/* Robertson Heating Engineering — "Hearth" theme
   Palette: cream / forest green / brass. Typography: Fraunces + Inter.
   Photo-free build. */

:root{
  --cream:#FBF6EC; --cream-2:#F4ECDD; --paper:#FFFDF8;
  --green:#26402F; --green-2:#31513C; --green-ink:#1B2E21;
  --brass:#B4864C; --brass-2:#9C6F39; --brass-soft:#E7D5B4;
  --ink:#2A2620; --muted:#6E655A; --line:#E4D9C4;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.serif{font-family:'Fraunces',Georgia,serif;font-weight:500;line-height:1.12;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--brass-2)}
.stars{color:var(--brass);letter-spacing:2px}
.center{text-align:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Inter';font-weight:500;font-size:15px;padding:14px 24px;border-radius:2px;transition:.2s;cursor:pointer;border:1px solid transparent;line-height:1.2}
.btn-primary{background:var(--green);color:#F6EFE1}
.btn-primary:hover{background:var(--green-ink)}
.btn-brass{background:var(--brass);color:var(--green-ink)}
.btn-brass:hover{background:var(--brass-2);color:#fff}
.btn-ghost{border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#F6EFE1}
.btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* Header / nav */
header{position:sticky;top:0;z-index:50;background:rgba(251,246,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.brand{display:flex;align-items:center;gap:13px}
.crest{width:46px;height:46px;border-radius:50%;border:1.5px solid var(--brass);color:var(--green);display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;font-size:18px;letter-spacing:.02em;flex-shrink:0}
.brand b{font-family:'Fraunces',serif;font-weight:600;font-size:19px;color:var(--green-ink);display:block;letter-spacing:-.01em;line-height:1}
.brand span{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass-2);font-weight:600}
nav.links{display:flex;gap:30px}
nav.links a{font-size:14.5px;font-weight:500;color:var(--ink);position:relative;padding:4px 0}
nav.links a:hover,nav.links a.active{color:var(--brass-2)}
nav.links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:var(--brass)}
.nav-right{display:flex;align-items:center;gap:20px}
.phone{font-family:'Fraunces',serif;font-weight:500;font-size:17px;color:var(--green-ink);white-space:nowrap}
.phone small{display:block;font-family:'Inter';font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:3px;padding:8px;cursor:pointer;color:var(--green-ink)}
.menu-btn svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}
@media(max-width:940px){
  nav.links{position:absolute;top:78px;left:0;right:0;background:var(--cream);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 0;display:none;box-shadow:0 20px 40px rgba(0,0,0,.08)}
  nav.links.open{display:flex}
  nav.links a{padding:13px 32px}
  .phone{display:none}
  .menu-btn{display:inline-flex}
}

/* Sections */
section{padding:88px 0}
.sec-head{max-width:660px}
.sec-head.center{margin:0 auto}
.sec-head h2{font-size:clamp(30px,3.6vw,44px);color:var(--green-ink);margin:14px 0 18px}
.sec-head p{font-size:17px;color:var(--muted)}

/* Page header (interior pages) */
.page-head{background:var(--green);color:#EFE6D3;padding:70px 0}
.page-head .eyebrow{color:var(--brass-soft)}
.page-head h1{font-size:clamp(38px,5vw,60px);color:#FBF6EC;margin:16px 0 14px}
.page-head p{font-size:18px;color:#CBBFA6;max-width:620px}
.crumbs{font-size:13px;color:var(--brass-soft);margin-bottom:6px;letter-spacing:.02em}
.crumbs a:hover{color:#fff}

/* Hero (home) */
.hero{padding:74px 0 84px}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,5.4vw,66px);color:var(--green-ink);margin:22px 0 24px}
.hero h1 em{font-style:italic;color:var(--brass-2)}
.hero p.lede{font-size:19px;color:var(--muted);max-width:520px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.trust-chips{display:flex;gap:26px;flex-wrap:wrap;align-items:center;padding-top:26px;border-top:1px solid var(--line)}
.chip{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:500;color:var(--ink)}
.chip .dot{width:34px;height:34px;border-radius:50%;background:var(--cream-2);border:1px solid var(--brass-soft);display:flex;align-items:center;justify-content:center;color:var(--brass-2);flex-shrink:0}
.chip .dot svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7}

/* Emblem panel (replaces hero photo) */
.emblem{position:relative;border-radius:5px;overflow:hidden;background:linear-gradient(155deg,var(--green) 0%,var(--green-2) 60%,#38583f 100%);border:1px solid var(--green-ink);color:#F1E7D2;padding:44px 40px;min-height:460px;display:flex;flex-direction:column;justify-content:space-between}
.emblem::before{content:"";position:absolute;inset:0;opacity:.14;background-image:radial-gradient(circle at 78% 12%,#fff 0,transparent 42%),repeating-linear-gradient(115deg,transparent 0 24px,rgba(0,0,0,.14) 24px 25px)}
.emblem>*{position:relative}
.emblem-mono{width:96px;height:96px;border-radius:50%;border:2px solid var(--brass-soft);display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;font-size:40px;color:var(--brass-soft);letter-spacing:.02em}
.emblem-word{font-family:'Fraunces',serif;font-size:26px;color:#FBF6EC;margin-top:22px;line-height:1.1}
.emblem-sub{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--brass-soft);font-weight:600;margin-top:8px}
.emblem-rule{height:1px;background:rgba(231,213,180,.25);margin:26px 0}
.emblem-facts{display:grid;gap:16px}
.emblem-fact{display:flex;align-items:center;gap:13px;font-size:14.5px;color:#EFE6D3}
.emblem-fact svg{width:22px;height:22px;stroke:var(--brass-soft);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* Marquee strip */
.marquee{background:var(--green-ink);color:var(--brass-soft);padding:22px 0}
.marquee .wrap{display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap}
.marquee span{font-family:'Fraunces',serif;font-size:15px;letter-spacing:.04em;display:flex;align-items:center;gap:11px;opacity:.94}
.marquee svg{width:19px;height:19px;stroke:var(--brass);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* Story / engineers */
.story{background:var(--paper)}
.story .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story blockquote{font-family:'Fraunces',serif;font-style:italic;font-size:22px;line-height:1.4;color:var(--green-ink);border-left:2px solid var(--brass);padding-left:22px;margin:26px 0 10px}
.people{display:grid;gap:18px}
.person{display:flex;gap:20px;align-items:flex-start;background:var(--cream);border:1px solid var(--line);border-radius:5px;padding:24px}
.person .init{width:64px;height:64px;border-radius:50%;background:var(--green);color:var(--brass-soft);display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;font-size:26px;flex-shrink:0}
.person.amy .init{background:var(--brass-2);color:#FBF6EC}
.person b{font-family:'Fraunces',serif;font-size:20px;color:var(--green-ink)}
.person .role{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-2);font-weight:600;margin:3px 0 9px}
.person p{font-size:14.5px;color:var(--muted);line-height:1.6}

/* Services grid */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:5px;overflow:hidden}
.svc{background:var(--cream);padding:34px 30px;transition:.25s}
.svc:hover{background:var(--paper)}
.svc .ico{width:48px;height:48px;border-radius:50%;background:var(--cream-2);border:1px solid var(--brass-soft);color:var(--brass-2);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.svc .ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:20px;color:var(--green-ink);margin-bottom:8px}
.svc p{font-size:14px;color:var(--muted)}

/* Oil specialism */
.oil{background:var(--green);color:#EFE6D3}
.oil .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.oil .eyebrow{color:var(--brass-soft)}
.oil h2{font-size:clamp(30px,3.6vw,44px);color:#FBF6EC;margin:14px 0 18px}
.oil p{font-size:16.5px;color:#D8CDB6;margin-bottom:16px}
.oil ul{list-style:none;display:grid;gap:14px;margin-top:26px}
.oil li{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:#EFE6D3}
.oil li svg{width:22px;height:22px;stroke:var(--brass-soft);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;margin-top:1px}
.oil-panel{background:var(--green-ink);border:1px solid #3c5c46;border-radius:5px;padding:14px 36px}
.stat{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid rgba(231,213,180,.16)}
.stat:last-child{border-bottom:none}
.stat b{font-family:'Fraunces',serif;font-size:42px;color:var(--brass-soft);font-weight:500;line-height:1;min-width:120px}
.stat span{font-size:14px;color:#CBBFA6;align-self:center}

/* Areas */
.areas{background:var(--paper)}
.areas .grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.town-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.town{background:var(--cream);border:1px solid var(--line);border-radius:2px;padding:9px 15px;font-size:14px;font-weight:500;color:var(--green-ink)}
.map{border-radius:5px;border:1px solid var(--line);background:var(--cream-2);min-height:340px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.map::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,transparent 0 38px,var(--line) 38px 39px),repeating-linear-gradient(90deg,transparent 0 38px,var(--line) 38px 39px);opacity:.7}
.map .pin{position:relative;text-align:center;color:var(--green-ink)}
.map .pin svg{width:40px;height:40px;stroke:var(--brass-2);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.map .pin b{font-family:'Fraunces',serif;display:block;margin-top:6px;font-size:17px}

/* Reviews */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rev{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:30px 28px}
.rev .stars{margin-bottom:14px;font-size:15px}
.rev p{font-family:'Fraunces',serif;font-style:italic;font-size:17px;color:var(--ink);line-height:1.5;margin-bottom:18px}
.rev .who{font-size:13px;color:var(--muted);font-weight:500}
.rev .who b{color:var(--green-ink)}
.google-pill{display:inline-flex;align-items:center;gap:8px;background:var(--cream-2);border:1px solid var(--brass-soft);border-radius:30px;padding:9px 17px;font-size:13.5px;font-weight:600;color:var(--green-ink);margin-top:14px}

/* CTA band */
.cta{background:var(--green-ink);color:#F3E9D5;text-align:center}
.cta h2{font-size:clamp(32px,4vw,50px);color:#FBF6EC;margin-bottom:18px}
.cta p{font-size:18px;color:#CBBFA6;max-width:560px;margin:0 auto 32px}
.cta .hero-cta{justify-content:center}
.cta .btn-ghost{border-color:var(--brass-soft);color:var(--brass-soft)}
.cta .btn-ghost:hover{background:var(--brass-soft);color:var(--green-ink)}

/* Detailed services (services.html) */
.svc-block{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:34px 0;border-bottom:1px solid var(--line);align-items:start}
.svc-block:last-child{border-bottom:none}
.svc-block .ico{width:58px;height:58px;border-radius:50%;background:var(--cream-2);border:1px solid var(--brass-soft);color:var(--brass-2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.svc-block .ico svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.svc-block h3{font-size:23px;color:var(--green-ink);margin-bottom:8px}
.svc-block p{font-size:15.5px;color:var(--muted);max-width:640px}
.svc-block .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.svc-block .tags span{font-size:12.5px;color:var(--green-2);background:var(--cream-2);border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-weight:500}
.group-label{font-family:'Fraunces',serif;font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-2);font-weight:600;margin:44px 0 4px}
.group-label:first-child{margin-top:0}

/* About page */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:16px}
.value{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:28px 26px}
.value .ico{width:46px;height:46px;border-radius:50%;background:var(--cream-2);border:1px solid var(--brass-soft);color:var(--brass-2);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.value .ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.value h3{font-size:19px;color:var(--green-ink);margin-bottom:7px}
.value p{font-size:14px;color:var(--muted)}
.prose{max-width:720px}
.prose p{font-size:17px;color:var(--ink);margin-bottom:20px}
.prose p.lead{font-family:'Fraunces',serif;font-size:22px;line-height:1.4;color:var(--green-ink)}
.timeline{display:grid;gap:0;margin-top:10px;border-left:2px solid var(--brass);padding-left:28px}
.tl{padding:16px 0}
.tl b{font-family:'Fraunces',serif;font-size:19px;color:var(--green-ink);display:block}
.tl .yr{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-2);font-weight:700}
.tl p{font-size:14.5px;color:var(--muted);margin-top:4px}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-cards{display:grid;gap:16px}
.ccard{display:flex;gap:18px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:24px}
.ccard .ico{width:48px;height:48px;border-radius:50%;background:var(--cream-2);border:1px solid var(--brass-soft);color:var(--brass-2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ccard .ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ccard .lbl{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-2);font-weight:600;margin-bottom:4px}
.ccard b{font-family:'Fraunces',serif;font-size:20px;color:var(--green-ink);font-weight:500}
.ccard b a:hover{color:var(--brass-2)}
.ccard p{font-size:14px;color:var(--muted)}
.form{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:34px}
.form h3{font-size:22px;color:var(--green-ink);margin-bottom:6px}
.form .sub{font-size:14.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--green-ink);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:'Inter';font-size:15px;color:var(--ink);background:var(--cream);border:1px solid var(--line);border-radius:3px;padding:13px 15px;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px rgba(180,134,76,.15)}
.field textarea{min-height:130px;resize:vertical}
.field.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .btn{width:100%;justify-content:center;font-size:16px;padding:16px}
.hp{position:absolute;left:-9999px}
.form small.note{display:block;font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center}

/* Thank-you */
.ty{text-align:center;max-width:560px;margin:0 auto;padding:90px 0}
.ty .mark{width:80px;height:80px;border-radius:50%;background:var(--green);color:var(--brass-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 26px}
.ty .mark svg{width:38px;height:38px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ty h1{font-size:clamp(32px,4vw,46px);color:var(--green-ink);margin-bottom:16px}
.ty p{font-size:18px;color:var(--muted);margin-bottom:28px}

/* Footer */
footer{background:var(--green);color:#CBBFA6;padding:60px 0 34px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(231,213,180,.16)}
footer h4{font-family:'Inter';font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:16px;font-weight:600}
footer a{display:block;padding:5px 0;color:#CBBFA6}
footer a:hover{color:#FBF6EC}
.foot-brand .brand{margin-bottom:14px}
.foot-brand .brand b,.foot-brand .brand span{color:#FBF6EC}
.foot-brand .crest{border-color:var(--brass-soft);color:var(--brass-soft)}
.foot-brand p{max-width:280px;color:#B4A788}
.foot-reg{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.foot-reg span{border:1px solid rgba(231,213,180,.3);border-radius:2px;padding:6px 11px;font-size:11px;letter-spacing:.08em;color:var(--brass-soft)}
.copy{padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#988c70}

@media(max-width:940px){
  .hero .grid,.story .grid,.oil .grid,.areas .grid,.contact-grid,.foot-grid{grid-template-columns:1fr}
  .svc-grid,.rev-grid,.values{grid-template-columns:1fr}
  section{padding:64px 0}
  .field.row{grid-template-columns:1fr}
}
@media(min-width:941px) and (max-width:1040px){
  .svc-grid{grid-template-columns:1fr 1fr}
  .rev-grid,.values{grid-template-columns:1fr}
}