/* Brighton Furnace & Air — mobile-first, no frameworks */
:root {
  --navy: #14304f;
  --navy-dark: #0d2136;
  --orange: #e8791d;
  --orange-dark: #c96410;
  --ink: #222831;
  --muted: #5a6472;
  --bg: #ffffff;
  --bg-soft: #f4f6f8;
  --border: #dde3e9;
  --max: 980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  /* room for the fixed call bar on phones */
  padding-bottom: 64px;
}
@media (min-width: 768px) {
  body { padding-bottom: 0; }
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 18px; }

h1, h2, h3 { line-height: 1.25; color: var(--navy); }
h1 { font-size: 1.7rem; margin: 0.4em 0; }
h2 { font-size: 1.35rem; margin-top: 1.8em; }
h3 { font-size: 1.1rem; margin-top: 1.4em; }
@media (min-width: 768px) {
  h1 { font-size: 2.3rem; }
  h2 { font-size: 1.6rem; }
}
p, li { color: var(--ink); }
a { color: var(--navy); }
img { max-width: 100%; height: auto; }

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
  padding: 10px 0;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.05rem; color: #fff; text-decoration: none; }
.brand span { color: var(--orange); }
.header-phone {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  background: var(--orange);
  padding: 8px 14px;
  border-radius: 6px;
  white-space: nowrap;
}
.header-phone:hover { background: var(--orange-dark); }

/* Nav */
.site-nav { background: var(--navy-dark); }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.site-nav a {
  display: block;
  color: #cfd8e3;
  text-decoration: none;
  padding: 9px 11px;
  font-size: 0.86rem;
}
.site-nav a:hover, .site-nav a.active { color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 34px 0 40px;
}
.hero h1 { color: #fff; }
.hero p { color: #dbe3ec; max-width: 640px; font-size: 1.05rem; }
.hero .tagline { color: var(--orange); font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; font-size: 0.8rem; margin: 0; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
  border: 0;
  cursor: pointer;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); }
.btn-outline { border: 2px solid #fff; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* Trust bar */
.trust {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.trust ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  justify-content: center;
  font-size: 0.88rem;
  color: var(--muted);
}
.trust li::before { content: "✓ "; color: var(--orange); font-weight: 700; }

/* Content */
main { padding: 10px 0 30px; }
.content h2 { border-bottom: 2px solid var(--bg-soft); padding-bottom: 6px; }
.lead { font-size: 1.08rem; }

/* Info cards */
.cards { display: grid; gap: 14px; grid-template-columns: 1fr; margin: 20px 0; padding: 0; list-style: none; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.cards li {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}
.cards li strong { color: var(--navy); display: block; margin-bottom: 4px; }

/* Tables */
.table-scroll { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; min-width: 480px; font-size: 0.95rem; }
th, td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--navy); color: #fff; }
tr:nth-child(even) td { background: var(--bg-soft); }

/* FAQ */
.faq details {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 10px 0;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  padding: 14px 16px;
  list-style-position: outside;
}
.faq details > div { padding: 0 16px 14px; }

/* Callout */
.callout {
  background: #fdf3e7;
  border-left: 4px solid var(--orange);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 22px 0;
}
.callout strong { color: var(--navy); }

/* Contact / form */
.contact-band {
  background: var(--navy);
  color: #fff;
  padding: 34px 0 40px;
  margin-top: 36px;
}
.contact-band h2 { color: #fff; border: 0; }
.contact-band p { color: #dbe3ec; }
.lead-form { max-width: 560px; }
.lead-form label { display: block; font-weight: 600; margin: 14px 0 4px; font-size: 0.95rem; }
.lead-form input[type="text"],
.lead-form input[type="tel"],
.lead-form textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #4a5d75;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
.lead-form textarea { min-height: 90px; resize: vertical; }
.check-row { display: flex; align-items: center; gap: 10px; margin: 16px 0; font-weight: 600; }
.check-row input { width: 20px; height: 20px; accent-color: var(--orange); }
.lead-form .btn { margin-top: 6px; width: 100%; }
@media (min-width: 640px) { .lead-form .btn { width: auto; } }
.form-msg { margin-top: 14px; font-weight: 600; display: none; }
.form-msg.ok { display: block; color: #9fe3b0; }
.form-msg.err { display: block; color: #ffb3a7; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #aebbca;
  padding: 26px 0 30px;
  font-size: 0.9rem;
}
.site-footer a { color: #cfd8e3; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-top: 18px; }
.footer-cols { display: grid; gap: 8px 30px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .footer-cols { grid-template-columns: 1fr 1fr 1fr; } }
.footer-cols ul { list-style: none; padding: 0; margin: 0; }
.footer-cols li { margin: 4px 0; }
.fineprint { margin-top: 20px; border-top: 1px solid #2a4059; padding-top: 14px; font-size: 0.8rem; }

/* Mobile sticky call bar */
.call-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
}
.call-bar a {
  flex: 1;
  text-align: center;
  padding: 15px 8px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}
.call-bar .call { background: var(--orange); color: #fff; }
.call-bar .quote { background: var(--navy); color: #fff; }
@media (min-width: 768px) { .call-bar { display: none; } }