/* Plumbing Lancaster PA - Concept A "Copper Flow", extracted from final approved mockup */
:root{--p:#0B3B3C;--a:#E08A3C;--onA:#ffffff;--bg:#ffffff;--soft:#EFF5F3;--ink:#12262A;--mut:#54666B;--radius:14px;--bf:"Barlow",sans-serif;--hf:"Barlow",sans-serif}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--bf);font-size:17px;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--hf);margin:0;line-height:1.14}
p{margin:0;line-height:1.55}
.inner{max-width:1020px;margin:0 auto;padding:0 22px;width:100%}
.skip{position:absolute;left:-9999px;top:0;background:var(--p);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}

/* header (mockup .m-head) */
.m-head{background:var(--p);color:#fff;position:relative;z-index:20}
.m-head-row{display:flex;align-items:center;gap:14px;padding:13px 22px;max-width:1020px;margin:0 auto}
.logo{display:flex;align-items:center;gap:11px;min-width:0;text-decoration:none}
.logo-mark{width:38px;height:38px;flex:none;border-radius:10px;background:transparent;display:block;overflow:hidden;line-height:0}
.logo-mark svg{width:100%;height:100%;display:block}
.logo-txt{line-height:1.08;min-width:0}
.logo-txt b{display:block;font-size:16.5px;font-family:var(--hf);white-space:nowrap}
.logo-txt small{font-size:11.5px;opacity:.82;white-space:nowrap}
.m-nav{display:flex;gap:20px;margin-left:auto}
.m-nav a{color:#fff;text-decoration:none;font-weight:600;font-size:14.5px;padding:10px 2px}
.head-call{margin-left:8px;flex:none;background:var(--a);color:var(--onA);text-decoration:none;font-weight:800;font-size:15px;padding:12px 16px;border-radius:10px;min-height:44px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.burger{display:none;margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:10px;width:46px;height:46px;flex:none;align-items:center;justify-content:center;cursor:pointer}
.burger svg{width:22px;height:22px}
.mobile-nav{display:none;background:#fff;color:var(--ink);border-bottom:3px solid var(--a)}
.mobile-nav.open{display:block}
.mobile-nav a{display:flex;align-items:center;justify-content:space-between;padding:0 20px;min-height:50px;text-decoration:none;font-weight:700;font-size:15.5px;border-top:1px solid #e4e9ea;color:var(--ink)}
.mobile-nav a:first-child{border-top:0}
.mn-group{border-top:1px solid #e4e9ea}
.mn-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;min-height:50px;background:#fff;border:0;font-family:inherit;font-weight:700;font-size:15.5px;color:var(--ink);text-align:left;cursor:pointer}
.mn-chev{font-size:22px;line-height:1;color:var(--a);font-weight:800;transition:transform .18s ease;flex:none}
.mn-toggle[aria-expanded="true"] .mn-chev{transform:rotate(90deg)}
.mn-sub{background:var(--soft);border-top:1px solid #e4e9ea;max-height:300px;overflow-y:auto}
.mn-sub a{display:flex;align-items:center;padding:0 20px 0 28px;min-height:44px;font-size:14.5px;font-weight:600;border-top:1px solid rgba(20,40,45,.06);color:var(--ink)}
.mn-sub a:first-child{border-top:0}
.mn-sub span.mn-town{display:flex;align-items:center;padding:0 20px 0 28px;min-height:44px;font-size:14.5px;font-weight:600;border-top:1px solid rgba(20,40,45,.06);color:var(--mut)}
.mn-sub span.mn-town:first-child{border-top:0}

/* hero (mockup .hero) */
.hero{background:var(--soft)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:38px 0}
.hero h1{font-size:39px;font-weight:800;letter-spacing:-.01em}
.hero .lead{margin-top:14px;font-size:16.5px;color:var(--mut);max-width:52ch}
.hero .lead strong{color:var(--ink)}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.btn-call{background:var(--a);color:var(--onA);text-decoration:none;font-weight:800;padding:14px 20px;border-radius:11px;min-height:48px;display:inline-flex;align-items:center;gap:9px;font-size:16px}
.btn-ghost{background:transparent;border:2px solid var(--p);color:var(--p);text-decoration:none;font-weight:700;padding:12px 18px;border-radius:11px;min-height:48px;display:inline-flex;align-items:center;font-size:15.5px}
.hero-img{border-radius:var(--radius);overflow:hidden;align-self:center;width:100%}
.hero-img img{width:100%;height:auto;display:block;object-fit:cover;object-position:center;aspect-ratio:16/10;max-height:360px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;font-size:14px;font-weight:600;color:var(--p)}
.hero-points span{display:inline-flex;gap:7px;align-items:center}
.tick{width:18px;height:18px;flex:none;border-radius:50%;background:var(--a);color:var(--onA);display:inline-grid;place-items:center;font-size:11px;font-weight:900}

/* trust strip */
.trust{background:var(--p);color:#fff}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:18px 0}
.trust-item{font-size:14px;line-height:1.4}
.trust-item b{display:block;font-size:15px;font-family:var(--hf);margin-bottom:2px}
.trust-item span{opacity:.85}

/* sections */
.sec{padding:54px 0 0}
.sec.alt{background:var(--soft)}
.sec h2{font-size:27px;font-weight:800;margin-bottom:14px;scroll-margin-top:118px}
.sec h3{font-size:19px;font-weight:700;margin:20px 0 8px}
.sec .answer,.sec .body p{font-size:17.5px;line-height:1.72;color:var(--mut);max-width:72ch}
.sec .answer strong,.sec .body p strong{color:var(--ink)}
.sec .body p{margin-bottom:14px}
.sec .body p:last-child{margin-bottom:0}
.sec .body ul,.sec .body ol{margin:0 0 14px;padding-left:20px;color:var(--mut);font-size:17px;line-height:1.68}
.sec .body li{margin-bottom:5px}
.sec .body li strong{color:var(--ink)}
.sec .body a{color:var(--p);font-weight:700}
.byline{font-size:13px;color:var(--mut);padding:14px 0 0;font-weight:600}
.crumbs{font-size:13.5px;color:var(--mut);padding:16px 0 0;font-weight:600}
.crumbs a{color:var(--mut);text-decoration:none}
.crumbs b{color:var(--ink)}
.toc{background:#fff;border:1px solid #e0e7e5;border-radius:var(--radius);padding:18px 20px;margin-top:22px}
.toc h2{font-size:17px;margin-bottom:8px}
.toc ol{margin:0;padding-left:20px;line-height:1.7;font-size:15px}
.toc a{color:var(--p);font-weight:600;text-decoration:none}
/* readability pass: at-a-glance card, sticky TOC strip, callouts, process + comparison components */
.glance-wrap{padding-top:26px}
.glance{background:#fff;border:1.5px solid #d8e4e0;border-top:5px solid var(--a);border-radius:var(--radius);padding:20px 22px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;box-shadow:0 10px 28px rgba(11,59,60,.07)}
.glance h2{font-size:20px;margin-bottom:10px}
.glance-points{display:flex;flex-wrap:wrap;gap:9px 12px}
.glance-points span{display:inline-flex;align-items:center;gap:8px;background:var(--soft);color:var(--p);font-weight:700;font-size:14.5px;line-height:1.35;border-radius:999px;padding:8px 12px}
.toc-sticky{background:#fff;border:1px solid #d8e4e0;border-radius:var(--radius);padding:16px 18px;margin-top:22px;box-shadow:0 8px 22px rgba(11,59,60,.06)}
.toc-sticky h2{display:block;font-size:14px;letter-spacing:.02em;margin:0 0 8px;color:var(--p)}
.toc-sticky ol{margin:0;padding:0;list-style:none}
.toc-sticky li{display:block}
.toc-sticky a{display:block;color:var(--p);font-weight:650;font-size:13.5px;line-height:1.4;text-decoration:none;padding:7px 8px;border-radius:9px}
.toc-sticky a:hover{background:var(--soft)}
@media (min-width:900px){
  .article-shell{max-width:1020px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:205px minmax(0,1fr);gap:24px;align-items:start}
  .article-shell .toc-aside{position:sticky;top:16px;padding-top:54px}
  .article-shell .toc-aside .inner{max-width:none;margin:0;padding:0}
  .article-shell .toc-sticky{margin-top:0}
  .article-main{min-width:0}
  .article-main .sec{padding-left:20px;padding-right:20px}
  .article-main .inner{max-width:none;margin:0;padding:0}
  .article-main .split{grid-template-columns:1fr}
  .article-main .svc-grid{grid-template-columns:repeat(2,1fr)}
}
.callout{background:#e7f1ed;border-left:5px solid var(--a);border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px;margin:0 0 16px;max-width:72ch}
.callout p{margin:0!important}
.process-rows{display:grid;gap:12px;margin:4px 0 16px;counter-reset:step}
.process-row{position:relative;background:#fff;border:1px solid #dfe8e4;border-radius:var(--radius);padding:17px 18px 17px 62px;min-width:0}
.process-row::before{counter-increment:step;content:counter(step);position:absolute;left:17px;top:17px;width:32px;height:32px;border-radius:50%;background:var(--p);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px}
.process-row p{margin:0!important}
.process-row h3{margin:0 0 6px!important}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:4px 0 16px}
.compare-card{background:#fff;border:1px solid #dfe8e4;border-radius:var(--radius);padding:18px;min-width:0}
.compare-card h3{margin:0 0 8px!important;color:var(--p)}
.compare-card p{margin:0!important}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:4px 0 16px}
.info-card{background:#fff;border:1px solid #e0e7e5;border-radius:12px;padding:14px 16px;font-size:15.5px;line-height:1.55;color:var(--mut);min-width:0}
.info-card strong{color:var(--ink)}

/* split rows (mockup .split, landscape 16:10 capped, centred text) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.split>div{align-self:center;min-width:0}
.split img{border-radius:var(--radius);aspect-ratio:16/10;object-fit:cover;object-position:center;width:100%;height:auto;max-height:320px;align-self:center;display:block}

/* services cards (mockup Concept A grid) */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:22px}
.svc-card{background:#fff;border:1px solid #e0e7e5;border-radius:var(--radius);padding:16px;min-width:0}
.sec.alt .svc-card{border-color:#dde6e3}
.svc-card h3{font-size:16.5px;margin:8px 0 5px}
.svc-card p{font-size:14px;color:var(--mut)}
.svc-card a{text-decoration:none}
.svc-ic{width:36px;height:36px;border-radius:9px;background:var(--soft);color:var(--p);display:grid;place-items:center}
.sec.alt .svc-ic{background:#fff}
.svc-ic svg{width:20px;height:20px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:22px}
.step{background:#fff;border:1px solid #e0e7e5;border-radius:var(--radius);padding:18px;min-width:0}
.step .n{width:32px;height:32px;border-radius:50%;background:var(--p);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:10px}
.step h3{font-size:16.5px;margin-bottom:5px}
.step p{font-size:14px;color:var(--mut)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{border:1.5px solid var(--p);color:var(--p);border-radius:999px;padding:8px 14px;font-weight:700;font-size:14px;background:#fff;white-space:nowrap;text-decoration:none}
.chip.more{border-style:dashed;color:var(--mut)}

/* signs / factors / vs (mockup drain page) */
.signs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:4px 0 16px}
.sign{background:#fff;border:1px solid #e0e7e5;border-radius:12px;padding:14px 16px;font-size:15.5px;line-height:1.5;font-weight:600;display:flex;gap:10px;align-items:flex-start;min-width:0}
.sign::before{content:"\2713";width:21px;height:21px;flex:none;border-radius:50%;background:var(--a);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:900;line-height:1;margin-top:1px}
.sec.alt .sign{background:#fff}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:20px}
.vs-card{border-radius:var(--radius);padding:20px;min-width:0}
.vs-card.a1{background:var(--p);color:#fff}
.vs-card.a2{background:#fff;border:2px solid var(--a);color:var(--ink)}
.vs-card h3{font-size:18px;margin-bottom:8px}
.vs-card ul{margin:10px 0 0;padding-left:18px;line-height:1.65;font-size:15.5px}
.vs-card p{font-size:15.5px;line-height:1.65;opacity:.92}
.vs-card.a1 p,.vs-card.a1 ul,.vs-card.a1 li{color:#e8f1ee}
.factor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin:4px 0 16px}
.factor{background:#fff;border:1px solid #e0e7e5;border-radius:var(--radius);padding:17px;min-width:0}
.factor h3{font-size:16px;margin:0 0 5px!important}
.factor p{font-size:15px;line-height:1.6;color:var(--mut);margin:0!important}

/* call panel (mockup .cost-band pattern) */
.call-panel{background:var(--p);color:#fff;border-radius:var(--radius);padding:26px;margin-top:6px}
.call-panel h2{color:#fff;font-size:24px}
.call-panel p{color:#dbe9e4;max-width:64ch;margin-top:6px}
.call-panel .btn-call{margin-top:16px}

/* faq */
.faq-list{margin-top:18px;display:grid;gap:10px}
.faq-list details{background:#fff;border:1px solid #e0e7e5;border-radius:12px;padding:0 16px}
.faq-list summary{font-weight:700;font-size:15.5px;padding:15px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;min-height:44px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:20px;color:var(--a);font-weight:800;flex:none}
.faq-list details[open] summary::after{content:"-"}
#faq{padding-bottom:54px}
.faq-list details p{padding:0 0 16px;color:var(--mut);font-size:15.5px;line-height:1.65}
.faq-list details a{color:var(--p);font-weight:700}

/* cta band + footer */
.cta-band{background:var(--a);color:var(--onA)}
.cta-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:26px 0}
.cta-row h2{font-size:24px;color:inherit}
.cta-row p{opacity:.94;font-size:15px;margin-top:4px}
.cta-row .btn-call{background:#fff;color:var(--p)}
.m-foot{background:var(--p);color:#e8efee}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:22px;padding:32px 0 8px}
.m-foot h3{color:#fff;font-size:16px;margin-bottom:10px}
.m-foot p,.m-foot li{font-size:13.5px;line-height:1.6;opacity:.9}
.m-foot ul{margin:0;padding:0;list-style:none}
.m-foot li{padding:3px 0}
.m-foot a{color:#e8efee;text-decoration:none}
.foot-disc{border-top:1px solid rgba(255,255,255,.22);margin-top:20px;padding:16px 0 22px;font-size:12.5px;line-height:1.6;opacity:.85}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px}

/* sticky mobile call bar (mockup final: Call number + Services tab only) */
.sticky-bar{display:none}
@media (max-width:760px){
  body{padding-bottom:68px}
  .sticky-bar{display:flex;flex-direction:row;align-items:stretch;gap:8px;background:var(--p);padding:10px 12px calc(10px + env(safe-area-inset-bottom));position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -6px 16px rgba(10,25,35,.18)}
  .sticky-bar a{text-align:center;text-decoration:none;font-weight:800;border-radius:10px;min-height:48px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:15.5px;flex:1 1 auto;min-width:0;white-space:nowrap}
  .sticky-bar .sb-call{background:var(--a);color:var(--onA)}
  .sticky-bar .sb-services{flex:0 0 auto;background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.55);color:#fff;font-weight:800;font-size:15px;border-radius:10px;min-height:48px;padding:0 18px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-family:inherit}
  .inner{padding:0 16px}
  .m-head-row{flex-wrap:nowrap;row-gap:0;gap:8px;padding:11px 12px}
  .m-nav{display:none}
  .burger{display:inline-flex;order:3;margin-left:0;width:44px;height:44px}
  .logo{order:1;flex:1 1 auto;min-width:0;gap:8px}
  .logo-mark{width:34px;height:34px;border-radius:9px}
  .logo-txt{overflow:hidden}
  .logo-txt small{display:none}
  .logo-txt b{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .head-call{display:inline-flex;order:2;margin-left:auto;padding:10px 15px;font-size:14.5px;min-height:44px;border-radius:10px}
  .head-call .hc-num{display:none}
  .hero-grid{grid-template-columns:1fr;padding:26px 0 30px;gap:20px}
  .hero h1{font-size:28px}
  .hero-img img{max-height:230px}
  .trust-row{grid-template-columns:1fr 1fr}
  .sec{padding:38px 0 0}
  #faq{padding-bottom:38px}
  .sec h2{font-size:22px;scroll-margin-top:20px}
  .sec .answer,.sec .body p{font-size:17px;line-height:1.7}
  .glance-wrap{padding-top:18px}
  .glance{grid-template-columns:1fr;padding:18px}
  .glance .btn-call{justify-content:center}
  .toc-sticky{margin-top:18px}
  .toc-sticky a{padding:7px 4px}
  .compare-grid,.info-grid{grid-template-columns:1fr}
  .process-row{padding:15px 15px 15px 56px}
  .process-row::before{left:14px;top:15px}
  .svc-grid,.steps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:18px}
  .split img{max-height:230px}
  .signs,.vs,.factor-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}