:root {
  --paper: #f5f0e7;
  --paper-deep: #e9e0d3;
  --ink: #14233a;
  --muted: #5b6470;
  --copper: #a94f35;
  --coral: #d96f55;
  --line: #d4c9ba;
  --white: #fffdf8;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --measure: 72rem;
  --reading: 46rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(20,35,58,.025) 1px, transparent 1px) 50% 0 / 5rem 5rem,
    var(--paper);
  color: var(--ink);
  font: 1rem/1.65 var(--sans);
  text-rendering: optimizeLegibility;
}
a { color: var(--copper); text-underline-offset: .18em; }
a:hover { color: #7d3828; }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.skip-link {
  position: absolute; left: 1rem; top: -5rem; z-index: 100;
  padding: .7rem 1rem; background: var(--ink); color: white;
}
.skip-link:focus { top: 1rem; }
.site-header { border-top: .28rem solid var(--ink); border-bottom: 1px solid var(--line); background: rgba(245,240,231,.97); }
.header-inner, .wrap { width: min(calc(100% - 2rem), var(--measure)); margin-inline: auto; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 5rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--ink); text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.brand-mark { width: 2.1rem; height: 2.1rem; border: 2px solid var(--copper); display: grid; place-items: center; transform: rotate(-3deg); font: 700 1.15rem var(--serif); }
.site-nav { display: flex; gap: 1.4rem; align-items: center; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: .94rem; }
.site-nav a:hover { color: var(--copper); }
.site-nav .nav-cta { border-bottom: 2px solid var(--copper); font-weight: 750; padding-bottom: .2rem; }
.nav-toggle { display: none; border: 1px solid var(--line); background: transparent; padding: .45rem .7rem; color: var(--ink); }
main { min-height: 60vh; }
.hero { padding: clamp(4rem, 9vw, 8rem) 0 4.5rem; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(17rem, .65fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: end; }
.hero-grid > .notice { grid-column: 1 / -1; margin-bottom: 0; }
.hero-brief { border-top: 4px solid var(--copper); border-bottom: 1px solid var(--line); padding: 1.4rem 0 1.1rem; }
.hero-brief h2 { font-size: clamp(1.45rem, 2.5vw, 2rem); }
.hero-brief ol { margin: 1.2rem 0 0; padding-left: 1.35rem; }
.hero-brief li { padding: .45rem 0 .45rem .35rem; border-top: 1px solid var(--line); }
.eyebrow { color: var(--copper); font-weight: 750; letter-spacing: .12em; text-transform: uppercase; font-size: .76rem; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.08; letter-spacing: -.025em; text-wrap: balance; }
h1 { max-width: 14ch; margin: .55rem 0 1.25rem; font-size: clamp(2.8rem, 7vw, 5.8rem); }
h2 { margin: 0 0 1rem; font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.45rem; }
.lede { max-width: 45rem; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.hero-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button {
  display: inline-flex; justify-content: center; align-items: center; min-height: 3rem;
  padding: .65rem 1.05rem; border: 1px solid var(--ink); background: var(--ink);
  color: var(--white); text-decoration: none; font-weight: 700; cursor: pointer;
}
.button:hover { color: white; background: #243752; }
.button-secondary { background: transparent; color: var(--ink); }
.button-secondary:hover { background: var(--paper-deep); color: var(--ink); }
.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, 30rem); gap: 2rem; align-items: end; margin-bottom: 2.2rem; }
.section-head p { color: var(--muted); margin: 0; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: rgba(245,240,231,.96); padding: 1.6rem; transition: background-color .18s ease, transform .18s ease; }
.card:hover { background: var(--white); transform: translateY(-2px); }
.card h3 { margin: .25rem 0 .7rem; }
.card p { color: var(--muted); }
.card-link { color: var(--ink); font-weight: 750; }
.number { color: var(--copper); font: 500 2.2rem var(--serif); }
.notice { border-left: .3rem solid var(--copper); background: var(--white); padding: 1.2rem 1.35rem; margin: 2rem 0; }
.notice strong { display: block; margin-bottom: .25rem; }
.page-head { padding: 4rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
.breadcrumbs { font-size: .86rem; color: var(--muted); margin-bottom: 1.25rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; padding: 0; margin: 0; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: #938b81; }
.content-layout { display: grid; grid-template-columns: minmax(0, var(--reading)) minmax(14rem, 20rem); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.prose { font-size: 1.06rem; }
.prose h2 { margin-top: 2.6rem; font-size: 2rem; }
.prose h3 { margin-top: 2rem; }
.prose p, .prose li { max-width: 68ch; }
.prose li + li { margin-top: .45rem; }
.meta { color: var(--muted); font-size: .9rem; }
.answer { font: 500 clamp(1.35rem, 3vw, 1.8rem)/1.35 var(--serif); border-block: 1px solid var(--line); padding: 1.3rem 0; }
.sidebar { border-top: 3px solid var(--ink); padding-top: 1rem; position: sticky; top: 1rem; }
.sidebar h2 { font: 750 .78rem var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.sidebar ul { list-style: none; padding: 0; }
.sidebar li { border-top: 1px solid var(--line); padding: .65rem 0; }
.faq details { border-top: 1px solid var(--line); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 750; }
.quote-band { background: var(--ink); color: var(--white); }
.quote-band .section-head p, .quote-band a { color: #e6d9cb; }
.quote-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field-full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: .9rem; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #667183; background: #fffdf8; color: var(--ink); padding: .72rem; border-radius: 0; }
.consent { display: flex; align-items: flex-start; gap: .7rem; font-size: .9rem; }
.consent input { flex: 0 0 auto; margin-top: .35rem; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.quote-form button:disabled { cursor: wait; opacity: .65; }
.form-note, .form-status { grid-column: 1 / -1; font-size: .86rem; color: #d9dce2; margin: 0; }
.form-status { font-weight: 700; }
.source-list { padding-left: 1.2rem; }
.source-list li + li { margin-top: .6rem; }
.installer-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.75rem 0; }
.installer-card { display: flex; flex-direction: column; min-width: 0; padding: 1.35rem; border: 1px solid var(--line); border-top: 4px solid var(--ink); background: var(--white); }
.installer-number { margin: 0 0 .75rem; color: var(--copper); font: 750 .76rem var(--sans); letter-spacing: .12em; }
.installer-card h3 { margin: 0 0 .75rem; font-size: 1.65rem; }
.installer-card h3 a { color: var(--ink); }
.installer-card p { margin: .4rem 0; }
.installer-coverage { display: grid; gap: .15rem; padding-bottom: .8rem; border-bottom: 1px solid var(--line); color: var(--muted); }
.installer-coverage strong { color: var(--ink); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.installer-contact { margin: 1rem 0 1.25rem; border-top: 1px solid var(--line); }
.installer-contact div { padding: .7rem 0; border-bottom: 1px solid var(--line); }
.installer-contact dt { color: var(--muted); font-size: .74rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.installer-contact dd { margin: .2rem 0 0; overflow-wrap: anywhere; font-weight: 650; }
.installer-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: auto; padding-top: .4rem; }
.button-small { min-height: 2.55rem; padding: .45rem .75rem; font-size: .86rem; }
.calculator-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.calculator { border-top: 4px solid var(--copper); }
.calculator-intro { padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.calculator-intro h2 { font-size: 2rem; }
.calculator-intro p { margin-bottom: 0; color: var(--muted); }
.calc-field { display: grid; gap: .55rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.calc-field label { font-weight: 750; }
.calc-field small { color: var(--muted); }
.input-unit { display: grid; grid-template-columns: minmax(0, 10rem) auto; align-items: center; gap: .75rem; }
.input-unit input { width: 100%; border: 1px solid var(--ink); background: var(--white); color: var(--ink); padding: .7rem; font: 700 1.2rem var(--sans); border-radius: 0; }
.input-unit span { color: var(--muted); font-weight: 700; }
.calc-field-range input { width: 100%; accent-color: var(--copper); }
.calc-field output { color: var(--copper); }
.calculator-results { position: sticky; top: 1rem; background: var(--ink); color: var(--white); padding: clamp(1.5rem, 4vw, 2.5rem); }
.calculator-results .eyebrow { color: #efad98; }
.result-primary { display: grid; gap: .3rem; padding: 1.2rem 0 1.5rem; border-bottom: 1px solid #536076; }
.result-primary > span { color: #d9dce2; }
.result-primary strong { font: 500 clamp(2.8rem, 7vw, 5rem)/1 var(--serif); letter-spacing: -.04em; }
.result-primary small { color: #d9dce2; }
.result-grid { margin: 0; }
.result-grid div { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid #536076; }
.result-grid dt { color: #d9dce2; }
.result-grid dd { margin: 0; font-weight: 750; }
.result-formula { color: #d9dce2; font-size: .84rem; margin: 1.2rem 0 0; }
.site-footer { border-top: 1px solid var(--line); padding: 3.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.footer-grid h2 { font: 750 .78rem var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.footer-grid ul { list-style: none; padding: 0; }
.footer-grid li + li { margin-top: .4rem; }
.footer-small { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.2rem; color: var(--muted); font-size: .82rem; }
.tag { color: var(--copper); font-size: .78rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.empty { padding: 2rem; border: 1px solid var(--line); }

@media (max-width: 780px) {
  .header-inner { min-height: 4.3rem; }
  .nav-toggle { display: none; }
  .site-nav { flex-direction: column; align-items: flex-start; padding-block: .75rem; }
  .js .nav-toggle { display: inline-block; }
  .js .site-nav { display: none; position: absolute; inset: 4.58rem 0 auto; background: var(--paper); border-bottom: 1px solid var(--line); padding: 1rem; z-index: 10; }
  .js .site-nav[data-open="true"] { display: flex; }
  .section-head, .content-layout, .footer-grid, .hero-grid, .calculator-layout, .installer-list { grid-template-columns: 1fr; }
  .hero-grid > .notice { grid-column: auto; }
  .grid { grid-template-columns: 1fr; }
  .sidebar, .calculator-results { position: static; }
}
@media (max-width: 560px) {
  .quote-form { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  h1 { font-size: 2.75rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}