/* Texas Heat & Air — basic service site styles.
   Plain CSS, no framework. Mobile-first. */

:root {
  --navy: #0b2a5b;
  --navy-dark: #071d40;
  --red: #c8352a;
  --red-dark: #a82a21;
  --gold: #e8a33d;
  --ink: #1c2430;
  --muted: #5b6472;
  --line: #e3e7ee;
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --radius: 10px;
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}

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

a { color: var(--navy); }
a:hover { color: var(--red); }

h1, h2, h3 { line-height: 1.2; color: var(--navy); margin: 0 0 0.6em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.55rem; }
h3 { font-size: 1.2rem; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

section { padding: 52px 0; }
.section-soft { background: var(--bg-soft); }

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand img { height: 52px; width: auto; }
.main-nav { display: none; gap: 4px; margin-left: auto; }
.main-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
}
.main-nav a[aria-current="page"] { color: var(--navy); background: var(--bg-soft); }
.main-nav a:hover { color: var(--red); }
.header-contact { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.header-phone { font-weight: 800; color: var(--navy); text-decoration: none; font-size: 1.05rem; white-space: nowrap; }
.header-phone:hover { color: var(--red); }

.btn {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 8px;
  border: 0;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.2;
  text-align: center;
}
.btn:hover { background: var(--red-dark); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-navy { background: var(--navy); }
.btn-navy:hover { background: var(--navy-dark); }
.btn-call { white-space: nowrap; padding: 10px 18px; }

.nav-toggle {
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--navy);
}

/* Mobile dropdown nav */
@media (max-width: 759px) {
  .header-inner { flex-wrap: wrap; }
  .hero-media img { object-position: 22% center; }
  .main-nav.nav-open {
    display: flex;
    flex-direction: column;
    flex-basis: 100%;
    order: 5;
    border-top: 1px solid var(--line);
    padding: 8px 0 4px;
  }
}

/* Floating call button (mobile) */
.float-call {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--red);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  padding: 14px 22px 14px 18px;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0,0,0,.35);
}
.float-call:hover { background: var(--red-dark); color: #fff; }
.float-call svg { width: 20px; height: 20px; flex: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background: var(--navy-dark);
  overflow: hidden;
  padding: 0;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(7,29,64,0.92) 30%, rgba(7,29,64,0.55) 65%, rgba(7,29,64,0.25));
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 72px 20px;
  max-width: var(--max);
  margin: 0 auto;
}
.hero h1 { color: #fff; font-size: 2.2rem; max-width: 16em; }
.hero p.lede { font-size: 1.15rem; max-width: 34em; color: #eef1f6; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.hero .btn-outline { color: #fff; border-color: #fff; }
.hero .btn-outline:hover { background: #fff; color: var(--navy); }

/* ---------- Cards ---------- */
.cards { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 28px; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.card h3 { margin-bottom: 0.4em; }
.card p { color: var(--muted); margin: 0 0 1.1em; flex: 1; }

/* ---------- Trust / lists ---------- */
.trust-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.trust-list li { padding-left: 30px; position: relative; }
.trust-list li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 800; }
.two-col { display: grid; gap: 28px; grid-template-columns: 1fr; align-items: center; }
.two-col img { border-radius: var(--radius); }

.checklist { list-style: none; padding: 0; margin: 14px 0; display: grid; gap: 8px; }
.checklist li { padding-left: 28px; position: relative; }
.checklist li::before { content: "•"; position: absolute; left: 8px; color: var(--red); font-weight: 800; }

/* ---------- Reviews ---------- */
.review { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; max-width: 720px; }
.stars { color: var(--gold); font-size: 1.25rem; letter-spacing: 2px; }
.review footer { margin-top: 10px; font-weight: 700; color: var(--navy); }

/* ---------- Service area ---------- */
.area-list { columns: 2; column-gap: 32px; list-style: none; padding: 0; margin: 14px 0 0; }
.area-list li { padding: 4px 0; break-inside: avoid; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--navy); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #dbe3f0; }
.cta-band .hero-ctas { justify-content: center; }
.cta-band .btn-outline { color: #fff; border-color: #fff; background: transparent; }
.cta-band .btn-outline:hover { background: #fff; color: var(--navy); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color: #c9d3e4; padding: 44px 0; font-size: 0.95rem; }
.site-footer h3 { color: #fff; font-size: 1.05rem; }
.site-footer a { color: #eef1f6; }
.site-footer a:hover { color: var(--gold); }
.footer-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
.footer-bottom { margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.85rem; color: #93a1bb; }

/* ---------- Services page ---------- */
.service-block { border-top: 1px solid var(--line); padding: 44px 0; }
.service-block:first-of-type { border-top: 0; }
.service-block img { border-radius: var(--radius); margin-bottom: 20px; }
.anchor-offset { scroll-margin-top: 90px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
.contact-card { background: var(--bg-soft); border-radius: var(--radius); padding: 26px; }
.contact-card h2 { font-size: 1.15rem; margin-bottom: 0.3em; }
.contact-card p { margin: 0.2em 0; }
.contact-card a.big { font-size: 1.35rem; font-weight: 800; text-decoration: none; }

form.service-form { display: grid; gap: 14px; max-width: 640px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #b9c2d0;
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
.field textarea { min-height: 120px; resize: vertical; }
.field-row { display: grid; gap: 14px; grid-template-columns: 1fr; }
.hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.85rem; color: var(--muted); }
.form-ok, .form-err {
  border-radius: 8px; padding: 16px 18px; margin-bottom: 18px; font-weight: 600;
}
.form-ok { background: #e8f5e9; color: #1b5e20; border: 1px solid #a5d6a7; }
.form-err { background: #fdecea; color: #7f1d1d; border: 1px solid #f5c6c2; }

/* ---------- 404 ---------- */
.page-404 { text-align: center; padding: 90px 0; }
.page-404 h1 { font-size: 3rem; }

/* ---------- Desktop ---------- */
@media (min-width: 760px) {
  h1 { font-size: 2.6rem; }
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
  .header-contact { margin-left: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1.4fr; align-items: start; }
  .field-row { grid-template-columns: 1fr 1fr; }
  .area-list { columns: 3; }
  .float-call { display: none; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
@media (min-width: 1020px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
}

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

/* ---------- Reference design (2026-10-06) ---------- */

/* Top bar */
.topbar { background: var(--navy-dark); color: #fff; font-size: 0.85rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding-top: 8px; padding-bottom: 8px; }
.topbar-loc { display: inline-flex; align-items: center; gap: 6px; }
.topbar-nav { display: none; gap: 20px; }
.topbar-nav a { color: #fff; text-decoration: none; }
.topbar-nav a:hover { color: var(--gold); }
@media (min-width: 760px) { .topbar-nav { display: flex; } }

/* Header */
.site-header .brand img { width: 210px; height: auto; }
.main-nav a { text-decoration: none; color: var(--navy); font-weight: 600; padding: 6px 2px; }
.main-nav a:hover { color: var(--red); }
.main-nav a.active { border-bottom: 3px solid var(--red); }
.nav-drop { position: relative; }
.nav-drop > a { display: inline-block; }
.drop-menu { display: none; position: absolute; top: 100%; left: -12px; min-width: 230px; background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 10px 28px rgba(7,29,64,.14); padding: 8px; z-index: 60; }
.drop-menu a { display: block; padding: 9px 12px; border-bottom: 0; font-weight: 500; white-space: nowrap; }
.drop-menu a:hover { background: var(--bg-soft); }
.nav-drop:hover .drop-menu, .nav-drop:focus-within .drop-menu { display: block; }
.header-contact { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.header-phone { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.1rem; color: var(--navy); text-decoration: none; white-space: nowrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; justify-content: center; }
.btn-red { background: var(--red); color: #fff; border: 1px solid var(--red); }
.btn-red:hover { background: var(--red-dark); border-color: var(--red-dark); color: #fff; }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-block { display: flex; width: 100%; }

/* Hero (new) */
.hero-new .hero-panel { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; padding: 64px 20px; }
.hero-new .hero-panel > * { max-width: 600px; }
.eyebrow-gold { color: #f5b301; font-weight: 700; letter-spacing: .06em; font-size: .85rem; margin: 0 0 12px; }
.hero-new h1 { color: #fff; font-size: 2.6rem; margin-bottom: 14px; }
.hero-rule { width: 64px; height: 5px; background: var(--red); margin: 0 0 18px; border: 0; }
.hero-new .lede { color: #eef1f6; font-size: 1.08rem; }
.hero-new .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.hero-new .btn-outline { color: #fff; border-color: #fff; background: transparent; }
.hero-new .btn-outline:hover { background: #fff; color: var(--navy); }
.hero-trust { color: #cfd6e2; font-size: .85rem; margin: 20px 0 0; }

/* Trust bar */
.trustbar { background: #fff; border-bottom: 1px solid var(--line); padding: 0; }
.trustbar-grid { display: grid; grid-template-columns: 1fr 1fr; }
.trust-item { display: flex; gap: 14px; align-items: flex-start; padding: 22px 18px; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item:nth-child(3) { border-left: 0; }
.trust-item:nth-child(5) { border-left: 0; }
.trust-item svg { width: 38px; height: 38px; color: var(--red); flex: none; }
.trust-item strong { display: block; color: var(--navy); font-size: 1rem; line-height: 1.3; overflow-wrap: break-word; }
.trust-item span { font-size: .83rem; color: var(--muted); line-height: 1.45; display: block; margin-top: 4px; overflow-wrap: break-word; }
.trust-item > div { min-width: 0; }
@media (min-width: 900px) {
  .trustbar-grid { grid-template-columns: repeat(5, 1fr); }
  .trust-item:nth-child(3) { border-left: 1px solid var(--line); }
  .trust-item:nth-child(5) { border-left: 1px solid var(--line); }
}

/* Eyebrows */
.eyebrow { display: flex; align-items: center; gap: 12px; color: var(--navy); font-weight: 800; letter-spacing: .05em; font-size: .95rem; margin: 0 0 10px; }
.eyebrow .dash { display: inline-block; width: 34px; height: 4px; background: var(--red); }
.eyebrow-center { justify-content: center; }

/* FAQ */
.faq { max-width: 780px; margin: 28px auto 0; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 700; color: var(--navy); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--red); flex: none; line-height: 1; }
.faq details[open] summary::after { content: "\2013"; }
.faq .faq-a { padding: 0 20px 18px; }
.faq .faq-a p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.6; }

/* Comfort section */
.comfort-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .comfort-grid { grid-template-columns: 1fr 1fr; } }
.comfort-copy h2 { font-size: 1.9rem; text-transform: uppercase; }
.comfort-media img { border-radius: var(--radius); box-shadow: 0 12px 32px rgba(7,29,64,.14); }
.check-list { list-style: none; margin: 26px 0 0; padding: 0; }
.check-list li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.check-ico { width: 46px; height: 46px; flex: none; border-radius: 50%; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; }
.check-ico svg { width: 26px; height: 26px; }
.check-list strong { display: block; color: var(--navy); }
.check-list span { color: var(--muted); font-size: .95rem; }

/* What we do */
.whatwedo .center { text-align: center; }
.whatwedo .sub { max-width: 640px; margin: 0 auto 34px; color: var(--muted); }
.svc-cards { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .svc-cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1020px) { .svc-cards { grid-template-columns: repeat(4, 1fr); } }
.svc-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 3px 16px rgba(7,29,64,.09); display: flex; flex-direction: column; }
.svc-card > img { width: 100%; height: 168px; object-fit: cover; }
.svc-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.svc-body h3 { font-size: 1.08rem; display: flex; align-items: center; gap: 8px; }
.svc-ico { color: var(--red); }
.svc-body p { font-size: .93rem; color: var(--muted); flex: 1; }
.svc-body .btn { margin-top: 16px; }

/* Mobile nav: dropdowns stack inline */
@media (max-width: 759px) {
  .main-nav.nav-open .drop-menu { display: block; position: static; box-shadow: none; border: 0; padding: 0 0 0 14px; }
  .header-contact .btn-red { display: none; }
  .hero-new h1 { font-size: 2rem; }
  .hero-new .hero-panel { padding: 52px 20px; }
}

/* Contact form result states */
.form-success {
  background: #EDF7EE; border: 1px solid #BFE3C4; border-radius: 8px;
  padding: 22px; color: #1E4620; font-size: 1.02rem;
}

/* BBB accredited — emphasized */
.trust-item-bbb { background: var(--navy); justify-content: center; text-align: center; }
.trust-item-bbb strong { color: #fff; font-size: 1.05rem; }
.trust-item-bbb span { color: #dbe3f0; }
.trust-item-bbb span a { color: #fff; }
.trust-item-bbb svg { color: var(--gold); }
@media (max-width: 899px) {
  /* Compact swipeable pill row (replaces the grid on small screens) */
  .trustbar { padding: 10px 0; }
  .trustbar-grid {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 6px 20px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .trustbar-grid::-webkit-scrollbar { display: none; }
  .trustbar-grid .trust-item {
    flex: 0 0 auto;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
  }
  .trustbar-grid .trust-item svg { width: 24px; height: 24px; }
  .trustbar-grid .trust-item strong { font-size: .85rem; white-space: nowrap; }
  .trustbar-grid .trust-item strong br { display: none; }
  .trustbar-grid .trust-item span { display: none; }
  .trustbar-grid .trust-item.trust-item-bbb { background: var(--navy); border-color: var(--navy); }
}