:root {
  --verde-escuro: #1F3D2E;
  --verde-medio: #3D6B4A;
  --verde-claro: #E8F0E6;
  --terracota: #C4622D;
  --terracota-claro: #F2E0D3;
  --alerta: #B0322C;
  --areia: #FAF7F2;
  --texto-principal: #212B24;
  --texto-secundario: #5C6B60;
  --branco: #FFFFFF;
  --borda: #E2E4DE;
  --sombra: 0 2px 12px rgba(31, 61, 46, 0.08);
  --sombra-hover: 0 8px 24px rgba(31, 61, 46, 0.14);
  --raio: 14px;
  
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body { font-family: 'Inter', sans-serif; background: var(--areia); color: var(--texto-principal); line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3, .brand { font-family: 'Fraunces', serif; font-weight: 600; color: var(--verde-escuro); letter-spacing: -0.01em; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* HEADER */
header { background: var(--branco); border-bottom: 1px solid var(--borda); position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 1rem 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.brand { font-size: 1.5rem; display: flex; align-items: center; gap: 0.5rem; }
.brand-logo {
  height: 44px;
  width: auto;
}
nav { display: flex; gap: 2rem; font-weight: 500; font-size: 0.95rem; }
nav a { color: var(--texto-secundario); transition: color 0.2s; padding: 0.25rem 0; border-bottom: 2px solid transparent; }
nav a:hover, nav a.active { color: var(--verde-escuro); border-bottom-color: var(--terracota); }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--verde-escuro); cursor: pointer; }

/* BREADCRUMB */
.breadcrumb { max-width: 1200px; margin: 1.5rem auto 0; padding: 0 1.5rem; font-size: 0.8rem; color: var(--texto-secundario); }
.breadcrumb a { color: var(--verde-medio); }

/* HERO */
.hero { background: linear-gradient(135deg, var(--verde-escuro), var(--verde-medio)); color: var(--branco); padding: 4.5rem 1.5rem; text-align: center; }
.hero h1 { color: var(--branco); font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 1rem; }
.hero p { color: rgba(255,255,255,0.85); max-width: 580px; margin: 0 auto 2rem; font-size: 1.05rem; }
.search-bar { max-width: 520px; margin: 0 auto; display: flex; background: var(--branco); border-radius: 50px; padding: 0.35rem; box-shadow: var(--sombra-hover); }
.search-bar input { flex: 1; border: none; outline: none; padding: 0.75rem 1.25rem; font-family: 'Inter', sans-serif; font-size: 0.95rem; background: transparent; }
.search-bar button { background: var(--terracota); color: var(--branco); border: none; border-radius: 50px; padding: 0.75rem 1.5rem; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.search-bar button:hover { background: #A8501F; }

/* SECTION */
section { max-width: 1200px; margin: 0 auto; padding: 3.5rem 1.5rem; }
.section-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2rem; flex-wrap: wrap; gap: 0.5rem; }
.section-header h2 { font-size: 1.75rem; }
.section-header a { color: var(--terracota); font-weight: 600; font-size: 0.9rem; }
.section-header p.subtitle { color: var(--texto-secundario); font-size: 0.9rem; margin-top: 0.3rem; }

/* CATEGORY ICON GRID */
.categories-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.category-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: 50px;
  padding: 0.55rem 1rem 0.55rem 0.7rem;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sombra);
  border-color: var(--verde-medio);
}
.category-icon {
  font-size: 1.15rem;
  line-height: 1;
}
.category-card h3 {
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: var(--texto-principal);
  margin: 0;
}
.category-card span {
  font-size: 0.72rem;
  color: var(--texto-secundario);
}

/* CARD GRID */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }
.card { background: var(--branco); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); transition: transform 0.25s, box-shadow 0.25s; border: 1px solid var(--borda); }
.card:hover { transform: translateY(-4px); box-shadow: var(--sombra-hover); }
.card-img { aspect-ratio: 1200 / 630; background: var(--verde-claro); position: relative; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.badge { position: absolute; top: 0.7rem; right: 0.7rem; color: var(--branco); font-size: 0.68rem; font-weight: 700; padding: 0.28rem 0.65rem; border-radius: 50px; text-transform: uppercase; letter-spacing: 0.03em; }
.badge.grave { background: var(--alerta); }
.badge.moderado { background: var(--terracota); }
.badge.leve { background: #C9A227; }
.badge.inofensivo { background: var(--verde-medio); }
.card-body { padding: 1rem 1.1rem 1.3rem; }
.card-body .cientifico { font-size: 0.75rem; color: var(--texto-secundario); font-style: italic; margin-bottom: 0.2rem; }
.card-body h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.card-body p { font-size: 0.85rem; color: var(--texto-secundario); display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* CURIOSITY STRIP */
.curiosity-strip { background: var(--terracota-claro); border-radius: var(--raio); padding: 2rem; display: grid; grid-template-columns: 1fr 1.4fr; gap: 2rem; align-items: center; }
.curiosity-strip .tag-curioso { display: inline-block; background: var(--terracota); color: var(--branco); font-size: 0.72rem; font-weight: 700; padding: 0.3rem 0.7rem; border-radius: 50px; text-transform: uppercase; margin-bottom: 0.8rem; }
.curiosity-strip h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
.curiosity-strip p { font-size: 0.9rem; color: var(--texto-principal); }


/* AD SLOTS */
.ad-slot { background: var(--branco); border: 1px dashed var(--borda); border-radius: var(--raio); display: flex; align-items: center; justify-content: center; color: var(--texto-secundario); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.ad-slot::before { content: "Publicidade"; opacity: 0.5; }
.ad-inline { min-height: 120px; margin: 1.5rem 0; }
.ad-sidebar { min-height: 250px; margin-bottom: 1.5rem; }
.ad-sidebar-sticky { position: sticky; top: 90px; }
.ad-card { min-height: 220px; }

/* FILTERS (categoria.html) */
.listing-layout { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem 3rem; display: grid; grid-template-columns: 240px 1fr; gap: 2rem; }
.filters { position: sticky; top: 90px; align-self: start; }
.filter-group { background: var(--branco); border: 1px solid var(--borda); border-radius: var(--raio); padding: 1.25rem; margin-bottom: 1rem; }
.filter-group h3 { font-size: 0.9rem; margin-bottom: 0.9rem; font-family: 'Inter', sans-serif; font-weight: 600; color: var(--texto-principal); }
.filter-option { display: flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0; font-size: 0.88rem; color: var(--texto-secundario); cursor: pointer; }
.filter-option input { accent-color: var(--verde-medio); width: 16px; height: 16px; }
.risk-filter { display: flex; flex-direction: column; gap: 0.5rem; }
.risk-option { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem 0.6rem; border-radius: 8px; font-size: 0.85rem; font-weight: 500; cursor: pointer; border: 1px solid var(--borda); }
.risk-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.risk-dot.grave { background: var(--alerta); }
.risk-dot.moderado { background: var(--terracota); }
.risk-dot.inofensivo { background: var(--verde-medio); }
.clear-filters { display: block; text-align: center; font-size: 0.82rem; color: var(--terracota); font-weight: 600; padding: 0.5rem; cursor: pointer; }
.listing-main { min-width: 0; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.active-filters { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-chip { display: flex; align-items: center; gap: 0.4rem; background: var(--verde-claro); color: var(--verde-escuro); font-size: 0.8rem; font-weight: 600; padding: 0.35rem 0.7rem; border-radius: 50px; }
.filter-chip .x { cursor: pointer; opacity: 0.6; }
.sort-select { font-family: 'Inter', sans-serif; font-size: 0.85rem; padding: 0.5rem 0.9rem; border-radius: 8px; border: 1px solid var(--borda); background: var(--branco); color: var(--texto-principal); }
.category-count { display: inline-block; margin-top: 0.75rem; background: var(--verde-claro); color: var(--verde-escuro); font-size: 0.8rem; font-weight: 600; padding: 0.3rem 0.8rem; border-radius: 50px; }
.category-hero { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
.category-hero h1 { font-size: 2.2rem; margin-bottom: 0.5rem; }
.category-hero p { color: var(--texto-secundario); max-width: 640px; font-size: 0.95rem; }
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1rem; }
.page-btn { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid var(--borda); background: var(--branco); font-size: 0.85rem; font-weight: 500; color: var(--texto-secundario); cursor: pointer; }
.page-btn.active { background: var(--verde-escuro); color: var(--branco); border-color: var(--verde-escuro); }

/* SPECIES PAGE (especie.html) */
.article-layout { max-width: 1200px; margin: 0 auto; padding: 1.5rem; display: grid; grid-template-columns: 2.4fr 1fr; gap: 2.5rem; }
main { min-width: 0; }
.species-hero { background: var(--branco); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); margin-bottom: 1.5rem; }
.species-img { aspect-ratio: 1200 / 630; background: var(--verde-claro); position: relative; }
.species-img img { width: 100%; height: 100%; object-fit: cover; }
.risk-badge { position: absolute; top: 1rem; right: 1rem; color: var(--branco); font-size: 0.75rem; font-weight: 700; padding: 0.4rem 0.9rem; border-radius: 50px; text-transform: uppercase; letter-spacing: 0.03em; }
.risk-badge.grave { background: var(--alerta); }
.risk-badge.moderado { background: var(--terracota); }
.risk-badge.leve { background: #C9A227; }
.risk-dot.leve { background: #C9A227; }
.risk-badge.inofensivo { background: var(--verde-medio); }
.species-header { padding: 1.5rem 1.75rem; }
.cientifico-nome { font-style: italic; color: var(--texto-secundario); font-size: 0.95rem; margin-bottom: 0.3rem; }
.species-header h1 { font-size: 2rem; margin-bottom: 0.75rem; }
.quick-tags { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.species-nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  background: var(--branco);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  position: sticky;
  top: 90px;
  z-index: 50;
}
.species-nav a {
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--texto-secundario);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  transition: background 0.2s, color 0.2s;
}
.species-nav a:hover {
  background: var(--verde-claro);
  color: var(--verde-escuro);
}
.tag { background: var(--verde-claro); color: var(--verde-escuro); font-size: 0.78rem; font-weight: 600; padding: 0.35rem 0.8rem; border-radius: 50px; }
.quick-facts { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--verde-escuro); border-radius: var(--raio); margin-bottom: 2rem; overflow: hidden; }
.fact { padding: 1.1rem 0.75rem; text-align: center; border-right: 1px solid rgba(255,255,255,0.12); }
.fact:last-child { border-right: none; }
.fact-label { font-size: 0.7rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.3rem; }
.fact-value { font-size: 0.95rem; color: var(--branco); font-weight: 600; }
.eco-facts { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--verde-claro); border-radius: var(--raio); margin-bottom: 2rem; overflow: hidden; }
.eco-facts .fact { padding: 1.1rem 0.75rem; text-align: center; border-right: 1px solid var(--borda); }
.eco-facts .fact:last-child { border-right: none; }
.eco-facts .fact-label { font-size: 0.7rem; color: var(--texto-secundario); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.3rem; }
.eco-facts .fact-value { font-size: 0.95rem; color: var(--verde-escuro); font-weight: 600; }
.content-block { background: var(--branco); border-radius: var(--raio); box-shadow: var(--sombra); padding: 1.75rem; margin-bottom: 1.5rem; scroll-margin-top: 154px;}
.content-block h2 { font-size: 1.4rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.content-block p { color: var(--texto-principal); margin-bottom: 0.9rem; font-size: 0.96rem; }
.content-block p:last-child { margin-bottom: 0; }
.alert-box { background: #FCEEEA; border-left: 4px solid var(--alerta); border-radius: 8px; padding: 1.1rem 1.3rem; margin: 1.5rem 0 0; font-size: 0.92rem; }
.alert-box strong { color: var(--alerta); }
.curiosidade-box { background: var(--terracota-claro); border-left: 4px solid var(--terracota); border-radius: 8px; padding: 1.1rem 1.3rem; margin-top: 1rem; font-size: 0.92rem; }
.curiosidade-box strong { color: var(--terracota); }
aside { min-width: 0; }
.sidebar-block { background: var(--branco); border-radius: var(--raio); box-shadow: var(--sombra); padding: 1.5rem; margin-bottom: 1.5rem; }
.sidebar-block h3 { font-size: 1rem; margin-bottom: 1rem; }
.relacionada { display: flex; gap: 0.75rem; align-items: center; padding: 0.6rem 0; border-bottom: 1px solid var(--borda); }
.relacionada:last-child { border-bottom: none; }
.relacionada-img { width: 48px; height: 48px; border-radius: 8px; background: var(--verde-claro); flex-shrink: 0; }
.relacionada-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.relacionada-info { font-size: 0.85rem; }
.relacionada-info .nome { font-weight: 600; color: var(--verde-escuro); }
.relacionada-info .cient { font-size: 0.75rem; color: var(--texto-secundario); font-style: italic; }

/* REFERÊNCIAS (confusão comum / cadeia alimentar) */
.lista-referencias { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.lista-referencias li { padding: 0.6rem 0; border-bottom: 1px solid var(--borda); }
.lista-referencias li:last-child { border-bottom: none; }
.lista-referencias a { color: var(--terracota); font-weight: 600; }
.lista-referencias a:hover { color: #A8501F; }
.lista-referencias .motivo { display: block; margin-top: 0.3rem; color: var(--texto-secundario); font-size: 0.9rem; line-height: 1.5; }

/* FOOTER */
footer { background: var(--verde-escuro); color: rgba(255,255,255,0.75); padding: 3rem 1.5rem 1.5rem; margin-top: 1rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.15); }
.footer-inner h4 { color: var(--branco); font-family: 'Inter', sans-serif; font-size: 0.9rem; margin-bottom: 1rem; }
.footer-inner a { display: block; font-size: 0.85rem; padding: 0.3rem 0; color: rgba(255,255,255,0.7); }
.footer-bottom { text-align: center; font-size: 0.8rem; padding-top: 1.5rem; color: rgba(255,255,255,0.5); }

/* EMPTY STATE (busca sem resultado) */
.empty-state { text-align: center; padding: 3rem 1.5rem; color: var(--texto-secundario); }

@media (max-width: 900px) {
  .listing-layout, .article-layout { grid-template-columns: 1fr; }
  .filters { position: static; }
  .curiosity-strip { grid-template-columns: 1fr; }
  .quick-facts, .eco-facts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  nav { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  section { padding: 2.5rem 1.25rem; }
}
/* EM CONSTRUÇÃO */
.em-construcao-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}
.em-construcao-conteudo {
  text-align: center;
  max-width: 480px;
}
.em-construcao-icone {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}
.em-construcao-page h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--texto-principal);
}
.em-construcao-texto {
  color: var(--texto-secundario);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}
.btn-primario {
  display: inline-block;
  background: var(--texto-principal);
  color: var(--branco);
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.link-voltar {
  display: block;
  font-size: 0.85rem;
  color: var(--texto-secundario);
}

.nav-hub-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--verde-claro);
  color: var(--verde-escuro);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  border-bottom: none;
}
nav a.nav-hub-link:hover {
  background: var(--terracota-claro);
  color: var(--terracota);
  border-bottom-color: transparent;
}