/* Lake Travis Air — local HVAC shop styles */
:root {
  --navy: #1a3a4a;
  --navy-dark: #0f2833;
  --blue: #2a6f8f;
  --blue-light: #3a8fb0;
  --accent: #c45c26;
  --accent-hover: #a84a1a;
  --bg: #f7f5f2;
  --white: #ffffff;
  --text: #1e2a32;
  --muted: #5a6a74;
  --border: #d8dde2;
  --ok: #2d6a4f;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(15, 40, 51, 0.08);
  --max: 1080px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  font-size: 17px;
}

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

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Top bar —— */
.topbar {
  background: var(--navy-dark);
  color: #c8d4dc;
  font-size: 0.875rem;
  padding: 0.45rem 0;
}
.topbar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}
.topbar a { color: #e8eef2; font-weight: 600; }
.topbar a:hover { color: #fff; }

/* —— Header / nav —— */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  min-height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo:hover { text-decoration: none; color: var(--navy); }
.logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.logo span { line-height: 1.15; }
.logo small {
  display: block;
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--navy);
  line-height: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.35rem 0;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--blue);
  text-decoration: none;
}
.nav .btn { margin-left: 0.5rem; }

/* —— Buttons —— */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none !important;
  text-align: center;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-hover); }
.btn-outline {
  background: transparent;
  color: var(--navy) !important;
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: #fff !important;
}
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1.05rem; }
.btn-navy { background: var(--navy); }
.btn-navy:hover { background: var(--navy-dark); }

/* —— Hero —— */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--blue) 100%);
  color: #fff;
  padding: 3.5rem 0 3.75rem;
}
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 18ch;
}
.hero .lead {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 36ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-size: 0.9rem;
  opacity: 0.9;
}
.hero-trust span::before {
  content: "✓ ";
  font-weight: 700;
  color: #7dcea0;
}

/* —— Sections —— */
.section { padding: 3rem 0; }
.section-alt { background: var(--white); }
.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  color: var(--navy);
  letter-spacing: -0.02em;
}
.section .intro {
  margin: 0 0 2rem;
  color: var(--muted);
  max-width: 55ch;
}

/* —— Cards / grid —— */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.section-alt .card { background: var(--bg); }
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  color: var(--navy);
}
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card .icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

/* —— Emergency strip —— */
.emergency {
  background: var(--accent);
  color: #fff;
  padding: 1.5rem 0;
  text-align: center;
}
.emergency strong { font-size: 1.2rem; display: block; margin-bottom: 0.25rem; }
.emergency a {
  color: #fff;
  font-weight: 700;
  font-size: 1.35rem;
  text-decoration: underline;
}
.emergency p { margin: 0.35rem 0 0; opacity: 0.95; font-size: 0.95rem; }

/* —— Area chips —— */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.chips li {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
}
.section-alt .chips li { background: var(--bg); }

/* —— CTA band —— */
.cta-band {
  background: var(--navy);
  color: #fff;
  padding: 2.5rem 0;
  text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: 0.5rem; }
.cta-band p { margin: 0 0 1.25rem; opacity: 0.9; }
.cta-band .btn { background: var(--accent); }

/* —— Page hero (inner) —— */
.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 2.25rem 0;
}
.page-hero h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}
.page-hero p { margin: 0; opacity: 0.9; max-width: 50ch; }

/* —— Service list —— */
.service-block {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.service-block h3 { margin: 0 0 0.5rem; color: var(--navy); }
.service-block ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
}
.service-block li { margin-bottom: 0.35rem; }

/* —— Area map-ish —— */
.area-list {
  columns: 2;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.area-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  break-inside: avoid;
  font-weight: 500;
}
.area-list li span {
  display: block;
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--muted);
}

/* —— Contact —— */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.contact-card h3 {
  margin: 0 0 0.75rem;
  color: var(--navy);
  font-size: 1.1rem;
}
.contact-card p,
.contact-card address {
  margin: 0 0 0.75rem;
  font-style: normal;
  color: var(--muted);
}
.contact-card .phone-big {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  display: block;
  margin: 0.5rem 0 1rem;
}
.hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.hours-table td {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}
.hours-table td:last-child { text-align: right; font-weight: 600; color: var(--text); }
.hours-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--ok);
  font-weight: 600;
}

#book {
  scroll-margin-top: 5rem;
}

.book-box {
  background: var(--bg);
  border: 2px solid var(--blue);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.book-box h3 { margin: 0 0 0.5rem; color: var(--navy); }
.book-box p { margin: 0 0 1rem; color: var(--muted); font-size: 0.95rem; }

/* —— Footer —— */
.site-footer {
  background: var(--navy-dark);
  color: #a8b8c2;
  padding: 2.5rem 0 1.5rem;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer h4 {
  margin: 0 0 0.75rem;
  color: #fff;
  font-size: 0.95rem;
}
.site-footer a { color: #c8d4dc; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.4rem; }
.site-footer .logo { color: #fff; margin-bottom: 0.75rem; }
.site-footer .logo small { color: #8a9aa4; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* —— Sticky mobile call bar —— */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 0.65rem 1rem;
  gap: 0.65rem;
  z-index: 60;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
}
.mobile-bar .btn { flex: 1; padding: 0.75rem; }

/* —— Utilities —— */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* —— Responsive —— */
@media (max-width: 800px) {
  .grid-3, .grid-2, .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .area-list { columns: 1; }
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    gap: 0;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  .nav .btn {
    margin: 0.75rem 0 0;
    text-align: center;
  }
  .site-header { position: relative; }
  .site-header.sticky-fix { position: sticky; }
  body { padding-bottom: 72px; }
  .mobile-bar { display: flex; }
  .hero { padding: 2.5rem 0 2.75rem; }
  .section { padding: 2.25rem 0; }
}