/* A.C. Herbert Heating & Cooling Ltd: "The Business Card" */
@font-face{font-family:"Arvo";src:url(../fonts/arvo-700.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Arvo";src:url(../fonts/arvo-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Sarabun";src:url(../fonts/sarabun-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Sarabun";src:url(../fonts/sarabun-600.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  --paper:#F7F8FA; --white:#fff; --ink:#14171B; --muted:#444D5A; --blue:#1F4FA8; --flame:#C8321E; --flame-d:#A52513;
  --line:#CBD2DD; --ice:#E6F0FC; --warm:#FCEDE6; --on-ink:#C3CBD7;
  --f-head:"Arvo","Rockwell",Georgia,serif;
  --f-body:"Sarabun","Helvetica Neue",Helvetica,sans-serif;
  /* type scale 1.25 from 17px */
  --s0:1.0625rem; --s1:1.3281rem; --s2:1.6602rem; --s3:2.0752rem; --s4:2.594rem; --s5:3.2425rem;
  /* spacing, 8px based */
  --sp1:.5rem; --sp2:1rem; --sp3:1.5rem; --sp4:2rem; --sp5:3rem; --sp6:4.5rem; --sp7:6rem;
  --wrap:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:16px;scroll-padding-bottom:96px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 var(--s0)/1.55 var(--f-body);overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--blue);text-underline-offset:3px}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-80px;background:var(--ink);color:#fff;padding:12px 18px;z-index:50;border-radius:4px}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
h1,h2,h3{margin:0;font-family:var(--f-head);font-weight:700;line-height:1.12;letter-spacing:-.005em}
p{margin:0}
.eyebrow{font:600 .9rem/1.3 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:var(--sp2)}
.h2{font-size:var(--s3)}
.lede{font-size:var(--s1);line-height:1.5;max-width:30em}

/* Buttons: flame red is reserved for Call */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:5px;font:600 1.125rem/1 var(--f-body);text-decoration:none;white-space:nowrap;border:2px solid transparent;transition:transform .15s,background-color .15s,box-shadow .15s}
.btn-call{background:var(--flame);color:#fff;box-shadow:0 3px 0 #7d170a}
.btn-call:hover{background:var(--flame-d);transform:translateY(-1px)}
.btn-call:active{transform:translateY(2px);box-shadow:0 1px 0 #7d170a}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-call:focus-visible{outline-color:var(--ink)}
.num{white-space:nowrap;margin-left:.35em}
.actions{display:flex;flex-wrap:wrap;gap:var(--sp2);align-items:center}

/* Header */
.top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px max(20px,calc((100% - var(--wrap))/2 + 20px))}
.brand{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);min-height:44px;justify-content:center;white-space:nowrap}
.brand-n{font:700 1.3281rem/1.1 var(--f-head)}
.brand-s{font:600 .875rem/1.2 var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.nav,.top-call{display:none}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 4px;margin-right:22px;color:var(--ink);font-weight:600;text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--ink)}

/* Hero: the card on a hot/cold split */
.hero{position:relative;display:grid;gap:var(--sp5);padding:var(--sp3) max(20px,calc((100% - var(--wrap))/2 + 20px)) var(--sp5);background:linear-gradient(180deg,var(--warm) 0 46%,var(--ice) 46% 100%);overflow:hidden}
.hero-card{width:100%;max-width:700px;margin:var(--sp2) 0 0;transform:rotate(-3deg);animation:settle 1s cubic-bezier(.2,.8,.2,1) both}
.card-h1{margin:0;line-height:0;font-size:0}
.card-svg{width:100%;height:auto;filter:drop-shadow(0 18px 24px rgba(20,40,90,.28)) drop-shadow(0 2px 3px rgba(20,23,27,.3))}
.card-svg text{font-family:var(--f-head);font-weight:700}
.card-svg .c-tag,.card-svg .c-ltd{font-family:var(--f-body);font-weight:600}
.card-svg .c-heat{animation:warm 1.4s .35s ease-out both}
.card-svg .c-cool{animation:warm 1.4s .6s ease-out both}
@keyframes settle{from{transform:rotate(-9deg) translateY(26px) scale(.96)}to{transform:rotate(-3deg)}}
@keyframes warm{from{opacity:.4}to{opacity:1}}
.hero-copy{max-width:36rem;width:100%}
.kicker{font:600 .95rem/1.3 var(--f-body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:var(--sp2)}
.big{font-size:var(--s4);margin-bottom:var(--sp2)}
.hero-copy .lede{margin-bottom:var(--sp3)}

/* Services */
.services{padding:var(--sp6) 0 var(--sp6)}
.services .h2{margin-bottom:var(--sp4)}
.back{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:var(--sp4) var(--sp3);box-shadow:0 22px 40px -22px rgba(20,40,90,.35);overflow:hidden;isolation:isolate}
.back::before,.back::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;z-index:-1;pointer-events:none}
.back::before{left:-170px;top:-170px;background:radial-gradient(closest-side,rgba(228,87,46,.20),transparent)}
.back::after{right:-170px;bottom:-170px;background:radial-gradient(closest-side,rgba(46,111,216,.24),transparent)}
.split{display:grid;gap:var(--sp4)}
.rule{height:4px;background:linear-gradient(90deg,#E4572E,#2E6FD8);border-radius:2px;transform-origin:left}
.col-h{display:flex;align-items:center;gap:12px;font-size:var(--s1);margin-bottom:var(--sp2);min-height:44px}
.ico{width:28px;height:28px;flex:none}
.hot .ico{fill:var(--ink)}
.cold .ico{color:var(--ink)}
.svc{list-style:none;margin:0;padding:0}
.svc li{font:700 var(--s2)/1.2 var(--f-head);padding:14px 0;border-bottom:1px solid var(--line)}
.svc li:first-child{border-top:1px solid var(--line)}
.trailer{margin:var(--sp4) 0 0;max-width:300px}
.trailer img{width:100%;height:auto;border:2px solid var(--ink);box-shadow:8px 8px 0 #2E6FD8;transform:rotate(1.5deg)}

/* Reviews */
.reviews{background:var(--ink);color:var(--paper);padding:var(--sp6) 0}
.reviews .eyebrow{color:#9DBDF2}
.reviews .h2{margin-bottom:var(--sp5)}
.quotes{display:grid;gap:var(--sp5)}
.quote{margin:0;padding-left:20px;border-left:5px solid;border-image:linear-gradient(180deg,#E4572E,#2E6FD8) 1}
.quote blockquote{margin:0}
.quote p{font:400 var(--s2)/1.35 var(--f-head)}
.q-a p{font-size:var(--s3);line-height:1.25}
.quote figcaption{margin-top:var(--sp2);font:600 1.0625rem/1.3 var(--f-body);color:var(--on-ink)}
.quote figcaption::before{content:"\2014\00a0"}

/* Contact */
.contact{padding:var(--sp6) 0 var(--sp7);background:linear-gradient(180deg,var(--paper),var(--ice))}
.contact-grid{display:grid;gap:var(--sp5);align-items:center}
.dial-wrap{max-width:360px;width:100%}
.dial{width:100%;height:auto}
.dial-cap{display:flex;justify-content:space-between;font:700 var(--s1)/1 var(--f-head);padding:0 8px}
.needle{transform-origin:160px 170px}
.contact .h2{margin-bottom:var(--sp2)}
.contact .lede{margin-bottom:var(--sp3)}
.links{list-style:none;padding:0;margin:var(--sp3) 0 0}
.links a{display:inline-flex;align-items:center;min-height:44px;font-weight:600;overflow-wrap:anywhere}

/* Footer */
.foot{background:var(--ink);color:var(--on-ink);padding:var(--sp4) 0 calc(var(--sp4) + 96px);font-size:.95rem}
.foot .wrap{display:flex;flex-wrap:wrap;gap:var(--sp1) var(--sp4);justify-content:space-between}
.syr{color:#fff}

/* Sticky Call bar, phones only */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:1fr auto;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--paper);border-top:2px solid var(--ink)}
.dock .btn{padding:0 12px;font-size:1.0625rem}
.dock .btn-call{padding:0 10px}
.dock .btn-ghost{padding:0 16px}

/* 404 */
.p404{background:linear-gradient(180deg,var(--warm) 0 46%,var(--ice) 46%)}
.nf{padding-top:var(--sp7);padding-bottom:var(--sp6);min-height:70vh}
.nf .lede{margin-bottom:var(--sp3)}

/* Scroll-driven touches (progressive; content is visible without them) */
@supports (animation-timeline:view()){
  .rule{animation:draw linear both;animation-timeline:view();animation-range:entry 10% cover 45%}
  .quote{animation:slide linear both;animation-timeline:view();animation-range:entry 0% entry 80%}
  .needle{animation:sweep linear both;animation-timeline:view();animation-range:entry 10% cover 50%}
  @keyframes draw{from{transform:scaleX(.08)}to{transform:scaleX(1)}}
  @keyframes slide{from{transform:translateX(-18px)}to{transform:none}}
  @keyframes sweep{from{transform:rotate(-78deg)}to{transform:rotate(0)}}
}

@media (min-width:720px){
  html{scroll-padding-bottom:16px}
  .top-call{display:inline-flex}
  .dock{display:none}
  .foot{padding-bottom:var(--sp4)}
  .contact{padding-bottom:var(--sp6)}
  .back{padding:var(--sp5) var(--sp5)}
  .split{grid-template-columns:1fr 6px 1fr;gap:var(--sp5)}
  .rule{height:auto;width:6px;border-radius:3px;background:linear-gradient(180deg,#E4572E,#2E6FD8);transform-origin:top}
  @supports (animation-timeline:view()){@keyframes draw{from{transform:scaleY(.08)}to{transform:scaleY(1)}}}
  .quotes{grid-template-columns:repeat(12,1fr);gap:var(--sp5) var(--sp3)}
  .q-a{grid-column:1/9}
  .q-b{grid-column:6/13}
  .q-c{grid-column:2/10}
  .contact-grid{grid-template-columns:5fr 6fr;gap:var(--sp6)}
  .hero{background:linear-gradient(100deg,var(--warm) 0 50%,var(--ice) 50% 100%)}
  .p404{background:linear-gradient(100deg,var(--warm) 0 50%,var(--ice) 50%)}
}
@media (min-width:900px){
  .nav{display:flex}
  .top{padding-block:16px}
  .hero{grid-template-columns:7fr 5fr;align-items:center;padding:var(--sp5) max(20px,calc((100% - var(--wrap))/2 + 20px)) var(--sp6);gap:var(--sp5)}
  .hero-card{margin:0 -8px 0 0}
  .hero-copy{margin:0}
  .big{font-size:var(--s5)}
  .h2{font-size:var(--s4)}
  .q-a p{font-size:var(--s4);line-height:1.2}
  .quote p{font-size:var(--s3)}
  .svc li{font-size:var(--s3);padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}