/* MundoPlantas — Rediseño profesional 2026. Identidad verde, layout editorial con TOC + ficha técnica lateral. */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Nunito+Sans:wght@400;500;600;700&display=swap');

:root{
  --green:#2e6b3e;--green-d:#1f3d29;--green-l:#5bb377;--leaf:#eaf4e6;
  --ink:#1b2b1f;--muted:#5a7a60;--soft:#8aa08d;--line:#dcebd6;
  --bg:#f1f7ee;--card:#ffffff;--ad:#fbfdf9;
  --r:18px;--shadow:0 6px 22px rgba(46,107,62,.10);--shadow-h:0 12px 30px rgba(46,107,62,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Nunito Sans',system-ui,-apple-system,sans-serif;margin:0;color:var(--ink);background:var(--bg);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,.brand{font-family:'Fraunces',Georgia,serif;font-weight:700;line-height:1.2;letter-spacing:-.01em}

/* --- Header + nav --- */
header{background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line);padding:12px 20px;position:sticky;top:0;z-index:30}
header a.brand{color:var(--green);text-decoration:none;font-weight:700;font-size:1.25rem;display:inline-flex;align-items:center;gap:8px}
.mnav{background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;display:flex;gap:6px;flex-wrap:nowrap;font-size:.9rem;align-items:center;overflow-x:auto;position:sticky;top:58px;z-index:25;scrollbar-width:none}
.mnav::-webkit-scrollbar{display:none}
.mnav a{color:var(--muted);text-decoration:none;font-weight:600;white-space:nowrap;padding:6px 12px;border-radius:999px;transition:background .18s ease,color .18s ease;display:inline-flex;align-items:center;gap:6px}
.mnav a:hover,.mnav a:focus-visible{color:var(--green);background:var(--leaf)}
.mnav a svg{width:16px;height:16px;flex:0 0 auto}

/* --- Layout shells --- */
.wrap{max-width:1180px;margin:0 auto;padding:24px 22px 8px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.main{min-width:0}
.aside{position:sticky;top:120px;display:flex;flex-direction:column;gap:18px}
.prose{max-width:none}
.simple{max-width:780px;margin:0 auto}

/* --- Breadcrumb --- */
.bc{font-size:.85rem;color:var(--soft);margin:2px 0 14px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.bc a{color:var(--muted);text-decoration:none}
.bc a:hover{color:var(--green);text-decoration:underline}
.bc .sep{color:var(--line)}

/* --- Hero ficha --- */
.phero{display:grid;grid-template-columns:1.05fr .95fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);margin:0 0 26px}
.phero .ph-txt{padding:34px 34px;display:flex;flex-direction:column;justify-content:center}
.phero .eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green-l);margin:0 0 8px}
.phero h1{margin:0 0 8px;font-size:2.35rem;color:var(--green-d)}
.phero .sci{font-style:italic;color:var(--muted);font-size:1.02rem;margin:0 0 14px}
.phero .lead{color:var(--ink);margin:0;font-size:1.02rem}
.phero figure{margin:0;position:relative;min-height:280px}
.phero img{width:100%;height:100%;object-fit:cover;display:block}
.phero figcaption{position:absolute;bottom:0;left:0;right:0;font-size:.7rem;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.55));padding:18px 12px 8px;margin:0}

/* Simple banner hero (home / list / guides without sci-name) */
.hero{background:linear-gradient(135deg,#27512f,#5bb377);color:#fff;border-radius:26px;padding:40px 34px;margin:0 0 24px;box-shadow:var(--shadow)}
.hero h1{margin:.05em 0 .25em;font-size:2.4rem;color:#fff}
.hero p{margin:.3em 0 1.1em;opacity:.97;font-size:1.06rem;max-width:62ch}
.hero .btn{background:#fff;color:var(--green)}

/* --- TOC sidebar --- */
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 20px}
.toc h2,.fichat h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--green);margin:0 0 12px;font-family:'Nunito Sans',sans-serif;font-weight:700}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{margin:0}
.toc a{display:block;padding:7px 10px;border-radius:10px;color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:600;border-left:2px solid transparent;transition:background .16s ease,color .16s ease,border-color .16s ease}
.toc a:hover,.toc a:focus-visible{background:var(--leaf);color:var(--green)}
.toc a.active{color:var(--green);border-left-color:var(--green-l);background:var(--leaf)}

/* --- Ficha técnica (datos clave) --- */
.fichat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 20px}
.fichat ul{list-style:none;margin:0;padding:0}
.fichat li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--leaf)}
.fichat li:last-child{border-bottom:0}
.fichat .ic{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--leaf);color:var(--green);display:grid;place-items:center;margin-top:1px}
.fichat .ic svg{width:18px;height:18px}
.fichat .k{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--soft);margin:0}
.fichat .v{font-size:.94rem;font-weight:600;color:var(--ink);margin:1px 0 0}

/* --- Content cards / prose --- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 28px;margin:0 0 20px;box-shadow:var(--shadow)}
.main>h2,.prose>h2{scroll-margin-top:130px}
.card h2,.prose h2{font-size:1.5rem;margin:0 0 .5em;color:var(--green-d);scroll-margin-top:130px}
.card h2:not(:first-child){margin-top:1.1em}
.card h3,.prose h3{font-size:1.16rem;margin:1.3em 0 .35em;color:var(--green)}
.card p,.prose p{margin:.7em 0}
.card ul,.card ol,.prose ul{margin:.6em 0 1em;padding-left:1.25em}
.card li{margin:.35em 0}
a{color:var(--green)}
.card a,.prose a{color:var(--green);font-weight:600;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;transition:text-decoration-color .16s ease}
.card a:hover,.prose a:hover{text-decoration-color:var(--green-l)}
strong{color:var(--green-d)}

/* --- Callout / aviso --- */
.callout{display:flex;gap:14px;background:#fff8ec;border:1px solid #f3e2bf;border-left:4px solid #e0a93c;border-radius:14px;padding:16px 18px;margin:18px 0}
.callout.tox{background:#fdeeee;border-color:#f0caca;border-left-color:#d65a5a}
.callout.tip{background:#eef7ec;border-color:#cfe6c7;border-left-color:var(--green-l)}
.callout .ci{flex:0 0 auto;color:#b8801f}
.callout.tox .ci{color:#c44}
.callout.tip .ci{color:var(--green)}
.callout p{margin:.2em 0}

/* --- Tables --- */
.card table,.prose table,table.t{width:100%;border-collapse:separate;border-spacing:0;margin:14px 0;font-size:.95rem;border:1px solid var(--line);border-radius:14px;overflow:hidden}
table th,table td,table.t th,table.t td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--leaf)}
table th,table.t th{background:var(--leaf);color:var(--green-d);font-family:'Nunito Sans',sans-serif;font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
table tr:last-child td{border-bottom:0}
table tbody tr:hover{background:#f7fbf5}

/* --- FAQ accordion --- */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:0 0 10px;padding:0;overflow:hidden;box-shadow:0 2px 8px rgba(46,107,62,.05)}
.faq summary{font-weight:700;cursor:pointer;list-style:none;padding:16px 48px 16px 18px;position:relative;color:var(--green-d);font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:18px;top:50%;width:11px;height:11px;border-right:2px solid var(--green);border-bottom:2px solid var(--green);transform:translateY(-65%) rotate(45deg);transition:transform .22s ease}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details>p{margin:0;padding:0 18px 16px;color:var(--muted)}
.faq summary:focus-visible{outline:2px solid var(--green-l);outline-offset:-2px}

/* --- Cards grid (species tiles) --- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.tile:hover,.tile:focus-visible{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.tile img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.tile b{display:block;padding:13px 15px;font-family:'Fraunces',serif;font-weight:600;font-size:1.02rem;color:var(--green-d)}

/* --- Category cards (icon + desc) --- */
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:6px 0 4px}
.cats a{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;text-decoration:none;color:var(--ink);font-family:'Fraunces',serif;font-weight:600;font-size:1.08rem;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;gap:8px}
.cats a:hover,.cats a:focus-visible{transform:translateY(-3px);border-color:var(--green-l);box-shadow:var(--shadow-h)}
.cats a span{font-family:'Nunito Sans',sans-serif;font-size:.88rem;color:var(--muted);font-weight:400}
.cats .ci{width:44px;height:44px;border-radius:12px;background:var(--leaf);color:var(--green);display:grid;place-items:center}
.cats .ci svg{width:24px;height:24px}

/* --- Section headings (outside cards) --- */
.sect-h{font-size:1.7rem;color:var(--green-d);margin:34px 0 16px}
.main .sect-h,.prose .sect-h{scroll-margin-top:130px}

/* --- Buttons --- */
a.btn,.btn{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#fff;text-decoration:none;padding:13px 22px;border-radius:999px;font-weight:700;font-family:'Nunito Sans',sans-serif;font-size:.98rem;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease;box-shadow:0 4px 14px rgba(46,107,62,.22)}
a.btn:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(46,107,62,.30)}
a.btn.alt,.btn.alt{background:#fff;color:var(--green);border:1.5px solid var(--green);box-shadow:none}
a.btn.alt:hover{background:var(--leaf)}
a.btn svg{width:18px;height:18px}

/* --- Ads --- */
.ad{margin:22px 0;text-align:center;min-height:90px;background:var(--ad);border:1px dashed var(--line);border-radius:14px;padding:8px;display:flex;align-items:center;justify-content:center}
.ad ins{width:100%}

/* --- Video --- */
.vid{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:16px;margin:12px 0}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:16px}

figure{margin:0 0 14px}
figcaption{font-size:.74rem;color:var(--soft);margin:5px 0 0}
img{max-width:100%}

/* --- Footer --- */
footer{background:var(--green-d);color:#bcd3c2;text-align:center;font-size:.88rem;padding:34px 20px;margin-top:40px}
footer a{color:#d6e8da;text-decoration:none}
footer a:hover{text-decoration:underline}
.fnav{margin:0 0 6px}

/* --- Focus visibility --- */
a:focus-visible,summary:focus-visible,.btn:focus-visible{outline:3px solid var(--green-l);outline-offset:2px;border-radius:6px}

/* --- Responsive --- */
@media(max-width:1024px){
  .layout{grid-template-columns:1fr;gap:0}
  .aside{position:static;flex-direction:column;margin:0 0 22px}
  .toc{display:none}
  .phero{grid-template-columns:1fr}
  .phero figure{min-height:240px;order:-1}
}
@media(max-width:768px){
  body{font-size:16px}
  .wrap{padding:18px 16px 6px}
  .phero h1,.hero h1{font-size:1.95rem}
  .card{padding:20px 18px}
  .cats{grid-template-columns:1fr}
}
@media(max-width:480px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
  .phero h1,.hero h1{font-size:1.7rem}
  .card h2,.prose h2{font-size:1.3rem}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
  .tile:hover,.cats a:hover,.btn:hover{transform:none}
}