/* ==========================================================================
   The Garden Nook — shared stylesheet
   Practical gardening, houseplants, and growing guides.
   Distinct layout: persistent left sidebar + serif headings + green/earth tones.
   ========================================================================== */

:root {
  --green: #5b7f4e;
  --green-dark: #31432a;
  --green-soft: #eef2e8;
  --earth: #a97c50;
  --earth-soft: #f5ede3;
  --cream: #faf7f0;
  --surface: #ffffff;
  --text: #2e2b26;
  --muted: #7a7368;
  --border: #e7e0d3;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(46, 43, 38, 0.08), 0 8px 20px rgba(46, 43, 38, 0.08);
  --serif: 'Lora', Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: var(--cream);
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--earth); }

img { max-width: 100%; height: auto; }

h1, h2, h3 { font-family: var(--serif); color: var(--green-dark); }

.container { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 24px; }

/* ---------- Layout: left sidebar + main ---------- */
.layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 34px 24px 24px;
  background: var(--green-dark);
  color: #dce7d5;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.3rem;
  color: #fff;
}
.brand:hover { color: #e8f0e2; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green);
  font-size: 1.2rem;
}

.tagline {
  margin: 10px 0 26px;
  font-size: 0.88rem;
  color: #b9c9ae;
  line-height: 1.5;
}

.side-nav { display: flex; flex-direction: column; gap: 2px; margin-bottom: 26px; }
.side-nav a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: #dce7d5;
  font-weight: 600;
  font-size: 0.98rem;
}
.side-nav a:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }

.side-section-title {
  margin: 0 0 8px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9db28f;
}

.side-cats { display: flex; flex-direction: column; gap: 1px; margin-bottom: 26px; }
.side-cats a { display: block; padding: 6px 14px; border-radius: 6px; color: #b9c9ae; font-size: 0.9rem; }
.side-cats a:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }

.side-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.side-foot a { display: block; padding: 5px 0; color: #9db28f; font-size: 0.85rem; }
.side-foot a:hover { color: #fff; }

/* ---------- Main column ---------- */
.main { min-width: 0; }

.topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--green-dark);
  color: #fff;
}
.topbar .brand { font-size: 1.1rem; }

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: #fff;
  border-radius: 6px;
  font-size: 1.1rem;
  padding: 6px 12px;
  cursor: pointer;
}

/* ---------- Hero / welcome ---------- */
.hero {
  padding: 56px 24px 40px;
  background: linear-gradient(180deg, #e8f0e0 0%, rgba(232, 240, 224, 0) 100%);
  border-bottom: 1px solid var(--border);
}
.hero h1 { margin: 0 0 12px; font-size: clamp(1.9rem, 4vw, 2.5rem); line-height: 1.2; letter-spacing: -0.01em; }
.hero p { margin: 0 0 22px; max-width: 620px; font-size: 1.08rem; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); color: #fff; }
.btn-ghost { background: var(--surface); color: var(--green-dark); border-color: var(--border); }
.btn-ghost:hover { background: var(--green-soft); color: var(--green-dark); }

/* ---------- Sections ---------- */
.section { padding: 40px 24px 12px; }
.section-title { margin: 0 0 6px; font-size: 1.55rem; letter-spacing: -0.01em; }
.section-sub { margin: 0 0 24px; color: var(--muted); }

/* ---------- Category chips ---------- */
.category-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 6px; }
.category-chip {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}
.category-chip:hover { border-color: var(--green); color: var(--green-dark); }

.category-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Post list (vertical rows with a thumbnail square) ---------- */
.post-list { display: flex; flex-direction: column; gap: 14px; }
.post-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.post-row:hover { transform: translateY(-2px); border-color: var(--green); }
.post-thumb {
  flex: 0 0 72px;
  height: 72px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--green-soft), #dfe8d5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.post-body h3 { margin: 0 0 6px; font-size: 1.12rem; line-height: 1.35; }
.post-body h3 a { color: var(--text); }
.post-body h3 a:hover { color: var(--green-dark); }
.post-body p { margin: 0; color: var(--muted); font-size: 0.94rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.86rem; color: var(--muted); margin: 18px 0 4px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--green); }

/* ---------- Article ---------- */
.article-page { max-width: 780px; padding-bottom: 40px; }
.article-content { min-width: 0; }

.article-header { margin: 0 0 22px; }
.article-header .category-tag { margin-bottom: 14px; }
.article-header h1 { margin: 0 0 12px; font-size: clamp(1.7rem, 3.4vw, 2.2rem); line-height: 1.22; letter-spacing: -0.01em; }
.article-meta { margin: 0 0 16px; color: var(--muted); font-size: 0.9rem; }
.article-lead { font-size: 1.12rem; color: #4a443d; margin: 0; }

.article-content h2 { font-size: 1.4rem; margin: 2em 0 0.6em; letter-spacing: -0.01em; }
.article-content h3 { font-size: 1.14rem; margin: 1.6em 0 0.5em; }
.article-content p { margin: 0 0 1.15em; }
.article-content ul, .article-content ol { margin: 0 0 1.3em; padding-left: 1.3em; }
.article-content li { margin-bottom: 0.5em; }
.article-content blockquote {
  margin: 1.4em 0;
  padding: 14px 20px;
  border-left: 4px solid var(--earth);
  background: var(--earth-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #6b5136;
}

.key-takeaways {
  background: var(--green-soft);
  border: 1px solid #dbe6d2;
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 0 0 26px;
}
.key-takeaways strong { color: var(--green-dark); display: block; margin-bottom: 8px; font-family: var(--serif); }
.key-takeaways ul { margin: 0; padding-left: 1.2em; }
.key-takeaways li { margin-bottom: 4px; }

.tip-box {
  background: var(--earth-soft);
  border: 1px solid #ecdccb;
  border-radius: var(--radius);
  padding: 14px 20px;
  margin: 1.4em 0;
}
.tip-box strong { color: #8a5c31; }

.faq { margin-top: 40px; }
.faq h2 { margin-bottom: 16px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 700; color: var(--green-dark); font-family: var(--serif); }
.faq details p { margin: 10px 0 0; }

.related { margin-top: 40px; border-top: 1px solid var(--border); padding-top: 24px; }
.related h2 { margin: 0 0 14px; font-size: 1.3rem; }
.related-grid { display: flex; flex-direction: column; gap: 10px; }
.related-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  font-weight: 600;
}
.related-card:hover { border-color: var(--green); color: var(--green-dark); }

/* ---------- Static pages ---------- */
.page { padding: 40px 24px 60px; }
.page .prose { max-width: 760px; }
.page .prose h1 { font-size: clamp(1.8rem, 3.4vw, 2.2rem); margin: 0 0 8px; }
.page .prose h2 { font-size: 1.3rem; margin: 2em 0 0.5em; }
.page .prose p { margin: 0 0 1.1em; }
.page .prose ul, .page .prose ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.page .prose li { margin-bottom: 0.4em; }
.updated-note { font-size: 0.9rem; color: var(--muted); margin-bottom: 28px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  font: inherit; font-size: 0.98rem; background: var(--surface);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 0.88rem; color: var(--muted); }

/* ---------- Footer (inside main column) ---------- */
.site-footer {
  margin-top: 40px;
  padding: 28px 24px;
  border-top: 1px solid var(--border);
  background: #f3eee5;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner { max-width: 980px; margin: 0 auto; }
.footer-brand { color: var(--green-dark); font-weight: 700; font-family: var(--serif); font-size: 1.05rem; margin: 0 0 6px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 10px 0 14px; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--green-dark); }
.copyright { margin: 0; font-size: 0.84rem; }

/* ---------- 404 ---------- */
.notfound { padding: 80px 24px; }
.notfound h1 { font-size: 2.8rem; margin: 0 0 10px; }
.notfound p { color: var(--muted); margin: 0 0 24px; }

/* ---------- Responsive: collapse the sidebar ---------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; display: none; }
  .sidebar.open { display: flex; }
  .topbar { display: flex; }
  .nav-toggle { display: block; }
  .contact-grid { grid-template-columns: 1fr; }
}