/* FurnaceServiceMaine.com — Site Stylesheet */

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

:root {
  --navy:   #1a2e4a;
  --blue:   #2a5298;
  --mid:    #3a6bc9;
  --light:  #e8f0fb;
  --gray:   #4a5568;
  --lgray:  #f4f6f9;
  --border: #d1d9e6;
  --white:  #ffffff;
  --accent: #c0392b;
  --text:   #2d3748;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

/* ── TOP BAR ─────────────────────────────────── */
.topbar {
  background: var(--navy);
  color: #aac4e8;
  font-size: 0.82rem;
  padding: 6px 0;
  text-align: center;
  letter-spacing: 0.03em;
}
.topbar a { color: #7eb8f7; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }

/* ── HEADER ──────────────────────────────────── */
header {
  background: var(--blue);
  color: var(--white);
  padding: 22px 20px 18px;
  text-align: center;
}
header h1 {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
header p.tagline {
  font-size: 1rem;
  color: #c5d8f5;
  margin-top: 4px;
}

/* ── NAV ─────────────────────────────────────── */
nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}
nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
}
nav ul li a {
  display: block;
  color: #c5d8f5;
  text-decoration: none;
  padding: 13px 14px;
  font-size: 0.83rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background 0.18s, color 0.18s;
}
nav ul li a:hover,
nav ul li a.active {
  background: var(--mid);
  color: var(--white);
}

/* dropdown */
nav ul li { position: relative; }
nav ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--navy);
  min-width: 220px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  flex-direction: column;
}
nav ul li:hover > ul { display: flex; }
nav ul li ul li a {
  padding: 10px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem;
}

/* ── HERO BANNER ─────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 60%, var(--mid) 100%);
  color: var(--white);
  padding: 60px 20px;
  text-align: center;
}
.hero h2 { font-size: 2rem; margin-bottom: 12px; }
.hero p  { font-size: 1.05rem; color: #c5d8f5; max-width: 680px; margin: 0 auto 22px; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: background 0.18s;
}
.btn:hover { background: #a93226; }

/* ── LAYOUT ──────────────────────────────────── */
.wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── CARDS GRID ──────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
  margin: 36px 0;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 22px 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 6px 18px rgba(42,82,152,0.15); transform: translateY(-2px); }
.card h3 { font-size: 1.05rem; color: var(--blue); margin-bottom: 8px; }
.card p  { font-size: 0.9rem; color: var(--gray); }
.card a  { color: var(--mid); font-weight: 600; text-decoration: none; font-size: 0.88rem; }
.card a:hover { text-decoration: underline; }

/* ── PAGE CONTENT ────────────────────────────── */
.page-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}
.page-content h2 {
  font-size: 1.8rem;
  color: var(--navy);
  border-bottom: 3px solid var(--blue);
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.page-content h3 {
  font-size: 1.2rem;
  color: var(--blue);
  margin: 28px 0 10px;
}
.page-content h4 {
  font-size: 1rem;
  color: var(--navy);
  margin: 20px 0 6px;
}
.page-content p  { margin-bottom: 14px; color: var(--text); }
.page-content ul,
.page-content ol { margin: 10px 0 18px 22px; }
.page-content li { margin-bottom: 7px; }
.page-content a  { color: var(--mid); }
.page-content a:hover { text-decoration: underline; }

/* ── PAGE HERO (inner pages) ─────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: var(--white);
  padding: 38px 20px 32px;
  text-align: center;
}
.page-hero h2 { font-size: 1.9rem; margin-bottom: 6px; }
.page-hero p  { color: #c5d8f5; font-size: 0.97rem; max-width: 680px; margin: 0 auto; }

/* ── STEP BOXES ──────────────────────────────── */
.step {
  background: var(--lgray);
  border-left: 5px solid var(--blue);
  border-radius: 4px;
  padding: 16px 20px;
  margin: 14px 0;
}
.step .step-num {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--mid);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.step h4 { color: var(--navy); margin: 0 0 6px; font-size: 1rem; }
.step p  { margin: 0; font-size: 0.92rem; }

/* ── INFO BOX ────────────────────────────────── */
.info-box {
  background: var(--light);
  border: 1px solid #b3caf0;
  border-radius: 5px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.93rem;
}
.info-box strong { color: var(--navy); }

/* ── WARNING BOX ─────────────────────────────── */
.warn-box {
  background: #fff8e1;
  border: 1px solid #f0c040;
  border-left: 5px solid #e6a817;
  border-radius: 4px;
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 0.92rem;
}
.warn-box strong { color: #7a5a00; }

/* ── SUPPLIER CALLOUT ────────────────────────── */
.supplier-box {
  background: var(--navy);
  color: var(--white);
  border-radius: 6px;
  padding: 22px 24px;
  margin: 32px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.supplier-box h4 { color: #7eb8f7; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.supplier-box p  { font-size: 0.9rem; color: #c5d8f5; margin: 0; }
.supplier-box a  { color: #7eb8f7; font-weight: 700; }
.supplier-box .sup-item { flex: 1; min-width: 200px; }

/* ── SECTION DIVIDER ─────────────────────────── */
.section { padding: 48px 0; border-top: 1px solid var(--border); }
.section:first-of-type { border-top: none; }
.section-title {
  text-align: center;
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.section-sub {
  text-align: center;
  color: var(--gray);
  margin-bottom: 30px;
  font-size: 0.95rem;
}

/* ── FOOTER ──────────────────────────────────── */
footer {
  background: var(--navy);
  color: #8aa8cc;
  padding: 36px 20px 20px;
  margin-top: 60px;
}
footer .footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 24px;
}
footer h4 { color: #c5d8f5; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
footer ul { list-style: none; }
footer ul li { margin-bottom: 6px; }
footer ul li a { color: #8aa8cc; text-decoration: none; font-size: 0.88rem; }
footer ul li a:hover { color: var(--white); }
footer p { font-size: 0.88rem; }
footer .copyright {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 16px;
  font-size: 0.8rem;
  color: #5a7a9a;
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 700px) {
  header h1 { font-size: 1.5rem; }
  .hero h2  { font-size: 1.4rem; }
  nav ul li a { padding: 10px 10px; font-size: 0.75rem; }
  .page-content h2 { font-size: 1.4rem; }
}