* {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  background: #0f172a;
  color: #fff;
}

.hero {
  padding: 60px 20px;
  text-align: center;
  background: linear-gradient(135deg, #2563eb, #1e40af);
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Botões sociais */
.social-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  color: #fff;
  font-weight: bold;
  transition: transform 0.2s, opacity 0.2s;
}

.btn:hover {
  transform: translateY(-4px);
  opacity: 0.9;
}

.whatsapp {
  background: #25D366;
}

.discord {
  background: #5865F2;
}

.instagram {
  background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF);
}

.twitch {
  background: #9146FF;
}

/* Cursos */
.courses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  padding: 50px 20px;
  max-width: 1200px;
  margin: auto;
}

.card {
  background: #020617;
  padding: 25px;
  border-radius: 16px;
  text-decoration: none;
  color: white;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card h2 {
  margin-top: 0;
  color: #38bdf8;
}

.card p {
  opacity: 0.85;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

footer {
  text-align: center;
  padding: 20px;
  background: #020617;
  opacity: 0.8;
}