/* Interior pages share the landing page's botanical, editorial design system. */
.interior-page {
    --interior-ink: #17201c;
    --interior-muted: #67716b;
    --interior-green: #27674e;
    --interior-line: #dce4db;
    --interior-paper: #fbfcf8;
    background: var(--interior-paper);
    color: var(--interior-ink);
}
.interior-page > main { padding-top: var(--header-height, 72px); }
.interior-page main { min-height: 65vh; }
.interior-page .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    color: #355842;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .2em;
    line-height: 1.5;
    margin-bottom: 20px;
}
.interior-page .section-tag::before { content: ''; width: 34px; height: 1px; background: #819c88; }
.interior-page .section-title,
.interior-page .plants-title,
.interior-page .plant-title,
.interior-page .post-title {
    font-family: var(--font-display, Georgia, serif);
    font-weight: 400;
    letter-spacing: -.045em;
    line-height: 1.04;
    color: var(--interior-ink);
}
.interior-page .section-title,
.interior-page .plants-title { font-size: clamp(42px, 4.5vw, 68px); }
.interior-page .section-subtitle,
.interior-page .plants-subtitle { font-size: 18px; line-height: 1.7; color: var(--interior-muted); }
.interior-page .blog-hero,
.interior-page .id-hero {
    padding: 68px 0 64px;
    background: linear-gradient(115deg, #f8fcf9, #f9faf6 64%, #edf2e7);
    border-bottom: 1px solid var(--interior-line);
    text-align: left;
}
.interior-page .blog-hero .section-title,
.interior-page .id-hero .section-title { max-width: 780px; margin: 0 0 22px !important; }
.interior-page .blog-hero .section-subtitle,
.interior-page .id-hero .section-subtitle { margin: 0 !important; max-width: 620px; }
.interior-page nav[aria-label="Breadcrumb"] { color: var(--interior-muted); font-size: 12px !important; margin-bottom: 28px !important; }
.interior-page nav[aria-label="Breadcrumb"] a { color: var(--interior-green); }
.interior-hero-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 76px; align-items: center; }
.interior-hero-copy { min-width: 0; }
.interior-hero-visual { position: relative; margin: 0; min-width: 0; }
.interior-hero-visual > img { width: 100%; height: 360px; object-fit: cover; border-radius: 140px 140px 12px 12px; }
.interior-hero-visual figcaption {
    position: absolute;
    left: -26px;
    right: 26px;
    bottom: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 22px;
    border: 1px solid rgba(255,255,255,.85);
    border-radius: 12px;
    background: rgba(246,249,239,.88);
    backdrop-filter: blur(16px);
    color: #355541;
    font-family: var(--font-display, Georgia, serif);
    font-size: 18px;
    font-style: italic;
    line-height: 1.4;
}
.interior-visual-mark { font-family: var(--font-body, sans-serif); font-size: 27px; font-style: normal; }
.interior-page .blog-listing { padding: 54px 0 80px; }
.interior-page .kb-controls { gap: 14px; margin-bottom: 40px; }
.interior-page .kb-search-label { font-weight: 600; color: #42574a; font-size: 13px; }
.interior-page .kb-controls input,
.interior-page .plants-search,
.interior-page .plants-filter {
    min-height: 54px;
    border: 1px solid #cbd7ca;
    border-radius: 9px;
    background-color: #fff;
    padding: 13px 18px;
    color: var(--interior-ink);
    font-size: 15px;
}
.interior-page .kb-controls input { max-width: 520px; }
.interior-page .category-filters { gap: 8px; margin-top: 6px; }
.interior-page .category-filters .category-btn { font-size: 12px; padding: 9px 15px; border-radius: 6px; background: transparent; border-color: var(--interior-line); }
.interior-page .category-filters .category-btn.active { background: var(--interior-green); color: #fff; border-color: var(--interior-green); }
.interior-page .posts-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.interior-page .post-card {
    padding: 30px;
    border: 1px solid var(--interior-line);
    border-radius: 12px;
    gap: 16px;
    background: #fffefa;
    box-shadow: none;
}
.interior-page .post-card:hover { transform: translateY(-2px); border-color: #9bb29c; box-shadow: none; }
.interior-page .post-card-category,
.interior-page .post-category { color: #52705b; font-size: 10px; letter-spacing: .13em; background: none; padding: 0; border-radius: 0; }
.interior-page .post-card-title { font-family: var(--font-display, Georgia, serif); font-size: 27px; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.interior-page .post-card-excerpt { font-size: 14px; line-height: 1.7; color: var(--interior-muted); }
.interior-page .post-card-meta { font-size: 11px; color: #758076; }
.interior-page .post-card-link { font-size: 13px; margin-top: auto; }
.interior-page .pagination { margin-top: 40px; }
.interior-page .pagination-number,
.interior-page .pagination-btn { border-color: var(--interior-line); border-radius: 6px; }
.interior-page .pagination-number.active { border-color: var(--interior-green); background: var(--interior-green); }

/* The plant library: images carry the visual hierarchy. */
.interior-page .plants-page { padding-top: 0; padding-bottom: 80px; }
.interior-page .plants-hero { padding: 64px 0; text-align: left; }
.interior-page .plants-subtitle { margin: 22px 0 0; }
.interior-page .plants-title { max-width: 540px; }
.interior-page .plants-tools { justify-content: flex-start; flex-wrap: nowrap; gap: 10px; margin-top: 28px; }
.interior-page .plants-search { min-width: 0; width: 100%; }
.interior-page .plants-filter { max-width: 150px; }
.interior-page .plants-hero-cta { font-size: 13px; color: var(--interior-green); }
.interior-page .plants-hero-cta strong { font-weight: 600; }
.interior-page .plants-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px 24px; }
.interior-page .plant-card { text-align: left; background: transparent; border: 0; padding: 0 0 18px; border-bottom: 1px solid var(--interior-line); border-radius: 0; gap: 4px; box-shadow: none; }
.interior-page .plant-card:hover { box-shadow: none; border-color: #8fac97; transform: translateY(-2px); }
.interior-page .plant-card-img { width: 100%; height: auto; aspect-ratio: 1.08; border-radius: 10px; margin-bottom: 12px; }
.interior-page .plant-card-name { font-family: var(--font-display, Georgia, serif); font-size: 24px; letter-spacing: -.02em; font-weight: 400; line-height: 1.25; }
.interior-page .plant-card-sci { font-size: 12px; color: var(--interior-muted); }
.interior-page .plant-card-type { padding-top: 8px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.interior-page .plants-count { margin: 40px 0 0; }
.interior-page .plant-page { padding-top: 32px; padding-bottom: 80px; }
.interior-page .plant-hero { gap: 72px; padding: 48px; border-radius: 16px; background: #eff3ea; border: 0; margin-bottom: 56px; }
.interior-page .plant-title { font-size: clamp(42px, 4.5vw, 68px); }
.interior-page .plant-scientific { font-size: 20px; margin-top: 20px; color: #4f6c58; }
.interior-page .plant-alt-names { font-size: 13px; color: var(--interior-muted); }
.interior-page .plant-meta { gap: 8px 16px; line-height: 1.7; margin-top: 24px; font-size: 12px; }
.interior-page .plant-type-badge { font-weight: 500; padding: 3px 12px; }
.interior-page .plant-cta { margin-top: 32px; }
.interior-page .plant-cta .btn { min-height: 50px; }
.interior-page .plant-cta-note { max-width: 320px; line-height: 1.6; margin-top: 12px; }
.interior-page .plant-hero-figure { width: min(380px, 40%); }
.interior-page .plant-hero-figure img { border: 0; border-radius: 130px 130px 10px 10px; aspect-ratio: 1; }
.interior-page .plant-photo-credit { font-size: 9px; line-height: 1.5; margin-top: 10px; }
.interior-page .plant-section { padding: 0; margin-top: 48px; }
.interior-page .plant-section-title { font-family: var(--font-display, Georgia, serif); font-size: 34px; font-weight: 400; letter-spacing: -.03em; margin-bottom: 24px; }
.interior-page .plant-care-table-wrap { border-color: var(--interior-line); border-radius: 12px; background: #fffefa; }
.interior-page .plant-care-table th,
.interior-page .plant-care-table td { padding: 19px 24px; font-size: 15px; border-color: var(--interior-line); }
.interior-page .plant-care-table th { width: 190px; background: #f0f4ec; color: #365640; font-weight: 600; }
.interior-page .plant-issues { gap: 24px; }
.interior-page .plant-issue { padding: 28px; border-color: var(--interior-line); background: transparent; border-radius: 12px; }
.interior-page .plant-issue-title { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.interior-page .plant-issue-causes,
.interior-page .plant-issue-solutions { line-height: 1.7; }
.interior-page .plant-related-card { border-radius: 9px; border-color: var(--interior-line); padding: 20px; background: #fffefa; }
.interior-page .plant-related-card:hover { box-shadow: none; background: #f1f5ed; }
.interior-page .plant-related-card .prc-name { font-weight: 600; }
.interior-page .plant-badge { padding: 6px 13px; font-size: 12px; font-weight: 500; }

/* Calm, readable articles and reference material. */
.interior-page .blog-post { max-width: 860px; padding: 42px 24px 80px; }
.interior-page .post-hero-image { border-radius: 12px; aspect-ratio: auto; overflow: hidden; margin-bottom: 36px; }
.interior-page .post-hero-image img { aspect-ratio: 16 / 9; height: auto; }
.interior-page .post-hero-image figcaption { padding: 10px 0; font-size: 10px; background: var(--interior-paper); border: 0; text-align: left; }
.interior-page .back-link { color: #50715a; font-size: 12px; margin-bottom: 28px; }
.interior-page .post-title { font-size: clamp(38px, 4vw, 58px); margin: 18px 0 24px; }
.interior-page .post-meta { font-size: 12px; gap: 10px; }
.interior-page .post-content { font-size: 17px; line-height: 1.85; color: #4f5d53; }
.interior-page .post-content .lead { font-size: 21px; line-height: 1.65; color: #3d5143; }
.interior-page .post-content h2 { font-family: var(--font-display, Georgia, serif); font-size: 34px; font-weight: 400; letter-spacing: -.025em; margin: 52px 0 20px; }
.interior-page .post-content h3 { font-size: 20px; font-weight: 600; margin-top: 32px; }
.interior-page .post-content a:not(.btn):not(.toolkit-inline) { color: var(--interior-green); text-decoration: underline; text-decoration-color: #b6c8b6; text-underline-offset: 4px; }
.interior-page .post-content blockquote { border-radius: 0; border-left: 2px solid #6d987c; background: #eef3e9; padding: 24px 28px; }
.interior-page .post-content blockquote p { font-family: var(--font-display, Georgia, serif); font-size: 23px; color: #35523e; }
.interior-page .post-navigation { margin-top: 56px; border-color: var(--interior-line); }
.interior-page .post-nav-link { border-color: var(--interior-line); padding: 18px; border-radius: 9px; }
.interior-page .related-posts { margin-top: 64px; padding: 0; }
.interior-page .related-posts .section-title { font-size: 36px; }
.interior-page .related-posts .posts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.interior-page .toolkit-inline { background: #f0f4ea; border: 1px solid var(--interior-line); border-radius: 12px; padding: 24px; margin: 32px 0; box-shadow: none; }
.interior-page .toolkit-inline:hover { box-shadow: none; border-color: #a3b9a6; }
.interior-page .toolkit-inline-tag { font-size: 10px; }
.interior-page .toolkit-inline-title { font-family: var(--font-display, Georgia, serif); font-size: 24px; font-weight: 400; letter-spacing: -.02em; }
.interior-page .toolkit-inline-desc { font-size: 13px; }
.interior-page .ebook-inline-cta { border-radius: 12px; background: #e9efe2; padding: 32px; color: #36513e; }
.interior-page .ebook-inline-text h3 { color: #244931; font-family: var(--font-display, Georgia, serif); font-size: 26px; font-weight: 400; }
.interior-page .ebook-inline-text p { font-size: 14px; line-height: 1.7; }
.interior-page .ebook-inline-cta .ebook-tag { color: #4c6f53; background: none; padding: 0; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.interior-page .ebook-inline-cta .btn-primary { background: var(--interior-green); color: #fff; }
.interior-page .share-block { margin: 56px 0 0; padding: 32px 0 0; border: 0; border-top: 1px solid var(--interior-line); border-radius: 0; background: none; }
.interior-page .share-title { font-family: var(--font-display, Georgia, serif); font-weight: 400; font-size: 26px; line-height: 1.3; }
.interior-page .share-btn { border-radius: 6px; box-shadow: none; font-size: 12px; }

/* Useful tools: quiet form surfaces, clear results, generous touch targets. */
.page-tools-index #tool-content > section:last-child > .container { max-width: var(--maxw) !important; }
.interior-page .tools-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 0 0 64px; }
.interior-page .tool-card { padding: 30px; border-color: var(--interior-line); border-radius: 12px; background: #fffefa; gap: 15px; }
.interior-page .tool-card:hover { box-shadow: none; border-color: #a4b8a4; }
.interior-page .tool-card-icon { background: transparent; width: 44px; height: 44px; justify-content: flex-start; border-radius: 0; margin-bottom: 8px; }
.interior-page .tool-card-icon svg { width: 32px; height: 32px; color: var(--interior-green); }
.interior-page .tool-card h2 { font-family: var(--font-display, Georgia, serif); font-size: 28px; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.interior-page .tool-card p { color: var(--interior-muted); font-size: 14px; line-height: 1.7; }
.interior-page .tool-card .post-card-link { padding-top: 12px; }
.page-tools-detail .blog-hero { padding: 52px 0 46px; }
.page-tools-detail .blog-hero .container { max-width: 820px; }
/* A text-only hero shares one left edge with the column under it: the topic
   hubs, journal, search, research and growth tools read in an 820px column,
   and the five instrumented tools lay out at 1180px. */
.page-growth .blog-hero > .container,
.page-research .blog-hero > .container { max-width: 820px; }
.page-leaf-diagnosis-tree .blog-hero .container,
.page-propagation-tracker .blog-hero .container,
.page-repotting-planner .blog-hero .container,
.page-sunlight-compass .blog-hero .container,
.page-vpd-heatmap .blog-hero .container { max-width: 1180px; }
/* two studies in an 820px column: two columns, not three narrow ones */
.page-research .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.page-tools-detail .blog-hero .section-title { font-size: clamp(40px, 4vw, 58px); }
.page-tools-detail #tool-content > section:last-child { padding-top: 40px; }
.interior-page .calc { padding: 36px; border-radius: 12px; border-color: var(--interior-line); margin: 0 0 48px; background: #fffefa; }
.interior-page .calc-field { margin-bottom: 26px; }
.interior-page .calc-field label { font-size: 14px; color: #35503d; font-weight: 600; margin-bottom: 9px; }
.interior-page .calc-field select,
.interior-page .calc-field input[type="number"],
.interior-page .calc-field input[type="text"],
.interior-page .calc-field input[type="search"] { min-height: 52px; border-color: #ccd8c9; background: #fff; border-radius: 8px; font-size: 15px; padding: 12px 15px; }
.interior-page .calc-field .hint { margin-top: 9px; color: var(--interior-muted); font-size: 12px; }
.interior-page .calc-radio span { display: inline-flex; align-items: center; min-height: 44px; border-color: #ccd8c9; border-radius: 6px; font-size: 13px; font-weight: 500; }
.interior-page .calc-radio input:checked + span { background: var(--interior-green); border-color: var(--interior-green); }
.interior-page .calc-result { padding: 28px; border: 0; border-radius: 10px; background: #ecf3e6; color: #3b5540; }
.interior-page .calc-result h3 { font-weight: 500; font-size: 17px; }
.interior-page .calc-result .big-number { font-family: var(--font-display, Georgia, serif); font-size: 42px; font-weight: 400; }
.interior-page .tox-result { padding: 22px; border-color: var(--interior-line); border-radius: 10px; background: #fffefa; }
.page-tools-index #tool-content > section:last-child h2:not(.tool-card h2),
.page-tools-detail #tool-content > section:last-child > .container > h2 { font-family: var(--font-display, Georgia, serif); font-size: 32px; font-weight: 400; line-height: 1.25; margin-bottom: 20px; }
.page-tools-index #tool-content > section:last-child > .container > p,
.page-tools-detail #tool-content > section:last-child > .container > p { color: var(--interior-muted); line-height: 1.8; max-width: 75ch; }
.page-tools-index #tool-content > section:last-child > .container > p a,
.page-tools-detail #tool-content > section:last-child > .container > p a { color: var(--interior-green); text-decoration: underline; text-underline-offset: 3px; }

/* About, toolkit, and identifier landing pages. */
.page-about #page-content > section:last-child,
.page-toolkit #page-content > section:last-child { padding: 64px 0 80px; }
.page-toolkit .interior-hero-visual img { object-fit: contain; border-radius: 12px; height: auto; aspect-ratio: 880/591; background: #eff1e6; }
.page-toolkit .interior-hero-visual figcaption { bottom: -26px; }
.page-toolkit .interior-hero-layout { grid-template-columns: 1.1fr 1fr; }
.page-toolkit .blog-hero { padding-bottom: 82px; }
.page-identifier .id-hero .hero-buttons { justify-content: flex-start; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.page-identifier .id-hero .hero-note { margin-top: 18px; color: var(--interior-muted); font-size: 12px; }
.page-identifier .id-hero .section-title { font-size: clamp(44px, 4.4vw, 65px); }
.page-identifier .interior-hero-visual img { height: 450px; }
.page-identifier .id-section { padding: 80px 0; }
.page-identifier .id-section.alt { background: #f0f4eb; }
.page-identifier .id-section .section-title { font-size: 42px; max-width: 780px; }
.page-identifier .steps-grid { margin-top: 42px; gap: 40px; }
.page-identifier .step-card { padding: 0; border: 0; background: none; }
.page-identifier .step-num { background: transparent; color: #6d9376; justify-content: flex-start; font-family: var(--font-display, Georgia, serif); font-size: 44px; font-weight: 400; height: auto; margin-bottom: 20px; }
.page-identifier .step-card h3 { font-family: var(--font-display, Georgia, serif); font-size: 26px; font-weight: 400; line-height: 1.2; margin-bottom: 14px; }
.page-identifier .step-card p,
.page-identifier .feat-item p { font-size: 14px; color: var(--interior-muted); line-height: 1.75; }
.page-identifier .feat-grid { gap: 0 40px; margin-top: 32px; }
.page-identifier .feat-item { padding: 24px 0; border: 0; border-top: 1px solid #d5dfd0; border-radius: 0; background: none; }
.page-identifier .feat-item h3 { font-size: 17px; margin-bottom: 12px; }
.page-identifier .id-list { margin-top: 32px; padding-left: 20px; color: #536759; }
.page-identifier .privacy-note { padding: 28px; background: #edf3e8; border-radius: 10px; color: #45634e; font-size: 15px; }
.page-identifier .id-faq { margin: 32px 0 0; max-width: 860px; }
.page-identifier .id-faq details { border: 0; border-top: 1px solid #d5dfd0; padding: 22px 0; border-radius: 0; margin: 0; }
.page-identifier .id-faq summary { font-size: 17px; font-weight: 500; }
.page-identifier .id-faq p { font-size: 15px; line-height: 1.8; }
.page-identifier .id-cta { background: #e9efe2; color: #294e36; padding: 56px 32px; border-radius: 12px; }
.page-identifier .id-cta h2 { color: #244931; font-size: 42px; margin-left: auto; margin-right: auto; }
.page-identifier .id-cta p { color: #5b705f; }
.page-error { min-height: 100vh; display: flex; flex-direction: column; }
.page-error .error-main { flex: 1; display: grid; place-items: center; padding: calc(var(--header-height, 72px) + 80px) 24px 80px; background: linear-gradient(115deg, #f8fcf9, #f0f4e9); }
.page-error .error-container { max-width: 560px; text-align: center; }
.page-error .error-icon { color: #6b9675; margin-bottom: 18px; }
.page-error .error-icon svg { width: 48px; height: 48px; }
.page-error .error-code { font-family: var(--font-display, Georgia, serif); font-size: 130px; line-height: 1; color: #2e6445; letter-spacing: -.05em; }
.page-error .error-container h1 { font-family: var(--font-display, Georgia, serif); font-size: 40px; font-weight: 400; letter-spacing: -.025em; margin: 20px 0 16px; line-height: 1.1; }
.page-error .error-container p { color: var(--interior-muted); font-size: 17px; margin-bottom: 28px; }
.page-error .error-container .btn { background: var(--interior-green); color: #fff; padding: 14px 28px; }
.page-error .error-container .btn svg { width: 18px; height: 18px; }
.page-error .plant-decoration { display: none; }

@media (min-width: 1440px) {
    .interior-hero-layout { gap: 100px; }
    .interior-hero-visual > img { height: 410px; }
}
@media (max-width: 1024px) {
    .interior-hero-layout { gap: 40px; grid-template-columns: 1.15fr .9fr; }
    .interior-hero-visual > img { height: 330px; border-radius: 110px 110px 10px 10px; }
    .interior-hero-visual figcaption { left: -16px; right: 16px; padding: 15px; font-size: 16px; }
    .interior-page .posts-grid,
    .interior-page .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .interior-page .plants-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .interior-page .plant-hero { gap: 36px; padding: 32px; }
    .page-identifier .id-hero .hero-buttons .btn { font-size: 13px; }
}
@media (max-width: 720px) {
    .interior-page .blog-hero,
    .interior-page .id-hero { padding: 40px 0; }
    .interior-hero-layout,
    .page-toolkit .interior-hero-layout { grid-template-columns: 1fr; gap: 32px; }
    .interior-page .section-title,
    .interior-page .plants-title { font-size: 44px; }
    .interior-page .section-subtitle,
    .interior-page .plants-subtitle { font-size: 16px; line-height: 1.65; }
    .interior-page .section-tag { font-size: 10px; margin-bottom: 16px; }
    .interior-hero-visual { width: 100%; max-width: 480px; margin: 0 auto; }
    .interior-hero-visual > img { height: 260px; border-radius: 90px 90px 10px 10px; }
    .interior-hero-visual figcaption { left: 14px; right: 14px; bottom: 16px; padding: 14px 16px; font-size: 17px; }
    .interior-page .plants-hero { padding: 40px 0; }
    .interior-page .plants-tools { flex-wrap: wrap; }
    .interior-page .plants-search { min-width: 0; width: 100%; }
    .interior-page .plants-filter { max-width: none; width: 100%; }
    .interior-page .plants-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
    .interior-page .plant-card-name { font-size: 21px; }
    .interior-page .plant-card-sci { font-size: 11px; }
    .interior-page .plant-hero { padding: 28px; gap: 28px; margin-bottom: 40px; }
    .interior-page .plant-title { font-size: 43px; }
    .interior-page .plant-scientific { font-size: 18px; margin-top: 16px; }
    .interior-page .plant-hero-figure { width: 100%; max-width: 400px; }
    .interior-page .plant-hero-figure img { aspect-ratio: 1.2; border-radius: 90px 90px 10px 10px; }
    .interior-page .plant-care-table th,
    .interior-page .plant-care-table td { padding: 15px 13px; font-size: 13px; }
    .interior-page .plant-care-table th { width: 105px; }
    .interior-page .plant-section-title { font-size: 30px; }
    .interior-page .plant-issues { grid-template-columns: 1fr; gap: 16px; }
    .interior-page .plant-issue { padding: 22px; }
    .interior-page .blog-listing { padding: 40px 0 64px; }
    .interior-page .posts-grid { grid-template-columns: 1fr; gap: 20px; }
    .interior-page .tools-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    .interior-page .post-card { padding: 26px; }
    .interior-page .post-card-title { font-size: 28px; }
    .interior-page .blog-post { padding: 28px 24px 64px; }
    .interior-page .post-title { font-size: 40px; }
    .interior-page .post-content { font-size: 16px; line-height: 1.8; }
    .interior-page .post-content .lead { font-size: 19px; }
    .interior-page .post-content h2 { font-size: 30px; margin-top: 40px; }
    .interior-page .post-meta { flex-wrap: wrap; }
    .interior-page .related-posts .posts-grid { grid-template-columns: 1fr; }
    .interior-page .toolkit-inline { padding: 20px; }
    .interior-page .ebook-inline-cta { padding: 24px; }
    .interior-page .share-block { margin-top: 40px; }
    .interior-page .share-title { font-size: 25px; }
    .interior-page .calc { padding: 22px; }
    .interior-page .calc-result { padding: 22px; }
    .page-about #page-content > section:last-child,
    .page-toolkit #page-content > section:last-child { padding: 40px 0 64px; }
    .page-toolkit .interior-hero-visual figcaption { position: static; margin: 12px 0 0; padding: 0; background: none; border: 0; font-size: 15px; }
    .page-identifier .id-hero .section-title { font-size: 44px; }
    .page-identifier .interior-hero-visual img { height: 280px; }
    .page-identifier .id-section { padding: 56px 0; }
    .page-identifier .id-section .section-title { font-size: 35px; }
    .page-identifier .steps-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 32px; }
    .page-identifier .step-card { padding-top: 24px; border-top: 1px solid var(--interior-line); }
    .page-identifier .step-num { font-size: 35px; margin-bottom: 12px; }
    .page-identifier .id-cta { padding: 40px 24px; }
    .page-error .error-main { padding-top: calc(var(--header-height, 72px) + 48px); }
    .page-error .error-code { font-size: 110px; }
}
@media (prefers-reduced-motion: reduce) {
    .interior-page .plant-card,
    .interior-page .post-card,
    .interior-page .tool-card,
    .interior-page .toolkit-inline { transition: none; }
    .interior-page .plant-card:hover,
    .interior-page .post-card:hover,
    .interior-page .tool-card:hover,
    .interior-page .toolkit-inline:hover { transform: none; }
}
.interior-hero-visual > img[src*="botanical-reference"] { object-position: 90% center; }
/* Long journals keep every page reachable without horizontal scrolling. */
.interior-page .pagination-numbers { flex-wrap: wrap; justify-content: center; max-width: 100%; }

/* Plant collection hubs, quick-answer FAQ and browse chips */
.interior-page .hub-hero{padding-bottom:8px}
.interior-page .hub-hero .interior-hero-copy{max-width:760px}
.hub-chips{display:flex;flex-wrap:wrap;gap:10px}
.hub-chips--index{margin:0 0 34px}
.hub-chip{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:8px 16px;border:1px solid var(--interior-line,#dce3d9);border-radius:999px;font-size:14px;font-weight:600;color:var(--color-gray-800,#25332d);background:rgba(255,255,255,.55);transition:border-color .15s,color .15s,background .15s}
.hub-chip span{font-weight:500;color:var(--color-gray-500,#727b75);font-size:13px}
.hub-chip:hover{border-color:#8fac97;color:var(--color-primary,#28684e);background:#fff}
.hub-copy{max-width:68ch;font-size:17px;line-height:1.75;color:var(--color-gray-700,#354139);margin:0 0 14px}
.hub-related{max-width:68ch;margin:18px 0 0;padding-left:20px;line-height:1.9}
.hub-related a{color:var(--color-primary,#28684e);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.plant-faq{max-width:760px;border-top:1px solid var(--interior-line,#dce3d9)}
.plant-faq-item{border-bottom:1px solid var(--interior-line,#dce3d9)}
.plant-faq-item summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-weight:700;font-size:17px;line-height:1.4;position:relative;color:var(--color-gray-900,#111a1a)}
.plant-faq-item summary::-webkit-details-marker{display:none}
.plant-faq-item summary::after{content:'+';position:absolute;right:4px;top:14px;font-weight:400;font-size:24px;color:var(--color-primary,#28684e);transition:transform .2s}
.plant-faq-item[open] summary::after{transform:rotate(45deg)}
.plant-faq-item p{margin:0 0 18px;max-width:64ch;line-height:1.75;color:var(--color-gray-600,#5a625f)}
@media (prefers-reduced-motion:reduce){.plant-faq-item summary::after,.hub-chip{transition:none}}

.interior-page .hub-hero .plants-title{font-size:clamp(34px,4.2vw,56px);line-height:1.08}
.hub-note{display:block;border:1px solid var(--color-gray-200,#dce3d9);background:var(--color-gray-50,#f7f9f4);border-radius:var(--r-md,10px);padding:var(--s-4,16px) var(--s-5,20px);margin:var(--s-6,24px) 0;font-size:var(--fs-sm,15px);line-height:1.7;color:var(--color-gray-600,#5a625f)}
.hub-note a{font-weight:700;color:var(--color-primary,#28684e);text-decoration:underline;text-underline-offset:3px}
@media (max-width:640px){.interior-page .hub-hero .plants-title{font-size:32px}}