/* ==========================================================================
   KnowTheYard design system.
   White ground, forest-green + warm ochre, hairline-bordered flat cards.
   Type: Fraunces (display serif) / DM Sans (body) / DM Mono (labels).
   Spacing: 8px ladder. Bands: white / muted / dark. No shadows, no pills.
   Phosphor Icons. Care-difficulty badges are a semantic scale (green -> red),
   separate from brand palette.
   ========================================================================== */

/* ── 0. Tokens ───────────────────────────────────────────────────────────── */
:root {
  /* Brand accents */
  --primary: #2d6a4f;
  --primary-deep: #1b4332;
  --footer-bg: #133a2a;
  --secondary: #52b788;
  --accent: #b7791f;
  --accent-deep: #8b5e14;

  /* Neutrals (white ground, NOT cream) */
  --ink: #131615;
  --ink-soft: #4a5752;
  --paper: #ffffff;
  --paper-2: #f6f7f7;
  --card: #ffffff;
  --line: #e6e6e3;
  --line-strong: #d2d2ce;
  --shadow-soft: rgba(27, 67, 50, .08);

  /* Semantic care-difficulty scale (green -> red, separate from brand) */
  --care-beginner: #2D6A2E;
  --care-easy: #4E7A1E;
  --care-moderate: #C08A00;
  --care-advanced: #C0491E;
  --care-expert: #A01423;

  /* Spacing (8px ladder) */
  --sp-1: .5rem;
  --sp-2: .75rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4rem;
  --sp-8: 5rem;
  --band-pad: var(--sp-7);

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;

  /* Layout */
  --container: 1200px;
  --article-col: 720px;
  --nav-h: 64px;
}


/* ── 1. Reset ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 1rem; line-height: 1.65;
  display: flex; flex-direction: column; min-height: 100vh;
}
#main { flex: 1 0 auto; }
.site-footer { flex-shrink: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--card); padding: .5rem 1rem; z-index: 100; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
main h2[id], main h3[id], main section[id] { scroll-margin-top: calc(var(--nav-h) + 2rem); }


/* ── 2. Typography ───────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display); font-weight: 600; line-height: 1.15;
  color: var(--ink); letter-spacing: -.01em; text-wrap: balance;
}
h1 { font-size: clamp(2rem, 5vw, 2.2rem); font-weight: 700; margin: 0 0 .4em; }
h2 { font-size: 1.6rem; margin: var(--sp-6) 0 var(--sp-3); }
h3 { font-size: 1.25rem; margin: var(--sp-5) 0 var(--sp-2); }
h4 { font-size: 1.15rem; margin: var(--sp-4) 0 var(--sp-2); }
p { margin: 0 0 1.15em; }
strong { font-weight: 700; }
.highlight, mark.highlight {
  background: linear-gradient(to top, rgba(183,121,31,.22) 40%, transparent 40%);
  color: inherit; padding: 0 .1em;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.lead { font-size: 1.25rem; color: var(--ink-soft); }


/* ── 3. Container ────────────────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-4); }
.article-col { max-width: var(--article-col); }


/* ── 4. Section bands ────────────────────────────────────────────────────── */
.band { padding: var(--band-pad) 0; }
.band-kraft { background: var(--paper); }
.band-muted { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-dark { background: var(--primary-deep); color: #d4ddd6; }
.band-dark h1, .band-dark h2, .band-dark h3, .band-dark h4 { color: #fff; }
.band-dark .eyebrow { color: var(--accent); }
.band-dark .band-lead, .band-dark .hero-lead { color: #a5b8a9; }
.band-dark a { color: var(--secondary); }
.band-dark .btn.btn-primary { background: var(--secondary); border-color: var(--secondary); color: var(--primary-deep); }
.band-dark .btn.btn-primary:hover { background: #3da578; border-color: #3da578; }
.band-dark .btn.btn-ghost { color: var(--paper); border-color: color-mix(in srgb, var(--paper) 35%, transparent); }
.band-dark .btn.btn-ghost:hover { background: color-mix(in srgb, var(--paper) 8%, transparent); border-color: var(--paper); }
.band-dark .card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); }
.band-dark .card:hover { border-color: var(--secondary); }
.band-dark .card-desc { color: #a5b8a9; }
.band--slim { padding: 1.75rem 0; }


/* ── 5. Band head ────────────────────────────────────────────────────────── */
.band-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: var(--sp-5); margin-bottom: var(--sp-5); flex-wrap: wrap;
}
.band-head h2 { margin: 0; }
.band-lead { max-width: 44ch; color: var(--ink-soft); margin: 0; }
.eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: .78rem;
  font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .6rem;
}
.section-title { margin: var(--sp-6) 0 var(--sp-4); }
.section-title .eyebrow { display: block; }


/* ── 6. Cards ────────────────────────────────────────────────────────────── */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-4); margin: var(--sp-4) 0 var(--sp-5);
}
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.is-solo { grid-template-columns: 1fr; max-width: 640px; }
.card-grid.is-solo .card-link { display: grid; grid-template-columns: 13rem minmax(0, 1fr); }
.card-grid.is-solo .card-media { aspect-ratio: auto; height: 100%; min-height: 11rem; border-bottom: 0; border-right: 1.5px solid var(--line-strong); }

.card {
  background: var(--card); border: 1.5px solid var(--line-strong);
  position: relative; transition: border-color .15s;
}
.card:hover { border-color: var(--primary); }
.card-link { display: block; color: inherit; height: 100%; }
.card-link:hover { text-decoration: none; }
.card-link:hover .card-title { color: var(--primary); }
.card-media {
  aspect-ratio: 16 / 9; background: var(--paper-2); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 2.4rem;
  border-bottom: 1.5px solid var(--line-strong);
}
.card-media.has-img { background: none; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: var(--sp-4); }
.card-badge { margin-bottom: .5rem; }
.card-title { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; margin: 0 0 .35rem; }
.card-desc { font-size: .95rem; color: var(--ink-soft); margin: 0 0 .7rem; }
.card-more { font-family: var(--font-mono); font-size: .78rem; font-weight: 500; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.card-kicker { display: inline-block; font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: .4rem; }


/* ── 7. Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5ch;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  padding: .7rem 1.3rem; border: 1.5px solid var(--primary);
  border-radius: 0; cursor: pointer; transition: background .15s, color .15s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn.btn-primary { background: var(--primary); color: #fff; }
.btn.btn-primary:hover { background: var(--primary-deep); border-color: var(--primary-deep); }
.btn.btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn.btn-ghost:hover { background: rgba(45,106,79,.06); }
.btn.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.btn-accent:hover { background: var(--accent-deep); border-color: var(--accent-deep); }


/* ── 8. Icon circle ──────────────────────────────────────────────────────── */
.icon-circle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; font-size: 1.3rem;
  border-radius: 50%; background: var(--primary); color: #fff; flex: none;
}
.icon-circle--sm { width: 40px; height: 40px; font-size: 1.1rem; }
.icon-circle--md { width: 48px; height: 48px; font-size: 1.3rem; }
.icon-circle--lg { width: 56px; height: 56px; font-size: 1.5rem; }
.icon-circle--warm { background: var(--accent); }


/* ── 9. Badges ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .4ch;
  font-family: var(--font-mono); font-size: .75rem; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase;
  padding: .2rem .55rem; color: #fff;
}
.care-difficulty-badge { display: inline-flex; align-items: center; gap: .4ch; font-family: var(--font-mono); font-size: .75rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; padding: .2rem .55rem; color: #fff; }
.care-difficulty-beginner  { background: var(--care-beginner); }
.care-difficulty-easy      { background: var(--care-easy); }
.care-difficulty-moderate   { background: var(--care-moderate); }
.care-difficulty-advanced   { background: var(--care-advanced); }
.care-difficulty-expert     { background: var(--care-expert); }


/* ── 10. Quick stats ─────────────────────────────────────────────────────── */
.quick-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--sp-3); margin: var(--sp-4) 0;
}
.stat-box {
  background: var(--paper-2); border: 1px solid var(--line);
  padding: var(--sp-3); text-align: center;
}
.stat-box .stat-value {
  display: block; font-family: var(--font-display); font-size: 1.8rem;
  font-weight: 600; line-height: 1; color: var(--primary);
}
.stat-box .stat-label {
  display: block; margin-top: var(--sp-1);
  font-family: var(--font-mono); font-size: .75rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft);
}


/* ── 11. Breadcrumb ──────────────────────────────────────────────────────── */
.breadcrumb {
  border-bottom: 1px solid var(--line); background: var(--paper);
  font-size: .88rem;
}
.breadcrumb ol {
  display: flex; flex-wrap: wrap; align-items: center; gap: .4rem;
  list-style: none; margin: 0; padding: .7rem 0; color: var(--ink-soft);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: .4rem; }
.breadcrumb li:not(:last-child)::after {
  content: ""; display: inline-block;
  font-family: 'Phosphor'; /* ph-caret-right glyph via CSS, fallback to / */
}
.breadcrumb .sep { font-size: .7rem; color: var(--line-strong); }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }


/* ── 12. Article prose ───────────────────────────────────────────────────── */
.article-wrap { padding: var(--sp-6) 0 var(--sp-7); }
.article-head { max-width: var(--article-col); }
.article-meta { margin: .5rem 0 1rem; }
.article-intro { font-size: 1.2rem; color: var(--ink-soft); font-family: var(--font-display); font-weight: 400; }

.prose { max-width: var(--article-col); }
.prose h2 { margin-top: var(--sp-6); margin-bottom: var(--sp-3); }
.prose h3 { margin-top: var(--sp-5); margin-bottom: var(--sp-2); }
.prose > :first-child { margin-top: 0; }
.prose strong { font-weight: 700; color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3rem; margin: var(--sp-3) 0 var(--sp-4); }
.prose li { margin-bottom: .5rem; }
.prose img { border: 1.5px solid var(--line-strong); margin: var(--sp-5) 0; }
.ext-link::after { content: " \2197"; font-size: .8em; color: var(--ink-soft); }

.article-foot { max-width: var(--article-col); margin-top: var(--sp-6); border-top: 2px solid var(--ink); padding-top: var(--sp-3); }

/* Article image figure */
.article-image { margin: var(--sp-5) 0; border: 1.5px solid var(--line-strong); background: var(--card); }
.article-image img { display: block; width: 100%; height: auto; }
.article-image figcaption { border-top: 1.5px solid var(--line); padding: .65rem 1rem; font-size: .9rem; color: var(--ink-soft); }


/* ── 13. Block components ────────────────────────────────────────────────── */

/* Callout (left border accent) */
.callout { border: 1.5px solid var(--line-strong); border-left: 5px solid var(--secondary); background: var(--card); padding: var(--sp-4); margin: var(--sp-5) 0; }
.callout > strong:first-child { display: flex; align-items: center; gap: var(--sp-1); font-family: var(--font-display); font-size: 1.15rem; margin-bottom: var(--sp-2); }
.callout p:last-child { margin-bottom: 0; }
.callout-note { border-left-color: var(--primary); }
.callout-note > strong:first-child { color: var(--primary); }
.callout-warning { border-left-color: var(--care-advanced); background: var(--paper-2); }
.callout-warning > strong:first-child { color: var(--care-advanced); }
.callout-tip { border-left-color: var(--accent); }
.callout-tip > strong:first-child { color: var(--accent-deep); }

/* Key facts (definition grid) */
.keyvalue { border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-2) var(--sp-4); margin: var(--sp-5) 0; }
.keyvalue > div { display: flex; justify-content: space-between; gap: var(--sp-4); padding: var(--sp-3) 0; border-bottom: 1px solid var(--line); }
.keyvalue > div:last-child { border-bottom: 0; }
.keyvalue dt { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin: 0; flex: none; width: 34%; }
.keyvalue dd { margin: 0; text-align: right; }

/* Steps (numbered circles) */
.process-steps { counter-reset: step; list-style: none; padding-left: 0; margin: var(--sp-5) 0; }
.process-steps > li { position: relative; padding-left: 2.8rem; margin-bottom: var(--sp-4); }
.process-steps > li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: .1rem;
  font-family: var(--font-mono); font-weight: 500; font-size: .85rem;
  color: #fff; background: var(--primary);
  width: 1.9rem; height: 1.9rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.process-steps > li strong { display: block; font-family: var(--font-display); }

/* Pros / cons (2-col grid) */
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin: var(--sp-5) 0; }
.proscons > div { border: 1.5px solid var(--line-strong); padding: var(--sp-4); }
.proscons .pros { border-top: 4px solid var(--care-easy); }
.proscons .cons { border-top: 4px solid var(--care-expert); }
.proscons h4 { margin: 0 0 var(--sp-2); font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.proscons .pros h4 { color: var(--care-easy); }
.proscons .cons h4 { color: var(--care-expert); }
.proscons ul { list-style: none; padding-left: 0; margin: 0; }
.proscons li { position: relative; padding-left: 1.5rem; margin-bottom: var(--sp-2); font-size: .95rem; }
.proscons .pros li::before { content: "+"; position: absolute; left: 0; color: var(--care-easy); font-weight: 700; }
.proscons .cons li::before { content: "\2212"; position: absolute; left: 0; color: var(--care-expert); font-weight: 700; }

/* Checklist */
.checklist { list-style: none; padding-left: 0; margin: var(--sp-4) 0; }
.checklist li { position: relative; padding-left: 1.9rem; margin-bottom: var(--sp-2); }
.checklist li::before { content: "\2713"; position: absolute; left: 0; top: 0; font-weight: 700; color: var(--primary); }

/* Data table */
.table-wrap { margin: var(--sp-5) 0; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.data-table th, .data-table td { text-align: left; padding: var(--sp-2) var(--sp-3); border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table thead th { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); border-bottom: 1.5px solid var(--line-strong); }
.data-table tbody th { font-weight: 700; color: var(--ink); }
.data-table tbody tr:last-child th, .data-table tbody tr:last-child td { border-bottom: 0; }

/* Pull quote */
.pull-quote { margin: var(--sp-5) 0; padding: var(--sp-2) 0 var(--sp-2) var(--sp-4); border-left: 4px solid var(--accent); font-family: var(--font-display); font-size: 1.2rem; color: var(--ink); }
.pull-quote p { margin: 0 0 .4em; }
.pull-quote cite { display: block; font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); font-style: normal; }
.pull-quote cite::before { content: "\2014\00a0"; }

/* Stat strip (big figures in articles) */
.stat-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--sp-4); margin: var(--sp-5) 0; border-top: 1.5px solid var(--line-strong); border-bottom: 1.5px solid var(--line-strong); padding: var(--sp-4) 0; }
.stat-strip .stat-value { display: block; font-family: var(--font-display); font-size: 2.2rem; line-height: 1; color: var(--primary); }
.stat-strip .stat-label { display: block; margin-top: var(--sp-1); font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }

/* Score bars */
.score-group { display: grid; gap: var(--sp-3); margin: var(--sp-5) 0; }
.score-row { display: grid; grid-template-columns: 10rem 1fr auto; align-items: center; gap: var(--sp-3); }
.score-label { font-size: .95rem; }
.score-track { height: .65rem; background: var(--paper-2); border: 1px solid var(--line-strong); }
.score-fill { display: block; height: 100%; background: var(--secondary); }
.score-num { font-family: var(--font-mono); font-size: .78rem; color: var(--ink-soft); }

/* Inline CTA */
.cta-inline-wrap { margin: var(--sp-5) 0; }
.cta-inline { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; color: #fff; background: var(--primary); padding: .7rem 1.2rem; border: 1.5px solid var(--primary); }
.cta-inline:hover { background: var(--primary-deep); border-color: var(--primary-deep); text-decoration: none; }

/* Inline mono chip */
.chip { display: inline-block; font-family: var(--font-mono); font-size: .78rem; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; color: var(--accent); background: var(--paper-2); border: 1px solid var(--line-strong); padding: .06em .45em; }

/* Principle / values grid */
.principle-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--sp-4); margin: var(--sp-5) 0; }
.principle { border: 1.5px solid var(--line-strong); border-top: 4px solid var(--accent); background: var(--card); padding: var(--sp-4); }
.principle .n { font-family: var(--font-mono); font-size: .78rem; color: var(--accent); letter-spacing: .08em; }
.principle h3 { margin: var(--sp-1) 0 var(--sp-2); font-family: var(--font-display); }
.principle p { margin: 0; font-size: .95rem; color: var(--ink-soft); }


/* ── 13b. Homepage components ────────────────────────────────────────────── */
.editorial-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4); margin: var(--sp-5) 0;
}
.editorial-step {
  border: 1.5px solid var(--line-strong); border-top: 4px solid var(--primary);
  background: var(--card); padding: var(--sp-4);
}
.editorial-step .step-num {
  font-family: var(--font-mono); font-size: .78rem; color: var(--primary);
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--sp-2);
}
.editorial-step h3 { margin: 0 0 var(--sp-2); font-family: var(--font-display); font-size: 1.15rem; }
.editorial-step p { margin: 0; font-size: .92rem; color: var(--ink-soft); }

.band-dark .editorial-step { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); border-top-color: var(--secondary); }
.band-dark .editorial-step .step-num { color: var(--secondary); }
.band-dark .editorial-step h3 { color: #fff; }
.band-dark .editorial-step p { color: #a5b8a9; }

.newsletter-form { display: flex; gap: .6rem; max-width: 440px; margin-top: var(--sp-4); }
.newsletter-form input[type="email"] {
  flex: 1; padding: .75rem .85rem; border: 1.5px solid var(--line-strong);
  background: var(--card); font-family: var(--font-body); font-size: 1rem;
}
.band-dark .newsletter-form input[type="email"] { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); color: #fff; }
.band-dark .newsletter-form input[type="email"]::placeholder { color: #8aa190; }

.season-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin: var(--sp-5) 0; }
.season-card {
  border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-4);
  display: flex; gap: var(--sp-3); align-items: flex-start;
}
.season-card i { font-size: 1.6rem; color: var(--primary); flex: none; margin-top: .15rem; }
.season-card h3 { margin: 0 0 var(--sp-1); font-family: var(--font-display); font-size: 1.1rem; }
.season-card p { margin: 0; font-size: .92rem; color: var(--ink-soft); }

.band-dark .season-card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); }
.band-dark .season-card i { color: var(--secondary); }
.band-dark .season-card h3 { color: #fff; }
.band-dark .season-card p { color: #a5b8a9; }

@media (max-width: 860px) {
  .editorial-grid { grid-template-columns: 1fr; }
  .season-grid { grid-template-columns: 1fr; }
}

/* ── 14. Hero ────────────────────────────────────────────────────────────── */
.hero { padding: var(--sp-8) 0 var(--sp-7); background: var(--paper-2); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--sp-7); align-items: center; }
.hero-title { font-size: clamp(2.2rem, 5.5vw, 3.4rem); max-width: 15ch; }
.hero-lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 50ch; }
.hero-lead .content-paragraph { margin: 0 0 var(--sp-2); color: inherit; font-size: inherit; line-height: inherit; }
.hero-lead .content-paragraph:last-child { margin-bottom: 0; }
.hero-actions { display: flex; gap: var(--sp-2); margin-top: var(--sp-5); flex-wrap: wrap; }
.hero-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1.5px solid var(--line-strong); }

/* Page head */
.page-head { padding: var(--sp-6) 0 var(--sp-3); }

/* Hub hero banner */
.hub-hero { margin: 0; }
.hub-hero__inner { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(15rem, .7fr); gap: var(--sp-7); align-items: center; }
.hub-hero__copy { max-width: 58ch; }
.hub-hero__copy .hero-title { max-width: 13ch; }
.hub-hero__context { min-width: 0; margin: 0; padding: var(--sp-4); border: 1.5px solid rgba(255,255,255,.2); border-left: 5px solid var(--secondary); background: rgba(0,0,0,.18); }
.hub-hero__context .eyebrow { margin-bottom: var(--sp-2); }
.hub-hero__facts { margin: 0; }
.hub-hero__facts > div { display: grid; grid-template-columns: minmax(6rem, .65fr) minmax(0, 1.35fr); gap: var(--sp-3); align-items: baseline; padding: var(--sp-2) 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.hub-hero__facts > div:last-child { border-bottom: 0; padding-bottom: 0; }
.hub-hero__facts dt { color: var(--secondary); font-family: var(--font-mono); font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.hub-hero__facts dd { margin: 0; color: #fff; font-size: .88rem; font-weight: 600; }

@media (max-width: 860px) {
  .hub-hero__inner { grid-template-columns: minmax(0, 1fr); gap: var(--sp-5); }
}

/* Page-load reveal */
@media (prefers-reduced-motion: no-preference) {
  .hero-text > * { opacity: 0; animation: rise .6s ease forwards; }
  .hero-title { animation-delay: .05s; }
  .hero-lead { animation-delay: .15s; }
  .hero-actions { animation-delay: .25s; }
  .hero .eyebrow { animation-delay: 0s; }
  @keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
}


/* ── 15. Credential ribbon ───────────────────────────────────────────────── */
.cred-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.cred-item { display: flex; gap: .7rem; align-items: flex-start; }
.cred-item > i { color: var(--accent); font-size: 1.5rem; margin-top: .05rem; flex: none; }
.cred-item strong { display: block; font-family: var(--font-display); font-weight: 600; }
.cred-item span { font-size: .9rem; color: var(--ink-soft); line-height: 1.4; }
/* Dark-band credential overrides */
.band-dark .cred-item strong { color: #fff; }
.band-dark .cred-item span { color: #a5b8a9; }


/* ── 16. Feature card ────────────────────────────────────────────────────── */
.feature-card {
  display: block; background: var(--card);
  border: 1.5px solid var(--line-strong); border-left: 5px solid var(--accent);
  padding: var(--sp-5); color: inherit;
}
.feature-card:hover { border-left-color: var(--primary); text-decoration: none; }
.feature-card:hover h3 { color: var(--primary); }
.feature-card h3 { font-family: var(--font-display); font-size: 1.6rem; margin: .2rem 0 .5rem; }
.feature-card p { color: var(--ink-soft); }
.feature-kicker { display: inline-block; font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: .4rem; }

/* Split layouts */
.band-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: var(--sp-6); align-items: stretch; }


/* ── 17. Header + nav ────────────────────────────────────────────────────── */
.site-header {
  background: var(--paper); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40; height: var(--nav-h);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; height: var(--nav-h);
}
.brand-lockup {
  display: inline-flex; align-items: center; flex: 0 0 auto;
  width: 188px; height: calc(var(--nav-h) - 8px); overflow: hidden;
}
.brand-lockup:hover { text-decoration: none; }
.brand-lockup__image {
  display: block; width: 100%; height: 100%; object-fit: contain;
}
.site-nav { display: flex; align-items: center; gap: var(--sp-4); }
.nav-links { display: flex; gap: 1.1rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  position: relative; color: var(--ink); font-size: .9rem; font-weight: 500;
  white-space: nowrap; padding: .4rem 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -.1rem;
  height: 2px; background: var(--primary);
  transform: scaleX(0); transform-origin: left; transition: transform .18s ease;
}
.nav-links a:hover { color: var(--primary); text-decoration: none; }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-cta {
  display: inline-flex; align-items: center; gap: .4ch;
  background: var(--primary); color: #fff; font-weight: 600; font-size: .88rem;
  padding: .5rem 1rem; border: 1.5px solid var(--primary);
}
.nav-cta:hover { background: var(--primary-deep); border-color: var(--primary-deep); text-decoration: none; color: #fff; }
.nav-toggle {
  display: none; background: none; border: 0;
  font-size: 1.6rem; color: var(--ink); cursor: pointer;
}


/* ── 18. Footer ──────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg); color: #c4d4c8;
  border-top: 3px solid var(--primary);
  padding: var(--sp-6) 0 var(--sp-4);
}
.footer-grid {
  display: grid; grid-template-columns: 1.7fr repeat(5, 1fr);
  gap: var(--sp-5) var(--sp-4);
}
.footer-brand { display: flex; flex-direction: column; gap: var(--sp-3); }
.brand-lockup--footer { width: 216px; height: 86px; }
.footer-brand p { font-size: .9rem; color: #8aa190; line-height: 1.5; margin: 0; max-width: 26ch; }
.footer-col h2 {
  font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent); margin: 0 0 .7rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { padding: .22rem 0; }
.footer-col a { color: #b3c9b8; font-size: .9rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 1.7rem;
  padding-top: 1rem; font-size: .82rem; color: #7a9480;
}


/* ── 18b. Plant profile layout ──────────────────────────────────────────── */
.profile-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr); gap: var(--sp-6); max-width: 1200px; margin: 0 auto; }
.profile-main { min-width: 0; }
.profile-sidebar { position: relative; }

.profile-sidebar__stack { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-4); }
.toc, .sidebar-card { border: 1.5px solid var(--line); background: var(--card); }
.toc { padding-bottom: var(--sp-2); }
.toc-title { font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); margin: 0; padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.toc-list { list-style: none; padding: var(--sp-2); margin: 0; }
.toc-list li { margin: 0; }
.toc-list a { display: flex; align-items: center; gap: var(--sp-1); padding: .45rem .65rem; font-size: .84rem; font-weight: 600; color: var(--ink-soft); line-height: 1.35; border-left: 2px solid transparent; }
.toc-list a:hover { color: var(--primary); background: var(--paper-2); border-left-color: var(--primary); text-decoration: none; }
.toc-list i { color: var(--primary); }

.section-block { margin-bottom: var(--sp-6); }
.section-heading { display: flex; align-items: center; gap: var(--sp-2); font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; margin: 0 0 var(--sp-3); }
.section-heading__icon { color: var(--primary); font-size: 1.65rem; flex: none; }
.section-free { margin-bottom: var(--sp-4); }
.section-free > :last-child { margin-bottom: 0; }
.section-card { background: var(--card); border: 1.5px solid var(--line); padding: var(--sp-4) var(--sp-5); margin-top: var(--sp-3); box-shadow: 0 2px 8px var(--shadow-soft); }
.section-card p { margin-bottom: var(--sp-3); }
.section-card p:last-child { margin-bottom: 0; }
.section-card .callout { margin: var(--sp-3) 0; }

.badge-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: var(--sp-3); }
.badge-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .7rem; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; border: 1.5px solid; }
.badge-chip--verified { color: var(--primary); border-color: var(--primary); background: rgba(27,67,50,.06); }
.badge-chip--pet { color: var(--secondary); border-color: var(--secondary); background: rgba(82,183,136,.06); }
.badge-chip--air { color: var(--primary); border-color: var(--secondary); background: color-mix(in srgb, var(--secondary) 8%, var(--paper)); }

.quick-stats-card { background: var(--card); border: 1.5px solid var(--line); padding: 0; margin: var(--sp-4) 0 var(--sp-3); }
.quick-stats-card .qs-row { display: flex; align-items: center; justify-content: space-between; padding: .75rem var(--sp-4); border-bottom: 1px solid var(--line); }
.quick-stats-card .qs-row:last-child { border-bottom: 0; }
.quick-stats-card .qs-label { font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); display: flex; align-items: center; gap: .4rem; }
.quick-stats-card .qs-label i { font-size: 1rem; color: var(--ink-muted, var(--ink-soft)); }
.quick-stats-card .qs-value { font-size: .92rem; font-weight: 600; color: var(--ink); text-align: right; }

.cross-link { display: flex; align-items: center; gap: var(--sp-3); background: color-mix(in srgb, var(--secondary) 7%, var(--paper)); border: 1.5px solid color-mix(in srgb, var(--secondary) 40%, var(--line)); padding: var(--sp-3) var(--sp-4); margin: var(--sp-5) 0; text-decoration: none; color: var(--ink); }
.cross-link:hover { border-color: var(--secondary); }
.cross-link .cl-icon { font-size: 1.2rem; color: var(--secondary); flex-shrink: 0; }
.cross-link .cl-type { font-family: var(--font-mono); font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--secondary); }
.cross-link__body { display: grid; min-width: 0; }
.cross-link .cl-title { font-size: .92rem; font-weight: 600; color: var(--ink); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.cross-link .cl-description { font-size: .78rem; color: var(--ink-soft); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.cross-link .cl-arrow { font-size: .9rem; color: var(--ink-soft); margin-left: auto; flex-shrink: 0; }

.plant-hero { border-top: 0; }
.plant-hero__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.plant-hero__meta { display: flex; align-items: baseline; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-3); color: var(--ink-soft); }
.plant-hero__meta em { font-family: var(--font-display); font-size: 1.2rem; }
.plant-hero__meta span { font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.plant-hero__description { color: var(--ink-soft); max-width: 58ch; }
.plant-hero__media { position: relative; overflow: hidden; border: 1.5px solid var(--line-strong); background: var(--paper-2); }
.plant-hero__media img { border: 0; transition: transform .3s ease; }
.plant-hero__media:hover img { transform: scale(1.025); }
.plant-hero__fallback { display: grid; place-items: center; aspect-ratio: 4 / 3; color: var(--primary); font-size: 5rem; }
.plant-hero__region { position: absolute; right: var(--sp-3); bottom: var(--sp-3); max-width: 15rem; padding: var(--sp-2) var(--sp-3); border: 1.5px solid var(--line); background: color-mix(in srgb, var(--paper) 92%, transparent); }
.plant-hero__region span { display: block; font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.plant-hero__region strong { display: block; font-size: .85rem; }

.content-paragraph { font-size: 1rem; color: var(--ink-soft); line-height: 1.7; }
.content-list { list-style: none; padding: 0; margin: var(--sp-4) 0; }
.content-list li { position: relative; padding-left: 1.35rem; margin-bottom: var(--sp-2); }
.content-list li::before { content: ""; position: absolute; left: 0; top: .7em; width: .38rem; height: .38rem; border-radius: 50%; background: var(--primary); }
.seasonal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-2); margin: var(--sp-4) 0; }
.seasonal-grid .season-card { display: flex; gap: var(--sp-2); align-items: flex-start; padding: var(--sp-3); margin: 0; border: 1.5px solid var(--line); background: var(--paper-2); }
.seasonal-grid .season-card i { color: var(--primary); font-size: 1.2rem; }
.seasonal-grid .season-card strong { display: block; font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; }
.seasonal-grid .season-card p { margin: .25rem 0 0; font-size: .82rem; color: var(--ink-soft); }
.season-card--spring { border-top-color: var(--secondary) !important; }
.season-card--summer { border-top-color: var(--accent) !important; }
.season-card--fall { border-top-color: var(--care-advanced) !important; }
.season-card--winter { border-top-color: var(--primary) !important; }
.pest-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); margin: var(--sp-4) 0; }
.pest-card { border: 1.5px solid color-mix(in srgb, var(--care-advanced) 35%, var(--line)); border-left: 4px solid var(--care-advanced); background: color-mix(in srgb, var(--care-advanced) 5%, var(--paper)); padding: var(--sp-3); }
.pest-card__label { display: flex; align-items: center; gap: var(--sp-1); font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--care-advanced); }
.pest-card p { margin: .35rem 0 0; font-size: .88rem; color: var(--ink-soft); }
.content-grid { display: grid; gap: var(--sp-3); margin: var(--sp-4) 0; }
.content-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.content-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.content-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.content-grid__card { border: 1.5px solid var(--line); background: var(--paper-2); padding: var(--sp-3); }
.content-grid__card > i { color: var(--primary); font-size: 1.35rem; }
.content-grid__card h3 { font-size: 1rem; margin: var(--sp-1) 0 var(--sp-2); }
.content-grid__card ul { margin: 0; padding-left: 1.1rem; font-size: .88rem; color: var(--ink-soft); }
.structured-table { padding-top: 0; padding-bottom: 0; }
.see-also { border-left: 4px solid var(--secondary); background: var(--paper-2); padding: var(--sp-3) var(--sp-4); }

.in-content-image { margin: var(--sp-5) 0 var(--sp-6); border: 1.5px solid var(--line-strong); overflow: hidden; }
.in-content-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; margin: 0; border: 0; }
.newsletter-cta { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, .7fr); align-items: center; gap: var(--sp-5); background: var(--primary-deep); color: var(--paper); padding: var(--sp-5); margin: var(--sp-6) 0; }
.newsletter-cta h2 { color: var(--paper); margin: 0 0 var(--sp-1); }
.newsletter-cta p { color: color-mix(in srgb, var(--paper) 65%, var(--secondary)); margin: 0; font-size: .9rem; }
.newsletter-cta .eyebrow { color: var(--secondary); margin-bottom: var(--sp-1); }
.newsletter-cta .newsletter-form { margin: 0; }
.newsletter-cta .btn-primary { background: var(--secondary); border-color: var(--secondary); color: var(--primary-deep); }

.related-plants { margin-top: var(--sp-7); }
.related-plants__header { display: flex; align-items: center; gap: var(--sp-3); background: var(--primary-deep); color: var(--paper); padding: var(--sp-3) var(--sp-4); }
.related-plants__header > i { color: var(--secondary); font-size: 1.5rem; }
.related-plants__header .eyebrow { color: var(--secondary); margin: 0; }
.related-plants__header h2 { color: var(--paper); margin: 0; }
.related-plant-card { display: block; color: var(--ink); }
.related-plant-card:hover { text-decoration: none; }

.faq-card, .sources-card { border: 1.5px solid var(--line); background: var(--card); margin-top: var(--sp-6); }
.content-card__header { display: flex; align-items: center; gap: var(--sp-2); padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.content-card__header > i { color: var(--primary); font-size: 1.25rem; }
.content-card__header h2 { font-size: 1.25rem; margin: 0; }
.faq-card details { border-bottom: 1px solid var(--line); }
.faq-card details:last-child { border-bottom: 0; }
.faq-card summary { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-3) var(--sp-4); cursor: pointer; list-style: none; }
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card summary i { color: var(--primary); transition: transform .15s ease; }
.faq-card details[open] summary i { transform: rotate(90deg); }
.faq-card__answer { padding: 0 var(--sp-4) var(--sp-3); color: var(--ink-soft); }
.sources-card ol { margin: 0; padding: var(--sp-4) var(--sp-5); }
.sources-card li { padding: var(--sp-1) 0; color: var(--ink-soft); }
.sidebar-stats { margin: 0; padding: var(--sp-2) var(--sp-4); }
.sidebar-stats > div { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-3); padding: .65rem 0; border-bottom: 1px dashed var(--line); }
.sidebar-stats > div:last-child { border-bottom: 0; }
.sidebar-stats dt { font-family: var(--font-mono); font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }
.sidebar-stats dd { margin: 0; max-width: 58%; text-align: right; font-size: .82rem; font-weight: 600; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.purpose-strip .filter-chips { align-items: center; }
.purpose-strip .chip.is-active { cursor: default; }
.plant-hub-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr); gap: var(--sp-6); align-items: start; }
.plant-hub-main { min-width: 0; display: grid; gap: var(--sp-7); }
.plant-hub-section .band-head { margin-bottom: var(--sp-4); }
.plant-hub-section .band-head h2 { margin: 0; }
.featured-plant-list, .plant-list { display: grid; gap: var(--sp-3); }
.featured-plant-row, .plant-list-card { display: grid; grid-template-columns: 15rem minmax(0, 1fr); min-height: 12rem; border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); overflow: hidden; transition: border-color .15s ease; }
.featured-plant-row { grid-template-columns: 17rem minmax(0, 1fr); min-height: 13.5rem; }
.featured-plant-row:hover, .plant-list-card:hover { border-color: var(--primary); text-decoration: none; }
.featured-plant-row .card-media, .plant-list-card .card-media { height: 100%; min-height: 100%; aspect-ratio: auto; border-right: 1.5px solid var(--line-strong); border-bottom: 0; }
.featured-plant-row:hover .card-media img, .plant-list-card:hover .card-media img { transform: scale(1.025); }
.featured-plant-row .card-media img, .plant-list-card .card-media img { transition: transform .3s ease; }
.plant-row__body { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: var(--sp-4) var(--sp-5); }
.plant-row__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-3); }
.plant-row__heading h3 { margin: 0; font-size: 1.25rem; }
.plant-card__scientific { margin: .15rem 0 0; color: var(--ink-soft); font-family: var(--font-display); font-size: .9rem; }
.plant-card__zone { display: inline-flex; align-items: center; padding: .2rem .5rem; border: 1px solid var(--line); background: var(--paper-2); font-family: var(--font-mono); font-size: .66rem; font-weight: 700; }
.plant-row__description { margin: var(--sp-2) 0 var(--sp-3); color: var(--ink-soft); font-size: .9rem; }
.plant-row__footer { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-3); margin-top: auto; }
.plant-card__tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.plant-card__tags .chip { font-size: .66rem; color: var(--primary); }
.plant-row__action { display: inline-flex; align-items: center; gap: var(--sp-1); flex: none; font-family: var(--font-mono); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--primary); }
.plant-count-label { font-family: var(--font-mono); font-size: .72rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; }
.plant-hub-sidebar__stack { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-4); }
.database-stats { border: 1.5px solid color-mix(in srgb, var(--primary) 30%, var(--line)); background: color-mix(in srgb, var(--primary) 6%, var(--paper)); padding: var(--sp-4); }
.database-stats header { display: flex; align-items: center; gap: var(--sp-2); padding-bottom: var(--sp-3); border-bottom: 1px solid color-mix(in srgb, var(--primary) 20%, var(--line)); }
.database-stats header i { color: var(--primary); font-size: 1.3rem; }
.database-stats h2 { margin: 0; font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; }
.database-stats dl { margin: 0; }
.database-stats dl > div { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-3) 0; border-bottom: 1px solid color-mix(in srgb, var(--primary) 16%, var(--line)); }
.database-stats dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.database-stats dt { color: var(--ink-soft); font-size: .84rem; }
.database-stats dd { margin: 0; font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; text-align: right; }
.hub-explore { border: 1.5px solid var(--line); background: var(--card); }
.hub-explore > a { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); padding: .75rem var(--sp-4); border-bottom: 1px solid var(--line); color: var(--ink); font-size: .88rem; font-weight: 600; }
.hub-explore > a:last-child { border-bottom: 0; }
.hub-explore > a:hover { background: var(--paper-2); color: var(--primary); text-decoration: none; }
.hub-explore > a span { display: flex; align-items: center; gap: var(--sp-2); }
.hub-explore > a span i { color: var(--primary); }

.guide-hero__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.guide-hero__lead { color: var(--ink-soft); max-width: 58ch; }
.guide-read-time { display: inline-flex; align-items: center; gap: var(--sp-1); font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--primary); }
.guide-quick-stats { margin-bottom: 0; }
.guide-hero__media { border: 1.5px solid var(--line-strong); overflow: hidden; background: var(--paper-2); }
.guide-hero__media img { border: 0; transition: transform .3s ease; }
.guide-hero__media:hover img { transform: scale(1.025); }
.guide-hero__fallback { display: grid; place-items: center; aspect-ratio: 4 / 3; color: var(--primary); font-size: 5rem; }
.guide-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr); gap: var(--sp-6); align-items: start; }
.guide-main { min-width: 0; }
.guide-sidebar__stack { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-4); }
.guide-toc .toc-list { max-height: calc(100vh - 14rem); overflow-y: auto; }
.guide-tips { border: 1.5px solid color-mix(in srgb, var(--secondary) 38%, var(--line)); border-left: 5px solid var(--secondary); background: color-mix(in srgb, var(--secondary) 7%, var(--paper)); padding: var(--sp-4) var(--sp-5); margin-top: var(--sp-6); }
.guide-tips header { display: flex; align-items: center; gap: var(--sp-2); }
.guide-tips header i { color: var(--primary); font-size: 1.35rem; }
.guide-tips h2 { margin: 0; font-size: 1.25rem; }
.guide-tips .checklist { margin-bottom: 0; }
.related-guides { margin-top: var(--sp-7); }
.related-guides .band-head h2 { margin: 0; }
.related-guide-card { display: block; color: var(--ink); }
.related-guide-card:hover { text-decoration: none; }
.guide-back-link { margin-top: var(--sp-6); }
.guide-back-link a { display: inline-flex; align-items: center; gap: var(--sp-1); font-weight: 600; }
.guide-back-link i { transform: rotate(180deg); }

.purpose-hero__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.purpose-hero__media { border: 1.5px solid var(--line-strong); overflow: hidden; background: var(--paper-2); }
.purpose-hero__media img { border: 0; transition: transform .3s ease; }
.purpose-hero__media:hover img { transform: scale(1.025); }
.purpose-hero__fallback { display: grid; place-items: center; aspect-ratio: 4 / 3; color: var(--primary); font-size: 5rem; }
.purpose-hero__facts { max-width: 34rem; margin-top: var(--sp-4); }
.purpose-hero__facts .qs-row { padding-block: .62rem; }
.purpose-intro { max-width: var(--article-col); margin: 0 0 var(--sp-7); padding: var(--sp-4) var(--sp-5); border-left: 5px solid var(--primary); background: color-mix(in srgb, var(--primary) 5%, var(--paper)); scroll-margin-top: calc(var(--nav-h) + var(--sp-3)); }
.purpose-intro .eyebrow { margin-bottom: var(--sp-2); }
.purpose-intro .content-paragraph { margin-top: 0; }
.purpose-intro .content-paragraph:last-child { margin-bottom: 0; }
.purpose-back-link, .sidebar-back-link { display: inline-flex; align-items: center; gap: var(--sp-1); font-weight: 600; }
.purpose-back-link i, .sidebar-back-link i { transform: rotate(180deg); }
.purpose-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr); gap: var(--sp-6); align-items: start; }
.purpose-main { min-width: 0; }
.purpose-section__image { margin-top: 0; }
.purpose-sidebar__stack { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-4); }
.sidebar-back-link { justify-content: center; padding: .75rem var(--sp-3); border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); }
.sidebar-back-link:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.recommended-plants { margin-top: var(--sp-7); }
.recommended-plants .band-head h2 { margin: 0; }
.purpose-siblings > a span { min-width: 0; }
.purpose-siblings > a span i + * { overflow: hidden; text-overflow: ellipsis; }

.comparison-hero { text-align: left; }
.comparison-hero .hero-lead { max-width: 64ch; }
.comparison-identity-grid { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); margin-top: var(--sp-5); }
.comparison-identity-card { display: grid; grid-template-columns: minmax(11rem, 40%) minmax(0, 1fr); min-height: 15rem; border: 1.5px solid var(--line-strong); background: var(--card); overflow: hidden; }
.comparison-identity-card__media { display: grid; place-items: center; min-height: 15rem; border-right: 1.5px solid var(--line-strong); background: var(--paper-2); color: var(--primary); font-size: 3rem; overflow: hidden; }
.comparison-identity-card__media img { width: 100%; height: 100%; object-fit: cover; }
.comparison-identity-card__body { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: var(--sp-4); }
.comparison-identity-card__body h2 { margin: 0 0 var(--sp-1); }
.comparison-identity-card__body p { color: var(--ink-soft); }
.comparison-vs { position: absolute; z-index: 1; left: 50%; top: 50%; display: grid; place-items: center; width: 3rem; height: 3rem; transform: translate(-50%, -50%); border: 1.5px solid var(--line-strong); border-radius: 50%; background: var(--paper); font-family: var(--font-mono); font-size: .75rem; font-weight: 700; }
.comparison-table-wrap { overflow-x: auto; border: 1.5px solid var(--line-strong); background: var(--card); }
.comparison-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.comparison-table th, .comparison-table td { width: 36%; padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison-table th:first-child { width: 28%; }
.comparison-table thead th { background: var(--primary-deep); color: var(--paper); font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }
.comparison-table tbody th { color: var(--ink); font-family: var(--font-display); }
.comparison-table tbody tr:nth-child(even) { background: var(--paper-2); }
.comparison-table td.is-highlighted { border-left: 3px solid var(--secondary); background: color-mix(in srgb, var(--secondary) 7%, var(--paper)); }
.comparison-detail-grid { display: grid; gap: var(--sp-4); }
.comparison-detail-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.comparison-detail-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.comparison-detail-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.comparison-detail-card { border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-4); }
.comparison-detail-card h3 { margin-top: 0; }
.comparison-detail-card ul { list-style: none; padding: 0; margin: 0; }
.comparison-detail-card li { display: flex; align-items: flex-start; gap: var(--sp-2); padding: var(--sp-2) 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: .9rem; }
.comparison-detail-card li:last-child { border-bottom: 0; }
.comparison-detail-card li i { margin-top: .2rem; color: var(--primary); }
.comparison-detail-card li.is-caution i { color: var(--care-advanced); }
.use-case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.use-case-card { border: 1.5px solid var(--line-strong); border-top: 4px solid var(--primary); background: var(--card); padding: var(--sp-4); }
.use-case-card__head { display: flex; align-items: flex-start; gap: var(--sp-3); }
.use-case-card__head > i { color: var(--primary); font-size: 1.5rem; }
.use-case-card__head .eyebrow { margin: 0; color: var(--primary); }
.use-case-card__head h3 { margin: .15rem 0 var(--sp-2); }
.use-case-card__subtitle { font-family: var(--font-display); color: var(--ink); }
.use-case-card p { color: var(--ink-soft); font-size: .92rem; }
.related-comparison-card { display: block; color: var(--ink); }
.related-comparison-card:hover { text-decoration: none; }

.problem-hero__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.problem-hero .hero-lead { max-width: 58ch; color: var(--ink-soft); }
.problem-hero__media { border: 1.5px solid var(--line-strong); background: var(--paper); overflow: hidden; }
.problem-hero__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .3s ease; }
.problem-hero__media:hover img { transform: scale(1.025); }
.problem-hero__fallback { display: grid; place-items: center; aspect-ratio: 4 / 3; color: var(--care-advanced); font-size: 5rem; }
.problem-layout { display: grid; grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr); gap: var(--sp-6); align-items: start; }
.problem-main { min-width: 0; }
.problem-section { margin-bottom: var(--sp-7); scroll-margin-top: calc(var(--nav-h) + var(--sp-3)); }
.problem-context { max-width: var(--article-col); }
.cause-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.cause-card { border: 1.5px solid var(--line-strong); background: var(--card); }
.cause-card__header { display: flex; align-items: flex-start; gap: var(--sp-3); padding: var(--sp-4); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.cause-card__number { display: grid; place-items: center; flex: none; width: 2rem; height: 2rem; background: var(--primary); color: var(--paper); font-family: var(--font-mono); font-size: .75rem; font-weight: 700; }
.cause-card__header h3 { margin: .3rem 0 0; }
.likelihood-chip { display: inline-flex; padding: .2rem .45rem; border: 1px solid currentColor; font-family: var(--font-mono); font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.likelihood-chip.is-high { color: var(--care-advanced); background: color-mix(in srgb, var(--care-advanced) 7%, var(--paper)); }
.likelihood-chip.is-moderate { color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--paper)); }
.likelihood-chip.is-low { color: var(--primary); background: color-mix(in srgb, var(--primary) 7%, var(--paper)); }
.cause-card__description { padding: var(--sp-3) var(--sp-4); color: var(--ink-soft); }
.cause-card__description p { margin: 0; }
.cause-card__group { padding: var(--sp-3) var(--sp-4); border-top: 1px solid var(--line); }
.cause-card__group > strong { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; }
.cause-card__fix { background: color-mix(in srgb, var(--primary) 5%, var(--paper)); }
.problem-checklist { display: grid; gap: .45rem; list-style: none; padding: 0; margin: var(--sp-2) 0 0; }
.problem-checklist li { display: flex; align-items: flex-start; gap: var(--sp-2); color: var(--ink-soft); font-size: .88rem; }
.problem-checklist li i { flex: none; margin-top: .2rem; color: var(--primary); }
.diagnosis-steps { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--sp-4); border: 1.5px solid color-mix(in srgb, var(--primary) 42%, var(--line)); border-left: 5px solid var(--primary); background: color-mix(in srgb, var(--primary) 6%, var(--paper)); padding: var(--sp-5); }
.diagnosis-steps__icon { display: grid; place-items: center; width: 3rem; height: 3rem; background: var(--primary); color: var(--paper); font-size: 1.45rem; }
.diagnosis-steps h2 { margin: .2rem 0 var(--sp-2); }
.diagnosis-steps .btn { margin-top: var(--sp-2); }
.problem-section-card { border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-5); box-shadow: var(--shadow-soft); }
.problem-section-card .section-heading { margin-top: 0; }
.problem-crosslinks { display: grid; gap: var(--sp-3); margin: calc(var(--sp-7) * -0.45) 0 var(--sp-7); }
.recovery-timeline { border-left: 2px solid color-mix(in srgb, var(--primary) 38%, var(--line)); margin-left: .55rem; }
.recovery-step { position: relative; display: grid; grid-template-columns: 1.1rem minmax(0, 1fr); gap: var(--sp-3); padding: 0 0 var(--sp-5); }
.recovery-step:last-child { padding-bottom: 0; }
.recovery-step__marker { width: 1rem; height: 1rem; margin-left: -.55rem; border: 3px solid var(--paper); background: var(--primary); }
.recovery-step__label { font-family: var(--font-mono); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--primary); }
.recovery-step h3 { margin: .15rem 0 var(--sp-1); }
.recovery-step p { margin: 0; color: var(--ink-soft); }
.problem-sidebar__stack { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-4); }
.problem-sidebar__cta { display: grid; justify-items: start; gap: var(--sp-2); border: 1.5px solid var(--line-strong); border-top: 4px solid var(--primary); background: var(--card); padding: var(--sp-4); }
.problem-sidebar__cta > i { color: var(--primary); font-size: 1.5rem; }
.problem-sidebar__cta > strong { font-family: var(--display); font-size: 1.1rem; }
.problem-sidebar__cta p { margin: 0; color: var(--ink-soft); font-size: .85rem; }
.problem-sidebar__cta a { display: inline-flex; align-items: center; gap: var(--sp-1); font-family: var(--font-mono); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }

/* Shared hub discovery and catalog system */
.hub-discovery { display: grid; grid-template-columns: minmax(0, 2fr) minmax(15rem, 1fr); gap: var(--sp-5); align-items: start; }
.hub-discovery__main, .hub-discovery__aside { min-width: 0; }
.hub-discovery__aside { display: grid; gap: var(--sp-4); }
.hub-catalog { display: grid; gap: var(--sp-4); }
.hub-catalog__head { display: flex; align-items: end; justify-content: space-between; gap: var(--sp-4); }
.hub-catalog__head h2 { margin: 0; }
.hub-result-count { flex: none; font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.hub-catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-4); }
.hub-catalog-card { display: flex; flex-direction: column; min-width: 0; border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); overflow: hidden; transition: border-color .15s ease, transform .15s ease; }
.hub-catalog-card:hover { border-color: var(--primary); text-decoration: none; }
.hub-catalog-card:active { transform: translateY(1px); }
.hub-catalog-card__media { display: block; color: inherit; }
.hub-catalog-card__media:hover { text-decoration: none; }
.hub-catalog-card .card-media { aspect-ratio: 4 / 3; border-bottom: 1.5px solid var(--line-strong); }
.hub-catalog-card:hover .card-media img { transform: scale(1.025); }
.hub-catalog-card .card-media img { transition: transform .3s ease; }
.hub-catalog-card__body { display: flex; flex: 1; flex-direction: column; padding: var(--sp-3); }
.hub-catalog-card__body h3 { margin: 0; font-size: 1.08rem; }
.hub-catalog-card__meta { margin: .2rem 0 var(--sp-2); color: var(--ink-soft); font-size: .78rem; }
.hub-catalog-card__description { margin: 0 0 var(--sp-3); color: var(--ink-soft); font-size: .86rem; }
.hub-catalog-card__footer { display: flex; align-items: end; justify-content: space-between; gap: var(--sp-2); margin-top: auto; }
.comparison-catalog-card__pair { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--sp-2); min-height: 8rem; padding: var(--sp-3); background: var(--primary-deep); color: #fff; text-align: center; font-family: var(--font-display); font-weight: 600; }
.comparison-catalog-card__pair b { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border: 1.5px solid var(--secondary); border-radius: 50%; color: var(--secondary); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; }
.comparison-category-nav { position: sticky; top: var(--nav-h); z-index: 20; border-bottom: 1.5px solid var(--line-strong); background: color-mix(in srgb, var(--paper) 96%, transparent); }
.comparison-category-nav .container { display: flex; gap: .5rem; overflow-x: auto; padding-block: var(--sp-2); }
.comparison-category-nav span { flex: 0 0 auto; border: 1.5px solid var(--line-strong); padding: .45rem .7rem; color: var(--ink-soft); background: var(--paper); font-size: .74rem; }
.comparison-category-nav b { color: var(--primary); }
.comparison-image-card { display: block; overflow: hidden; border: 1.5px solid var(--line-strong); color: var(--ink); background: var(--paper); }
.comparison-image-card:hover { border-color: var(--primary); color: var(--ink); text-decoration: none; transform: translateY(-2px); }
.comparison-image-card > div:last-child { padding: var(--sp-3); }
.comparison-image-card h3 { margin: .35rem 0; }
.comparison-image-card p { color: var(--ink-soft); font-size: .85rem; }
.comparison-image-card b { color: var(--primary); font-size: .76rem; }
.comparison-media { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 7 / 4; overflow: hidden; background: var(--primary-deep); }
.comparison-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.comparison-image-card:hover .comparison-media img, .comparison-catalog-card:hover .comparison-media img { transform: scale(1.035); }
.comparison-media__pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.comparison-media__side { width: 100%; height: 100%; overflow: hidden; }
.comparison-media__side + .comparison-media__side { border-left: 1.5px solid rgba(255,255,255,.5); }
.comparison-media__fallback { color: var(--secondary); font-size: 2.5rem; }
.comparison-catalog-card .comparison-media { border-bottom: 1.5px solid var(--line-strong); }
.zone-chooser__grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: var(--sp-2); }
.zone-chooser__item { display: grid; gap: .35rem; min-height: 7rem; padding: var(--sp-3); border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); }
.zone-chooser__item:hover { border-color: var(--primary); text-decoration: none; }
.zone-chooser__item strong { font-family: var(--font-display); font-size: 1.05rem; }
.zone-chooser__item span { color: var(--ink-soft); font-size: .78rem; line-height: 1.35; }
.zone-temperature-scale { display: grid; grid-template-columns: auto minmax(8rem, 1fr) auto; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-5); font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; }
.zone-temperature-scale div { height: .7rem; background: linear-gradient(90deg, var(--primary-deep), var(--secondary), var(--accent)); }
.zone-filter { position: sticky; top: var(--nav-h); z-index: 20; border-bottom: 1.5px solid var(--line-strong); background: color-mix(in srgb, var(--paper) 96%, transparent); }
.zone-filter .container { display: flex; gap: .45rem; align-items: center; overflow-x: auto; padding-block: var(--sp-2); }
.zone-filter span { flex: 0 0 auto; margin-right: var(--sp-2); font-family: var(--font-mono); font-size: .7rem; font-weight: 700; text-transform: uppercase; }
.zone-filter a { flex: 0 0 auto; border: 1.5px solid var(--line-strong); padding: .45rem .7rem; color: var(--ink-soft); background: var(--paper); font-size: .76rem; }
.zone-filter a:hover, .zone-filter a.is-active { border-color: var(--primary); color: #fff; background: var(--primary); text-decoration: none; }
.zone-region-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.zone-region-card { min-width: 0; border: 1.5px solid var(--line-strong); background: var(--paper); }
.zone-region-card > header { display: flex; justify-content: space-between; align-items: start; gap: var(--sp-3); border-bottom: 1px solid var(--line); padding: var(--sp-4); }
.zone-region-card > header h3 { margin: .25rem 0 0; font-size: 1.45rem; }
.zone-region-card > header > strong { color: var(--primary); font-family: var(--font-mono); font-size: .76rem; white-space: nowrap; }
.zone-region-card > p, .zone-region-card__climate, .zone-region-card__split, .zone-featured-plants { margin-inline: var(--sp-4); }
.zone-region-card > p { color: var(--ink-soft); }
.zone-region-card__climate { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line); }
.zone-region-card__climate div { padding: var(--sp-2); }
.zone-region-card__climate div:nth-child(odd) { border-right: 1px solid var(--line); }
.zone-region-card__climate div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.zone-region-card__climate dt { color: var(--ink-soft); font-family: var(--font-mono); font-size: .62rem; text-transform: uppercase; }
.zone-region-card__climate dd { margin: .3rem 0 0; font-weight: 700; }
.zone-region-card__split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); margin-top: var(--sp-3); }
.zone-region-card__split h4, .zone-featured-plants h4 { font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .04em; }
.zone-region-card__split ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: .82rem; }
.zone-region-card__split p { color: var(--ink-soft); font-size: .82rem; }
.zone-featured-plants { margin-top: var(--sp-4); }
.zone-featured-plants > div { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-2); }
.zone-featured-plants a { min-width: 0; border: 1px solid var(--line); color: var(--ink); background: var(--paper-2); }
.zone-featured-plants a:hover { border-color: var(--primary); text-decoration: none; }
.zone-featured-plants .card-media { aspect-ratio: 4 / 3; min-height: 0; }
.zone-featured-plants .card-media img { width: 100%; height: 100%; object-fit: cover; }
.zone-featured-plants a > span { display: grid; gap: .2rem; padding: .55rem; }
.zone-featured-plants strong { font-size: .74rem; line-height: 1.2; }
.zone-featured-plants small { color: var(--primary); font-family: var(--font-mono); font-size: .58rem; }
.zone-region-card > footer { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: var(--sp-4); border-top: 1px solid var(--line); padding: var(--sp-3) var(--sp-4); }
.zone-region-card > footer a { border: 1px solid var(--line-strong); padding: .35rem .55rem; color: var(--primary); font-family: var(--font-mono); font-size: .62rem; text-transform: uppercase; }
.zone-reference__layout { display: grid; gap: var(--sp-5); }
.zone-reference .zone-temperature-scale { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-2); margin: 0; text-transform: none; letter-spacing: 0; }
.zone-reference .zone-temperature-scale a { display: grid; gap: .25rem; border: 1.5px solid var(--line-strong); padding: var(--sp-2); color: var(--ink); background: var(--paper); }
.zone-reference .zone-temperature-scale a:hover { border-color: var(--primary); text-decoration: none; }
.zone-reference .zone-temperature-scale b { font-family: var(--font-display); }
.zone-reference .zone-temperature-scale span { color: var(--ink-soft); font-size: .7rem; }
.zone-frost-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-3); }
.zone-frost-grid article { border: 1.5px solid var(--line-strong); padding: var(--sp-3); background: var(--paper); }
.zone-frost-grid h3 { margin-top: 0; }
.zone-frost-grid dl { margin: 0; }
.zone-frost-grid dl div { padding: var(--sp-2) 0; border-top: 1px solid var(--line); }
.zone-frost-grid dt { color: var(--ink-soft); font-family: var(--font-mono); font-size: .62rem; text-transform: uppercase; }
.zone-frost-grid dd { margin: .25rem 0 0; font-weight: 700; }
.zone-season-compare .band-head h2, .zone-season-compare .band-lead { color: #fff; }
.zone-season-compare__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-3); }
.zone-season-compare__grid article { border: 1.5px solid rgba(255,255,255,.2); padding: var(--sp-3); background: rgba(255,255,255,.06); }
.zone-season-compare__grid h3 { color: #fff; }
.zone-season-compare__grid strong { display: block; color: var(--secondary); font-family: var(--font-display); font-size: 1.45rem; }
.zone-season-compare__grid span { color: #c4d4c8; font-size: .72rem; }
.zone-seasonal-overview .card i { color: var(--primary); font-size: 1.5rem; }
.zone-overview-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, 18rem); gap: var(--sp-6); align-items: start; }
.zone-overview-layout main { display: grid; gap: var(--sp-6); min-width: 0; }
.zone-limits, .zone-regional-context, .zone-season-plan { scroll-margin-top: calc(var(--nav-h) + var(--sp-3)); }
.zone-regional-context > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
.zone-regional-context article { border: 1.5px solid var(--line-strong); padding: var(--sp-4); background: var(--paper); }
.zone-regional-context article header { display: flex; justify-content: space-between; gap: var(--sp-2); align-items: start; }
.zone-regional-context article header span { color: var(--primary); font-family: var(--font-mono); font-size: .66rem; }
.zone-regional-context article p { color: var(--ink-soft); }
.zone-regional-context article dl div { display: flex; justify-content: space-between; gap: var(--sp-3); border-top: 1px solid var(--line); padding: var(--sp-2) 0; }
.zone-regional-context article dt { color: var(--ink-soft); font-size: .75rem; }
.zone-regional-context article dd { margin: 0; text-align: right; font-weight: 700; font-size: .78rem; }
.zone-overview-sidebar { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-3); }
.zone-overview-sidebar .sidebar-card > a { display: grid; gap: .25rem; border-top: 1px solid var(--line); padding: var(--sp-3) 0; color: var(--ink); }
.zone-overview-sidebar .sidebar-card > a span { color: var(--ink-soft); font-size: .8rem; }
.zone-overview-sidebar .sidebar-card > a:hover { color: var(--primary); text-decoration: none; }
.calendar-chooser__form { display: flex; align-items: end; gap: var(--sp-3); max-width: 32rem; padding: var(--sp-4); border: 1.5px solid var(--line-strong); background: var(--card); }
.calendar-chooser__form label { display: grid; flex: 1; gap: .4rem; font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
.calendar-chooser__form select { width: 100%; }
.calendar-month-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-3); }
.calendar-month-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--sp-2); padding: var(--sp-4); border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); }
.calendar-month-card:hover { border-color: var(--primary); text-decoration: none; }
.calendar-month-card span { font-family: var(--font-mono); color: var(--accent); font-size: .75rem; }
.calendar-month-card strong { font-family: var(--font-display); font-size: 1.12rem; }
.calendar-accuracy .card { color: var(--ink); }
.calendar-accuracy .card p { color: var(--ink-soft); }
.calendar-month-nav { padding-block: var(--sp-5); }
.calendar-month-nav__inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.calendar-month-nav__inner a { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: var(--sp-2); padding: var(--sp-3) var(--sp-4); border: 1.5px solid rgba(255, 255, 255, .35); color: var(--paper); }
.calendar-month-nav__inner a:last-child { grid-template-columns: 1fr auto; text-align: right; }
.calendar-month-nav__inner span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; opacity: .72; }
.calendar-month-nav__inner strong { grid-column: 2; font-family: var(--font-display); font-size: 1.15rem; }
.calendar-month-nav__inner a:last-child strong { grid-column: 1; }
.calendar-month-nav__inner a:hover { border-color: var(--secondary); color: var(--paper); text-decoration: none; }
.tool-feature { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: var(--sp-4); padding: var(--sp-5); border: 1.5px solid var(--primary); background: var(--card); color: var(--ink); }
.tool-feature:hover { border-color: var(--primary-deep); text-decoration: none; }
.tool-feature > div:first-child { display: grid; place-items: center; background: var(--primary-deep); color: #fff; font-size: 3rem; }
.tool-feature h3 { font-size: 1.55rem; }
.tool-feature dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); margin: var(--sp-3) 0; }
.tool-feature dl div { padding: var(--sp-3); background: var(--paper-2); border-left: 3px solid var(--secondary); }
.tool-feature dt { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--primary); }
.tool-feature dd { margin: .45rem 0 0; color: var(--ink-soft); font-size: .86rem; }
.tool-hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-2); max-width: 38rem; margin: var(--sp-4) 0 0; }
.tool-hero-stats div { border: 1.5px solid rgba(255,255,255,.2); padding: var(--sp-3); background: rgba(255,255,255,.08); }
.tool-hero-stats dt { color: #fff; font-family: var(--font-display); font-size: 1.65rem; font-weight: 700; }
.tool-hero-stats dd { margin: .2rem 0 0; color: var(--secondary); font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; }
.tool-featured { color: var(--ink); background: var(--paper); border-color: var(--line-strong); }
.tool-featured .eyebrow { color: var(--accent); }
.tool-featured h2 { margin: var(--sp-2) 0; color: var(--primary-deep); }
.tool-featured p { color: var(--ink-soft); }
.tool-featured__head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); }
.tool-featured__head i { display: grid; place-items: center; width: 3rem; height: 3rem; color: #fff; background: var(--primary); font-size: 1.45rem; }
.tool-featured__head span { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; color: var(--primary); }
.tool-featured__flow { display: grid; gap: var(--sp-2); margin: var(--sp-3) 0; }
.tool-featured__flow div { border-left: 3px solid var(--secondary); padding: var(--sp-2) var(--sp-3); background: var(--paper-2); }
.tool-featured__flow dt { font-family: var(--font-mono); font-size: .66rem; text-transform: uppercase; color: var(--primary); }
.tool-featured__flow dd { margin: .25rem 0 0; color: var(--ink-soft); font-size: .8rem; line-height: 1.45; }
.tool-lanes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-3); }
.tool-lane { display: grid; grid-template-columns: auto 1fr auto; gap: var(--sp-2) var(--sp-3); align-items: center; min-width: 0; border: 1.5px solid var(--line-strong); padding: var(--sp-4); color: var(--ink); background: var(--paper); }
.tool-lane:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.tool-lane > span { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; color: #fff; background: var(--primary-deep); font-family: var(--font-mono); font-size: .72rem; }
.tool-lane > i { grid-column: 3; grid-row: 1; color: var(--primary); font-size: 1.35rem; }
.tool-lane strong { font-family: var(--font-display); font-size: 1.2rem; }
.tool-lane small { grid-column: 1 / -1; color: var(--ink-soft); line-height: 1.45; }
.tool-library-layout { display: grid; grid-template-columns: minmax(15rem, 18rem) minmax(0, 1fr); gap: var(--sp-6); align-items: start; }
.tool-sidebar { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-3); }
.tool-sidebar nav { display: grid; }
.tool-sidebar nav a { display: flex; gap: var(--sp-2); align-items: flex-start; padding: var(--sp-3) 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.tool-sidebar nav a:last-child { border-bottom: 0; }
.tool-sidebar nav i { color: var(--primary); font-size: 1.15rem; }
.tool-sidebar nav span { display: grid; gap: .25rem; }
.tool-sidebar nav small { color: var(--ink-soft); line-height: 1.35; }
.tool-library { display: grid; gap: var(--sp-6); min-width: 0; }
.tool-lane-section { scroll-margin-top: calc(var(--nav-h) + var(--sp-4)); }
.tool-lane-section > header { display: flex; align-items: end; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.tool-lane-section > header h2 { margin: .2rem 0; }
.tool-lane-section > header p { margin: 0; color: var(--ink-soft); }
.tool-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
.tool-card { display: flex; flex-direction: column; min-width: 0; border: 1.5px solid var(--line-strong); padding: var(--sp-4); color: var(--ink); background: var(--paper); }
.tool-card:hover { border-color: var(--primary); color: var(--ink); text-decoration: none; transform: translateY(-2px); }
.tool-card__top { display: flex; justify-content: space-between; align-items: center; }
.tool-card__top i { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; color: var(--primary-deep); background: color-mix(in srgb, var(--secondary) 20%, var(--paper)); font-size: 1.3rem; }
.tool-card__top span { font-family: var(--font-mono); color: var(--primary); font-size: .68rem; text-transform: uppercase; }
.tool-card h3 { margin: var(--sp-3) 0 var(--sp-2); }
.tool-card > p { flex: 1; color: var(--ink-soft); font-size: .9rem; }
.tool-card footer { display: flex; justify-content: space-between; align-items: end; gap: var(--sp-3); margin-top: var(--sp-3); border-top: 1px solid var(--line); padding-top: var(--sp-3); }
.tool-card footer span { display: grid; gap: .2rem; }
.tool-card footer small { color: var(--ink-soft); font-family: var(--font-mono); font-size: .62rem; text-transform: uppercase; }
.tool-card footer strong { font-family: var(--font-display); font-size: 1.1rem; }
.tool-card footer b { color: var(--primary); font-size: .76rem; }
.tool-page__intro { max-width: 48rem; color: var(--secondary); }
.tool-page__decision { max-width: 48rem; margin-top: var(--sp-4); border: 1.5px solid rgba(255,255,255,.2); border-left: 4px solid var(--secondary); padding: var(--sp-3); background: rgba(255,255,255,.08); }
.tool-page__decision span { color: var(--secondary); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; }
.tool-page__decision p { margin: .4rem 0 0; color: #fff; }
.tool-page__steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-2); max-width: 48rem; margin: var(--sp-4) 0 0; padding: 0; list-style: none; }
.tool-page__steps li { display: flex; align-items: center; gap: var(--sp-2); border: 1.5px solid rgba(255,255,255,.2); padding: var(--sp-2); color: #fff; font-size: .82rem; }
.tool-page__steps span { display: grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; color: var(--primary-deep); background: var(--secondary); font-family: var(--font-mono); }
.tool-page__stat { display: block; margin: var(--sp-2) 0; color: #fff; font-family: var(--font-display); font-size: 2.4rem; }
.tool-page__preview { margin: var(--sp-3) 0 0; }
.tool-page__preview div { display: grid; grid-template-columns: 1.8rem 1fr; gap: var(--sp-2); align-items: center; padding: var(--sp-2) 0; border-top: 1px solid rgba(255,255,255,.15); }
.tool-page__preview dt { display: grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; color: var(--primary-deep); background: var(--secondary); font-family: var(--font-mono); font-size: .66rem; }
.tool-page__preview dd { margin: 0; color: #fff; font-size: .8rem; }
.tool-page { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, 18rem); gap: var(--sp-6); align-items: start; }
.tool-page__main { display: grid; gap: var(--sp-4); min-width: 0; }
.tool-calculator, .tool-guidance, .tool-mistakes, .tool-field-note { border: 1.5px solid var(--line-strong); background: var(--paper); }
.tool-calculator > header, .tool-mistakes, .tool-field-note { padding: var(--sp-4); }
.tool-calculator > header p { margin-bottom: 0; color: var(--ink-soft); }
.tool-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); border-top: 1px solid var(--line); padding: var(--sp-4); }
.tool-field { display: grid; gap: .45rem; align-content: start; }
.tool-field > span { font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.tool-field input, .tool-field select { width: 100%; min-height: 2.85rem; border: 1.5px solid var(--line-strong); padding: .65rem .75rem; color: var(--ink); background: var(--paper); font: inherit; }
.tool-field input:focus, .tool-field select:focus { outline: 3px solid color-mix(in srgb, var(--secondary) 35%, transparent); border-color: var(--primary); }
.tool-field small { color: var(--ink-soft); line-height: 1.35; }
.tool-result { margin: 0 var(--sp-4) var(--sp-4); border: 1.5px solid var(--primary); border-left: 5px solid var(--secondary); padding: var(--sp-4); background: color-mix(in srgb, var(--secondary) 9%, var(--paper)); }
.tool-result__label { display: block; color: var(--primary); font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; }
.tool-result__value { display: block; margin: .35rem 0; color: var(--primary-deep); font-family: var(--font-display); font-size: 2rem; }
.tool-result__detail { margin: 0; color: var(--ink-soft); }
.tool-result__extras { margin-top: var(--sp-2); color: var(--primary); font-weight: 700; }
.tool-guidance { display: grid; grid-template-columns: minmax(0, 1fr) minmax(14rem, .55fr); }
.tool-guidance > div { padding: var(--sp-4); }
.tool-guidance h3 { margin: var(--sp-3) 0 .35rem; font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.tool-guidance p { color: var(--ink-soft); }
.tool-risk { padding: var(--sp-4); color: #fff; background: var(--primary-deep); }
.tool-risk i { color: var(--secondary); font-size: 1.5rem; }
.tool-risk span { display: block; margin: var(--sp-2) 0; color: var(--secondary); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; }
.tool-risk p { color: #fff; }
.tool-mistakes > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
.tool-mistakes article { border: 1.5px solid var(--line); padding: var(--sp-3); }
.tool-mistakes article p, .tool-field-note p { color: var(--ink-soft); }
.tool-page__sidebar { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); display: grid; gap: var(--sp-3); }
.tool-related-link { display: grid; gap: .3rem; border-top: 1px solid var(--line); padding: var(--sp-3) 0; color: var(--ink); }
.tool-related-link span { color: var(--ink-soft); font-size: .8rem; }
.tool-next { display: block; border: 1.5px solid var(--primary-deep); padding: var(--sp-4); color: #fff; background: var(--primary-deep); }
.tool-next:hover { color: #fff; border-color: var(--secondary); text-decoration: none; }
.tool-next .eyebrow { color: var(--secondary); }
.tool-next p { color: #c4d4c8; font-size: .85rem; }
.tool-next b { color: var(--secondary); }
.safety-path { display: grid; grid-template-columns: auto 1fr; gap: var(--sp-4); padding: var(--sp-5); border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); }
.safety-path:hover { border-color: var(--primary); text-decoration: none; }
.safety-path > i { font-size: 2.4rem; color: var(--primary); }
.safety-path--caution { border-left: 5px solid var(--accent); }
.safety-response .callout { margin-top: var(--sp-4); }
.expert-card { text-align: center; }
.expert-card__avatar { display: block; width: 7rem; height: 7rem; margin: var(--sp-4) auto 0; border: 1.5px solid var(--line-strong); border-radius: 50%; object-fit: cover; }
.expert-card__fallback { display: grid; place-items: center; width: 7rem; height: 7rem; margin: var(--sp-4) auto 0; border: 1.5px solid var(--line-strong); border-radius: 50%; background: var(--paper-2); color: var(--primary); font-size: 2.4rem; }
.hub-filter-disclosure { border: 1.5px solid var(--line-strong); background: var(--card); }
.hub-filter-disclosure > summary { display: none; cursor: pointer; padding: var(--sp-3); font-family: var(--font-mono); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.hub-filter-bar { display: grid; grid-template-columns: minmax(14rem, 1.5fr) repeat(3, minmax(8rem, .7fr)) auto; gap: var(--sp-2); align-items: end; padding: var(--sp-3); }
.hub-filter-note { margin: 0; padding: 0 var(--sp-3) var(--sp-3); color: var(--ink-soft); font-size: .78rem; line-height: 1.5; }
.hub-filter-bar__field { display: grid; gap: .35rem; }
.hub-filter-bar__field > span { font-family: var(--font-mono); font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.hub-filter-bar__field input, .hub-filter-bar__field select { width: 100%; min-height: 2.65rem; border: 1.5px solid var(--line-strong); border-radius: 0; background: var(--paper); padding: .65rem .75rem; color: var(--ink); font: inherit; }
.hub-filter-bar__actions { display: flex; gap: var(--sp-1); }
.hub-filter-bar__actions .btn { min-height: 2.65rem; }
.hub-active-filters { display: flex; align-items: center; flex-wrap: wrap; gap: var(--sp-1); }
.hub-active-filters__label { font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.hub-active-filter { display: inline-flex; align-items: center; gap: .3rem; border: 1.5px solid var(--primary); padding: .35rem .55rem; color: var(--primary); font-size: .75rem; font-weight: 600; }
.hub-active-filter:hover { background: color-mix(in srgb, var(--primary) 7%, var(--paper)); text-decoration: none; }
.hub-empty-state { display: grid; justify-items: start; gap: var(--sp-2); border: 1.5px solid var(--line-strong); border-left: 5px solid var(--accent); background: var(--paper-2); padding: var(--sp-5); }
.hub-empty-state > i { color: var(--accent); font-size: 1.6rem; }
.hub-empty-state h3, .hub-empty-state p { margin: 0; }
.hub-pagination { display: flex; align-items: center; justify-content: center; gap: var(--sp-2); margin-top: var(--sp-5); }
.hub-pagination__pages { display: flex; gap: var(--sp-1); padding: 0; margin: 0; list-style: none; }
.hub-pagination__page, .hub-pagination__control { display: inline-flex; align-items: center; justify-content: center; min-width: 2.45rem; min-height: 2.45rem; border: 1.5px solid var(--line-strong); background: var(--card); color: var(--ink); font-family: var(--font-mono); font-size: .72rem; font-weight: 700; }
.hub-pagination__control { padding-inline: .75rem; }
.hub-pagination__page:hover, .hub-pagination__control:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.hub-pagination__page.is-current { border-color: var(--primary); background: var(--primary); color: var(--paper); }
.hub-pagination__control.is-disabled { opacity: .45; }
.hub-pagination a:active, .hub-filter-bar button:active, .hub-active-filter:active { transform: translateY(1px); }
:where(a, button, input, select, summary):focus-visible { outline: 3px solid color-mix(in srgb, var(--secondary) 65%, var(--paper)); outline-offset: 3px; }

/* ── 19. Responsive ──────────────────────────────────────────────────────── */

/* -- 860px breakpoint (tablet) ------------------------------------------- */
@media (max-width: 860px) {
  .zone-region-grid, .zone-frost-grid, .zone-season-compare__grid { grid-template-columns: 1fr; }
  .zone-featured-plants > div, .zone-reference .zone-temperature-scale { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zone-region-card__split { grid-template-columns: 1fr; }
  .zone-overview-layout, .zone-regional-context > div { grid-template-columns: 1fr; }
  .zone-overview-sidebar { position: static; }
  .profile-layout { grid-template-columns: 1fr; }
  .profile-sidebar { display: none; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: var(--sp-5); }
  .hero-grid > * { min-width: 0; }
  .hero-media { order: -1; }
  .hero-media img { aspect-ratio: 16 / 9; }
  .plant-hero__media { order: -1; }
  .seasonal-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid.cols-3, .content-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .newsletter-cta { grid-template-columns: 1fr; }
  .plant-hub-layout { grid-template-columns: 1fr; }
  .plant-hub-sidebar__stack { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hub-explore { grid-column: 1 / -1; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-sidebar { display: none; }
  .guide-hero__media { order: -1; }
  .purpose-layout { grid-template-columns: 1fr; }
  .purpose-hero__media { order: -1; }
  .purpose-sidebar__stack { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .purpose-siblings { grid-column: 1 / -1; }
  .comparison-identity-card { grid-template-columns: 1fr; }
  .comparison-identity-card__media { min-height: 11rem; aspect-ratio: 16 / 9; border-right: 0; border-bottom: 1.5px solid var(--line-strong); }
  .comparison-detail-grid.cols-3, .comparison-detail-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .problem-layout { grid-template-columns: 1fr; }
  .problem-sidebar { display: none; }
  .problem-hero__media { order: -1; }
  .hub-discovery { grid-template-columns: 1fr; }
  .hub-catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hub-filter-disclosure > summary { display: flex; align-items: center; justify-content: space-between; }
  .hub-filter-disclosure:not([open]) .hub-filter-bar { display: none; }
  .hub-filter-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hub-filter-bar__field--search, .hub-filter-bar__actions { grid-column: 1 / -1; }
  .zone-chooser__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .calendar-month-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: .5rem;
    padding: 1rem var(--sp-4); display: none; z-index: 41;
  }
  .site-nav.open { display: flex; }
  .nav-links { flex-direction: column; gap: .5rem; width: 100%; }
  .nav-cta { align-self: flex-start; }

  .band-split { grid-template-columns: 1fr; }
  .cred-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .card-grid.cols-4, .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }

  .score-row { grid-template-columns: 1fr auto; }
  .score-label { grid-column: 1 / -1; }
}

/* -- 480px breakpoint (mobile) ------------------------------------------- */
@media (max-width: 480px) {
  .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr; }
  .card-grid.is-solo .card-link { grid-template-columns: 1fr; }
  .card-grid.is-solo .card-media { border-right: 0; border-bottom: 1.5px solid var(--line-strong); aspect-ratio: 16 / 9; min-height: 0; }

  .cred-strip { grid-template-columns: 1fr; }
  .proscons { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .keyvalue > div { flex-direction: column; gap: var(--sp-1); }
  .keyvalue dt { width: auto; }
  .keyvalue dd { text-align: left; }
  .seasonal-grid, .pest-grid, .content-grid.cols-2, .content-grid.cols-3, .content-grid.cols-4 { grid-template-columns: 1fr; }
  .quick-stats-card .qs-row { align-items: flex-start; gap: var(--sp-2); }
  .newsletter-cta .newsletter-form { flex-direction: column; }
  .featured-plant-row, .plant-list-card { grid-template-columns: 1fr; }
  .featured-plant-row .card-media, .plant-list-card .card-media { min-height: 12rem; aspect-ratio: 16 / 9; border-right: 0; border-bottom: 1.5px solid var(--line-strong); }
  .plant-row__heading, .plant-row__footer { align-items: flex-start; flex-direction: column; }
  .plant-hub-sidebar__stack { grid-template-columns: 1fr; }
  .hub-explore { grid-column: auto; }
  .purpose-sidebar__stack { grid-template-columns: 1fr; }
  .purpose-siblings { grid-column: auto; }
  .comparison-identity-grid, .comparison-detail-grid.cols-2, .comparison-detail-grid.cols-3, .comparison-detail-grid.cols-4, .use-case-grid { grid-template-columns: 1fr; }
  .comparison-vs { top: 50%; }
  .cause-grid { grid-template-columns: 1fr; }
  .diagnosis-steps { grid-template-columns: 1fr; }
  .hub-catalog-grid { grid-template-columns: 1fr; }
  .hub-catalog__head { align-items: flex-start; flex-direction: column; }
  .hub-filter-bar { grid-template-columns: 1fr; }
  .hub-filter-bar__field--search, .hub-filter-bar__actions { grid-column: auto; }
  .hub-filter-bar__actions { flex-direction: column; }
  .hub-pagination { gap: .35rem; }
  .hub-pagination__control { padding-inline: .5rem; }
  .zone-chooser__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zone-temperature-scale { grid-template-columns: 1fr; }
  .calendar-chooser__form { align-items: stretch; flex-direction: column; }
  .calendar-month-grid { grid-template-columns: 1fr; }
  .calendar-month-nav__inner { grid-template-columns: 1fr; }
  .tool-feature { grid-template-columns: 1fr; padding: var(--sp-3); }
  .tool-feature > div:first-child { min-height: 8rem; }
  .tool-feature dl { grid-template-columns: 1fr; }
  .safety-path { grid-template-columns: 1fr; }
}


/* ── Utility ─────────────────────────────────────────────────────────────── */
/* Byline */
.byline { display: flex; flex-wrap: wrap; gap: var(--sp-4); padding: var(--sp-3) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: var(--sp-4) 0; }
.byline-person { display: flex; align-items: center; gap: .7rem; }
.byline-avatar { width: 2.5rem; height: 2.5rem; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 500; font-size: .85rem; border-radius: 50%; flex: none; }
.byline-reviewer .byline-avatar { background: var(--accent); }
.byline-text { display: flex; flex-direction: column; font-size: .9rem; }
.byline-role { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }

/* FAQ */
.faq { max-width: var(--article-col); margin-top: var(--sp-6); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { font-family: var(--font-display); font-weight: 600; cursor: pointer; padding: .75rem 0; }
.faq-answer { color: var(--ink-soft); padding-bottom: .75rem; }

/* Search */
.search-form { display: flex; gap: .6rem; margin: 1.2rem 0; max-width: var(--article-col); }
.search-form input { flex: 1; padding: .75rem .85rem; border: 1.5px solid var(--line-strong); background: var(--card); font-family: var(--font-body); font-size: 1rem; border-radius: 0; }
.search-results { list-style: none; padding: 0; max-width: var(--article-col); }
.search-results li { padding: .6rem 0; border-bottom: 1px solid var(--line); }
.result-silo { font-family: var(--font-mono); font-size: .75rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; }
.empty-note { color: var(--ink-soft); }

/* Sitemap */
.sitemap-cols { columns: 3 220px; column-gap: 2rem; }
.sitemap-group { break-inside: avoid; margin-bottom: 1.4rem; }
.sitemap-group h2 { font-family: var(--font-display); font-size: 1.2rem; }
.sitemap-group ul { list-style: none; padding: 0; margin: .4rem 0 0; }
.sitemap-group li { padding: .2rem 0; font-size: .9rem; }

/* Error */
.error-page { padding: 4rem 0; text-align: center; max-width: 640px; margin: 0 auto; }
.error-links { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

/* Related links */
.related-links { margin-top: var(--sp-7); }
.related-links ul { list-style: none; padding: 0; margin: var(--sp-4) 0 0; display: grid; grid-template-columns: 1fr; gap: var(--sp-3); }
.related-link-card { display: grid; grid-template-columns: 9rem minmax(0, 1fr); min-height: 7rem; border: 1.5px solid var(--line-strong); color: var(--ink); background: var(--card); }
.related-link-card .card-media { height: 100%; min-height: 7rem; aspect-ratio: auto; border-right: 1.5px solid var(--line-strong); border-bottom: 0; font-size: 2rem; }
.related-link-card:hover { color: var(--primary); text-decoration: none; border-color: var(--primary); }
.related-link-body { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: var(--sp-3) var(--sp-4); }
.related-link-title { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; line-height: 1.25; }

/* Hub toolbar / filter chips */
.hub-toolbar { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.filter-chips { display: flex; gap: .5rem; flex-wrap: wrap; }
.filter-chips .chip { cursor: pointer; padding: .45rem .8rem; border: 1.5px solid var(--line-strong); }
.filter-chips .chip:hover { border-color: var(--primary); color: var(--primary); }
.filter-chips .chip.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Page TOC */
.page-toc { border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-4); margin: 0 0 var(--sp-6); }
.page-toc strong { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.page-toc ol { margin: var(--sp-2) 0 0; padding-left: 1.3rem; }
.page-toc li { margin-bottom: var(--sp-1); }
.page-toc a { color: var(--primary); }
.page-toc a:hover { color: var(--primary-deep); text-decoration: underline; }

/* Page updated */
.page-updated { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-top: var(--sp-6); padding-top: var(--sp-3); border-top: 2px solid var(--ink); }

/* Safety callout */
.safety-callout { background: var(--paper-2); border: 1.5px solid var(--care-advanced); border-top: 5px solid var(--care-advanced); padding: var(--sp-4); margin: var(--sp-5) 0; max-width: var(--article-col); }
.safety-callout-head { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display); color: var(--care-advanced); font-size: 1.15rem; margin-bottom: .6rem; }

/* Profile layout */
.profile-wrap { padding: var(--sp-6) 0 var(--sp-7); }
.profile-grid { display: grid; grid-template-columns: 1fr 320px; gap: var(--sp-6); align-items: start; }
.fact-card { background: var(--card); border: 1.5px solid var(--line-strong); padding: var(--sp-4); margin-bottom: var(--sp-4); }
.fact-card h2 { font-family: var(--font-display); font-size: 1.2rem; margin: 0 0 .7rem; }
.fact-row { display: flex; justify-content: space-between; gap: 1rem; padding: .4rem 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.fact-row:last-child { border-bottom: 0; }
.fact-row dt { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin: 0; }
.fact-row dd { margin: 0; text-align: right; font-weight: 500; }

@media (max-width: 860px) {
  .tool-hero-stats, .tool-lanes, .tool-card-grid { grid-template-columns: 1fr; }
  .tool-library-layout { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; }
  .tool-page, .tool-guidance { grid-template-columns: 1fr; }
  .tool-page__sidebar { position: static; }
  .tool-page__steps, .tool-form-grid, .tool-mistakes > div { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; }
  .sitemap-cols { columns: 1; }
}

/* Brand, editorial, and policy pages */
.brand-hero { margin: 0; }
.brand-hero__inner { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(15rem, .7fr); gap: var(--sp-7); align-items: center; }
.brand-hero__copy { max-width: 58ch; }
.brand-hero__copy .hero-title { max-width: 16ch; }
.brand-hero__meta { min-width: 0; margin: 0; padding: var(--sp-4); border: 1.5px solid rgba(255,255,255,.2); border-left: 5px solid var(--secondary); background: rgba(0,0,0,.18); }
.brand-hero__meta > div { display: grid; grid-template-columns: minmax(6rem, .7fr) minmax(0, 1.3fr); gap: var(--sp-3); align-items: baseline; padding: var(--sp-2) 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.brand-hero__meta > div:last-child { border-bottom: 0; }
.brand-hero__meta dt { color: var(--secondary); font-family: var(--font-mono); font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.brand-hero__meta dd { margin: 0; color: #fff; font-size: .88rem; font-weight: 600; }
.brand-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, 18rem); gap: var(--sp-7); align-items: start; }
.brand-main { min-width: 0; max-width: var(--article-col); }
.brand-sidebar { min-width: 0; }
.brand-toc { position: sticky; top: calc(var(--nav-h) + var(--sp-3)); border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-4); }
.brand-toc__title { padding-bottom: var(--sp-2); border-bottom: 1.5px solid var(--line-strong); color: var(--accent-deep); font-family: var(--font-mono); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.brand-toc ol { margin: var(--sp-3) 0 0; padding: 0; list-style: none; }
.brand-toc li + li { border-top: 1px solid var(--line); }
.brand-toc a { display: block; padding: .55rem 0; color: var(--ink-soft); font-size: .86rem; font-weight: 600; }
.brand-toc a:hover { color: var(--primary); text-decoration: none; }
.brand-summary { margin: 0 0 var(--sp-5); padding: var(--sp-4); border: 1.5px solid var(--line-strong); border-left: 5px solid var(--accent); background: var(--paper-2); font-size: 1.08rem; }
.brand-summary p { margin: 0; }
.brand-section { padding: var(--sp-5) 0; border-top: 1.5px solid var(--line-strong); }
.brand-main > .brand-section:nth-of-type(even) { margin-inline: calc(var(--sp-4) * -1); padding-inline: var(--sp-4); background: var(--paper-2); }
.brand-section h2 { margin: 0 0 var(--sp-3); }
.brand-section > :last-child, .brand-principle > :last-child, .brand-contact-path > :last-child { margin-bottom: 0; }
.brand-section-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
.brand-principle, .brand-contact-path { min-width: 0; border: 1.5px solid var(--line-strong); background: var(--card); padding: var(--sp-4); color: var(--ink); }
a.brand-principle:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.brand-principle h3, .brand-contact-path h2 { margin: 0 0 var(--sp-2); font-size: 1.15rem; }
.brand-principle p, .brand-contact-path p { color: var(--ink-soft); font-size: .92rem; }
.brand-contact-paths { margin: 0; }
.brand-contact-path.brand-section { padding: var(--sp-4); }
.brand-contact-path__action { display: inline-flex; align-items: center; margin-top: var(--sp-2); border: 1.5px solid var(--primary); padding: .6rem .8rem; color: var(--primary); font-family: var(--font-mono); font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.brand-contact-path__action:hover { background: color-mix(in srgb, var(--primary) 8%, var(--paper)); color: var(--primary-deep); text-decoration: none; }

@media (max-width: 860px) {
  .brand-hero__inner, .brand-layout { grid-template-columns: minmax(0, 1fr); }
  .brand-hero__inner { gap: var(--sp-5); }
  .brand-layout { gap: var(--sp-5); }
  .brand-sidebar { order: -1; }
  .brand-toc { position: static; }
}

@media (max-width: 480px) {
  .brand-section-grid { grid-template-columns: minmax(0, 1fr); }
}