* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f7f4;
  color: #1f2d1f;
}

.page,
.landing-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.hero-card,
.auth-card,
.dashboard-card {
  width: 100%;
  max-width: 900px;
  background: white;
  border-radius: 22px;
  padding: 34px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

.auth-card {
  max-width: 450px;
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 30px;
}

.logo-mark {
  width: 48px;
  height: 48px;
  background: #75d36b;
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: bold;
  font-size: 24px;
}

h1, h2, h3 {
  margin-top: 0;
}

p {
  line-height: 1.5;
  color: #526052;
}

.button-row {
  display: flex;
  gap: 14px;
  margin: 25px 0;
  flex-wrap: wrap;
}

.primary-btn,
.secondary-btn,
button {
  border: none;
  border-radius: 12px;
  padding: 13px 20px;
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.primary-btn,
button {
  background: #2f7d32;
  color: white;
}

.secondary-btn {
  background: #e7f4e4;
  color: #2f7d32;
}

form {
  display: grid;
  gap: 12px;
  margin-top: 25px;
}

input {
  padding: 13px;
  border-radius: 10px;
  border: 1px solid #cfd8cf;
  font-size: 16px;
}

.feature-grid,
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 25px;
}

.feature-card,
.tile {
  background: #f8fbf7;
  border: 1px solid #e2ece0;
  border-radius: 16px;
  padding: 20px;
}

.footer-note {
  margin-top: 25px;
  font-size: 14px;
  font-weight: bold;
  color: #3f563f;
}

#message {
  margin-top: 15px;
  font-weight: bold;
}