/* Willmar Radon Mitigation. Mobile-first, no JS, system fonts for CWV. */
:root {
  --navy: #16324f;
  --navy-dark: #0e2337;
  --amber: #e8a01d;
  --amber-dark: #c9880f;
  --ink: #1c2733;
  --muted: #5a6b7c;
  --bg: #ffffff;
  --bg-soft: #f2f6fa;
  --line: #d8e2ec;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  padding-bottom: 64px; /* room for mobile call bar */
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; height: auto; }

/* Header */
.site-header { background: var(--navy); color: #fff; padding: 10px 0; }
.header-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; }
.brand { color: #fff; font-weight: 700; font-size: 1.15rem; text-decoration: none; margin-right: auto; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: .95rem; }
.site-nav a { color: #dbe7f3; text-decoration: none; }
.site-nav a:hover { color: #fff; text-decoration: underline; }

/* CTAs */
.cta { display: inline-block; padding: 10px 18px; border-radius: 6px; font-weight: 700; text-decoration: none; }
.cta-primary { background: var(--amber); color: var(--navy-dark); }
.cta-primary:hover { background: var(--amber-dark); }
.cta-secondary { background: transparent; color: var(--navy); border: 2px solid var(--navy); }

/* Hero */
.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%); color: #fff; padding: 48px 0 56px; }
.hero h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
.hero p.lead { font-size: 1.15rem; color: #cfdeed; max-width: 620px; }
.hero .cta-row { margin-top: 22px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero .cta-secondary { color: #fff; border-color: #fff; }
.stat-strip { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.stat { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: 8px; padding: 12px 16px; min-width: 150px; }
.stat b { display: block; font-size: 1.4rem; color: var(--amber); }
.stat span { font-size: .85rem; color: #cfdeed; }

/* Sections */
section { padding: 40px 0; }
section.soft { background: var(--bg-soft); }
h2 { font-size: 1.5rem; color: var(--navy); margin-top: 0; }
h3 { color: var(--navy); }
.cols { display: grid; gap: 24px; }
@media (min-width: 720px) { .cols-2 { grid-template-columns: 1fr 1fr; } .cols-3 { grid-template-columns: 1fr 1fr 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.card h3 { margin-top: 0; }
ul.checks { list-style: none; padding: 0; }
ul.checks li { padding-left: 26px; position: relative; margin-bottom: 8px; }
ul.checks li::before { content: "\2713"; position: absolute; left: 0; color: var(--amber-dark); font-weight: 700; }

/* Tables */
table { border-collapse: collapse; width: 100%; margin: 16px 0; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; font-size: .95rem; }
th { background: var(--bg-soft); color: var(--navy); }

/* FAQ */
details { border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; margin-bottom: 10px; background: #fff; }
summary { font-weight: 600; cursor: pointer; color: var(--navy); }

/* Forms */
form.quote { display: grid; gap: 12px; max-width: 480px; }
form.quote label { font-weight: 600; font-size: .9rem; }
form.quote input, form.quote select, form.quote textarea {
  width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit;
}
form.quote button { background: var(--amber); color: var(--navy-dark); font-weight: 700; border: 0; border-radius: 6px; padding: 12px; font-size: 1rem; cursor: pointer; }
form.quote button:hover { background: var(--amber-dark); }

/* Footer */
.site-footer { background: var(--navy-dark); color: #cfdeed; padding: 32px 0; margin-top: 40px; font-size: .9rem; }
.site-footer a { color: #e8eef5; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 14px 0; }
.footer-note { color: #9db2c6; font-size: .82rem; }

/* Mobile call bar */
.callbar { position: fixed; bottom: 0; left: 0; right: 0; display: flex; gap: 1px; z-index: 50; }
.callbar-btn { flex: 1; text-align: center; padding: 14px 8px; background: var(--amber); color: var(--navy-dark); font-weight: 700; text-decoration: none; }
.callbar-secondary { background: var(--navy); color: #fff; flex: 0 0 38%; }
@media (min-width: 900px) { .callbar { display: none; } body { padding-bottom: 0; } }