/* Aircons Heat & Better Air — shared styles */
:root {
  --navy: #0b3a5b;
  --navy-dark: #072a42;
  --accent: #e87722;
  --accent-hover: #c96415;
  --bg: #f5f7fa;
  --white: #ffffff;
  --text: #1a1a1a;
  --muted: #555;
  --border: #d8dee6;
  --max: 960px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--navy); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }

.site-header {
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
}
.site-header .wrap {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  text-decoration: none;
}
.brand:hover { color: #ffd9b3; }
.brand span { display: block; font-weight: 400; font-size: 0.8rem; opacity: 0.9; }
.header-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-size: 0.95rem;
}
.header-cta a { color: var(--white); text-decoration: none; font-weight: 600; }
.header-cta a:hover { text-decoration: underline; color: #ffd9b3; }

.nav {
  background: var(--navy-dark);
  border-bottom: 3px solid var(--accent);
}
.nav ul {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1rem;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.nav a {
  display: block;
  padding: 0.65rem 0.9rem;
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--accent);
  color: var(--white);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
}
.hero {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--navy);
  line-height: 1.3;
}
.hero p { margin: 0 0 1rem; color: var(--muted); }
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white) !important;
  text-decoration: none;
  font-weight: 700;
  padding: 0.7rem 1.25rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); color: var(--white) !important; }
.btn-outline {
  background: transparent;
  color: var(--navy) !important;
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white) !important; }

.section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.section h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  color: var(--navy);
}
.section h3 {
  margin: 1rem 0 0.35rem;
  font-size: 1.05rem;
  color: var(--navy-dark);
}
.section p { margin: 0 0 0.75rem; }
.section ul, .section ol {
  margin: 0 0 0.75rem;
  padding-left: 1.25rem;
}
.section li { margin-bottom: 0.35rem; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.why-grid li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.85rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  text-align: center;
  margin: 0;
}

.services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.services-list li {
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
}
.services-list strong { color: var(--navy); display: block; margin-bottom: 0.15rem; }

.areas-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.areas-list li {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  background: var(--bg);
  padding: 0.65rem 0.9rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
  list-style-position: outside;
}
.faq details[open] summary { margin-bottom: 0.5rem; }
.faq details p { margin: 0; color: var(--muted); }

.contact-card {
  font-size: 1.05rem;
}
.contact-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1rem;
}
.contact-card dt { font-weight: 700; color: var(--navy); }
.contact-card dd { margin: 0; }
.crosslinks ul { margin: 0; padding-left: 1.25rem; }
.crosslinks li { margin-bottom: 0.4rem; }

.site-footer {
  background: var(--navy-dark);
  color: #c8d4e0;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
  margin-top: 1rem;
}
.site-footer .wrap {
  max-width: var(--max);
  margin: 0 auto;
}
.site-footer a { color: #ffd9b3; }
.site-footer a:hover { color: var(--white); }
.site-footer .nap { margin: 0 0 0.75rem; line-height: 1.7; }
.site-footer nav { margin-top: 0.75rem; }
.site-footer nav a {
  display: inline-block;
  margin-right: 0.85rem;
  margin-bottom: 0.35rem;
  color: #c8d4e0;
  text-decoration: none;
}
.site-footer nav a:hover { color: var(--white); text-decoration: underline; }

@media (min-width: 640px) {
  .services-list {
    grid-template-columns: 1fr 1fr;
  }
  .hero { padding: 2rem; }
}