:root{--verde:#2e7d32;--verde2:#1b5e20;--crema:#fffaf1;--tinta:#263238;--suave:#e8f3e4}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--crema);color:var(--tinta);line-height:1.6}
header{background:linear-gradient(135deg,var(--verde2),var(--verde));color:#fff;padding:14px 16px;position:sticky;top:0;z-index:10}
header .wrap{max-width:1100px;margin:auto;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.marca{font-weight:800;font-size:1.15rem;color:#fff;text-decoration:none}
.marca small{display:block;font-weight:500;font-size:.78rem;opacity:.9}
nav a{color:#fff;text-decoration:none;margin:0 6px;font-size:.92rem;opacity:.95}
nav a:hover{text-decoration:underline}
.langs{display:inline-flex;flex-wrap:wrap;gap:4px;margin-left:8px;vertical-align:middle}
.lang{background:#fff;color:var(--verde2);border-radius:20px;padding:3px 10px;font-weight:700;font-size:.85rem;margin:0}
.lang.activo{background:var(--verde2);color:#fff;box-shadow:inset 0 0 0 2px #fff}
.hero{max-width:1100px;margin:0 auto;padding:28px 16px 6px;text-align:center}
.hero h1{color:var(--verde2);font-size:1.7rem;margin:.2em 0}
.hero p{max-width:640px;margin:0 auto;color:#455a4f}
.buscador{max-width:1100px;margin:14px auto;padding:0 16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.buscador input{flex:1;min-width:220px;max-width:520px;padding:12px 16px;border:2px solid var(--verde);border-radius:30px;font-size:1rem;background:#fff}
.chip{border:2px solid var(--verde);background:#fff;color:var(--verde2);border-radius:20px;padding:8px 14px;cursor:pointer;font-weight:600}
.chip.activo{background:var(--verde);color:#fff}
main{max-width:1100px;margin:auto;padding:10px 16px 40px}
h2.seccion{color:var(--verde2);border-bottom:3px solid var(--suave);padding-bottom:6px;margin-top:32px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 2px 8px rgba(27,94,32,.10);display:flex;flex-direction:column}
.card img{width:100%;height:150px;object-fit:cover}
.card .cuerpo{padding:12px 14px}
.card h3{margin:.1em 0;font-size:1.02rem}.card h3 a{color:var(--verde2);text-decoration:none}
.card p{font-size:.88rem;color:#546e5a;margin:.3em 0 0}
.etiqueta{display:inline-block;background:var(--suave);color:var(--verde2);border-radius:12px;padding:1px 10px;font-size:.75rem;font-weight:700}
.articulo{background:#fff;border-radius:14px;padding:22px;box-shadow:0 2px 8px rgba(27,94,32,.08)}
.articulo h1{color:var(--verde2);font-size:1.55rem;line-height:1.3}
.articulo img.portada{width:100%;max-height:420px;object-fit:cover;border-radius:12px}
.articulo h2{color:var(--verde2);margin-top:1.2em}
.video{position:relative;padding-top:56.25%;margin:18px 0;border-radius:12px;overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.btn-video{display:inline-block;background:#c62828;color:#fff;padding:10px 18px;border-radius:24px;text-decoration:none;font-weight:700}
.btn-yt{display:inline-block;background:#d32f2f;color:#fff;padding:7px 16px;border-radius:24px;font-weight:700;font-size:.9rem}
.relacionados{margin-top:28px}
footer{background:var(--verde2);color:#dff0dc;padding:24px 16px;text-align:center;font-size:.9rem}
footer a{color:#fff}
.sin-resultados{text-align:center;color:#789;padding:20px;display:none}
@media(max-width:600px){.hero h1{font-size:1.35rem}.articulo{padding:16px}}