:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #22261f;
  --text-muted: #5b6154;
  --border: #e4e2da;
  --accent: #3f6b4f;
  --accent-soft: #e8f0e8;
  --max-width: 960px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

header.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
header.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo { font-weight: 700; font-size: 1.25rem; color: var(--text); }
.logo span { color: var(--accent); }
nav.site-nav a { margin-left: 20px; color: var(--text-muted); font-size: 0.95rem; }
nav.site-nav a:hover { color: var(--text); }

main { padding: 40px 0 60px; }

.trust-line {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 8px 0 32px;
}

h1 { font-size: 1.9rem; margin: 0 0 12px; }
h2 { font-size: 1.3rem; margin: 40px 0 14px; }
.intro { color: var(--text-muted); max-width: 65ch; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card h3 { margin: 0; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.92rem; flex-grow: 1; }
.card .tag { font-size: 0.75rem; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { background: #345a41; text-decoration: none; }
.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn.secondary:hover { background: var(--accent-soft); }

.download-panel {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  margin: 24px 0 36px;
}
.download-panel .sizes { color: var(--text-muted); font-size: 0.85rem; }

.preview-frame {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.preview-frame img { display: block; width: 100%; height: auto; }

ol.steps, ul.plain { padding-left: 22px; }
ol.steps li, ul.plain li { margin-bottom: 8px; }

.faq-item { margin-bottom: 18px; }
.faq-item dt { font-weight: 600; margin-bottom: 4px; }
.faq-item dd { margin: 0; color: var(--text-muted); }

.related-list { display: flex; flex-wrap: wrap; gap: 10px; }
.related-list a {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.88rem;
  color: var(--text);
}
.related-list a:hover { border-color: var(--accent); text-decoration: none; }

.breadcrumbs { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 18px; }
.breadcrumbs a { color: var(--text-muted); }

.ad-slot {
  border: 1px dashed var(--border);
  border-radius: 10px;
  text-align: center;
  padding: 14px;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 28px 0;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}
footer.site-footer a { color: var(--text-muted); margin-right: 16px; }

.search-box {
  width: 100%;
  max-width: 420px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
  margin: 18px 0 8px;
}
.search-box:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }

.category-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 6px; }
.category-pills a {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.88rem;
  color: var(--text);
}
.category-pills a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.category-pills a:hover { border-color: var(--accent); text-decoration: none; }

#search-empty {
  display: none;
  color: var(--text-muted);
  padding: 30px 0;
}

.preview-frame { padding: 20px; }
table.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
table.preview-table th, table.preview-table td {
  border: 1px solid var(--border);
  padding: 7px 8px;
  text-align: left;
}
table.preview-table th {
  background: var(--accent-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
table.preview-table td { height: 20px; }
table.preview-table tr.total-row td { font-weight: 700; background: #f6f5f0; }

.preview-boxgrid-head { text-align: center; margin-bottom: 12px; }
.preview-boxgrid-head .goal { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.preview-boxgrid-head .hint { font-size: 0.8rem; color: var(--text-muted); }
.preview-boxgrid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
}
.preview-boxgrid .box {
  border: 1.5px solid var(--accent);
  border-radius: 4px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .download-panel { flex-direction: column; align-items: stretch; text-align: center; }
}