/* ============================================================
   Denver Water Heater Service Center — Glendale, CO
   Design language: trade spec-sheet / hardware-catalog aesthetic.
   Palette: cool galvanized paper, slate ink, copper-pipe accent,
   steel-teal secondary. Hairline rules, not shadowed cards.
   ============================================================ */

:root{
  --paper:#EFF2F1;
  --paper-2:#E4E9E7;
  --ink:#182A33;
  --ink-70:#3F5561;
  --copper:#B5622C;
  --copper-dark:#8B4A20;
  --steel:#2F5C6B;
  --steel-light:#DCE7E8;
  --line:#B9C4C1;
  --line-soft:#D3DAD8;
  --white:#FFFFFF;
  --max:1120px;
  --radius:2px;
  --font-head:"Oswald",  "Arial Narrow", sans-serif;
  --font-body:"Public Sans", "Segoe UI", Arial, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}

a{color:var(--steel);text-decoration:none;}
a:hover{color:var(--copper-dark);text-decoration:underline;}

h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:600;
  line-height:1.15;
  color:var(--ink);
  margin:0 0 .5em;
  letter-spacing:.2px;
}
h1{font-size:clamp(2rem,4vw,3rem);font-weight:700;}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem);margin-top:2.2em;}
h3{font-size:1.28rem;margin-top:1.6em;}
h4{font-size:1.05rem;}

p{margin:0 0 1.05em;max-width:74ch;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;max-width:74ch;}
li{margin-bottom:.4em;}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:760px;}

:focus-visible{outline:3px solid var(--copper);outline-offset:2px;}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--ink);color:var(--white);
  padding:10px 16px;z-index:200;
}
.skip-link:focus{left:12px;top:12px;}

/* ---------- Top bar ---------- */
.topbar{
  background:var(--ink);color:#DCE7E8;font-size:.86rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:6px;
}
.topbar a{color:#DCE7E8;}
.topbar a:hover{color:#fff;}
.topbar .tb-phone{font-weight:600;color:var(--white);}
.topbar .tb-hours{opacity:.85;}

/* ---------- Header / Nav ---------- */
header.site-header{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:100;
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:40px;height:40px;flex-shrink:0;}
.brand-text{font-family:var(--font-head);font-weight:700;font-size:1.12rem;color:var(--ink);line-height:1.15;}
.brand-text small{display:block;font-family:var(--font-body);font-weight:400;font-size:.72rem;color:var(--ink-70);letter-spacing:.3px;}

nav.main-nav{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul{display:flex;gap:2px;margin:0;padding:0;list-style:none;align-items:center;}
nav.main-nav a{
  display:block;padding:10px 12px;color:var(--ink);font-weight:600;font-size:.94rem;border-radius:var(--radius);
}
nav.main-nav a:hover{color:var(--copper-dark);text-decoration:none;background:var(--paper-2);}

.has-drop{position:relative;}
.has-drop > a::after{content:"▾";font-size:.65em;margin-left:5px;position:relative;top:-1px;}
.dropdown{
  position:absolute;top:100%;left:0;background:var(--white);border:1px solid var(--line);
  min-width:290px;padding:8px;display:none;box-shadow:0 8px 18px rgba(20,35,42,.12);
}
.has-drop:hover .dropdown, .has-drop:focus-within .dropdown{display:block;}
.dropdown a{padding:9px 12px;font-size:.9rem;font-weight:500;}
.dropdown a:hover{background:var(--steel-light);}

.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.header-phone{font-family:var(--font-head);font-weight:700;font-size:1.15rem;color:var(--ink);white-space:nowrap;}
.header-phone span{display:block;font-family:var(--font-body);font-weight:400;font-size:.68rem;color:var(--ink-70);text-transform:none;}

.btn{
  display:inline-block;font-weight:700;font-family:var(--font-body);
  padding:11px 20px;border-radius:var(--radius);border:1px solid transparent;
  cursor:pointer;font-size:.94rem;text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-copper{background:var(--copper);color:var(--white);}
.btn-copper:hover{background:var(--copper-dark);color:var(--white);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--white);}
.btn-outline-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:var(--white);color:var(--ink);}
.btn-block{display:block;width:100%;text-align:center;}

.nav-toggle{display:none;background:none;border:1px solid var(--line);padding:9px 11px;border-radius:var(--radius);}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:22px;height:2px;background:var(--ink);position:relative;
}
.nav-toggle span::before{content:"";position:absolute;top:-7px;width:22px;height:2px;background:var(--ink);}
.nav-toggle span::after{content:"";position:absolute;top:7px;width:22px;height:2px;background:var(--ink);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:.84rem;color:var(--ink-70);padding:14px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:6px;}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--line);}
.breadcrumb a{color:var(--steel);}
.breadcrumb li[aria-current]{color:var(--ink-70);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--paper);border-bottom:4px solid var(--copper);}
.hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:60px;}
.hero-schematic{position:absolute;inset:0;opacity:.16;z-index:1;}
.hero-eyebrow{color:var(--copper);font-family:var(--font-head);font-weight:600;font-size:1rem;margin-bottom:10px;}
.hero h1{color:var(--white);max-width:18ch;}
.hero .lede{color:#C9D8D6;font-size:1.15rem;max-width:56ch;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);}
.hero-badges div{font-size:.86rem;color:#C9D8D6;}
.hero-badges strong{display:block;color:var(--white);font-family:var(--font-head);font-size:1.3rem;}

.page-hero{background:var(--ink);color:var(--paper);padding:38px 0 34px;border-bottom:4px solid var(--copper);}
.page-hero h1{color:var(--white);}
.page-hero .lede{color:#C9D8D6;max-width:62ch;font-size:1.05rem;margin-bottom:0;}

/* ---------- Sections ---------- */
section{padding:56px 0;}
section.tight{padding:38px 0;}
.section-divider{border:0;border-top:1px solid var(--line);margin:0;}
.bg-panel{background:var(--paper-2);}
.bg-steel{background:var(--steel-light);}
.bg-ink{background:var(--ink);color:#DCE7E8;}
.bg-ink h2,.bg-ink h3{color:var(--white);}

.section-head{max-width:660px;margin-bottom:32px;}
.section-head p{color:var(--ink-70);}
.kicker{font-family:var(--font-head);color:var(--copper-dark);font-weight:600;font-size:.95rem;margin-bottom:6px;display:block;}

/* ---------- Grid / cols ---------- */
.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

/* ---------- Service tiles (flat, bordered, not shadow-cards) ---------- */
.tile{
  border:1px solid var(--line);padding:22px 20px;background:var(--white);
}
.tile .tile-icon{width:34px;height:34px;margin-bottom:12px;color:var(--copper);}
.tile h3{margin-top:0;font-size:1.08rem;}
.tile p{color:var(--ink-70);font-size:.95rem;margin-bottom:.6em;}
.tile a.more{font-weight:700;font-size:.88rem;}

/* ---------- Numbered process (only used for real sequences) ---------- */
.process{list-style:none;padding:0;margin:0;counter-reset:step;border-top:1px solid var(--line);}
.process li{
  counter-increment:step;padding:20px 0 20px 58px;position:relative;
  border-bottom:1px solid var(--line);margin-bottom:0;
}
.process li::before{
  content:counter(step);position:absolute;left:0;top:18px;
  width:36px;height:36px;border:2px solid var(--copper);color:var(--copper-dark);
  font-family:var(--font-head);font-weight:700;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;
}
.process h4{margin:0 0 4px;}
.process p{margin:0;color:var(--ink-70);font-size:.96rem;}

/* ---------- Spec table ---------- */
table.spec{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.95rem;}
table.spec caption{text-align:left;font-weight:700;font-family:var(--font-head);margin-bottom:8px;font-size:1.02rem;}
table.spec th,table.spec td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;}
table.spec thead th{background:var(--ink);color:var(--white);font-family:var(--font-head);font-weight:600;}
table.spec tbody tr:nth-child(even){background:var(--paper-2);}
.table-scroll{overflow-x:auto;}
.note-line{font-size:.86rem;color:var(--ink-70);border-left:3px solid var(--copper);padding:4px 0 4px 14px;margin:18px 0;}

/* ---------- Signs / checklist ---------- */
.checklist{list-style:none;padding:0;margin:0;}
.checklist li{
  padding:10px 0 10px 30px;position:relative;border-bottom:1px solid var(--line-soft);
}
.checklist li::before{content:"";position:absolute;left:0;top:16px;width:10px;height:10px;background:var(--copper);}
.checklist li:last-child{border-bottom:none;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  cursor:pointer;font-family:var(--font-head);font-weight:600;padding:18px 4px;font-size:1.05rem;
  list-style:none;position:relative;padding-right:30px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:4px;top:16px;font-size:1.4rem;color:var(--copper);}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-a{padding:0 4px 20px;color:var(--ink-70);}
.faq-item .faq-a p:last-child{margin-bottom:0;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--copper);color:var(--white);text-align:left;}
.cta-band h2{color:var(--white);margin-top:0;}
.cta-band p{color:#FBE9DC;}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
.cta-band .btn-outline-light{border-color:rgba(255,255,255,.7);color:var(--white);}
.cta-band .btn-outline-light:hover{background:var(--white);color:var(--copper-dark);}

/* ---------- Neighborhood chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0;}
.chip-row li{border:1px solid var(--line);padding:8px 14px;font-size:.9rem;background:var(--white);}
.chip-row a{font-weight:600;}

/* ---------- Map + contact ---------- */
.map-frame{border:1px solid var(--line);height:340px;width:100%;filter:grayscale(15%);}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr;}}
.info-panel{border:1px solid var(--line);padding:26px;background:var(--white);}
.info-panel dt{font-family:var(--font-head);font-weight:600;color:var(--ink-70);font-size:.82rem;margin-top:16px;}
.info-panel dt:first-child{margin-top:0;}
.info-panel dd{margin:2px 0 0;font-size:1.02rem;}

/* ---------- Form ---------- */
form.quote-form{border:1px solid var(--line);background:var(--white);padding:26px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);background:var(--paper);
  font-family:var(--font-body);font-size:1rem;color:var(--ink);
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{background:var(--white);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:520px){.two-col{grid-template-columns:1fr;}}
.form-note{font-size:.82rem;color:var(--ink-70);}

/* ---------- Testimonial / trust strip (no fabricated names avoided; used generically) ---------- */
.trust-strip{display:flex;gap:34px;flex-wrap:wrap;align-items:center;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;}
.trust-item{font-size:.92rem;color:var(--ink-70);display:flex;align-items:center;gap:10px;}
.trust-item strong{color:var(--ink);font-family:var(--font-head);font-size:1rem;}

/* ---------- Blog ---------- */
.post-card{border-bottom:1px solid var(--line);padding:26px 0;}
.post-card h3{margin-top:0;}
.post-meta{font-size:.84rem;color:var(--ink-70);margin-bottom:8px;}
article.post-body h2{margin-top:1.8em;}
article.post-body{max-width:720px;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--ink);color:#B9C9C8;padding:50px 0 0;font-size:.92rem;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px;}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:var(--white);font-size:.92rem;text-transform:none;letter-spacing:.3px;margin-bottom:14px;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid li{margin-bottom:9px;}
footer a{color:#B9C9C8;}
footer a:hover{color:var(--white);}
.footer-brand p{color:#93A7A6;max-width:32ch;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:.82rem;color:#7E9291;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.footer-bottom a{color:#93A7A6;}

/* ---------- Sticky mobile call bar ---------- */
.mobile-call-bar{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:150;
  background:var(--ink);border-top:2px solid var(--copper);
}
.mobile-call-bar a{
  display:block;text-align:center;color:var(--white);font-weight:700;padding:13px 0;font-family:var(--font-head);font-size:1.05rem;
}

@media(max-width:880px){
  nav.main-nav{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--paper);padding:90px 24px 24px;display:none;overflow-y:auto;}
  nav.main-nav.open{display:block;}
  nav.main-nav>ul{flex-direction:column;align-items:stretch;gap:0;}
  nav.main-nav a{padding:14px 6px;border-bottom:1px solid var(--line-soft);}
  .dropdown{position:static;display:block;border:none;padding-left:14px;min-width:0;box-shadow:none;}
  .has-drop > a::after{display:none;}
  .nav-toggle{display:block;}
  .header-phone{display:none;}
  .header-cta .btn{display:none;}
  .mobile-call-bar{display:block;}
  body{padding-bottom:54px;}
  .contact-grid,.grid-2{grid-template-columns:1fr;}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}