/* Sabino Creek Heating & Cooling — Tucson HVAC lead-gen site */
:root {
  --navy: #0c2d48;
  --navy-dark: #071e30;
  --teal: #1a7a8c;
  --teal-light: #2a9aad;
  --sky: #e8f4f7;
  --sand: #f7f3eb;
  --coral: #e85d04;
  --coral-hover: #d14f00;
  --text: #1a1a1a;
  --muted: #5a6570;
  --white: #ffffff;
  --border: #d8e2e8;
  --shadow: 0 4px 24px rgba(12, 45, 72, 0.08);
  --radius: 10px;
  --max: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 17px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-light); }
ul { list-style: none; }

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

/* Top bar */
.topbar {
  background: var(--navy-dark);
  color: #c8d6e0;
  font-size: 0.875rem;
  padding: 0.45rem 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.topbar a { color: #e8f4f7; 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: 100;
  box-shadow: 0 1px 0 rgba(12, 45, 72, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.2;
}
.logo:hover { color: var(--navy); }
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--teal), var(--navy));
  display: grid;
  place-items: center;
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo span { display: block; font-size: 0.72rem; font-weight: 500; color: var(--muted); }

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.35rem;
  flex-wrap: wrap;
}
.nav a {
  color: var(--navy);
  font-weight: 550;
  font-size: 0.95rem;
}
.nav a:hover,
.nav a.active { color: var(--teal); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  font-weight: 650;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
  text-align: center;
  line-height: 1.3;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--coral);
  color: var(--white);
  border-color: var(--coral);
}
.btn-primary:hover { background: var(--coral-hover); border-color: var(--coral-hover); color: var(--white); }
.btn-secondary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn-secondary:hover { background: var(--teal-light); border-color: var(--teal-light); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-dark:hover { background: var(--navy); color: var(--white); }
.btn-lg { padding: 0.9rem 1.6rem; font-size: 1.05rem; }
.btn-phone { white-space: nowrap; }

.nav-cta { margin-left: 0.5rem; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--navy);
}

/* Hero */
.hero {
  background:
    linear-gradient(120deg, rgba(7, 30, 48, 0.92) 0%, rgba(12, 45, 72, 0.85) 45%, rgba(26, 122, 140, 0.75) 100%),
    linear-gradient(160deg, #0c2d48, #1a7a8c);
  color: var(--white);
  padding: 4.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08), transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  font-weight: 750;
}
.hero .lead {
  font-size: 1.1rem;
  color: #d5e6ee;
  max-width: 36rem;
  margin-bottom: 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.9rem;
  color: #c5d8e3;
}
.trust-row strong { color: #fff; }

.hero-card {
  background: var(--white);
  color: var(--text);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 16px 48px rgba(0,0,0,0.25);
}
.hero-card h2 {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.35rem;
}
.hero-card p.small {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.hero-card .form-row { margin-bottom: 0.75rem; }
.hero-card label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.hero-card input,
.hero-card select,
.hero-card textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  font: inherit;
  font-size: 0.9rem;
  background: #fafbfc;
}
.hero-card input:focus,
.hero-card select:focus,
.hero-card textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 0;
  border-color: var(--teal);
}
.hero-card .btn { width: 100%; margin-top: 0.35rem; }
.form-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.65rem;
  text-align: center;
}

/* Sections */
section { padding: 4rem 0; }
.section-sand { background: var(--sand); }
.section-sky { background: var(--sky); }
.section-navy {
  background: var(--navy);
  color: var(--white);
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--navy);
  margin-bottom: 0.65rem;
  line-height: 1.25;
}
.section-navy .section-head h2 { color: var(--white); }
.section-head p { color: var(--muted); }
.section-navy .section-head p { color: #b8cdd9; }

/* Cards / grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: #b8d4dc;
  box-shadow: 0 8px 28px rgba(12, 45, 72, 0.12);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--sky);
  color: var(--teal);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.card h3 {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1rem; }
.card ul { margin-bottom: 1rem; }
.card li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}
.card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
  font-size: 0.85rem;
}
.card .link-more {
  font-weight: 650;
  font-size: 0.92rem;
}

/* Why us / features */
.feature-list {
  display: grid;
  gap: 1rem;
}
.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
}
.feature-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.feature-item h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 0.2rem; }
.feature-item p { color: var(--muted); font-size: 0.92rem; }

/* Area chips */
.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}
.area-chip {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
  text-align: center;
}
.area-chip span {
  display: block;
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(120deg, var(--navy-dark), var(--navy) 60%, var(--teal));
  color: white;
  padding: 3rem 0 2.5rem;
}
.page-hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  margin-bottom: 0.65rem;
  line-height: 1.2;
}
.page-hero p {
  color: #c5d8e3;
  max-width: 40rem;
  font-size: 1.05rem;
}
.breadcrumb {
  font-size: 0.85rem;
  color: #9bb4c4;
  margin-bottom: 0.85rem;
}
.breadcrumb a { color: #c5d8e3; }
.breadcrumb a:hover { color: white; }

/* Content prose */
.prose { max-width: 720px; }
.prose h2 {
  color: var(--navy);
  font-size: 1.45rem;
  margin: 1.75rem 0 0.65rem;
}
.prose h3 {
  color: var(--navy);
  font-size: 1.15rem;
  margin: 1.35rem 0 0.5rem;
}
.prose p { margin-bottom: 1rem; color: var(--muted); }
.prose ul {
  margin: 0 0 1rem 1.1rem;
  list-style: disc;
}
.prose li { color: var(--muted); margin-bottom: 0.35rem; }

/* Contact form (full page) */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.form-card h2 {
  color: var(--navy);
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}
.form-card > p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--navy);
  margin-bottom: 0.3rem;
}
.form-group .req { color: var(--coral); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fafbfc;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--teal);
  border-color: var(--teal);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.contact-aside .info-block {
  background: var(--sky);
  border-radius: var(--radius);
  padding: 1.35rem;
  margin-bottom: 1rem;
}
.contact-aside h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.contact-aside p, .contact-aside li {
  color: var(--muted);
  font-size: 0.95rem;
}
.contact-aside a { font-weight: 650; }
.nap-placeholder {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  background: #fff;
  border: 1px dashed #9bb4c4;
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  color: var(--navy);
  margin-top: 0.5rem;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: 3.5rem 0;
}
.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.65rem;
}
.cta-band p {
  color: #b8cdd9;
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #9bb4c4;
  padding: 3rem 0 1.5rem;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.site-footer h4 {
  color: white;
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}
.site-footer a { color: #b8cdd9; }
.site-footer a:hover { color: white; }
.site-footer ul li { margin-bottom: 0.4rem; }
.footer-brand .logo { color: white; margin-bottom: 0.75rem; }
.footer-brand .logo span { color: #9bb4c4; }
.footer-brand p { max-width: 280px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  font-size: 0.82rem;
}
.disclaimer {
  font-size: 0.78rem;
  color: #6f8494;
  max-width: 520px;
}

/* Stats strip */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: -2rem;
  position: relative;
  z-index: 2;
}
.stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--navy);
  line-height: 1.2;
}
.stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Service detail blocks */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.service-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }
.service-visual {
  background: linear-gradient(145deg, var(--sky), #d4e8ee);
  border-radius: 14px;
  min-height: 220px;
  display: grid;
  place-items: center;
  font-size: 4rem;
  color: var(--teal);
  border: 1px solid var(--border);
}
.service-copy h2 {
  color: var(--navy);
  font-size: 1.5rem;
  margin-bottom: 0.65rem;
}
.service-copy p { color: var(--muted); margin-bottom: 1rem; }
.service-copy ul {
  margin: 0 0 1.25rem 0;
}
.service-copy li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.service-copy li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* Mobile sticky call bar */
.mobile-callbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--coral);
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}
.mobile-callbar a {
  display: block;
  text-align: center;
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .contact-layout,
  .service-block,
  .service-block.reverse,
  .footer-grid,
  .grid-3,
  .grid-4,
  .stats {
    grid-template-columns: 1fr;
  }
  .grid-2 { grid-template-columns: 1fr; }
  .service-block.reverse { direction: ltr; }
  .stats { margin-top: 1.5rem; grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-cta { margin-left: 0; }
  .menu-toggle { display: block; }
  .header-inner { position: relative; flex-wrap: wrap; }
  .mobile-callbar { display: block; }
  body { padding-bottom: 64px; }
  .form-row-2 { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .stats { grid-template-columns: 1fr; }
  .topbar .hide-sm { display: none; }
}