body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#f5f5f5;
  color:#222;
}

nav{
  background:#111827;
  color:white;
  display:flex;
  justify-content:space-between;
  padding:20px 8%;
  align-items:center;
}

.logo{
  font-size:2rem;
  font-weight:bold;
}

nav ul{
  list-style:none;
  display:flex;
  gap:20px;
}

nav a{
  color:white;
  text-decoration:none;
}

.hero{
  position:relative;
  height:90vh;
  background:url('https://images.unsplash.com/photo-1524492412937-b28074a5d7da?q=80&w=1400') center/cover;
}

.overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.6);
}

.hero-content{
  position:relative;
  z-index:2;
  color:white;
  text-align:center;
  top:25%;
  padding:20px;
}

.hero-content h1{
  font-size:4rem;
}

.btn{
  display:inline-block;
  margin-top:20px;
  background:#ea580c;
  color:white;
  padding:14px 30px;
  border-radius:30px;
  text-decoration:none;
}

.section{
  padding:80px 10%;
  text-align:center;
}

.cards,
.agenda-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:25px;
  margin-top:40px;
}

.card,
.agenda-card{
  background:white;
  padding:30px;
  border-radius:18px;
  box-shadow:0 10px 25px rgba(0,0,0,0.08);
}

.page-header{
  background:#ea580c;
  color:white;
  padding:80px 20px;
  text-align:center;
}

form{
  max-width:600px;
  margin:auto;
  display:flex;
  flex-direction:column;
  gap:18px;
}

input,
textarea{
  padding:15px;
  border-radius:10px;
  border:none;
}

button{
  padding:15px;
  border:none;
  background:#111827;
  color:white;
  border-radius:10px;
}

footer{
  background:#111827;
  color:white;
  text-align:center;
  padding:25px;
}

.leader{
  max-width:800px;
  margin:auto;
}

@media(max-width:768px){
  nav{
    flex-direction:column;
  }

  nav ul{
    margin-top:15px;
    flex-wrap:wrap;
    justify-content:center;
  }

  .hero-content h1{
    font-size:2.5rem;
  }
}