:root{
  --verde:#0e7a3d; --verde-escuro:#0a5c2e; --azul:#0b4ea2; --fundo:#f4f8f5;
  --texto:#1c2b21; --muted:#5b6d60; --linha:#dce8de; --card:#ffffff;
  --radius:14px; --font:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);background:var(--fundo);color:var(--texto);line-height:1.6}
a{color:var(--azul)}
.container{width:min(1100px,92%);margin:0 auto}
.topo{background:linear-gradient(120deg,var(--verde-escuro),var(--verde));color:#fff;position:sticky;top:0;z-index:10;box-shadow:0 2px 14px rgba(0,0,0,.18)}
.topo-in{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 0;flex-wrap:wrap}
.logo{font-size:1.5rem;font-weight:800;color:#fff;text-decoration:none;letter-spacing:-.02em}
.menu{display:flex;gap:1.1rem;flex-wrap:wrap}
.menu a{color:#eafff1;text-decoration:none;font-weight:600;font-size:.95rem}
.menu a:hover{text-decoration:underline}
.hero{background:linear-gradient(160deg,#eafaf0,#ffffff);border-bottom:1px solid var(--linha);padding:2.6rem 0 2.2rem;text-align:center}
.hero h1{font-size:2.15rem;margin:0 0 .6rem;letter-spacing:-.02em}
.hero h1 span{color:var(--verde)}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 1.4rem}
.busca{display:flex;gap:.5rem;max-width:560px;margin:0 auto}
.busca input{flex:1;padding:.85rem 1rem;border:2px solid var(--linha);border-radius:12px;font-size:1rem;min-width:0}
.busca button,.btn{background:linear-gradient(120deg,var(--verde),var(--verde-escuro));color:#fff;border:0;border-radius:12px;padding:.85rem 1.4rem;font-weight:800;cursor:pointer;text-decoration:none;display:inline-block}
.busca button:hover,.btn:hover{filter:brightness(1.07)}
.busca-msg{margin-top:1rem;color:var(--muted)}
.bloco{padding:2rem 0 .5rem}
.bloco h2{font-size:1.45rem;margin:0 0 1.1rem}
.cards{display:grid;gap:1rem}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--linha);border-radius:var(--radius);padding:1.15rem;text-decoration:none;color:var(--texto);display:block;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(10,92,46,.10)}
.card strong{display:block;font-size:1.06rem;margin:.35rem 0;color:var(--texto)}
.card span{color:var(--muted);font-size:.92rem}
.card small{display:block;margin-top:.6rem;color:var(--verde);font-weight:700;font-size:.8rem}
.card-ico{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:linear-gradient(140deg,var(--verde),var(--verde-escuro));color:#fff;font-weight:800;font-size:1rem;letter-spacing:.03em}
.tag .card-ico{width:auto;height:auto;padding:.05rem .35rem;border-radius:7px;font-size:.72rem;vertical-align:middle}
.card.calc{border-color:#bfe6cf;background:linear-gradient(160deg,#f2fbf5,#ffffff)}
.tag{display:inline-block;background:#e8f6ec;color:var(--verde-escuro);border:1px solid #cdeeda;border-radius:999px;padding:.18rem .6rem;font-size:.75rem;font-weight:800}
.tag a{color:inherit;text-decoration:none}
.artigo-pagina{max-width:780px;padding-top:2rem}
.artigo-pagina h1{font-size:2rem;line-height:1.25;margin:.7rem 0 .4rem}
.artigo-pagina h2{margin-top:1.8rem;font-size:1.3rem}
.meta{color:var(--muted);font-size:.9rem}
.lead{font-size:1.12rem;color:#33473a}
.artigo-pagina p,.artigo-pagina li{font-size:1.03rem}
.fonte{background:#eef6ff;border:1px solid #cfe4ff;border-radius:12px;padding:.9rem 1rem;font-size:.92rem}
.cta-calc{background:#eafaf0;border:1px solid #bfe6cf;border-radius:12px;padding:1.1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin:1.4rem 0}
.texto{max-width:780px}
.vazio{color:var(--muted)}
.calc-form{display:grid;gap:1rem;max-width:520px;background:var(--card);border:1px solid var(--linha);border-radius:var(--radius);padding:1.3rem}
.calc-form label{font-weight:700;display:grid;gap:.35rem}
.calc-form input,.calc-form textarea{padding:.75rem .9rem;border:1px solid var(--linha);border-radius:10px;font:inherit;background:#fff}
.calc-result{max-width:520px;margin-top:1.2rem;background:var(--card);border:2px solid #bfe6cf;border-radius:var(--radius);padding:1.2rem}
.calc-result .linha{display:flex;justify-content:space-between;gap:1rem;padding:.45rem 0;border-bottom:1px dashed var(--linha)}
.calc-result .linha.total{border-bottom:0;font-size:1.08rem;color:var(--verde-escuro)}
.nota,.erro,.ok{font-size:.92rem;border-radius:10px;padding:.8rem 1rem}
.nota{background:#fff8e6;border:1px solid #f2dfa7}
.erro{background:#fdecec;border:1px solid #f5bcbc}
.ok{background:#eafaf0;border:1px solid #bfe6cf}
.rodape{background:#0d2015;color:#cfe6d6;margin-top:3rem;padding:2.2rem 0 1.4rem}
.rodape .logo{color:#fff}
.rodape-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:1.5rem}
.rodape-grid strong{display:block;margin-bottom:.6rem;color:#fff}
.rodape-grid a{display:block;color:#b9d6c2;text-decoration:none;margin:.3rem 0;font-size:.93rem}
.rodape-grid a:hover{text-decoration:underline}
.aviso{font-size:.85rem;color:#9fbfaa;border-top:1px solid rgba(255,255,255,.15);margin-top:1.6rem;padding-top:1.1rem}
.copy{font-size:.85rem;color:#8fae99}
@media(max-width:900px){.cards-4,.cards-3{grid-template-columns:1fr 1fr}.rodape-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:1.7rem}}
@media(max-width:560px){.cards-4,.cards-3{grid-template-columns:1fr}.busca{flex-direction:column}.artigo-pagina h1{font-size:1.55rem}}

/* Acessibilidade e navegação */
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--verde-escuro);padding:.7rem 1rem;border-radius:0 0 10px 0;z-index:100;font-weight:800}
.skip:focus{left:0}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:.8rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:0}
.breadcrumb li+li::before{content:"›";margin-right:.4rem;color:#9ab3a3}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline;color:var(--verde-escuro)}

/* Autoria, data e leitura */
.byline{display:flex;flex-wrap:wrap;gap:.35rem 1rem;font-size:.88rem;color:var(--muted);margin:.4rem 0 1rem;padding-bottom:.9rem;border-bottom:1px solid var(--linha)}
.byline-autor strong{color:var(--texto)}
.toc{background:#fff;border:1px solid var(--linha);border-left:5px solid var(--verde);border-radius:12px;padding:1rem 1.2rem;margin:1.4rem 0;font-size:.95rem}
.toc strong{display:block;margin-bottom:.4rem;color:var(--verde-escuro)}
.toc ol{margin:0;padding-left:1.2rem}
.toc li{margin:.2rem 0}
.toc a{color:var(--texto);text-decoration:none}
.toc a:hover{color:var(--verde-escuro);text-decoration:underline}

/* Fontes e autoria */
.fontes{background:#f7fbf8;border:1px solid var(--linha);border-radius:12px;padding:1.1rem 1.3rem;margin:1.8rem 0;font-size:.95rem}
.fontes h2{font-size:1.1rem;margin:0 0 .6rem}
.fontes ul{margin:.3rem 0 .6rem;padding-left:1.2rem}
.fontes p{margin:0;color:var(--muted);font-size:.88rem}
.autor-box{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--linha);border-radius:14px;padding:1.1rem 1.2rem;margin:1.6rem 0}
.autor-box p{margin:.35rem 0 0;font-size:.9rem;color:var(--muted)}
.autor-avatar{flex:0 0 52px;width:52px;height:52px;border-radius:50%;background:linear-gradient(140deg,var(--verde),var(--verde-escuro));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;letter-spacing:.03em}

/* Home, categorias e confiança */
.trust .card{border-style:dashed}
.categoria-intro{margin:1rem 0 1.6rem}
.topicos{color:var(--muted);font-size:.92rem}
.categoria-fonte{margin-top:1.6rem}
.rodape-mini{font-size:.85rem;color:#9fbfaa;margin-top:.5rem}
.rodape-mini a{display:inline;color:#b9d6c2;margin:0}
.artigo-pagina h3,.texto h3{font-size:1.1rem;margin:1.4rem 0 .3rem}
.texto h2{margin-top:1.9rem}
.texto ul{padding-left:1.2rem}
.texto li{margin:.25rem 0}
@media(max-width:560px){.autor-box{flex-direction:column}}