/* Backflow Record. Plum ink and clay on cool paper.
   Not septic pine, not field-calculator orange, gold, or kraft. */
:root {
  color-scheme: light;
  --bg: #f3f0f6;
  --bg-elev: #fffcfe;
  --fg: #24182a;
  --muted: #5e5168;
  --brand: #6b2d5b;
  --brand-ink: #3f1836;
  --accent: #c46b4a;
  --line: #e4dbe8;
  --ok: #6b2d5b;
  --radius: 16px;
  --shadow: 0 10px 28px rgba(36, 24, 42, 0.06);
  --font: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: var(--font);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #161218;
    --bg-elev: #221c26;
    --fg: #f6eef4;
    --muted: #c4b3c0;
    --brand: #e3a0cf;
    --brand-ink: #f8d7ee;
    --accent: #e0a08a;
    --line: #3a3140;
    --shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1000px 420px at 8% -10%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 60%),
    radial-gradient(800px 360px at 100% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%),
    var(--bg);
  color: var(--fg);
  font: 17px/1.65 var(--sans);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
a:hover { color: var(--brand-ink); }
.wrap { max-width: 980px; margin: 0 auto; padding: 24px 18px 72px; }
.site-header {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 18px;
  padding: 8px 0 22px; border-bottom: 1px solid var(--line); margin-bottom: 28px;
}
.brand {
  font-family: var(--font); font-size: 26px; font-weight: 700; letter-spacing: -0.03em;
  color: var(--fg); text-decoration: none;
}
.nav, .product-nav { display: flex; flex-wrap: wrap; gap: 14px; font-size: 14px; font-weight: 650; }
.nav a, .product-nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .product-nav a:hover { color: var(--fg); }
.product-nav a { color: var(--brand-ink); }
.hero { display: grid; gap: 28px; align-items: center; grid-template-columns: 1.15fr 0.85fr; margin: 12px 0 36px; }
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .brand { font-size: 22px; }
}
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--brand-ink); margin-bottom: 10px;
}
h1 { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.12; letter-spacing: -0.03em; margin: 0 0 14px; }
h2 { font-size: 1.45rem; line-height: 1.25; letter-spacing: -0.02em; margin: 32px 0 10px; }
h3 { font-size: 1.05rem; margin: 20px 0 6px; }
.lead { font-size: 1.12rem; color: var(--muted); margin: 0 0 20px; max-width: 42rem; }
.muted { color: var(--muted); font-size: 0.95rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 12px 18px; font-weight: 700; text-decoration: none;
  border: 1px solid transparent; font: inherit; cursor: pointer;
}
.btn-primary { background: var(--brand); color: #fff7fb; }
.btn-primary:hover { background: var(--brand-ink); color: #fff7fb; }
.btn-secondary { background: var(--bg-elev); color: var(--fg); border-color: var(--line); }
.hero-media, .card, .callout {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.hero-media { overflow: hidden; aspect-ratio: 4/3; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.card { padding: 18px; margin: 18px 0; }
.card label { display: block; margin: 10px 0; font-weight: 650; }
.card input, .card select, .card textarea {
  display: block; width: 100%; margin-top: 4px; font: inherit; padding: 8px 10px;
  border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg);
}
.callout { padding: 16px 18px; margin: 22px 0; border-left: 4px solid var(--accent); }
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.prose p { margin: 0 0 14px; }
.prose ul, .prose ol { padding-left: 1.2rem; margin: 0 0 16px; }
.prose li { margin: 0 0 8px; }
.site-footer {
  margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line);
  display: grid; gap: 10px; color: var(--muted); font-size: 14px;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.related { margin-top: 36px; }
.related a { display: block; margin: 6px 0; }
@media print {
  .site-header, .breadcrumbs, .cta-row, .site-footer, .related, .hero .cta-row { display: none; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; }
}