* { box-sizing:border-box; margin:0; padding:0; font-family:Arial, sans-serif; }

body { color:#333; }

.container {
  max-width:1100px;
  margin:auto;
  padding:40px 20px;
}

.header {
  background:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

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

.logo { height:50px; }

nav a {
  margin-left:20px;
  text-decoration:none;
  color:#333;
  font-weight:600;
}

.btn {
  background:#0078ff;
  color:#fff;
  padding:10px 18px;
  border-radius:5px;
  text-decoration:none;
}

.btn-large {
  padding:14px 28px;
  font-size:18px;
}

.hero {
  height:90vh;
  background:url('../img/hero.jpg') center/cover no-repeat;
  position:relative;
}

.hero-overlay {
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.5);
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
}

.hero h1 { font-size:48px; margin-bottom:15px; }

.section { padding:80px 0; }

.bg-light { background:#f5f7fa; }

.cards {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
  margin-top:40px;
}

.card {
  background:#fff;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

.card img {
  width:100%;
  height:200px;
  object-fit:cover;
}

.card h3 { padding:15px; }
.card p { padding:0 15px 20px; }

.cta {
  background:#0078ff;
  color:#fff;
  text-align:center;
  padding:60px 20px;
}

.footer {
  text-align:center;
  padding:20px;
  background:#111;
  color:#fff;
}