/* ==========================================================================
   Water Heater Repair Pros — Brambleton, VA
   Design language: a utility spec-plate. Copper + steel against a cool
   paper ground, condensed industrial display type over a plain-spoken
   body face, hairline dividers, square-cornered "tag" buttons.
   ========================================================================== */

:root {
  --ink: #1c2622;
  --ink-soft: #4b544f;
  --paper: #eff1ee;
  --panel: #e4e2d6;
  --panel-line: #c9c6b6;
  --copper: #a35a2c;
  --copper-dark: #7e441f;
  --steel: #33545c;
  --steel-light: #4f747c;
  --alert: #8f3628;
  --alert-dark: #6f2a20;
  --white: #fbfaf6;

  --font-display: "Palatino Linotype", "Book Antiqua", Palatino, "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --measure: 66ch;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--copper-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--copper); }

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
  letter-spacing: 0;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.15rem; font-weight: 700; }

p { margin: 0 0 1.1em; max-width: var(--measure); }
.lede { font-size: 1.15rem; color: var(--ink-soft); }

ul, ol { padding-left: 1.3em; margin: 0 0 1.2em; }
li { margin-bottom: 0.5em; max-width: var(--measure); }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.hr {
  border: none;
  border-top: 1px solid var(--panel-line);
  margin: 0;
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 10px 18px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- utility topbar ---------- */
.topbar {
  background: var(--ink);
  color: #cfd4cd;
  font-size: 0.85rem;
}
.topbar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  justify-content: space-between;
  padding: 8px 28px;
}
.topbar a { color: #fff; text-decoration: none; }
.topbar a:hover { color: var(--copper); }
.topbar__badges { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--panel-line);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 28px;
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand__mark { flex: none; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  line-height: 1.05;
}
.brand__name span { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.62rem; color: var(--ink-soft); letter-spacing: 0.04em; }

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav__link {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.98rem;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}
.nav__link:hover { border-bottom-color: var(--copper); color: var(--ink); }

.nav__dropdown { position: relative; }
.nav__dropdown-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--panel-line);
  min-width: 260px;
  padding: 6px 0;
  box-shadow: 0 10px 24px rgba(28,38,34,0.14);
}
.nav__dropdown:hover .nav__dropdown-panel,
.nav__dropdown:focus-within .nav__dropdown-panel { display: block; }
.nav__dropdown-panel a {
  display: block;
  padding: 10px 16px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.94rem;
  border-left: 3px solid transparent;
}
.nav__dropdown-panel a:hover { border-left-color: var(--copper); background: var(--panel); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--panel-line);
  padding: 8px 10px;
  cursor: pointer;
}
.menu-toggle svg { display: block; }
@media (min-width: 881px) { .menu-toggle { display: none !important; } }

/* ---------- buttons / tags ---------- */
.tag-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 13px 22px;
  border: 2px solid transparent;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.tag-btn--copper { background: var(--copper); color: var(--white); border-color: var(--copper); }
.tag-btn--copper:hover { background: var(--copper); border-color: var(--copper); color: var(--white); transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--ink); }
.tag-btn--alert { background: var(--alert); color: var(--white); border-color: var(--alert); }
.tag-btn--alert:hover { background: var(--alert); border-color: var(--alert); color: var(--white); transform: translate(-2px,-2px); box-shadow: 4px 4px 0 var(--ink); }
.tag-btn--outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.tag-btn--outline:hover { background: var(--ink); color: var(--white); }
.tag-btn--sm { padding: 9px 16px; font-size: 0.9rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 8px; }

/* ---------- hero ---------- */
.hero {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--panel-line);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero__eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--steel);
  font-size: 0.92rem;
  margin-bottom: 14px;
}
.hero__diagram { justify-self: center; max-width: 320px; width: 100%; }
.hero__diagram svg { width: 100%; height: auto; display: block; }

/* ---------- spec-sheet section layout ---------- */
.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--panel-line);
}
.section--panel { background: var(--panel); }
.section__grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
}
.section__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--steel);
  border-left: 3px solid var(--copper);
  padding-left: 14px;
  align-self: start;
  position: sticky;
  top: 90px;
}
.section__body { min-width: 0; }

/* ---------- cards ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.plate {
  border: 1px solid var(--panel-line);
  background: var(--white);
  padding: 22px 24px;
}
.plate h3 { margin-bottom: 8px; }
.plate p:last-child { margin-bottom: 0; }

.service-card {
  border: 1px solid var(--panel-line);
  background: var(--white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.12s ease, transform 0.12s ease;
}
.service-card:hover { border-color: var(--copper); transform: translateY(-2px); }
.service-card__tag {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--steel);
  border: 1px solid var(--steel);
  padding: 3px 8px;
}
.service-card h3 { color: var(--ink); margin-bottom: 2px; }
.service-card p { color: var(--ink-soft); margin-bottom: 0; font-size: 0.96rem; }
.service-card__link { margin-top: auto; font-family: var(--font-body); font-weight: 700; font-size: 0.92rem; color: var(--copper-dark); }

/* ---------- stat band (dark, for visual rhythm break) ---------- */
.stat-band { background: var(--ink); color: var(--white); }
.stat-band h2 { color: var(--white); }
.stat-band .section__label { color: #9fb0a6; border-left-color: var(--copper); }
.stat-band p.lede-alt { color: #c7ccc4; max-width: var(--measure); }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #3a453f;
  margin-top: 26px;
  border: 1px solid #3a453f;
}
.stat-card { background: var(--ink); padding: 22px 20px; }
.stat-card__num { font-family: var(--font-display); font-size: 2.1rem; font-weight: 700; color: var(--copper); display: block; line-height: 1; margin-bottom: 8px; }
.stat-card__label { font-size: 0.92rem; color: #c7ccc4; }

/* ---------- trust strip ---------- */
.trust-strip { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 22px; }
.trust-strip span { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--ink-soft); }
.trust-strip svg { flex: none; color: var(--copper); }

/* ---------- checklist / signs list ---------- */
.sign-list { list-style: none; padding: 0; margin: 0; }
.sign-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--panel-line);
  max-width: none;
}
.sign-list li:last-child { border-bottom: 1px solid var(--panel-line); }
.sign-list__mark {
  display: block;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  background: var(--copper);
  transform: rotate(45deg);
  color: transparent;
  font-size: 0;
  line-height: 0;
}
.sign-list strong { color: var(--ink); }

/* ---------- steps (genuinely sequential) ---------- */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--panel-line);
  max-width: none;
}
.steps li:last-child { border-bottom: 1px solid var(--panel-line); }
.steps li::before {
  content: counter(step);
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--white);
  background: var(--steel);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- faq (native accordion) ---------- */
.faq-list { border-top: 1px solid var(--panel-line); }
.faq-item { border-bottom: 1px solid var(--panel-line); padding: 4px 0; }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--copper);
  transition: transform 0.15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 0 0 18px; color: var(--ink-soft); max-width: var(--measure); }

/* ---------- area chips ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid var(--panel-line);
  background: var(--white);
  padding: 8px 14px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------- emergency banner ---------- */
.emergency-banner {
  background: var(--alert);
  color: var(--white);
}
.emergency-banner .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 28px;
}
.emergency-banner p { margin: 0; max-width: none; color: var(--white); }
.emergency-banner a.tag-btn { background: var(--white); color: var(--alert-dark); border-color: var(--white); }
.emergency-banner a.tag-btn:hover { background: var(--paper); }

/* ---------- cross-links ---------- */
.crosslinks { display: flex; flex-wrap: wrap; gap: 14px 28px; }
.crosslinks a { font-family: var(--font-body); font-weight: 700; font-size: 0.98rem; }

/* ---------- breadcrumb ---------- */
.breadcrumb { font-size: 0.86rem; color: var(--ink-soft); padding: 16px 0 0; }
.breadcrumb a { color: var(--ink-soft); }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #d9ddd7; padding: 52px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid #3a453f;
}
.footer-grid h3 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.site-footer a { color: #c7ccc4; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 9px; }
.footer-brand__name { font-family: var(--font-display); color: #fff; font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.footer-brand p { color: #b7bcb3; max-width: 32ch; font-size: 0.95rem; }
.footer-disclaimer {
  font-size: 0.82rem;
  line-height: 1.6;
  color: #b7bcb3;
  padding: 22px 0;
  max-width: none;
}
.footer-bottom {
  border-top: 1px solid #3a453f;
  padding: 18px 0 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  font-size: 0.84rem;
  color: #9aa097;
}
.footer-bottom a { color: #9aa097; }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .header-cta .tag-btn--outline { display: none; }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    border: 1px solid var(--panel-line);
    background: var(--white);
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--panel-line);
    padding: 6px 28px 16px;
  }
  .site-header.nav-open .nav { display: flex; }
  .nav__link { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--panel-line); }
  .nav__dropdown { width: 100%; }
  .nav__dropdown-panel {
    display: none;
    position: static;
    border: none;
    box-shadow: none;
    padding: 0 0 8px 14px;
    background: transparent;
  }
  .site-header.nav-open .nav__dropdown.open .nav__dropdown-panel { display: block; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__diagram { order: -1; max-width: 320px; }
  .section__grid { grid-template-columns: 1fr; }
  .section__label { position: static; border-left: none; border-top: 3px solid var(--copper); padding-left: 0; padding-top: 8px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .topbar .wrap { padding: 8px 18px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  body { font-size: 16px; }
  .site-header__bar { padding: 14px 18px; flex-wrap: wrap; row-gap: 10px; }
  .brand__name span { display: none; }
  .header-cta { flex-wrap: wrap; justify-content: flex-end; }
  .wrap { padding: 0 18px; }
}