/* ==========================================================================
   BMK Groundworks & Civil Engineering: homepage concept
   Idea: "Marked out". The page reads like a groundworks drawing set on chalk
   paper. Survey-spray blue marks, figure captions, sheet headers, and the
   hatching engineers use for earth, concrete and hardcore as section breaks.
   ========================================================================== */

/* ---------- Fonts (self-hosted, latin subset) ---------- */
@font-face{font-family:"Big Shoulders Display";src:url("../fonts/big-shoulders-display.woff2") format("woff2");font-weight:300 900;font-style:normal;font-display:swap}
@font-face{font-family:"Big Shoulders Stencil";src:url("../fonts/big-shoulders-stencil.woff2") format("woff2");font-weight:700 900;font-style:normal;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("../fonts/hanken-grotesk.woff2") format("woff2");font-weight:300 800;font-style:normal;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("../fonts/hanken-grotesk-italic.woff2") format("woff2");font-weight:300 600;font-style:italic;font-display:swap}
@font-face{font-family:"DM Mono";src:url("../fonts/dm-mono-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"DM Mono";src:url("../fonts/dm-mono-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --paper:#ece7da;      /* chalk drawing paper */
  --paper-hi:#f5f1e7;
  --paper-lo:#e1dbc9;
  --ink:#141922;
  --ink-soft:#434b57;
  --blue:#1e439e;       /* BMK logo blue, sampled from the logo */
  --blue-deep:#173478;
  --spray:#2b5cff;      /* survey marker paint */
  --chalk:#f1ece0;
  --rule:rgba(20,25,34,.22);

  --f-display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --f-stencil:"Big Shoulders Stencil","Big Shoulders Display","Arial Narrow",sans-serif;
  --f-text:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"DM Mono",ui-monospace,"SF Mono",Menlo,monospace;

  --gutter:clamp(20px,4.2vw,64px);
  --gap:clamp(14px,1.9vw,28px);
  --max:1440px;
  --hh:68px;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hh) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.55 var(--f-text);overflow-x:clip;counter-reset:fig;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
/* faint paper grain */
body::before{content:"";position:fixed;inset:0;z-index:200;pointer-events:none;opacity:.32;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .3 0 0 0 0 .22 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,p,figure,dl,dd,ol,ul{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--spray);outline-offset:3px}
::selection{background:var(--spray);color:#fff}
.wrap{width:100%;max-width:calc(var(--max) + var(--gutter) * 2);margin-inline:auto;padding-inline:var(--gutter)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:12px;top:-60px;z-index:400;background:var(--ink);color:var(--paper);padding:10px 14px;font:500 13px var(--f-mono);text-decoration:none}
.skip:focus{top:12px}

/* ---------- Small parts used everywhere ---------- */
.fig::before{counter-increment:fig;content:"Fig. " counter(fig,decimal-leading-zero);color:var(--blue);font-weight:500;white-space:nowrap}
figcaption{display:flex;gap:10px;margin-top:12px;font:400 11.5px/1.4 var(--f-mono);text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft)}
.frame{position:relative}
.frame::before,.frame::after{content:"";position:absolute;width:20px;height:20px;border:solid var(--ink);pointer-events:none;z-index:2}
.frame::before{left:-8px;top:-8px;border-width:1.5px 0 0 1.5px}
.frame::after{right:-8px;bottom:-8px;border-width:0 1.5px 1.5px 0}
.frame--chalk::before,.frame--chalk::after{border-color:var(--chalk)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.65em;padding:.95em 1.45em;border:2px solid var(--ink);background:transparent;color:var(--ink);font:600 1rem/1 var(--f-text);letter-spacing:.01em;text-decoration:none;cursor:pointer;transition:background-color .18s,color .18s,border-color .18s}
.btn svg{width:1.3em;height:1.3em;flex:none}
.btn--sm{padding:.7em 1.05em;font-size:.9375rem}
.btn--wide{width:100%}
.btn--blue{background:var(--blue);border-color:var(--blue);color:var(--chalk)}
.btn--blue:hover{background:var(--ink);border-color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--paper)}
.btn--chalk{background:var(--chalk);border-color:var(--chalk);color:var(--blue-deep)}
.btn--chalk:hover{background:var(--ink);border-color:var(--ink);color:var(--chalk)}
.btn--line-chalk{border-color:var(--chalk);color:var(--chalk)}
.btn--line-chalk:hover{background:var(--chalk);color:var(--blue-deep)}

/* hand-drawn underline: used on a few key words */
.hl{background:no-repeat 0 100%/100% .3em url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 14' preserveAspectRatio='none'%3E%3Cpath d='M2 8C40 3 78 11 118 6s60 3 80 0' fill='none' stroke='%232b5cff' stroke-width='6' stroke-linecap='round'/%3E%3C/svg%3E");padding-bottom:.06em}

/* ---------- Header ---------- */
.site-head{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--rule)}
.site-head__in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--hh);max-width:calc(var(--max) + var(--gutter) * 2);margin-inline:auto;padding-inline:var(--gutter)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{height:34px;width:auto}
.brand__txt{font:500 10.5px/1.25 var(--f-mono);text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft);padding-left:14px;border-left:1.5px solid var(--ink)}
.nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,38px)}
.nav a:not(.btn){font:500 12.5px var(--f-mono);text-transform:uppercase;letter-spacing:.1em;text-decoration:none;padding:6px 0;background:linear-gradient(var(--blue),var(--blue)) no-repeat 0 100%/0 2px;transition:background-size .22s}
.nav a:not(.btn):hover{background-size:100% 2px}
.menu-btn{display:none;width:46px;height:46px;border:2px solid var(--ink);background:transparent;cursor:pointer;position:relative}
.menu-btn__bars{position:absolute;left:11px;right:11px;top:50%;height:2px;margin-top:-1px;background:var(--ink);transition:background-color .15s}
.menu-btn__bars::before,.menu-btn__bars::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--ink);transition:top .2s,transform .2s}
.menu-btn__bars::before{top:-7px}
.menu-btn__bars::after{top:7px}
.menu-btn[aria-expanded="true"] .menu-btn__bars{background:transparent}
.menu-btn[aria-expanded="true"] .menu-btn__bars::before{top:0;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-btn__bars::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;min-height:min(920px,calc(100svh - var(--hh)));padding-block:clamp(28px,5vh,64px) clamp(40px,7vh,84px);
  background-image:linear-gradient(rgba(20,25,34,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,25,34,.05) 1px,transparent 1px);background-size:56px 56px;background-position:-1px -1px}
.hero__copy{padding-left:max(var(--gutter),calc((100vw - var(--max)) / 2 + var(--gutter)));padding-right:clamp(16px,2.6vw,44px)}
.eyebrow{display:flex;align-items:center;gap:10px;font:500 12px/1.3 var(--f-mono);text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft)}
.lvl{width:11px;height:10px;background:var(--blue);clip-path:polygon(0 0,100% 0,50% 100%);flex:none}
.hero h1{margin:clamp(18px,3vh,32px) 0 clamp(20px,3.4vh,34px);font:800 clamp(5.2rem,11.4vw,11.4rem)/.85 var(--f-display);letter-spacing:-.012em;text-transform:none}
.hero h1 .l{display:block}
.hero h1 .l--mark{position:relative;display:inline-block;isolation:isolate}
.swash{position:absolute;left:-2%;bottom:-.17em;width:104%;height:.3em;z-index:-1;overflow:visible}
.js .swash path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw .9s .35s cubic-bezier(.55,.1,.25,1) forwards}
.js .swash__b{animation-delay:.75s;animation-duration:.6s}
@keyframes draw{to{stroke-dashoffset:0}}
.hero__lede{max-width:34ch;font-size:clamp(1.0625rem,1.35vw,1.25rem);line-height:1.5;color:var(--ink)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(22px,3.4vh,34px)}
.hero__scope{margin-top:clamp(24px,4vh,40px);padding-top:14px;border-top:1px solid var(--rule);font:400 11.5px/1.7 var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);max-width:44ch}

/* the plate: drone photo framed like a drawing, with grid references */
.plate{display:grid;grid-template-columns:22px minmax(0,1fr);grid-template-rows:22px auto auto;width:100%;max-width:1260px}
.ruler{display:grid;font:500 10.5px/1 var(--f-mono);color:var(--ink)}
.ruler--x{grid-column:2;grid-row:1;grid-template-columns:repeat(6,1fr);border-bottom:1px solid var(--ink)}
.ruler--y{grid-column:1;grid-row:2;grid-template-rows:repeat(4,1fr);border-right:1px solid var(--ink)}
.ruler--x span{border-left:1px solid var(--ink);padding:3px 0 0 5px;height:100%}
.ruler--y span{border-top:1px solid var(--ink);padding:4px 0 0 3px}
.ruler--x span:first-child,.ruler--y span:first-child{border-color:transparent}
.plate__img{grid-column:2;grid-row:2;position:relative;aspect-ratio:4/3;background:#30352b}
.plate__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.plate__cap{grid-column:2;grid-row:3;flex-wrap:wrap;align-items:baseline;padding-right:var(--gutter)}

/* ---------- Ground-section dividers ---------- */
.strata{position:relative;height:40px;border-top:1.5px solid var(--ink);background-color:var(--paper);background-repeat:repeat;background-position:0 0}
.strata__tag{position:absolute;left:max(var(--gutter),calc((100vw - var(--max)) / 2 + var(--gutter)));top:0;transform:translateY(-50%);display:inline-flex;align-items:center;gap:8px;background:var(--paper);padding:0 10px;font:500 11px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.1em}
.strata__tag::before{content:"";width:11px;height:10px;background:var(--ink);clip-path:polygon(0 0,100% 0,50% 100%)}
.strata--earth{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath d='M-3 3L3-3M0 12L12 0M9 15L15 9' stroke='%23141922' stroke-opacity='.55' stroke-width='1'/%3E%3C/svg%3E")}
.strata--concrete{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='34' height='26'%3E%3Cg fill='%23141922' fill-opacity='.6'%3E%3Ccircle cx='5' cy='6' r='1'/%3E%3Ccircle cx='22' cy='4' r='.8'/%3E%3Ccircle cx='28' cy='17' r='1.1'/%3E%3Ccircle cx='11' cy='20' r='.8'/%3E%3C/g%3E%3Cpath d='M14 9l3.5-2 .8 3.8zM1 15l3-1.8.6 3.4z' fill='none' stroke='%23141922' stroke-opacity='.6' stroke-width='.9'/%3E%3C/svg%3E")}
.strata--hardcore{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='38' height='24'%3E%3Cpath d='M3 18L9 6l7 13zM22 15l5-10 6 11z' fill='none' stroke='%23141922' stroke-opacity='.6' stroke-width='1' stroke-linejoin='round'/%3E%3C/svg%3E")}
.strata--hardcore{background-color:var(--paper-lo)}

/* ---------- Sheet header (small label row at the top of each section) ---------- */
.sheet-head{display:flex;align-items:center;gap:14px;margin-bottom:clamp(30px,4.4vw,64px);padding-top:12px;border-top:1.5px solid var(--ink);font:500 12px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.12em}
.sheet-head__no{color:var(--blue)}
.sheet-head__lvl{margin-left:auto;display:inline-flex;align-items:center;gap:9px}
.sheet-head__lvl i{width:11px;height:10px;background:currentColor;clip-path:polygon(0 0,100% 0,50% 100%)}
.sheet-head--chalk{border-top-color:rgba(241,236,224,.55)}
.sheet-head--chalk .sheet-head__no{color:#9db8ff}

/* ---------- Intro ---------- */
.intro{padding-block:clamp(64px,9vw,140px) clamp(56px,8vw,120px)}
.intro__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap);align-items:end}
.intro__statement{grid-column:1/10;font:700 clamp(2.9rem,6.3vw,6.6rem)/.93 var(--f-display);letter-spacing:-.005em}
.intro__fig{grid-column:10/13;padding-bottom:6px}
.intro__fig img{width:100%;aspect-ratio:3/4;object-fit:cover}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(52px,7vw,104px);border-top:1.5px solid var(--ink)}
.trio>div{padding:20px var(--gap) 0 0}
.trio>div+div{padding-left:var(--gap);border-left:1px solid var(--rule)}
.trio dt{font:800 clamp(1.9rem,2.8vw,2.7rem)/.95 var(--f-display);color:var(--blue)}
.trio dd{margin-top:10px;max-width:30ch;color:var(--ink-soft)}

/* ---------- Order of work ---------- */
.order{padding-block:clamp(24px,3vw,40px) clamp(72px,10vw,150px)}
.order__intro{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap);align-items:end}
.order__title{grid-column:1/9;font:800 clamp(3.6rem,9vw,9rem)/.84 var(--f-display);letter-spacing:-.01em}
.order__lede{grid-column:9/13;max-width:30ch;color:var(--ink-soft);padding-bottom:.6em}
.steps{display:grid;gap:clamp(88px,11vw,170px);margin-top:clamp(64px,8vw,120px)}
.step{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap);row-gap:clamp(28px,3vw,48px);align-items:start}
.step img{width:100%;height:auto;aspect-ratio:var(--ar,3/4);object-fit:cover;background:var(--paper-lo)}
.step__no{display:block;margin-bottom:.12em;font:800 clamp(6rem,11.5vw,11.5rem)/.76 var(--f-stencil);letter-spacing:-.01em;color:var(--blue)}
.step h3{font:800 clamp(2.6rem,4.6vw,4.6rem)/.9 var(--f-display)}
.step__text p{margin-top:14px;max-width:30ch;font-size:1.125rem}
.tags{display:flex;flex-wrap:wrap;gap:4px 0;margin-top:20px;font:500 11.5px/1.4 var(--f-mono);text-transform:uppercase;letter-spacing:.09em;color:var(--ink-soft)}
.tags li+li::before{content:"/";margin:0 .7em;color:var(--blue)}

/* 01 dig */
.step--dig .step__fig{grid-column:1/6}
.step--dig img{--ar:4/5.2}
.step--dig .step__text{grid-column:7/13;align-self:end;padding-bottom:6px}
/* 02 foundations */
.step--found .step__text{grid-column:1/5;grid-row:1}
.step--found .step__fig--a{grid-column:5/9;grid-row:1;margin-top:clamp(40px,7vw,110px)}
.step--found .step__fig--b{grid-column:9/13;grid-row:1}
/* 03 floors: full-bleed photo, text card and detail laid over its lower edge */
.step--floor{row-gap:0}
.step__wide{grid-column:1/-1;grid-row:1;margin-inline:calc(50% - 50vw)}
.step__wide img{aspect-ratio:21/9;max-height:660px;object-position:50% 38%}
.step__wide figcaption{padding-inline:max(var(--gutter),calc((100vw - var(--max)) / 2 + var(--gutter)))}
.step--floor .step__text{grid-column:1/6;grid-row:2;position:relative;z-index:2;margin-top:calc(-1 * clamp(70px,9vw,130px));margin-top:calc(-1 * clamp(70px,9vw,130px) - 44px);background:var(--paper-hi);border:1.5px solid var(--ink);padding:clamp(20px,2.6vw,36px)}
.step--floor .step__no{font-size:clamp(5rem,8vw,8rem)}
.step--floor .step__fig--detail{grid-column:9/13;grid-row:2;position:relative;z-index:2;margin-top:calc(-1 * clamp(110px,13vw,200px) - 44px)}
.step--floor .step__fig--detail img{--ar:4/5}
/* 04 drainage */
.step--drain .step__text{grid-column:1/5}
.step--drain .step__fig--tall{grid-column:5/9;margin-top:clamp(0px,4vw,60px)}
.step--drain .step__pair{grid-column:9/13;display:grid;gap:clamp(28px,3vw,44px)}
.step--drain .step__pair img{--ar:4/3}
/* 05 hardstanding */
.step--hard .step__text{grid-column:1/6;grid-row:1}
.step--hard .step__fig--big{grid-column:7/13;grid-row:1/3}
.step--hard .step__fig--big img{--ar:4/5}
.step--hard .step__fig--small{grid-column:2/5;grid-row:2;align-self:end}
/* 06 finishing */
.step--finish .step__fig--kitchen{grid-column:1/7;grid-row:1/3}
.step--finish .step__text{grid-column:8/13;grid-row:1}
.step--finish .step__fig--turf{grid-column:8/13;grid-row:2;align-self:end}
.step--finish .step__fig--turf img{--ar:16/9}

/* ---------- Standards (dark) ---------- */
.standards{background-color:var(--ink);color:var(--chalk);padding-block:clamp(64px,9vw,140px);
  background-image:linear-gradient(rgba(241,236,224,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(241,236,224,.045) 1px,transparent 1px);background-size:56px 56px}
.standards .sheet-head{border-top-color:rgba(241,236,224,.55)}
.standards .sheet-head__no{color:#9db8ff}
.standards figcaption{color:rgba(241,236,224,.72)}
.standards .fig::before{color:#9db8ff}
.standards__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap);align-items:start}
.standards__copy{grid-column:1/7}
.standards h2{font:800 clamp(3.6rem,8vw,8rem)/.84 var(--f-display);letter-spacing:-.01em}
.std{display:grid;grid-template-columns:minmax(120px,160px) 1fr;gap:var(--gap);margin-top:clamp(28px,3.4vw,44px);padding-top:18px;border-top:1px solid rgba(241,236,224,.28)}
.std:first-of-type{margin-top:clamp(40px,5vw,72px)}
.std h3{font:500 12px/1.5 var(--f-mono);text-transform:uppercase;letter-spacing:.12em;color:#9db8ff;padding-top:.25em}
.std p{max-width:44ch;color:rgba(241,236,224,.88)}
.standards__fig img{width:100%;aspect-ratio:3/4;object-fit:cover}
.standards__fig--a{grid-column:8/11}
.standards__fig--b{grid-column:11/13;margin-top:clamp(70px,9vw,140px)}

/* ---------- Review ---------- */
.review{background:var(--paper-lo);padding-block:clamp(56px,8vw,120px)}
.review .sheet-head{margin-bottom:clamp(30px,4vw,56px)}
.review__q blockquote p{font:700 clamp(2.5rem,6.1vw,6.2rem)/.94 var(--f-display);letter-spacing:-.005em;max-width:21ch;text-indent:-.42em}
.review__q .q{color:var(--blue);font-family:var(--f-stencil);font-weight:800}
.review__q figcaption{flex-wrap:wrap;align-items:center;gap:6px 18px;margin-top:clamp(24px,3vw,40px);font-size:12px;color:var(--ink)}
.who{font:800 1.9rem/1 var(--f-display);letter-spacing:.01em;text-transform:none}
.link{display:inline-flex;align-items:center;gap:.5em;color:var(--blue);text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px}
.link svg{width:1.3em;height:1.3em}
.link:hover{color:var(--ink)}
.review__full{margin-top:clamp(28px,3.4vw,44px);max-width:760px}
.review__full summary{display:inline-flex;align-items:center;gap:12px;cursor:pointer;list-style:none;font:500 12px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.12em;padding:12px 0;border-top:1px solid var(--ink);width:100%}
.review__full summary::-webkit-details-marker{display:none}
.review__full summary::after{content:"+";margin-left:auto;font:400 20px/1 var(--f-mono)}
.review__full[open] summary::after{content:"–"}
.review__text{padding:6px 0 4px;border-top:1px solid var(--rule)}
.review__text p{padding-top:16px;color:var(--ink-soft);font-style:italic}

/* ---------- Contact ---------- */
.contact{position:relative;isolation:isolate;overflow:hidden;background:var(--blue);color:var(--chalk);padding-block:clamp(60px,8vw,128px)}
/* the same plot from above, toned to survey blue and fading in from the right */
.contact::before{content:"";position:absolute;z-index:-1;top:0;right:0;bottom:0;width:62%;background:url("../img/plan-foundations-m.jpg") 60% 50%/cover no-repeat;filter:grayscale(1) contrast(1.15);mix-blend-mode:luminosity;opacity:.32;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 55%);mask-image:linear-gradient(90deg,transparent,#000 55%)}
.contact__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap);row-gap:clamp(36px,5vw,64px);align-items:start}
.contact__copy{grid-column:1/7}
.contact h2{font:800 clamp(3.6rem,8vw,8rem)/.84 var(--f-display);letter-spacing:-.01em}
.contact__lede{margin-top:clamp(18px,2vw,28px);max-width:36ch;font-size:1.1875rem;color:rgba(241,236,224,.92)}
.contact__tel{display:block;width:max-content;margin-top:clamp(28px,4vw,52px);font:800 clamp(4.6rem,9.6vw,9.6rem)/.8 var(--f-display);letter-spacing:-.005em;text-decoration:none;color:var(--chalk);background:linear-gradient(var(--spray),var(--spray)) no-repeat 0 100%/0 .08em;transition:background-size .3s;padding-bottom:.06em}
.contact__tel:hover{background-size:100% .08em}
.contact__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(24px,3vw,36px)}

/* enquiry form laid out as a drawing title block */
.tblock{grid-column:7/13;background:var(--paper-hi);color:var(--ink);border:2px solid var(--ink);box-shadow:10px 10px 0 rgba(10,18,50,.35)}
.tblock__row--2{display:grid;grid-template-columns:1fr 1fr}
.tblock__row--2 .cell+.cell{border-left:1.5px solid var(--ink)}
.cell{display:block;margin:0;min-width:0;padding:14px 18px 16px;border:0;border-bottom:1.5px solid var(--ink);transition:background-color .15s}
.cell:focus-within{background:rgba(30,67,158,.07)}
.cell__l{display:block;padding:0;margin-bottom:6px;font:500 11px/1.2 var(--f-mono);text-transform:uppercase;letter-spacing:.12em;color:var(--blue)}
.cell input[type=text],.cell textarea{display:block;width:100%;padding:6px 0;border:0;border-bottom:1px dashed var(--rule);background:transparent;border-radius:0;font:500 1.0625rem/1.4 var(--f-text);outline:none}
.cell textarea{resize:vertical;min-height:84px}
.cell ::placeholder{color:rgba(20,25,34,.42)}
.cell input[type=text]:focus,.cell textarea:focus{border-bottom:1px solid var(--blue)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.chips span{display:block;padding:.55em .85em;border:1.5px solid var(--ink);font:600 .9375rem/1.2 var(--f-text);transition:background-color .15s,color .15s}
.chips input:checked+span{background:var(--ink);color:var(--paper-hi)}
.chips input:checked+span::before{content:"✓ "}
.chips input:focus-visible+span{outline:3px solid var(--spray);outline-offset:2px}
.tblock__send{padding:18px}
.tblock__note{margin-top:12px;font:400 11.5px/1.5 var(--f-mono);letter-spacing:.04em;color:var(--ink-soft)}
.tblock__foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink)}
.tblock__foot>div{padding:9px 18px 10px}
.tblock__foot>div+div{border-left:1.5px solid var(--ink)}
.tblock__foot dt{font:500 10px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--blue)}
.tblock__foot dd{margin-top:5px;font:500 13px/1 var(--f-mono);letter-spacing:.06em}

/* ---------- Footer ---------- */
.foot{background:var(--ink);color:var(--chalk);padding-top:clamp(52px,7vw,96px);padding-bottom:max(28px,env(safe-area-inset-bottom))}
.foot__grid{display:grid;grid-template-columns:minmax(200px,3fr) repeat(3,minmax(0,2fr));gap:var(--gap);align-items:start}
.foot__logo{width:min(250px,100%);height:auto}
.foot__col h2{margin-bottom:14px;font:500 11px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.14em;color:#9db8ff}
.foot__col a,.foot__col p{display:block;width:max-content;max-width:100%;padding:3px 0;color:var(--chalk);text-decoration:none;font-size:1.0625rem}
.foot__col a{background:linear-gradient(var(--spray),var(--spray)) no-repeat 0 100%/0 2px;transition:background-size .2s}
.foot__col a:hover{background-size:100% 2px}
.foot__fine{margin-top:clamp(44px,6vw,80px);padding-top:18px;padding-bottom:6px;border-top:1px solid rgba(241,236,224,.22);font:400 11px/1.6 var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:rgba(241,236,224,.62)}

/* mobile quick-contact dock */
.dock{display:none}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width:960px){
  :root{--hh:62px}
  .brand__txt{display:none}
  .menu-btn{display:block}
  .nav{position:fixed;left:0;right:0;top:var(--hh);display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 28px;background:var(--paper);border-bottom:1.5px solid var(--ink);max-height:calc(100svh - var(--hh));overflow:auto}
  .nav.is-open{display:flex}
  .nav a:not(.btn){font:800 2.4rem/1 var(--f-display);text-transform:none;letter-spacing:0;padding:16px 0;border-bottom:1px solid var(--rule);background:none}
  .nav__cta{margin-top:20px;padding:1em 1.2em;font-size:1.0625rem}

  .hero{grid-template-columns:1fr;min-height:0;padding-top:28px;padding-bottom:30px}
  .hero__copy{padding-inline:var(--gutter)}
  .hero h1{font-size:clamp(5.2rem,24vw,10.5rem)}
  .hero__lede{max-width:40ch}
  .hero__scope{max-width:none}
  .plate{margin-top:clamp(32px,6vw,56px);grid-template-columns:18px minmax(0,1fr)}
  .plate__cap{padding-inline:var(--gutter) 0;margin-left:-18px}

  .intro__statement{grid-column:1/-1}
  .intro__fig{grid-column:8/13;margin-top:36px}
  .trio{grid-template-columns:1fr}
  .trio>div,.trio>div+div{padding:18px 0 22px;border-left:0}
  .trio>div+div{border-top:1px solid var(--rule)}

  .order__title{grid-column:1/-1}
  .order__lede{grid-column:1/-1;margin-top:22px}

  .step{grid-template-columns:repeat(6,minmax(0,1fr))}
  .step>*{grid-column:1/-1!important;grid-row:auto!important;margin-top:0!important;align-self:start!important}
  .step--dig .step__text{order:2}
  .step--found .step__fig--b,.step--found .step__fig--a{grid-column:span 3!important}
  .step--found .step__fig--b{grid-column:4/7!important}
  .step--found .step__fig--a{grid-column:1/4!important}
  .step--found .step__text{order:0}
  .step--floor .step__text{margin-top:-64px!important;width:min(100%,520px)}
  .step--floor .step__fig--detail{grid-column:3/7!important;margin-top:36px!important}
  .step--hard .step__fig--small{grid-column:1/4!important}
  .step--drain .step__pair{grid-template-columns:1fr 1fr;gap:var(--gap)}
  .step--drain .step__pair img{--ar:3/4}
  .step--finish .step__text{order:2}
  .step--finish .step__fig--turf{order:3}
  .step--dig img{--ar:4/4.6}
  .step--hard .step__fig--big img{--ar:4/4.8}

  .standards__copy{grid-column:1/-1}
  .standards__fig--a{grid-column:1/7;margin-top:44px}
  .standards__fig--b{grid-column:7/13;margin-top:88px}
  .std{grid-template-columns:1fr;gap:6px}

  .contact__copy{grid-column:1/-1}
  .tblock{grid-column:1/-1}
  .tblock{box-shadow:7px 7px 0 rgba(10,18,50,.35)}

  .foot__grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .foot__logo{grid-column:1/-1;width:210px}

  /* quick-contact dock */
  .dock{position:fixed;z-index:90;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--ink);background:var(--paper);transform:translateY(105%);transition:transform .28s ease;padding-bottom:env(safe-area-inset-bottom)}
  .dock.is-visible{transform:none}
  .dock a{display:flex;align-items:center;justify-content:center;gap:.6em;padding:16px 10px;font:600 1rem/1 var(--f-text);text-decoration:none}
  .dock a+a{background:var(--blue);color:var(--chalk)}
  .dock svg{width:1.3em;height:1.3em}
  .foot{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
}

@media (max-width:620px){
  .hero__cta .btn{flex:1 1 100%}
  .tblock__row--2{grid-template-columns:1fr}
  .tblock__row--2 .cell+.cell{border-left:0;border-top:1.5px solid var(--ink)}
  .tblock__row--2 .cell{border-bottom:0}
  .tblock__row--2 .cell+.cell{border-bottom:1.5px solid var(--ink)}
  .intro__fig{grid-column:5/13}
  .step--found .step__fig--a{margin-top:0}
  .step--floor .step__fig--detail{grid-column:2/7!important}
  .step--hard .step__fig--small{grid-column:1/5!important}
  .standards__fig--a{grid-column:1/8}
  .standards__fig--b{grid-column:8/13;margin-top:72px}
  .review__q blockquote p{max-width:none}
  .contact__btns .btn{flex:1 1 140px}
  .foot__grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .swash path{animation:none;stroke-dashoffset:0}
  *{transition-duration:.01ms!important}
}