay:2s;animation-duration:1.1s}
.motion .play .sa-gantt text{animation:fade .4s ease .4s forwards}
.motion .play .sa-gantt .bar text{animation:none;opacity:1}
.motion .play .sa-gantt .today{animation:sweep 2.6s ease-in-out 2.4s forwards}
@keyframes barin{from{opacity:0;transform:scaleX(0)}to{opacity:1;transform:none}}
@keyframes sweep{0%{opacity:0;transform:translateX(0)}10%{opacity:1}90%{opacity:1}100%{opacity:0;transform:translateX(228px)}}
/* punch list: items tick off, inspection stamp lands */
.motion .play .sa-punch .ttl{animation:fade .4s ease .5s forwards}
.motion .play .sa-punch .ln{animation:fade .3s ease forwards;animation-delay:calc(.7s + var(--i) * .1s)}
.motion .play .sa-punch .ck .d{animation-delay:calc(1.3s + var(--i) * .45s);animation-duration:.35s}
.motion .play .sa-punch .stamp{animation:stampin .45s cubic-bezier(.2,1.6,.4,1) 3.3s forwards}
.motion .play .sa-punch .stamp text{animation:none;opacity:1}
@keyframes stampin{from{opacity:0;transform:translate(214px,118px) rotate(-14deg) scale(2.2)}to{opacity:1;transform:translate(214px,118px) rotate(-14deg) scale(1)}}
@keyframes pop{from{opacity:0;transform:scale(0)}to{opacity:1;transform:none}}
.sa-walk .pin,.sa-gantt .node{transform-box:fill-box;transform-origin:center}
@keyframes fade{to{opacity:1}}

/* ---------- Section-to-section flow ----------
   Arriving at each sheet: a saw-cut runs along the hatch line, the sheet number stamps in,
   the heading rises out of the page, dimension lines stretch out from their label, rule lines
   draw across row by row, the background drawing inks itself in and pencil notes get written. */
.paper>.cut{position:absolute;left:0;top:0;height:9px;width:100%;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent,var(--go) 70%,#FFD3B8);transform-origin:left;transform:scaleX(0);opacity:0}
.motion .paper.seen>.cut{animation:cut 1.2s cubic-bezier(.6,0,.2,1) forwards}
@keyframes cut{0%{transform:scaleX(0);opacity:1}70%{transform:scaleX(1);opacity:1}100%{transform:scaleX(1);opacity:0}}
.motion .paper::before{opacity:0}
.motion .paper.seen::before{animation:sheetin .5s cubic-bezier(.2,1.5,.4,1) .35s forwards}
@keyframes sheetin{from{opacity:0;transform:translateY(-6px) scale(1.15)}to{opacity:1;transform:none}}
.motion .paper::after{opacity:0;transform:translateY(40px);transition:opacity 1.4s ease .4s,transform 1.6s var(--ease) .4s}
.motion .paper.seen::after{opacity:1;transform:none}
.motion .paper :is(.sec-h,.sheet-h){clip-path:inset(0 0 100% 0);transform:translateY(.25em);transition:clip-path .9s var(--ease) .15s,transform .9s var(--ease) .15s}
.motion .paper.seen :is(.sec-h,.sheet-h){clip-path:inset(-10% -5% -20% -5%);transform:none}
.motion .paper .dim::before{transform:scaleX(0);transform-origin:right;transition:transform .8s var(--ease) .6s}
.motion .paper .dim::after{transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease) .6s}
.motion .paper .dim span{opacity:0;transition:opacity .5s ease .45s}
.motion .paper.seen .dim::before,.motion .paper.seen .dim::after{transform:none}
.motion .paper.seen .dim span{opacity:1}
/* rule lines between rows draw left to right, one after another */
.motion .paper :is(.timeline li,.div){border-top-color:transparent;background-image:linear-gradient(var(--rl,var(--rule)),var(--rl,var(--rule)));background-repeat:no-repeat;background-position:0 0;background-size:0 1px;
  transition:background-size .7s var(--ease) calc(.5s + var(--i,0) * 70ms),background-color .25s,color .25s}
.motion .paper .div{--rl:var(--graphite)}
.motion .paper.seen :is(.timeline li,.div){background-size:100% 1px}
.motion .paper :is(.timeline li,.div)>*:not(.sa):not(.note){opacity:0;transform:translateY(10px);transition:opacity .6s ease calc(.6s + var(--i,0) * 70ms),transform .6s var(--ease) calc(.6s + var(--i,0) * 70ms)}
.motion .paper.seen :is(.timeline li,.div)>*:not(.sa):not(.note){opacity:1;transform:none}
.motion .paper .type{opacity:0;transform:translateY(16px);transition:opacity .6s ease calc(.4s + var(--i,0) * 120ms),transform .7s var(--ease) calc(.4s + var(--i,0) * 120ms)}
.motion .paper.seen .type{opacity:1;transform:none}
/* background drawings ink themselves in */
.motion .paper .bp [pathLength]{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2.4s cubic-bezier(.5,0,.2,1) .5s}
.motion .paper.seen .bp [pathLength]{stroke-dashoffset:0}
.motion .paper .bp :is(text,.pl,.sb,.ct,.na path){opacity:0;transition:opacity 1s ease 1.8s}
.motion .paper.seen .bp :is(text,.pl,.sb,.ct,.na path){opacity:1}
/* pencil notes get written */
.motion .note{clip-path:inset(-20% 100% -20% -40%);transition:clip-path 1.3s steps(14,end) 2s}
.motion .seen .note,.motion .note.seen{clip-path:inset(-60% -60% -60% -60%)}
.motion .note .arw [pathLength]{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .6s ease 3.2s}
.motion .seen .note .arw [pathLength]{stroke-dashoffset:0}
.motion .coffee{opacity:0;transition:opacity 2s ease 1s}
.motion .seen>.coffee{opacity:1}
@media (prefers-reduced-motion:reduce){.paper>.cut{display:none}}

/* ---------- About timeline illustrations (pipe run, foreman's crew, two trades, the network) ---------- */
.art .c{fill:none;stroke:rgba(27,58,143,.6);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art .o{fill:none;stroke:var(--go);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.art .k{fill:none;stroke:rgba(36,39,43,.5);stroke-width:1.4;stroke-linecap:round}
.art .thin{stroke-width:1}.art .thick{stroke-width:3.2}
.art .cf{fill:rgba(27,58,143,.72);stroke:none}.art .of{fill:var(--go);stroke:none}.art .kf{fill:rgba(36,39,43,.55);stroke:none}
.art .node{fill:var(--concrete);stroke:rgba(27,58,143,.7);stroke-width:1.5}
.art .pipe{fill:none;stroke:rgba(27,58,143,.28);stroke-width:11;stroke-linecap:round;stroke-linejoin:round}
.art .flow{fill:none;stroke:var(--go);stroke-width:2.4;stroke-linecap:round;stroke-dasharray:.02 .045}
.art .pulse{fill:none;stroke:var(--go);stroke-width:1.5;opacity:0}
.art .spark{opacity:0}
.art .lbl{font:700 8px/1 var(--sans);letter-spacing:.12em;fill:rgba(27,58,143,.7)}
.art .lbl.m{text-anchor:middle}
.art .p,.art .pulse{transform-box:fill-box;transform-origin:center}
.motion .art .p,.motion .art .flow{opacity:0}
.motion .play .art .d{animation-delay:calc(.2s + var(--i,0) * .16s)}
.motion .play .art .p{animation:pop .45s var(--ease) forwards;animation-delay:calc(.2s + var(--i,0) * .16s)}
.motion .play .art text{animation:fade .5s ease .5s forwards}
.motion .play .art .flow{animation:fade .5s ease 1.3s forwards,flow 7s linear 1.3s infinite}
@keyframes flow{to{stroke-dashoffset:-1}}
.motion .play .art .spark{animation:spark 1.8s ease-in-out 1.3s infinite}
@keyframes spark{0%{opacity:0;transform:translateX(0)}15%,85%{opacity:1}100%{opacity:0;transform:translateX(64px)}}
.motion .play .art .pulse{animation:pulse 2.6s ease-out 1.2s infinite}
@keyframes pulse{0%{opacity:.7;transform:scale(1)}100%{opacity:0;transform:scale(2.8)}}
html:not(.motion) .art .spark{opacity:1}

/* ---------- Plumb line: one string runs down the drawing set, tying each sheet to the last ---------- */
.plumb{display:none}
@media (min-width:1100px){
  main{position:relative}
  .plumb{display:block;position:absolute;z-index:5;left:30px;top:0;bottom:0;width:2px;pointer-events:none}
  .plumb-line{position:absolute;left:0;top:0;width:1px;height:var(--h,0px);background:rgba(36,39,43,.45)}
  .plumb-bob{position:absolute;left:-6px;top:var(--h,0px);width:13px;height:18px;
    background:linear-gradient(90deg,#C5521C,var(--go) 45%,#FF8A56);clip-path:polygon(50% 100%,0 30%,20% 0,80% 0,100% 30%);
    transform:translateY(-2px)}
  .plumb-node{position:absolute;left:-5px;width:11px;height:11px;border-radius:50%;border:1.5px solid rgba(27,58,143,.6);background:var(--concrete);transition:background-color .3s,border-color .3s,transform .3s var(--ease)}
  .plumb-node.on{background:var(--go);border-color:var(--go);transform:scale(1.15)}
  .plumb-node span{position:absolute;left:16px;top:-2px;font:700 .58rem/1 var(--sans);letter-spacing:.14em;color:rgba(27,58,143,.55);white-space:nowrap;opacity:0;transition:opacity .4s}
  .plumb-node.on span{opacity:1}
}
@media (max-width:1399px){.plumb-node span{display:none}}

/* ---------- Phones & tablets: same drawing set, scaled to the page ---------- */
@media (max-width:999px){
  /* step + timeline illustrations sit under their text, like a detail callout */
  .timeline li.has-art .sa{display:block;position:relative;grid-column:2;grid-row:3;width:100%;max-width:380px;height:auto;margin:18px 0 4px;overflow:visible}
  .timeline-sec .timeline li.has-art .sa{grid-row:2}
}
@media (max-width:600px){
  .timeline li.has-art .sa{grid-column:1/-1;max-width:none;margin:16px 0 2px}
}
@media (max-width:1099px){
  /* faint background drawings: smaller, tucked top-right under the sheet label */
  .paper>svg.bp{display:block;opacity:.6;width:min(46vw,300px)!important;top:58px!important;bottom:auto!important;right:var(--gut)!important}
  .index>.bp-truss{width:min(36vw,220px)!important}
  .types>.bp-frame{width:min(30vw,190px)!important}
  .paper>svg.coffee{display:block;width:88px;top:auto;bottom:10px;right:calc(var(--gut) + 6px)}
  /* pencil notes follow the content instead of floating in the margin */
  .note{display:block;font-size:1rem}
  .n-whole{position:relative;right:auto;bottom:auto;width:max-content;margin:24px 52px 0 auto}
  .n-adu{right:0;left:auto;top:clamp(-6px,1vw,8px)}
  .n-adu .arw{left:auto;right:-6px;top:22px;width:46px;transform:scaleX(-1)}
  .n-drag{left:auto;right:6px;bottom:-40px}
  .n-drag .arw{left:-40px;top:-40px;width:44px}
}
@media (max-width:560px){
  .drawn{display:flex;width:auto;font-size:.54rem;letter-spacing:.12em;margin-top:18px}
  .drawn span{padding:7px 9px}
}
/* plumb line on phones: a fine string in the left margin, no labels */
@media (max-width:1099px){
  main{position:relative}
  .plumb{display:block;position:absolute;z-index:5;left:max(8px,calc(var(--gut) / 2 - 1px));top:0;bottom:0;width:2px;pointer-events:none}
  .plumb-line{position:absolute;left:0;top:0;width:1px;height:var(--h,0px);background:rgba(36,39,43,.4)}
  .plumb-bob{position:absolute;left:-4px;top:var(--h,0px);width:9px;height:13px;
    background:linear-gradient(90deg,#C5521C,var(--go) 45%,#FF8A56);clip-path:polygon(50% 100%,0 30%,20% 0,80% 0,100% 30%);transform:translateY(-2px)}
  .plumb-node{position:absolute;left:-3.5px;width:8px;height:8px;border-radius:50%;border:1.5px solid rgba(27,58,143,.6);background:var(--concrete);transition:background-color .3s,border-color .3s,transform .3s var(--ease)}
  .plumb-node.on{background:var(--go);border-color:var(--go);transform:scale(1.15)}
  .plumb-node span{display:none}
}
@media (max-width:1099px){
  .types-in{display:flex;flex-direction:column}
  .types-in>.sec-h{order:1}.types-in>.dim{order:2}.types-in>.n-adu{order:3}.types-in>.type-list{order:4}
  .n-adu{position:relative;left:auto;right:auto;top:auto;align-self:flex-end;margin:4px 6px 18px 0}
  .n-adu .arw{left:-58px;right:auto;top:16px;width:50px;transform:none}
}
@media (max-width:999px){.timeline li.has-art .sa{margin-inline:auto;max-width:360px}}
@media (max-width:600px){.timeline-sec .timeline li{grid-template-columns:92px 1fr}}