/* ===============================
   SISTEMA DE DESIGN - ONG ESPERANÇA VIVA
==================================*/

/* 🎨 Paleta de Cores */
:root {
  --cor-primaria: #1e88e5;
  --cor-secundaria: #43a047;
  --cor-neutra-clara: #f5f5f5;
  --cor-neutra: #e0e0e0;
  --cor-texto: #333;
  --cor-branca: #fff;
  --cor-escura: #222;
}

/* Tipografia e espaçamento */
body {
  font-family: "Inter", Arial, sans-serif;
  background-color: var(--cor-neutra-clara);
  color: var(--cor-texto);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  background-color: var(--cor-primaria);
  color: var(--cor-branca);
  padding: 16px 0;
}

header img {
  width: 160px;
  display: block;
  margin: 0 auto;
}

nav ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

nav ul li {
  display: inline-block;
  margin: 0 20px;
}

nav ul li a {
  color: var(--cor-branca);
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

nav ul li a:hover {
  color: var(--cor-neutra-clara);
  text-decoration: underline;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #1e88e5, #43a047);
  color: var(--cor-branca);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.2rem;
}

.btn {
  display: inline-block;
  background-color: var(--cor-branca);
  color: var(--cor-primaria);
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.btn:hover {
  background-color: var(--cor-neutra);
}

/* Sessões principais */
section {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
  background-color: var(--cor-branca);
  margin-top: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

section h2 {
  color: var(--cor-primaria);
  margin-bottom: 16px;
}

/* Rodapé */
footer {
  text-align: center;
  padding: 20px;
  background-color: var(--cor-escura);
  color: var(--cor-branca);
  margin-top: 40px;
}

footer a {
  color: var(--cor-secundaria);
  margin: 0 8px;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsividade */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  nav ul li {
    display: block;
    margin: 8px 0;
  }
}