/* Variáveis baseadas nas cores da logo Muzisom */
:root {
  --primary-blue: #151A3B; /* Azul marinho escuro do texto */
  --accent-green: #4CAF50; /* Verde vibrante da clave de sol */
  --light-bg: #F4F6F9;
  --text-dark: #333333;
  --text-light: #FFFFFF;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--text-dark);
  background-color: var(--light-bg);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Navegação */
.navbar {
  background-color: var(--primary-blue);
  padding: 1rem 0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.logo {
  height: 60px; /* Ajuste conforme a proporção real da imagem */
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover, .nav-links a:focus {
  color: var(--accent-green);
}

.btn-login {
  background-color: transparent;
  border: 2px solid var(--accent-green);
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

.btn-login:hover {
  background-color: var(--accent-green);
  color: var(--primary-blue) !important;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-blue), #2a3365);
  color: var(--text-light);
  text-align: center;
  padding: 80px 0;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.btn-primary {
  display: inline-block;
  margin-top: 1.5rem;
  background-color: var(--accent-green);
  color: var(--text-light);
  padding: 10px 24px;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
}

/* Planos */
.plans-section {
  padding: 60px 0;
}

.plans-section h2 {
  text-align: center;
  color: var(--primary-blue);
  margin-bottom: 40px;
  font-size: 2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.plan-card {
  background-color: var(--text-light);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  border-top: 5px solid var(--primary-blue);
}

.plan-card.premium {
  border-top: 5px solid var(--accent-green);
  transform: translateY(-5px); /* Destaque sutil */
}

.plan-card h3 {
  color: var(--primary-blue);
  font-size: 1.5rem;
}

.price {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--accent-green);
  margin: 10px 0;
}

.plan-features {
  list-style: none;
  margin-top: 20px;
}

.plan-features li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.plan-features li::before {
  content: '✓';
  color: var(--accent-green);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Footer */
.site-footer {
  background-color: var(--primary-blue);
  color: var(--text-light);
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

/* Responsividade Básica */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 15px;
  }
  .nav-links {
    flex-direction: column;
    width: 100%;
    text-align: center;
  }
  .hero h1 {
    font-size: 2rem;
  }
}