@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --verde: #1a7a5e;
  --verde-claro: #2aa37e;
  --verde-suave: #e8f5f0;
  --verde-medio: #c2e8d8;
  --creme: #faf8f4;
  --branco: #ffffff;
  --cinza-claro: #f4f2ee;
  --cinza-medio: #e8e5df;
  --cinza-texto: #6b6860;
  --cinza-borda: #d8d5cf;
  --preto-suave: #1c1c1a;
  --laranja: #e8723a;
  --azul: #3a7ee8;
  --roxo: #7e3ae8;
  --rosa: #e83a8a;
  --shadow: 0 2px 16px rgba(26,122,94,0.08);
  --shadow-md: 0 4px 32px rgba(26,122,94,0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--creme);
  color: var(--preto-suave);
  line-height: 1.6;
  font-size: 16px;
}

/* ===== NAVBAR ===== */
nav {
  background: var(--branco);
  border-bottom: 1px solid var(--cinza-medio);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--verde);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span { color: var(--preto-suave); }

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--cinza-texto);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-links a:hover, .nav-links a.ativo {
  background: var(--verde-suave);
  color: var(--verde);
}

.nav-cta {
  font-size: 14px;
  font-weight: 500;
  background: var(--verde);
  color: var(--branco) !important;
  padding: 8px 18px !important;
  border-radius: 8px !important;
}

.nav-cta:hover { background: var(--verde-claro) !important; color: var(--branco) !important; }

.nav-hamburguer {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-hamburguer span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--preto-suave);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--verde) 0%, #0f5442 100%);
  color: var(--branco);
  padding: 80px 24px 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::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='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%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/g%3E%3C/svg%3E");
}

.hero-inner { max-width: 700px; margin: 0 auto; position: relative; }

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  opacity: 0.88;
  max-width: 540px;
  margin: 0 auto 36px;
  font-weight: 300;
}

.hero-badges {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--branco);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

/* ===== CONTAINER ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ===== SEÇÃO ===== */
section { padding: 64px 24px; }
section.alt { background: var(--branco); }

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--verde-claro);
  margin-bottom: 10px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  color: var(--preto-suave);
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--cinza-texto);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ===== GRID DE CALCULADORAS ===== */
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.calc-card {
  background: var(--branco);
  border: 1px solid var(--cinza-medio);
  border-radius: var(--radius);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.calc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cor-card, var(--verde));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.calc-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.calc-card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: var(--bg-icon, var(--verde-suave));
}

.calc-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--preto-suave);
}

.calc-card p {
  font-size: 14px;
  color: var(--cinza-texto);
  line-height: 1.5;
  flex: 1;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--cor-card, var(--verde));
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-link::after { content: '→'; transition: transform var(--transition); }
.calc-card:hover .card-link::after { transform: translateX(4px); }

/* ===== CALCULADORA INTERNA ===== */
.calc-hero {
  background: linear-gradient(135deg, var(--verde) 0%, #0f5442 100%);
  color: var(--branco);
  padding: 56px 24px 48px;
}

.calc-hero-inner { max-width: 760px; margin: 0 auto; }

.breadcrumb {
  font-size: 13px;
  opacity: 0.75;
  margin-bottom: 16px;
}

.breadcrumb a { color: inherit; text-decoration: none; opacity: 0.8; }
.breadcrumb a:hover { opacity: 1; }

.calc-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 12px;
}

.calc-hero p { font-size: 16px; opacity: 0.85; font-weight: 300; }

/* ===== CARD CALCULADORA ===== */
.calc-wrapper {
  max-width: 760px;
  margin: -32px auto 48px;
  padding: 0 24px;
}

.calc-box {
  background: var(--branco);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 40px;
  border: 1px solid var(--cinza-medio);
}

/* ===== FORMULÁRIO ===== */
.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--preto-suave);
  margin-bottom: 8px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--cinza-borda);
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  color: var(--preto-suave);
  background: var(--creme);
  transition: border-color var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--verde);
  background: var(--branco);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.radio-btn {
  flex: 1;
  min-width: 100px;
}

.radio-btn input { display: none; }

.radio-btn label {
  display: block;
  text-align: center;
  padding: 12px 16px;
  border: 1.5px solid var(--cinza-borda);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  background: var(--creme);
}

.radio-btn input:checked + label {
  border-color: var(--verde);
  background: var(--verde-suave);
  color: var(--verde);
}

.radio-btn label:hover { border-color: var(--verde-claro); }

/* ===== BOTÃO ===== */
.btn {
  width: 100%;
  padding: 16px;
  background: var(--verde);
  color: var(--branco);
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
}

.btn:hover { background: var(--verde-claro); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,122,94,0.25); }
.btn:active { transform: translateY(0); }

/* ===== RESULTADO ===== */
.resultado {
  margin-top: 32px;
  padding: 28px;
  background: var(--verde-suave);
  border-radius: var(--radius-sm);
  border: 1px solid var(--verde-medio);
  display: none;
}

.resultado.visivel { display: block; animation: fadeIn 0.4s ease; }

@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

.resultado-titulo {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--verde);
  margin-bottom: 8px;
}

.resultado-valor {
  font-family: 'Playfair Display', serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--verde);
  line-height: 1;
  margin-bottom: 8px;
}

.resultado-detalhe { font-size: 15px; color: var(--cinza-texto); }

.resultado-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.resultado-item {
  background: var(--branco);
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid var(--verde-medio);
}

.resultado-item .label { font-size: 12px; color: var(--cinza-texto); margin-bottom: 4px; font-weight: 500; }
.resultado-item .valor { font-family: 'Playfair Display', serif; font-size: 22px; font-weight: 600; color: var(--preto-suave); }
.resultado-item .sub { font-size: 12px; color: var(--cinza-texto); margin-top: 2px; }

/* ===== BANNER ADS ===== */
.ad-banner {
  background: var(--cinza-claro);
  border: 1px dashed var(--cinza-borda);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cinza-texto);
  font-size: 12px;
  text-align: center;
  padding: 12px;
}

.ad-banner-horizontal { width: 100%; height: 90px; margin: 32px 0; }
.ad-banner-quadrado { width: 300px; height: 250px; }

/* ===== ARTIGO/INFO ===== */
.info-section {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.info-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 600;
  margin: 40px 0 16px;
  color: var(--preto-suave);
}

.info-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--preto-suave);
}

.info-section p { font-size: 15px; color: var(--cinza-texto); margin-bottom: 16px; line-height: 1.75; }

.info-section ul {
  margin: 0 0 16px 20px;
  color: var(--cinza-texto);
  font-size: 15px;
  line-height: 1.75;
}

.tabela-referencia {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 32px;
  font-size: 14px;
}

.tabela-referencia th {
  background: var(--verde-suave);
  color: var(--verde);
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--verde-medio);
}

.tabela-referencia td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--cinza-medio);
  color: var(--cinza-texto);
}

.tabela-referencia tr:last-child td { border-bottom: none; }
.tabela-referencia tr:nth-child(even) td { background: var(--creme); }

/* ===== FAQ ===== */
.faq-lista { list-style: none; }
.faq-item { border-bottom: 1px solid var(--cinza-medio); }
.faq-pergunta {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--preto-suave);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-pergunta::after { content: '+'; font-size: 22px; color: var(--verde); transition: transform var(--transition); }
.faq-item.aberto .faq-pergunta::after { transform: rotate(45deg); }
.faq-resposta { font-size: 15px; color: var(--cinza-texto); line-height: 1.75; padding: 0 0 20px; display: none; }
.faq-item.aberto .faq-resposta { display: block; }

/* ===== OUTRAS CALCULADORAS ===== */
.outras-calc {
  background: var(--cinza-claro);
  padding: 48px 24px;
}

.outras-calc-inner { max-width: 1100px; margin: 0 auto; }
.outras-calc h2 {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--preto-suave);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.mini-card {
  background: var(--branco);
  border: 1px solid var(--cinza-medio);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition);
}

.mini-card:hover { border-color: var(--verde); box-shadow: var(--shadow); }
.mini-card .icon { font-size: 24px; }
.mini-card .nome { font-size: 14px; font-weight: 600; color: var(--preto-suave); }
.mini-card .desc { font-size: 12px; color: var(--cinza-texto); margin-top: 2px; }

/* ===== FOOTER ===== */
footer {
  background: var(--preto-suave);
  color: rgba(255,255,255,0.7);
  padding: 48px 24px 24px;
}

.footer-inner { max-width: 1100px; margin: 0 auto; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--branco);
  text-decoration: none;
  display: block;
  margin-bottom: 12px;
}

.footer-desc { font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--branco); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); text-decoration: none; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--verde-claro); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 13px; flex-wrap: wrap; gap: 8px; }
.footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
.footer-bottom a:hover { color: var(--verde-claro); }

/* ===== PÁGINAS INSTITUCIONAIS ===== */
.page-hero {
  background: linear-gradient(135deg, var(--verde) 0%, #0f5442 100%);
  color: var(--branco);
  padding: 56px 24px 48px;
  text-align: center;
}

.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-hero p { font-size: 16px; opacity: 0.8; }

.page-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px;
}

.page-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  margin: 36px 0 14px;
  color: var(--preto-suave);
}

.page-content p, .page-content li {
  font-size: 15px;
  color: var(--cinza-texto);
  line-height: 1.8;
  margin-bottom: 14px;
}

.page-content ul { margin: 0 0 16px 22px; }

/* Formulário contato */
.contato-form { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.contato-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--cinza-borda);
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--preto-suave);
  background: var(--creme);
  resize: vertical;
  min-height: 140px;
}
.contato-form textarea:focus { outline: none; border-color: var(--verde); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburguer { display: flex; }
  .nav-links.aberto { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--branco); border-bottom: 1px solid var(--cinza-medio); padding: 16px 24px; gap: 4px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .calc-box { padding: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}