:root{
  --primary-color:#005A9C;
  --secondary-color:#F7F9FC;
  --text-color:#333;
  --header-color:#FFFFFF;
  --accent-color:#FFC107;
  --module-color-1:#E38D33;
  --module-color-2:#006970;
  --module-color-3:#004059;
}

/* Reset básico */
*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}
html{scroll-behavior:smooth}
body{line-height:1.6;color:var(--text-color);background-color:var(--secondary-color)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
section{padding:80px 0}
.section-title{text-align:center;font-size:2.5rem;margin-bottom:50px;color:var(--primary-color)}

/* Cabeçalho / Nav */
header{background:var(--header-color);padding:1rem 0;box-shadow:0 2px 4px rgba(0,0,0,0.1);position:sticky;top:0;z-index:1000}
header .container{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.5rem;font-weight:bold;color:var(--primary-color);text-decoration:none}
.main-nav ul{list-style:none;display:flex;gap:20px}
.main-nav a{text-decoration:none;color:var(--text-color);font-weight:500;transition:color .3s ease}
.main-nav a:hover{color:var(--primary-color)}

/* Hero */
#hero{
  background:linear-gradient(rgba(0,90,156,.8),rgba(0,90,156,.8)),
    url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?ixlib=rb-4.0.3&auto=format=fit=crop&w=1170&q=80') center/cover no-repeat;
  color:#fff;text-align:center;min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:100px 20px
}
#hero h1{font-size:3rem;margin-bottom:20px}
#hero p{font-size:1.2rem;max-width:600px;margin-bottom:30px}
.cta-button{background-color:var(--accent-color);color:var(--text-color);padding:15px 30px;text-decoration:none;border-radius:5px;font-weight:bold;transition:transform .3s ease,background-color .3s ease}
.cta-button:hover{transform:translateY(-3px);background-color:#ffca2c}

/* Estatísticas */
#education-stats{background-color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;text-align:center}
.stat-card{background:var(--secondary-color);padding:25px;border-radius:8px;box-shadow:0 4px 10px rgba(0,0,0,0.05)}
.stat-card .stat-number{font-size:2.5rem;font-weight:bold;color:var(--primary-color);margin-bottom:10px}
.stat-card .stat-description{font-size:1rem;color:#555}

/* Sobre */
#about{background-color:var(--secondary-color)}
.about-text{text-align:center;max-width:800px;margin:0 auto}

/* Módulos */
#modules{background-color:#fff}
.modules-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:0;border-radius:10px;overflow:hidden;box-shadow:0 10px 20px rgba(0,0,0,.1)}
.module-card{padding:40px;color:#fff;flex:1;min-width:280px}
.module-card .icon{font-size:3.5rem;margin-bottom:20px}
.module-card h3{font-family:'Georgia',serif;font-size:2rem;margin-bottom:20px;text-transform:uppercase}
.module-card p{font-size:1rem;line-height:1.7}
.module-card.secretaria{background-color:var(--module-color-1)}
.module-card.professores{background-color:var(--module-color-2)}
.module-card.alunos{background-color:var(--module-color-3)}

/* Funcionalidades */
#features{background-color:var(--secondary-color)}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;text-align:center}
.feature-link{text-decoration:none;color:inherit;display:flex}
.feature-card{background:var(--header-color);padding:30px;border-radius:8px;border:1px solid #e0e0e0;transition:transform .3s ease,box-shadow .3s ease;width:100%}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 6px 15px rgba(0,0,0,.1)}
.feature-card .icon{font-size:3rem;color:var(--primary-color);margin-bottom:15px}
.feature-card h3{font-size:1.5rem;margin-bottom:10px}

/* CTA + rodapé */
#cta{background-color:var(--primary-color);color:#fff;text-align:center;padding:100px 20px}
#cta h2{font-size:2.8rem;margin-bottom:20px}
#cta p{font-size:1.2rem;margin-bottom:40px}
.large-cta-button{background-color:var(--accent-color);color:var(--text-color);padding:20px 40px;font-size:1.2rem;border-radius:50px}
.large-cta-button:hover{background-color:#fff;color:var(--primary-color)}
footer{background-color:#222;color:#fff;text-align:center;padding:30px 0}

/* Responsividade */
@media (max-width:768px){
  #hero h1{font-size:2.5rem}
  header .container{flex-direction:column;gap:15px}
  .modules-grid,.features-grid{grid-template-columns:1fr}
}