/* Simple Comfort — shared stylesheet for index.html, services.html, about.html */
:root{
  --bg:#faf7f2;            /* warm off-white */
  --surface:#f2ece3;
  --paper:#fffdf9;
  --text:#1c1a17;
  --muted:#5f5850;
  --rule:#e6dfd4;
  --warm:#e2892f;          /* heating — strokes, hairline */
  --warm-ink:#a2560f;      /* heating — text on light */
  --warm-tint:#fbf0e3;
  --cool:#5aaee6;          /* cooling — strokes, hairline */
  --cool-ink:#1f6aa5;      /* cooling text + primary UI */
  --cool-ink-hover:#185789;
  --cool-tint:#ecf4fb;
  --primary:var(--cool-ink);
  --hairline:linear-gradient(90deg,var(--warm) 0%,#e9b98a 38%,#a9cfe9 62%,var(--cool) 100%);
  --dark:#1d1b18;
  --dark-muted:#b3aca2;
  --dark-rule:#34302b;
  --radius:12px;
  --radius-sm:8px;
  --gutter:20px;
  --max:1160px;
  --header-h:108px;        /* logo row + nav row on mobile */
  --callbar-h:60px;
  --ease:cubic-bezier(.22,.7,.2,1);       /* shared easing for all site motion */
  --ease-io:cubic-bezier(.76,0,.24,1);    /* intro exit only */
  --font:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 20px)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-weight:600;letter-spacing:-0.02em;line-height:1.1;margin:0;text-wrap:balance}
p{margin:0}
ul{margin:0;padding:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--hairline);flex:none}
.eyebrow.is-warm{color:var(--warm-ink)}
.eyebrow.is-warm::before{background:var(--warm)}
.eyebrow.is-cool{color:var(--cool-ink)}
.eyebrow.is-cool::before{background:var(--cool)}
.lede{color:var(--muted);font-size:18.5px;max-width:34em}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:100;background:var(--text);color:var(--bg);padding:10px 14px;border-radius:var(--radius-sm)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.icon{width:28px;height:28px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.is-warm .icon,.icon.is-warm{color:var(--warm)}
.is-cool .icon,.icon.is-cool{color:var(--cool-ink)}

/* Buttons — soft, rounded */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;font:600 16px/1 var(--font);text-decoration:none;border:1.5px solid transparent;border-radius:999px;transition:background-color .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);white-space:nowrap}
.btn .icon{width:18px;height:18px;stroke-width:1.8}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--cool-ink-hover);transform:translateY(-2px);box-shadow:0 8px 18px -10px rgba(31,106,165,.7)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--rule)}
.btn-ghost:hover{border-color:var(--text);transform:translateY(-2px)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.text-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:600;color:var(--primary);text-decoration:none;transition:gap .3s var(--ease),color .3s var(--ease)}
.text-link .icon{width:18px;height:18px;stroke-width:1.8}
.text-link:hover{gap:12px;color:var(--cool-ink-hover)}
.text-link.is-warm{color:var(--warm-ink)}
.text-link.is-warm .icon{color:currentColor}

/* Preview ribbon */
.ribbon{background:var(--dark);color:var(--dark-muted);font-size:12.5px;line-height:1.4;text-align:center;padding:8px var(--gutter)}
.ribbon strong{color:#fff;font-weight:500}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.92);-webkit-backdrop-filter:saturate(1.3) blur(10px);backdrop-filter:saturate(1.3) blur(10px);border-bottom:1px solid transparent;transition:border-color .4s var(--ease)}
.header.is-scrolled{border-bottom-color:var(--rule)}
.header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;max-width:var(--max);margin:0 auto;padding:8px var(--gutter) 0}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;font-size:20px;font-weight:600;letter-spacing:-0.025em;line-height:1}
.logo-mark{width:24px;height:24px;flex:none;stroke-width:2}
.header-actions{display:flex;align-items:center;gap:18px}
.header-phone{display:none;align-items:center;min-height:44px;font-size:15.5px;font-weight:500;text-decoration:none;font-variant-numeric:tabular-nums;transition:color .3s var(--ease)}
.header-phone:hover{color:var(--primary)}
.nav{order:3;flex-basis:100%;display:flex;justify-content:center;gap:2px;margin-top:2px}
.nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;font-size:15.5px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .3s var(--ease)}
.nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:7px;height:2px;border-radius:2px;background:var(--hairline);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover{color:var(--text)}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--text)}

/* Signature: amber→blue hairline */
.hairline{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.hairline::before{content:"";display:block;height:2px;border-radius:2px;background:var(--hairline);opacity:.85}

/* Hero */
.hero{padding:40px 0 72px}
.hero-grid{display:grid;gap:40px}
.hero h1{font-size:clamp(40px,10.5vw,74px);letter-spacing:-0.035em;line-height:1.03;font-weight:600;max-width:11em}
.hero h1 .warm{color:var(--warm-ink)}
.hero h1 .cool{color:var(--cool-ink)}
.hero .lede{margin:22px 0 32px}
.hero-media{position:relative}
.hero-media picture{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius);background:var(--surface)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:80% 50%}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:14.5px;color:var(--muted)}
.hero-note::before{content:"";width:28px;height:2px;border-radius:2px;background:var(--hairline);flex:none}

/* Sections */
.section{padding:76px 0}
.section-alt{background:var(--paper);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.section-head{display:grid;gap:16px;margin-bottom:40px;max-width:40em}
.section-head h2,.h2{font-size:clamp(30px,7vw,48px);letter-spacing:-0.03em}

/* Heating / Cooling two-up */
.duo{display:grid;gap:16px}
.panel{position:relative;padding:32px 26px 26px;border-radius:var(--radius);border:1px solid var(--rule);overflow:hidden}
.panel::before{content:"";position:absolute;left:0;right:0;top:0;height:3px}
.panel-heat{background:var(--warm-tint)}
.panel-heat::before{background:var(--warm)}
.panel-cool{background:var(--cool-tint)}
.panel-cool::before{background:var(--cool)}
.panel-top{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.panel-top .icon{width:40px;height:40px;stroke-width:1.4}
.panel h3{font-size:28px;letter-spacing:-0.025em}
.panel p{color:var(--muted);margin-bottom:18px}
.ticks{list-style:none;display:grid;gap:2px;margin-bottom:14px}
.ticks li{display:flex;align-items:center;gap:12px;min-height:44px;font-weight:500;border-top:1px solid rgba(28,26,23,.08)}
.ticks li::before{content:"";width:8px;height:8px;border-radius:50%;border:2px solid currentColor;flex:none}
.panel-heat .ticks li::before{color:var(--warm)}
.panel-cool .ticks li::before{color:var(--cool)}

/* Split (image + text) */
.split{display:grid;gap:36px;align-items:center}
.split-media{overflow:hidden;border-radius:var(--radius);background:var(--surface);aspect-ratio:4/3}
.split-media img,.media-break img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.split-media:hover img,.media-break figure:hover img{transform:scale(1.03)}
.split-body h2{margin-bottom:18px}
.split-body .lede+.lede{margin-top:14px}
.callout{display:flex;gap:14px;align-items:flex-start;margin-top:26px;padding:18px 20px;border-radius:var(--radius-sm);background:var(--paper);border:1px solid var(--rule)}
.callout .icon{margin-top:2px}
.callout p{font-size:16px;color:var(--muted)}
.callout strong{color:var(--text);font-weight:600}
.split-body .btn-row,.split-body .text-link{margin-top:26px}

/* Why list */
.why{list-style:none;display:grid;gap:14px;counter-reset:why}
.why li{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;align-content:start;padding:24px 22px;background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius)}
.why .icon{width:32px;height:32px;color:var(--text)}
.why h3{font-size:19px;letter-spacing:-0.015em}
.why p{color:var(--muted);font-size:16px;margin-top:4px}

/* CTA band */
.cta{padding:0 0 76px}
.cta-card{position:relative;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.cta-inner{position:relative;display:grid;gap:26px;padding:44px 26px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--rule);overflow:hidden}
.cta-inner::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--hairline)}
.cta h2{font-size:clamp(30px,7.4vw,50px);letter-spacing:-0.03em;max-width:13em}
.cta p{color:var(--muted);font-size:18px;max-width:32em;margin-top:14px}

/* Page header (services/about) */
.page-head{padding:52px 0 48px}
.page-head h1{font-size:clamp(40px,10.5vw,76px);letter-spacing:-0.035em;line-height:1.03;max-width:12em}
.page-head .lede{margin-top:20px}

/* Services groups */
.group{padding:64px 0 24px}
.group-head{display:grid;gap:14px;margin-bottom:28px}
.group-title{display:flex;align-items:center;gap:14px}
.group-title .icon{width:40px;height:40px;stroke-width:1.4}
.group-title h2{font-size:clamp(32px,7vw,48px);letter-spacing:-0.03em}
.group.is-warm .group-title h2{color:var(--text)}
.svc-list{list-style:none;display:grid;gap:12px}
.svc{padding:24px 22px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--rule);border-top:3px solid var(--rule)}
.group.is-warm .svc{border-top-color:var(--warm)}
.group.is-cool .svc{border-top-color:var(--cool)}
.group.is-neutral .svc{border-top-color:#b5ab9d}
.svc h3{font-size:19.5px;letter-spacing:-0.015em}
.svc p{color:var(--muted);font-size:16px;margin-top:6px}
.media-break{display:grid;gap:12px;padding:28px 0 48px}
.media-break figure{margin:0;overflow:hidden;border-radius:var(--radius);background:var(--surface);aspect-ratio:3/2}
.media-break.single figure{aspect-ratio:16/10}

/* About */
.prose p{color:var(--muted);font-size:18.5px;max-width:34em}
.prose p+p{margin-top:18px}
.prose strong{color:var(--text);font-weight:600}
.tags{list-style:none;margin-top:28px;display:flex;flex-wrap:wrap;gap:8px}
.tags li{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--rule);background:var(--paper);font-size:15px;font-weight:500}
.tags-more{margin-top:16px;color:var(--muted)}

/* Footer */
.footer{background:var(--dark);color:var(--dark-muted);font-size:15px;padding:56px 0 calc(32px + var(--callbar-h) + env(safe-area-inset-bottom))}
.footer::before{content:"";display:block;height:2px;background:var(--hairline);margin-top:-56px;margin-bottom:54px}
.footer a{text-decoration:none;color:#fff;transition:color .3s var(--ease)}
.footer a:hover{color:#a9d3f2}
.footer-grid{display:grid;gap:36px}
.footer .logo{color:#fff;margin-bottom:10px}
.footer h2{font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--dark-muted);margin-bottom:12px}
.footer ul{list-style:none}
.footer li a{display:inline-flex;align-items:center;min-height:44px}
.footer p+p{margin-top:6px;color:#fff}
.footer .phone{margin-top:6px;display:inline-flex;align-items:center;min-height:44px;font-size:21px;font-weight:600;font-variant-numeric:tabular-nums}
.footer-meta{margin-top:44px;padding-top:22px;border-top:1px solid var(--dark-rule);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font-size:13.5px}

/* Mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;justify-content:center;gap:10px;min-height:var(--callbar-h);padding:0 16px env(safe-area-inset-bottom);background:var(--primary);color:#fff;font-weight:600;font-size:16px;text-decoration:none;box-shadow:0 -6px 20px -12px rgba(29,27,24,.55)}
.callbar::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--hairline)}
.callbar .icon{width:18px;height:18px;stroke-width:1.8}
.callbar span{opacity:.85;font-weight:400}

/* Intro (home only). Hidden by default; only shown when the head script adds .intro-on. */
.intro{display:none}
html.intro-on .intro{display:flex;position:fixed;inset:0;z-index:1000;flex-direction:column;align-items:center;justify-content:center;padding:0 var(--gutter);background:var(--bg);text-align:center;will-change:transform;animation:intro-exit .7s var(--ease-io) 2.3s forwards}
html.intro-skip .intro{animation:intro-exit-now .6s var(--ease-io) forwards}
.intro-mark{font-size:clamp(42px,11vw,96px);font-weight:600;letter-spacing:-0.035em;line-height:1.05}
.intro-mark span{display:inline-block;opacity:0;transform:translateY(.35em);animation:intro-rise .8s var(--ease) forwards}
.intro-mark span:nth-child(1){animation-delay:.25s}
.intro-mark span:nth-child(2){animation-delay:.42s}
.intro-line{width:min(320px,64vw);height:2px;margin:28px auto 20px;border-radius:2px;background:var(--hairline);transform:scaleX(0);transform-origin:left;animation:intro-draw .75s var(--ease) .9s forwards}
.intro-place{font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);opacity:0;animation:intro-fade .6s var(--ease) 1.45s forwards}
html.intro-on .hero-grid{animation:hero-settle .9s var(--ease) 2.45s both}
html.intro-skip .hero-grid{animation:hero-settle-now .9s var(--ease) .2s both}
@keyframes intro-rise{to{opacity:1;transform:none}}
@keyframes intro-draw{to{transform:scaleX(1)}}
@keyframes intro-fade{to{opacity:1}}
@keyframes intro-exit{to{transform:translateY(-100%)}}
@keyframes intro-exit-now{to{transform:translateY(-100%)}}
@keyframes hero-settle{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes hero-settle-now{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* Scroll reveal. Visible by default; .js-anim (added by JS) opts elements into the hidden start state. */
html.js-anim .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0ms)}
html.js-anim .reveal.is-in{opacity:1;transform:none}
/* Signature: hairlines draw in from the amber end, once (<1s) */
html.js-anim .hairline::before{transform:scaleX(0);transform-origin:left;transition:transform .85s var(--ease)}
html.js-anim .hairline.is-in::before{transform:none}

/* ≥ 640px */
@media (min-width:640px){
  :root{--gutter:32px}
  .duo{grid-template-columns:1fr 1fr}
  .why{grid-template-columns:repeat(3,1fr)}
  .why li{grid-template-columns:1fr;gap:18px;padding:28px 24px}
  .svc-list{grid-template-columns:1fr 1fr}
  .media-break{grid-template-columns:1fr 1fr}
  .media-break.single{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{padding:56px 44px}
}
/* ≥ 900px: single-row header, desktop layouts; call bar hidden */
@media (min-width:900px){
  :root{--header-h:76px;--callbar-h:0px}
  .callbar{display:none}
  .header-inner{flex-wrap:nowrap;padding-top:0;min-height:76px}
  .nav{order:0;flex-basis:auto;margin:0 0 0 auto}
  .header-actions{margin-left:16px}
  .hero{padding:72px 0 112px}
  .hero-grid{grid-template-columns:1.2fr .8fr;gap:64px;align-items:center}
  .hero h1{font-size:clamp(52px,5.2vw,68px)}
  .hero-media picture{aspect-ratio:5/6}
  .section{padding:112px 0}
  .section-head{margin-bottom:52px}
  .panel{padding:44px 40px 34px}
  .panel h3{font-size:32px}
  .split{grid-template-columns:1fr 1fr;gap:80px}
  .split.flip .split-media{order:2}
  .cta{padding-bottom:112px}
  .cta-inner{grid-template-columns:1.4fr auto;align-items:end;padding:72px 64px}
  .page-head{padding:88px 0 72px}
  .group{padding:88px 0 24px}
  .group-head{grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:40px}
  .svc-list{grid-template-columns:repeat(3,1fr);gap:16px}
  .media-break{padding:32px 0 64px;gap:16px}
  .media-break.single figure{aspect-ratio:21/9}
  .footer{padding-bottom:36px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
}
@media (min-width:1080px){
  .header-phone{display:inline-flex}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .intro{display:none!important}
  html.js-anim .reveal{opacity:1;transform:none}
  html.js-anim .hairline::before{transform:none}
  .btn:hover,.split-media:hover img,.media-break figure:hover img{transform:none}
}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}