/* ==========================================================================
   Denver Water Heater Service Center — stylesheet
   Design concept: "field schematic" — the visual language of a service
   technician's spec sheet & pipe diagram, rendered in copper, ink and mist.
   ========================================================================== */

:root {
  --ink: #101b26;
  --ink-soft: #1c2c3d;
  --slate: #3e5163;
  --slate-light: #6b7f92;
  --copper: #b5602f;
  --copper-dark: #8f4a24;
  --copper-light: #d98a55;
  --mist: #eef1f0;
  --mist-deep: #e2e7e5;
  --white: #ffffff;
  --teal: #276257;
  --line: #d7ddda;
  --warn: #9c3b2c;

  --font-head: 'Bitter', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Segoe UI', Arial, sans-serif;

  --radius: 3px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--copper-dark); text-decoration-thickness: 1px; }
a:hover { color: var(--copper); }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.2;
  font-weight: 600;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.05rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1.1em; max-width: 68ch; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: .45em; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }
.section--mist { background: var(--mist); }
.section--ink { background: var(--ink); color: #d9e0e6; }
.section--ink h2, .section--ink h3 { color: #fff; }
.section--ink a { color: var(--copper-light); }
.center { text-align: center; }
.lede { font-size: 1.15rem; color: var(--slate); max-width: 62ch; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 2px; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-body);
  font-weight: 700;
  padding: .85em 1.5em;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}
.btn--copper { background: var(--copper); color: #fff; }
.btn--copper:hover { background: var(--copper-dark); color: #fff; }
.btn--outline { border-color: currentColor; color: #fff; background: transparent; }
.btn--outline:hover { background: rgba(255,255,255,.12); color:#fff; }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-soft); color:#fff; }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--ink);
  color: #c9d3da;
  font-size: .88rem;
}
.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: #f2d9c4; }
.topbar__item { margin-right: 18px; }

/* ---------- Header ---------- */
header.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; }
.brand { display:flex; align-items:center; gap:12px; text-decoration:none; }
.brand__mark { width:44px; height:44px; 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 span { display:block; font-family: var(--font-body); font-weight:400; font-size:.72rem; color: var(--slate); letter-spacing:.02em; }

nav.primary-nav { display:flex; align-items:center; gap: 26px; }
nav.primary-nav > ul { list-style:none; display:flex; gap: 22px; margin:0; padding:0; }
nav.primary-nav a { color: var(--ink); font-weight:600; text-decoration:none; font-size:.98rem; }
nav.primary-nav a:hover { color: var(--copper); }
.has-drop { position: relative; }
.dropdown { display:none; position:absolute; top: 100%; left:0; background:#fff; border:1px solid var(--line); box-shadow: 0 12px 24px rgba(16,27,38,.12); min-width: 280px; padding: 10px; list-style:none; margin:0; border-radius: var(--radius);}
.has-drop:hover .dropdown, .has-drop:focus-within .dropdown { display:block; }
.dropdown li a { display:block; padding: 9px 10px; font-weight: 500; border-radius: 3px;}
.dropdown li a:hover { background: var(--mist); }
.header-cta { display:flex; align-items:center; gap:14px; }
.header-cta .phone { font-family: var(--font-head); font-weight:700; font-size: 1.15rem; color: var(--ink); text-decoration:none; white-space:nowrap;}
.header-cta .phone:hover{ color: var(--copper); }
.nav-toggle { display:none; }

@media (max-width: 940px) {
  nav.primary-nav > ul { display:none; }
  .nav-toggle { display:inline-flex; background:none; border:1px solid var(--line); border-radius:4px; padding:8px 10px; }
  .header-cta .btn span.long { display:none; }
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: .85rem; color: var(--slate-light); padding: 14px 0 0; }
.breadcrumbs a { color: var(--slate); }
.breadcrumbs ol { list-style:none; display:flex; flex-wrap:wrap; gap:6px; padding:0; margin:0; }
.breadcrumbs li:not(:last-child)::after { content:"/"; margin-left:6px; color: var(--line); }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 60px; background: linear-gradient(180deg, var(--mist) 0%, #fff 100%); position: relative; overflow:hidden;}
.hero .container { display:grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items:center; }
.hero h1 { margin-bottom: .4em; }
.hero .lede { margin-bottom: 1.4em; }
.hero__badges { display:flex; flex-wrap:wrap; gap: 10px 22px; margin: 22px 0 4px; padding:0; list-style:none; }
.hero__badges li { display:flex; align-items:center; gap:8px; font-weight:600; font-size:.92rem; color: var(--slate); }
.hero__badges svg { width:18px; height:18px; flex-shrink:0; color: var(--teal); }
.hero__ctas { display:flex; gap:14px; flex-wrap:wrap; margin-top: 22px; }
.hero__art { width:100%; }
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__art { order:-1; max-width: 320px; margin: 0 auto; }
}

/* ---------- Trust strip ---------- */
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background:#fff; padding: 18px 0; }
.trust-strip ul { list-style:none; display:flex; justify-content:center; gap: 34px; flex-wrap:wrap; margin:0; padding:0; font-family: var(--font-head); font-weight:600; color: var(--slate); font-size: .95rem;}

/* ---------- Cards / grids ---------- */
.grid { display:grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){ .grid--3, .grid--4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; } }

.card {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 26px; display:flex; flex-direction:column; gap:10px;
}
.card__icon { width:42px; height:42px; color: var(--copper); }
.card h3 { margin-bottom:.25em; font-size:1.15rem; }
.card p { margin-bottom: 0; font-size: .96rem; color: var(--slate); }
.card a.card-link { font-weight:700; font-size:.9rem; margin-top:auto; }

.service-card { border-left: 4px solid var(--copper); }

/* ---------- Process / steps ---------- */
.steps { counter-reset: step; list-style:none; padding:0; margin:0; display:grid; gap: 22px; }
.steps li { display:flex; gap:18px; align-items:flex-start; }
.steps li::before {
  counter-increment: step; content: counter(step);
  font-family: var(--font-head); font-weight:700; color: var(--copper);
  border: 2px solid var(--copper); border-radius: 50%;
  width:40px; height:40px; flex-shrink:0; display:flex; align-items:center; justify-content:center;
}
.steps h3 { margin-bottom:.2em; font-size:1.1rem; }
.steps p { margin-bottom:0; }

/* ---------- Two column content ---------- */
.split { display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* ---------- Blueprint divider ---------- */
.blueprint-rule { height: 2px; background: repeating-linear-gradient(90deg, var(--copper) 0 18px, transparent 18px 30px); margin: 8px 0 30px; opacity:.55;}

/* ---------- Lists with check icons ---------- */
.check-list { list-style:none; padding:0; margin:0 0 1.2em; display:grid; gap:10px; }
.check-list li { display:flex; gap:10px; align-items:flex-start; }
.check-list svg { width:20px; height:20px; flex-shrink:0; color: var(--teal); margin-top:2px; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-item summary { font-family: var(--font-head); font-weight:600; cursor:pointer; font-size:1.05rem; list-style:none; display:flex; justify-content:space-between; gap:16px; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"+"; font-size:1.4rem; color: var(--copper); flex-shrink:0; }
.faq-item[open] summary::after { content:"–"; }
.faq-item p { margin-top: 12px; color: var(--slate); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--copper); color:#fff; padding: 46px 0; text-align:center; }
.cta-band h2 { color:#fff; }
.cta-band p { color: #fbe6d7; margin: 0 auto 1.2em; }
.cta-band .btn--ink { background:#fff; color: var(--ink); }
.cta-band .btn--ink:hover { background: var(--ink); color:#fff; }

/* ---------- Testimonials ---------- */
.testimonial { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:24px; }
.testimonial p.quote { font-style: italic; color: var(--ink-soft); }
.testimonial .name { font-weight:700; font-size:.92rem; color: var(--slate); margin:0; }
.testimonial-note { font-size:.82rem; color: var(--slate-light); border-top:1px dashed var(--line); margin-top: 22px; padding-top: 12px; }

/* ---------- Area chips ---------- */
.chip-row { display:flex; flex-wrap:wrap; gap:10px; list-style:none; padding:0; margin: 16px 0; }
.chip-row a { display:inline-block; background: var(--mist); border:1px solid var(--line); padding:8px 16px; border-radius: 30px; font-weight:600; font-size:.9rem; color: var(--ink); text-decoration:none; }
.chip-row a:hover { background: var(--copper); color:#fff; border-color:var(--copper); }

/* ---------- Table ---------- */
table.spec { width:100%; border-collapse: collapse; margin: 1.4em 0; }
table.spec th, table.spec td { text-align:left; padding: 10px 14px; border: 1px solid var(--line); font-size:.95rem;}
table.spec th { background: var(--mist); font-family: var(--font-head); }

/* ---------- Form ---------- */
.form-grid { display:grid; gap: 16px; }
.form-grid label { display:block; font-weight:600; margin-bottom:6px; font-size:.92rem; }
.form-grid input, .form-grid select, .form-grid textarea {
  width:100%; padding: 11px 12px; border:1px solid var(--slate-light); border-radius: var(--radius); font-family: var(--font-body); font-size:1rem;
}
.form-grid textarea { min-height: 130px; }
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:600px){ .two-col{grid-template-columns:1fr;} }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--ink); color: #b9c4cd; padding: 56px 0 24px; }
footer.site-footer h4 { color:#fff; font-size:1rem; margin-bottom: 14px; }
footer.site-footer a { color:#b9c4cd; text-decoration:none; }
footer.site-footer a:hover { color: var(--copper-light); }
footer .grid { grid-template-columns: 1.4fr 1fr 1fr 1.1fr; }
@media (max-width: 860px){ footer .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ footer .grid { grid-template-columns: 1fr; } }
footer ul { list-style:none; padding:0; margin:0; display:grid; gap:8px; font-size:.92rem; }
.footer-bottom { border-top:1px solid #253444; margin-top:36px; padding-top:20px; font-size:.82rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; color:#7f8fa0; }

/* ---------- Sticky mobile call bar ---------- */
.mobile-call-bar { display:none; position:fixed; bottom:0; left:0; right:0; background: var(--ink); z-index:150; padding:10px 16px; }
.mobile-call-bar a { color:#fff; font-weight:700; display:flex; align-items:center; justify-content:center; gap:8px; text-decoration:none; }
@media (max-width: 720px){ .mobile-call-bar{ display:block; } body{ padding-bottom: 58px; } }

/* ---------- Utility ---------- */
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;} .text-slate{color:var(--slate);}
.small { font-size:.85rem; color: var(--slate-light); }