/* ===== VARIÁVEIS GLOBAIS ===== */
:root {
  --cor-principal: #00796b;
  --cor-secundaria: #4db6ac;
  --cor-texto: #0b3f0e
  --cor-fundo: #ffffff;
  --cor-borda: #e0e0e0#ddd;
  --fonte-principal: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --transicao: all 0.3s ease;
}

/* ===== RESET E ESTILOS GLOBAIS ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--fonte-principal);
  color: var(--cor-texto);
  line-height: 1.6;
  background-color: var(--cor-fundo);
}

/* ===== HEADER E NAVEGAÇÃO ===== */
header {
  background-color: var(--cor-principal);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.8rem;
  font-weight: bold;
  text-decoration: none;
  color: white;
  transition: var(--transicao);
}

.logo:hover {
  opacity: 0.9;
  transform: scale(1.05);
}

.logo-img {
  height: 46px;
  width: 46px;
  padding: 2px;
  background-color: white;
  border-radius: 50%;
  object-fit: contain;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  transition: var(--transicao);
}

.nav-links a:hover {
  color: var(--cor-secundaria);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--cor-principal), #34495e);
  color: white;
  padding: 5rem 0;
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background-color: var(--cor-secundaria);
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: var(--transicao);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background-color: #c0392b;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== SEÇÕES ===== */
section {
  padding: 4rem 0;
}

section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--cor-principal);
}

/* ===== CARDS ===== */
.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: var(--transicao);
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.card img {
  width: 80px;
  height: 80px;
  margin-bottom: 1rem;
}

.card h3 {
  color: var(--cor-principal);
  margin-bottom: 1rem;
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--cor-principal);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
}

footer p {
  margin: 0.5rem 0;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  section h2 {
    font-size: 1.8rem;
  }

  .cards-container {
    grid-template-columns: 1fr;
  }
}