:root{
  --ink:#14161b;
  --ink-2:#2a2d35;
  --cream:#f3f1ec;
  --cream2:#efece5;
  --surface:#faf8f4;
  --line:#d9d4c9;
  --muted:#6c6a64;
  --accent:#a8511f;      /* burnt copper / terracotta */
  --accent-dark:#833f17;
  --steel:#33485f;       /* slate blue — trust / roofing */
  --teal:#2f6f6b;
  --serif:"Bricolage Grotesque","Inter",system-ui,sans-serif;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--cream);line-height:1.6;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.3rem}
h1,h2,h3{font-family:var(--serif);line-height:1.1;font-weight:700;letter-spacing:-.01em}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-dark);font-weight:600;margin-bottom:.5rem}
.sec{padding:4rem 0;border-top:1px solid var(--line)}
.sec.alt{background:var(--surface)}
.sec-head{max-width:760px;margin-bottom:2.2rem}
.sec-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:.5rem}
.sec-head p{color:var(--muted)}
.btn{display:inline-block;padding:.72rem 1.3rem;border-radius:8px;font-weight:600;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;font-family:var(--sans);transition:.15s;text-align:center}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);text-decoration:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--cream);text-decoration:none}
.btn-lg{padding:.9rem 1.7rem;font-size:1.02rem}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(243,241,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{display:flex;align-items:center;gap:.55rem;font-family:var(--serif);font-weight:700;font-size:1.05rem;color:var(--ink)}
.brand svg{width:26px;height:26px;color:var(--accent);flex:none}
.nav-links{display:flex;gap:1.3rem;align-items:center}
.nav-links a{color:var(--ink-2);font-size:.92rem;font-weight:500}
.nav-cta{display:flex;gap:.6rem;align-items:center}
.nav-cta .btn{padding:.5rem 1rem;font-size:.88rem}
@media(max-width:860px){.nav-links{display:none}}

/* hero */
.hero{background:linear-gradient(180deg,var(--cream) 0%,var(--cream2) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:2.4rem;align-items:center;padding:3.2rem 1.3rem 3.4rem}
.hero h1{font-size:clamp(2.1rem,5vw,3.3rem);margin-bottom:1rem}
.hero p.lead{font-size:1.12rem;color:var(--muted);max-width:54ch;margin-bottom:1.4rem}
.hero .badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.hero .badges span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.35rem .8rem;font-size:.8rem;color:var(--ink-2);font-weight:500}
.hero .hero-img{border-radius:16px;overflow:hidden;box-shadow:0 30px 60px -28px rgba(20,22,27,.5);aspect-ratio:16/10}
.hero .hero-img img{width:100%;height:100%;object-fit:cover}
.hero .quick{display:flex;gap:1.4rem;margin-top:1.2rem;font-size:.86rem;color:var(--muted)}
.hero .quick b{color:var(--ink);display:block;font-size:1.3rem;font-family:var(--serif)}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero .hero-img{order:-1;aspect-ratio:16/10}}

/* form card */
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.4rem;box-shadow:0 20px 50px -30px rgba(20,22,27,.4)}
.form-card h2{font-size:1.3rem;margin-bottom:.2rem}
.form-card p.sub{color:var(--muted);font-size:.88rem;margin-bottom:1rem}
.fg{margin-bottom:.8rem}
.fg label{display:block;font-size:.82rem;font-weight:600;margin-bottom:.3rem;color:var(--ink-2)}
.fg input,.fg select,.fg textarea{width:100%;padding:.62rem .7rem;border:1.5px solid var(--line);border-radius:8px;font-family:var(--sans);font-size:.95rem;background:var(--surface);color:var(--ink)}
.fg input:focus,.fg select:focus,.fg textarea:focus{outline:none;border-color:var(--accent)}
.fg.row{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.form-card .btn{width:100%;margin-top:.2rem}
.form-note{font-size:.76rem;color:var(--muted);margin-top:.7rem;text-align:center}
.thankyou{display:none;text-align:center;padding:1.2rem 0}
.thankyou h3{font-size:1.3rem;margin-bottom:.4rem;color:var(--steel)}
.thankyou p{color:var(--muted);font-size:.92rem}
@media(max-width:860px){.fg.row{grid-template-columns:1fr}}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.4rem}
.card .ic{width:34px;height:34px;color:var(--accent);margin-bottom:.6rem}
.card h3{font-size:1.15rem;margin-bottom:.3rem}
.card p{color:var(--muted);font-size:.9rem}
@media(max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

/* material grid */
.mat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.mat{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.mat img{height:180px;width:100%;object-fit:cover}
.mat .b{padding:1.1rem 1.1rem 1.2rem}
.mat .tag{display:inline-block;font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-dark);background:rgba(168,81,31,.1);padding:.22rem .55rem;border-radius:999px;margin-bottom:.5rem}
.mat h3{font-size:1.18rem;margin-bottom:.3rem}
.mat p.d{color:var(--muted);font-size:.88rem;margin-bottom:.6rem}
.mat ul{list-style:none}
.mat li{font-size:.85rem;padding:.2rem 0 .2rem 1.2rem;position:relative}
.mat li:before{content:"";position:absolute;left:0;top:.66rem;width:5px;height:5px;border-radius:50%;background:var(--steel)}
.mat li b{color:var(--ink)}
@media(max-width:860px){.mat-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}}

/* visualizer (svg house) */
.viz{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}
.viz-house{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.2rem;box-shadow:0 20px 50px -30px rgba(20,22,27,.4)}
.viz-house svg{width:100%;height:auto;display:block;border-radius:10px}
.viz-house .lbl{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-top:.8rem}
.viz-house .lbl b{color:var(--ink);font-family:var(--serif);font-size:.95rem}
.viz-controls h3{font-size:1.4rem;margin-bottom:.4rem}
.viz-controls p.intro{color:var(--muted);font-size:.92rem;margin-bottom:1rem}
.viz-group{margin-bottom:1.2rem}
.viz-group .gt{font-size:.8rem;font-weight:600;color:var(--ink-2);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}
.swatch{cursor:pointer;border:1.5px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;text-align:left;font-family:var(--sans);padding:0;transition:.15s}
.swatch:hover{border-color:var(--ink);transform:translateY(-2px)}
.swatch.active{border-color:var(--accent);box-shadow:0 0 0 2px rgba(168,81,31,.25)}
.swatch .dot{height:38px;width:100%}
.swatch .lb{padding:.3rem .35rem}
.swatch .lb b{display:block;font-size:.68rem;font-weight:600;line-height:1.1}
.swatch .lb span{font-size:.62rem;color:var(--muted)}
.viz-src{font-size:.74rem;color:var(--muted);margin-top:.4rem;line-height:1.5}
.viz-src a{color:var(--accent-dark);text-decoration:underline}
@media(max-width:860px){.viz{grid-template-columns:1fr}.swatches{grid-template-columns:repeat(4,1fr)}}
@media(max-width:480px){.swatches{grid-template-columns:repeat(3,1fr)}}

/* style trends (exterior) */
.style-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.style{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.3rem}
.style .num{font-family:var(--serif);font-size:1.6rem;color:var(--steel);opacity:.4;margin-bottom:.2rem}
.style h3{font-size:1.15rem;margin-bottom:.35rem}
.style p{color:var(--muted);font-size:.88rem;margin-bottom:.6rem}
.style .pal{display:flex;gap:.35rem}
.style .pal span{width:22px;height:22px;border-radius:5px;border:1px solid rgba(0,0,0,.08)}
@media(max-width:860px){.style-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}}

/* why / process */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.why{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.2rem;text-align:left}
.why .ic{width:30px;height:30px;color:var(--accent);margin-bottom:.5rem}
.why h3{font-size:1.05rem;margin-bottom:.25rem}
.why p{color:var(--muted);font-size:.86rem}
@media(max-width:980px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr}}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;counter-reset:s}
.step{position:relative;padding-left:0}
.step .n{font-family:var(--serif);font-size:2rem;color:var(--accent);line-height:1;margin-bottom:.4rem}
.step h3{font-size:1.08rem;margin-bottom:.25rem}
.step p{color:var(--muted);font-size:.86rem}
@media(max-width:860px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.gallery figure{border-radius:12px;overflow:hidden;position:relative}
.gallery img{width:100%;height:240px;object-fit:cover;transition:.3s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(20,22,27,.8));color:#fff;font-size:.82rem;padding:1.6rem .8rem .6rem}
@media(max-width:860px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gallery{grid-template-columns:1fr}}

/* case studies */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.case{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.case .ph{height:190px;width:100%;object-fit:cover}
.case .body{padding:1.2rem 1.2rem 1.3rem}
.case .tag{display:inline-block;font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-dark);background:rgba(168,81,31,.1);padding:.25rem .6rem;border-radius:999px;margin-bottom:.5rem}
.case h3{font-size:1.2rem;margin-bottom:.2rem}
.case .loc{font-size:.82rem;color:var(--muted);margin-bottom:.7rem}
.case .scope{list-style:none;margin:.5rem 0 .7rem}
.case .scope li{font-size:.85rem;padding:.18rem 0 .18rem 1.1rem;position:relative}
.case .scope li:before{content:"";position:absolute;left:0;top:.66rem;width:5px;height:5px;border-radius:50%;background:var(--steel)}
.case .foot{margin-top:auto;display:flex;gap:1.2rem;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.6rem}
.case .foot b{color:var(--ink);display:block;font-size:.82rem}
@media(max-width:860px){.case-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}}

/* service areas */
.areas-list{display:flex;flex-wrap:wrap;gap:.5rem}
.areas-list span{background:#fff;border:1px solid var(--line);border-radius:8px;padding:.45rem .85rem;font-size:.86rem;color:var(--ink-2)}

/* faq */
.faq{max-width:820px;margin:0 auto}
.faq .q{border:1px solid var(--line);border-radius:10px;margin-bottom:.7rem;background:#fff;overflow:hidden}
.faq summary{padding:1rem 1.1rem;font-weight:600;cursor:pointer;list-style:none;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--accent);font-size:1.3rem;line-height:1}
.faq .q[open] summary:after{content:"\2013"}
.faq .q p{padding:0 1.1rem 1.1rem;color:var(--muted);font-size:.94rem}

/* cta band */
.cta-band{background:var(--ink);color:var(--cream);text-align:center}
.cta-band .wrap{padding:3.4rem 1.3rem}
.cta-band h2{color:#fff;font-size:clamp(1.7rem,4vw,2.4rem);margin-bottom:.6rem}
.cta-band p{color:#c9c3b6;max-width:56ch;margin:0 auto 1.4rem}
.cta-band .btn-primary{background:var(--accent)}
.cta-band .btn-ghost{border-color:#c9c3b6;color:var(--cream)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink)}

/* sticky mobile cta */
.sticky-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:.6rem 1rem;gap:.6rem}
.sticky-cta .btn{flex:1}
@media(max-width:860px){.sticky-cta{display:flex}}
body{padding-bottom:0}
@media(max-width:860px){body{padding-bottom:64px}}

/* footer */
footer{background:var(--ink);color:#bcb6a8;padding:3rem 0 2rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
footer h4{color:#fff;font-family:var(--serif);font-size:1rem;margin-bottom:.7rem}
footer a{color:#bcb6a8}
footer a:hover{color:#fff}
footer .disc{background:rgba(255,255,255,.05);border-radius:10px;padding:.9rem 1rem;font-size:.82rem;color:#d8d2c4;margin-bottom:1.4rem}
footer .disc b{color:#fff}
footer .copy{border-top:1px solid rgba(255,255,255,.12);padding-top:1.4rem;font-size:.8rem;color:#8d887d}
@media(max-width:860px){footer .cols{grid-template-columns:1fr}}