* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f5ff;
  color: #202044;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8%;
  background: white;
}

.logo {
  font-size: 26px;
  font-weight: bold;
  color: #6655e8;
}

header span {
  color: #77738e;
  font-size: 14px;
}

main {
  max-width: 1000px;
  margin: 55px auto;
  padding: 20px;
}

.hero {
  background: linear-gradient(135deg, #e9e5ff, #ffffff);
  padding: 45px;
  border-radius: 24px;
  margin-bottom: 30px;
}

.hero h1 {
  font-size: 42px;
  margin: 12px 0;
}

.hero p {
  color: #66627c;
  line-height: 1.7;
  max-width: 550px;
}

.tag {
  color: #6655e8;
  font-weight: bold;
  font-size: 12px;
  letter-spacing: 1px;
}

button {
  background: #6655e8;
  color: white;
  border: none;
  padding: 13px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
}

button:hover {
  background: #5140ce;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 30px;
}

.card {
  background: white;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 5px 20px #24205a0a;
}

.card p {
  color: #77738e;
  font-size: 14px;
}

.card h2 {
  margin-bottom: 0;
  font-size: 30px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

#reminderForm {
  margin-bottom: 22px;
}

#reminderForm[hidden] {
  display: none;
}

#reminderForm label {
  display: block;
  margin: 16px 0 8px;
  font-weight: bold;
  font-size: 14px;
}

#reminderForm input,
#reminderForm select {
  display: block;
  width: 100%;
  padding: 12px;
  border: 1px solid #dcd9ed;
  border-radius: 9px;
  font-size: 15px;
  background: white;
  color: #202044;
}

#reminderForm input:focus,
#reminderForm select:focus {
  outline: 2px solid #aaa0ff;
  border-color: #6655e8;
}

#reminderList .card h3 {
  overflow-wrap: anywhere;
}

footer {
  font-size: 13px;
}

@media (max-width: 650px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 25px;
  }

  .hero h1 {
    font-size: 32px;
  }

  main {
    margin: 20px auto;
  }

  header {
    padding: 20px;
    gap: 12px;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
  }
}