/* Hearth & Lawn — mobile-first, no web fonts, no frameworks */
:root {
  --bg: #fbf7f0;
  --surface: #ffffff;
  --text: #2a2522;
  --muted: #5d544d;
  --line: #e4dbcd;
  --brand: #2f4a3a;      /* deep garden green */
  --accent: #b5532f;     /* hearth terracotta */
  --link: #8a3a1c;
  --warm-tint: #f6e7dc;
  --garden-tint: #e6efe0;
  --focus: #1d4ed8;
  --radius: 10px;
  --wrap: 72rem;
  --narrow: 46rem;
  font-size: 100%;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
main:focus { outline: none; }
h1, h2, h3 { line-height: 1.25; color: #1f1a17; font-family: Georgia, "Times New Roman", serif; font-weight: 700; }
h1 { font-size: clamp(1.75rem, 1.2rem + 2.5vw, 2.6rem); margin: 0.4em 0 0.4em; }
h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); margin: 1.8em 0 0.5em; }
h3 { font-size: 1.2rem; margin: 1.5em 0 0.4em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.1rem; }
.narrow { max-width: var(--narrow); }
.small { font-size: 0.9rem; color: var(--muted); }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--brand); color: #fff; padding: 0.6rem 1rem; z-index: 10; }
.skip-link:focus { left: 0.5rem; top: 0.5rem; }
.preview-banner { background: #3b2f2a; color: #fff; text-align: center; font-size: 0.85rem; padding: 0.35rem 1rem; }

.site-header { background: var(--brand); color: #fff; }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; padding-top: 0.7rem; padding-bottom: 0.7rem; }
.brand { display: inline-flex; align-items: center; gap: 0.5rem; color: #fff; text-decoration: none; font-family: Georgia, serif; font-weight: 700; font-size: 1.25rem; }
.brand:hover { color: #fff; }
.brand-mark { background: #fbf7f0; border-radius: 6px; padding: 2px; }
.nav { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.2rem 1rem; }
.nav a { color: #fff; text-decoration: none; font-size: 0.98rem; padding: 0.3rem 0; display: inline-block; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: #f1b48f; color: #fff; }

.hero { background: linear-gradient(135deg, var(--warm-tint), var(--garden-tint)); padding: 2.2rem 0 2.4rem; border-bottom: 1px solid var(--line); }
.lead { font-size: 1.15rem; color: #3b332e; max-width: 42rem; }
.button { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; padding: 0.75rem 1.2rem; border-radius: 999px; font-weight: 600; }
.button:hover { background: #963f20; color: #fff; }

.season-grid { display: grid; gap: 1.2rem; margin: 2rem 0; }
.season { border-radius: var(--radius); padding: 1.3rem 1.3rem 0.6rem; border: 1px solid var(--line); }
.season h2 { margin-top: 0; }
.season-warm { background: var(--warm-tint); }
.season-garden { background: var(--garden-tint); }
.season-when { display: block; font-family: system-ui, sans-serif; font-size: 0.85rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.2rem; }
.plain-list { padding-left: 1.1rem; }
.plain-list li { margin: 0.35rem 0; }
.ticks { padding-left: 1.1rem; }
.ticks li { margin: 0.5rem 0; }
.how { margin-bottom: 2.5rem; }

.breadcrumb ol { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.breadcrumb li + li::before { content: "›"; margin-right: 0.3rem; }
.breadcrumb [aria-current] { color: var(--muted); }

.card-grid, .card-list { list-style: none; padding: 0; display: grid; gap: 1rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.card-title { font-size: 1.2rem; margin: 0 0 0.3rem; }
.card p { margin: 0.3rem 0; }
.callout { background: var(--surface); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 0.6rem 1.2rem 0.8rem; margin: 1.5rem 0; }
.callout h2 { margin-top: 0.6rem; }

.meta { color: var(--muted); font-size: 0.92rem; margin: 0 0 1rem; }
.prose { overflow-wrap: break-word; }
.prose blockquote { margin: 1.2rem 0; padding: 0.8rem 1rem; background: var(--surface); border-left: 4px solid var(--brand); border-radius: 0 var(--radius) var(--radius) 0; }
.prose blockquote p { margin: 0.3rem 0; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
.prose table { display: block; overflow-x: auto; border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.95rem; background: var(--surface); }
.prose th, .prose td { border: 1px solid var(--line); padding: 0.5rem 0.6rem; text-align: left; vertical-align: top; }
.prose thead th { background: #f3ece1; }
.prose li { margin: 0.25rem 0; }
.disclosure { background: #fff6ec; border: 1px solid #efd3bd; border-radius: var(--radius); padding: 0.4rem 1rem; font-size: 0.95rem; margin: 0 0 1.2rem; }
.tool-link a { display: inline-block; background: var(--garden-tint); border: 1px solid #c7d9bd; padding: 0.6rem 0.9rem; border-radius: var(--radius); font-weight: 600; text-decoration: none; }
.tool-link a::after { content: " →"; }
.aff-btn[hidden], .aff-row[hidden] { display: none !important; }
.related { margin: 2.5rem 0; }

/* Calculator */
.calc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1rem 0 1.5rem; }
.field { margin: 0 0 1rem; border: 0; padding: 0; }
.field-row { display: grid; gap: 0 1rem; grid-template-columns: 1fr 1fr; }
label, legend { display: block; font-weight: 600; margin-bottom: 0.3rem; }
label.inline { display: flex; align-items: center; gap: 0.5rem; font-weight: 400; margin: 0.25rem 0; }
input[type="number"], select { width: 100%; font: inherit; padding: 0.6rem 0.7rem; border: 1px solid #b9ad9e; border-radius: 8px; background: #fff; color: var(--text); min-height: 44px; }
input[type="radio"] { width: 1.15rem; height: 1.15rem; accent-color: var(--brand); }
.hint { font-size: 0.88rem; color: var(--muted); margin: 0.3rem 0 0; }
.linklike { background: none; border: 0; padding: 0; color: var(--link); text-decoration: underline; font: inherit; cursor: pointer; }
.results { background: var(--garden-tint); border-radius: var(--radius); padding: 0.4rem 1.1rem 0.8rem; }
.results h2 { margin-top: 0.8rem; }
.results-table { width: 100%; border-collapse: collapse; background: #fff; }
.results-table th, .results-table td { padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); text-align: left; }
.results-table td:last-child { text-align: right; font-size: 1.1rem; }
.error { color: #9b1c1c; font-weight: 600; }

.site-footer { background: #ece3d6; border-top: 1px solid var(--line); padding: 1.5rem 0 2rem; margin-top: 3rem; font-size: 0.95rem; }
.footer-links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; }

@media (min-width: 48rem) {
  .season-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); }
  .hero { padding: 3.2rem 0; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }