/* MarGo Plumbing Heating Cooling — "Home Comfort" identity
   deep water-blue + heat-orange + steel · Barlow Condensed + Barlow
   bold home-services trade · droplet/flame motif (blue=plumbing, orange=heat) */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Barlow:wght@300;400;500;600;700&display=swap');

:root{
  --steel:#eef1f5; --steel-2:#e1e6ee; --card:#ffffff;
  --blue:#143a66; --blue-2:#1d5290; --ink:#1d2733; --ink-soft:#56616f; --line:#d7dde6;
  --orange:#e07a2c; --orange-2:#c4641a; --orange-soft:#fae6d4;
  --cyan:#2c89c4; --blue-soft:#e2ebf5;
  --maxw:1180px; --r:5px; --r-lg:10px;
  --shadow:0 1px 2px rgba(20,58,102,.06),0 16px 44px rgba(20,58,102,.12);
  --shadow-sm:0 1px 2px rgba(20,58,102,.07),0 6px 18px rgba(20,58,102,.07);
  --disp:'Barlow Condensed',Arial Narrow,sans-serif; --sans:'Barlow',-apple-system,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--steel);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:var(--blue-2);text-decoration:none}
a:hover{color:var(--orange-2)}
h1,h2,h3,h4{font-family:var(--disp);font-weight:700;line-height:1.04;letter-spacing:.005em;margin:0 0 .5em;color:var(--blue);text-transform:uppercase}
h1{font-size:clamp(2.6rem,6vw,4.6rem)}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:1.35rem;letter-spacing:.01em}
p{margin:0 0 1.1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--sans);font-size:.76rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--orange-2);margin:0 0 1rem;display:flex;align-items:center;gap:.7rem}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--orange)}
.eyebrow.c{justify-content:center}
.lede{font-size:1.2rem;color:var(--ink-soft);line-height:1.7;font-family:var(--sans)}
.muted{color:var(--ink-soft)}
.center{text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--disp);font-weight:700;font-size:1.05rem;
  letter-spacing:.03em;text-transform:uppercase;padding:.85rem 1.8rem;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:.18s ease}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-2);transform:translateY(-1px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--blue);border-color:var(--blue);border-width:2px}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-on-blue{background:var(--orange);color:#fff}
.btn-on-blue:hover{background:var(--orange-2)}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);border-width:2px}
.btn-outline-w:hover{background:#fff;color:var(--blue)}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(238,241,245,.92);
  backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(20,58,102,.08)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--disp);font-size:1.5rem;color:var(--blue);font-weight:700;text-transform:uppercase;letter-spacing:.01em}
.brand .mk{width:40px;height:40px;flex:0 0 40px}
.brand b{color:var(--orange)}
.nav-links{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--sans);font-size:.92rem;font-weight:600;color:var(--ink)}
.nav-links a:hover{color:var(--orange-2)}
.nav-cta{margin-left:.4rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--blue);transition:.2s}
.nav-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--blue);color:#cfdcec;border-bottom:5px solid var(--orange)}
.hero::before{content:"";position:absolute;inset:0;opacity:.6;
  background:radial-gradient(circle at 82% 25%,rgba(44,137,196,.4),transparent 45%),radial-gradient(circle at 92% 80%,rgba(224,122,44,.22),transparent 42%)}
.hero-inner{position:relative;padding:5.5rem 0 5rem;max-width:740px}
.hero h1{color:#fff;margin-bottom:.25em}
.hero h1 .acc{color:var(--orange)}
.hero .lede{color:#bcccdf}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.7rem}
.hero-trust{display:flex;flex-wrap:wrap;gap:1.3rem;margin-top:2.2rem;align-items:center}
.hero-trust span{font-size:.84rem;font-weight:600;color:#9fb4cd;display:flex;align-items:center;gap:.5rem}
.hero-trust span::before{content:"";width:8px;height:8px;background:var(--orange);border-radius:50%}

/* sections */
section{padding:5.4rem 0}
.alt{background:var(--steel-2)}
.blue-sec{background:var(--blue);color:#cfdcec}
.blue-sec h2,.blue-sec h3{color:#fff}.blue-sec .lede,.blue-sec p{color:#bcccdf}
.blue-sec .eyebrow{color:#f0a868}.blue-sec .eyebrow::before{background:var(--orange)}
.sec-head{max-width:680px;margin:0 0 3rem}
.sec-head.c{margin:0 auto 3rem;text-align:center}

/* service cards */
.grid{display:grid;gap:1.4rem}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:2rem 1.8rem;transition:.2s;border-top:4px solid var(--blue)}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-top-color:var(--orange)}
.svc .si{width:54px;height:54px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.svc:hover .si{background:var(--orange-soft);color:var(--orange-2)}
.svc h3{margin-bottom:.4rem}
.svc p{margin:0;font-size:.95rem;color:var(--ink-soft)}
.svc .more{display:inline-block;margin-top:.8rem;font-family:var(--disp);font-size:1rem;font-weight:700;text-transform:uppercase;color:var(--orange-2)}

/* feat detail */
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:2rem;border-left:5px solid var(--orange)}
.feat h3{font-size:1.4rem;margin-bottom:.5rem}.feat p{margin:0 0 .6rem;color:var(--ink-soft)}
.feat+.feat{margin-top:1.2rem}

/* why / split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.split.r .split-aside{order:2}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:2.3rem;box-shadow:var(--shadow-sm);border-top:5px solid var(--orange)}
.aside-card h3{color:var(--blue)}
.kv{display:flex;justify-content:space-between;gap:1rem;padding:.85rem 0;border-bottom:1px dashed var(--line);font-size:.96rem}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--ink-soft)}.kv .v{font-weight:700;color:var(--blue);text-align:right}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.stat .n{font-family:var(--disp);font-size:3rem;color:var(--orange);line-height:1;font-weight:700}
.stat .l{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:#9fb4cd;margin-top:.4rem;font-weight:600}

/* checks */
.checks{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:.7rem}
.checks li{position:relative;padding-left:2rem;color:var(--ink-soft)}
.checks li::before{content:"";position:absolute;left:0;top:.32em;width:16px;height:16px;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Ccircle cx='12' cy='12' r='10' fill='%23e07a2c'/%3E%3Cpath d='M7 12.5l3 3 7-7' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.cols-2{columns:2;column-gap:2.5rem}.cols-2 li{break-inside:avoid}
@media (max-width:620px){.cols-2{columns:1}}

/* areas */
.chips{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin-top:1.5rem}
.chip{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:.5rem 1.1rem;font-size:.92rem;color:var(--blue);font-weight:600}

/* refer band */
.refer{background:linear-gradient(120deg,var(--orange),#eb9447);border-radius:var(--r-lg);padding:2.6rem 3rem;display:grid;grid-template-columns:auto 1fr auto;gap:2rem;align-items:center;color:#fff}
.refer .ri{width:60px;height:60px;flex:0 0 60px}
.refer h3{color:#fff;font-size:1.8rem;margin:0}
.refer p{color:rgba(255,255,255,.92);margin:.2rem 0 0}

/* faq */
.faq{max-width:800px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:.4rem 2rem}
.faq details{border-bottom:1px solid var(--line);padding:1.3rem 0}.faq details:last-child{border-bottom:0}
.faq summary{font-family:var(--disp);font-weight:700;font-size:1.25rem;text-transform:uppercase;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--sans);font-size:1.5rem;color:var(--orange);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:1rem 0 0;color:var(--ink-soft)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.8rem}
.info-row{display:flex;gap:.9rem;padding:.85rem 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
.info-row .ic{color:var(--orange-2);flex:0 0 22px;margin-top:2px}
.info-row b{display:block;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);font-weight:700;margin-bottom:.15rem}
.map-embed{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);height:300px;margin-top:1.3rem}
.map-embed iframe{width:100%;height:100%;border:0}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.4rem}
.field input,.field textarea,.field select{width:100%;padding:.85rem 1rem;border:1px solid var(--line);border-radius:var(--r);background:#fff;font-family:var(--sans);font-size:1rem;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-soft)}

/* CTA band */
.cta-band{background:var(--blue);border-radius:var(--r-lg);padding:3.5rem;text-align:center;position:relative;overflow:hidden;border-bottom:5px solid var(--orange)}
.cta-band h2{color:#fff}.cta-band p{color:#bcccdf}

/* footer */
.site-footer{background:#0f2a4d;color:#9fb4cd;padding:4rem 0 2rem;border-top:5px solid var(--orange)}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.site-footer h4{color:#fff;font-family:var(--disp);font-size:1.05rem;letter-spacing:.06em;text-transform:uppercase;font-weight:700;margin-bottom:1rem}
.site-footer a{color:#9fb4cd;display:block;margin-bottom:.55rem;font-size:.95rem}
.site-footer a:hover{color:var(--orange)}
.foot-brand{font-family:var(--disp);font-size:1.5rem;color:#fff;margin-bottom:.5rem;text-transform:uppercase;font-weight:700}
.foot-brand b{color:var(--orange)}
.foot-bot{border-top:1px solid rgba(255,255,255,.13);padding-top:1.6rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#6f86a2}
.foot-bot a{display:inline;color:#6f86a2}

/* sticky mobile bar */
.mobar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--blue);padding:.6rem;gap:.6rem}
.mobar a{flex:1;text-align:center;justify-content:center}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}.reveal[data-d="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* responsive */
@media (max-width:980px){
  .split{grid-template-columns:1fr;gap:2.2rem}.split.r .split-aside{order:0}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:1.5rem}
  .refer{grid-template-columns:1fr;text-align:center;gap:1.2rem}.refer .ri{margin:0 auto}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav-links{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--steel);border-bottom:1px solid var(--line);padding:.5rem 24px 1.2rem;
    transform:translateY(-140%);transition:transform .3s ease;box-shadow:0 16px 30px rgba(20,58,102,.12)}
  .nav-links.open{transform:none}
  .nav-links li{border-bottom:1px solid var(--line)}.nav-links li:last-child{border-bottom:0}
  .nav-links a{display:block;padding:.95rem .2rem}
  .nav-cta{margin:.7rem 0 0}.nav-cta a{display:block;text-align:center}
  .nav-toggle{display:flex}
  .g-2,.g-3{grid-template-columns:1fr}
  .cta-band{padding:2.4rem 1.6rem}
  .foot-grid{grid-template-columns:1fr}
  body{padding-bottom:64px}.mobar{display:flex}
  section{padding:3.8rem 0}
}