body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: white;
}

/* HEADER */
header {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #0f172a, #1e293b);
}

header h1 {
  font-size: 42px;
}

header p {
  color: #94a3b8;
  margin: 10px 0;
}

.btn {
  background: #38bdf8;
  padding: 12px 20px;
  border-radius: 8px;
  color: black;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  margin-top: 15px;
}

/* SECTIONS */
section {
  padding: 60px 20px;
  max-width: 1000px;
  margin: auto;
}

h2 {
  margin-bottom: 20px;
  border-bottom: 2px solid #38bdf8;
  display: inline-block;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* CARD */
.card {
  background: #1e293b;
  padding: 20px;
  border-radius: 12px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

/* IMAGEM */
.card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
}

/* LINK */
.card a {
  display: inline-block;
  margin-top: 10px;
  color: #38bdf8;
  text-decoration: none;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  color: #94a3b8;
}