/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #fff;
  padding: 40px 20px;
}

.container {
  max-width: 90%;
  margin: auto;
}

/* Header */
.hero {
  text-align: center;
  margin-bottom: 50px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1rem;
  color: #555;
}

/* Cards Grid */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card {
  min-height: 180px;
  border: 2px solid #222;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: #fff;
}

/* Tablet */
@media (max-width: 991px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 2rem;
  }
}

/* Mobile */
@media (max-width: 576px) {
  body {
    padding: 20px 15px;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero {
    margin-bottom: 35px;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

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

  .card {
    min-height: 160px;
  }
}