/* Layout: construction firm site. Graphite + concrete neutrals, one safety-yellow accent, condensed industrial headings. */
:root{
  --bg:#f1efeb; --surface:#ffffff; --ink:#1d2124; --muted:#5d636a; --line:#d9d5ce;
  --dark:#1d2124; --dark-2:#272c30; --on-dark:#f1efeb; --on-dark-muted:#a7adb3;
  --accent:#f2b705; --accent-ink:#1d2124; --accent-soft:#fff4cc; --ok:#2f7d4f; --err:#b3261e;
  --display:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
.in{max-width:1160px;margin:0 auto;padding:0 18px}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1;text-wrap:balance;text-transform:uppercase}
h1{font-size:clamp(44px,7vw,80px);font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(34px,5vw,52px);font-weight:700}
h3{font-size:24px;font-weight:600;letter-spacing:.01em}
p{margin:0}
.label{font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.label.acc{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 17px var(--display);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;padding:15px 24px;border:2px solid transparent;cursor:pointer;border-radius:0}
.btn.acc{background:var(--accent);color:var(--accent-ink)}
.btn.acc:hover{background:#ffc928}
.btn.out{border-color:currentColor;background:transparent}
.btn[disabled]{opacity:.45;cursor:not-allowed}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.concept{background:var(--accent);color:var(--accent-ink);font-size:13px;text-align:center;padding:7px 16px;font-weight:600}

/* nav */
.top{background:var(--dark);color:var(--on-dark)}
.nav{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-block:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:.04em;text-transform:uppercase}
.brand .mark{width:38px;height:38px;background:var(--accent);display:grid;place-items:center}
.brand .mark svg{width:24px;height:24px}
.menu{display:flex;gap:26px;align-items:center;font-family:var(--display);font-size:17px;letter-spacing:.08em;text-transform:uppercase}
.menu a{text-decoration:none;color:var(--on-dark-muted)}
.menu a:hover{color:var(--on-dark)}
.menu .btn{color:var(--accent-ink);padding:10px 16px;font-size:15px}
@media (max-width:860px){.menu a:not(.btn){display:none}}
.brand{white-space:nowrap}
@media (max-width:520px){.brand{font-size:20px;gap:9px}.brand .mark{width:32px;height:32px}.menu .btn{padding:8px 11px;font-size:13px;letter-spacing:.05em}}

/* hero */
.hero{background:var(--dark);color:var(--on-dark);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.hero .in{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:end;padding-block:48px 0}
.hero-copy{display:flex;flex-direction:column;gap:22px;padding-bottom:56px}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.hero-copy p{color:var(--on-dark-muted);font-size:19px;max-width:52ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{align-self:end;min-width:0}
.hero-art svg{width:100%;height:auto;display:block}
@media (max-width:860px){.hero .in{grid-template-columns:1fr;gap:0}.hero-copy{padding-bottom:28px}.hero-art{max-width:460px}}
.strip{background:var(--accent);color:var(--accent-ink)}
.strip .in{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.strip div{padding:18px 14px;font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:.04em;text-transform:uppercase;border-left:2px solid rgba(29,33,36,.15)}
.strip div:first-child{border-left:0;padding-left:0}
@media (max-width:700px){.strip .in{grid-template-columns:1fr}.strip div{border-left:0;border-top:2px solid rgba(29,33,36,.15);padding-left:0}.strip div:first-child{border-top:0}}

/* sections */
section.blk{padding-block:84px}
.head{display:flex;flex-direction:column;gap:12px;margin-bottom:36px;max-width:720px}
.head p{color:var(--muted)}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);border:2px solid var(--line)}
.svc-grid article{background:var(--surface);padding:24px 22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.svc-grid .num{font-family:var(--display);font-weight:700;font-size:15px;color:var(--muted);letter-spacing:.1em}
.svc-grid p{color:var(--muted);font-size:15px;flex:1}
.svc-grid a{font-family:var(--display);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:15px;text-decoration:none;border-bottom:2px solid var(--accent);align-self:flex-start}
.svc-grid article.wide{background:var(--dark);color:var(--on-dark)}
.svc-grid article.wide p{color:var(--on-dark-muted)}
@media (max-width:980px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.svc-grid{grid-template-columns:1fr}}

.stages-wrap{background:var(--dark);color:var(--on-dark)}
.stages-wrap .head p{color:var(--on-dark-muted)}
.stages{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:st;position:relative}
.stages li{list-style:none;position:relative;padding:58px 18px 0 0;display:flex;flex-direction:column;gap:8px}
.stages li::before{counter-increment:st;content:counter(st);position:absolute;top:0;left:0;width:40px;height:40px;background:var(--accent);color:var(--accent-ink);font:700 22px var(--display);display:grid;place-items:center;z-index:1}
.stages li::after{content:"";position:absolute;top:19px;left:40px;right:0;height:2px;background:repeating-linear-gradient(90deg,var(--accent) 0 10px,transparent 10px 18px)}
.stages li:last-child::after{display:none}
.stages h3{font-size:22px}
.stages p{color:var(--on-dark-muted);font-size:15px}
.stages-note{margin-top:34px;color:var(--on-dark-muted)}
.stages-note a{color:var(--accent)}
ol.stages{margin:0;padding:0}
@media (max-width:900px){.stages{grid-template-columns:1fr;gap:26px}.stages li{padding:0 0 0 58px}.stages li::after{top:40px;left:19px;right:auto;bottom:-26px;width:2px;height:auto;background:repeating-linear-gradient(180deg,var(--accent) 0 10px,transparent 10px 18px)}}

.how{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.how div{border-top:4px solid var(--ink);padding-top:16px;display:flex;flex-direction:column;gap:8px}
.how b{font-family:var(--display);font-size:15px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.how p{color:var(--muted);font-size:15px}
@media (max-width:860px){.how{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.how{grid-template-columns:1fr}}

.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:220px;gap:10px}
.gallery div{background:repeating-linear-gradient(45deg,#e4e0d9 0 12px,#ebe8e2 12px 24px);display:grid;place-items:center;color:var(--muted);font-size:14px;text-align:center;padding:12px}
.gallery div:first-child{grid-row:span 2}
@media (max-width:700px){.gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px}.gallery div:first-child{grid-column:span 2;grid-row:auto}}

.cta-band{background:var(--accent);color:var(--accent-ink)}
.cta-band .in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-block:44px}
.cta-band .btn{background:var(--dark);color:var(--on-dark)}

.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:2px solid var(--line)}
.contact div{background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:6px;min-width:0}
.contact b{font-size:19px;overflow-wrap:anywhere}
@media (max-width:760px){.contact{grid-template-columns:1fr}}

footer{background:var(--dark);color:var(--on-dark-muted);font-size:14px}
footer .in{padding-block:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* quote page */
.q-head{padding-block:44px 34px;display:flex;flex-direction:column;gap:14px}
.q-head>*{max-width:780px}
.q-head p{color:var(--on-dark-muted);font-size:19px}
.q-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;padding-block:40px 120px}
@media (max-width:940px){.q-grid{grid-template-columns:1fr}}
.step{margin-bottom:44px;display:flex;flex-direction:column;gap:16px}
.step-t{display:flex;align-items:baseline;gap:14px}
.step-t span{font-family:var(--display);font-weight:700;font-size:20px;background:var(--dark);color:var(--accent);width:36px;height:36px;display:grid;place-items:center;flex:none}
.step-t h2{font-size:32px}
.step-t small{display:block;font-family:var(--body);text-transform:none;font-size:15px;color:var(--muted);font-weight:400;margin-top:4px}
.opts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media (max-width:620px){.opts{grid-template-columns:1fr}}
.opt{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:2px solid var(--line);padding:16px;cursor:pointer}
.opt:hover{border-color:#b9b3a9}
.opt:has(input:checked){border-color:var(--ink);box-shadow:inset 6px 0 0 var(--accent)}
.opt input{width:20px;height:20px;margin:3px 0 0;accent-color:#1d2124;flex:none}
.opt b{display:block;font-family:var(--display);font-size:21px;font-weight:600;text-transform:uppercase;letter-spacing:.02em;line-height:1.1}
.opt span{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.sub{background:var(--accent-soft);border:2px solid var(--accent);padding:16px;display:flex;flex-direction:column;gap:10px}
.sub .chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:flex;align-items:center;gap:8px;background:var(--surface);border:2px solid var(--line);padding:8px 12px;cursor:pointer;font-size:15px}
.chip:has(input:checked){border-color:var(--ink)}
.chip input{accent-color:#1d2124;margin:0}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fields .full{grid-column:1/-1}
@media (max-width:620px){.fields{grid-template-columns:1fr}}
label.f{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:15px}
label.f>span.lt{display:block}
label.f em{font-style:normal;font-weight:400;color:var(--muted)}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{font:inherit;color:var(--ink);background:var(--surface);border:2px solid var(--line);border-radius:0;padding:12px;width:100%;min-width:0}
input:focus,select:focus,textarea:focus{border-color:var(--ink);outline:none}
input[type=file]{font:inherit;font-size:15px;background:var(--surface);border:2px dashed var(--line);padding:12px;width:100%}
textarea{min-height:110px;resize:vertical}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted)}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:#1d2124;flex:none}
.req{color:var(--err)}
.sum{position:sticky;top:16px;background:var(--dark);color:var(--on-dark);padding:24px;display:flex;flex-direction:column;gap:16px}
.sum ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.sum li{border-left:4px solid var(--accent);padding-left:10px;font-size:15px}
.sum .empty{color:var(--on-dark-muted);font-size:15px}
.sum .note{color:var(--on-dark-muted);font-size:13px}
.sum .btn{width:100%}
.msg{padding:14px;font-size:15px;border:2px solid}
.msg.err{border-color:var(--err);background:#fdecea;color:var(--ink)}
.msg.ok{border-color:var(--ok);background:#e7f4ec;color:var(--ink)}
@media (max-width:940px){.sum{position:static}}
.done{background:var(--surface);border:2px solid var(--ok);padding:28px;display:flex;flex-direction:column;gap:12px}