/* ============================================================
   trees.css — PlantCare.dotiam.com
   Tree Single Page — tr- prefix
   ============================================================ */

/* ── VARIABLES (inherit from global.css) ─────────────────── */
:root {
    --tr-green:     #16a34a;
    --tr-green-d:   #14532d;
    --tr-green-l:   #4ade80;
    --tr-green-bg:  #f0fdf4;
    --tr-border:    #bbf7d0;
    --tr-border-d:  #86efac;
    --tr-text:      #1f2937;
    --tr-muted:     #6b7280;
    --tr-surface:   #ffffff;
    --tr-bg:        #f0fdf4;
    --tr-radius:    12px;
    --tr-radius-lg: 18px;
    --tr-shadow:    0 2px 16px rgba(22,163,74,.10);
    --tr-shadow-lg: 0 8px 40px rgba(22,163,74,.16);
    --tr-font:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── HERO — Split Layout ─────────────────────────────────── */
.tr-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 480px;
    max-height: 580px;
}

/* Left: Image */
.tr-hero-img-wrap {
    position: relative;
    overflow: hidden;
    background: #1a2e1a;
}
.tr-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.tr-hero-img-wrap:hover .tr-hero-img {
    transform: scale(1.04);
}
.tr-hero-img-ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    min-height: 480px;
}
.tr-img-credit {
    position: absolute;
    bottom: 10px;
    left: 12px;
    font-size: .65rem;
    color: rgba(255,255,255,.7);
    font-family: var(--tr-font);
    background: rgba(0,0,0,.35);
    padding: 3px 8px;
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

/* Right: Content */
.tr-hero-content {
    background: linear-gradient(160deg, #0f2d1a 0%, #14532d 60%, #166534 100%);
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    position: relative;
    overflow: hidden;
}
.tr-hero-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.tr-hero-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: .74rem;
    font-weight: 700;
    text-decoration: none;
    font-family: var(--tr-font);
    width: fit-content;
    transition: opacity .2s;
}
.tr-hero-cat:hover { opacity: .8; }

.tr-hero-h1 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin: 0;
    font-family: var(--tr-font);
    text-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.tr-hero-h1-hi {
    display: block;
    font-size: clamp(.9rem, 1.8vw, 1.1rem);
    font-weight: 600;
    color: rgba(255,255,255,.78);
    margin-top: 5px;
}

.tr-hero-sci {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.tr-hero-sci em {
    font-size: .85rem;
    color: rgba(255,255,255,.7);
    font-family: var(--tr-font);
}
.tr-hero-family {
    font-size: .72rem;
    color: rgba(255,255,255,.55);
    font-family: var(--tr-font);
    background: rgba(255,255,255,.1);
    padding: 2px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.15);
}

.tr-hero-desc {
    font-size: .86rem;
    color: rgba(255,255,255,.82);
    line-height: 1.65;
    margin: 0;
    font-family: var(--tr-font);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Pills row */
.tr-hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tr-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    color: #fff;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 600;
    font-family: var(--tr-font);
    white-space: nowrap;
}
.tr-pill-green {
    background: rgba(34,197,94,.2);
    border-color: rgba(34,197,94,.4);
    color: #bbf7d0;
}
.tr-pill-red {
    background: rgba(239,68,68,.2);
    border-color: rgba(239,68,68,.4);
    color: #fca5a5;
}
.tr-pill-gold {
    background: rgba(251,191,36,.15);
    border-color: rgba(251,191,36,.3);
    color: #fde68a;
}

/* Share row */
.tr-hero-share {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.tr-share-wa {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #25d366;
    color: #fff;
    border-radius: 20px;
    font-size: .76rem;
    font-weight: 700;
    text-decoration: none;
    font-family: var(--tr-font);
    transition: all .2s;
}
.tr-share-wa:hover { background: #1ebe5d; transform: translateY(-1px); }
.tr-share-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    border-radius: 20px;
    font-size: .76rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--tr-font);
    transition: all .2s;
}
.tr-share-copy:hover { background: rgba(255,255,255,.25); }
.tr-share-label {
    font-size: .74rem;
    color: var(--tr-muted);
    font-family: var(--tr-font);
    align-self: center;
}

/* ── MAIN LAYOUT ─────────────────────────────────────────── */
.tr-layout { background: var(--tr-bg); padding: 0 0 60px; }
.tr-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 0;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 28px;
    align-items: start;
}

/* ── ARTICLE ─────────────────────────────────────────────── */
.tr-article {
    background: var(--tr-surface);
    border-radius: var(--tr-radius-lg);
    border: 1.5px solid var(--tr-border);
    overflow: hidden;
    box-shadow: var(--tr-shadow);
}

.tr-art-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 18px 24px 0;
}
.tr-art-tag {
    background: var(--tr-green-bg);
    color: var(--tr-green-d);
    border: 1px solid var(--tr-border);
    border-radius: 20px;
    padding: 3px 11px;
    font-size: .68rem;
    font-weight: 700;
    font-family: var(--tr-font);
}

.tr-art-intro-hi {
    margin: 12px 24px 0;
    padding: 12px 16px;
    background: #fff8f1;
    border: 1px solid #fed7aa;
    border-radius: var(--tr-radius);
    font-size: .8rem;
    color: #92400e;
    line-height: 1.7;
    font-family: var(--tr-font);
    font-style: italic;
}

.tr-art-body { padding: 20px 24px 0; }
.tr-art-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 16px 24px;
    margin-top: 24px;
    border-top: 1px solid var(--tr-border);
    background: var(--tr-bg);
}
.tr-art-updated {
    font-size: .7rem;
    color: var(--tr-muted);
    margin-left: auto;
    font-family: var(--tr-font);
}

/* ── ARTICLE INNER ELEMENTS ──────────────────────────────── */
.tr-section { margin-bottom: 32px; }

.tr-h2 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--tr-green-d);
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--tr-border);
    font-family: var(--tr-font);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tr-p {
    font-size: .88rem;
    color: #374151;
    line-height: 1.85;
    margin: 0 0 14px;
    font-family: var(--tr-font);
}
.tr-p-hi {
    font-size: .8rem;
    color: #92400e;
    line-height: 1.75;
    font-style: italic;
    background: #fff8f1;
    border: 1px solid #fed7aa;
    border-radius: var(--tr-radius);
    padding: 12px 16px;
    margin: 0 0 14px;
    font-family: var(--tr-font);
}

/* Parts grid — 2 col cards for each tree part */
.tr-parts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.tr-part-card {
    background: var(--tr-bg);
    border: 1.5px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 16px;
    transition: all .2s;
}
.tr-part-card:hover {
    border-color: var(--tr-border-d);
    box-shadow: 0 4px 16px rgba(22,163,74,.1);
    transform: translateY(-2px);
}
.tr-part-icon { font-size: 1.6rem; display: block; margin-bottom: 8px; }
.tr-part-title {
    font-size: .84rem;
    font-weight: 800;
    color: var(--tr-green-d);
    margin-bottom: 6px;
    font-family: var(--tr-font);
}
.tr-part-text {
    font-size: .78rem;
    color: var(--tr-text);
    line-height: 1.65;
    font-family: var(--tr-font);
}

/* Table */
.tr-table-wrap { overflow-x: auto; margin-bottom: 16px; border-radius: var(--tr-radius); border: 1px solid var(--tr-border); }
.tr-table { width: 100%; border-collapse: collapse; font-family: var(--tr-font); }
.tr-table th {
    background: var(--tr-green-d);
    color: #fff;
    padding: 10px 14px;
    font-size: .78rem;
    font-weight: 700;
    text-align: left;
}
.tr-table td {
    padding: 10px 14px;
    font-size: .8rem;
    color: var(--tr-text);
    border-bottom: 1px solid var(--tr-border);
    vertical-align: top;
    line-height: 1.55;
}
.tr-table tr:last-child td { border-bottom: none; }
.tr-table tr:nth-child(even) td { background: var(--tr-bg); }

/* Quick box — market/legal info */
.tr-quick-box {
    background: linear-gradient(135deg, #0f2d1a, #14532d);
    border-radius: var(--tr-radius-lg);
    padding: 20px;
    margin-bottom: 14px;
}
.tr-quick-title {
    font-size: .82rem;
    font-weight: 800;
    color: #4ade80;
    margin-bottom: 14px;
    font-family: var(--tr-font);
    letter-spacing: .3px;
}
.tr-quick-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.tr-quick-item {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px;
    padding: 12px;
}
.tr-quick-label {
    font-size: .68rem;
    font-weight: 800;
    color: #86efac;
    margin-bottom: 4px;
    font-family: var(--tr-font);
}
.tr-quick-val {
    font-size: .76rem;
    color: rgba(255,255,255,.85);
    line-height: 1.45;
    font-family: var(--tr-font);
}
.tr-quick-val-hi {
    font-size: .68rem;
    color: rgba(255,255,255,.55);
    font-style: italic;
    margin-top: 3px;
    font-family: var(--tr-font);
}

/* List */
.tr-list { padding-left: 0; list-style: none; margin: 0 0 14px; }
.tr-list li {
    font-size: .85rem;
    color: var(--tr-text);
    line-height: 1.75;
    padding: 8px 0 8px 20px;
    position: relative;
    border-bottom: 1px solid var(--tr-border);
    font-family: var(--tr-font);
}
.tr-list li:last-child { border-bottom: none; }
.tr-list li::before {
    content: '🌳';
    position: absolute;
    left: 0;
    top: 8px;
    font-size: .75rem;
}

/* Link */
.tr-link {
    color: var(--tr-green);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed var(--tr-border-d);
    transition: color .2s;
}
.tr-link:hover { color: var(--tr-green-d); }

/* FAQ */
.tr-faq-list { margin-top: 20px; }
.tr-faq-item {
    border: 1.5px solid var(--tr-border);
    border-radius: var(--tr-radius);
    overflow: hidden;
    margin-bottom: 10px;
    transition: border-color .2s;
}
.tr-faq-item.open { border-color: var(--tr-border-d); }
.tr-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    background: var(--tr-bg);
    border: none;
    cursor: pointer;
    font-size: .85rem;
    font-weight: 700;
    color: var(--tr-text);
    text-align: left;
    transition: background .2s;
    font-family: var(--tr-font);
}
.tr-faq-q:hover { background: rgba(22,163,74,.08); }
.tr-faq-q::after {
    content: '+';
    font-size: 1.2rem;
    color: var(--tr-green);
    flex-shrink: 0;
    transition: transform .3s;
    font-weight: 400;
}
.tr-faq-item.open .tr-faq-q::after { transform: rotate(45deg); }
.tr-faq-a {
    display: none;
    padding: 14px 16px;
    font-size: .84rem;
    color: #374151;
    line-height: 1.8;
    border-top: 1px solid var(--tr-border);
    font-family: var(--tr-font);
}
.tr-faq-item.open .tr-faq-a { display: block; }

/* ── SIDEBAR ─────────────────────────────────────────────── */
.tr-sidebar {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 90px;
}
.tr-sb-card {
    background: var(--tr-surface);
    border: 1.5px solid var(--tr-border);
    border-radius: var(--tr-radius-lg);
    overflow: hidden;
    box-shadow: var(--tr-shadow);
}
.tr-sb-header {
    padding: 13px 16px;
    font-size: .8rem;
    font-weight: 800;
    color: var(--tr-green-d);
    border-bottom: 1px solid var(--tr-border);
    background: var(--tr-bg);
    font-family: var(--tr-font);
    letter-spacing: .2px;
}

/* TOC */
.tr-toc-list { padding: 10px 12px; }
.tr-toc-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    text-decoration: none;
    transition: all .18s;
    margin-bottom: 2px;
}
.tr-toc-item:hover,
.tr-toc-item.active {
    background: var(--tr-green-bg);
    color: var(--tr-green-d);
}
.tr-toc-num {
    font-size: .7rem;
    font-weight: 800;
    color: var(--tr-green);
    flex-shrink: 0;
    margin-top: 1px;
    font-family: var(--tr-font);
}
.tr-toc-text {
    font-size: .78rem;
    color: var(--tr-text);
    line-height: 1.4;
    font-family: var(--tr-font);
}
.tr-toc-item.active .tr-toc-text { color: var(--tr-green-d); font-weight: 700; }

/* Facts */
.tr-facts-list { padding: 10px 12px; }
.tr-fact-row {
    display: flex;
    gap: 10px;
    padding: 9px 4px;
    border-bottom: 1px solid var(--tr-border);
    align-items: flex-start;
}
.tr-fact-row:last-child { border-bottom: none; }
.tr-fact-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.tr-fact-body { flex: 1; min-width: 0; }
.tr-fact-label {
    font-size: .65rem;
    color: var(--tr-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    font-weight: 600;
    font-family: var(--tr-font);
}
.tr-fact-val {
    font-size: .78rem;
    color: var(--tr-text);
    font-weight: 600;
    font-family: var(--tr-font);
    line-height: 1.4;
    margin-top: 1px;
}

/* Related tools */
.tr-related-list { padding: 10px 12px; }
.tr-rt-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 8px;
    border-radius: 8px;
    text-decoration: none;
    transition: background .18s;
    margin-bottom: 2px;
}
.tr-rt-item:hover { background: var(--tr-bg); }
.tr-rt-icon { font-size: 1.3rem; flex-shrink: 0; }
.tr-rt-info { flex: 1; min-width: 0; }
.tr-rt-name { font-size: .78rem; font-weight: 700; color: var(--tr-text); font-family: var(--tr-font); }
.tr-rt-desc { font-size: .68rem; color: var(--tr-muted); font-family: var(--tr-font); margin-top: 1px; }
.tr-rt-arr { color: var(--tr-border-d); font-size: .85rem; transition: all .2s; }
.tr-rt-item:hover .tr-rt-arr { color: var(--tr-green); transform: translateX(3px); }

/* Related blogs/trees */
.tr-rb-item {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    text-decoration: none;
    border-bottom: 1px solid var(--tr-border);
    transition: background .18s;
    align-items: flex-start;
}
.tr-rb-item:last-child { border-bottom: none; }
.tr-rb-item:hover { background: var(--tr-bg); }
.tr-rb-img {
    width: 56px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
    background: var(--tr-bg);
}
.tr-rb-info { flex: 1; min-width: 0; }
.tr-rb-title { font-size: .78rem; font-weight: 700; color: var(--tr-text); line-height: 1.35; font-family: var(--tr-font); }
.tr-rb-date { font-size: .67rem; color: var(--tr-muted); margin-top: 3px; font-family: var(--tr-font); }

/* CTA card */
.tr-sb-cta {
    background: linear-gradient(135deg, #14532d, #16a34a) !important;
    border-color: transparent !important;
    padding: 22px;
    text-align: center;
}
.tr-sb-cta-title { font-size: .9rem; font-weight: 800; color: #fff; margin-bottom: 5px; font-family: var(--tr-font); }
.tr-sb-cta-sub { font-size: .74rem; color: rgba(255,255,255,.8); margin-bottom: 14px; font-family: var(--tr-font); }
.tr-sb-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    background: #fff;
    color: #14532d;
    border-radius: var(--tr-radius);
    font-size: .78rem;
    font-weight: 800;
    text-decoration: none;
    font-family: var(--tr-font);
    transition: all .2s;
}
.tr-sb-cta-btn:hover { background: #f0fdf4; transform: translateY(-1px); }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .tr-inner { grid-template-columns: 1fr 300px; }
    .tr-quick-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
    /* Hero: stack on mobile */
    .tr-hero { grid-template-columns: 1fr; max-height: none; }
    .tr-hero-img-wrap { height: 260px; max-height: 260px; }
    .tr-hero-img-ph { min-height: 260px; font-size: 5rem; }
    .tr-hero-content { padding: 28px 20px; }
    .tr-hero-h1 { font-size: 1.6rem; }
    /* Layout: stack */
    .tr-inner { grid-template-columns: 1fr; }
    .tr-sidebar { position: static; }
    .tr-parts-grid { grid-template-columns: 1fr; }
    .tr-quick-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .tr-hero-content { padding: 22px 16px; gap: 10px; }
    .tr-hero-h1 { font-size: 1.35rem; }
    .tr-art-body { padding: 16px; }
    .tr-art-tags { padding: 14px 16px 0; }
    .tr-art-intro-hi { margin: 10px 16px 0; }
    .tr-quick-grid { grid-template-columns: 1fr; }
    .tr-hero-pills { gap: 6px; }
    .tr-pill { font-size: .66rem; padding: 4px 10px; }
}