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

body {
  font-family: Arial, sans-serif;
  background: #f5f7fa;
  color: #4c4e61;
  padding: 40px 20px;
}

.header {
  text-align: center;
  max-width: 500px;
  margin: 0 auto 60px;
}

.header h1 {
  font-size: 2rem;
  font-weight: 600;
}

.header h1 span {
  font-weight: 300;
  color: #a3a5ae;
}

.header p {
  margin-top: 15px;
  font-size: 0.95rem;
  color: #a3a5ae;
}

.cards {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: center;
}

.center {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.card {
  width: 320px;
  min-height: 250px;
  padding: 28px;
  padding-bottom: 80px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  position: relative;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.card p {
  font-size: 0.9rem;
  color: #a3a5ae;
  line-height: 1.5;
}

.icon {
  position: absolute;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: auto;
}

.card img {
  position: absolute;
  bottom: 25px;
  right: 25px;
  width: 40px;
}

.supervisor {
  border-top: 4px solid #45d3d3;
}

.team {
  border-top: 4px solid #ea5454;
}

.karma {
  border-top: 4px solid #fcae4a;
}

.calculator {
  border-top: 4px solid #549ef2;
}

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

  .card {
    width: 100%;
    max-width: 320px;
  }
}