/* --- General Layout Improvements --- */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  background: #f9fafb;
  color: #1f2937;
}

/* Reduce padding in header */
header {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  padding: 0.6rem 2rem; /* smaller header */
  position: sticky;
  top: 0;
}

/* Nav link spacing */
nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #0ea5e9;
  font-weight: 500;
}
nav a:hover {
  text-decoration: underline;
}

/* Tighter container padding */
.container {
  max-width: 800px;
  margin: 4rem auto; /* more balanced vertical spacing */
  padding: 1rem;
  text-align: left;
}

/* Slightly smaller headline */
h1 {
  font-size: 2rem;
  color: #111827;
  margin-bottom: 0.75rem;
}

/* Paragraph spacing */
p {
  line-height: 1.6;
  font-size: 1rem;
  margin-bottom: 1rem;
}

/* Card, Button, Footer */
.card {
  background: white;
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
  display: block;           /* stacked vertically */
  padding: 8px 16px;        /* smaller padding */
  border-radius: 6px;
  border: none;
  background: #0ea5e9;
  color: white;
  text-decoration: none;
  text-align: center;
  width: fit-content;
  margin-bottom: 10px;      /* space between buttons */
  transition: background 0.2s ease;
}

.btn:hover {
  background: #0284c7;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: #6b7280;
  margin-top: 3rem;
}

/* --- Optional: vertically center main content on home page --- */
main.container {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}